gas fired vacuum boiler manufacturer

Boiler oxygen equipment startup and shutdown procedures, processes 1, check before starting fired vacuum boiler manufacturer oxygen equipment (1) confirm the vacuum pump to start licensing conditions are met, Steam Turbine Shaft Seal has been put into operation, the shaft seal pressure is normal. (2) the vacuum pump running from the DCS screen, check the vacuum pump inlet, gradually increase the negative pressure, an inlet pneumatic valve opens automatically. (3) Check the pump motor starting current time and the return to normal, bearing vibration, moisture separator and exhaust normal level. (4) Check the plate heat exchanger is working properly, the vacuum pump sealing water inlet temperature is normal. (5) by the same procedure, the other two in turn starts the vacuum pump. (6) When the vacuum unit normal, disabled, according to a vacuum pump for backup. (7) can be put into the system to start the vacuum pump started using function group. 2, the step into the deaerator (1) confirm the deaerator electric door starts exhaust, continuous exhaust bypass valve in an open position. (2) When the condensate system rinse qualified, open the door deaerator drainage wash, rinse deaerator Sheung Shui. (3) eliminates the oxygen water quality standards, the water level dropped -900mm, close deaerator drainage flush door. (4) administration deaerator auxiliary steam heating, to turn on the auxiliary deaerator steam isolation tone front door slowly open auxiliary steam pressure control valve to the deaerator, the deaerator feed water control temperature of not more than 4.26 ℃ / min, Note that during heating deaerator vibration, such as when a large vibration, the heating rate should be slow. (5) heating process deaerator administration, continue to use the deaerator Sheung condensate pump to the normal level. (6) When the temperature reached 100 deaerator deg.] C, the exhaust start off electric gate, the auxiliary steam to the deaerator into the automatic pressure regulating valve, check deaerator temperature of not more than 4.26 ℃ / min, deaerator pressure gradually rose to 0.147MPa. (7) auxiliary steam heating process, the water level should be controlled deaerator, vacuum is not established as the condenser, the overflow inhibited from opening, the electric drainage valve to the condenser. (8) the condensate system startup, if necessary, administered deaerator water level adjustment automatically. (9) when the four pumping pressure reaches 0.147MPa, check oxygen pressure, the water level is normal, open to four extraction electric valve deaerator, the deaerator cut four auxiliary steam for the steam extraction, auxiliary steam to the deaerator pressure regulating valve is closed, the deaerator by the constant pressure operation becomes sliding pressure operation. (10) when the extraction four electric valve check valve has been opened, four extraction check valve to the deaerator before the electric air trap closed. (11) continuously adjusting the electric door exhaust deaerator feed water under oxygen. 3, how the boiler deaerator outage (1) when the load is less than 20% of the rated load, the four drawers deaerator steam heating switching supplemented to maintain constant pressure operation 0.147MPa. (2) When the generator is stopped, as the case may decide whether to stop the deaerator Sheung. (3) If the outage deaerator more than two months, it should be used to protect the nitrogen, cut off all the steam source, water, water tanks exhausted than water, close the drain valve, the isolation comprehensive total nitrogen door open doors and isolation of deaerator nitrogen and maintain a certain pressure.

What is the main operation of steam fired vacuum boiler manufacturer used in food processing industry

Steam boilers are often used in the food processing industry for the processing of various foods, especially bread and dairy products or biscuits, which are used more frequently by enterprises. Because the professional steam boiler has the good heat energy conversion and stable operation ability, the use in the food processing industry not only can help the enterprise to complete the efficient processing operation, Food can also be kept clean and clean to achieve environmentally friendly processing. The following editor will lead you to understand the main operation projects of the food processing industry using steam boilers:

1, the cooking food industry often needs a large amount of cooking to achieve the processing of cooked food, and through steam boilers, it can quickly and effectively complete the operation of cooking different foods. The processing quality of food is very high, especially for sanitary cleaning. Therefore, only the steam boiler with high environmental protection and no pollution can meet the needs of the skimmers.

2, the distillation of many foods in the processing process also requires effective distillation operations, distillation is the steam boiler to effectively separate the various moisture in the food. Operating distillation in a high vacuum boiler can not only ensure the original taste of food, but also quickly separate all kinds of moisture from each other in the food, so as to prepare for the next processing operation of the food.

3, sterilized and dried foods such as biscuits or bread and dried meat need to be sterilized and dried, and can not be separated from the operation of a steam boiler, and the high-temperature steam advantage of the boiler can be used to quickly steam the food at a high temperature. After the steamer is good, the food is dried and sterilized to meet the finished product standard. The use of steam boiler is not only safe and easy to control temperature and pressure, but also avoid the undesirable phenomenon of over drying or high moisture content in food processing.

One bright spot: small footprint design Integrated economizer, air preheater and integrated body design, saving space. Highlights II: advanced cooling technology of low temperature exhaust gas adopts a new environmentally friendly energy efficient technology Ultraten wings tube, the flue gas heat recovery efficiency. Wings built finned tubes, the cooling water does not flow outside the tube fouling; tearing groove design fin heat transfer area is increased 5-fold, sufficiently absorb latent heat of vaporization in the flue gas, a high heat recovery rate; silicon alloy material, corrosion resistance and long life. Highlight three: original elliptical smoke tube air preheater to reduce operating costs oblong stainless steel tube 304, a large contact surface wind resistance, the higher the heat exchange system, improve the supply air temperature, significantly reduce operating costs; corrosion-resistant stainless steel tube 304 high, high voltage resistance to high strength and durability. Highlight four: PLC intelligent control high degree of automation all Chinese color touch screen, real-time dynamic display fired vacuum boiler manufacturer operating conditions; multi-level pop-up menu, simple man-machine interaction; cloud big data services 3.0 support to ensure the safe operation of the boiler.

The thermal efficiency of hot water fired vacuum boiler manufacturers is very high, heating up rapidly, and there is no dust, of course, no smoke, so that the surrounding environment will not cause any harm. The operation of the hot water boiler is very simple, he has a very novel shape, so that the novel shape can play a decorative role, and even the vacuum hot water boiler structure is very unique. Water for hot water boiler must be treated by water treatment equipment, without reliable water treatment measures, water quality test, boiler not allowed to go into operation. For steam boilers with rated evaporation greater than or equal to 1T/h The hot water boiler with constant heat power greater than or equal to 0.7MW should be equipped with boiler water sampling device, and steam sampling device should also be installed when the steam quality is required. Water quality test work is not less than every two hours, and careful record, water quality test abnormal should take appropriate measures to increase the number of tests. The boiler with rated evaporative capacity greater than or equal to 6T/h shall be equipped with deaerating equipment. Hot water boiler is a kind of thermal equipment which uses fuel combustion to release heat energy to heat the water in the container so that the water can reach the required temperature (hot water). It is a whole composed of boiler body accessory instrument and auxiliary equipment. The boiler is both in the pot and in the oven At the same time, when the raw water enters the boiler, the heat absorbed by the boiler is transferred to feed water, and the water is heated into a certain temperature for the user to produce and use for heating. The incessant combustion fuel of the incessant combustor emits heat continuously. The high temperature flue gas produced during combustion can transfer heat to the heating surface of the boiler through the heat propagation, and its own temperature gradually decreases, and at last it is discharged through the chimney. Pot and furnace division of work, an endothermic, an exothermic, perfect coordination is closely related to an integral equipment, indispensable. Hot water boilers are powered by circulating pumps in operation. The constant circulation of water, which will be absorbed by the heated surface. All the heat is transferred to the raw water so that the heating surface is cooled well and the water heating foot is speeded up so as to ensure the boiler heating surface work safely under the high temperature conditions. In order to ensure the boiler quality and safety, we must choose the regular gas hot water boiler produced by the boiler manufacturer, so that the quality can be guaranteed and the after-sales service can be guaranteed.

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