CN112781131A - Method for analyzing operation energy efficiency of refrigerating machine room and achieving high efficiency and energy conservation after optimization - Google Patents
Method for analyzing operation energy efficiency of refrigerating machine room and achieving high efficiency and energy conservation after optimization Download PDFInfo
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- CN112781131A CN112781131A CN202110010599.7A CN202110010599A CN112781131A CN 112781131 A CN112781131 A CN 112781131A CN 202110010599 A CN202110010599 A CN 202110010599A CN 112781131 A CN112781131 A CN 112781131A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- 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
- F24F11/46—Improving electric energy efficiency or saving
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- 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
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- 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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- 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
- F24F11/88—Electrical aspects, e.g. circuits
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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Abstract
The invention discloses a method for analyzing the operation energy efficiency of a refrigerating room and achieving high efficiency and energy conservation after optimization, which has the technical scheme key points that: the method comprises the following steps: the method comprises the steps of original design energy efficiency simulation, a design technology implementation scheme, equipment model selection optimization, pipeline optimization, group control system optimization, machine room installation and construction, machine room equipment debugging, energy efficiency certification acceptance and operation and maintenance management; the original design energy efficiency simulation comprises the steps of simulating the original design energy efficiency of a refrigerating machine room system according to an ASHARE standard, using Hourly Analysis Program software to cooperate with main parameters of input equipment to carry out annual load energy simulation to estimate the cold consumption, and enabling EER = annual accumulated total cold consumption/annual accumulated total electric quantity of the refrigerating machine room; the construction process is simple, and the aim of high efficiency and energy saving can be effectively achieved after the refrigeration machine room is optimized.
Description
Technical Field
The invention belongs to the field of construction of refrigeration machine rooms in existing buildings, and particularly relates to a method for analyzing the operation energy efficiency of a refrigeration machine room and optimizing the operation energy efficiency to achieve high efficiency and energy conservation.
Background
With the rapid development of economy, the possession of commercial building areas is increasing day by day, and the energy consumption of the refrigeration machine rooms occupies a major part in the commercial buildings, and is often higher particularly in high-temperature seasons. The concept of the efficient machine room is already established in countries such as Singapore, and the newly built building is required to meet a certain energy efficiency value. However, most of domestic refrigeration machine rooms only attach importance to functional requirements, do not consider operation efficiency, and often cannot reach the standard of efficient machine rooms. The research results of the building energy saving center of Qinghua university, namely 'Chinese building energy saving annual development research report 2018' show that: the EER measured value of the refrigeration machine rooms of the parts of buildings in Guangdong province is 2.5-3.0 in average all the year around, and the EER measured value of the refrigeration machine rooms of a small part of buildings is even lower than 1.5. Seven departments such as the national institute of improvement and development committee in 2019 release a green efficient refrigeration action scheme together, and propose: by 2030, the refrigeration energy efficiency of large public buildings is improved by 30 percent. Therefore, research and implementation on efficient energy-saving operation of the refrigeration machine room are imperative.
The existing refrigeration machine room only focuses on functional requirements, lacks system operation efficiency indexes, and cannot achieve the purpose of saving energy under the condition of low system energy efficiency.
Disclosure of Invention
The invention aims to provide a method for achieving high efficiency and energy saving after operation energy efficiency analysis and optimization of a refrigeration machine room, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
the method for achieving high efficiency and energy saving after analyzing and optimizing the operation energy efficiency of the refrigerating machine room comprises the following steps: the method comprises the steps of original design energy efficiency simulation, a design technology implementation scheme, equipment model selection optimization, pipeline optimization, group control system optimization, machine room installation and construction, machine room equipment debugging, energy efficiency certification acceptance and operation and maintenance management;
the original design energy efficiency simulation comprises the steps of simulating the original design energy efficiency of a refrigerating machine room system according to an ASHARE standard, using Hourly Analysis Program software to cooperate with main parameters of input equipment to carry out year-round load energy simulation to estimate the cold consumption, and accumulating the total energy consumption/year-round accumulated total electric quantity of the refrigerating machine room EER;
the machine room installation construction comprises the steps of carrying out 1:1 visual modeling on all electromechanical contents of the machine room by utilizing a BIM technology, comprehensively considering the processing, transportation and assembly requirements of each device and components thereof, guiding construction by utilizing a three-dimensional drawing, inspecting main devices and related accessories before construction, and simultaneously constructing according to the quality standard of the machine room of the efficient air-conditioning system and supervising the installation of the machine room devices.
Preferably, relevant parameters of the equipment are optimized according to the working condition of the simulated operation; the equipment of the refrigeration machine room comprises a water chilling unit, a cooling tower, an air-conditioning water pump and an air-conditioning tail end; energy consumption analysis is carried out on the water chilling unit, the cooling tower, the air conditioner water pump and the air conditioner tail end, and water resistance, water inlet and outlet temperature and motor power parameters are optimized by butt joint with a manufacturer.
Preferably, the operation and maintenance management comprises the steps of making an operation and use introduction manual of an intelligent control system of the cold station and an operation and maintenance instruction manual of the property management of the machine room part, training the operation and the technology of the intelligent control system of the property management personnel, and training the operation and maintenance management and the technology of an air conditioning system of the cold station of the property management personnel; meanwhile, an emergency service scheme for maintaining the intelligent control system is formulated in the warranty period.
Preferably, the cold station intelligent control system comprises a workstation, a DDC controller, a sensor and an actuator.
Preferably, the pipeline optimization comprises:
carrying out fine adjustment and guiding field construction by utilizing BIM technology modeling;
the elbow connection is cancelled, and the double 45-degree elbows are used for replacing 90-degree elbows so as to reduce the resistance of the pipeline;
unnecessary valves and filters are eliminated, a main pipe type is used for replacing a water dividing and collecting device, the installation position of the valves is adjusted, and a bypass pipe is arranged for protecting main equipment;
the cooling tower uses a main pipe type pipeline to balance a water path, and the water chilling unit is connected with a main pipe in parallel to distribute flow according to calculation;
hydraulic calculation of a machine room pipeline is refined, and the pressure of accessories in the machine room except main equipment is technically controlled;
BIM drawing is used for guiding field construction and reducing construction errors, and the construction quality is controlled to prevent valve installation from being reversed and leakage points exist in welding;
and optimizing the auditing air channel, and setting the acting radius of the air pipe to ensure that the length-side ratio of the rectangular air pipe is less than 4 and not more than 10.
Preferably, the device type selection optimization comprises:
matching the model selection load of the water chilling unit according to the load proportion analysis result, performing performance parameter comparison analysis on the water chilling unit in the brand library, and finally determining an efficient system scheme;
optimizing an air conditioning water pump according to pipeline optimization and hydraulic calculation evaluation, selecting a water pump which meets the specification and model of the economic force data, selecting a water pump which meets the economic force data in terms of flow, lift and full pressure, avoiding energy loss, and simultaneously enabling a long-time working point of the water pump to be located in a high-efficiency area;
the temperature of inlet and outlet water of the cooling tower is set according to the site construction environment, fresh air is contacted in a larger area, and an air duct and a clapboard are added to meet the requirement of high-efficiency energy-saving operation;
the method selects the precise air conditioner with the mature COP brand, optimizes the airflow organization of the data machine room, adopts the cold and hot channel technology and improves the utilization rate of the precise air conditioner of the machine room.
Preferably, the debugging method further comprises the steps of making a debugging plan of the machine room of the efficient air-conditioning system, including the steps of checking before debugging, performing single machine debugging and debugging on the whole system under load, finally performing operation debugging on the intelligent control system and performing data acquisition, wherein the time limit of the data acquisition is 14 days.
Preferably, the system further comprises remote online monitoring data, wherein the remote online monitoring data is used for analyzing and comparing the difference between the simulation data and the real operation data.
Preferably, the group control system optimization includes:
the method comprises the steps of monitoring by adopting an accurate energy efficiency monitoring system, wherein the accurate energy efficiency monitoring system comprises a high-accuracy intelligent gateway, an accurate cold quantity metering unit, a flow sensor, a temperature sensor and a digital electric meter, comprehensively acquiring data, updating the data and recording the data at an interval of 1 minute, and displaying the running state of equipment, the cold quantity output and recovery condition and the energy and efficiency tracking condition in real time;
a humanized and visualized interface is arranged for facilitating the management of different professional leaders and is suitable for monitoring and decision-making of operation and maintenance staff with uneven levels;
adopt accurate energy consumption monitored control system in web high in clouds, including FM facility management, work order management, logistics management and inventory management function module and make software and data expansion ability strengthen, function module infinitely expands and intelligent control system and energy management platform data intercommunication, seamless connection look over monitoring data in cell-phone end, computer and pad in real time simultaneously.
Compared with the prior art, the invention has the beneficial effects that:
the invention relates to a method for analyzing the operation energy efficiency of a refrigerating machine room and achieving high efficiency and energy saving after optimization, which has simple construction process, can effectively solve the problems that the existing refrigerating machine room is low in operation energy efficiency and cannot achieve high efficiency and energy saving after the refrigerating machine room is optimized.
Drawings
FIG. 1 is a schematic diagram of the process of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The method for achieving high efficiency and energy saving after analyzing and optimizing the operation energy efficiency of the refrigerating machine room comprises the following steps: the method comprises the steps of original design energy efficiency simulation, a design technology implementation scheme, equipment model selection optimization, pipeline optimization, group control system optimization, machine room installation and construction, machine room equipment debugging, energy efficiency certification acceptance and operation and maintenance management;
simulating the original design energy efficiency of the refrigeration machine room according to an ASHARE standard, wherein main parameters of input equipment are matched with Hourly Analysis Program software to simulate and estimate the consumed cold quantity through year-round load energy, and the EER of the refrigeration machine room is the year-round accumulated total consumed cold quantity/year-round accumulated total electric quantity;
the machine room installation construction comprises the steps of carrying out 1:1 visual modeling on all electromechanical contents of the machine room by utilizing a BIM technology, comprehensively considering the processing, transportation and assembly requirements of each device and components thereof, guiding construction by utilizing a three-dimensional drawing, inspecting main devices and related accessories before construction, and simultaneously constructing according to the quality standard of the machine room of the efficient air-conditioning system and supervising the installation of the machine room devices.
In this embodiment, preferably, the relevant parameters of the equipment are optimized according to the working conditions of the simulated operation; the equipment of the refrigeration machine room comprises a water chilling unit, a cooling tower, an air-conditioning water pump and an air-conditioning tail end; energy consumption analysis is carried out on a water chilling unit, a cooling tower, an air conditioner water pump and the tail end of an air conditioner, and water resistance, water inlet and outlet temperature and motor power parameters are optimized by butting with a manufacturer.
In this embodiment, preferably, the operation and maintenance management includes making an introduction manual for operation and use of an intelligent control system of the cold station and an operation and maintenance instruction manual for property management of a machine room part, training the operation and the technology of the intelligent control system for property management personnel, and training the operation and maintenance management and the technology of an air conditioning system of the cold station for the property management personnel; meanwhile, an emergency service scheme for maintaining the intelligent control system is formulated in the warranty period.
In this embodiment, preferably, the cold station intelligent control system includes a workstation, a DDC controller, a sensor, and an actuator.
In this embodiment, preferably, the pipeline optimization includes:
carrying out fine adjustment and guiding field construction by utilizing BIM technology modeling;
the elbow connection is cancelled, and the double 45-degree elbows are used for replacing 90-degree elbows so as to reduce the resistance of the pipeline;
unnecessary valves and filters are eliminated, a main pipe type is used for replacing a water dividing and collecting device, the installation position of the valves is adjusted, and a bypass pipe is arranged for protecting main equipment;
the cooling tower uses a main pipe type pipeline to balance a water path, and the water chilling unit is connected with a main pipe in parallel to distribute flow according to calculation;
hydraulic calculation of a machine room pipeline is refined, and the pressure of accessories in the machine room except main equipment is technically controlled;
BIM drawing is used for guiding field construction and reducing construction errors, and the construction quality is controlled to prevent valve installation from being reversed and leakage points exist in welding;
and optimizing the auditing air channel, and setting the acting radius of the air pipe to ensure that the length-side ratio of the rectangular air pipe is less than 4 and not more than 10.
In this embodiment, preferably, the device model selection optimization includes:
matching the model selection load of the water chilling unit according to the load proportion analysis result, performing performance parameter comparison analysis on the water chilling unit in the brand library, and finally determining an efficient system scheme;
optimizing an air conditioning water pump according to pipeline optimization and hydraulic calculation evaluation, selecting a water pump which meets the specification and model of the economic force data, selecting a water pump which meets the economic force data in terms of flow, lift and full pressure, avoiding energy loss, and simultaneously enabling a long-time working point of the water pump to be located in a high-efficiency area;
the temperature of inlet and outlet water of the cooling tower is set according to the site construction environment, fresh air is contacted in a larger area, and an air duct and a clapboard are added to meet the requirement of high-efficiency energy-saving operation;
the method selects the precise air conditioner with the mature COP brand, optimizes the airflow organization of the data machine room, adopts the cold and hot channel technology and improves the utilization rate of the precise air conditioner of the machine room.
In this embodiment, preferably, the method further includes making a debugging plan of the machine room of the high-efficiency air conditioning system, including checking before debugging, performing stand-alone debugging and debugging of the whole system under load, and finally performing operation debugging of the intelligent control system and performing data acquisition, where the data acquisition period is 14 days.
In this embodiment, it is preferable that the simulation system further includes remote online monitoring data, and the remote online monitoring data is used to analyze and compare the difference between the simulation data and the real operation data.
In this embodiment, preferably, the group control system optimization includes:
the method comprises the steps of monitoring by adopting an accurate energy efficiency monitoring system, wherein the accurate energy efficiency monitoring system comprises a high-accuracy intelligent gateway, an accurate cold quantity metering unit, a flow sensor, a temperature sensor and a digital electric meter, comprehensively acquiring data, updating the data and recording the data at an interval of 1 minute, and displaying the running state of equipment, the cold quantity output and recovery condition and the energy and efficiency tracking condition in real time;
a humanized and visualized interface is arranged for facilitating the management of different professional leaders and is suitable for monitoring and decision-making of operation and maintenance staff with uneven levels;
adopt accurate energy consumption monitored control system in web high in clouds, including FM facility management, work order management, logistics management and stock management function module and make software and data expansion ability strengthen, function module infinitely expands and intelligent control system and energy management platform data intercommunication, seamless connection, look over the monitoring data in cell-phone end, computer and pad in real time simultaneously.
The working principle and the using process of the invention are as follows:
when the method for analyzing and optimizing the operation energy efficiency of the refrigeration machine room to achieve high efficiency and energy conservation is used, according to energy efficiency measurement and calculation, the energy efficiency EER of an originally designed cold source machine room is 4.0, the estimated electric quantity of the all-year water-cooled cold source machine room is 1802 kwh, the all-year electric charge is 1442 ten thousand yuan, the energy efficiency EER of the optimized cold source machine room is improved to 5.58, the estimated electric quantity of the all-year water-cooled cold source machine room is 1290 kwh, and the all-year electric charge is 1032 ten thousand yuan. Therefore, the high-efficiency machine room saves the electricity charge by about 410 ten thousand yuan each year, the early investment cost is about 454 ten thousand yuan, and the investment recovery period is 1.11 years. The energy efficiency EER of the cold source machine room is improved to 5.58, the energy saving rate is 28.4%, and the high efficiency and the energy saving of the refrigeration machine room are realized.
Energy efficiency and economic analysis of efficient refrigeration machine room
The annual load of the building is 8760h, the energy efficiency of the raw water-cooled cold source machine room is 4.0 according to energy efficiency measurement and calculation, the estimated electric quantity of the annual water-cooled cold source machine room is 1802 ten thousand kWh, and the annual electric charge is 1442 ten thousand yuan. The energy efficiency of the optimized refrigerating machine room is improved to 5.58, the estimated electric quantity of the annual water-cooling cold source machine room is 1290 ten thousand kWhe, and the annual electric charge is 1032 ten thousand yuan. Therefore, the operating electricity charge of the high-efficiency machine room is saved by about 410 ten thousand yuan each year, the early investment cost is about 454 ten thousand yuan, the investment recovery period is 1.11 years, and the data are shown in the following table:
although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The method for achieving high efficiency and energy saving after analysis and optimization of operation energy efficiency of the refrigeration machine room is characterized by comprising the following steps: the method comprises the steps of original design energy efficiency simulation, a design technology implementation scheme, equipment model selection optimization, pipeline optimization, group control system optimization, machine room installation and construction, machine room equipment debugging, energy efficiency certification acceptance and operation and maintenance management;
the original design energy efficiency simulation comprises the steps of simulating the original design energy efficiency of a refrigerating machine room system according to an ASHARE standard, using Hourly Analysis Program software to cooperate with main parameters of input equipment to carry out annual load energy simulation to estimate the cold consumption, and enabling EER = annual accumulated total cold consumption/annual accumulated total electric quantity of the refrigerating machine room;
the machine room installation construction comprises the steps of carrying out 1:1 visual modeling on all electromechanical contents of the machine room by utilizing a BIM technology, comprehensively considering the processing, transportation and assembly requirements of each device and components thereof, guiding construction by utilizing a three-dimensional drawing, inspecting main devices and related accessories before construction, and simultaneously constructing according to the quality standard of the machine room of the efficient air-conditioning system and supervising the installation of the machine room devices.
2. The method for achieving high efficiency and energy conservation after operation energy efficiency analysis and optimization of the refrigeration machine room according to claim 1, is characterized in that: optimizing relevant parameters of the equipment according to the working condition of the simulated operation; the equipment of the refrigeration machine room comprises a water chilling unit, a cooling tower, an air-conditioning water pump and an air-conditioning tail end; energy consumption analysis is carried out on the water chilling unit, the cooling tower, the air conditioner water pump and the air conditioner tail end, and water resistance, water inlet and outlet temperature and motor power parameters are optimized by butt joint with a manufacturer.
3. The method for achieving high efficiency and energy conservation after operation energy efficiency analysis and optimization of the refrigeration machine room according to claim 1, is characterized in that: the operation and maintenance management comprises the steps of formulating an operation and use introduction manual of a cold station intelligent control system and a property management operation and maintenance instruction manual of a machine room part, training the operation and maintenance of the intelligent control system and the technology of property management personnel, and training the operation and maintenance management of a cold station air conditioning system and the technology of the property management personnel; meanwhile, an emergency service scheme for maintaining the intelligent control system is formulated in the warranty period.
4. The method for achieving high efficiency and energy conservation after operation energy efficiency analysis and optimization of the refrigeration machine room according to claim 1, is characterized in that: the cold station intelligent control system comprises a workstation, a DDC controller, a sensor and an actuator.
5. The method for achieving high efficiency and energy conservation after operation energy efficiency analysis and optimization of the refrigeration machine room according to claim 1, is characterized in that: the pipeline optimization comprises:
carrying out fine adjustment and guiding field construction by utilizing BIM technology modeling;
the elbow connection is cancelled, and the double 45-degree elbows are used for replacing 90-degree elbows so as to reduce the resistance of the pipeline;
unnecessary valves and filters are eliminated, a main pipe type is used for replacing a water dividing and collecting device, the installation position of the valves is adjusted, and a bypass pipe is arranged for protecting main equipment;
the cooling tower uses a main pipe type pipeline to balance a water path, and the water chilling unit is connected with a main pipe in parallel to distribute flow according to calculation;
hydraulic calculation of a machine room pipeline is refined, and the pressure of accessories in the machine room except main equipment is technically controlled;
BIM drawing is used for guiding field construction and reducing construction errors, and the construction quality is controlled to prevent valve installation from being reversed and leakage points exist in welding;
and optimizing the auditing air channel, and setting the acting radius of the air pipe to ensure that the length-side ratio of the rectangular air pipe is less than 4 and not more than 10.
6. The method for achieving high efficiency and energy conservation after operation energy efficiency analysis and optimization of the refrigeration machine room according to claim 1, is characterized in that: the equipment model selection optimization comprises the following steps:
matching the model selection load of the water chilling unit according to the load proportion analysis result, performing performance parameter comparison analysis on the water chilling unit in the brand library, and finally determining an efficient system scheme;
optimizing an air conditioning water pump according to pipeline optimization and hydraulic calculation evaluation, selecting a water pump which meets the specification and model of the economic force data, selecting a water pump which meets the economic force data in terms of flow, lift and full pressure, avoiding energy loss, and simultaneously enabling a long-time working point of the water pump to be located in a high-efficiency area;
the temperature of inlet and outlet water of the cooling tower is set according to the site construction environment, fresh air is contacted in a larger area, and an air duct and a clapboard are added to meet the requirement of high-efficiency energy-saving operation;
the method selects the precise air conditioner with the mature COP brand, optimizes the airflow organization of the data machine room, adopts the cold and hot channel technology and improves the utilization rate of the precise air conditioner of the machine room.
7. The method for achieving high efficiency and energy conservation after operation energy efficiency analysis and optimization of the refrigeration machine room according to claim 1, is characterized in that: the debugging method comprises the steps of setting a debugging plan of the high-efficiency air conditioning system machine room, carrying out single machine debugging and whole system loaded debugging before debugging, carrying out intelligent control system operation debugging and carrying out data acquisition at last, wherein the time limit of the data acquisition is 14 days.
8. The method for achieving high efficiency and energy conservation after operation energy efficiency analysis and optimization of the refrigeration machine room according to claim 1, is characterized in that: the remote online monitoring system also comprises remote online monitoring data, wherein the remote online monitoring data are used for analyzing and comparing the difference between the simulation data and the real operation data.
9. The method for achieving high efficiency and energy conservation after operation energy efficiency analysis and optimization of the refrigeration machine room according to claim 1, is characterized in that: the group control system optimization comprises:
the method comprises the steps of monitoring by adopting an accurate energy efficiency monitoring system, wherein the accurate energy efficiency monitoring system comprises a high-accuracy intelligent gateway, an accurate cold quantity metering unit, a flow sensor, a temperature sensor and a digital electric meter, comprehensively acquiring data, updating the data and recording the data at an interval of 1 minute, and displaying the running state of equipment, the cold quantity output and recovery condition and the energy and efficiency tracking condition in real time;
a humanized and visualized interface is arranged for facilitating the management of different professional leaders and is suitable for monitoring and decision-making of operation and maintenance staff with uneven levels;
adopt accurate energy consumption monitored control system in web high in clouds, including FM facility management, work order management, logistics management and inventory management function module and make software and data expansion ability strengthen, function module infinitely expands and intelligent control system and energy management platform data intercommunication, seamless connection look over monitoring data in cell-phone end, computer and pad in real time simultaneously.
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| CN113927946A (en) * | 2021-09-24 | 2022-01-14 | 武汉宏博纸品包装有限公司 | Temperature regulation and control method for packaging carton production line |
| CN115164352A (en) * | 2022-05-30 | 2022-10-11 | 中建八局第三建设有限公司 | Large-space air conditioner whole-process debugging method |
| CN115235050A (en) * | 2022-09-21 | 2022-10-25 | 江苏橙智云信息技术有限公司 | Simulation method and device for energy-saving strategy of central air-conditioning water chilling unit |
| CN118167720A (en) * | 2024-05-15 | 2024-06-11 | 南京讯联液压技术股份有限公司 | Low-energy-consumption hydraulic filtering and energy efficiency optimization control method and system |
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