Home > How to handle cracks of back tube plate of coal fired boilers

How to handle cracks of back tube plate of coal fired boilers

About Us

Zozen Boiler main products include gas&oil boiler, coal-fired boiler, biomass boiler, thermal fluid heater and other series of more than 400 varieties of specifications.
Contact us for Email:[email protected]

Our Main Product

our main boilers
wns boiler picture

1-20 ton gas/oil fired boiler

Capacity: 1-20 ton/h

Pressure: 0.7-2 Mpa

Fuel: Nature gas, coke oven gas, biogas, methanol, liquid propane gas, diesel, heavy oil, light oil, crude oil, etc.

Industries: Heat supplying, chemical, food, textile, printing and dyeing, cigarettes and tobacco, fodder, pharmacy, building materials, brewery, rubber, hospital etc.

szs boiler picture

7-70 MW gas/oil fired hot water boiler

Capacity: 7-70 MW

Pressure: 1.0-1.6 Mpa

Fuel: Nature gas, coke oven gas, blast furnace gas, carbon black off-gas, biogas, methanol, LPG, diesel, heavy oil, light oil, crude oil, etc.

Industries: Heat supplying, hospital, colleges and universities.

szl boiler picture

2.8-29mw coal fired boiler

Capacity: 2.8-29mw

Pressure: 1.0-1.25 Mpa

Fuel: Bituminous coal, lean coal, anthracite

Industries: Heating, hotels, schools, hospitals

yyw boiler picture

horizontal thermal fluid heater

Capacity: 700 - 14000 kw

Pressure: 0.8 - 1.0 Mpa

Fuel: natural gas, coke oven gas, bio-gas,liquid propane gas, diesel, heavy oil, light oil, crude oil

Industries: Petroleum, chemical, chemical fiber, pharmaceutical, textile printing and dyeing, building materials, wood processing, vegetable oil processing and other industries

dzl boiler picture

1-20 ton biomass fired boiler

Capacity: 1-20 ton/h

Pressure: 0.7-2.5 Mpa

Fuel: Biomass particles

Industries: Heating, chemical, food, tobacco, textile, printing and dyeing, feed, medicine, building material, wine, rubber, hospital

How to handle the cracks of the back tube plate of coal fired boilersWe have discussed many reasons why the coal fired boilers back tube plate of efm coal boiler cracks, according to this reasons,we can use the following treatment measures for coal furnace.When the chain grate coal fired boilers needs maintenance,we should formulate the program reviewed by the Pressure Vessel Safety Supervision Sector,opening U groove in the connection of smoke tube and efm coal boiler tube plate,controlling the length of tube plate the smoke tube extending in the high temperature and the weld should be grinded smooth.Taking the measure of tube plate heat preservation,adding insulation layer at the side of efm coal boiler tube plate and thermal sleeve at the end of smoke tube,which can solve the problem of excessive thermal load in the tube plate holes. Improving the process of efm coal boiler water treatment and the quality of the water.Reducing the times of start and stop, coal fired boilers heating and cooling should be slowly carried out.When coal furnace boiler starts,we should first open the circulating pump,start the coal furnace after the heating system begins to cycle,we should not immediately stop the circulation pump after the shutdown of furnace,slow cooling measures should be taken.China-boiler-manufacturer ZOZEN INDUSTRIAL LIMITED,as the biggest production base of industrial coal furnaceboilers,its chain grate coal furnace boiler adopts the double wings gas ducts,the fuel gas can go into the front gas tank easily,so the temperature of different front plates can be same,in this way,it can avoid the cracks happening in the plates caused by different temperature and pressure.

GET Support & Price

Please Feel free to give your inquiry in the form below.We will reply you in 24 hours