For the continuous improvement of the province's environmental air quality, enhance people's happiness index, Henan Province Government Office issued the "2019 campaign of air pollution control implementation plan." Details are as follows.
1, to carry out special treatment industrial furnaces
Based on the melting furnace, the melting furnace, sintering machine (furnace), roasting furnace, a heating furnace, heat treatment furnace, a drying furnace (kiln), coke oven gas furnace 9 categories, to carry out an intensive investigation, the establishment of industrial furnaces Details inventory management, enhance the implementation of classification regulation. Not included in the investigation of industrial furnaces list, all included in the autumn and winter peak load shifting discontinued inventory.
2, to carry out clean alternative
Of coal, petroleum coke, residual oil, heavy oil as the fuel of a heating furnace, heat treatment furnace, a drying furnace (kiln), and actively promote the use of natural gas, electricity and other clean energy and the use of plant waste heat, heating power plant and the like instead.
3, to carry out comprehensive improvement of industrial boilers
Before the end of October 2019, in addition to undertaking tasks and will not have the alternative livelihood conditions, the province's basic complete 35 steam tons / hour boiler clean energy transformation or removal of coal-fired. Transformation methods include the removal, an alternative central heating, gas coal, coal to electricity, use geothermal, wind, solar, biomass with a bag filter. Chaigai on schedule to complete the coal-fired boilers, based on 40,000 yuan / tons of steam prize money up. Forbidden to use has been shut down and eliminate waste coal-fired boilers to cash rewards and subsidies.
4, strengthen upgrading gas-fired boiler
Before the end of October 2019, the provincial municipality and county (city) district built more than 4 tons of steam and low nitrogen gas boiler complete transformation after transformation, soot, sulfur dioxide, nitrogen oxide emissions are not higher than the concentration of 5,10,50 mg / cubic meter.
5, strengthen upgrading oil-fired boiler
Before the end of October 2019, the provincial municipality and county (city) district built more than 4 tons of steam and fuel (including alcohol-based fuel) boiler low nitrogen complete transformation after transformation, soot, sulfur dioxide, nitrogen oxides emission concentration is not high in 10,20,80 mg / cubic meter.
6, vigorously promote urban central heating
Full use of existing resources and central heating facilities, the existing large-scale heat sources and central heating pipe network in the area, in-depth investigation heating demand, and promote the rich heating capacity extends to reasonable radius and root out the potential heating, heating reduce blind spots. Before the end of October 2019, Zhengzhou, Anyang, Jiaozuo, Puyang City, built-up area of central heating penetration reached more than 90 percent, Xinxiang City, central heating penetration reached more than 85%; Luoyang, Xuchang, Jiyuan City, central heating penetration reached 3 more than 80%; Sanmenxia central heating penetration 75% or more; unsealing, Pingdingshan, Hebi, 4 Zhumadian City, central heating rate of 70%; Luohe, Shangqiu, Nanyang 3 City central heating penetration reached 60% .
A 2t h boiler for dairy plant water testing methods) and storage of water samples taken 1, depending on the volume of water analysis items, only a simple analysis of water samples is generally 500 to 1000 ml. 2, the sample container should be filled with water using a rigid glass or plastic bottle. Never use of wood, paper balls, metal plugs and maize. 3, sampling Note Samples should be slowly into the bottle, it can not produce water rippling. When the water sample into the bottle 10 ml shall be left void, or to prevent the water temperature changes, the cork pushed open. When averaged water sample must be taken at the same time under the same conditions. Determination of the hydrogen ion concentration in water (B) PH value of which depends mainly on the carbon dioxide, bicarbonate ion content of between opposing sulfate ions, but also somewhat affected by other ions. Whichever it is usually expressed negative numbers. Symbol "PH". PH = log [H +] measured PH value method has potential method and colorimetry, only the chapter describes the more common potential method. PH value of measured potential method, the potential difference between the solution is indicated in the measurement and reference electrodes difference generated. The potential of the reference electrode is constant, the potential of the indicator electrode with different PH value of the solution is changed. Thus the electromotive force consisting of a battery can be measured accurately with the compensation method. Using PH PH meter can be directly measured value of the solution. The procedures for measuring PH meter may be used, accuracy of 0.01. (Iii) Determination of calcium measured calcium EDTA volumetric method widely used in the PH> 12 in an alkaline solution, by EDTA titration, acidic chrome blue K- Naphthol Green B as an indicator, titration end point from red to blue 1, a reagent filter paper was immersed in Congo red 0.1% Congo red solution, soaked until removed, and then dried in air, and then cut into 1 × 1 cm pieces of about. Ammonium hydroxide - ammonium chloride buffer solution (pH 10.1) was weighed 67.5 g of ammonium chloride dissolved in 200 ml of water, was added 570 ml of ammonium hydroxide diluted with water to 1000 ml. Weigh calcium standard solution bake for 3 hours at 105 ~ 110 ℃ pure carbon 1.2485 g of calcium beaker, calcium carbonate solution to dissolve just finished boiling rush carbon dioxide with dilute hydrochloric acid. After cooling, into 1000 ml flask, diluted with distilled water to the mark. This solution was 0.5 mg per ml of calcium ions. Tetraacetic acid disodium (EDTA) disodium EDTA weighed 2 g, dissolved in 1000 ml of water to dissolve a little heat, pressing calibration method: lessons per ml standard solution containing 0.5 mg of calcium ions 5 to 10 ml, in a dry 250 ml Erlenmeyer flask, diluted with water to about 50 ml, analysis by calibration procedures; calculated equivalent concentration: where: N - equivalent concentration of calcium standard solution consumed V1-- EDTA titration standard EDTA standard solution few ml solution; the total solution milliliters V - C - 1 ml of the number of milligrams of calcium standard solution of calcium; 20.04-- equivalents of calcium. K-- Acid Chrome Blue mixed indicator naphthol green B; 0.5 g, said acid Chrome Blue K with 1 g of naphthol green B, was dissolved in 5 ml of ammonium hydroxide in PH10.1 - ammonium chloride buffer solution (preparation method see the measurement of magnesium), and add a little hydroxylamine hydrochloride, water was added to 100 ml shake. 2, Procedure Pipette 50 ml of water and 100 samples, 20% sodium hydroxide solution was added 2 to 3 ml, acid chrome blue K-- naphthol green B 2 drops of mixed indicator, titrated with EDTA standard solution changed from red to blue is the end note of the consumption of EDTA standard solution, preservation solution for the determination of magnesium. Calcium content of the sample is calculated as follows: wherein V1-- Titration standard solution consumed few ml EDTA; N - equivalent concentration of EDTA standard solution; V - sample volume, ml. (Iv) the PH10 determination of magnesium in the solution to acid chrome blue K- naphthol green B as indicator titration with EDTA standard solution of calcium, magnesium content. It titration end is blue. Then subtracts the subtraction to yield a calcium content and magnesium content. It may be in solution after titration calcium, magnesium measured continuously adjusted PH value. Assay (e) the sulfate (gravimetric method) with barium sulfate to form sulfuric acid in an acidic solution precipitated barium. Obtained from the sulfate content by weight of barium sulphate (sample when large water content, with hydrochloric acid in advance to be evaporated to dryness, the sulfate measured by the steps below to root damage nitrate: 100 ml water samples taken transparent, injection 250 ml beaker, and 1: 1 solution of 2 ml of hydrochloric acid, heated to boiling, hot slowly added under stirring 10 ml of 5% barium chloride solution, incubated for 2 hours on a water bath or sand bath, or overnight, and then quantitative filter paper with a dense, washed with hot distilled water until free from chloride ions (checking with silver nitrate solution) so far. the precipitate was dried together with the filter paper, into constant weight porcelain crucible, carefully ashing furnace set temperature, calcined at 850 deg.] C to constant weight sulfate ion content of the following formula: sulfate (mg / l) = formula weight of precipitated barium sulfate in W-- (mg); V - measured as the volume of water samples . 1.gb6903-1986 standard boiler water and cooling water measured analysis General 2.gb/t14415-1993 boiler water and cooling water 3.gb/t6908-1986 analysis of the solid matter boiler water and cooling water conductivity analysis Determination 4.gb/t6904.1-1986 pot Determination of mercuric nitrate boiler water and cooling water 6.gb/t14419-1993 Analysis 5.gb/t6905.3-1986 boiler water and cooling water chlorides Analysis Analysis water and cooling water ph glass electrode method of measurement Determination of hardness 8.gb/t6909.2-1986 boiler water and cooling water analysis method for measuring hardness 7.gb/t6909.1-1986 boiler water and cooling water Determination of alkalinity high hardness low hardness 9.gb/ Determination t6913.2-1986 boiler water and cooling water analysis Determination of total inorganic phosphate boiler water and cooling water 10.gb/t6913.4-1993 phosphate phosphate analysis
First, we can tell you that the production process of the 2t h boiler for dairy plant is very strict and have quality assurance. Gas-fired steam boiler pressure vessels, each production has a strict inspection standards and quality measures. After the completion of each production processes and inspection, to enter the next production processes; if failed, will need to rework, we can not tolerate the slightest error.
Low nitrogen transformation technology transformation technology low nitrogen gas steam 2t h boiler for dairy plant steam boiler gas analysis analysis? Currently, in order to comply with national and local environmental trend adjustment policy, the pharmaceutical industry began the boiler has been transformed, and low nitrogen transformation technology is one of them. As the current in the pharmaceutical industry, gas powered steam boiler is more extensive, Xiao Bian below to low nitrogen gas transformation gas steam boiler, for example, to analyze the technical transformation of low nitrogen gas steam boiler. Generally speaking, the low nitrogen transformation to achieve the effect is nothing more than two, one energy saving, emission reduction Second, with regard to energy-saving technologies, currently more common is the FGR flue gas recirculation technology, condensing technology, premix technology , organic combination of these techniques, the heat released by combustion of boiler fuel effectively used to enhance the operating efficiency of the boiler heat to some extent, to achieve the effect of energy saving; the reduction is divided into two general gas boiler emissions in the basic 150mg / m3 and above, and now the state is required standards 80mg / m3, or even 30mg / m3 and below, so for this standard, the transformation of emission reduction First, instead 80mg / m3 emissions, and second, is 30mg / m3 emissions, according to the specific needs of the pharmaceutical companies use the boiler area, the field and the actual situation of the site is determined to make the final, but strictly speaking, the venue for the pharmaceutical industry which is closely related with people, the more emissions low as possible. After the course, with regard to emission reduction technologies and the use of energy-saving technologies have in common is, the energy saving effect of this boiler is a comprehensive measure, based on a simple survey data, basically the transformation of low nitrogen gas steam boiler , basically thermal efficiency can reach more than 98% of the cost of running the boiler, ranging from 150,000 to 200,000 will be reduced, basically it will soon be able to return the cost of renovation. In short, low nitrogen gas steam boiler technology reform on the one hand can be appropriate to extend the life of the boiler, but also bring a certain margin improved for the enterprise value per unit time, is also possible to reduce emissions, it can be said to serve multiple purposes of effect.Free Chat
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