锅炉吹灰器清灰机理及实现的价值所在


 在设备的运行过程中,锅炉吹灰器以高端的清灰机理以及自身拥有的性能占据市场,由于灰粒子的表面的引力、粒子之间及粒子与炉内管壁之间存在着一定粘结力、分子的附着力和静电引力以及设备自然存在的化学亲和力等多方面的性能作用,使设备在炉膛及烟道各部位的换热面上不断的逐步形成积灰结焦。而锅炉吹灰器中的烟气灰粒是一种宽筛分组成,所以大部分都是小于220um,其中多数为10~30um的微小粒。当设备的烟气横向冲刷到一定的受热面时,管子的背风面就会产生旋涡,将会将许多小尘粒吸附进去,而灰粒之间却靠的是分子和静电引力所吸附在设备的管壁上,而灰粒越小其设备的单位重量的表面积就会越大,因而针对相对分子和静电引力就会越大。一般会小于3~5um的灰粒与设备的管壁进入到接触状态,其分子引力就会随之大于本身自身的重量,从而使设备在吸附上能够处于管壁上;另外设备所引起的烟气中的灰粒也可以随之被感应而带来非常有效的静电荷,当带电的灰粒与管壁之间进行有效的接触时,静电引力就会随之大于灰粒自身的重量的颗粒便会不断的被吸附在设备的管壁上。一般都会小于一定范围值的带电灰粒都会被吸附住,而有时会将带电灰粒小于一定范围值时也能吸附在管壁上。但是大的灰粒就不容易吸附在管壁上,而且还会造成冲击管壁,使积灰不断的减轻,锅炉清灰正是利用这一有效的原理进行最有效的除尘除灰的。

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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