gas fired steam boiler for plant

gas fired steam boiler for plant

Gas boiler precautions required during installation methods, or steps :( a) a foundation base of the boiler should be provided is determined according to the local soil, manufacturers design reference by the civil sector again. After reaching the base strength boiler, the boiler should drawings inspection and acceptance, and to draw the whole boiler three reference lines: a, longitudinal reference line - drum center or the center of the combustion apparatus. b, lateral reference line - the center of the front axle or chain grate slag centerline of the machine. C, elevation reference line - can be selected from a number of locations about four weeks, respectively, on the basis of the marking, the relative offset between the markers should not exceed 1mm. Furnace in place. After assembly the lower part of the boiler in place first, then the upper assembly large, the upper and lower portions need to find a combination of two positive pads firmly, should be both inside and outside the two casting. Installation location and size deviation test methods according to GB50273 "boiler installation engineering construction and acceptance" implementation. (B) lifting the boiler, during lifting, should be suspended on a lifting lug drum boiler ready large, the boiler on a foundation base coincides with the pre-drawn reference line. The longitudinal centerline of the boiler and the foundation, the deviation is not more than 3 mm, and the inclination with the center line of the drum hammer correction, allowing the central drum inclination is not larger than 5 mm, otherwise use horns foundation base and the junction pad level. Maximum level (c) Installation of boiler network (1), water supply conduit installation requirements typically require as backup pool below the normal water level line of the boiler, so as not to shutdown, boiler feedwater flowing into a large number of drainage caused to start the next . At the outlet of the tank (i.e., an inlet feed line) should be installed wire screen. (2), a main steam line installation requires the main steam lead pipe straight run section should be more than 0.5 m, the bending radius should be 4-5 times the diameter of the pipe, the trap should be fitted at the lowest line in order to prevent water hammer pipe, while to be reliable insulation. (3), the safety valve should be installed in the valve installation requirements after the hydrostatic test, the safety valve shall be fitted exhaust pipe, the exhaust pipe of the safety guide outside the boiler house, allowed valving the exhaust pipe. (4), mounting a lower water table level table downcomer must access a safe place, Hancock rotating flexible water table, not leaking, water table must be installed to the lighting device, easy to observe. (5), a pressure gauge mounting means so that when the scale gauge vertical plates, should be painted red gauge scale to show the maximum allowable pressure boiler, rotating flexible plug gauge, not leaking, water flow, pressure gauges insulation prohibited. (Iv) the boiler chimney installation requirements, when lifting the chimney, the chimney should be straight, horizontal direction lead length should not be too long, generally less than 5 meters, the height of the chimney should comply with relevant national standards. To add chimney rain cap, the weight of the chimney should not fall directly on the boiler chimney take over the host. Installation (e) combustion system: 1, according to the combustion system of FIG power line control circuit, a control signal line and the control line is electrically connected, the program should be installed reliable ignition and flame failure protection devices. Combustion process controller provides a separate set of contact start-stop control. May be formulated in a variety of burner start-stop loop cascade control relay 10A is a fuse, relay start-stop control stops the control terminal may be connected to the burner, may directly control the power of the burner. Both constant pressure sensor, water power, fuel, gas pressure set value is detected after the automatic controller opens. Time pressure sensor, water supply, oil, gas, and their detection circuit, alarm and found the problem immediately shutdown flame protection, the controller automatically displays the point of failure, an alarm sounds machine.

How to select energy saving, gas-fired? We have to look at or listen to illustrate the introduction of natural gas boiler technician in the procurement of natural gas boilers. Gas-fired fired steam boiler for plant, the type of gas hot water boiler, gas conducting oil furnace, boiler different for different occasions. After determining the procurement of natural gas boiler models, need to understand the specific configuration of the boiler, configure the following criteria: 1, the main boiler is equipped with auxiliary equipment and what. 2, meters, valves and water boilers require careful examination to understand. 3, understand the control system of the boiler: boiler power electrical cabinets, power boiler control switchgear. 4, check the electrical control cabinet, console, the control system, the drive, a display, and other electrical equipment. 5, and riot unit boiler tank daily inspection. 6, boiler factory testing and commissioning. Clear cost price of natural gas boilers, installation cost of materials and installation of boiler worker costs, transportation costs and other parts.

Lanzhou City, Gansu Province, the transformation of coal-fired boiler control policy in accordance with the latest introduction of the "not big on the small" principle to give "Yijiangdaibu" financial support to owners of units, specific subsidies are as follows:

1, for a single 1 ton / hour or more than 0.7 megawatts of clean energy and coal-fired boilers by 100,000 yuan to subsidize steam tons of standard /.

2, coal-fired heating boilers mentioned standard governance and meet the national air pollutant emission limits in particular boiler, according to subsidize 50,000 yuan / ton steam standards, subsidies does not exceed 30% of the total investment quota.

3, for a single 1 ton / hour or 0.7 megawatts of utility units (including schools, health centers, hospitals, neighborhood or township government offices and other public units) clean energy transformation of coal-fired heating boilers in accordance with the actual heating area subsidies, allowances of 100 yuan / square meter.

On the boiler industry development status of primary industrial furnace advanced level of China's unit energy consumption indicators have been close to or above the average level of advanced countries, but advanced and lagging indicators from larger, indicating that China's industrial furnace large energy saving potential. Expand the saving job is not a negative power supply of cut, but take advantage of the power potential, with minimal power consumption to maximize the economic benefits of skills. Two primary content of energy saving operation, including direct and immediate saving, energy is directly proceeds through the furnace power utilization, decreased product cost, thereby reducing the power consumption; direct energy cost of raw materials is lowered by, reducing the rejection rate, longer equipment life and other ways to save energy. Composed apparent from industrial furnace power, the power consumption in total more than 90% of the fuel consumption, the power consumption of only 7.9, the fuel energy as a heat source for various industrial furnaces is necessary. Excellent planning and proper operation of furnaces and furnace fuel compared with the same skill can get higher economic efficiency in thermal performance. Some furnace fuel saving measures, such as improving production management and operation method, the choice of light or ultra-lightweight refractory lining, the furnace proceeds sealing properties, improved incineration furnace construction and reasonable means disposed (electric furnace is a heating element) and the like, the same also applies to the energy requirements of industrial furnace electric furnace. Accompanied by vigorous development of our national economy, industrial boiler manufacturing industry in recent years has made considerable progress. Its outstanding performance, the professional standards increasingly standard, skill level and gradually move forward, continue to add product variety, economic planning significant expansion. However, during the occupation carried out in a high-speed, also paid a lot of resources and environmental values. As China's requirements for safety, energy conservation and environmental protection forward year after year, such as occupational health and safety in promoting the steady development, ensuring the safe operation of the industrial coal-fired boilers situation, to further accelerate the expansion of energy-saving and emission reduction work has become a professional industrial boilers future development of new issues and serious challenge faced. Our vertical boiler manufacturing industry has experienced decades of conduct, in particular to promote the reform and opening up drive onto the fast-track career carried out. Due to increasing demand for shopping malls, the number of production enterprises quickly add, career planning continues to expand, the boiler can supply a variety of different pressure levels and capacity, satisfaction of the needs of the current mall. Throughout the occupation to carry out industrial boiler, although impressive, but still hidden. First, the overall occupational skill level needs to move forward. The status and importance of industrial coal-fired boilers in the national economy and society for the well known. But with the current situation of high nationwide emissions corresponding proportion of the whole career of the great amount of power consumed, the soot, sulfur dioxide, carbon dioxide, oxides emissions accounted for, not only will now energy-efficient professional industrial coal-fired boilers, and construction of environmental indicators policy of resource-saving and environment-friendly society have a greater distance, and fully explain the huge energy saving potential career. Energy conservation is a worldwide problem, but also pay attention to the topic with the world. Shandong fired steam boiler for plants due to the large number of coal-fired boiler flue gas waste dust occur during use, it has a negative impact on the environment around the city to accelerate the transformation of governance and low efficiency and high pollution boiler equipment footsteps, to control the use of polluting fuels and other measures mainly summarized the choice of strict laws and regulation, as well as payment of the corresponding grant funds to accelerate the phase-out of these updates and boilers. The view from the future to carry out energy conservation is imperative to carry out the professional boiler, boiler practitioners and new power boiler companies will become the great collective benefit of the rectification plan, in order to stabilize the mall business, we must strengthen the new product R & D efforts, together with the skills level of products to add economic efficiency, promote vocational enterprise steady development. Now carry out the bottlenecks faced by the boiler career to focus on cause-related employees, forward boiler quality, enhance environmental performance, identify corrective path in line with China's national conditions, it has become an urgent important matter.

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