industrial integrated condensing hot water boiler

Note that before the start of heating industrial integrated condensing hot water boilers companies which start before heating hot water boilers companies need to pay attention what? Hot water boiler is commonly used in people's daily lives heating equipment in China, especially in the northern region has been widely used. On the installation and use, only strict compliance with the rules and regulations relating to the installation, the installation to better. Just follow the proper procedures to avoid using hot water boiler series of unnecessary accidents, ensure the safety and security of personnel of the boiler operation. Note the way the Sheung Shui to water supply is an important measure to protect the safe operation of the hot water boiler system. Thus, before starting injection, to be noted that the return pipe Sheung closed inlet valve and open the circulation pump, the pressure is adjusted to an appropriate range. After the completion of water systems, boiler water level by adjusting it to run properly, it can ensure a good performance hot water boilers are fully developed. Hot water boiler checked before ignition attention before ignition, must check the boiler auxiliary equipment, especially valve opening is reliable, to ensure the smooth circulation of water in the boiler, the steam pressure to avoid congestion caused by too large. In the inspection, repair or replacement, if the shut-off valve serious leak, it may not rush for repair or replacement. Note debris clean-water tank hot water boiler heated water is cleaner than tap water, but long-term use may deposit some of the debris and water tanks, more debris will damage the pump and plug valves. Before using professional hot water boilers, water must check for any level of timely clean-up, to ensure that the heating is better to avoid overheating in the boiler and the air pressure is too high a risk of the tank.

15 tph series gas-fired water tube boiler project for paper industryThe production of paper products requires the processing of steam heat sources. Therefore, the performance of steam boilers will directly affect the output and quality of paper products. Sichuan Shubang Industry Co., LTD. is a professional manufacturer of household paper, high-strength corrugated paper and tuck board. The company has nine advanced production lines and is one of the top ten enterprises of the papermaking industry in Sichuan Province.According to the market demand and the continuous expansion of production scale, Shubang Industry decided to build a new tissue paper production line and introduce safe and efficient boilers with excellent environmental protection performance. In the fierce bidding process, ZOZEN stood out from other bidders with excellent product performance and after-sales service, and finally cooperated with Shubang Industry. The SZS series boiler that won the bid is ZOZEN's environmentally friendly product. The large furnace design is combined with international advanced low NOx burner to achieve a NOx content less than 30mg/m³ in boiler flue gas emissions; The combustion chamber adopts narrow pitch tube membrane water-cooled wall, which has good air tightness, the boiler is also equipped with an energy-saving device at the tail of the flue to enable the thermal efficiency be as high as 98%; In addition, the high temperature zone of the boiler body adopts forced circulation to ensure reliable cooling of each part of the heating surface and prevent vaporization. The layout of the explosion-proof door and flame detector ensures the safety and reliability of the boiler operation.

Vertical steam boiler will affect a large fan vibration running long vertical steam boiler fan speed operation, large mechanical wear and vibration, especially at low load unit, fan baffle throttle more, fans work in the unstable region, easily cause fan vibration. In addition, low vertical coal-fired steam boiler induced fan system automation level, can not adjust, low operating efficiency, fan vibration is relatively strong, not only equipment maintenance costs, but also poses a potential threat to the safe operation of the unit. Vertical steam boiler can be considered, Fan Vertical coal-fired steam boilers high pressure transducer, induced draft fan boiler using frequency control. To do the following: First, each exhaust fan arranged a high-voltage inverter. The inverter is connected to the high speed winding machine. Low speed winding of the motor coupled to the low-speed circuit breaker for the bypass operation when the inverter failure. Then, between the drive motor and additional disconnecting switch cabinet, electrically connected to the low-speed circuit breaker. High motor speeds, the door closing isolation knife, the low-speed circuit breaker closing prohibition. Motor bypass operation, the isolation switch off, the low-speed low speed motor control circuit breaker. Output frequency of the inverter is controlled by the speed control signal in accordance with the negative pressure 4-20mA vertical coal-fired steam boiler furnace start and stop the inverter output control signal by DCS.

This year, located in Guizhou Tongzi County and located in Heilongjiang Harbin has two boiler explosions accident, after investigation, the accident was produced in the installation link, there are companies the main responsibility for the implementation of incomplete installation link, confusion installation and construction management , unauthorized commissioning, pressure testing irregularities, installation supervision and inspection to ensure the role of the missing and other problems, leading to a boiler explosion occurs, causing adverse effects for the personal and property safety.

Market supervision bureau to draw lessons from the accident, in order to avoid explosion due to boiler installation problem from occurring again, issued a notice warning of the risk of boiler installation link. Details are as follows:

The boiler safety related technical specifications, the entire boiler manufacturing unit can be installed (set) mounted boiler units produced. Boiler manufacturing unit undertake installation work, should meet the following requirements:

The manufacturer should be dedicated departments boiler installation work, set up to cover the boiler installation quality management system, equipped with the necessary resources to installation conditions. Boiler manufacturing units should strengthen sales management, through specified in the sales contract if the terms of the unit responsible for the installation of boilers, etc., to prevent sales by the manufacturing license qualification units or organizations which are not allowed to undertake the unit personnel to carry out boiler installation work. Where specified in the contract manufacturing sales unit responsible for the installation, on-site installation work must be sent by the company to complete the installation personnel shall not be subcontracted to other units (safety specifications are allowed in the assigned project except). Indicate the sales contract to this unit responsible for the installation of the boiler, installation of the unit must have the appropriate license installed. Responsible for the installation of the units should strengthen safety education and skills training for installation personnel. Find that the installation quality and safety aspects of the occurrence of an accident or appears illegal activities, special equipment safety supervision institutions should be punished according to the law to install the unit.

Boiler installation units should strictly enforce the relevant safety standards and technical specifications to ensure the quality and safety of boiler installation, the unit should be installed at the installation site set up signs stating the name of the license holder of the certificate, license project, license number and items the person in charge, who is responsible for safety and quality, commissioning personnel, supervisory inspector's name, unit and telephone. Boiler commissioning and commissioning, operation must be performed by a licensed boiler operator. Before the boiler installation, inspection and acceptance by the relevant formally delivered, installed units should be hung in a prominent position boilers warning signs with the words "banned" and take effective protection and quarantine measures to ensure that the boiler system can not be ignited or boost . In addition to the need to debug, the cabinet can not be energized, the fuel valve is in a closed state should be like. Use blanking panels of the boiler pressure test, the test should be removed immediately after the end of the Blind.

Boiler boiler installation situation before construction units should be installed by informing the local special equipment safety supervision and management departments, and submit an application to install Supervision, Inspection and supervisory inspection agency. Where Supervision and Inspection uncommitted boiler installation project may not start.

Supervisory inspection agency should be strictly in accordance with the "Boiler Inspection Rules", according to the supervisory inspection protocol and progress of the project requirements, arrangements for the implementation of the supervisory inspector boiler installation supervisory inspection. A class of control points, the supervisory inspector must be at the scene confirmed to meet the requirements, the installation unit in order to continue with the work. Supervisory inspector shall, at the start that is to the construction site, in the whole process of site supervision to pressure test, shall not be used after the witness confirmed that and how do fill supervisory inspection program Supervision, Inspection and replacement process when the boiler pressure test.

Boiler manufacturing unit in particular is responsible for boiler installation of manufacturing units and boiler installation supervisory inspection agency, should an accident lessons learned, giving top priority to further implement the main responsibility and checks responsibility, strengthen the boiler installation management to ensure the quality of the installation work, protect the boiler safety.

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