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hospital sewage treatment equipment
hospital sewage treatment equipment
The main sources of sewage in medical institutions are sewage discharged from operating rooms, radiology departments, pathology departments, laboratory departments, inpatient departments, laundry rooms, restaurants, and toilets in hospitals. Wastewater contains a large number of bacteria, viruses and other toxic and harmful substances. If the discharge does not meet the standard, it is easy to have an impact on the ecological environment.
Farming wastewater treatment equipment
Farming wastewater treatment equipment
Farming sewage mainly includes urine, feed residues, residual manure and washing water, and in some places it also includes domestic wastewater generated during the production process. It is a high-concentration organic sewage with a large content of suspended solids and ammonia nitrogen. After this untreated sewage enters the natural water body, the content of suspended solids, organic matter and microorganisms in the water increases, changes the physical, chemical and biological composition of the water body, and deteriorates the water quality.
food industry wastewater treatment equipment
food industry wastewater treatment equipment
The characteristics and hazards of food industry wastewater: The food industry wastewater has the characteristics of large amount of wastewater, high content of organic matter and suspended matter, perishable, and relatively low toxicity. The untreated wastewater is discharged into the water, making the water rich in nutrients, quickly consuming dissolved oxygen in the water, and killing fish and aquatic organisms.
Animal/pet incinerator
Animal/pet incinerator
Structure: Horizontal
Dimensions (mm): 1080*680*700-2850*1750*1720 (customizable)
Power (kw): 0.44-3.51 (customizable)
Chimney (mm): Φ140*6m-Φ620*6m (customizable)
industrial wastewater treatment equipment
industrial wastewater treatment equipment
The pollution hazards caused by industrial wastewater to the environment, and the prevention and control measures that should be taken, depend on the characteristics of industrial wastewater, that is, the type, nature and concentration of pollutants. The water quality characteristics of industrial wastewater vary not only according to the type of wastewater, but often change with time and place.
Horizontal medical waste incinerator
Horizontal medical waste incinerator
Structure: Horizontal
Dimensions (mm): 900*600*700-3000*1750*1710 (customizable)
Power (kw): 0.44-3.34 (customizable)
Chimney (mm): Φ140*6m-Φ620*6m (customizable)
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What measures should be taken to corrode the heating surface of the waste incinerator?

Release date:Nov 02,2021 Source:Hongli Shengde Pageviews:-
The high temperature corrosion of the high temperature pyrolysis gasifier greatly increases the corrosion rate of the metal materials of the high temperature components, which seriously threatens the safe operation of the boiler. Hongli Shengde provides several countermeasures for you

After garbage is incinerated, the generated flue gas contains acidic corrosive gases such as HCI, NOx, SO2, and the characteristics of the heating surface of the waste incineration waste heat boiler. The superheater is generally arranged horizontally and easily adheres to the superheater tube. Surface, reduce the heat exchange effect, cause the flue gas temperature to be higher, and cause high-temperature corrosion.

Hongli Shengde's countermeasures for waste incinerators

High-temperature corrosion analysis and hazards of high-temperature pyrolysis gasifier:

After the oxide film on the heating surface of waste incineration is destroyed by acid gas, the exposed iron (Fe) is more susceptible to corrosion, and the corrosion reaction on the heating surface will continue. And as the temperature of the tube wall rises, the reaction becomes more violent. In the waste incinerator, due to the high content of chlorine (Cl) in the fuel, compared with coal-fired oil-fired boilers, more low-melting molten salt corrosive substances are generated during the combustion process, and the degree of corrosion changes more drastically with temperature, which greatly increases the high temperature. The corrosion rate of the metal material of the component.

Data shows that when the tube wall temperature reaches 450°C or higher, the high temperature corrosion of the heating surface of the boiler is intensified. Under the action of high temperature, the metal heating surface is continuously eroded, lost, and thinned, which seriously threatens the safe operation of the boiler. , Will eventually cause the tube to burst and shut down the furnace.

the waste incinerator

Hongli Shengde's countermeasures for waste incinerators:

①Control the combustion, control the furnace temperature, and control the smoke temperature.

②Strengthen soot blowing and improve the heat exchange efficiency of the heating surface.

③Use new high-temperature corrosion-resistant materials.

④Adding additives, such as quicklime, limestone and other substances in the furnace, absorbs corrosive gas HCI, reduces the concentration of corrosive gas in high temperature area, in addition to slowing down high temperature corrosion, it can also form high melting point compounds.

There are a lot of acid gases in the flue gas of waste incineration. The corrosion of the heating surface of the boiler is a long-term research topic. Taking the above measures can alleviate the corrosion rate of the heating surface to a large extent. Hongli Shengde has an experienced technical team to help you solve the problems in the operation of the incinerator and save operating costs to a greater extent. 

【Tag of this article】:waste incinerator Hongli Shengde
【Editor】:Hongli Shengdeall rights reserved:https://www.holyshieldenv.comPlease indicate the source