Air compressor unit energy consumption estimation algorithm

Abstract

The invention discloses an algorithm for estimating unit energy consumption of an air compressor. The algorithm comprises the following steps of calculating a load rate, calculating a full-load gas production rate, calculating full-load electricity consumption, calculating load electricity quantity, calculating load electricity quantity, calculating no-load electricity quantity, calculating electricity consumption, calculating a gas production rate and calculating unit energy consumption. According to the algorithm for estimating the unit energy consumption of the air compressor, energy efficiency data of a client is estimated directly according to basic data, cost is saved to a certain extent, efficiency is improved, an energy-saving transformation report is intelligently generated according to the basic data, data comparison before and after transformation is embodied, and the algorithm for estimating the unit energy consumption of the air compressor has the advantages of being high in practicability and high in practicability. Project values are highlighted, and the sales success rate can be improved.

Description

Technical Field

[0001] The invention relates to the technical field of air compressors, and in particular to an algorithm for estimating unit energy consumption of air compressors. Background Art

[0002] In the process of expanding the air compressor sales business, sales personnel usually make an appointment with customers to conduct on-site research in the production workshop. During the communication and observation process, sales personnel will record customer information, on-site equipment information parameters, photos or videos from various angles of the on-site workshop, workshop equipment operation status and other information, and then fill them in the system's survey form. The system automatically estimates the unit energy consumption based on the filled-in equipment information parameters, generates targeted energy-saving plans and estimated benefits, and promotes subsequent energy-saving projects.

[0003] Unit energy consumption is calculated based on electricity consumption and gas production, but during the project research process, electricity consumption and gas production are usually not directly available, and specific data can only be obtained by installing measuring equipment such as electric meters and flow meters. In this case, the only data that sales staff can directly obtain are the nameplate exhaust volume, total operating time, load operating time, machine year, etc. that can be directly reflected on the machine. The energy efficiency data of the customer's factory equipment often reflects whether a project has room for transformation, but in the early stage of the project, it is usually impossible to directly obtain the energy efficiency data of the air compressor during the research process, and it is necessary to install electric meters, flow meters and other equipment for measurement, which is time-consuming and labor-intensive. Summary of the invention

[0004] In view of the above-mentioned deficiencies in the prior art, the present invention provides an algorithm for estimating unit energy consumption of an air compressor, the purpose of which is to evaluate the production efficiency of an enterprise's air compressor, improve the project transaction rate of sales personnel, and help the enterprise achieve the goal of energy conservation and emission reduction.

[0005] In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is:

[0006] An algorithm for estimating unit energy consumption of an air compressor comprises the following steps:

[0007] Step 1: Calculate the load factor:

[0008] Load rate (%) = load operation time / total operation time × 100%;

[0009] Step 2: Calculate the full load gas production:

[0010] Full load gas production (m 3 / min) = Exhaust volume (m 3 / min)×0.94×(1-number of years from machine year to current year×0.01);

[0011] Step 3: Calculate full load power consumption:

[0012] Full load power consumption (KWh) = [1-(exhaust pressure-operating pressure) / 0.1×0.05)]×specific power×estimated full load gas production;

[0013] Step 4: Calculate the load power:

[0014] Load power (KWh) = full load power consumption (KWh) × load rate (%) ÷ 100;

[0015] Step 5: Calculate no-load power:

[0016] No-load power consumption (KWh) = full-load power consumption (KWh) × 0.35 × (100-load rate (%)) ÷ 100;

[0017] Step 6: Calculate power consumption:

[0018] Power consumption (KWh) = load power (KWh) + no-load power (KWh);

[0019] Step 7: Calculate gas production:

[0020] Gas production (m 3 ) = estimated full load gas production × 60 (min) × load rate (%) ÷ 100;

[0021] Step 8: Calculate unit energy consumption:

[0022] Unit energy consumption (KW / h / Nm 3 )=Power consumption (KWh)÷Gas production (m 3 ).

[0023] The beneficial effects of the present invention are:

[0024] 1. An air compressor unit energy consumption estimation algorithm of the present invention directly estimates the customer's energy efficiency data based on basic data, which saves costs and improves efficiency to a certain extent.

[0025] 2. An algorithm for estimating unit energy consumption of an air compressor of the present invention can intelligently generate an energy-saving transformation report based on basic data, reflecting the data comparison before and after the transformation, highlighting the project value, and improving the sales conversion rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a flow chart of precalculating unit energy consumption of the present invention. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present invention are clearly and completely described below in conjunction with the accompanying drawings.

[0028] like Figure 1As shown in the figure, an algorithm for estimating unit energy consumption of air compressors can intelligently calculate the unit energy consumption data of the customer's entire factory equipment based on equipment information parameters.

[0029] Sales personnel obtain customer information and on-site equipment information parameters through field visits and interviews, and calculate the unit energy consumption of the entire plant based on these basic equipment information parameters.

[0030] Among them, the key information parameters that must be filled in the survey form include the equipment's nameplate displacement, total operating time, load operating time, machine year, etc.

[0031] The steps for calculating the estimated unit energy consumption of an air compressor are as follows:

[0032] Step 1: Calculate the load factor:

[0033] Load rate (%) = load operation time / total operation time × 100%;

[0034] Among them, the load running time and the total running time can be replaced by the current load time and the current running time, and the data will be more accurate.

[0035] Step 2: Calculate the full load gas production:

[0036] Full load gas production (m 3 / min) = Exhaust volume (m 3 / min)×0.94×(1-number of years from machine year to current year×0.01);

[0037] Among them, the machine age is multiplied by a coefficient of 0.94, and it decreases by 0.01 each year.

[0038] Step 3: Calculate full load power consumption:

[0039] Full load power consumption (KWh) = [1-(exhaust pressure-operating pressure) / 0.1×0.05)]×specific power×estimated full load gas production.

[0040] Step 4: Calculate the load power:

[0041] Load power (KWh) = full load power consumption (KWh) × load factor (%) ÷ 100.

[0042] Step 5: Calculate no-load power:

[0043] No-load power consumption (KWh) = full-load power consumption (KWh) × 0.35 × (100-load rate (%)) ÷ 100.

[0044] Step 6: Calculate power consumption:

[0045] Power consumption (KWh) = load power (KWh) + no-load power (KWh).

[0046] Step 7: Calculate gas production:

[0047] Gas production (m 3 ) = estimated full load gas production × 60 (min) × load rate (%) ÷ 100.

[0048] Step 8: Calculate unit energy consumption:

[0049] Unit energy consumption (KW / h / Nm 3 )=Power consumption (KWh)÷Gas production (m 3 ).

[0050] The present invention provides an algorithm for estimating unit energy consumption of an air compressor. The algorithm estimates the unit energy consumption data of the entire factory of a customer factory through data such as nameplate exhaust volume, total operating time, load operating time, and machine year.

[0051] An air compressor unit energy consumption estimation algorithm of the present invention directly estimates the energy efficiency data of the customer based on basic data, which saves costs and improves efficiency to a certain extent.

[0052] An algorithm for estimating unit energy consumption of an air compressor of the present invention can intelligently generate an energy-saving transformation report based on basic data, reflect the data comparison before and after the transformation, highlight the project value, and improve the sales conversion rate.

[0053] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An algorithm for estimating unit energy consumption of an air compressor, characterized in that: The following steps are involved: Step 1: Calculate the load factor: Load rate (%) = load operation time / total operation time × 100%; Step 2: Calculate the full load gas production: Full load gas production (m 3 / min) = Exhaust volume (m 3 / min)×0.94×(1-number of years from machine year to current year×0.01); Step 3: Calculate full load power consumption: Full load power consumption (KWh) = [1-(exhaust pressure-operating pressure) / 0.1×0.05)]×specific power×estimated full load gas production; Step 4: Calculate the load power: Load power (KWh) = full load power consumption (KWh) × load rate (%) ÷ 100; Step 5: Calculate no-load power: No-load power consumption (KWh) = full-load power consumption (KWh) × 0.35 × (100-load rate (%)) ÷ 100; Step 6: Calculate power consumption: Power consumption (KWh) = load power (KWh) + no-load power (KWh); Step 7: Calculate gas production: Gas production (m 3 ) = estimated full load gas production × 60 (min) × load rate (%) ÷ 100; Step 8: Calculate unit energy consumption: Unit energy consumption (KW / h / Nm 3 )=Power consumption (KWh)÷Gas production (m 3 ).

Images