CN112000031A - Equipment remote maintenance pipe system based on regenerated metal smelting - Google Patents
Equipment remote maintenance pipe system based on regenerated metal smelting Download PDFInfo
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- CN112000031A CN112000031A CN202010873258.8A CN202010873258A CN112000031A CN 112000031 A CN112000031 A CN 112000031A CN 202010873258 A CN202010873258 A CN 202010873258A CN 112000031 A CN112000031 A CN 112000031A
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Abstract
The invention discloses a remote maintenance system of equipment based on regenerative metal smelting, which comprises a controller, a combustible gas monitoring module, a temperature monitoring module, a dust monitoring and clearing module, a spark monitoring module, a wind power monitoring module, a data storage module and a comprehensive control module, wherein the combustible gas monitoring module is connected with the temperature monitoring module; the combustible gas monitoring module is arranged, and the arrangement eliminates the hidden danger of explosion caused by the accumulation of combustible and explosive gases; the invention is provided with the temperature monitoring module, and the total proportional valve of the high-temperature cooling module and the low-temperature heat-preservation module is controlled according to the monitoring data of each temperature probe so as to achieve the purpose of keeping constant temperature and ensure the reasonability and stability of the inlet temperature of the low-pressure pulse bag-type dust removal system; the invention is provided with the spark monitoring module, and the arrangement effectively prevents the cloth bag from being burnt by sparks; the dust monitoring and cleaning module is arranged, and the dust in the low-pressure pulse bag-type dust removal system can be effectively and timely cleaned.
Description
Technical Field
The invention belongs to the technical field of regeneration metal smelting, and particularly relates to a remote maintenance pipe system of equipment based on regeneration metal smelting.
Background
The metal regeneration refers to a metallurgical process for recovering valuable metals from metal-containing waste impurities, and the regeneration raw materials of the metals are mainly waste metal materials or waste metal chemical products, so that the metal regeneration has great significance from the viewpoints of comprehensive utilization of resources, environmental protection or economy, and the regenerated metals become one of the main sources of non-ferrous metals as the metal resources in the earth are increasingly reduced.
Metal smelting can produce a large amount of high temperature waste gas, discharges the waste gas of so high temperature to the atmosphere, not only causes air pollution, has wasted a lot of energy moreover, has accelerated the warm effect of earth, and the processing procedure of waste gas is complicated and complicated, consequently needs a remote dimension system of exhaust-gas treatment equipment, but the remote dimension system monitoring data of current equipment is single, and can not implement effectual processing mode to the monitoring result, consequently needs further improvement and perfect.
Disclosure of Invention
The invention provides a remote maintenance pipe system of equipment based on recycled metal smelting.
The purpose of the invention can be realized by the following technical scheme: a remote maintenance system of equipment based on regenerative metal smelting comprises a controller, a combustible gas monitoring module, a temperature monitoring module, a dust monitoring and clearing module, a data storage module and a comprehensive control module;
combustible gas monitoring module is arranged in diluting the interior combustible gas of system to the explosion limit to control the combustible gas of dilution valve in to the explosion limit dilution system and rationally dilute, combustible gas monitoring module includes combustible gas monitor cell, combustible gas information analysis unit and dilution valve control unit, combustible gas monitor cell includes a plurality of combustible gas monitor, dilution valve control unit includes two parallelly connected dilution valves and dilution valve drive node, and concrete monitoring step is:
z1: the combustible gas monitoring probes are uniformly distributed in the explosion limit dilution system, the combustible gas in the explosion limit dilution system is monitored in real time through the combustible gas monitoring probes, and the monitoring values of the combustible gas monitoring probes are marked as AiI is 1,2, … …, n, i is the ith combustible gas monitoring probe in the explosion limit dilution system, and the monitoring value A is obtainediSending the information to a combustible gas information analysis node;
z2: combustible gas information analysis unit passing formula
Obtaining the explosion coefficient Q of the combustible gas in the explosion limit dilution system, wherein alpha is a specific proportionality coefficient; when Q is more than or equal to L1 or any AiWhen the fuel gas information analysis unit is not less than L2, the fuel gas information analysis unit sends a dilution starting instruction to the dilution valve control unit, wherein 0<L1<L2, L2 ═ 1+ β × L1, L1, L2 are preset thresholds, β is a specific proportionality coefficient, and β is>0；
Z3: after the dilution valve control unit receives a dilution starting instruction, the dilution valve driving node drives two parallel dilution valves to dilute the combustible gas in the explosion limit dilution system;
z4: when Q is<L1 and any Ai<At L2, the combustible gas information analysis unit sends a dilution stopping instruction to the dilution valve control unit, and after the dilution valve control unit receives the dilution stopping instruction, the dilution valve driving node stops driving the two parallel dilution valves;
z5: the combustible gas monitoring module sends the monitoring value A of a plurality of combustible gas monitoring probesiThe explosion coefficient Q, the start dilution instruction sending record and the stop dilution instruction sending record are sent to a data storage module through a controllerStoring the rows;
the temperature monitoring module is used for monitoring the temperature in the constant temperature system to adjust the temperature in the constant temperature system according to the monitoring result, the temperature monitoring module includes proportional valve unit and temperature monitoring unit, the proportional valve unit includes a plurality of proportional valves, the temperature monitoring unit includes temperature monitoring node and temperature analysis node, and concrete monitoring step is:
x1: monitoring the inlet and outlet temperatures of the constant temperature system in real time through the temperature monitoring node, and marking the monitored temperature value as S1And S2In which S is1Is the temperature monitoring value S of the inlet of the constant temperature system2Is the temperature monitoring value of the outlet of the constant temperature system and the temperature value S1And S2Sending the data to a temperature analysis node;
x2: the temperature analysis node receives a temperature value S1And S2Then, by the formula
Acquiring a temperature coefficient W of the constant temperature system, wherein gamma is a preset proportionality coefficient; when the temperature coefficient W is larger than a preset threshold value, the temperature analysis node sends a temperature regulation starting instruction to the proportional valve unit;
x3: after receiving the temperature adjustment starting instruction, the proportional valve unit adjusts the temperature in the constant temperature system through the proportional valve, when the temperature coefficient W is smaller than or equal to a preset threshold value, the temperature analysis node sends a temperature adjustment stopping instruction to the proportional valve unit, and after receiving the temperature adjustment stopping instruction, the proportional valve unit stops adjusting the temperature in the constant temperature system;
x4: the temperature monitoring module is used for measuring the temperature S1And S2The temperature coefficient W, the temperature regulation starting instruction record and the temperature regulation stopping instruction record are sent to the data storage module through the controller to be stored;
the dust monitoring and removing module is used for monitoring the pressure in the low-pressure pulse bag dust removal system and removing ash to the system according to the monitoring result, the dust monitoring and removing module comprises a pressure monitoring unit, an ash removal control unit and an electromagnetic pulse valve unit, the pressure monitoring unit comprises a plurality of pressure monitoring probes, and the specific monitoring and removing steps are as follows:
c1: monitoring the pressure value in the low-pressure pulse bag-type dust removal system in real time through a plurality of pressure monitoring probes, and marking the pressure value as DjJ is 1,2, … …, m, where j denotes the jth pressure monitoring probe;
c2: by the formula
Acquiring a pressure safety coefficient Y of the low-pressure pulse bag dust removal system, wherein the pressure safety coefficient Y is a specific proportionality coefficient; when the pressure safety coefficient Y is larger than a preset threshold value, the pressure monitoring unit sends an ash removal execution instruction to the ash removal control unit, and the ash removal control unit controls the electromagnetic pulse valve unit to blow;
c3: when the pressure safety coefficient Y is smaller than or equal to a preset threshold value, the pressure monitoring unit sends a deashing stop instruction to the deashing control unit, and the deashing control unit controls the electromagnetic pulse valve to stop working;
c4: the dust monitoring and removing module is used for monitoring and removing the pressure value DjAnd the pressure safety factor Y, the ash cleaning execution instruction sending record and the ash cleaning stopping instruction sending record are sent to the data storage module through the controller for storage.
Preferably, the system further comprises a mars monitoring module, the mars monitoring module is arranged between the constant temperature system and the low-pressure pulse bag dust removal system and used for monitoring mars which accidentally enters between the two systems, the mars monitoring module comprises a mars monitoring unit and a mars alarm unit, the mars monitoring unit comprises a plurality of uniformly distributed infrared mars detectors, when the mars detectors monitor the mars, the monitoring results are recorded as 1, otherwise, the monitoring results are recorded as 0, and the specific monitoring steps are as follows:
v1: monitoring sparks between the two systems by a plurality of infrared spark detectors, and marking the monitoring result as FkK is 1,2, … …, p, wherein k is the number of the infrared detector;
v2: through a maleFormula (II)
Acquiring a Mars monitoring coefficient H, wherein k1 is the number of monitoring results marked as 1 and is a specific proportionality coefficient;
v3: when the Mars monitoring coefficient H is larger than a preset threshold value, the Mars alarm unit sends a Mars alarm instruction to the comprehensive control module through the controller, and a monitoring result F is obtainedkAnd Fk1And the mars alarm instruction sending record is sent to the data storage module through the controller to be stored.
Preferably, the system still includes wind-force monitoring module, wind-force monitoring module is used for monitoring the amount of wind of each smelting stage and regulates and control the amount of wind according to predetermineeing the threshold value, wind-force monitoring module includes wind-force monitoring unit and wind control unit, the smelting stage includes that the baker feeds in raw material, blows oxygen rake sediment, deoxidization reduction and heat preservation drain, and concrete monitoring step is:
b1: the wind power monitoring unit is used for monitoring the wind volume of each smelting stage in real time, and the wind power value monitored in four stages of oven charging, oxygen blowing and slag raking, deoxidization and reduction and heat preservation and water drainage is marked as G1、G2、G3And G4；
B2: when the wind power value G1When the air pressure value is more than or equal to L3, the air pressure monitoring unit sends an air pressure adjusting instruction to the air pressure control unit through the comprehensive control module, and the air pressure control unit adjusts the air volume of the oven in the charging stage until the air pressure value G1L3 is less than or equal to; when the wind power value G2<And L4, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the wind volume in the stage of oxygen blowing and slag raking until the wind power value G2Not less than L4; when the wind power value G3<And L5, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the wind volume in the deoxidization reduction stage until the wind power value G3Not less than L5; when the wind power value G4When the water level is not less than L6, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the heat preservation water drainage stageAir quantity up to G4<L6; wherein L3, L4, L5 and L6 are preset thresholds and 0<L3≤L4<L5<L6。
Preferably, the comprehensive control module comprises an early warning display unit and a threshold adjusting unit, the threshold adjusting unit is used for adjusting the preset threshold of each module through an intelligent terminal by a user, the intelligent terminal comprises a notebook computer and an intelligent mobile phone, and the early warning display unit comprises a combustible gas monitoring display partition, a temperature monitoring display partition, a dust monitoring clearing display partition, a mars monitoring display partition and a wind power monitoring display partition; the combustible gas monitoring and displaying subareas display the monitoring value A in real time through a histogramiThe explosion coefficient Q is displayed in a circle when Q is more than or equal to L1 or any AiWhen L2 is equal to or more than L, the circle is filled with red, otherwise, the circle is filled with green; the temperature monitoring display subarea displays the temperature monitoring values S of the inlet and the outlet of the constant temperature system in real time1And S2The temperature coefficient W is displayed in the rectangle, when the temperature coefficient W is larger than a preset threshold value, the rectangle is filled with red, otherwise, the rectangle is filled with green; the dust monitoring clearing display partition displays a pressure value D in real time through a column diagramjThe pressure safety coefficient is displayed in the triangle, when the pressure safety coefficient Y is smaller than or equal to a preset threshold value, the triangle is filled with red, otherwise, the triangle is filled with green; the Mars monitoring display partition is used for displaying the total number marked with 1 and the total number marked with 0 of the monitoring results by dividing the pie chart into two parts, the Mars monitoring coefficient H is displayed in the square, when the Mars monitoring coefficient H is larger than a preset threshold value, the square is filled with red, otherwise, the square is filled with green; the wind power monitoring and displaying subareas display the wind power value G through a line graph1、G2、G3And G4When the wind power value reaches the condition of sending the wind power adjusting command in the step B2, the corresponding wind power value is marked with red, otherwise, the corresponding wind power value is marked with green.
Preferably, the constant temperature system includes high temperature cooling module and low temperature heat preservation module, high temperature cooling module and low temperature heat preservation module respectively set up a proportional valve, constant temperature system's input port and delivery outlet respectively set up a temperature monitoring probe.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with the combustible gas monitoring module which is used for monitoring the combustible gas in the explosion limit dilution system and controlling the dilution valve to reasonably dilute the combustible gas in the explosion limit dilution system, and the arrangement eliminates the explosion hidden trouble caused by the accumulation of combustible and explosive gases;
2. the constant-temperature pulse bag dust removal system is provided with the temperature monitoring module, the temperature monitoring module is used for monitoring the temperature in the constant-temperature system and adjusting the temperature in the constant-temperature system according to a monitoring result, and the total proportional valve of the high-temperature cooling module and the low-temperature heat preservation module is controlled according to the monitoring data of each temperature probe so as to achieve the purpose of keeping the temperature and ensure the reasonable and stable inlet temperature of the low-pressure pulse bag dust removal system;
3. the spark monitoring module is arranged between the constant temperature system and the low-pressure pulse bag dust removal system and is used for monitoring sparks which accidentally enter between the constant temperature system and the low-pressure pulse bag dust removal system, and the arrangement effectively prevents the bag from being burnt due to the sparks;
4. the dust monitoring and removing module is arranged and used for monitoring the pressure in the low-pressure pulse bag-type dust removal system and cleaning dust in the system according to the monitoring result, and the dust monitoring and removing module effectively and punctually cleans the dust in the low-pressure pulse bag-type dust removal system;
5. the invention is provided with the wind power monitoring module which is used for monitoring the air volume of each smelting stage and regulating and controlling the air volume according to the preset threshold value, and the arrangement ensures that each stage of smelting can smoothly and efficiently complete tasks.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of the principle of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood 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.
As shown in figure 1, the remote maintenance system of the equipment based on the regenerated metal smelting comprises a controller, a combustible gas monitoring module, a temperature monitoring module, a dust monitoring and clearing module, a spark monitoring module, a wind power monitoring module, a data storage module and a comprehensive control module;
combustible gas monitoring module is used for monitoring combustible gas in the system is diluted to the explosion limit to the combustible gas of control dilution valve in to the system is diluted rationally to the explosion limit, combustible gas monitoring module includes combustible gas monitoring unit, combustible gas information analysis unit and dilution valve control unit, combustible gas monitoring unit includes a plurality of combustible gas monitor, dilution valve control unit includes two dilution valves and dilution valve drive node that connect in parallel, concrete monitoring step is:
z1: the combustible gas monitoring probes are uniformly distributed in the explosion limit dilution system, the combustible gas in the explosion limit dilution system is monitored in real time through the combustible gas monitoring probes, and the monitoring values of the combustible gas monitoring probes are marked as AiI is 1,2, … …, n, i is the ith combustible gas monitoring probe in the explosion limit dilution system, and the monitoring value A is obtainediSending the information to a combustible gas information analysis node;
z2: combustible gas information analysis unit passing formula
ObtainingThe explosion coefficient Q of the combustible gas in the explosion limit dilution system, wherein alpha is a specific proportionality coefficient; when Q is more than or equal to L1 or any AiWhen the fuel gas information analysis unit is not less than L2, the fuel gas information analysis unit sends a dilution starting instruction to the dilution valve control unit, wherein 0<L1<L2, L2 ═ 1+ β × L1, L1, L2 are preset thresholds, β is a specific proportionality coefficient, and β is>0；
Z3: after the dilution valve control unit receives a dilution starting instruction, the dilution valve driving node drives two parallel dilution valves to dilute the combustible gas in the explosion limit dilution system;
z4: when Q is<L1 and any Ai<At L2, the combustible gas information analysis unit sends a dilution stopping instruction to the dilution valve control unit, and after the dilution valve control unit receives the dilution stopping instruction, the dilution valve driving node stops driving the two parallel dilution valves;
z5: the combustible gas monitoring module sends the monitoring value A of a plurality of combustible gas monitoring probesiThe explosion coefficient Q, the starting dilution instruction sending record and the stopping dilution instruction sending record are sent to the data storage module through the controller to be stored;
the temperature monitoring module is used for monitoring the temperature in the constant temperature system and adjusting the temperature in the constant temperature system according to the monitoring result, the temperature monitoring module comprises a proportional valve unit and a temperature monitoring unit, the proportional valve unit comprises a plurality of proportional valves, the temperature monitoring unit comprises a temperature monitoring node and a temperature analysis node, and the specific monitoring step is as follows:
x1: monitoring the inlet and outlet temperatures of the constant temperature system in real time through the temperature monitoring node, and marking the monitored temperature value as S1And S2In which S is1Is the temperature monitoring value S of the inlet of the constant temperature system2Is the temperature monitoring value of the outlet of the constant temperature system and the temperature value S1And S2Sending the data to a temperature analysis node;
x2: the temperature analysis node receives the temperature value S1And S2Then, by the formula
Acquiring a temperature coefficient W of the constant temperature system, wherein gamma is a preset proportionality coefficient; when the temperature coefficient W is larger than a preset threshold value, the temperature analysis node sends a temperature regulation starting instruction to the proportional valve unit;
x3: after receiving the temperature adjustment starting instruction, the proportional valve unit adjusts the temperature in the constant temperature system through the proportional valve, when the temperature coefficient W is smaller than or equal to a preset threshold value, the temperature analysis node sends a temperature adjustment stopping instruction to the proportional valve unit, and after receiving the temperature adjustment stopping instruction, the proportional valve unit stops adjusting the temperature in the constant temperature system;
x4: the temperature monitoring module measures the temperature S1And S2The temperature coefficient W, the temperature regulation starting instruction record and the temperature regulation stopping instruction record are sent to the data storage module through the controller to be stored;
the dust monitoring and removing module is used for monitoring the pressure in the low-pressure pulse bag dust removal system and removing ash to the system according to the monitoring result, the dust monitoring and removing module comprises a pressure monitoring unit, an ash removal control unit and an electromagnetic pulse valve unit, the pressure monitoring unit comprises a plurality of pressure monitoring probes, and the specific monitoring and removing step is as follows:
c1: monitoring the pressure value in the low-pressure pulse bag-type dust removal system in real time through a plurality of pressure monitoring probes, and marking the pressure value as DjJ is 1,2, … …, m, where j denotes the jth pressure monitoring probe;
c2: by the formula
Acquiring a pressure safety coefficient Y of the low-pressure pulse bag dust removal system, wherein the pressure safety coefficient Y is a specific proportionality coefficient; when the pressure safety coefficient Y is larger than a preset threshold value, the pressure monitoring unit sends an ash removal execution instruction to the ash removal control unit, and the ash removal control unit controls the electromagnetic pulse valve unit to blow;
c3: when the pressure safety coefficient Y is smaller than or equal to a preset threshold value, the pressure monitoring unit sends a deashing stop instruction to the deashing control unit, and the deashing control unit controls the electromagnetic pulse valve to stop working;
c4: the dust monitoring and removing module is used for monitoring and removing the pressure value DjAnd the pressure safety factor Y, the ash cleaning execution instruction sending record and the ash cleaning stopping instruction sending record are sent to the data storage module through the controller for storage.
The mars monitoring module sets up between constant temperature system and low pressure pulse sack dust pelletizing system for the mars that the monitoring is accidental to get into between two systems, mars monitoring module includes mars monitoring unit and mars alarm unit, and mars monitoring unit includes a plurality of evenly distributed's infrared mars detector, and when the mars was monitored to infrared mars detector, then mark 1 with the monitoring result, otherwise the monitoring result marks 0, and concrete monitoring step is:
v1: monitoring sparks between the two systems by a plurality of infrared spark detectors, and marking the monitoring result as FkK is 1,2, … …, p, wherein k is the number of the infrared detector;
v2: by the formula
Acquiring a Mars monitoring coefficient H, wherein k1 is the number of monitoring results marked as 1 and is a specific proportionality coefficient;
v3: when the Mars monitoring coefficient H is larger than a preset threshold value, the Mars alarm unit sends a Mars alarm instruction to the comprehensive control module through the controller, and a monitoring result F is obtainedkAnd Fk1And the mars alarm instruction sending record is sent to the data storage module through the controller to be stored.
The wind power monitoring module is used for monitoring the air quantity of each smelting stage and regulating and controlling the air quantity according to a preset threshold value, the wind power monitoring module comprises a wind power monitoring unit and a wind power control unit, the smelting stage comprises oven charging, oxygen blowing and slag raking, deoxidization reduction and heat preservation water drainage, and the specific monitoring steps are as follows:
b1: the wind power monitoring unit is used for monitoring the wind volume of each smelting stage in real time, and the wind power value monitored in four stages of oven charging, oxygen blowing and slag raking, deoxidization and reduction and heat preservation and water drainage is marked as G1、G2、G3And G4；
B2: when the wind power value G1When the air pressure value is more than or equal to L3, the air pressure monitoring unit sends an air pressure adjusting instruction to the air pressure control unit through the comprehensive control module, and the air pressure control unit adjusts the air volume of the oven in the charging stage until the air pressure value G1L3 is less than or equal to; when the wind power value G2<And L4, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the wind volume in the stage of oxygen blowing and slag raking until the wind power value G2Not less than L4; when the wind power value G3<And L5, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the wind volume in the deoxidization reduction stage until the wind power value G3Not less than L5; when the wind power value G4When the wind power is not less than L6, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the wind volume in the heat preservation water discharging stage until G4<L6; wherein L3, L4, L5 and L6 are preset thresholds and 0<L3≤L4<L5<L6；
The comprehensive control module comprises an early warning display unit and a threshold adjusting unit, the threshold adjusting unit is used for adjusting preset thresholds of the modules through an intelligent terminal by a user, the intelligent terminal comprises a notebook computer and an intelligent mobile phone, and the early warning display unit comprises a combustible gas monitoring display partition, a temperature monitoring display partition, a dust monitoring clearing display partition, a mars monitoring display partition and a wind power monitoring display partition; the monitoring display subareas of the combustible gas display the monitoring value A in real time through a histogramiThe explosion coefficient Q is displayed in a circle when Q is more than or equal to L1 or any AiWhen L2 is equal to or more than L, the circle is filled with red, otherwise, the circle is filled with green; temperature monitoring display subarea real-time display constant temperature system inlet and outlet temperature monitoring value S1And S2The temperature coefficient W is displayed in the rectangle, when the temperature coefficient W is larger than a preset threshold value, the rectangle is filled with red, otherwise, the rectangle is filled with green; dust monitoring, clearing and displaying subareas display pressure value D in real time through column diagramjThe pressure safety coefficient is displayed in the triangle, when the pressure safety coefficient Y is smaller than or equal to the preset threshold value, the triangle is filled with red, otherwise, the triangle is filled with greenFilling; the Mars monitoring display partition is used for displaying the total number marked with 1 and the total number marked with 0 of the monitoring results by dividing the pie chart into two parts, the Mars monitoring coefficient H is displayed in the square, when the Mars monitoring coefficient H is larger than a preset threshold value, the square is filled with red, otherwise, the square is filled with green; the wind power monitoring display subareas display the wind power value G through a line graph1、G2、G3And G4When the wind power value reaches the condition of sending the wind power adjusting command in the step B2, the corresponding wind power value is marked with red, otherwise, the corresponding wind power value is marked with green.
The constant temperature system comprises a high temperature cooling module and a low temperature heat preservation module, the high temperature cooling module and the low temperature heat preservation module are respectively provided with a proportional valve, and an input port and an output port of the constant temperature system are respectively provided with a temperature monitoring probe.
The waste treatment process is that flue gas at the outlet of the flue enters an explosion limit dilution system, a constant temperature system, a spark capture system, a low-pressure pulse bag dust removal system, an induced draft fan system, a denitration system and a desulfurization system through a pipeline and a pipeline compensator, and the treated gas is discharged into the atmosphere after reaching the standard through a chimney.
The system still includes detonation monitoring pressure release module, detonation monitoring pressure release module is arranged in the detonation of monitoring system and in time carries out the pressure release, detonation monitoring pressure release module includes detonation monitoring unit, pressure release drive module and gravity self sealss valve, and concrete monitoring pressure release step does:
n1: the detonation monitoring units are used for monitoring the detonation of the modules in real time, when the detonation monitoring nodes monitor detonation phenomena, monitoring results are marked as 1, otherwise, the monitoring results are marked as 0, and the detonation monitoring results are marked as MxX is 1,2, … …, I, wherein x is the number of detonation monitoring nodes;
n2: when knock monitoring result MxWhen the pressure is 1, the deflagration monitoring unit sends deflagration pressure relief instructions to the pressure relief driving module through the controller, and the pressure relief driving module controls the gravity self-sealing valve to quickly relieve pressure;
n3: the detonation monitoring pressure relief module is used for monitoring a detonation monitoring result MxSent to the integrated control by the controllerModule and monitoring the result M of knockingxAnd the detonation pressure relief instruction sending record is sent to the data storage module through the controller for storage.
The above formulas are all quantitative calculation, the formula is a formula obtained by acquiring a large amount of data and performing software simulation to obtain the latest real situation, and the preset parameters in the formula are set by the technical personnel in the field according to the actual situation.
The working principle of the invention is as follows:
the invention monitors the combustible gas in the explosion limit dilution system in real time by a plurality of combustible gas monitoring probes to obtain a monitoring value AiAnd calculating the explosion coefficient Q by a formula, wherein when Q is more than or equal to L1 or any AiWhen the fuel gas is not less than L2, the combustible gas information analysis unit sends a dilution starting instruction to the dilution valve control unit; monitoring the inlet and outlet temperatures of the constant temperature system in real time through the temperature monitoring node, and marking the monitored temperature value as S1And S2The temperature coefficient W of the constant temperature system is obtained through a formula, when the temperature coefficient W is larger than a preset threshold value, the temperature analysis node sends a temperature regulation starting instruction to the proportional valve unit, and after the proportional valve unit receives the temperature regulation starting instruction, the temperature in the constant temperature system is regulated through the proportional valve; monitoring the pressure value in the low-pressure pulse bag-type dust removal system in real time through a plurality of pressure monitoring probes, and marking the pressure value as DjThe method comprises the steps that a pressure safety factor Y of a low-pressure pulse bag dust removal system is obtained through a formula, when the pressure safety factor Y is larger than a preset threshold value, a pressure monitoring unit sends a dust cleaning execution instruction to a dust cleaning control unit, and the dust cleaning control unit controls an electromagnetic pulse valve unit to blow; monitoring sparks between the two systems by a plurality of infrared spark detectors, and marking the monitoring result as FkAcquiring a Mars monitoring coefficient H through a formula, and when the Mars monitoring coefficient H is larger than a preset threshold value, sending a Mars alarm instruction to a comprehensive control module through a controller by a Mars alarm unit; the wind power monitoring unit is used for monitoring the wind volume of each smelting stage in real time, and the wind power value monitored in four stages of oven charging, oxygen blowing and slag raking, deoxidization and reduction and heat preservation and water drainage is marked as G1、G2、G3And G4Adjusting the wind power according to the preset wind power value of each stage to ensure that the wind power value of each stage is within a reasonable range; and monitoring the modules through the comprehensive control module, and controlling the modules through the intelligent terminal and the comprehensive control module.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the invention as defined in the following claims.
Claims (5)
1. A remote maintenance system of equipment based on regenerative metal smelting is characterized by comprising a controller, a combustible gas monitoring module, a temperature monitoring module, a dust monitoring and clearing module, a data storage module and a comprehensive control module;
combustible gas monitoring module is arranged in diluting the interior combustible gas of system to the explosion limit to control the combustible gas of dilution valve in to the explosion limit dilution system and rationally dilute, combustible gas monitoring module includes combustible gas monitor cell, combustible gas information analysis unit and dilution valve control unit, combustible gas monitor cell includes a plurality of combustible gas monitor, dilution valve control unit includes two parallelly connected dilution valves and dilution valve drive node, and concrete monitoring step is:
z1: the combustible gas monitoring probes are uniformly distributed in the explosion limit dilution system, the combustible gas in the explosion limit dilution system is monitored in real time through the combustible gas monitoring probes, and the monitoring values of the combustible gas monitoring probes are marked as AiI is 1,2, … …, n, i is the ith combustible gas monitoring probe in the explosion limit dilution system, and the monitoring value A is obtainediSending the information to a combustible gas information analysis node;
z2: combustible gas information analysis unit passing formula
Obtaining the explosion coefficient Q of the combustible gas in the explosion limit dilution system, wherein alpha is a specific proportionality coefficient; when Q is more than or equal to L1 or any AiWhen the fuel gas information analysis unit is larger than or equal to L2, the fuel gas information analysis unit sends a dilution starting command to the dilution valve control unit, wherein L1 is larger than 0 and smaller than L2, L2 is (1+ beta) xL 1, L1 and L2 are preset thresholds, beta is a specific proportional coefficient, and beta is larger than 0;
z3: after the dilution valve control unit receives a dilution starting instruction, the dilution valve driving node drives two parallel dilution valves to dilute the combustible gas in the explosion limit dilution system;
z4: when Q < L1 and any AiWhen the output signal is less than L2, the combustible gas information analysis unit sends a dilution stopping instruction to the dilution valve control unit, and after the dilution valve control unit receives the dilution stopping instruction, the dilution valve driving node stops driving the two parallel dilution valves;
z5: the combustible gas monitoring module sends the monitoring value A of a plurality of combustible gas monitoring probesiThe explosion coefficient Q, the starting dilution instruction sending record and the stopping dilution instruction sending record are sent to the data storage module through the controller to be stored;
the temperature monitoring module is used for monitoring the temperature in the constant temperature system to adjust the temperature in the constant temperature system according to the monitoring result, the temperature monitoring module includes proportional valve unit and temperature monitoring unit, the proportional valve unit includes a plurality of proportional valves, the temperature monitoring unit includes temperature monitoring node and temperature analysis node, and concrete monitoring step is:
x1: monitoring the inlet and outlet temperatures of the constant temperature system in real time through the temperature monitoring node, and marking the monitored temperature value as S1And S2In which S is1Is the temperature monitoring value S of the inlet of the constant temperature system2Is the temperature monitoring value of the outlet of the constant temperature system and the temperature value S1And S2Sending the data to a temperature analysis node;
x2: the temperature analysis node receives a temperature value S1And S2Then, by the formula
Acquiring a temperature coefficient W of the constant temperature system, wherein gamma is a preset proportionality coefficient; when the temperature coefficient W is larger than a preset threshold value, the temperature analysis node sends a temperature regulation starting instruction to the proportional valve unit;
x3: after receiving the temperature adjustment starting instruction, the proportional valve unit adjusts the temperature in the constant temperature system through the proportional valve, when the temperature coefficient W is smaller than or equal to a preset threshold value, the temperature analysis node sends a temperature adjustment stopping instruction to the proportional valve unit, and after receiving the temperature adjustment stopping instruction, the proportional valve unit stops adjusting the temperature in the constant temperature system;
x4: the temperature monitoring module is used for measuring the temperature S1And S2The temperature coefficient W, the temperature regulation starting instruction record and the temperature regulation stopping instruction record are sent to the data storage module through the controller to be stored;
the dust monitoring and removing module is used for monitoring the pressure in the low-pressure pulse bag dust removal system and removing ash to the system according to the monitoring result, the dust monitoring and removing module comprises a pressure monitoring unit, an ash removal control unit and an electromagnetic pulse valve unit, the pressure monitoring unit comprises a plurality of pressure monitoring probes, and the specific monitoring and removing steps are as follows:
c1: monitoring the pressure value in the low-pressure pulse bag-type dust removal system in real time through a plurality of pressure monitoring probes, and marking the pressure value as DjJ is 1,2, … …, m, where j denotes the jth pressure monitoring probe;
c2: by the formula
Acquiring a pressure safety coefficient Y of the low-pressure pulse bag dust removal system, wherein the pressure safety coefficient Y is a specific proportionality coefficient; when the pressure safety coefficient Y is larger than a preset threshold value, the pressure monitoring unit sends an ash removal execution instruction to the ash removal control unit, and the ash removal control unit controls the electromagnetic pulse valve unit to blow;
c3: when the pressure safety coefficient Y is smaller than or equal to a preset threshold value, the pressure monitoring unit sends a deashing stop instruction to the deashing control unit, and the deashing control unit controls the electromagnetic pulse valve to stop working;
c4: the dust monitoring and removing module is used for monitoring and removing the pressure value DjAnd the pressure safety factor Y, the ash cleaning execution instruction sending record and the ash cleaning stopping instruction sending record are sent to the data storage module through the controller for storage.
2. The remote maintenance system for equipment based on recycled metal smelting according to claim 1, wherein the system further comprises a spark monitoring module, the spark monitoring module is arranged between the constant temperature system and the low-pressure pulse bag dust removal system and used for monitoring sparks accidentally entering between the constant temperature system and the low-pressure pulse bag dust removal system, the spark monitoring module comprises a spark monitoring unit and a spark alarm unit, the spark monitoring unit comprises a plurality of infrared spark detectors which are uniformly distributed, when the infrared spark detectors monitor sparks, a monitoring result is marked as 1, otherwise, the monitoring result is marked as 0, and the specific monitoring steps are as follows:
v1: monitoring sparks between the two systems by a plurality of infrared spark detectors, and marking the monitoring result as FkK is 1,2, … …, p, wherein k is the number of the infrared detector;
v2: by the formula
Acquiring a Mars monitoring coefficient H, wherein k1 is the number of monitoring results marked as 1 and is a specific proportionality coefficient;
v3: when the Mars monitoring coefficient H is larger than a preset threshold value, the Mars alarm unit sends a Mars alarm instruction to the comprehensive control module through the controller, and a monitoring result F is obtainedkAnd Fk1And the mars alarm instruction sending record is sent to the data storage module through the controller to be stored.
3. The remote maintenance system for the equipment based on the recycled metal smelting of claim 1, wherein the system further comprises a wind power monitoring module, the wind power monitoring module is used for monitoring the wind rate of each smelting stage and regulating and controlling the wind rate according to a preset threshold value, the wind power monitoring module comprises a wind power monitoring unit and a wind power control unit, the smelting stage comprises furnace charging, oxygen blowing and slag raking, oxygen removing and reduction and heat preservation and water drainage, and the specific monitoring steps are as follows:
b1: the wind power monitoring unit is used for monitoring the wind volume of each smelting stage in real time, and the wind power value monitored in four stages of oven charging, oxygen blowing and slag raking, deoxidization and reduction and heat preservation and water drainage is marked as G1、G2、G3And G4；
B2: when the wind power value G1When the air pressure value is more than or equal to L3, the air pressure monitoring unit sends an air pressure adjusting instruction to the air pressure control unit through the comprehensive control module, and the air pressure control unit adjusts the air volume of the oven in the charging stage until the air pressure value G1L3 is less than or equal to; when the wind power value G2When the wind power value is less than L4, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the wind volume in the stage of oxygen blowing and slag raking until the wind power value G2Not less than L4; when the wind power value G3When the wind power value is less than L5, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the wind volume in the deoxidization reduction stage until the wind power value G3Not less than L5; when the wind power value G4When the wind power is not less than L6, the wind power monitoring unit sends a wind power adjusting instruction to the wind power control unit through the comprehensive control module, and the wind power control unit adjusts the wind volume in the heat preservation water discharging stage until G4< L6; wherein L3, L4, L5 and L6 are preset threshold values, and L3 is more than 0 and less than or equal to L4 and more than L5 and more than L6.
4. The remote maintenance system for equipment based on recycled metal smelting of claim 1, wherein the comprehensive control module comprises an early warning display unit and a threshold value adjusting unit, the threshold value adjusting unit is used for a user to adjust the preset threshold value of each module through an intelligent terminal, the intelligent terminal comprises a notebook computer and an intelligent mobile phone, the early warning display unit comprises a combustible gas monitoring display partition and a temperature monitoring display partition, and the temperature monitoring display unit comprises a temperature monitoring display partition and a temperature monitoring display partitionThe system comprises a degree monitoring display partition, a dust monitoring clearing display partition, a mars monitoring display partition and a wind power monitoring display partition; the combustible gas monitoring and displaying subareas display the monitoring value A in real time through a histogramiThe explosion coefficient Q is displayed in a circle when Q is more than or equal to L1 or any AiWhen L2 is equal to or more than L, the circle is filled with red, otherwise, the circle is filled with green; the temperature monitoring display subarea displays the temperature monitoring values S of the inlet and the outlet of the constant temperature system in real time1And S2The temperature coefficient W is displayed in the rectangle, when the temperature coefficient W is larger than a preset threshold value, the rectangle is filled with red, otherwise, the rectangle is filled with green; the dust monitoring clearing display partition displays a pressure value D in real time through a column diagramjThe pressure safety coefficient is displayed in the triangle, when the pressure safety coefficient Y is smaller than or equal to a preset threshold value, the triangle is filled with red, otherwise, the triangle is filled with green; the Mars monitoring display partition is used for displaying the total number marked with 1 and the total number marked with 0 of the monitoring results by dividing the pie chart into two parts, the Mars monitoring coefficient H is displayed in the square, when the Mars monitoring coefficient H is larger than a preset threshold value, the square is filled with red, otherwise, the square is filled with green; the wind power monitoring and displaying subareas display the wind power value G through a line graph1、G2、G3And G4When the wind power value reaches the condition of sending the wind power adjusting command in the step B2, the corresponding wind power value is marked with red, otherwise, the corresponding wind power value is marked with green.
5. The remote maintenance system of equipment based on recycled metal smelting of claim 1, wherein the constant temperature system comprises a high temperature cooling module and a low temperature heat preservation module, the high temperature cooling module and the low temperature heat preservation module are respectively provided with a proportional valve, and an input port and an output port of the constant temperature system are respectively provided with a temperature monitoring probe.
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