Announcement No.13 of the national reform and Development Commission of the people's Republic of China
In order to speed up the adjustment of the industrial structure, promote the sustained and healthy development of the lead-zinc industry, strengthen environmental protection, comprehensively utilize resources, further improve the access threshold, standardize the investment behavior of the lead-zinc industry, and stop blind investment and low-level repeated construction, in accordance with the relevant national laws, regulations and industrial policies, our commission, together with the relevant departments, has formulated the "access conditions for the lead-zinc industry", which is hereby announced.
The relevant departments should take the industry access conditions as the basis in the investment approval, record management, land supply, industrial and commercial registration, environmental impact assessment, credit financing and other work of lead-zinc mining, smelting and recycling construction projects.
Access conditions for lead and zinc industry
I. enterprise layout, scale and external conditions
The newly-built, reconstructed or expanded lead-zinc mines, smelting and recycling projects must meet the requirements of the national industrial policies and planning, and the provisions of the general land use planning, land supply policies and land use standards. We must strictly implement the environmental impact assessment and "three Simultaneities" acceptance system according to law.
In accordance with the requirements of ecological function zoning, all localities should study and determine the total production scale of lead-zinc smelting in different regions for the optimized development and key development areas, and reasonably select the site of lead-zinc smelting enterprises. Within one kilometer of the surrounding areas of nature reserves, ecological function reserves, scenic spots, drinking water source protection areas, large and medium-sized cities and their suburbs, residential areas, nursing places, hospitals, food, drugs and other enterprises with high environmental requirements, which are determined by national laws, regulations, administrative rules and plans or approved by the people's government at or above the county level, and which need special protection, shall not be allowed to enter No new lead-zinc smelting project shall be built, nor shall any lead-zinc smelting project other than environmental protection renovation be expanded. The site selection of recycled lead-zinc enterprises should also be carried out according to the site selection principle of incineration plant in the "pollution control standard for hazardous waste incineration" (GB18484-2001).
For new lead and zinc smelting projects, the single series lead smelting capacity must reach more than 50000 tons / year (excluding 50000 tons); the single series zinc smelting scale must reach 100000 tons / year or more; the lead-zinc concentrate, transportation and other external production conditions should be implemented, and the proportion of mine raw materials owned by new lead-zinc smelting project enterprises should reach more than 30%. It is allowed that the existing production capacity of enterprises in line with relevant policies and regulations can be upgraded to eliminate the backward process, and the single series lead smelting capacity can reach more than 50000 tons / year (excluding 50000 tons), and the single series zinc smelting scale can reach 100000 tons / year or more.
The scale of production admittance of existing lead recycling enterprises should be more than 10000 tons / year; the scale of reconstruction and expansion of lead recycling projects must be more than 20000 tons / year; the scale of new lead recycling projects must be more than 50000 tons / year. Large and medium-sized dominant lead smelting enterprises are encouraged to merge small-scale recycled lead plants with lead smelting furnaces for treatment or to recover recycled lead.
Mining of lead-zinc mineral resources should comply with the mineral resources law and relevant regulations, and apply for mining license according to law. The mining right holder shall carry out mining in strict accordance with the approved development and utilization plan, and prohibit exploration and mining without license, indiscriminate mining, destruction and waste of resources. The administrative departments of land and resources should strictly standardize the examination and approval system for exploration and mining of lead and zinc mines. In accordance with laws, regulations and relevant provisions, the transfer mode and examination and approval authority of exploration and mining rights shall be strictly enforced. It is strictly forbidden to exceed the authority of examination and approval, and it is strictly forbidden to split and transfer the whole ore deposit.
The minimum production and construction scale of newly-built lead-zinc mines shall not be less than 30000 T / a (100 t / D) of single mine, and the service life shall be more than 15 years. The production and construction scale of single mine of medium-sized mines shall be more than 300000 t / a (1000 t / D). The mineral processing capacity of mineral processing enterprises adopting flotation process must be more than 1000 tons / day.
Mine investment projects must be handled in accordance with the requirements of the catalogue of investment projects approved by the government published in the decision of the State Council on the reform of the investment system. Mine development projects with a total investment of 500 million yuan or more shall be approved by the competent investment department of the State Council, while other mine development projects shall be approved by the competent investment department of the provincial government. The proportion of capital in lead-zinc mining, smelting and recycling projects should reach 35% or more.

Technology and equipment
In the new lead smelting project, the advanced lead smelting process with high production efficiency, low energy consumption, environmental protection standard and good comprehensive utilization effect of resources, such as oxygen enriched bottom blowing intensified smelting or oxygen enriched top blowing intensified smelting with independent intellectual property rights, and double conversion double absorption or other double adsorption acid making system, should be adopted for the crude lead smelting. In the new zinc smelting project, the fluidized bed roasting process with high sulfur utilization rate and up to standard tail gas must be adopted for the roasting of zinc sulfide concentrate; the hearth area of a single fluidized bed roaster must reach 109 square meters or more, and the double rotary double suction acid making system must be equipped.
There must be energy-saving facilities such as comprehensive utilization of resources and waste heat recovery. Hot concentrated pickling process is strictly prohibited for acid production from flue gas. The process and equipment for recovery of waste heat from smelting tail gas, dust collection or treatment of low sulfur dioxide concentration in tail gas must meet the requirements of national energy conservation law, cleaner production promotion law, environmental protection law and other laws and regulations. Smelting by pyrometallurgical process must be carried out under closed conditions to prevent harmful gas and dust from escaping and realize organized emission; tail gas purification system, alarm system and emergency treatment device must be set up. It is necessary to have dehumidification and purification device for exhaust gas in hydrometallurgical process.
We should develop circular economy, support the recycling of lead and zinc renewable resources, improve the technology and environmental protection level of lead recycling enterprises, and take the road of large-scale and environment-friendly development. In the new and existing recycling lead-zinc projects, the recovery and treatment of waste lead-zinc must adopt advanced technology and equipment. Recycled lead enterprises must recycle the whole waste lead-acid battery, store it in accordance with the relevant requirements of the pollution control standard for hazardous waste storage (GB18597-2001), and use mechanized crushing and sorting to recycle and treat plastics, lead plates, lead containing materials and waste acid respectively. If hydraulic separation is used in the crushing process, the water must be closed and recycled without leakage.
The separated lead paste must be desulfurized (or sent to lead sulfide concentrate smelter for combined treatment), and the desulfurized mother liquor must be treated and the by-products must be recovered. It is not allowed to melt waste lead-acid battery directly with shell. International advanced short kiln equipment or equivalent equipment must be adopted for smelting and refining, and mechanized operation must be adopted for charging, discharging and refining ingot during smelting. It is forbidden to crush waste lead-acid batteries manually or in open air. It is forbidden to use the reverberatory furnace directly burning coal to build projects of recycled lead and zinc.
Strengthen the recycling management of recycled zinc resources, concentrate on the recycling of galvanized iron sheet and other galvanized steel, and effectively recover zinc, lead, antimony and other secondary metals. The R & D and plant construction for recycling secondary metals in dry batteries are encouraged, and the production scale of the plant is not limited for the time being.
New large and medium-sized lead-zinc mines should adopt advanced mining methods suitable for the technical conditions of deposit mining, try to use large equipment, and appropriately improve the automation level. Flotation process must be used in mineral processing.
According to the industrial policies and regulations such as the guide catalogue for industrial structure adjustment (2005 Edition), the backward lead smelting processes and equipment such as indigenous sinter pan, simple blast furnace, sinter pot and sinter pan should be eliminated immediately, and the process of smelting recycled lead with crucible furnace, reduction smelting with indigenous muffle furnace, manger furnace, horizontal tank and small vertical tank, and then recovering zinc with simple condensation facilities Zinc smelting or zinc oxide process. It is forbidden to build new sintering machine blast furnace lead smelting enterprises, and eliminate the lead smelting process of sintering machine which has been equipped with acid making system after transformation, but the tail gas and lead dust pollution still can not meet the environmental protection standard before the end of 2008.

III. energy consumption
The comprehensive energy consumption of new lead smelting is lower than 600kg standard coal / T; the comprehensive energy consumption of crude lead smelting is lower than 450kg standard coal / T, the coke consumption of crude lead smelting is lower than 350kg / T, and the DC power consumption of electric lead is reduced to 120kwh / T. The comprehensive energy consumption of the new zinc smelting process is less than 1700kg standard coal / T, the DC power consumption of zinc electrolysis from zinc production is less than 2900 kwh / T, the current efficiency of zinc electrolysis is more than 88%, and the standard coal consumption of distilled zinc is less than 1600 kg / T.
The existing lead smelting enterprises: the comprehensive energy consumption is less than 650 kg standard coal / T; the comprehensive energy consumption of crude lead smelting is less than 460 kg standard coal / T; the coke consumption of crude lead smelting is less than 360 kg / T; the DC power consumption of electric lead is reduced to 121 kWh / T; the current efficiency of lead electrolysis is more than 95%. The existing zinc smelting enterprises: the comprehensive energy consumption of rectifying zinc process is less than 2200 kg standard coal / T, the comprehensive energy consumption of electric zinc process is less than 1850 kg standard coal / T, the standard coal consumption of distilling zinc process is less than 1650 kg / T, the DC power consumption of electric zinc is reduced to less than 3100 kwh / T, and the electrolytic current efficiency is more than 87%. The existing smelting enterprises should save energy and reduce consumption through technical transformation, and reach the energy consumption level of new enterprises at the end of the eleventh five year plan.
New and existing recycling lead-zinc projects must have energy-saving measures and adopt advanced technology and equipment to ensure that they meet the national energy consumption standards. The energy consumption of recycled lead smelting should be less than 130kg standard coal / t lead, and the power consumption should be less than 100kwh / t lead.
The comprehensive energy consumption of raw ore in pit mining mine is lower than 7.1kg standard coal / ton ore, and that of open pit mining mine is lower than 1.3KG standard coal / ton ore. The comprehensive energy consumption of lead-zinc ore dressing should be lower than 14 kg standard coal / T ore. The power consumption of ore is less than 45 kwh / T.

Comprehensive utilization of resources
New lead smelting project: the total recovery rate is 96.5%, crude lead smelting recovery rate is more than 97%, lead refining recovery rate is more than 99%, total sulfur utilization rate is more than 95%, sulfur capture rate is more than 99%, water recycling utilization rate is more than 95%. New zinc smelting project: the total recovery rate of smelting reaches 95%; the recovery rate of distillation zinc smelting reaches 98%, the recovery rate of electric zinc (wet process) reaches 95%; the utilization rate of total sulfur is more than 96%, the sulfur capture rate is more than 99%; the recycling utilization rate of water is more than 95%.
All investment projects of lead-zinc smelting must design the construction content of comprehensive utilization of valuable metals. The recovery rate of valuable associated metals reaches 95%.
There are lead and zinc smelting enterprises: the total recovery rate of lead smelting is more than 95%, the recovery rate of crude lead smelting is more than 96%, the utilization rate of total sulfur is more than 94%, the sulfur capture rate is more than 96%, and the water recycling utilization rate is more than 90%. The results show that the total recovery rate of zinc in zinc smelting distillation reaches 96%, the total recovery rate of zinc in distillation reaches 94%, the total recovery rate of zinc in electricity reaches over 93%, the utilization rate of sulfur reaches over 96%, the total capture rate of sulfur reaches over 99%, and the water recycling utilization rate is over 90%. The existing lead-zinc smelting enterprises reduce resource consumption through technical transformation, and reach the new enterprise standard at the end of the eleventh five year plan.
The total recovery rate of lead in newly-built lead recycling enterprises is more than 97%, the total recovery rate of lead in existing lead recycling enterprises is more than 95%, the lead content in smelting slag is less than 2%, and the recycling rate of waste water is more than 90%.
The lead-zinc mining loss rate of pit mining (underground mine) is not more than 10%, open pit mining (open pit mine) is not more than 5%, mining dilution rate of pit mining (underground mine) is not more than 10%, open pit mining (open pit mine) is not more than 4.5%. The actual recovery rate of lead and zinc in sulfide ore dressing reaches 87% and 90% respectively. The recovery rates of lead and zinc in mixed (refractory) ore are above 85%. The average power consumption per ton of ore is less than 35 kwh, the water consumption is less than 4 tons per ton of ore, and the recycling utilization rate of waste water is more than 75%. It is forbidden to build lead-zinc mines and concentrators with low resource utilization. When examining and approving the application for mining right, the administrative department of land and resources shall strictly examine the development and utilization plan of mineral resources, and the actual mining loss rate, dilution rate and beneficiation recovery rate of lead-zinc ore shall not be lower than the approved design standard.

V. environmental protection
The discharge of pollutants from lead-zinc smelting and mining and beneficiation shall comply with the national emission standard of air pollutants for industrial furnaces (GB9078-1996), integrated emission standard of air pollutants (GB16297-1996), integrated wastewater discharge standard (GB8978-1996), laws and regulations on solid waste pollution prevention, relevant requirements for hazardous waste treatment and disposal, and relevant local standards. The pollution caused by sulfur dioxide and lead containing dust in lead smelting, and the pollution caused by the random stacking of mercury, cadmium, arsenic and other harmful heavy metal ions in zinc smelting hot acid leaching slag should be prevented. Ensure the emission of sulfur dioxide and dust up to the standard. It is strictly forbidden to discharge harmful substances such as heavy metal ions, benzene and phenol in the waste water of lead-zinc smelter. The new standard will be implemented after the release of discharge standard of pollutants for nonferrous metals industry lead zinc industry.
Dust removal and recovery treatment devices shall be equipped for all dust producing parts of lead-zinc smelting project, such as raw material treatment, intermediate material crushing, smelting, loading and unloading, and automatic monitoring and control system shall be installed for monitoring, which has passed the applicability test of environmental monitoring instruments and testing institutions designated by the state environmental protection administration.
In the newly-built and existing recycling lead-zinc projects, the recovery and treatment of waste lead-zinc must adopt advanced technology and equipment to ensure that they meet the national environmental protection standards and relevant local standards. It is strictly forbidden to discharge the waste acid from the broken battery directly into the environment without treatment. The waste water discharged shall comply with the integrated wastewater discharge standard (GB8978-1996); the waste gas from smelting and refining processes shall be discharged into the dust removal system in an organized way; the waste gas discharge shall comply with the pollution control standard for hazardous waste incineration (GB18484-2001).
Waste slag from smelting process, sludge from waste water treatment system, lead containing dust (ash) purified and recovered by dust removal system, waste adsorption material in dust prevention system, coal-fired slag, etc. must be treated innocuously; water treatment sludge with high lead content, lead containing dust (ash) must be returned to smelting furnace for smelting; the working environment must meet the hygienic standard for design of industrial enterprises (GBZ1-2002) and occupational exposure limits for hazardous factors in the workplace (gbz2-2002); all employees must have regular physical examination and keep records. The enterprise must have a perfect emergency plan for sudden environmental accidents and corresponding emergency facilities and equipment; the enterprise should be equipped with complete wastewater and waste gas purification facilities, and install automatic monitoring equipment. The production enterprises of recycled lead and the enterprises engaged in the collection, utilization and disposal of hazardous waste containing lead should obtain the hazardous waste business license according to law.
According to the "environmental protection law of the people's Republic of China" and other relevant laws and regulations, all new, reconstruction and expansion projects must strictly implement the environmental impact assessment system, discharge pollutants with a permit (except for areas where the permit system has not yet been implemented), and discharge up to the standard. The existing lead-zinc mining and smelting enterprises must implement the compulsory cleaner production audit according to law. The environmental protection department shall supervise and inspect the implementation of environmental protection standards by the existing lead-zinc smelting enterprises, regularly issue the list of enterprises that meet the environmental protection standards, and decide to treat the enterprises that fail to meet the emission standards or exceed the total amount of pollutants within a time limit. If the treatment fails to meet the standards, the local people's Government shall decide to stop production or close down the enterprises according to law.
It is strictly forbidden for mining enterprises to damage and pollute the environment. It is necessary to earnestly implement the procedures of examination and approval of environmental impact assessment documents and "three simultaneous" acceptance of environmental protection facilities. It is necessary to strictly implement the land reclamation regulations and fulfill the land reclamation obligations. In accordance with the requirements of the guiding opinions on gradually establishing the responsibility mechanism for mine environmental governance and ecological restoration issued by the Ministry of finance, the Ministry of land and resources and the State Environmental Protection Administration, the deposit system for environmental governance and ecological restoration shall be gradually established, which shall be specially used for mine environmental governance and ecological restoration. Management of mine investment project