CN104331050A - Oxygen enrichment bottom blowing copper smelting process energy efficiency evaluation method based on process simulation - Google Patents

Oxygen enrichment bottom blowing copper smelting process energy efficiency evaluation method based on process simulation Download PDF

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Publication number
CN104331050A
CN104331050A CN201410597364.2A CN201410597364A CN104331050A CN 104331050 A CN104331050 A CN 104331050A CN 201410597364 A CN201410597364 A CN 201410597364A CN 104331050 A CN104331050 A CN 104331050A
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China
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module
data
energy efficiency
oxygen
thermal discharge
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CN201410597364.2A
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王卓
于海斌
贾洋
王斌
陈宜滨
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Shenyang Institute of Automation of CAS
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Shenyang Institute of Automation of CAS
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Priority to CN201410597364.2A priority Critical patent/CN104331050A/en
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/418Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
    • G05B19/41885Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by modeling, simulation of the manufacturing system

Abstract

The invention relates to an oxygen enrichment bottom blowing copper smelting process energy efficiency evaluation method based on process simulation, and the method comprises the steps as follows: using the data collecting module for collecting the scene data and off-line data and transmitting the data to a data processing module; storing and storing the data received by the data processing module, setting energy efficiency evaluation object according to the requirement, weighting and having average on the target data of the evaluation object to obtain the analog input data; building Aspen plus model, transmitting the analog input data to the model through the data interface; calculating the theory energy efficiency data corresponding to the analog input data according to the Aspen plus model. The oxygen enrichment bottom blowing copper smelting process energy efficiency evaluation method based on process simulation is useful for exactly evaluating the energy efficiency of the oxygen enrichment bottom blowing copper smelting process new technology, scientifically evaluating the operation cost of the oxygen enrichment bottom blowing copper smelting furnace, and timely excavating the energy-saving potential and reasonably providing parameter and process optimization scheme.

Description

Based on the oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method of flowsheeting
Technical field
The present invention relates to Copper making field, specifically a kind of oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method based on flowsheeting.
Background technology
Oxygen-enriched bottom-blowing copper smelting is as " oxygen-enriched bottom-blowing copper metallurgy new technology " and first industrial scale bottom convertor in the world of the complete independent intellectual property right of China, have that adaptability to raw material is strong, carbon-free makes the process characteristics such as sulphur melting, CO2 zero-emission, low oxygen utilization, receive the high evaluation of domestic and international field of metallurgy expert.Association of China Non-Ferrous Metals Industry explicitly points out on November 26th, 2009 in middle look association's copper word [2009] No. 252 literary compositions: this technique is China oneself research and development, has independent intellectual property right, in the significant technology innovation achievement in copper metallurgy field, it is one of copper making technology of world advanced person.This technology has been listed in State Council " about the scientific and technical supporting role of performance, promoting the suggestion that economy develops smoothly and faster " (No. [2009] 9, promulgated by the State Council) emphasis and has applied technology.
But, as the copper metallurgy technological process of just commercial Application, oxygen-enriched bottom-blowing copper metallurgy process automation level is on the low side, a lot of energy heat release key parameter of being correlated with cannot directly be measured, the adjusting and optimizing of manufacturing parameter, the risk assessment of process operation, and various energy-conservation alternatives feasibility evaluation etc. is effective supports and reliable theoretical foundation.The manipulation of stove is to a great extent by the impact of operator quality, and process efficiency and product quality fluctuation comparatively greatly, constrain the performance of this process advantage.
As a simulation softward strictly calculated for technique, Aspen Plus can for different material charging, process conditions, user model, and the energy realizing obtaining fast equipment under different operating mode or technique uses and production operation situation.At present, domestic and international researcher has generally adopted process simulation software Aspen plus to study chemical process, to by the adjusting and optimizing to manufacturing parameter and the transformation to technique, reaches energy-saving and cost-reducing, improves the object of productivity effect.
Summary of the invention
Effective theoretical foundation is lacked for existing oxygen-enriched bottom-blowing copper smelting, cannot scientifically valuator device operation level, development of latent energy-saving potential, provide parameter optimization scheme and propose the problems such as technological transformation measure, the invention provides a kind of simulation method of the oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluation based on process simulation software, calculate the efficiency of oxygen-enriched bottom-blowing copper smelting.
The technical scheme that the present invention is adopted for achieving the above object is: a kind of oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method based on flowsheeting, comprises the following steps:
Data collecting module collected field data and off-line data, and transfer data to data processing module;
The data received are carried out classification and are stored by data processing module, set energy efficiency evaluation object as required, are weighted on average, obtain analog input data to the target data of evaluation object;
Set up Aspen plus model, analog input data are transferred in described model by data-interface;
According to Aspen plus model, calculate the theoretical efficiency data that described analog input data are corresponding.
The described Aspen of foundation plus model comprises following process:
Step 1: according to oxygen bottom blowing operating feature, by oxygen-enriched bottom-blowing stove partition functionality district;
Step 2: according to system air leakage area, by Bernoulli equation computing system inleakage;
Step 3: according to the function of described functional areas, selection unit operational module, sets up Aspen plus model.
Described function zoning is divided into concentrate heating zone, reaction fluidized zone, makes sulfonium reaction zone, slag making reaction zone and product separation district.
Described system air leakage amount is calculated as follows:
q = 3600 × A × 2 ΔP ρ ( 1 - f ) - - - ( 1 )
Wherein, q is system air leakage amount, and A is system air leakage area, and Δ P is system inside and outside differential pressure, and ρ is atmospheric density under standard state, and f is resistance coefficient.
Described unit operations module comprises:
First concentrate heat exchange module Heater-1 of concentrate heating zone and the second concentrate heat exchange module Heater-2; The liquefaction reaction module RGibbs-1 of reaction fluidized zone and liquid separation module Sep-1; That makes sulfonium reaction zone makes sulfonium reaction module RGibbs-2; The slag making reaction module RGibbs-3 of slag making reaction zone; The stream stock in product separation district cuts module FSplit, be separated module Sep-2 and stream stock mixing module Mixer.
Described theoretical efficiency data calculation process is as follows:
q d=q H,1+q H,2+q R,1+q S,1+q R,2+q R,3+q F+q S,2+q M(2)
Wherein, q dfor the total externally thermal discharge of body of heater, q h, 1be the external thermal discharge of the first concentrate heat exchange module Heater-1, q h, 2be the external thermal discharge of the second concentrate heat exchange module Heater-2, q r, 1for the external thermal discharge of liquefaction reaction module RGibbs-1, q s, 1for the external thermal discharge of liquid separation module Sep-1, q r, 2for making the external thermal discharge of sulfonium reaction module RGibbs-2, q r, 3for the external thermal discharge of slag making reaction module RGibbs-3, q ffor stream stock cuts the external thermal discharge of module FSplit, q s, 2for the external thermal discharge of the module Sep-2 that is separated, q mfor the external thermal discharge of stream stock mixing module Mixer.
The present invention has following beneficial effect and advantage:
1. the present invention can exactly evaluation process operation efficiency;
2. the present invention scientifically can evaluate the operation level of oxygen-enriched bottom-blowing copper smelting;
3. the present invention can greatly development of latent energy-saving potential;
4. the present invention reasonably can provide parameter and process optimization scheme.
Accompanying drawing explanation
Fig. 1 is method flow diagram of the present invention;
Fig. 2 is one-piece construction figure of the present invention;
Fig. 3 is partitioned organization figure of the present invention;
Fig. 4 is bottom convertor Aspen plus illustraton of model of the present invention;
Fig. 5 is embodiments of the invention analog result figure.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
The described oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method based on flowsheeting, one-piece construction as shown in Figure 2, comprise: data acquisition with issue part, data processing section, the Aspen plus model part of oxygen-enriched bottom-blowing copper smelting and Information issued interface, scheme performs step as shown in Figure 1, comprising:
Step 1, part of data acquisition field basic robotization and control system are collected as online datas such as copper concentrate inlet amount, copper concentrate composition analysis and oxygen enrichment flows and be input in computer system as released the off-line data that the amount of copper matte regulus, slag and flue gas and composition analysis etc. are weighed or the means such as chemical examination obtain by interactive form, and by network by data publication to data processing section.This fractional hardware comprises main hardware composition and comprises the adjunct network devices such as control system (PLC or DCS), testing agency, man-machine input client and switch netting twine; Software comprises man-machine inputting interface, field bus protocol etc.
The Data classification of step 1 stores by step 2, data processing section, and sets energy efficiency evaluation object.Such as, if press order of classes or grades at school assessment, step 1 data are pressed order of classes or grades at school segmentation, daily or week etc. can carry out segmentation to data equally.Segment data is weighted on average, obtains the energy and the substance data of one group of analog input data in this time period and actual consumption.This fractional hardware comprises other network equipments such as data storage server, switch.Software comprises SQL Server database.
Analog input data after step 3, process are input in the Aspen plus model of oxygen-enriched bottom-blowing copper smelting by the interface subroutine of Aspen plus model part.Interface subroutine adopts VB or C# language to carry out integrated to the ActiveX technology that Aspen plus software provides, directly access by VB or C# programmed environment object that Aspen plus provides and use object properties and method, realizing software startup, model loads, the function of read-write model and analog computation.This fractional hardware comprises simulation computer and the network equipment.Software comprises Visual Stodio, Aspen plus and ActiveX control thereof.Detailed process comprises:
1) according to oxygen bottom blowing operating feature, oxygen bottom blowing process can be divided into five functional areas by function difference, as shown in Figure 3, be respectively concentrate heating zone, reaction fluidized zone, make sulfonium reaction zone, slag making reaction zone and product separation district.
2) according to system air leakage area, system air leakage amount can be obtained such as formula (1) by Bernoulli equation.
q = 3600 × A × 2 ΔP ρ ( 1 - f ) - - - ( 1 )
Wherein, q is system air leakage amount, Nm3/hr; A is system air leakage area, m2; Δ P is system inside and outside differential pressure, Pa; ρ is atmospheric density under standard state, ρ=1.29kg/m3; F is resistance coefficient, gets f=0.5;
3) according to the function of functional areas, corresponding Aspen plus unit operations module is selected, specifically as shown in table 1;
Table 1
Bottom convertor Aspen plus model as shown in Figure 4.In model, two heat exchange module Heater-1,2 and a hot-fluid stock HEAT-GAS for simulating concentrate heating zone, realize the function of smoke pre-heating composite ore.Gibbs reaction module RGibbs-1 and separation module Sep-1 is used for simulation reaction fluidized zone, realizes the function that composite ore dehydration, dissociation, oxidation, the fusing of product and slag phase and sulfonium are separated.A gibbs reaction module RGibbs-2 is used for simulation and makes sulfonium reaction zone, realizes the function that oxygen-enriched bottom-blowing matte layer makes sulfonium reaction.A gibbs reaction module RGibbs-3, for simulating slag making reaction zone, realizes making to make sulfonium product by blowing oxygen up, and participates in the function of slag phase reaction.Two separation modules FSplit, Sep-2 and a mixing module Mixer are used for analog product Disengagement zone, realize circulation and the separation function of making sulfonium and slag making reaction product.
4) bottom blowing efficiency calculates.Body of heater efficiency is the external thermal discharge of model, comprises the external thermal discharge of all unit operations modules, shown in (2).
q d=q H,1+q H,2+q R,1+q S,1+q R,2+q R,3+q F+q S,2+q M(2)
Wherein, q dfor the total externally thermal discharge of body of heater, W; q h, 1for the external thermal discharge of Heater-1, W; q h, 2for the external thermal discharge of Heater-2, W; q r, 1for the external thermal discharge of RGibbs-1, W; q s, 1for the external thermal discharge of Sep-1, W; q r, 2for the external thermal discharge of RGibbs-2, W; q r, 3for the external thermal discharge of RGibbs-3, W; q ffor the external thermal discharge of FSplit, W; q s, 2for the external thermal discharge of Sep-2, W; q mfor the external thermal discharge of Mixer, W.
Corresponding analog input data, the concrete Data Styles after process is as shown in table 2;
Table 2
User inputs data according to above-mentioned table 2 Data Styles at data collection client, to be transferred data in Aspen plus model by data-interface subroutine after data processing section and start, theoretical efficiency data and the production data of different teams and groups or different operating can be obtained.
Fig. 5 is one group of analog result adjusting the proportion relation of oxygen-enriched air amount and copper concentrate quantitatively.
Step 4, analog result are published to Information issued interface by interface subroutine, consult for managerial personnel.This fractional hardware comprises analog result storage server, Information issued interface computer and the network equipment etc.Software comprises SQL Server database and Information issued interface development program.

Claims (6)

1., based on an oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method for flowsheeting, it is characterized in that: comprise the following steps:
Data collecting module collected field data and off-line data, and transfer data to data processing module;
The data received are carried out classification and are stored by data processing module, set energy efficiency evaluation object as required, are weighted on average, obtain analog input data to the target data of evaluation object;
Set up Aspen plus model, analog input data are transferred in described model by data-interface;
According to Aspen plus model, calculate the theoretical efficiency data that described analog input data are corresponding.
2. the oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method based on flowsheeting according to claim 1, is characterized in that: the described Aspen of foundation plus model comprises following process:
Step 1: according to oxygen bottom blowing operating feature, by oxygen-enriched bottom-blowing stove partition functionality district;
Step 2: according to system air leakage area, by Bernoulli equation computing system inleakage;
Step 3: according to the function of described functional areas, selection unit operational module, sets up Aspen plus model.
3. the oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method based on flowsheeting according to claim 2, is characterized in that: described function zoning is divided into concentrate heating zone, reaction fluidized zone, makes sulfonium reaction zone, slag making reaction zone and product separation district.
4. the oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method based on flowsheeting according to claim 2, it is characterized in that, described system air leakage amount is calculated as follows:
q = 3600 × A × 2 ΔP ρ ( 1 - f ) - - - ( 1 )
Wherein, q is system air leakage amount, and A is system air leakage area, and Δ P is system inside and outside differential pressure, and ρ is atmospheric density under standard state, and f is resistance coefficient.
5. the oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method based on flowsheeting according to claim 2, it is characterized in that, described unit operations module comprises:
First concentrate heat exchange module Heater-1 of concentrate heating zone and the second concentrate heat exchange module Heater-2; The liquefaction reaction module RGibbs-1 of reaction fluidized zone and liquid separation module Sep-1; That makes sulfonium reaction zone makes sulfonium reaction module RGibbs-2; The slag making reaction module RGibbs-3 of slag making reaction zone; The stream stock in product separation district cuts module FSplit, be separated module Sep-2 and stream stock mixing module Mixer.
6. the oxygen-enriched bottom-blowing copper metallurgy process energy efficiency evaluating method based on flowsheeting according to claim 1, it is characterized in that, described theoretical efficiency data calculation process is as follows:
q d=q H,1+q H,2+q R,1+q S,1+q R,2+q R,3+q F+q S,2+q M(2)
Wherein, q dfor the total externally thermal discharge of body of heater, q h, 1be the external thermal discharge of the first concentrate heat exchange module Heater-1, q h, 2be the external thermal discharge of the second concentrate heat exchange module Heater-2, q r, 1for the external thermal discharge of liquefaction reaction module RGibbs-1, q s, 1for the external thermal discharge of liquid separation module Sep-1, q r, 2for making the external thermal discharge of sulfonium reaction module RGibbs-2, q r, 3for the external thermal discharge of slag making reaction module RGibbs-3, q ffor stream stock cuts the external thermal discharge of module FSplit, q s, 2for the external thermal discharge of the module Sep-2 that is separated, q mfor the external thermal discharge of stream stock mixing module Mixer.
CN201410597364.2A 2014-10-29 2014-10-29 Oxygen enrichment bottom blowing copper smelting process energy efficiency evaluation method based on process simulation Pending CN104331050A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006214657A (en) * 2005-02-04 2006-08-17 Nippon Steel Corp Tuyere blowing method for combustible dust in waste melting furnace
CN101165196A (en) * 2006-10-19 2008-04-23 中国恩菲工程技术有限公司 Technique for continuously smelting copper by employing oxygen bottom converter and device thereof
CN102242277A (en) * 2011-06-13 2011-11-16 中国恩菲工程技术有限公司 Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper
CN103077263A (en) * 2012-12-14 2013-05-01 上海优华系统集成技术有限公司 Catalytic cracking transparent fractionating tower simulation calculation system based on process simulation software
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006214657A (en) * 2005-02-04 2006-08-17 Nippon Steel Corp Tuyere blowing method for combustible dust in waste melting furnace
CN101165196A (en) * 2006-10-19 2008-04-23 中国恩菲工程技术有限公司 Technique for continuously smelting copper by employing oxygen bottom converter and device thereof
CN102242277A (en) * 2011-06-13 2011-11-16 中国恩菲工程技术有限公司 Oxygen-rich bottom blown copper smelter and oxygen-rich bottom blown technology for extraction of copper
CN103077263A (en) * 2012-12-14 2013-05-01 上海优华系统集成技术有限公司 Catalytic cracking transparent fractionating tower simulation calculation system based on process simulation software
CN103106333A (en) * 2012-12-14 2013-05-15 上海优华系统集成技术有限公司 Online theory energy consumption calculation system which is used for catalytic cracking unit and based on process simulation software

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Application publication date: 20150204