CN104182838A - Heavy metal pollution source prevention and control evaluation method - Google Patents
Heavy metal pollution source prevention and control evaluation method Download PDFInfo
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- CN104182838A CN104182838A CN201410422932.5A CN201410422932A CN104182838A CN 104182838 A CN104182838 A CN 104182838A CN 201410422932 A CN201410422932 A CN 201410422932A CN 104182838 A CN104182838 A CN 104182838A
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Abstract
The invention discloses a heavy metal pollution source prevention and control evaluation method, aiming at the non-ferrous metal smelting industry, 4 secondary evaluation indexes of resource and energy utilization, technical characteristics, heavy metal pollution production and discharge conditions and economic cost are selected, and each secondary evaluation index comprises a plurality of lower-level evaluation indexes; according to the standard value of the lower-level evaluation index, scoring a certain process in the non-ferrous metal smelting process, adding the scores of the lower-level indexes, and multiplying the sum by the weight value of the upper-level index to obtain the score of the upper-level index; and calculating step by step, finally obtaining the total evaluation score of the process, and performing pollution source prevention and control evaluation on the process according to the total evaluation score. The method has the characteristics of good pertinence, remarkable comprehensiveness and strong operability, can effectively screen advanced and applicable heavy metal pollution source prevention and control indexes, and provides technical support for heavy metal pollution control and management in the non-ferrous metal smelting industry in China.
Description
Technical field
The present invention relates to environment controlling technique field, relate in particular to a kind of source of heavy metal pollution prevention and control appraisal procedure.
Background technology
At present, the Heavy-metal Polluted Environment problem of non-ferrous metal metallurgy industry is the environment hot issue of international and domestic concern in recent years, for the urgent present situation of nonferrous smelting industry heavy metal pollution situation, be necessary to set up a kind of non-ferrous metal metallurgy industry source of heavy metal pollution prevention and control technology evaluation index system, filter out advanced person, the applicable anti-control techniques of source of heavy metal pollution, thereby reduce heavy metal contaminants discharge, effectively solve non-ferrous metal metallurgy industry heavy metal pollution problem.
But prior art scheme is not pointed and comprehensive for the pollution control technology evaluation of heavy metal industry, cannot filter out the pollution prevention appraisal procedure of advanced person, applicable non-ferrous metal metallurgy industry.
Summary of the invention
The object of this invention is to provide a kind of source of heavy metal pollution prevention and control appraisal procedure, pointed good, the comprehensive remarkable and workable feature of the method, can effectively filter out advanced person, applicable source of heavy metal pollution prevention and control index, for China's non-ferrous metal metallurgy industry heavy metal pollution control and management provide technical support.
A kind of source of heavy metal pollution prevention and control appraisal procedure, described method comprises:
For non-ferrous metal metallurgy industry, choose resource and energy utilization, technical characterictic, heavy metal pollution produce row's situation and 4 secondary evaluation indexes of financial cost, under each secondary evaluation index, comprise several subordinate's evaluation indexes;
According to the reference value of subordinate's evaluation index, a certain technique in nonferrous metallurgical process is given a mark, after each subordinate index score is added, be multiplied by the weighted value of upper level index, draw the score value of this upper level index;
Step-by-step calculation, finally draws the assessment total score of this technique, according to described assessment total score, this technique is carried out to pollution source prevention and control assessment.
Described method also comprises: the feature that described evaluation index is evaluated technique according to each smelting industry increases or reduces.
Described resource and energy utilization evaluation index comprise:
New water consumption, main material consumption, auxiliary material, auxiliary agent consumption, floor area, each smelting industry characteristic product overall recovery, the recovery of sulphur, capture rate and the comprehensive energy consumption of sulphur.
Described heavy metal pollution produce row average evaluation index comprises:
Wastewater Pollutant index, exhaust emission index and solid waste index.
Described Wastewater Pollutant index comprises: waste water total amount, mercury, cadmium, lead, arsenic and chromium;
Described exhaust emission index comprises: the arsenic in the cadmium in mercury, smoke-dust in waste gas total amount, smoke-dust, smoke-dust, lead, the smoke-dust in smoke-dust and the chromium in smoke-dust;
Described solid waste index comprises: the arsenic acid leaching amount in the cadmium acidleach output in mercury acidleach output, solid waste in solid waste total metals, solid waste, plumbic acid leaching amount, the solid waste in solid waste and the chromic acid leaching amount in solid waste.
As seen from the above technical solution provided by the invention, pointed good, the comprehensive remarkable and workable feature of the method, can effectively filter out advanced person, applicable source of heavy metal pollution prevention and control index, for China's non-ferrous metal metallurgy industry heavy metal pollution control and management provide technical support.
Brief description of the drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is provided source of heavy metal pollution prevention and control appraisal procedure schematic flow sheet by the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on embodiments of the invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to protection scope of the present invention.
Below in conjunction with accompanying drawing, the embodiment of the present invention is described in further detail, is illustrated in figure 1 the embodiment of the present invention source of heavy metal pollution prevention and control appraisal procedure schematic flow sheet is provided, described method comprises:
Step 11: for non-ferrous metal metallurgy industry, choose resource and energy utilization, technical characterictic, heavy metal pollution produce row's situation and 4 secondary evaluation indexes of financial cost, comprise several subordinate's evaluation indexes under each secondary evaluation index;
In this step, constructed non-ferrous metal metallurgy industry source of heavy metal pollution prevention and control technology evaluation index system comprises resource and energy utilization, technical characterictic, heavy metal pollution produce row's situation and 4 secondary evaluation indexes of financial cost, in specific implementation, under each secondary evaluation index, can also comprise 16 three grades of indexs, 37 level Four indexs, 22 Pyatyi indexs.
In specific implementation, described resource and energy utilization evaluation index comprise: new water consumption, main material consumption, auxiliary material, auxiliary agent consumption, floor area, each smelting industry characteristic product overall recovery, the recovery of sulphur, capture rate and the comprehensive energy consumption of sulphur.
Described technical characterictic evaluation index comprises: the advance of technology and the reliability index of technology.Specifically, the advanced index of technology comprises the secondary pollution problem of the refuse producing in the scope of application, processing procedure of advance, automatic control level, the technology of technique; The reliability index of technology comprises the validity, the maturity of technology, the popularity rate of technology, the stability of technology of technology.
Described heavy metal pollution produce row average evaluation index comprises: Wastewater Pollutant index, exhaust emission index, solid waste index.
Furthermore, described Wastewater Pollutant index comprises: waste water total amount, mercury, cadmium, lead, arsenic, chromium and further feature heavy metal contaminants; Described exhaust emission index comprises: the arsenic in the cadmium in mercury, smoke-dust in waste gas total amount, smoke-dust, smoke-dust, lead, the smoke-dust in smoke-dust, the chromium in smoke-dust, other feature atmosphere heavy metal pollution things; Described solid waste index comprises: other industrial characteristic heavy metal acidleach output in the arsenic acid leaching amount in the cadmium acidleach output in mercury acidleach output, solid waste in solid waste total metals, solid waste, plumbic acid leaching amount, the solid waste in solid waste, chromic acid leaching amount, the solid waste in solid waste.
Described financial cost evaluation index comprises: cost of investment, operation expense, income and avoid expense.
Wherein, index of investment cost comprises production facility expense, pollution control facility expense; Operation expense index comprises energy cost, medicament and buys cost of serving, other operation expenses; Income, the expense index of avoiding comprise income and avoid expense.
Further, in next stage index:
Production facility expense index comprises equipment investment, capital cost, other expenditure; Pollution control facility expense index comprises pollution control equipment cost, capital cost, other expenditure; Energy cost index comprises: power cost, other energy costs; Medicament and purchase cost of serving index comprise expense, the environmental services (processing service as bought refuse) of raw materials cost, auxiliary material, chemical assistant, water; Other operation expense indexs comprise human cost, fixing managerial cost; Proceeds indicatior comprises that product, secondary product income, valuable metal recovery utilize income; The expense index of avoiding comprises saves starting material, the saving energy, saving labour, maintenance cost saving, saving charges for disposing pollutants and saves water rate etc.
The feature that above-mentioned evaluation index at different levels can be evaluated technique according to each smelting industry increases or reduces, to filter out advanced person, applicable source of heavy metal pollution prevention and control evaluation index.
For instance, below assessment indicator system is elaborated, first the basis of resource and energy utilization evaluation index is that in investigation production technology, technology is applied the material inputs relating to, different smelting industries, according to the difference of self actual conditions, build index system and carry out parameter collection with reference to following table 1:
Table 1
The basis of determining technical characterictic evaluation index is the data such as principle, the scope of application, principal character pollutant, main technique and the technical parameter of control of the every technology of investigation, builds index system and carries out parameter collection with reference to following table 2:
Table 2
Heavy metal pollution produce rows average evaluation index, need to be on the basis of identification industry critical environments impact because structure and the feature difference of different smelting industry disposals of pollutants are very large, determines concrete pollution produce row situation index, specifically can be with reference to following table 3:
Table 3
Financial cost evaluation index can be divided into cost of investment, operation expense, income and avoid expense three major types, can be with reference to following table 4 inventory for concrete industry and technical design pricing parameter:
Table 4
Step 12: according to the reference value of subordinate's evaluation index, a certain technique in nonferrous metallurgical process is given a mark, be multiplied by the weighted value of upper level index after each subordinate index score is added, draw the score value of this upper level index;
Step 13: step-by-step calculation, finally draw the assessment total score of this technique, according to described assessment total score, this technique is carried out to pollution source prevention and control assessment.
With concrete example, above-mentioned pollution source prevention and control appraisal procedure is elaborated again below:
Embodiment 1, the present embodiment 1 are taking copper smelting industry clearer production technology evaluation index as example, in conjunction with " the copper smelting industry cleaner production standard " of having promulgated, " copper, nickel, cobalt pollution thing emission standard " and the data of collecting and a large amount of design, measured datas, determine technology weighted value and metewand value, copper smelting industry clearer production technology evaluation index project, weight and reference value are as shown in Table 5 below.
In the time that described in adopting the present embodiment, appraisal procedure is carried out process for cleanly preparing technology evaluation to certain technique, by Field Research and Data acquisition,, according to the 3rd in table 5 or level Four index metewand value, the 3rd or level Four index to this technique given a mark, the weighted value that is multiplied by first class index after each index score is added draws the score value of upper level index, step-by-step calculation, finally obtain technology evaluation total score, always assign to this technique to carry out process for cleanly preparing technology evaluation according to assessment.
Table 5 (1) resource, energy consumption index system
Table 5 (2) heavy metal produces index system
Table 5 (3) financial cost index system
Table 5 (4) technical indicator system
Embodiment 2, the present embodiment 2 are taking copper smelting wastewater treatment technology as example, carry out pollution control technology evaluation example, ginseng is shown in Table 6, in the time adopting body series to carry out pollution control technology evaluation to certain technique, by Field Research and Data acquisition,, according to the level Four index metewand value in table 6, the level Four index of this technique is given a mark, the weighted value that is multiplied by first class index after each level Four index score is added draws the score value of this upper level index, step-by-step calculation, finally draw assessment total score, always assign to this technique to carry out pollution control technology evaluation according to assessment.
Table 6 (1) heavy metals emission index evaluation
Note: computing method adopt newly-built enterprise Sewage Water Emissions concentration limit and the special emission limit scope of water pollutant interpolation calculation.
The assessment of table 6 (2) technical indicator
Table 6 (3) financial cost index evaluation
In sum, pointed good, the comprehensive remarkable and workable feature of source of heavy metal pollution prevention and control appraisal procedure described in the embodiment of the present invention, can effectively filter out advanced person, applicable source of heavy metal pollution prevention and control index, for China's non-ferrous metal metallurgy industry heavy metal pollution control and management provide technical support, reduce heavy metal contaminants discharge, thereby effectively solve non-ferrous metal metallurgy industry heavy metal pollution problem.
The above; only for preferably embodiment of the present invention, but protection scope of the present invention is not limited to this, is anyly familiar with in technical scope that those skilled in the art disclose in the present invention; the variation that can expect easily or replacement, within all should being encompassed in protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claims.
Claims (5)
1. a source of heavy metal pollution prevention and control appraisal procedure, is characterized in that, described method comprises:
For non-ferrous metal metallurgy industry, choose resource and energy utilization, technical characterictic, heavy metal pollution produce row's situation and 4 secondary evaluation indexes of financial cost, under each secondary evaluation index, comprise several subordinate's evaluation indexes;
According to the reference value of subordinate's evaluation index, a certain technique in nonferrous metallurgical process is given a mark, after each subordinate index score is added, be multiplied by the weighted value of upper level index, draw the score value of this upper level index;
Step-by-step calculation, finally draws the assessment total score of this technique, according to described assessment total score, this technique is carried out to pollution source prevention and control assessment.
2. source of heavy metal pollution prevention and control appraisal procedure as claimed in claim 1, is characterized in that, described method also comprises:
The feature that described evaluation index is evaluated technique according to each smelting industry increases or reduces.
3. source of heavy metal pollution prevention and control appraisal procedure as claimed in claim 1, is characterized in that, described resource and energy utilization evaluation index comprise:
New water consumption, main material consumption, auxiliary material, auxiliary agent consumption, floor area, each smelting industry characteristic product overall recovery, the recovery of sulphur, capture rate and the comprehensive energy consumption of sulphur.
4. source of heavy metal pollution prevention and control appraisal procedure as claimed in claim 1, is characterized in that, described heavy metal pollution produce row average evaluation index comprises:
Wastewater Pollutant index, exhaust emission index and solid waste index.
5. source of heavy metal pollution prevention and control appraisal procedure as claimed in claim 4, is characterized in that,
Described Wastewater Pollutant index comprises: waste water total amount, mercury, cadmium, lead, arsenic and chromium;
Described exhaust emission index comprises: the arsenic in the cadmium in mercury, smoke-dust in waste gas total amount, smoke-dust, smoke-dust, lead, the smoke-dust in smoke-dust and the chromium in smoke-dust;
Described solid waste index comprises: the arsenic acid leaching amount in the cadmium acidleach output in mercury acidleach output, solid waste in solid waste total metals, solid waste, plumbic acid leaching amount, the solid waste in solid waste and the chromic acid leaching amount in solid waste.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110245770A (en) * | 2018-03-09 | 2019-09-17 | 香港纺织及成衣研发中心有限公司 | Estimate the method and system of the ecology influence power of textile fabric production |
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Application publication date: 20141203 |