CN-122017338-A - Energy consumption metering system and detection method for low-voltage high-power equipment of lime kiln

CN122017338ACN 122017338 ACN122017338 ACN 122017338ACN-122017338-A

Abstract

The invention relates to an energy consumption metering system for low-voltage high-power equipment of a lime kiln and a detection method, wherein the energy consumption metering system comprises at least one intelligent ammeter and a PLC control system, the intelligent ammeter is arranged on lime kiln configuration equipment and is connected with the PLC control system through a switch, the intelligent ammeter is used for collecting electric energy signals of the lime kiln configuration equipment, the detection flow is that the collecting signal-the PLC controls the operation frequency of a frequency converter according to the received signals, the intelligent ammeter is arranged so as to detect the electric energy signals of the lime kiln configuration equipment in real time to know the energy consumption condition, and the PLC control system is used for controlling and optimizing the operation of the lime kiln configuration equipment, so that the aim of saving energy consumption is achieved, energy waste is avoided, and economic benefits are improved.

Inventors

YANG YURUN
FU LI
LIU LIN
YU DAOYONG
CHEN WENXUE
NIE WENMEI
ZHANG LEI
LI XIANGDONG
WANG JINGJING
WANG JIALIANG

Assignees

上海宝冶冶金工程有限公司
上海宝冶集团有限公司

Dates

Publication Date: 20260512
Application Date: 20260119

Claims (10)

1. The energy consumption metering system for the lime kiln low-voltage high-power equipment is characterized by comprising at least one intelligent ammeter and a PLC control system; The intelligent electric meter is arranged on lime kiln configuration equipment and is connected with the PLC control system through an exchanger; The intelligent ammeter is used for collecting electric energy signals of the lime kiln configuration equipment.
2. The energy consumption metering system for the lime kiln low-voltage high-power equipment according to claim 2, wherein an RJ45 communication interface is arranged on the intelligent ammeter, and the RJ45 communication interface adopts a standard Modbus TCP communication protocol.
3. The energy consumption metering system for the lime kiln low-voltage high-power equipment, as claimed in claim 1, is characterized in that the interaction machine adopts a 24-port interaction machine.
4. The energy consumption metering system for low-voltage high-power equipment of a lime kiln according to claim 1, wherein the lime kiln configuration equipment comprises at least one of a combustion fan, a lime cooling fan, an exhaust gas dust removal fan, a winch, a belt conveyor, a raw material dust removal fan, a finished product dust removal fan and a gas pressurization fan.
5. The energy consumption metering system for the low-voltage high-power equipment of the lime kiln of claim 1, further comprising an exhaust gas detection assembly, wherein the exhaust gas detection assembly is arranged at an exhaust port of the lime kiln, and the exhaust gas detection assembly is connected with the PLC control system; The waste gas detection component is used for collecting the content of CO and O2 in the waste gas of the lime kiln in real time.
6. The energy consumption metering system for low-voltage high-power equipment of a lime kiln as set forth in claim 5, wherein the exhaust gas detection assembly comprises a carbon monoxide gas alarm and an oxygen gas alarm, both of which are arranged at the exhaust port of the lime kiln, and both of which are connected with the PLC control system.
7. A method for detecting an energy consumption metering system for low-voltage high-power equipment of a lime kiln according to any one of claims 1 to 6 is characterized by comprising the following steps: collecting electric energy signals of the lime kiln configuration equipment in real time through the intelligent electric meter, transmitting the collected electric energy signals to the PLC control system through the interaction machine, and/or collecting CO and O2 content information in lime kiln waste gas in real time through the waste gas detection assembly, and transmitting the collected information to the PLC control system; And the PLC control system controls the operation frequency of the frequency converter according to the received electric energy signal and/or the received CO and O2 content information in the lime kiln waste gas.
8. The method for detecting the energy consumption metering system for the low-voltage high-power equipment of the lime kiln according to claim 7, wherein the PLC control system controls the operating frequency of the frequency converter according to the received electric energy signal and/or the received information of the content of CO and O2 in the waste gas of the lime kiln, and the method comprises the following steps: the PLC control system controls the operation frequency of the frequency converter according to the received electric energy signal so as to control the operation of the combustion-supporting fan and/or the gas pressurizing fan; And/or the PLC control system controls the operation frequency of the frequency converter according to the received CO and O2 content information in the lime kiln waste gas so as to control the operation of the combustion-supporting fan and/or the gas pressurizing fan.
9. The method for detecting the energy consumption metering system for the lime kiln low-voltage high-power equipment according to claim 8, wherein the PLC control system controls the operation frequency of the frequency converter according to the received electric energy signal so as to control the operation of the combustion fan and/or the gas booster fan, and the method comprises the following steps: obtaining gas quantity according to the 600TPD capacity of the lime kiln and the gas heat value, and sending and starting a No. 1 gas booster fan and a No.2 gas booster fan to a frequency converter through the PLC control system; and (3) configuring combustion-supporting air quantity according to the gas quantity, sending 1# to 3# combustion-supporting fans to the frequency converter through the PLC control system, and adjusting the air quantity of the combustion-supporting fans through the frequency converter if deviation exists.
10. The method for detecting the energy consumption metering system for the low-voltage high-power equipment of the lime kiln according to claim 9, wherein the PLC control system controls the operating frequency of the frequency converter according to the received CO and O2 content information in the waste gas of the lime kiln so as to control the operation of the combustion fan and/or the gas pressurizing fan, and the method comprises the following steps: And the PLC control system judges the operating frequency output to the frequency converter according to the received CO and O2 content information in the lime kiln waste gas, and when the CO or O2 content in the fed-back lime kiln waste gas is low, the PLC control system performs corresponding operation to control the operating frequency of the frequency converter to reduce so as to control the rotating speed of the combustion-supporting fan to reduce.

Description

Energy consumption metering system and detection method for low-voltage high-power equipment of lime kiln Technical Field The invention relates to the technical field of industrial lime kilns, in particular to an energy consumption metering system for low-voltage high-power equipment of a lime kiln and a detection method. Background Currently, lime kilns are kilns that are used to calcine limestone to produce quicklime. During production, limestone and fuel are filled into a lime kiln, decomposition is started to 850 ℃ after preheating, calcination is completed to 1200 ℃, and the limestone and fuel are discharged out of the kiln after cooling, so that the production of quick lime is completed. The lime kiln is mainly used for calcining lime by releasing heat through gas combustion, and the gas fuel used by the lime kiln is converter gas or blast furnace and coke oven mixed gas. In the past, the calcined lime is mainly prepared by adjusting each process parameter according to the combination of the theoretical process parameter range given by the original design unit and the actual experience of the staff site, but in the process, the real-time monitoring of the energy consumption is lacking, the energy consumption condition can be known only in the process of monthly settlement, so that the energy consumption is suddenly high and suddenly low, a large amount of energy is wasted, and the requirement of saving the energy consumption cannot be met. Disclosure of Invention Aiming at the defects existing in the prior art, the invention aims to provide the energy consumption metering system and the detection method for the low-voltage high-power equipment of the lime kiln, which have the advantages of being capable of knowing the energy consumption condition in real time, saving the energy consumption, avoiding energy waste and improving the economic benefit. The energy consumption metering system for the lime kiln low-voltage high-power equipment comprises at least one intelligent electric meter and a PLC control system, wherein the intelligent electric meter is arranged on lime kiln configuration equipment and is connected with the PLC control system through a switch, and the intelligent electric meter is used for collecting electric energy signals of the lime kiln configuration equipment. Preferably, in the energy consumption metering system for the lime kiln low-voltage high-power equipment provided by the invention, the intelligent ammeter is provided with an RJ45 communication interface, and the RJ45 communication interface adopts a standard Modbus TCP communication protocol. Preferably, the energy consumption metering system for the lime kiln low-voltage high-power equipment provided by the invention is characterized in that the interaction machine adopts a 24-port interaction machine. Preferably, the energy consumption metering system for the low-pressure high-power equipment of the lime kiln provided by the invention comprises at least one of a combustion-supporting fan, a lime cooling fan, an exhaust gas dust-removing fan, a winch, a belt conveyor, a raw material dust-removing fan, a finished product dust-removing fan and a coal gas pressurizing fan. Preferably, the energy consumption metering system for the lime kiln low-voltage high-power equipment further comprises an exhaust gas detection assembly, wherein the exhaust gas detection assembly is arranged at an exhaust port of the lime kiln, the exhaust gas detection assembly is connected with the PLC control system, and the exhaust gas detection assembly is used for collecting the content of CO and O2 in the exhaust gas of the lime kiln in real time. Preferably, the energy consumption metering system for the lime kiln low-voltage high-power equipment provided by the invention comprises a carbon monoxide gas alarm and an oxygen gas alarm, wherein the carbon monoxide gas alarm and the oxygen gas alarm are both arranged at the waste exhaust port of the lime kiln, and the carbon monoxide gas alarm and the oxygen gas alarm are both connected with the PLC control system. On the other hand, the invention provides a detection method of the energy consumption metering system for the lime kiln low-voltage high-power equipment, which comprises the following steps: collecting electric energy signals of the lime kiln configuration equipment in real time through the intelligent electric meter, transmitting the collected electric energy signals to the PLC control system through the interaction machine, and/or collecting CO and O2 content information in lime kiln waste gas in real time through the waste gas detection assembly, and transmitting the collected information to the PLC control system; And the PLC control system controls the operation frequency of the frequency converter according to the received electric energy signal and/or the received CO and O2 content information in the lime kiln waste gas. Preferably, the method for detecting the energy consumption me