Advantages: Low cost: the implementation of the pipeline, so that lower gas prices, fuel cost decreases; the model of high electric 1000 kw hot water boiler combustion efficiency, fuel savings, investment buying low fuel costs; the whole side pull butt welds, boilers safe life long, low maintenance costs. High efficiency: flue gas condensation recovery tail arranged, can effectively control the exhaust gas temperature, high thermal efficiency of the boiler; using automatic burner, water continuous electric adjustment, high combustion efficiency.
Note the fuel gas-fired electric 1000 kw hot water boiler fuel gas pressure when the talk about fire boiler shutdown in accordance with the fuel (electricity, oil, gas) can be divided into electric steam boiler, steam boiler fuel, gas steam boiler three kinds; in accordance with the constitution can be divided into vertical steam boilers, horizontal steam boiler, steam boiler, mostly small and medium sized single, double the return of the vertical structure, large steam boilers and more horizontal structure of three return. The following is a pressure Cautions fire boiler 1 shutdown, shutdown pressure fire more than 6h, main steam valve should be closed after the pressure of the fire over time, open trap superheater outlet header of the superheater to cool. After closing the main steam valve, such as pressure goes up, and can be used at the same time into the sewage Boiler Feed down method. When the recovery boiler operation, subject to step-up and step 2 protection, thermal shutdown during the press pot still steam pressure, it must still pay attention to monitoring, and to allow the boiler to maintain the water level 3, with a cast iron gas boiler province, in after stopping the boiler feed water, the shutter should be closed save flue gas, furnace bypass channel open flap or in the circulation pipe, stopping the gas temperature exceeds a predetermined value within the province 4, the pressure during the shutdown should be appropriate fire sewage, furnace exclude precipitation Care was taken after pressure fire shutdown should not immediately stop the operation of the circulating pump, the network should continue circulating water circulating in the system for some time, when the boiler outlet water temperature dropped to 50oC with the following, in order to stop the operation of the circulating pump
New Year period, Tongchuan City, Shaanxi Province seized by special pressure class inspectors seize the time, nonstop, through the tireless efforts have seven working days, the time limit runs successfully completed the Tongchuan city water quality testing and inspection work hundred sets of heating electric 1000 kw hot water boilers.
In recent years, with the state-owned enterprises "three for one industry," the pace of the transfer of a separate depth step by step, in 2019, Tongchuan City Gas Co., Ltd. and Tongchuan Mining Co., Ltd. together for the original Tongchuan Coal mining companies and construction companies and their subsidiaries heating boiler units of unified management, are responsible for heating in winter work Yintai District and Wang Yi district within the city limits and nearly 30 residential units.
After receiving the application of these reported that construction of heating boilers, special prosecutor of the city leadership attaches great importance to immediately convene all pressure classes held inspectors "to ensure safety, promote harmony" will mobilize, deploy test the backbone of the boiler units get together and reported in accordance with inspection, quantity, wide distribution and other characteristics, develop a reasonable and effective inspection plan, centralized arrangements for the inspection of boiler units, inspectors have extensive under the jurisdiction of the Meiyuan district, dragon community, nearly 30 residential and hospital infrastructure companies run first-line heating boilers, boiler to run one by one test, carried out investigation and security risks, all currently in operation has successfully completed a water quality testing and inspection of boilers, boiler inspection a total of 101 units, 90 water samples boiler. In the access to information process safety management of the outstanding problems that exist in the use of boiler units, in accordance with the relevant regulations and safety requirements of technical specifications, targeted proposed guidance. During the inspection the boiler, for general questions, on-site supervision and the use of units of the rectification. Meanwhile, the inspection found two Royal River Area of boiler pressure parts leak is still sick to run for the safety problems on the spot requires the use of units to stop using the site issued a "special equipment inspection and opinions notice" to use the unit under and timely reported to the Council and served on equipment safety supervision departments seat safety supervision departments to actively supervise the use of the unit for rectification, at present, the use of hidden problems rectification units have been completed, the re-examination confirmed that security risks have been eliminated, effectively guarantee the safe and stable operation of the boiler .
Henan newly installed gas electric 1000 kw hot water boiler 1 what kind of work before starting. Henan newly installed gas boiler before starting what should be done? These include: the tightness of (1) hydrostatic test (overpressure test), test pressure member. (2) Trial and various auxiliary electric door damper check. (3) oven. Water inside wall of the furnace and gas water boiler tubes Henan removed. (4) cooking stove and pickling. Remove grease deposits in the evaporator heating surface system, rust, oxide scale and corrosion products, and other like with lye and acid. (5) furnace aerodynamic field test. (6) flushing pipe. Henan boiler with gas flushing a self-generated steam, the second steam duct heteroaryl residue. (7) check security doors. 2. Henan gas boiler before start time and temperature of water on what regulations? why? Water speed before the start of Henan gas boiler should not be excessive, winter generally less than 4h, other seasons 2 ~ 3h, especially in the beginning of the water should be slow. Cold boiler water temperature is generally not more than 100 ℃, so that the temperature difference between the feedwater entering the drum drum wall temperature is not more than 40 ℃. Henan not completely cooled gas boiler drum water temperature, mutatis mutandis, wall temperatures, generally the difference should be controlled within 40 ℃, it should slow down or speed water. The reasons are: (1) Since the thick-walled drum, slow expansion, the wall of the tube is connected to the drum wall is thin, expanded rapidly. If the inlet water temperature is too high or too fast, uneven expansion will cause the weld cracks occur, resulting in damage to the equipment. (2) when the water supply enters the drum, the drum is always in contact with the first half wall, if the water temperature and the drum wall temperature difference is too large, the influent fast speed, on the drum, the lower wall, the inner and outer wall inter will have a greater expansion difference, caused a large drum to additional stress, causing deformation of the drum, when severe cracks.[email protected]
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