condensing gas mercial hot water boiler

condensing gas mercial hot water boiler

Steam boiler should be noted that when Di operating high specification and steam boiler efficiency matters, strong firepower, Di is a common production equipment, but also has some of its own Di dangerous if used improperly, it will cause unnecessary trouble. So master the instructions for use steam boilers, clear during the operation Di Di precautions are necessary. Note that when then the next, the editor based on years of experience, the use of steam boilers with compliance and Di operational considerations summarized below. A steam boiler Use: When the company receives a steam boiler, boiler Di for normal use, as well as business operators Di their own safety, must strictly abide by the "Production Safety Law," "Boiler and Pressure Vessel Safety Supervision Provisional Regulations" "Steam Boiler the relevant provisions of security technology supervision regulations ". This applies to a fixed pressure steam boiler water as a medium, comprising a coal-fired steam boiler, a steam boiler fuel, gas steam boiler. Use of the boiler plant Di technology should have the appropriate certificate, have both technical documentation and construction quality boiler installation supporting information. Enterprises must attach great importance to the boiler safety. Appoint a full-time staff responsible for managing the boiler equipment, improve the management of the use of boilers in accordance with code requirements. Formulate ensure the safe operation of the boiler structure according to the type of boiler, combustion and explosion-proof requirements and procedures, fire prevention, anti-virus and other security management system and the accident approach, in accordance with its strict implementation. Do not drink alcohol and posts and off-site. Boiler should be regularly repair and maintenance, the unit can not be forced to use any security risk boiler. Should be repaired before construction drawings and technical solutions. Repair of technical expertise required reference standards and relevant technical regulations boiler. After completion of repairs, should the pattern, material quality certificate, a certificate of quality inspection and repair and other technical information is stored in the technical archives plant boilers. Non-boiler room operator banned from entering the workplace. Foreign workers must be accompanied by the relevant approval of the leadership or before entering Second, the need to pay attention to Di operational considerations when using the steam boiler: 1, before the boiler must be familiar with the operation manual, simply to protect the safety of the operator and the normal use of the device Di, before starting inspection whether the power supply voltage and the normal operation of the water, close the drain valve, open the water supply valve and check whether the pump stuck, stuck if the water pump cover remove the fan, scroll to the motor shaft can be turned on flexible state inspection or replacement of parts for boilers Turn off the power to avoid live work dangerous. 2, electric control boxes, pump motors and other parts should avoid damp water to prevent burning boiler should pay attention to keep clean, according to the boiler water quality requirements, be sure to install a water softener in use, because they do not use a water softener can cause boiler fouling severe cases can cause burst pipes cut short the life of the boiler. 3, if not in accordance with the provisions of the use of water treatment equipment caused by the above situations are not covered under the warranty, please pay attention when using sewage. To discharge once a day and with a discharge pressure of 0.1MPa-0.15MPa, can prevent clogging pipes, sewage pipes should be properly connected to prevent burns, the flexibility of the safety valve should overhaul, at least once a month to quickly pull the lever to check the safety valve flexibility it off and back seats, the safety valve should be regularly every year to the local technical supervision for verification.

Heating and hot water daily is an important basis for maintaining the northern region of the normal operation of enterprises; for Legal Daily organs and units, the condensing mercial hot water boiler is one of the indispensable energy equipment. Currently, work is facing north Heating equipment and facilities aging, increase energy conservation and environmental protection requirements and other issues. Daily logistics-related legal person responsible for improving the overall level of heating units, and the response advocated by the national energy saving, plans to purchase energy-efficient heating boiler. Considering the increasingly stringent environmental policy, Legal Daily authorities decided to use natural gas as boiler fuel. Fast boiler for 20 years, specializing in the production brand boiler, which had been successfully assisted more than Beijing enterprises and institutions, to provide clean heating. The party technical consultant fast boiler based on actual usage Legal Daily units, providing commercial condensing units 99KW vertical 1 hot water boiler.

Gas boiler shutdown normal shutdown process step is one step in the process of boiler operation is essential to understand the shutdown processing methods to ensure more long-term operating life of boiler. When the boiler the following faults can temporarily shutdown for maintenance. Expansion port, leakage rivet joints; tube, the waterwall tubes, damage to the heating surface tube leakage; drum in contact with the flue gas, set top box, a heat insulating material off the downcomer; water supply system, a combustion system, the occurrence of breakage safety accessories . Shutdown of the gas boiler normal (full shutdown, maintenance shutdown) Step 1, in order to stop the burner, for closing the valve. At the same time feed water to the boiler, 2cm above the normal water level reaches the stop water supply, reduce the pressure. 2, close the main steam valve, open the traps, steam boiler, water cut off. 3, the electric boiler feed water control valve closed and the manual valve, boiler feed water cut. 4, steam pressure may be lowered to the water supply and drainage operations alternately 0, the pot water temperature is gradually lowered. When the temperature dropped to 50 ℃ (not hot when hand potshell head with or touch), the entire pot of water may be drained. Should be preceded by opening the drain valve or air valve above the boiler, this time into the furnace maintenance, shutdown must be kept slow cooling, rapid cooling is prohibited. From the shutdown to be able to enter the furnace maintenance, cooling time is not less than 24 hours. 5, sales of more than 24 shutdown, to total gas supply valve is closed, opens the gas pipe to completely drain the subjective dispensing gas.

Gas steam boiler and the hydraulic classification precision classification by use gas steam boiler 1, an industrial gas steam boiler: heating and the like used in industrial production. Most of the parameters for the low, low capacity boilers, the fire bed combustion and thermal efficiency is relatively low. 2, power station boilers: mainly for power generation. Most high-parameter, large-capacity boiler, firebox and allow more efficient combustion. 3, the ship's boiler: a marine power. Such boilers generally low parameters, fuel oil, the requirements of small size, light weight, easy to move more. 4, locomotive boiler: The main use of locomotive power. Lower overall parameters are small capacity boilers, fire bed combustion, requires compact, movable. Two gas steam boiler in accordance with the kind of the working fluid and an output state classification can be divided into: 1, the steam boiler: the working fluid is steam outlet. 2, condensing mercial hot water boiler: hot water as the working fluid outlet. 3, special working fluid boiler: export of special working fluids, such as certain organic matter. Three outlet gas steam boiler in accordance with the pressure of the working medium can be divided into: 1, pressure boiler: the outlet steam pressure 14MPA (140kgf / cm). 2, high-pressure boiler: the outlet steam pressure 10MPA (100kgf / cm). 3, sub-pressure boiler: the working fluid outlet pressure of 2.5MPa. 4, pressure in the boiler: the outlet steam pressure of 3.9MPa (39kgf / cm). 5, supercritical pressure boiler: outlet steam pressure is about 25MPa (about 250kgf / cm). 6, subcritical pressure boiler: outlet steam pressure of 17MPa (170kgf / cm?). 7, low-pressure boiler: the outlet refrigerant pressure (gauge pressure) is less than or equal to 1.3MPa (13kgf / cm). Accuracy of the hydraulic machine, determines the precision of the parts. However, only static accuracy to measure the level of accuracy of press is not very accurate. This is because the size of the mechanical strength of the press itself has a great influence on the punching accuracy. If the strength of the press itself is low, the machine will be modified such that the pressure at the instant of Ao punching pressure is reached, so that, when the above-described conditions in a static tune even good, also since the strength of the deformation caused by the sample bed, differences occur. This indicates that the accuracy of the press and has a lot of strength, and the magnitude of the intensity of the work has a great influence on the press, so that high-precision parts and punched continuous strong cold stamping, the accuracy must be selected high, and the rigidity of the press.

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