Emission standard of air pollutants from kilns

Nanjing Baisheng Glass Technology Co., Ltd. and Nanjing Baisheng Kiln Engineering Co., Ltd. were established in February 2006 and January 2014 respectively. Is a professional company engaged in glass factory (kiln) design, kiln (equipment) construction and installation and glass production technical services.

1. Scope

This standard stipulates the maximum allowable emission concentration of industrial furnace dust, productive dust and harmful pollutants and the emission limit of smoke blackness according to the number of years.

This standard is applicable to the management of industrial furnaces using solid, liquid, gas fuel and electric heating except coking furnaces, incinerators and cement plants, as well as the environmental impact assessment, design, completion acceptance and emission management of industrial furnace construction projects.

1. Reference standard

The provisions contained in the following standards constitute the provisions of this standard by being quoted in this standard.

GB 3095-1996 Environmental Air Quality Standard

Determination of particulate matter in exhaust gas from stationary pollution sources and sampling method of gaseous pollutants

2. Definition

This standard adopts the following definitions

A. industrial furnaces

Industrial furnace refers to the thermal equipment that uses the heat generated by fuel combustion or electric energy conversion in industrial production to smelt, roast, sinter, melt and heat materials or workpieces.

B. Standard status

Refers to the state of flue gas at a temperature of 273K and a pressure of 101325Pa, which is referred to as "standard state" for short. The emission concentration specified in this standard refers to the value in dry flue gas under standard conditions.

C. unorganized emissions

Where smoke and dust, productive dust and related harmful pollutants are leaked without passing through the chimney or exhaust system, it is called unorganized discharge.

D. excess air coefficient

The ratio of actual air demand to theoretical air demand during fuel combustion.

E. air mixing coefficient

The air mixing coefficient of cupola refers to the ratio of the amount of air entering the furnace body from the charging port to the theoretical air demand of cupola process.

3. Technical content

A. Applicable areas of emission standards

A. This standard is Grade I, Grade II and Grade III, which correspond to the ambient air quality functional zones in GB 3095:

The first-class area implements the first-class standard;

The second class area implements the second class standard;

The third class area implements the third class standard.

B. In Class I areas, except temporary asphalt heating furnaces for municipal and building construction, it is forbidden to build new industrial furnaces, and the pollution load shall not be increased when the original industrial furnaces are rebuilt.

B. For various industrial furnaces and kilns installed before January 1, 1997 (including those that have not been installed, but the environmental impact report (table has been approved), the maximum allowable emission concentration of smoke dust and productive dust and the limit value of smoke blackness shall be implemented as specified in Table 1.

Nanjing Baisheng Glass Technology Co., Ltd. is a professional company that mainly serves the glass factory design, glass engineering installation and construction, ignition and baking kiln, commissioning and related technical training, technical services, and cold and hot repair of glass kilns for flat glass, photovoltaic calendered glass, electric light source glass, daily glass, water glass and ceramic frit production lines. The registered capital of the company is 1.6 million yuan. At present, there are 25 professional engineers and technicians, including 10 with senior professional titles and 30 middle and senior technicians. The company not only has glass engineering design, professional kiln construction, professional technology and construction team for hot repair of large and medium-sized glass kilns.

The professional technicians of Nanjing Baisheng Glass Technology Co., Ltd. focus on the design and production technology of float glass, flat-drawn (lattice) glass, calendered glass and photovoltaic calendered glass production lines, and have carried out bold innovation and transformation from 60t/d to 600t/d, from marten flame and transverse flame furnaces. In recent years, cold repair, baking, thermal insulation and hot repair of large-scale float and rolled glass furnaces are the main projects of the company.

Proprietary technology of Nanjing Baisheng Glass Technology Co., Ltd.: energy-saving kiln design technology, roof replacement of hanging brick on breast wall of kiln cold repair, integral lifting and lowering technology of large arch, design and installation of "L" hanging wall, and low-input raw material automatic batching system. The company takes "technology, innovation and service" as its purpose to create value for customers.