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1. The zero discharge treatment method of electroplating wastewater is as follows. Collect the wastewater from electroplating pretreatment into the organic wastewater collection well. When the level of the collected electroplating wastewater reaches the design height, raise the pump to start, and the pump flows into the regulating tank. Copper plating cleaning water, nickel plating cleaning water and chromium plating cleaning water are pumped into the chemical reaction tank respectively by their respective lift pumps, including copper plating cleaning water, nickel plating cleaning water and chromium plating cleaning water
Published on: September 22, 2020 Clicks: 127
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Treatment of wastewater or waste liquid discharged from electroplating production. The wastewater and waste liquid discharged from the electroplating factory contain a large number of metal ions, such as chromium, pickaxe, nickel, cyanide, acid, alkali, and generally organic additives. Some metal ions exist in the form of simple cations, some exist in the form of acid anion, and some exist in the form of complex complex ions. Commonly used neutralization in electroplating wastewater treatment
Published on: January 26, 2019 Number of hits: 219
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The conventional treatment technology of electroplating wastewater in China has been relatively mature. The modern biological method for electroplating wastewater treatment is a very promising wastewater treatment technology, which does not produce secondary pollution. The key is to use new technology to further treat it and further improve the effluent quality. Due to its high separation efficiency and the ability to recover heavy metals, membrane treatment technology is bound to account for
Published on: January 25th, 2019 Clicks: 141
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The wastewater quality of electroplating industry is complex. The wastewater contains heavy metal ions such as chromium, zinc, copper, nickel, cadmium and other toxic impurities such as acid and alkali. The industrial wastewater has the following characteristics: (1) The composition is complex, and the pollutants can be divided into inorganic pollutants and organic pollutants. (2) The water quality changes greatly, and the production wastewater pollutants of each share
Published on: January 25th, 2019 Number of hits: 156
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Pretreatment refers to the electrocleaning and activation treatment of the surface of the plated object to improve the bonding strength between the coating and the object. The electroplating solution to be used in this link is surface treatment solution, mainly including electrocleaning solution and activation solution. The electrocleaning solution is a colorless transparent alkaline aqueous solution with a pH of 13, which can grow
Published on: December 7, 2018 Number of hits: 166
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During nickel plating, the cathode is the part to be plated and the anode is a pure nickel plate. The following reactions occur at the cathode and anode respectively: cathode (plated part): Ni2++2e → Ni (main reaction); 2H++2e → H2 ↑ (side reaction); Anode (nickel plate): Ni-2e → Ni2+(main reaction); 4O
Published on: December 7, 2018 Clicks: 154
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Electroplating equipment is to carry out necessary trimming and processing on the surface of parts to make them have a smooth and clean surface. This is an important link to obtain high-quality coating. So this link needs some auxiliary equipment to complete. What equipment are there? 1. The plating tank must be equipped with accessories including anode and anode
Published on: December 7, 2018 Clicks: 139
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1. Leveling ability: Leveling ability (i.e. micro dispersion ability) refers to the ability of the plating solution to make the micro profile of the coating smoother than the substrate surface when the coating is formed on the metal surface. It indicates that the roughness of the base metal is relatively small, the depth of the wave cavity is less than 0.5mm, and the distance between the wave crest and the wave trough is very small
Published on: December 7, 2018 Clicks: 202
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1. The raw materials must be fully dried according to the process requirements, without moisture, or there will be craze on the surface after injection molding. 2. The injection temperature, pressure, time, etc. meet the requirements of the process parameter card, and the injection speed should be strictly controlled. Too fast injection speed will lead to poor adhesion between the coating and the substrate (the injection speed of plated parts should be controlled at 15% - 3
Published on: December 7, 2018 Clicks: 193
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Electroplating equipment has changed the simple cleaning method in the past and adopted a new cleaning method - ultrasonic cleaning. With ultrasonic cleaning, electroplating equipment can be cleaned quickly and efficiently. The cleaning temperature shall be determined by test according to the residual amount of oil stain, cleanliness requirements, cleaning method and drying method of electroplating parts
Published on: December 7, 2018 Number of hits: 239
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The quality of electroplating solution is an important factor affecting the coating thickness, and the judgment of its quality is multifaceted: 1. Dispersion ability: when other conditions are the same, the better the dispersion ability, the more uniform the coating thickness distribution; 2. Deep plating ability: deep plating ability refers to the ability of the plating solution to deposit coatings on the deep recesses of complex parts, also known as coating
Published on: December 7, 2018 Clicks: 405
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Everyone knows that management brings benefits. How to create a high-quality, efficient and low-cost electroplating processing system? The price of electroplating equipment is what every electroplating processing enterprise hopes to achieve. In order to achieve this, we must strengthen our own quality through hard work. As far as the electroplating processing site is concerned, it must have "perfect management system" and "standard operation method".
Published on: 2018-12-07 Number of hits: 479
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The electroplating automatic production line is a modern equipment that works continuously in strict accordance with the pre established work procedures, process flow and time requirements. It runs fast and stably, with high output and stable quality, but it is not as random as the manual line, so it is difficult to change. Decision making due to high investment
Published on: 2018-12-07 Number of hits: 418
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With the rapid economic development, environmental problems are also a very serious problem, so we can't just focus on economic development and ignore the problem of environmental damage. Previously, we didn't know much about the problems brought about by industrial development, but since the emergence of haze, acid rain and other problems, we
Published on: December 7, 2018 Number of hits: 414
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What points should be paid attention to in the management of electroplating equipment? Electroplating equipment management is the basis of electroplating enterprise production. The purpose of electroplating equipment management is to use the equipment more effectively and economically, give full play to the best benefits, reduce failures and ensure rapid recovery of functions. If a large number of advanced equipment cannot play a smooth and efficient role,
Published on: December 7, 2018 Number of hits: 167
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Electroplating equipment Electroplating technology, also known as electrodeposition, is one of the main methods to obtain metal coating on the surface of materials. It is the process of making the metal ions in the solution deposit on the surface of the cathode plated parts under the action of the DC electric field and forming a circuit by the anode and cathode in the electrolyte solution (plating solution); Current efficiency: for
Published on: December 7, 2018 Clicks: 136
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1. The last method of brush plating is called "brush plating": it is an electrodeposition technology, and not all parts are immersed in the electrolyte during the electroplating process. In this electroplating technology, only a limited area is electroplated, and there is no impact on the rest.. 2. Fingering
Published on: December 7, 2018 Clicks: 145
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The plating pen is the main tool for brush plating, which is composed of a handle and an anode. The anode is the working part of the plating pen. Graphite and platinum alloy are ideal insoluble anode materials, but graphite is the most widely used. Platinum iridium alloy is only used when the anode size is too small to use graphite. Wrap absorbent cotton sheath on graphite anode
Published on: December 7, 2018 Number of hits: 299
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The production process carried out by the electroplating workshop can be divided into three links, namely, surface treatment before plating, electroplating treatment and post plating treatment. Electroplating equipment generally refers to the above production equipment that directly processes parts. The electroplating process includes base color electroplating, color barrier coating, laser pattern, secondary electroplating, color barrier coating removal and protective film spraying& nbs
Published on: December 7, 2018 Clicks: 548
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According to the electrolytic law, only the average thickness of the whole surface of the plated part can be counted. Practice has proved that even on the plane cathode with the same cathode distance, the distribution of current density and coating is uneven. The coating thickness on the sharp corners and edges is obviously greater than the average thickness, and the thickness on the central surface of the plane cathode is significant
Published on: December 7, 2018 Clicks: 1371
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The production line of full-automatic electroplating equipment is designed with different loading methods and operation rhythms according to the different size and output value of goods. After the relevant operation procedures are prepared, the crane will automatically act according to the system needs, and then complete the automatic operation of production process. The whole set of electrical control system is controlled by PLC and industrial computer, which has strong anti-interference ability, so as to ensure that the system is long
Published on: December 7, 2018 Clicks: 395
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1. Cathode current density Any electroplating solution has a range of current density to obtain a good coating. Within the specified range of the process, with the increase of cathode current density, the cathode polarization also increases, and the finer the coating crystallization, especially when the cathode polarization rate is large, the effect is more obvious; However, when the cathode current density exceeds the allowable upper limit
Published on: December 7, 2018 Clicks: 522
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What are the particularity of electroplating equipment and materials? The particularity of electroplating equipment material is porous. The Nd-Fe-B material made by powder pressing and sintering has porous surface, which has been machined before surface treatment. Many impurities (such as oil) harmful to surface treatment or magnetic coating are adsorbed in the pores of material surface
Published on: 2018-12-07 Number of hits: 478
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After use every day, the walls, glass and platform base in the room should be cleaned to avoid the accumulation of dust and paint dust. Clean the air inlet dust screen every week, and insist on whether there is dust accumulation on the exhaust dust screen. If the air pressure in the Suzhou paint booth rises for no reason, replace the exhaust dust screen
Published on: December 7, 2018 Clicks: 151
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The Opinions clearly requires that through special rectification and long-term management of electroplating enterprises in Wujin District, the level of electroplating enterprises in Wujin District will be effectively improved, so as to achieve advanced technology, stable pollution control and scientific management, and completely change the situation of small production scale, backward technology, low industrial level, heavy environmental pollution and many potential safety hazards. At the same time, deepen electroplating
Published on: December 7, 2018 Number of hits: 115
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For the surface condition and processing requirements during electroplating, select the appropriate steps to carry out necessary trimming and processing on the surface of the parts, so that the parts have a smooth and clean surface, which is an important link to obtain high-quality coating. In the pretreatment process of plating, the main equipment used are grinding, polishing machine and brush
Published on: December 7, 2018 Number of hits: 189
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At present, most of the rectifier transformers are three-phase five column core energy-saving transformers, which eliminates the balance reactor than the six phase double reverse star rectifier with balance reactor. Electroplating equipment manufacturers reduce costs and improve efficiency. The maintenance of thyristor power supply is more complicated. During maintenance, the fault position shall be distinguished first, and the multimeter DC shall be used first
Published on: December 7, 2018 Clicks: 137
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9 precautions for electroplating and polishing operation ① Extract the wheel to be polished and check whether the wheel surface identification is consistent with its defects (pitting, pinhole, missing plating, insufficient brightness, inexhaustible wax removal, blistering, peeling, sanding, edge burning, poor displacement, bruise, sanding, roughness, deformation, etc.)& nb
Published on: December 7, 2018 Clicks: 220
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The automatic control of crane on electroplating production line is the key to the automatic control of electroplating production line. The electroplating production line is completed by 4 cranes according to its process requirements, and each crane runs according to its own program. This production line is composed of 32 stations, and station slots 7, 15 and 22 are used for traveling
Published on: December 7, 2018 Clicks: 162
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The control of process temperature is the top priority in the electroplating process. If the temperature fluctuates greatly, it will directly affect the quality of electroplating and cause energy waste. The existing electroplating equipment has taken this into consideration when designing, and the pre heating function is set on its human-machine interface, through which the pre heating
Published on: December 7, 2018 Number of hits: 134
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The common power supply of electroplating equipment has the following five types: 1. DC generator DC generator belongs to the early electroplating power supply, which has the advantages of stable power supply and large overload capacity, but it has large energy consumption, low efficiency, large noise, and poor economy. Large electroplating workshops are seldom used, and only small-scale temporary production electroplating workshops are used. 2、 The rectifier is generally composed of casing, rectifier element
Published on: December 7, 2018 Number of hits: 240
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1. Process flow of high-speed electroplating line without isolation coating:<br>transmission steel belt on the frame clamp (manual tangent feeding, flap feeding or automatic magazine feeding) → chemical or electrochemical degreasing → hot water spray cleaning → surface deoxidation → pure water spray → surface activation → electrotinning → pure water spray coating → acid-base neutralization → hot purity
Published on: December 7, 2018 Clicks: 198
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Electroplating production line can be divided into manual electroplating production line, semi-automatic electroplating production line and full-automatic electroplating production line according to production mode. Electroplating production line can be divided into hanging plating production line, barrel plating production line, continuous plating production line, brush plating production line, circular plating production line and straight line dragon according to electroplating method
Published on: December 7, 2018 Number of hits: 342
