"Vacuum" refers to an automatic vacuum apparatus and the pressure inside the boiler is lower than the outside atmospheric pressure is low with water a low boiling point characteristic, rapid heating of the heat medium water, increase the heat transfer rate.
Food processing industry uses steam boilers which operate food processing industry often use to steam boilers of various food processing operation is mainly carried out, in particular, a variety of breads or crackers and dairy enterprises to use more frequently, because the professional steam boiler with a good the thermal energy conversion and the ability to run stable, so use in the food processing industry will not only help businesses complete and efficient processing operations, but also to maintain clean and sanitary clean food processing implementation of environmental protection. Following small to lead everyone together at understanding the food processing industry uses steam boilers mainly operating items: first, boiling the food industry often require a lot of boiling can be achieved cooked food processing, can be completed quickly and efficiently through steam boiler boiling processing operations for different food processing quality requirements for foods high in particular for the hygiene, so only choose environmentally friendly high steam boiler no pollution to meet the needs of those who fried. Second, in many food processing distillation further need for effective distillation, distillation is the moisture in various food effectively separated by the steam boiler, the boiler is operated by distillation high vacuum to ensure not only food flavor, but also a variety of water inside the fast food apart from effective, ready for the next step of food processing operations. Third, disinfection and drying foods such as crackers or bread and meat, etc. need to be disinfected drying operation, is also inseparable from the operation of steam boilers to use, and fast food by high-temperature steam boilers have the advantage of high-temperature steam persons and foods after steaming who finished drying disinfection reach the standard, not only through the use of steam boilers safe and easy to control temperature and pressure, avoid food drying too far or moisture content higher processing negative phenomena . The total square of the steam boiler in the food processing industry can play a role in self-evident, and can achieve a variety of machining operations functions, in addition to boiling or distillation can also be extracted and disinfection drying and curing, etc., With good service, good after-sale steam boiler can not only ensure that the food processing industry to have efficient processing technique, but also to ensure food production standards of food hygiene and clean up to more demanding.
Vacuum hot water boiler on those points we need to know: we usually refer to the hot water boiler is divided according to different ways, have different classification; wherein if in accordance with the boiler pressure points, then, can be divided into atmospheric hot water boilers, pressure hot water boiler, china heating vacuum hot water boiler machine; for atmospheric pressure and we may be more understanding, that comparison, for vacuum boiler maybe not so familiar with, then, as far as it relates to the problem, we have to carry out simple doubts, let us better understand its characteristics, uses, etc. 1. What is a vacuum? Divided into physical vacuum and vacuum industrial vacuum two kinds. Physical vapor space means no presence of particles, industrial vacuum pressure refers smaller than a standard atmospheric gas space, refers to the state of the lean gas, usually obtained with a special vacuum pumping machine, the vacuum in the vacuum are industrial boiler vacuum. 2. What is a vacuum hot water boiler? The so-called vacuum boiler, also known as vacuum phase transition boiler. When the normal operation means, the boiler pressure below atmospheric pressure inside the medium, the cold water is heated by the boiler phase change heat mode. 3. What are the key technology of vacuum boiler is? Key technology is the degree of vacuum vacuum boiler to maintain long-term stability, leakage rate is minimal. 4. What is the vacuum hot water boiler heat exchanger the material is? Heat exchanger disposed in the vacuum boiler SUS304 stainless steel tube. 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. The vacuum hot water boiler temperature control temperature control two ways:? Media outlet water temperature control and temperature control. The default for the water temperature control medium. When the water temperature is selected to control the combustion temperature is automatically adjusted with the water, but if the water medium temperature exceeds set limit on the medium water, burner heating was stopped, the water continues to be lower than the medium by the burner outlet temperature regulator when a temperature of 5 degrees limit status. 6. A vacuum boiler safety device which has a safety device for a vacuum boiler:? ① heat medium water temperature control, may control the temperature inside the furnace heat medium water; ② the heat medium water level control, may control the heat medium inside of the furnace body the level of water; ③ the beginning of the pressure, when the abnormal pressure rise within the furnace operation, the combustion is automatically stopped; ④ hot water temperature control, when the over-temperature water temperature, the combustion is automatically stopped; ⑤ destructive protection: explosion-proof valve. When abnormally high pressure furnace, steam furnace body is released to the atmosphere, to ensure that the unit never danger of explosion. 7. What are the main features ① vacuum boiler pressure vessel does not require local authorities to monitor, installation needed to use;? ② do not need to pay, no good water resistance, long life; ③ low energy efficient, operation and management costs; ④ reduce auxiliary, saving investment; ⑤ high safety performance. 8. Why ① vacuum boiler can be small energy radiative heat loss, the furnace is sealed vacuum vessel, itself has good thermal insulation properties; ② high heat exchange efficiency, the furnace body steam - water heat exchanger thermal efficiency is water - water? 10 times the thermal efficiency of the heat exchanger; ③ small thermal inertia: small boiler size, low water heat medium, the heat capacity is small, small thermal inertia and therefore, the reaction is sensitive to load variation. The boiler is turned on, i.e., 5 to 8 minutes with a hot water. ④ heating surface does not scale, energy saving. 9. Why vacuum hot water boiler blast furnace will never work in a vacuum, not a pressure vessel;? Body sealing of certain heat medium water, air will not burn in any state; the body with multiple self-protection device (anti-overheating, freezing, water shortage bit too high anti-pressure, shock, anti-gas fuel supply enough water, etc.). ? 10, vacuum boiler boiler host large investment it though the price is higher than ordinary vacuum hot water boiler, but it can save a lot by vacuum boiler auxiliary equipment investment: plate heat exchanger, a circulating pump, expansion tank soft water treatment equipment and so on, can also be save the corresponding pipeline installation fees, accommodation fees auxiliary power system control fees, investment is still lower than the average integrated hot water boiler system.
1, gross domestic product grew 6.6 percent, the total exceeded 90 trillion yuan. Economic growth to match the electricity, freight and other physical volume index. Unit of GDP energy consumption fell 3.1%. Pollution has been treated, fine particulate matter (of PM2.5) concentrations continued to decline.
3, the supply-side structural reforms deepen, the vitality of the real economy continue to release. Increase the "broken force, down" efforts. Promote the steel and coal industry to market-oriented production.
2, continue to adhere to the supply-side structural reforms as the main line ...... take more reform measures, the use of more market-oriented, rule of law means to consolidate the "three to make up a down a" results, and enhance the vitality of micro-main, upgrade the industrial chain level, smooth circulation of the national economy, promote quality economic development.
1, this sulfur dioxide, nitrogen oxide emissions to be decreased by 3%, the concentration of fine particles in key areas (of PM2.5) continued to decline. Ongoing in Beijing, Tianjin and the surrounding Yangtze River Delta, tackling air pollution control Fenwei plain, the strengthening of industrial, coal-fired, three motor vehicle pollution control. Good clean northern heating work to ensure that people warm winter. Strengthen water and soil pollution prevention and control, this chemical oxygen demand, ammonia emissions to fall by 2%.
Pollution prevention and control as a corporate body, must fulfill environmental liability. Environmental governance reform and innovation, both for business according to the law supervision, but also to the reasonable demands, helping to strengthen the guidance and the need for compliance rectification given a reasonable transition period to avoid measures to deal with simple and crude, shut up. Companies have internal motivation and external pressure, pollution prevention and control will be able to make greater progress.
Growth of green industry. Speed up thermal power, iron and steel industry, the transformation of ultra-low emissions, the implementation of the transformation of heavy polluting industries discharge standards. Promote the use of clean coal, expedite the settlement of wind, light, water and electricity consumptive problem.
2, speed up the reform of State-owned state-owned enterprises. Strengthen and improve state-owned assets supervision and promote state-owned capital investment, the company operating the pilot reform, the promotion of state-owned assets. Actively and steadily push forward the reform of mixed ownership. Improve the corporate governance structure, improve market management mechanism, the establishment of professional managers and other systems. Disposal "zombie companies" according to the law. Deepen the reform of electricity, oil and gas, railway, natural monopoly industries to implement separate transport network, the comprehensive competitive business market according to the different characteristics of the industry. State-owned enterprises through reform and innovation, physical fitness, and constantly enhance the vitality and core competitiveness.
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