雙組份打膠機將導(dǎo)致局部電場強度極高、介質(zhì)擊穿、正負電荷中和、產(chǎn)生電火花,引燃或引爆有機溶劑氣體,造成嚴重的人身設(shè)備安全事故.此種安全事故,在這一行業(yè)內(nèi)時有發(fā)生.然各廠家在涂布生產(chǎn)時采用了各種不同方式的除靜電措施,如離子流除靜電器、機體.電源地線簡單接地除靜電措施等,這些措施有不同的消除靜電作用,但都不能確保安全生產(chǎn).

Will lead to high local electric field strength, dielectric breakdown, charge neutralization, spark ignition or detonation of organic solvent gas, causing serious safety accidents. The accidents in this industry have occurred. However, the manufacturers in production of coated by electrostatic measures in addition to a variety of different ways. Such as ion flow static eliminator, simple ground power ground body. In addition to static measures, these measures have different elimination of electrostatic interaction, but can not ensure the safety in production.

采用簡單的接地電阻較高的機體.電源地線接地消除靜電措施,在理論上局限于用歐姆定律:V=IR的觀念.

Using a simple grounding resistance higher body. Grounding of power supply ground wire to eliminate electrostatic measures is theoretically confined to Ohm's Law: the concept of V=IR

生產(chǎn)現(xiàn)場中用靜電測試儀測定的電壓值雖為數(shù)千伏,但它是反映散布在紙、塑膜及各導(dǎo)輥所有表面靜電荷的總能量狀況,而每個瞬間能以導(dǎo)輥接觸的物料表面上分散存在的靜電荷的電壓是有限的.分散在絕緣體上每個靜電荷不可能經(jīng)地線流人大地.

Voltage tester for electrostatic field values in the production although thousands of volts, but it reflects the spread in paper, plastic film and the guide roll all the electrostatic charges on the total energy, and every moment in the roller surface contact material dispersed on the voltage of electrostatic charge is dispersed in limited. Each static charge on insulator impossible by wire flow of the earth.

離子流除靜電器一類措施,只適于消除被加工物表面已積累的靜電荷,不能消除穿過后續(xù)導(dǎo)輥再產(chǎn)生的靜電;尤其是涂布頭附近空間導(dǎo)輥眾多,空間有限,不便用這類除靜電器除靜電.

Ion flow static eliminator of a class of measures to eliminate static charge is only suitable for processing on the surface have been accumulated, can eliminate static electricity generated through the subsequent guide roller; especially the coating head space near the guide roller is numerous, the limited space, inconvenient use this kind of static eliminator eliminates the static electricity.

在雙組份打膠機生產(chǎn)過程中,被加工的紙或塑膜類物料及涂布機各類導(dǎo)輥會產(chǎn)生大量靜電,而不少生產(chǎn)工藝須使用低沸點、易揮發(fā)的易燃易爆的有機溶劑,如甲苯、溶劑汽油及各種酮類、酯類溶劑,產(chǎn)生大量易燃易爆熔劑氣體.若消除靜電措施不當,隨著靜電荷不斷積累。

In two-component glue machine in the production process, the processed paper or plastic film material and all kinds of roller coating machine will produce a large number of static, organic solvents and many production processes must be using low boiling point volatile, flammable and explosive, such as toluene, solvent gasoline and various ketones, esters solvent, resulting in a large number of flammable gas flux. If the electrostatic elimination measures properly, with the accumulation of electrostatic charge.

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