鍋爐吹灰器清灰機理及實現(xiàn)的價值所在
發(fā)布時間：
2023-07-31 00:00
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在設備的運行過程中，鍋爐吹灰器以高端的清灰機理以及自身擁有的性能占據(jù)市場，由于灰粒子的表面的引力、粒子之間及粒子與爐內(nèi)管壁之間存在著一定粘結(jié)力、分子的附著力和靜電引力以及設備自然存在的化學親和力等多方面的性能作用，使設備在爐膛及煙道各部位的換熱面上不斷的逐步形成積灰結(jié)焦。而鍋爐吹灰器中的煙氣灰粒是一種寬篩分組成，所以大部分都是小于220um，其中多數(shù)為10~30um的微小粒。當設備的煙氣橫向沖刷到一定的受熱面時，管子的背風面就會產(chǎn)生旋渦，將會將許多小塵粒吸附進去，而灰粒之間卻靠的是分子和靜電引力所吸附在設備的管壁上，而灰粒越小其設備的單位重量的表面積就會越大，因而針對相對分子和靜電引力就會越大。一般會小于3~5um的灰粒與設備的管壁進入到接觸狀態(tài)，其分子引力就會隨之大于本身自身的重量，從而使設備在吸附上能夠處于管壁上；另外設備所引起的煙氣中的灰粒也可以隨之被感應而帶來非常有效的靜電荷，當帶電的灰粒與管壁之間進行有效的接觸時，靜電引力就會隨之大于灰粒自身的重量的顆粒便會不斷的被吸附在設備的管壁上。一般都會小于一定范圍值的帶電灰粒都會被吸附住，而有時會將帶電灰粒小于一定范圍值時也能吸附在管壁上。但是大的灰粒就不容易吸附在管壁上，而且還會造成沖擊管壁，使積灰不斷的減輕，鍋爐清灰正是利用這一有效的原理進行最有效的除塵除灰的。
During the operation of the equipment, the boiler soot blower occupies the market with its high-end cleaning mechanism and its own performance. Due to the surface attraction of ash particles, the presence of certain bonding forces between particles and the furnace wall, molecular adhesion and electrostatic attraction, as well as the natural chemical affinity of the equipment, and other performance effects, Gradually form ash and coking on the heat exchange surfaces of the furnace and flue of the equipment. The flue gas ash particles in the boiler soot blower are composed of a wide sieve, so most of them are smaller than 220um, with most of them being small particles of 10-30um. When the flue gas of the equipment horizontally washes out to a certain heating surface, vortices will be generated on the leeward side of the pipe, which will adsorb many small dust particles. However, the ash particles are adsorbed on the pipe wall of the equipment by molecular and electrostatic forces. The smaller the ash particles, the larger the surface area per unit weight of the equipment, and therefore the relative molecular and electrostatic forces will be greater. Generally, ash particles smaller than 3-5 μ m will enter a contact state with the pipe wall of the equipment, and their molecular attraction will be greater than their own weight, allowing the equipment to be on the pipe wall during adsorption; In addition, the ash particles in the smoke caused by the equipment can also be induced to bring very effective static charges. When the charged ash particles make effective contact with the pipe wall, the electrostatic attraction will be greater than the weight of the ash particles themselves, and the particles will continuously be adsorbed on the pipe wall of the equipment. Generally, charged ash particles smaller than a certain range value will be adsorbed, and sometimes charged ash particles smaller than a certain range value can also be adsorbed on the pipe wall. However, large ash particles are not easily adsorbed on the pipe wall, and can also cause impact on the pipe wall, continuously reducing the accumulation of ash. Boiler dust removal is the most effective method of dust removal using this effective principle.
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在技術領域的支持下，總結(jié)出鍋爐吹灰器除灰內(nèi)燃的技術及原理，鍋爐的內(nèi)燃過程實際上是一種極其復雜的物理化學反應過程，但是由于受燃煤的特性、受熱面上的結(jié)構(gòu)、爐內(nèi)的溫度場水平就越來越高及空氣動力工況等物質(zhì)因素，造成整個受熱面積的灰與結(jié)渣，使鍋爐設備出力也不斷的下降。而國內(nèi)的動力用煤多使用的是低品劣質(zhì)煤，鍋爐的燃煤多存在變且灰份也非常的大、熱值也在不斷的降低的趨勢，這就自然的加劇著受熱面的積灰結(jié)焦的過程形成。<BR/> With the support of the technical field, the technology and principle of internal combustion in boiler soot blower have been summarized. The internal combustion process of the boiler is actually an extremely complex physical and chemical reaction process. However, due to the characteristics of coal, the structure of the heating surface, the temperature field level inside the furnace becoming higher and higher, and aerodynamic conditions and other material factors, the ash and slag deposition in the entire heating area are caused, resulting in a continuous decrease in the output of the boiler equipment.
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湖北華信機械發(fā)展有限公司專業(yè)從事各類鍋爐吹灰器、冷渣器、閥門管道系統(tǒng)、工業(yè)控制系統(tǒng)及其他輔機設備的設計開發(fā)、生產(chǎn)制造與檢修服務。
Hubei Huaxin Machinery Development Co., Ltd. specializes in the design, development, production, manufacturing, and maintenance services of various boiler soot blowers, slag coolers, valve piping systems, industrial control systems, and other auxiliary equipment.
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