industry vacuum water tube boiler dealer

Fast boiler manufacturers of vacuum hot water boiler, the heating section combustion Q235 high quality sheet and # 20 steel pipe material, the combustion chamber is sufficiently large, a large heating area, a small furnace heat load; boiler small size, compact structure, and small water capacity, heating speed, it has the following advantages:

Recently, in Hebei (Shijiazhuang, Tangshan, Handan, Xingtai, Baoding, Cangzhou, Langfang, Hengshui, Taiyuan), Shanxi (Yangquan, Changzhi, Jincheng), Shandong (Jinan, Zibo, Jining, Texas, Liaocheng, Binzhou, Heze ), Henan Province (Zhengzhou, Kaifeng, Anyang, Hebi, Xinxiang, Jiaozuo, Puyang) and other municipal people's government, security male New District management Committee, Dingzhou, Xinji, Jiyuan City people's government and the China National petroleum Group Co., Ltd., China petroleum and Chemical Group Corporation, China national Offshore oil Group Co., Ltd., State grid Co., Ltd., China Railway jointly issued on the issuance - notice "2018 in Beijing, Tianjin and the surrounding areas in 2019 autumn and winter tackling air pollution comprehensive management action plan" of.

The following are the provisions on the rectification of energy.

Setting goals: adhere to the principle of maintaining stability in the consolidation of ambient air quality improvement achievements, promote air quality continues to improve. Fully completed to improve air quality objectives 2018; Oct. 1, 2018 to March 31, 2019, (of PM2.5) Jingjinji average concentration of fine particles and the surrounding area fell about 3%, and more severe pollution days year reduced by about 3%. The main embodiment of the above-mentioned range is "26 + 2" city.

Execution method: to promote clean heating, iron revolution, transformation of provincial enterprises mentioned standard, focusing on the consolidation of comprehensive "scattered pollution" enterprise rectification results, pay close attention to diesel trains, industrial furnaces and volatile organic compounds (VOSc) special rectification, strengthening regional joint prevention and control, to effectively deal with heavy pollution weather, strict supervision and accountability, to further promote the comprehensive management of air pollution in autumn and winter tackling behavior.

First, strictly control the "two high" industry capacity. Before the end of December 2018 to complete the delineation of ecological protection red line. At the same time, increase the iron and steel, coking, building materials industry production capacity out and Yajian efforts to be included in the capacity of iron and steel enterprises, supporting the need to also sign sintering, coke oven, blast furnace and other equipment. 2018, steel production in Hebei Yajian can withdraw 10 million tons, 2.25 million tons in Shanxi Yajian quit, Shandong Province Yajian raised 3.55 million tons. Ensuring electricity, heat stable supply basis, 38 out of the task a total of 2.77 million kilowatts of coal-fired units of small thermal power units in the region.

Second, to deepen industrial pollution control. Since October 2018 1 May, the strict implementation of thermal power, steel, petrochemical, nonferrous metals (excluding aluminum), cement industry, industrial boilers and air pollutant emission limits in particular, to promote pollution control facilities upgrading in key industries. Continue to promote the industrial enterprises fugitive emissions control, under the conditions of safe production license, the implementation of closed storage, custody transfer, collection system, the end of December 2018 basically completed.

Third, effectively promote clean heating. The pooling of resources and vigorously promote the coal for governance, the country should be in accordance with the pre-heating period in 2020 basically completed the life and motivations of heating coal for alternative tasks required plains, to develop a three-year implementation program to determine the annual task of governance, both agricultural greenhouses, animal building, etc. bulk coal governance, promote energy-saving buildings synchronization, improve energy efficiency.

According to the country report, before the end of October 2018, "26 + 2" cities to complete the bulk coal substitution 3.62 million. Among them, Beijing replace 150,000, Plains basically bulk coal "cleared"; Tianjin replace 190,000, and strive to the end of October 2019, the basic completion of coal for alternative work; Hebei replace 1.74 million, and strive to 2019 basically completed before the end of October to the south of Beijing, bulk coal substitute work north of Shijiazhuang City; Shanxi replace 280 000, 450 000, Shandong Province, alternative, Henan replace 810,000. Around the township or county as a unit overall progress, complete replacement of bulk coal regions, and adopt comprehensive measures to prevent bulk coal burning complex.

Fourth, to carry out comprehensive improvement of the boiler. According to the law to increase the small coal-fired boilers in accordance with regulations (including tea furnace, operating a stove, grain storage and drying equipment, coal-fired facilities) elimination efforts.

Before the end of December 2018, Beijing, Tianjin, Hebei (city) basically eliminated 35 tons of steam per hour coal-fired boilers; Shanxi, Shandong, Henan eliminated 10 tons of steam per hour and coal-fired boilers, urban area basically eliminated 35 tons of steam per hour at coal-fired boilers.

Before the end of October 2018, Tianjin, Hebei, Shandong, Hebei (city) basically completed 65 tons of steam per hour and above ultra-low emission coal-fired boilers transformation, to achieve ultra-low-emission coal-fired power plant level. Biomass boilers should be dedicated boiler, coal and other prohibited blended with other fuels, efficient dust bags and other ancillary facilities. Actively promote the urban area of ​​biomass boilers ultra-low emissions transformation.

Accelerate the transformation of low nitrogen gas-fired boilers, in principle, after the transformation of Danyang outdoor emission concentration is not higher than 50 mg / cubic meter, before the end of October 2018, Beijing basically completed the task of transformation of low nitrogen gas boiler; Tianjin complete the transformation of 222 units, 5908 tons of steam; Hebei Province, completed 353 units, 8028 tons of steam; Shanxi Province, completed 17 sets of 100 tons of steam; Shandong Province, completed 182 units, 409 tons of steam; Henan Province, and strive to complete 278 units, 1450 tons of steam.

Fifth, speed up clean energy alternatives. Of coal, petroleum coke, residual oil, heavy oil as the fuel of a heating furnace, heat treatment furnace, a drying furnace (kiln), and accelerate the use of clean energy and the use of plant waste heat, thermal power plants and the like instead.

Before the end of December 2018, the basic ban coal-fired stove, the iron and steel industry, coal-fired heating boilers; nonferrous metals industry basically out of coal-fired kilns, coal-fired reverberatory furnace, lead melting pots and pans electrical lead with coal as a fuel; basically eliminated coal-fired cogeneration heating the heating pipe network coverage, drying furnace (kiln); blast furnace gas, coke oven gas desulfurization transformation embodiment, the gas hydrogen sulfide concentration of less than 20 mg / m; diameter vigorously eliminate hearth 3 meters fuels gas furnace; industrial park focused on the use of gas stoves, they will not have to switch to natural conditions, should build a unified clean coal gas central principle. Prohibition blended sulfur petroleum coke.

The principle of a vacuum hot water boiler, hot water boiler works vacuum: a vacuum hot water boiler had already appeared in the early 1970s, first in the finished product is available in Japan. Development of domestic hot water boiler in a vacuum there are some manufacturers in the late 1980s, but due to technical issues, has not been promoted. Now that Japan has more mature models in China has also been a joint venture factory, the author is the choice of a dual-loop vacuum hot water boiler of the plant. The structure of vacuum hot water boiler, by the combustion chamber (furnace), water, vacuum vapor chamber, heat exchanger, heat medium consisting of water or the like. Vacuum state within the body, from the outside air, a sealed state is formed. HTM furnace and covered with water in a sealed tube and within the body, by the pressure of the negative pressure in the steam chamber is maintained below atmospheric pressure, when the heat medium water confined in the inner combustion heating, boiling up immediately, generating heat medium water steam of the same temperature. Steam generated in the machine during the ascent, the contact surface of the heat exchanger is disposed in the negative pressure of the steam chamber, since the water temperature in the heat exchanger is lower than the steam temperature, steam condenses on the heat exchanger surface and release a large heat of vaporization , the water heating heat exchanger, the condensed water under the action of the policy back to the heat medium water again. Accordingly, the heat medium water is constantly "boiling evaporated = = = heat medium condensed water" in a closed loop body. No need to supplement the condensed water, no air burning danger. Water heat exchanger is supplied to the user for heated sanitary hot water and air conditioning. To ensure the reliability of the vacuum hot water boiler operation, the three manufacturers to ensure: 1. In order to ensure a degree of vacuum inside the boiler, at the factory to create a rigorous inspection, the quasi gas leak detection, to ensure that the production process boiler airtight tank. To maintain the degree of vacuum, and to prevent the event, the plant is equipped with a standard suction pump. When the vacuum tank hot water boiler body, the heat medium water is heated to 90 ℃, according to the degree of vacuum exhaust pump automatic operation of the tank, not only the air out of the tank, also the presence of dissolved oxygen in water to remove the heat medium, to keep certain negative pressure, produced inside the tank will not corrode. 2. The heating medium water through a special manufacturing plant impurity, oxygen, water softening treatment, in the production of disposable infusion, can be recycled at runtime, without generally no special filling. I visited the plant in the design of the user survey, a Shanghai Electrical Machinery Plant, 87 years put into operation a vacuum hot water boiler, use a decade overheated media never raise water, which can still work normally. 3. The heat exchanger of the boiler with special requirements, using SUS444 stainless steel tube, which requires a special process during tube processing. The tubing is difficult to furring, high heat transfer efficiency, will not rust, the heat exchange tubes in a more than ordinary quality restrictions, flow rate.

Effect of boiler efficiency vacuum indicators are carrying a group of Chinese incentive impressive motion coal to natural gas using a vacuum boiler fouling greatly reduces contamination, together with nitrogen oxides and other hazardous discharge gas compression is obtained. Efficiency is a key indicator of a measure of navigation vacuum boiler, behind a number of incentives to explore under the influence of vacuum boiler efficiency indicators. Through the relevant departments of the test, vacuum heat loss from the boiler of the more important of two parts: the air combustion and emissions related to smoke than heat loss unreasonable. Reducing the particulate emission can be retrofitted chimney heat loss in the waste heat boiler vacuo reused tail configuration, or using more advanced functions FGR boiler. Decomposition ratio of the combustion air fully unsuitable unreasonable: conventional vacuum ejector boiler combustion engine, air-fuel ratio resulting in no way be flexibly adjusted. More vacuum boiler using a mechanical blower burner, causing air-fuel ratio unreasonable incentives are the following: the more important air-fuel ratio unreasonable situation can be divided into two kinds: when the airflow too much, there will be countless excess cold It is the action of heat, causing increased power consumption vacuum boiler, vacuum low boiler efficiency index; when the airflow is not enough, there will be incomplete burning was caused by low boiler efficiency index in vacuo.

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