oil or gas boiler for paper mill

oil or gas boiler for paper mill

The third reason is that the amount of nitrogen oxide released during operation is very small. Most heating equipment such as ordinary oil or boiler for paper mills need to use coal materials as raw materials when they are in operation. Materials such as coal generally release a large amount of hazardous air-quality substances when burned. The condensing boiler uses the steam produced by natural gas combustion as the raw material when it is in operation, so the nitrogen oxide content released during the operation is much lower than the prescribed standard. The analysis of the reason for the year-by-year increase in the sales of condensing boilers has come to an end for the time being.

Jilin Province is located in northeast China, colder winter. Jilin Province is the autumn and winter air pollution problems are most acute period is the peak period of fog and haze. To reduce the frequency of occurrence of fog and haze, to reduce emissions of air pollution, according to "implement the central Jilin Province Environmental Protection Inspector feedback reform program", Jilin cities to carry out the 2018 autumn and winter special law enforcement inspection of non-electric coal-fired oil or boiler for paper mills. Specific implementation of the program as follows.

2018 autumn and winter non-electric coal-fired boiler special law enforcement inspection action plan

First, the objectives

Through the "2018 autumn and winter special law enforcement inspection of non-electric boiler coal" action to further increase the intensity of emissions of air pollutants such as excessive penalties for violations combat, urge local governments and environmental protection departments to effectively implement the "Jilin province to implement the central environmental protection inspector feedback reform program, "Forced enterprises to speed up 10 tons of steam coal-fired boilers small and out of more than 20 tons of steam and non-electric coal-fired boiler pollution control facilities upgrade progress to ensure stable discharge standards.

Second, the scope of the inspection

Cities (prefectures) and Changbai Mountain Administrative Committee, Meihekou, Gongzhuling City, Hunchun.

Third, check the time

2018 Nian September 1 to November 30.

Fourth, inspection methods and content

Cities (prefectures) and counties under the jurisdiction of Changbai Mountain Administrative Committee to set up inspection teams to units in the area to take a cross peer review mode, Meihekou, Gongzhuling City, Hunchun to self-oriented.

The principle of mutual cross-check on the environmental violations found, the city's environmental protection departments at all levels in accordance with "should check to make investigation, should make a fine penalty, should be moved to make-shift" of errant given time out of the boiler, not dust removal facilities renovation no construction of desulphurization facilities are not required to install, networking, using automatic monitoring equipment, excessive discharge of pollutants and other acts take full advantage of "environmental law" and supporting measures to implement daily basis penalties, limited production shutdown, sequestration, administrative detention measures to deal with.

Focus on examination of the following:

(A) the progress of 10 tons of steam coal-fired boilers little out of work. According to "implement the central Jilin Province Environmental Protection Inspector feedback reform program," according to the time limit set by local governments, the progress of the phase-out of coal-fired boiler 10 tons of steam since 2014, the province's illegal 1570 newly registered units to be checked.

(B) more than 20 tons of steam coal-fired boiler non-electric dust removal, desulfurization facilities upgrade progress, automatic monitoring equipment installation, networking, usage. By ShengTing 6, July scheduling, the current to complete the rectification stage 717, stage 108 does not start the rectification, the rectification is 277, automatic monitoring equipment table 140 is not installed, the slow progress of the rectification. To complete the transformation around the boiler on-site verification, focusing on inspection facilities dust removal, desulfurization facilities upgrading and installation of automatic monitoring equipment, networking, usage. Percentage being modified, check the current progress of the major transformation of the situation, progress of the project, the time frame for completion, safeguard measures taken, it requires the use of boiler units issued commitments. For failure to start the transformation, to identify the main reason for not starting. If we do not transform the way in which the pin number to take all necessary construction and renovation tasks must be completed in accordance with the requirements of 30 September.

(C) boiler emissions standards. To install automatic monitoring equipment to monitor them than to confirm the validity of the data. For failure to require the installation of automatic monitoring equipment, shall be punished in accordance with relevant laws and regulations, at the same time supervisory monitoring, to determine whether to achieve a stable discharge standards.

Fall and winter heating season is the peak of Jilin Province, to ensure the normal heating units, we must also pay attention to boiler problems in the process of environmental protection. For the high-emission, high-polluting coal-fired boiler and other fuel boiler, to be banned or corrective action.

Fuel gas control step and the blowing process air volume of the total fuel gas steam oil or boiler for paper mill steam boiler is achieved by adjusting a liquid coupling scoop blower. Organization fuel gas steam boiler combustion, is to make a, air pressure, air flow of secondary air with the good. Adjusting the amount of primary air should meet it carries the fuel into the furnace ignition of volatile oxygen required, and to maintain a certain speed, and without clogging the fuel discharge pipe of the jet having a certain rigidity. Primary air volume is too large and too small, the wind speed is too high and too low, should be avoided. In addition to adjusting the secondary air of combustion of the fuel should ensure that the oxygen demand, but must maintain a certain wind speed and primary air is mixed with the master time should have a strong stirring and mixing coke penetrate "the Gray" kinetic , which requires the case may be, each layer of the secondary air flow rate, in order to achieve stable combustion and flue gas excess oxygen appropriate destination. Fuel gas steam boiler, secondary air with what is better? Primary air volume air volume of the total share is called the primary air rate. A small air fraction, pulverized coal is heated to at least the heat required for the ignition point, fire faster, but the amount of primary air to satisfy the principle of combustion of volatiles. Secondary air mixed with the primary air time to the right. If it is mixed before ignition, means an increase in the amount of primary air, so that the ignition delay; hypoxia combustion secondary air if mixed will make late after ignition; if secondary air is mixed all at one position, since the secondary air temperature well below flame temperature, the flame temperature decreases, the combustion slows down, causing the fire. Therefore, the secondary air mixed with fuel should be based on the nature of the combustion zone as required timely sent, so that the combustion of oxygen, and will not reduce the flame temperature to ensure complete combustion and ignition stability. One or two wind speed with what is better? Fuel gas steam boiler once the wind speed is high, the fuel gas stream will catch fire in places far away from the burner, the ignition point postponed; once the wind speed is too low, it will cause a blocked ducts, and ignition point is too far forward, the burner will burn , but also easy to coke near the burner.

How to improve the thermal oil oil or boiler for paper mill efficiency oil boiler thermal efficiency is a lot of users are taken into account, we believe that this issue is the direction of each used in the production of various types of oil boiler manufacturers have been in the study. Many users at the time of the oil furnace to operate, often in the actual production process, we found some new problems, but all the problems, the headache is higher oil boiler flue gas temperature, low thermal efficiency the phenomenon that a serious impact on our work, then how should we do to improve the thermal efficiency of it? need to understand this is to meet the low-temperature characteristics of the thermal oil comes as synthetic heat transfer oil. However, the vast majority of synthetic HTF complex biphenyls, benzene derivatives of both components, or a vapor of volatiles has strong carcinogenicity, it is strongly recommended to select customers conducting oil mineral oil products. Second, conducting oil products to meet the low temperature performance process, but also have a relatively high flash point required. In general, oil engineers suggest, low flash point not lower than the HTF opening 200 ℃. After a professional manufacturer of continuous research and improvement of its equipment, in order to improve its thermal efficiency was found to be increased oil boiler heating surface of the tail, say, air preheater and economizer. But when organic heat carrier furnace return temperature is high, you can not set the economizer, air preheater can only be set to alleviate the situation. So if the oil boiler and not other low-temperature heating system heat exchanger, then the only way to improve energy efficiency is adding air preheater. After adding air preheater can be a corresponding increase in the flow rate of heat-conducting oil, oil boiler in order to ensure safe, reliable and stable work, the thermal efficiency of the boiler plant with thermal oil will be a corresponding increase.

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