Coal fired CFB boiler combustion system

The circulating fluidized bed boiler combustion technology has been adopted by Zhengzhou Boiler Co., Ltd to use in industrial boilers. We have the experience of producing circulating fluidized bed boiler for many years, combing with some advanced operating data, while relying on clean-burning technology theory in Tsinghua University.

Coal fired CFB boiler combustion system
In the combustion system, the coal feeder feeds the fuel into the furnace, and the air used to burn is provided by the primary and secondary air draft fans. The primary air flows through the air-preheater into the cold air chamber from the two sides air duct, and finally flows into the combustion chamber from the air cap in the water cooling air distributor. While for the secondary air, it is pre-heated by the air-preheater, and then sprayed into the furnace by the nozzles at the back wall of the furnace to feed the air and stir and mix the fuel, the fuel and air is fired mixed on the fluidized condition in the furnace, and make thermal transfer with heating surface, the flue gas is combusted further in the up part of the furnace. The flue gas in the furnace(bring with large amount of unburned particles) lease the heat further in the furnace. The flue gas which brings lots of fuel is sent to the insulation separator from the furnace exit, then most of the fuel is separated by the separator, and then through the reverter into the furnace again to realize the combustion cycled. The separated flue gas flow through the reversing chamber, high-superheater, de-superheater, economizer, primary and secondary air pre-heater and then exhausted out from the air duct. Because it adopts circulating fluidized bed technology with less slag and ash, it has a relatively high value of utilization, it suit more for the countries which has a restrict requirement to the environment.
We have CFB steam boilers and hot water boilers to meet clients needs.

http://www.zgindustrialboiler.com/project/46mw-cfb-hot-water-boiler-for-central-hea.html http://www.zgindustrialboiler.com/project/130t-cfb-boiler-for-heating-company.html

Vertical CDQ Waste Heat Boiler Manufacturer

Coking dry quenching, shorted as CDQ. Coking dry quenching is a type of technology, which cools coke by employing noble gas,transferring heated noble gas to boiler, sending it into CDQ Waste Heat Boiler by circulating fan and produce recycling use.The coking dry quenching waste heat boiler manufactured by ZG Boiler has solved such problems as boiler seal, abrasion and expansion.

Vertical CDQ Waste Heat Boiler
Vertical Waste Heat Boilers solve such problems as boiler seal,abrasion and expansion,it could possibly adapt the alterations of dry quenching system load.

Vertical Waste Heat Boilers Dry coke quenching auxiliaries have advantages of energy saving,Vertical Waste Heat Boilers cut in cost,lowering of polluting the environment and coke quality improvement.Waste heat boiler of dry quenching is main energy-saving equipment,that is used on dry coke quenching auxiliaries. Waste heat boiler of dry quenching  function is cooling recycle gas and producing steam.

Vertical CDQ Waste Heat Boiler Manufacturer
We are a leading waste heat boiler manufacturer specialized in all kinds of waste heat boiler designing and manufacturing. Waste heat boiler of dry quenching put together by our company has unique characteristic and contains been widely applied.Waste heat boiler of dry quenching can adapt the changes of dry quenching system load.

or just visit http://www.zgindustrialboiler.com to get the price or data.

20 ton circulating fluidized bed boiler for textile plant manufacturer

Circulating fluidized bed boiler manufacturer
As being a famous CFB boiler manufacturer in China, ZG Boiler has rich experience since 1992 (we cooperated with Tsinghua University to fabricate the boiler). The manufactured 10 ton - 280 ton CFB boiler used steady-state theory and CFB technology map, to re-structure the circulating fluidized bed, and possesses wide rage of coal fuels, low emission and high efficiency.

20 ton CFB boiler for sale
Circulating fluidized bed combustion (CFBC) is high efficiency, low pollution, clean combustion technology, and that is popular with economy. CFBC is especially employed in circulating fluidized bed boiler, and 20 ton CFB boiler from CFB boiler manufacturer ZG is high reliability, high stability, high availability.

Equally other industrial boilers, circulating fluidized bed boiler is composed by boiler body like combustion system, air & flue gas system, feed water system, feeding system, along with relative auxiliary equipment. The boiler component is a main factor for CFB boiler operation quality.

Our 20 ton circulating fluidized bed boiler for textile plant mainly has combustion system, gas-solid separator cycling equipment, and convection gas pass. That, new type of gas-solid fast separator with high separating efficiency, short gas resident time, low pressure loss and longevity is urgently had to couple with concurrent downer reactor.

World Bank GEF base--ZG Boiler

ZG is usually a professional industrial boiler manufacturer, with Class A Boiler Manufacture and Design License. To be a World Bank GEF efficiency and environment protection base, ZG have been focused on innovating the technologies to further improve the boiler thermal efficiency. ZG designs the force saving and high efficiency oil fired boiler, gas fired boiler, biomass fired boiler, etc. Besides, ZG also produces the economic autoclave available, like aac autoclave, aac block plant, that happen to be used in the dwelling material steam curing. 

ZG owns several technology patents, the self-supporting membrane water cool tubes wall, comprehensive using the dust and slag, downside α arch patent, these technologies are applied inside boilers to boost efficiency and reach the energy saving in gas & oil fired boiler, biomass fired boiler, cfb boiler, waste heat boiler, coal fired boiler.

Established in 1945, ZG has formed two professional production lines for boilers and pressure vessels with class A manufacturing license. Moreover, we have obtained ISO9001 certification and ASEM certification. We can easily make a selection of boilers and pressure vessels based on clients’ demands.

industrial steam boiler: fire tube VS water tube

An industrial steam boiler for sale can be a one contains water along with a flame powered by oil, coal or gas. The boiler transfers heat from the flames on the water vessel, thereby turning water into steam. This steam exits the vessel by having a pipe and is transported to an alternative location where quite a few to clean, to power equipment, to deliver heat or for a number of other functions. A closed boiler technique is one in which 100 percent of the steam is returned towards vessel available as water and reused. Closed Vietnam 10 ton coal fired steam boiler systems are efficient and fewer expensive to operate. However, some industrial processes contaminate the steam and forestall it from being reused. A 10 ton coal fired steam boiler Vietnam it does not return the used steam to the water vessel is named an open system.
There are 2 main types of boilers: fire tube steam boiler and water tube steam boiler. In the fire tube boiler, heat is directed through metal rods that pass through the center of the stream vessel. The rods are arranged in banks so the heat can move through the vessel oftentimes before escaping over the chimney. The hearth tube system exposes the lake towards maximum amount of heated surface plus provides the maximum quantity of water safe-keeping. In a water tube boiler, the warmth is directed through metal rods nearby the not in the water vessel. Water tube boilers are vertical and find the capability to generate more units of steam each hour and also provide less water storage than fire tube. industrial steam boiler manufacturers http://www.zgindustrialboiler.com/Special_Reports/steamboiler.html

ZG Boiler for Industrial Biomass fired Boilers

A sustained and routine inspection and testing regimen that goes a long way towards building products integrity and client rely upon our company’s products, Zhengzhou Boiler Co., Ltd. , follows the protection of maintaining highest quality of products, conforming to international accepted degree of workmanship as well as. We have quality  Wood Fired Boiler, Bagasse Fired Boiler, Rice Husk Fired Boiler.

The right way to rapidly produce steam is usually to feed the water being forced into a tube or tubes encompassed by the combustion gases. ZG Boilers for Industrial Biomass fired Boilers.This boiler was ultra-compact and lightweight in weight and this arrangement has since become the norm for marine and stationary applications. The tubes frequently have a large number of bends and sometimes fin to improve the symptoms area. Such a boiler is often preferred in questionable applications since the high pressure water/steam is contained within narrow pipes that may secure the pressure that has a thinner wall. It might however be subject to damage by vibration in surface transport appliances.

http://www.zgindustrialboiler.com/news/i/What-should-the-firing-of-biomass-hot-wat.html

10 ton steam boiler accident reasons

10 ton steam boiler refers to the type of boiler can carry 10 tons per hour of water heated to desired temperature of industrial boiler of the steam, as a kind of large special equipment, safety of the industrial steam boilers is a problem that every business should be considered, so they need to understand the what cause 10-ton steam boiler accident.
Followings are 10 ton steam boiler accident reasons:
1. 10 ton biomass steam boiler quality does not meet code requirements, has a serious defect, resulting in boiler furnace cannot withstand the pressure requirements, is one of the main reasons of boiler accidents occurred.
2.High and low water alarm is not installed. 10 ton steam boiler low water level chain protection device and, due to inaccurate level display, causing water shortage in dry, in cases of lapse of judgment in the action, blind operation water and cause the boiler to produce large quantities of steam, pressure surge.
3.Security failures, in unusual cases, it cannot effectively play the role of safety accessories, 10 ton steam boiler safety accessories there are explosion-proof doors, safety valve, water safety, such as high and low alarm level control.
We should know what likely caused the accident, so as to find measures to solve the problem, ZG Boiler, the leading steam boiler manufacturer, supplies 10 ton steam boiler designed with over-temperature, overpressure, water leakage, stalling and other protection, to ensure safe and reliable operation.
10 ton coal fired steam boiler to Vietnam
http://www.zgindustrialboiler.com/project/10-ton-coal-fired-steam-boiler-vietnam.html

waste heat recovery steam boiler benefits for sale

ZG Boiler offers years of experience utilizing waste gases and recovering its energy in the form of steam. Steam generation is an ideal way to recover waste heat energy from these gases in a form most easily utilized.

Enormous quantities of heat energy inherent in exhaust gases from various industrial processes can be recovered to reduce energy consumption. Capacities from 2 ton - 130 ton steam are possible utilizing high pressures and temperatures.

Waste heat recovery from a variety of processes including refinery, petrochemical incinerator gases, thermal oxidizer gases, nitric acid process gases, fume incinerator gases, coking, FCC, cement kilns.

WE industrial boiler manufacturer supply the cement kiln waste heat boiler, glass float waste heat boiler, carbon rotary waste heat boiler, coking waste heat boiler for sale and some other boilers with the following benefits:
Waste heat recovery steam generators utilizing shop assembled or modular field construction.
Waste heat recovery steam generator utilizing extended surface (finned tube), and non-extended tube (bare tube) designs.
Dirty gas applications equipped with soot blowers and or hoppers: Charcoal furnace exhaust steam, cement kiln exhaust, acid sludge gas, and ash-laden exhaust streams.

AAC Plant supplying in India

We supply highly reliable/high volume AAC Plants, But the requirement in India is for the AAC Plant which can produce AAC Blocks from RM available in India with Minimum cost (VC+FC) per m3 of accepted production. With supply more than the requirement and beside cut-throat competition among AAC plant Suppliers and competition from other conventional materials, It is a must that the shrinking gap between NSR & Ex- mill cost increases for survival of AAC Plants in India. The only area which new Plant suppliers should consider is to have Mixer opn- optimised for minimum RM cost per mould, minimum autoclaving cost matching with the dry density & available steam, automation with minimum human interference to reduce Fixed cost etc etc.

The cracks in building walls made with AAC Blocks are due to any of following major reasons:
1. High dry shrinkage value of Blocks - due to insufficient autoclaving, use of higher quantity of Pond ash/use of coarse Pond ash.
1. Low C/strength of Blocks and not following construction with AAC Blocks as per IS 6041.
1. Higher Dimensional variations in blocks.
1. leveling of First layer of AAC Blocks (Bottom most layer) is not maintained.

more details to see: 

http://www.zgindustrialboiler.com/news/i/How-to-use-the-waste-heat-of-industrial-a.html

waste heat boilers for steam generation

Waste heat boilers undoubtedly are a special type of boiler that generates steam by detaching the heat from your procedure that could have otherwise been wasted.

Waste heat boilers for sale are therefore capable to provide significant reductions in fuel and expenses, together with reduce greenhouse emission emissions. Waste heat boilers might be horizontal or vertical shell boilers or water tube boilers. They will be made to suit individual applications ranging through gases from furnaces, incinerators, gas turbines and diesel exhausts. The optimum requirement is that the waste gases must contain sufficient usable heat to generate steam or hot water on the condition required. Waste heat boilers may be intended for either radiant or convective heat sources.

Occasionally, problems may arise due to the way to obtain waste heat, and due consideration must be taken with this, with examples being plastic content in waste being burned in incinerators, carry-over from some sort of furnaces causing strongly bonded deposits and carbon from heavy oil fired engines. Some can be handled by maintaining gas-exit temperatures for a predetermined level in order to avoid dew point being reached and others by soot blowing.

some about cement kiln waste heat boiler to visit leading industrial boiler supplier
http://www.zgindustrialboiler.com/project/21t-Cement-Kiln-Waste-Heat-Boiler-in-Turk.html