Buy power outlet need "four attention"
The authoritative statistics show that in the recent fire accidents in our country, the fires caused by power sockets, switch shorts and the like were among the first of various kinds of fires. For the vast number of consumers lack of knowledge about the power outlet and indifferent to the status of indifference, the Consumer Association of Heilongjiang Province, 38 consumer rights units nationwide recently jointly issued consumer alerts to remind consumers in the purchase of power outlets, pay special attention to the following four point: First, the hole type. Be sure to buy a new national standard socket, do not buy the national ban on the production of universal socket. The new national standard three-phase socket and two separate, there are five holes; Universal socket socket with three-phase jack and two-phase jack together, there are three holes. Second, the number of pins. Do not buy a three-pole socket on the board, but the socket itself comes with two pins on the plug only two-pin socket. Third, check the hand feeling. In line with national standards used within the copper socket, copper thick, plastic shell is tight, heavier components, and substandard socket jerrycans will obviously feel a lot lighter. Qualified socket plug each socket feel moderate flexibility, and the plug socket plug feel the same; unqualified socket plugging intensity is too loose or too tight, poor flexibility and easy to loose, each hole can be obvious Feel different feel. Fourth, look at the appearance. Qualified outlet on the package manufacturers and product information is complete, some substandard outlet is poorly packaged, the lack of the most basic manufacturers and product information. In addition, the qualified socket shell panel workmanship, there is no glitches on the side of the shell and jack, socket size symmetry uniform, poor quality socket shell work rough.
The STL water-jacketed Gold Concentrator is a kind of gravity separation equipment. It was developed by Changchun Gold Research Institute Co., Ltd. in 1985 and entered the market. At present, it has been used in many domestic and foreign companies. It is suitable for the recovery of single gold in placer gold, vein gold mines and polymetallic mines, instead of mercury plate operations. The addition of large single gold particles in the collected ore before flotation can further increase the recovery rate of gold mines, and it can also be used from gold-bearing mines. Separate single gold from flotation gold-copper concentrate and flotation gold concentrate.
The main indicators of this series of equipment basically reach the level of similar international products (such as Nielsen gold selectors, etc.). Compared with similar equipment at home and abroad, this series of equipment has the advantages of high cost performance, easy operation, and low maintenance costs.
Gold Extractor Equipment,Gold Concentrator Separation,Gold Dust Separator Machine,Gold Centrifugal Selecting Machine Changchun Gold Research Institute Co.LTD , https://www.changchungoldresearch.com