CN106931600A - A kind of method for determining building air-conditioning pump energy saving operating scheme - Google Patents
A kind of method for determining building air-conditioning pump energy saving operating scheme Download PDFInfo
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 124
- 238000000034 method Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 101
- 238000005057 refrigeration Methods 0.000 claims abstract description 80
- 238000013461 design Methods 0.000 claims abstract description 10
- 238000005265 energy consumption Methods 0.000 claims description 31
- 238000012546 transfer Methods 0.000 claims description 24
- 238000004364 calculation method Methods 0.000 claims description 11
- 238000004134 energy conservation Methods 0.000 claims description 8
- 238000005286 illumination Methods 0.000 claims description 4
- 238000004458 analytical method Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 241000196324 Embryophyta Species 0.000 description 5
- 238000004590 computer program Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 2
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 2
- 238000000205 computational method Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/85—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using variable-flow pumps
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- Chemical & Material Sciences (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mathematical Physics (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides a kind of method for determining building air-conditioning pump energy saving operating scheme, comprise the following steps：Air-conditioning whole year load is calculated, feature and residing geographical position according to building determine that computation model and boundary condition obtain the relevant parameter of computation model, annual air-conditioning refrigeration duty is calculated in computation model；Determine that refrigeration host computer equipment is in the duration of operation at part load, the annual air-conditioning cold load Analysis according to computation model determine that refrigeration host computer equipment is in the duration of operation at part load；Determine water pump of air conditioner operating scheme, according to refrigeration host computer equipment operation at part load hourage, determine fractional energy savings in air-conditioning system it is maximum newly establish water pump of air conditioner operating scheme.The present invention proposes a kind of method for newly establishing water pump of air conditioner operating scheme, is easy to as the different building types of different cities select different water pump of air conditioner equipment and air-conditioning system and operational mode are improved so that its is energy-saving, and design of air conditioning is more reasonable.
Description
Technical field
It is more particularly to a kind of for determining building air-conditioning water pump section the present invention relates to computer aided calculation technical field
The method of energy operating scheme.
Background technology
Water system conveying energy consumption is one of mostly important part of air-conditioning system comprehensive energy consumption, for fan unit piping
More than the 20% of the system basic duty adjusting system comprehensive energy consumption of water system conveying energy consumption.Water system conveying energy consumption is reduced for air-conditioning system
System energy-conservation just seems relatively important.
It is for reducing the conventional way of water system conveying energy consumption at present, for two stage pump variable flow system, can be to two grades
Pump uses VFC, and for primary pump and one-level pump variable flow system, because water pump and refrigeration host computer are corresponded, in order to
Ensure the water-carrying capacity of refrigeration host computer, VFC is not often used, if VFC, water pump and refrigeration host computer must be used
Be required to set frequency converter, do so one side input cost compare it is larger, in addition refrigeration host computer allow changes in flow rate
It is relatively limited, and the refrigeration host computer of various brands differs.
Cannot ensure that water pump of air conditioner most energy-conservation, particularly primary pump and primary pump in whole year operation become by current method
Flow system.
The content of the invention
The present invention is directed to above-mentioned defect of the prior art, it is proposed that following technical scheme.
The present invention provides a kind of method for determining building air-conditioning pump energy saving operating scheme, and it includes following step
Suddenly：
S1, calculating air-conditioning whole year load, it specifically includes following steps：
S11, longitude and latitude according to where building, determine the meteorologic parameter of building region；
S12, room general layout parameter and floor information parameter are determined according to the general layout and floor information of building；
S13, determine building enclosure parameter：The building enclosure parameter includes Shape Coefficient, window-wall ratio, the heat transfer system of aspect
Number, the heat transfer system of the heat transfer coefficient of exterior wall, the heat transfer coefficient of floor, the heat transfer coefficient of interior wall, the heat transfer coefficient of exterior window, external door
The heat transfer coefficient of number, the heat transfer coefficient of inside door and interior window；
S14, the room parameter for determining building：The room parameter includes building type, indoor design temperature, relative
Humidity, density of personnel, illumination density, plant capacity density and resh air requirement；
The total refrigeration duty Q of S15, air-conditioning system when determining any iI is cold,QI is cold=f (A+B+C), wherein A represents building
Feature and B represent residing geographical position, and C represents boundary condition；
S2, determine that refrigeration host computer equipment is in the duration of operation at part load, air-conditioning system during according to any i it is total cold
Load QI is coldDetermine that refrigeration host computer equipment is in the duration of operation at part load；
S21, the annual air-conditioning maximum cold load value Q of determinationThe cold max of i；
S22, determination need to open the annual air-conditioning part refrigeration duty Q of refrigeration host computerI is coldDuration；
S23, determination need the annual air-conditioning part refrigeration duty Q at each moment for opening refrigeration host computerI is coldWith maximum cold load value
QThe cold max of iRatio 0~10%, 10%~20%, 20%~30%, 30%~40%, 40%~50%, 50%~60%,
The corresponding annual air-conditioning part refrigeration duty of 60%~70%, 70%~80%, 80%~90%, 90%~100% each ratio section
QI is coldDuration and each ratio section annual air-conditioning part refrigeration duty QI is coldDuration shared by annual air-conditioning using the ratio of duration, obtain
Obtain the annual air-conditioning refrigeration duty statistical form at each moment.
S3, determine water pump of air conditioner operating scheme, according to refrigeration host computer equipment operation at part load hourage, it is determined that empty
What fractional energy savings was maximum in adjusting system newly establishes water pump of air conditioner operating scheme,
Determine that the water pump of air conditioner progress control method step of newly establishing of air-conditioning system most energy-conservation is specifically included in S3：
S31, the annual air-conditioning refrigeration duty statistical form according to each moment, determine various to newly establish water pump of air conditioner operating scheme；
S32, various water pump of air conditioner operating schemes of newly establishing are verified, determine fractional energy savings it is maximum newly establish air conditioner water
Pump operation scheme.
Preferably, the annual air-conditioning refrigeration duty statistical form at each moment includes the annual air-conditioning part refrigeration duty at each moment
QI is coldWith maximum cold load value QThe cold max of iRatio, the annual air-conditioning part refrigeration duty Q of each ratio sectionI is coldDuration and each ratio section
Annual air-conditioning part refrigeration duty QI is coldDuration shared by annual air-conditioning using duration ratio.
Preferably, water pump of air conditioner operating scheme is newly established to be specially：
Newly-increased water pump and raw water pump parallel running, and switched over by the motor-driven valve being arranged on pipeline, when detecting
System water supply flow when being less than certain setting value, operation water pump is switched to by raw water pump and newly establishes water pump, be when what is detected
System water supply flow then switches back into raw water pump when being higher than certain setting value.
Preferably, S32 specifically includes following steps：
According to pipe system performance curve formula, pipe network hinders a under air-conditioning system part load conditions under the various operating schemes of calculating
Power,
Wherein, pipe system performance curve formula is H=SQ2, wherein H be resistance of pipe system Pa, S be it is related to pipe network composition because
Son, Q is air-conditioning system water-carrying capacity m3/ h, for same pipe network, S values are fixed, H and Q2It is directly proportional, when load becomes hour,
Resistance of pipe system diminishes therewith；
B calculations of air conditioner system pump heads, obtain water pump of air conditioner operating scheme table, the water pump of air conditioner operating scheme table bag
Include annual air-conditioning refrigeration duty, air-conditioning system water-carrying capacity, air-conditioning system pump head, the big pump power of air-conditioning system and air-conditioning system
Unite small pump power；
C calculates annual non-warm season air-conditioning system comprehensive energy consumption according to water pump of air conditioner operating scheme meter, to each operating scheme
Annual non-warm season air-conditioning system comprehensive energy consumption be compared, determine fractional energy savings in air-conditioning system it is maximum newly establish air conditioner water
Pump operation scheme.
Preferably, fractional energy savings maximum newly establishing in water pump of air conditioner operating scheme opens system the need for correspondence in air-conditioning system
The annual air-conditioning part refrigeration duty Q at each moment of cold main frameI is coldWith maximum cold load value QThe cold max of iRatio be 80%~90%.
Technique effect of the invention is：Propose one kind and newly establish water pump of air conditioner progress control method so that air-conditioning water system
In whole year operation, particularly in operation at part load, water pump efficiency is high for the water pump that system design is selected, water system conveying
Energy consumption is relatively low, is easy to select different water pump of air conditioner and to air-conditioning system and operational mode for the different building types of different cities
It is improved so that its is energy-saving.
Brief description of the drawings
Fig. 1 is a kind of flow chart for newly establishing water pump of air conditioner progress control method of the invention；
Fig. 2 is one of schematic diagram of a computation model of the invention；
Fig. 3 is the two of the schematic diagram of a computation model of the invention；
Fig. 4 is the three of the schematic diagram of a computation model of the invention；
Fig. 5 is the four of the schematic diagram of a computation model of the invention；And
Fig. 6 is water pump adapter schematic diagram of the invention.
Specific embodiment
1-6 and specific embodiment are specifically described to the present invention below in conjunction with the accompanying drawings.
Fig. 1 shows a kind of method for determining building air-conditioning pump energy saving operating scheme of the invention, the method
Comprise the following steps：
S1, calculating air-conditioning whole year load, feature and residing geographical position according to building determine computation model and side
Boundary's condition obtains the relevant parameter of computation model, and annual air-conditioning refrigeration duty is calculated in computation model；
S2, determine that refrigeration host computer equipment is in the duration of operation at part load, annual air-conditioning cold according to computation model is born
Lotus analysis determines that refrigeration host computer equipment is in the duration of operation at part load；
S3, determine water pump of air conditioner operating scheme, according to refrigeration host computer equipment operation at part load hourage, it is determined that empty
What fractional energy savings was maximum in adjusting system newly establishes water pump of air conditioner operating scheme.
Further, the relevant parameter of computation model includes out door climatic parameter, room general layout and floor information in S1
Parameter, building enclosure parameter and room parameter.
Further, the whole year carry calculation of air-conditioning described in S1 specifically includes following steps：
S11, the city according to where building, determine out door climatic parameter；The present embodiment is from Chinese Typical Representative meteorology year
(CNTMY) meteorological data as air-conditioning system comprehensive energy consumption analytical calculation out door climatic parameter.That is meteorologic parameter setting steps
Concrete operations be：Corresponding outdoor weather is selected from Chinese typical meteorological year meteorological data based on the location of air-conditioning system
Parameter.At present, annual out door climatic parameter is all using a hour as calculating duration.
S12, room general layout and floor information parameter that computation model is determined according to the general layout and floor information of building；
S13, the building enclosure parameter for determining computation model：The building enclosure parameter includes Shape Coefficient, window-wall ratio, layer
The heat transfer coefficient in face, the heat transfer coefficient of exterior wall, the heat transfer coefficient of floor, the heat transfer coefficient of interior wall, the heat transfer coefficient of exterior window, external door
Heat transfer coefficient, the heat transfer coefficient of inside door and interior window heat transfer coefficient；
S14, the room parameter for determining computation model：The room parameter includes building type, indoor design temperature, phase
To humidity, density of personnel, illumination density, plant capacity density and resh air requirement；
S15, relevant parameter is input into computation model, determines the annual air-conditioning total refrigeration duty of building；And obtain any i
When air-conditioning system i when total refrigeration duty Qi it is cold.
Further, determine that duration of the refrigeration host computer equipment in operation at part load specifically includes following step in S2
Suddenly：
S21, the annual air-conditioning maximum cold load value Q of determinationThe cold max of i；Annual air-conditioning total refrigeration duty QIt is coldBy the annual load chosen
Software for calculation is directly calculated, while Q when obtaining any iI is cold, QI is coldTotal refrigeration duty during as air-conditioning system i.Whole year is negative
Lotus software for calculation directly uses the existing Load Software in market, and the achievements of a ruler that we choose relatively simple practicality herein is complete
Year carry calculation and energy consumption analysis software HY-EP4.0.
S22, determination need to open the annual air-conditioning part refrigeration duty Q of refrigeration host computerI is coldDuration；
S23, determination need the annual air-conditioning part refrigeration duty Q at each moment for opening refrigeration host computerI is coldWith maximum cold load value
QThe cold max of iRatio 0~10%, 10%~20%, 20%~30%, 30%~40%, 40%~50%, 50%~60%,
The corresponding annual air-conditioning part refrigeration duty of 60%~70%, 70%~80%, 80%~90%, 90%~100% each ratio section
QI is coldDuration and each ratio section annual air-conditioning part refrigeration duty QI is coldDuration shared by annual air-conditioning using the ratio of duration, obtain
Obtain the annual air-conditioning refrigeration duty statistical form at each moment.
Further, determine in S3 air-conditioning system most energy-conservation to newly establish water pump of air conditioner progress control method step specific
Including：
S31, the annual air-conditioning refrigeration duty statistical form according to each moment, determine various to newly establish water pump of air conditioner operating scheme；
S32, various water pump of air conditioner operating schemes of newly establishing are verified, determine fractional energy savings it is maximum newly establish air conditioner water
Pump operation scheme.
Further, water pump of air conditioner operating scheme is newly established to be specially：
Newly-increased water pump and raw water pump parallel running, and switched over by the motor-driven valve being arranged on pipeline, when detecting
System water supply flow when being less than certain setting value, operation water pump is switched to by raw water pump and newly establishes water pump, be when what is detected
System water supply flow then switches back into raw water pump when being higher than certain setting value.
Further, S32 specifically includes following steps：
According to pipe system performance curve formula, pipe network hinders a under air-conditioning system part load conditions under the various operating schemes of calculating
Power,
Wherein, pipe system performance curve formula is H=SQ2, wherein H be resistance of pipe system Pa, S be it is related to pipe network composition because
Son, Q is air-conditioning system water-carrying capacity m3/ h, for same pipe network, S values are fixed, H and Q2It is directly proportional, when load becomes hour,
Resistance of pipe system diminishes therewith；
B calculations of air conditioner system pump heads, obtain water pump of air conditioner operating scheme table, the water pump of air conditioner operating scheme table bag
Include annual air-conditioning refrigeration duty, air-conditioning system water-carrying capacity, air-conditioning system pump head, the big pump power of air-conditioning system and air-conditioning system
Unite small pump power；
C calculates annual non-warm season air-conditioning system comprehensive energy consumption according to water pump of air conditioner operating scheme meter, to each operating scheme
Annual non-warm season air-conditioning system comprehensive energy consumption be compared, determine fractional energy savings in air-conditioning system it is maximum newly establish air conditioner water
Pump operation scheme.
Further, fractional energy savings maximum newly establishing in water pump of air conditioner operating scheme is opened the need for correspondence in air-conditioning system
Open the annual air-conditioning part refrigeration duty Q at each moment of refrigeration host computerI is coldWith maximum cold load value QThe cold max of iRatio for 80%~
90%.
Specific embodiment one
Fig. 2~Fig. 5 show practical engineering project in an office building (being divided into A, Building B) as computation model, the calculating
1~17 layer of model is divided into 8 unlimited offices and 2 aisle for index bed, and 18 layers are divided into 22 offices and 4 are walked
Toilet, equipment room, stair in road, wherein Core Walls Structure etc. are not counted in air conditioning area.The building is located at Guangzhou (hot summer and warm winter zone)
Area, air conditioning terminal system uses fan coil+VMC.
Tu2Zhong a areas are the first office, and area is 311.5m2, b areas are the second office, and area is 311.5m2, c areas are
Core Walls Structure stair, elevator, d areas are Core Walls Structure stair, and e areas are aisle, and area is 488.41m2, f areas are the first office, area
It is 311.5m2, g areas are the second office, and area is 311.5m2。
Tu3Zhong a areas are the first office, and area is 311.5m2, b areas are the second office, and area is 311.5m2, c areas are
Core Walls Structure stair, elevator, d areas are Core Walls Structure stair, and e areas are aisle, and area is 488.41m2, f areas are the first office, area
It is 311.5m2, g areas are the second office, and area is 311.5m2。
Tu4Zhong a areas are the first office, and area is 76m2, b areas are the second office, and area is 63.01m2, c areas are the
Three offices, area is 129.09m2, d areas are the 4th office, and area is 55.5m2, e areas are the 5th office, and area is
180m2, f areas are the 6th office, and area is 116.15m2, g areas are the 7th office, and area is 124.02m2, h areas are the 8th
Office, area is 45m2, i areas are the 9th office, and area is 142.58m2, j areas are the tenth office, and area is
111.1m2, k areas are the 11st office, and area is 77.77m2, l areas are the first passageway, and area is 171.44m2, m areas are first
Passageway, area is 190.78m2, n areas are Core Walls Structure stair, elevator, and o areas are Core Walls Structure stair.
Tu5Zhong a areas are the first office, and area is 55.5m2, b areas are the second office, and area is 116.15m2, c areas are
3rd office, area is 77.77m2, d areas are the 4th office, and area is 111.1m2, e areas are the 5th office, and area is
129.09m2, f areas are the 6th office, and area is 63.01m2, g areas are the 7th office, and area is 124.02m2, h areas are the
Eight offices, area is 45m2, i areas are the 9th office, and area is 142.58m2, j areas are the tenth office, and area is 76m2,
K areas are the 11st office, and area is 180m2, l areas are the first passageway, and area is 171.44m2, m areas are the first passageway, area
It is 190.78m2, n areas are Core Walls Structure stair, elevator, and o areas are Core Walls Structure stair.
The calculating time of office is defined by the work hours of general clerical workforce, and specially 8：00~18:00, all minor details are false
Day does not calculate.Building enclosure parameter takes building energy conservation calculated value, specifically refers to table 1.Indoor meteorologic parameter, density of personnel, equipment
The value of power, illumination density and utilization rate is defined by design load, is specifically shown in Table 2.For the sake of simple, it is assumed here that room parameter
Whole year does not change.
Table 1：Enclosed structure parameter list
The room parameter table of table 2
Then, annual load is carried out to computation model from achievements of a ruler whole year carry calculation and energy consumption analysis software HY-EP4.0
Calculate, its maximum cold load value QThe cold max of iIt is 6609kw.The Air-conditioner design of former computation model by when item by item refrigeration duty value be
9789.7kw。
The annual refrigeration duty that will be calculated deducts the hourage (duration) that need not open refrigeration host computer, that is, deduct nature room
Temperature is less than 22 DEG C and only opens the time of waste heat in decontamination chamber by new blower fan, and will need each moment of unlatching refrigeration host computer
Annual each moment air-conditioning refrigeration duty QI is coldCorresponding to maximum refrigeration duty QThe cold max of iThe ratio of value is 0~10%, 10%~20%, 20%
~30%, 30%~40%, 40%~50%, 50%~60%, 60%~70%, 70%~80%, 80%~90%, 90%
The ratio that the duration and the corresponding duration of~100% each ratio section account for total duration does corresponding statistics, obtains the whole year at each moment
Air-conditioning refrigeration duty statistical form, specifically refers to table 3.
The annual dynamic refrigeration duty Data-Statistics table of table 3
| QI is cold/QThe cold max of iRatio | The corresponding refrigeration duty of different proportion | Hourage | Hourage proportion |
| 0~10% | 0~660.96 | 4.00 | 0.22% |
| 10%~20% | 660.96~1321.92 | 85.00 | 4.68% |
| 20%~30% | 1321.92~1982.88 | 232.00 | 12.77% |
| 30%~40% | 1982.88~2643.84 | 278.00 | 15.30% |
| 40~50% | 2643.84~3304.80 | 273.00 | 15.02% |
| 50%~60% | 3304.80~3965.76 | 290.00 | 15.96% |
| 60%~70% | 3965.76~4626.72 | 315.00 | 17.34% |
| 70%~80% | 4626.72~5287.69 | 237.00 | 13.04% |
| 80%~90% | 5287.69~5948.65 | 92.00 | 5.06% |
| 90%~100% | 5948.65~6609.61 | 10.00 | 0.55% |
The water pump of air conditioner scheme (scheme 1) that former operating scheme is selected is 1 242m3The small pump of/h and 2 727m3/ h's is big
Pump.And according to the dynamic cooling load distribution rule of table 3, for annual water pump of air conditioner Effec-tive Function, water system conveying is reduced as far as possible
The principle of energy consumption, increases 3 of water pump of air conditioner newly, and 2 big one is small, is corresponded with main frame, increases water pump of air conditioner newly with former water pump of air conditioner
It is connected in parallel, electrically operated valve is set on branch pipe, connection diagram refers to Fig. 6, in figure, two groups of refrigeration units (big) 1 and one group of system
Cold group (small) 2 is connected by water pump of air conditioner 3 with return pipe 4 respectively, and multiple water pump of air conditioner are connected in parallel.In order to obtain most energy-conservation
Water pump of air conditioner operation method, 11 kinds of operation methods are listed here and are compared.Scheme 1, is the water pump of air conditioner of former design selection
Scheme.2~scheme of scheme 11, be air conditioner load corresponding table 3 in different proportion, by formula H=SQ2Calculate corresponding water
Pump lift.Specific data refer to table 4, table 5.
The resistance of pipe system of the computation model of table 4 constitutes table
| Main frame pressure drop (m) | Computer room pipe resistance (m) | End pressure drop (m) | Fixed resistance (m) | Variable resistance of pipe system (m) | System drag overall (pump head) (m) |
| 7.2 | 2 | 4 | 13.2 | 27.8 | 41 |
The water pump of air conditioner operation method table of table 5
| Scheme | Load (kw) | Flow (m3/h) | Lift (m) | Big pump power (KW) | Small pump power (KW) |
| Scheme 1 (former scheme) | 9846 | 1696 | 41 | 132 | 55 |
| Scheme 2 (100%) | 6609.61 | 1136.65 | 25.69 | 90 | 30 |
| Scheme 3 (90%) | 5948.65 | 1022.98 | 23.31 | 75 | 22 |
| Scheme 4 (80%) | 5287.69 | 909.32 | 21.19 | 55 | 22 |
| Scheme 5 (70%) | 4626.72 | 795.65 | 19.32 | 55 | 22 |
| Scheme 6 (60%) | 3965.76 | 681.99 | 17.70 | 55 | 18.5 |
| Scheme 7 (50%) | 3304.80 | 568.32 | 16.32 | 45 | 18.5 |
| Scheme 8 (40%) | 2643.84 | 454.66 | 15.20 | 45 | 18.5 |
| Scheme 9 (30%) | 1982.88 | 340.99 | 14.32 | 45 | 18.5 |
| Scheme 10 (20%) | 1321.92 | 227.33 | 13.70 | 37 | 15 |
| Scheme 11 (10%) | 660.96 | 113.66 | 13.32 | 37 | 15 |
It is by the patent name that applicant applies by above-mentioned 11 kinds of schemes：A kind of non-warm season air-conditioning system comprehensive energy consumption
Analysis method, the patent of invention of Application No. 2016109743028 carry out annual non-warm season air-conditioning system comprehensive energy consumption and calculate,
Circular is as follows：
According to formula WAlways=WIt is cold+WGas+WWaterThe comprehensive energy consumption of calculations of air conditioner system, wherein, WAlwaysIt is air-conditioning system comprehensive energy consumption,
WIt is coldIt is energy consumption for cooling, WGasIt is air system conveying energy consumption, WWaterIt is water system conveying energy consumption.
Wherein, COP is coefficient of performance of refrigerating, and total refrigeration duty during the cold i for air-conditioning system of Qi, t is cold
It is the low-temperature receiver available machine time；
Air system conveying energy consumption WGasComputational methods be：
Wherein, NI endsIt is end-equipment power, tEndIt is the available machine time of end-equipment.
Water system conveying energy consumption WWaterComputational methods be：
Wherein, COP is coefficient of performance of refrigerating, QI is coldTotal refrigeration duty during for air-conditioning system i, tIt is coldIt is low-temperature receiver available machine time, NI is cold
To run the plant capacity of handpiece Water Chilling Units, NI waterTo run the plant capacity of water pump, NI towersTo run the plant capacity of cooling tower.Its
Middle refrigeration host computer, end-equipment, pipe-line system are calculated according to the design of former air-conditioning system.It is the results detailed in Table 6.
The air-conditioning system comprehensive energy consumption comparison sheet of 6 11 kinds of schemes of table
It can be seen from Table 6 that, select scheme 4, i.e. QI is cold/QThe cold max of iRatio be 80% when, air-conditioning system most energy-conservation, relatively
In water system conveying energy consumption, 53.54% energy consumption can be saved, relative to air-conditioning system comprehensive energy consumption, 5.7% energy can be saved
Consumption.If calculated by the 0.88 yuan/KWh of electricity price in current Guangzhou, most I saves 124988 yuan every year.
The present invention can be different regions difference Building Design suitable water pump of air conditioner scheme, and more for energy consumption
System propose corrective measure, with energy-saving and emission-reduction, so as to save the substantial amounts of energy.
Method of the present invention, can be realized by computer program, it is also possible to by computer program storage in storage
On medium, processor reads computer program from storage medium, and performs corresponding method, completes the work of series compensation device
Make the monitoring of state, it is ensured that its work safety.
It should be noted last that：Above example only illustrates and not to limit technical scheme, although reference
Above-described embodiment has been described in detail to the present invention, it will be understood by those within the art that：Still can be to this hair
It is bright to modify or equivalent, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should
Cover in the middle of scope of the presently claimed invention.
Claims (5)
1. a kind of method for determining building air-conditioning pump energy saving operating scheme, it is characterised in that：It is comprised the following steps：
S1, the calculating air-conditioning whole year load, it specifically includes following steps：
S11, longitude and latitude according to where building, determine the meteorologic parameter of building region；
S12, room general layout parameter and floor information parameter are determined according to the general layout and floor information of building；
S13, determine building enclosure parameter：The building enclosure parameter include Shape Coefficient, window-wall ratio, the heat transfer coefficient of aspect,
It is the heat transfer coefficient of exterior wall, the heat transfer coefficient of floor, the heat transfer coefficient of interior wall, the heat transfer coefficient of exterior window, the heat transfer coefficient of external door, interior
The heat transfer coefficient of door and the heat transfer coefficient of interior window；
S14, the room parameter for determining building：The room parameter includes building type, indoor design temperature, relatively wet
Degree, density of personnel, illumination density, plant capacity density and resh air requirement；
The total refrigeration duty Q of S15, air-conditioning system when determining any iI is cold,QI is cold=f (A+B+C), wherein A represent the feature of building
Residing geographical position is represented with B, C represents boundary condition；
S2, determine refrigeration host computer equipment be in operation at part load duration, the theoretical load of air-conditioning system during according to any i
Amount determines that refrigeration host computer equipment is in the duration of operation at part load；
S21, the annual air-conditioning maximum cold load value Q of determinationThe cold max of i；
S22, determination need to open the annual air-conditioning part refrigeration duty Q of refrigeration host computerI is coldDuration；
S23, determination need the annual air-conditioning part refrigeration duty Q at each moment for opening refrigeration host computerI is coldWith maximum cold load value QThe cold max of i
Ratio 0~10%, 10%~20%, 20%~30%, 30%~40%, 40%~50%, 50%~60%, 60%~
70%th, 70%~80%, 80%~90%, the corresponding annual air-conditioning part refrigeration duty Q of 90%~100% each ratio sectionI is coldWhen
The annual air-conditioning part refrigeration duty Q of long and each ratio sectionI is coldDuration shared by annual air-conditioning using duration ratio, when obtaining each
The annual air-conditioning refrigeration duty statistical form at quarter.
S3, determine water pump of air conditioner operating scheme, according to refrigeration host computer equipment in the hourage of operation at part load, determine air-conditioning system
What fractional energy savings was maximum in system newly establishes water pump of air conditioner operating scheme.
Determine that the water pump of air conditioner progress control method step of newly establishing of air-conditioning system most energy-conservation is specifically included in S3：
S31, the annual air-conditioning refrigeration duty statistical form according to each moment, determine various to newly establish water pump of air conditioner operating scheme；
S32, various water pump of air conditioner operating schemes of newly establishing are verified, determine fractional energy savings it is maximum newly establish water pump of air conditioner fortune
Row scheme.
2. the method for determining building air-conditioning pump energy saving operating scheme according to claim 1, it is characterised in that：
The annual air-conditioning refrigeration duty statistical form at each moment includes the annual air-conditioning part refrigeration duty Q at each momentI is coldWith maximum refrigeration duty
Value QThe cold max of iRatio, each ratio section annual air-conditioning part refrigeration duty QI is coldDuration and each ratio section annual air-conditioning part
Refrigeration duty QI is coldDuration shared by annual air-conditioning using duration ratio.
3. the method for determining building air-conditioning pump energy saving operating scheme according to claim 1, it is characterised in that：
Water pump of air conditioner operating scheme is newly established to be specially：
Newly-increased water pump and raw water pump parallel running, and switched over by the motor-driven valve being arranged on pipeline, it is when what is detected
When system water supply flow is less than certain setting value, operation water pump is switched to by raw water pump and newly establishes water pump, when the system for detecting is supplied
Water-carrying capacity then switches back into raw water pump when being higher than certain setting value.
4. the method for determining building air-conditioning pump energy saving operating scheme according to claim 3, it is characterised in that：
S32 specifically includes following steps：
A calculates under various operating schemes resistance of pipe system under air-conditioning system part load conditions according to pipe system performance curve formula,
Wherein, pipe system performance curve formula is H=SQ2, wherein H is the factor related to pipe network composition, Q for resistance of pipe system Pa, S
It is air-conditioning system water-carrying capacity m3/ h, for same pipe network, S values are fixed, H and Q2It is directly proportional, when load becomes hour, pipe network
Resistance diminishes therewith；
B calculations of air conditioner system pump heads, obtain water pump of air conditioner operating scheme table, and the water pump of air conditioner operating scheme table includes complete
Year air-conditioning refrigeration duty, air-conditioning system water-carrying capacity, air-conditioning system pump head, the big pump power of air-conditioning system and air-conditioning system are small
Pump power；
C calculates annual non-warm season air-conditioning system comprehensive energy consumption according to water pump of air conditioner operating scheme meter, to the complete of each operating scheme
Year, non-warm season air-conditioning system comprehensive energy consumption was compared, and determined that the water pump of air conditioner of newly establishing of fractional energy savings maximum in air-conditioning system is transported
Row scheme.
5. the method for determining building air-conditioning pump energy saving operating scheme according to claim 4, it is characterised in that：
Each moment of refrigeration host computer is opened in what fractional energy savings was maximum in air-conditioning system newly establish water pump of air conditioner operating scheme the need for correspondence
Annual air-conditioning part refrigeration duty QI is coldWith maximum cold load value QThe cold max of iRatio be 80%~90%.
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