1. Chain belt grate. The chain belt grate is a wide circular chain belt which is surrounded by and supported on the the front and rear axles via the chain wheels. At present, ZOZEN packaged chain grate steam boiler mainly adopts the large-block chain belt grate with a capacity of 1-20 tph.
2. Scale grate. The scale grate has many advantages. The obvious one is that there is less coal leakage. The scales can be replaced without shutting down the boiler. The ventilation is balanced, and the ventilation section is relatively small (6%). The chain grate bars only bears the stress or high temperature instead of both of them, which improves the working conditions of the chain grate.
3. Beam grate. Its main feature is that the width and length of the grate can be extended in a wide range, and the tonnage of the boiler can be larger. At present, the tonnage of the domestic beam chain grate steam boiler can reach 240 tph. The grate is featured with long service life, good durability, smooth arrangement and convenient replacement.
Chain Grate Boiler,Travelling Grate Boiler,Travelling Grate,Step Grate Boiler Jinan Yuanda Power Equipment Co.,Ltd. , https://www.jnyuandaboilers.com
In 2007, the province seriously carried out safety review of hazardous chemicals production, storage and construction projects, and took safe production from the source. In this year, the safety production supervisory departments at all levels of the province had approved 192 hazardous chemical construction projects, handled 321 safety approvals and filings, and issued the “Liaoning Province Dangerous Chemicals Registration Implementation Planâ€, the provincial registration center. Conscientiously carried out registration materials review and reporting, and the Municipal Safety Production Supervision Bureau strengthened the propaganda and mobilization of enterprises, supervised and instructed enterprises to carry out registration work. As of December 14th, there were 693 enterprises registered for registration of users in the province, and 298 qualified enterprises were audited by the National Registration Center, and 151 enterprises had obtained registration certificates.
At the same time, the province also discovered 1,564 problems and hidden troubles, issued 359 rectification orders, completed 1077 rectifications, shut down 69 illegal and non-safety production enterprises, and turned to 383 key hazardous chemicals. Fireworks and firecrackers production companies are assigned to 316 safety inspectors. In 2007, the company invested a total of 122 million yuan in reform and rectification of 9,515 hidden hazards of various types of dangerous chemicals and fireworks. Among them, 8,431 have been rectified, and others are being accelerated.
The chain grate is the combustion equipment of coal-fired steam boiler. There are three main types and structures: chain belt grate, scale grate and beam grate.
Liaoning hazardous chemicals safety accident rate dropped by 38% over the same period
In 2007, there were 5 fatal accidents involving dangerous chemicals and fireworks in Liaoning Province, and 8 people died. The number of accidents and deaths dropped by 38% from the same period last year. This is the news that the reporter obtained from the provincial production safety supervision bureau on January 2.
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