① Mechanical cleaning method using a through type cleaning machine: cleaner and scraper cleaning method, drill pipe cleaning method, and shot blasting cleaning method.

②通过式清洗机水利清洗法：低压水力清洗（低压清洗的压力为196-686千帕，大约2-7公斤力/平方厘米，等于0.2-0.7Mpa）。

② Through type cleaning machine hydraulic cleaning method: low-pressure hydraulic cleaning (low-pressure cleaning pressure is 196-686 kPa, approximately 2-7 kgf/cm2, equal to 0.2-0.7 Mpa).

③通过式清洗机高压水射流设备清洗：高压清洗的压力为4900千帕，大约50公斤力/平方厘米，等于5Mpa。这种情况方法也叫高压水射流法、高压清洗机。

③ Through the high-pressure water jet equipment cleaning machine: The high-pressure cleaning pressure is 4900 kPa, approximately 50 kgf/cm2, equal to 5Mpa. This method is also known as high-pressure water jet method or high-pressure cleaning machine.

电子防垢、除垢

Electronic scale prevention and removal

原理是：利用高频电场改变水的分子结构，使其防垢和除垢。当水通过高频电场时，其分子物理结构发生了变化，原来的缔合链状大分wyt_dsry子，断裂成单个水分子，水中盐类的正负离子被单个水分子包围，运动速度降低，有效碰撞次数减少，静电引力下降，无法在受热壁式管面上结构，从而达到防垢目的。同时由于水分子偶极矩增大，使其与盐的正负离子（水垢分子吸合能力增大，使受热面或管壁上的水垢变得松软，容易脱落，产生了除垢的效果。

The principle is to use high-frequency electric field to change the molecular structure of water to prevent and remove scale. When water passes through the high-frequency electric field, its molecular physics structure changes, and the original associated chain like large component wyt_ The dsryon breaks into a single water molecule, and the positive and negative ions of the salt in the water are surrounded by a single water molecule, resulting in a decrease in movement speed, effective collision times, and electrostatic attraction. It is unable to structure on the heated wall tube surface, thus achieving the goal of scale prevention. At the same time, due to the increase in the dipole moment of water molecules, the adsorption ability of water molecules with positive and negative ions of salt (scale molecules) increases, making the scale on the heating surface or pipe wall soft and easy to fall off, resulting in a descaling effect.

静电防垢、除垢与电子除垢一样，也是通过改变水分子状态来实现防垢、除垢目的的。只不过后者是利用静电场的作用，而不是电子作用。其机理是水分子具有极性（也称偶极子），当水偶极子通过静电场时，每个水偶极子将按正负有序地连续排列。如水中含有溶解的盐类，其正负离子将被水偶极子包围，也按正负顺序排列于水偶极子群中，不能自己的运动，因而也就不能靠近管（器）壁，并进而沉积于管（器）壁上形成水垢。同时，水中释放的氧，可使管壁产生一层极薄的氧化层，可以防止管（器）壁腐蚀。

Electrostatic scale prevention and removal, like electronic scale removal, also achieve the purpose of scale prevention and removal by changing the state of water molecules. However, the latter utilizes the action of an electrostatic field rather than the action of electrons. The mechanism is that water molecules have polarity (also known as dipoles), and when water dipoles pass through an electrostatic field, each water dipole will be continuously arranged in a positive and negative order. If the water contains dissolved salts, its positive and negative ions will be surrounded by water dipoles and arranged in a positive and negative order within the water dipole group. They cannot move on their own and therefore cannot approach the wall of the tube (vessel), which in turn deposits on the wall to form scale. At the same time, the oxygen released in water can create an extremely thin oxide layer on the pipe wall, which can prevent corrosion of the pipe (device) wall.