Rubbish of countrywide city life produces a quantity every year to exceed 300 million tons, and accumulate volume of cargo in storage to already amounted to 8 billion tons without the city life rubbish of processing, embezzlement land area already amounted to 800 thousand mus. Develop as world economy, global population will rise considerably, to 2025, the amount of global city trash will from rise about 1.3 billion tons every year at present to 2.2 billion tons, at the appointed time China is annual urban rubbish crop will be close to 600 million tons.
The life rubbish with so huge amount produces per year a quantity, undoubted test is worn the rubbish of the our city handles ability. The rubbish that it is solution " encircle a city " tired, rubbish burns generate electricity the industry already became dimensions gradually in our country, use burn the quantity of heat that rubbish produces undertakes arisen rubbish handles way generating electricity to become each country already. According to calculating, the calorific value that 2 the sources of energy in rubbish are like the place such as organic combustible to contain is high, burn the quantity of heat that 2 tons of rubbish produce is equivalent to 1 ton of coal about. China is the rubbish resource big country on the world. If China can use rubbish effectively at generating electricity, will save coal 5-6 ten million every year ton, its resource benefit is very considerable.
Rubbish burns generate electricity:
Rubbish burns generating electricity is to point to to after sending incinerator what rubbish passes incinerator into makings mouth, make rubbish is in the temperature of 1000 ° C issues ～ of 800 ° C to burn adequately, will burn a large number of quantity of heat of the generation in the process through heating water supply comes bring to turbine again after overheat vapour, after turbine does work, the vapour course of high temperature high pressure changes heat energy into electric energy, realize the process that generate electricity thereby.
Rubbish burns in incinerator the flue gas of the generation in the process removes dust through purifying atmosphere is emited into through chimney after equipment purifies flue gas, after the slag of the generation after burning reachs flying ash to collect be used integratedly or fill bury. The decrement of the rubbish bulk after burning is as high as 80%-90% , reduced the weight of 70% , because this is used,burn processing rubbish can be achieved reduce the effect that reduces volume again, the advantage that rubbish burns still has cover an area of a face to accumulate small, more than heat to generate electricity, thoroughly effective eliminate bacterium, waste residue to be able to regard as the advantage such as housing materials.
Major life rubbish did not do careful classification, have part complex, configuration diversity, water divides advanced and multiple characteristic, brought about domestic rubbish to burn calorific value is inferior, because this must want,necessary pretreatment is done to rubbish before rubbish burns. Rubbish burns pre-treatment system, have the system of processing to rubbish before rubbish enters boiler namely, it is city life rubbish burns the main component of power plant, also be the key in engineering design and difficulty.
Double axis cuts type crusher
Rubbish of clean general life burns pretreatment product line:
1.Broken system
The organic content with the of all kinds mineral in life rubbish and high moisture content, wait like rubbish of sandy soil block, metal, glass, hutch beyond, can reduce calorific value badly, reduce burn efficiency, bring about flue gas to discharge exceed bid. The main purpose of broken processing is to reduce particle size, increase the uniformity of appearance, those who conduce to each combustion parameter is smooth with control, facilitating follow-up handles process undertake.
2.Grading system
Burn in rubbish in pretreatment process, use magnetic force to divide pitch on to depart metallic stock and other stock automatically. Automatic discharge enters tramp iron separator of metallic stock classics cache device, be helpful for rising burn efficiency.
3.Fall dirt system
The technology of science and technology that uses modernization, system is modular design, according to the client actual condition is custom-built the intelligence of the design falls dirt system, implementation specific aim falls dirt, avoid to fall dirt system is invalid the job, effective resource conservation.
4. supervisory system
Run condition and data to be monitored in real time to equipment through supervisory system of clean general intelligence, sentence equipment malfunction beforehand ahead of schedule, reduced equipment malfunction to maintain maintenance cost, those who ensure equipment is successive and efficient move.
Rubbish burns generate electricity to be able to solve city life rubbish not only, and still can use the quantity of heat that rubbish combustion produces undertake generating electricity, partook city the power supply pressure of one part. Accordingly, rubbish burns the priority discipline in generating electricity to build a course for the city. In developing a process the government sector also gave policy support, make rubbish burns generate electricity got flying development.
