The valve industry in Longwan District of Wenzhou proposed to take the market at home and abroad as the direction, and to develop new, refined, and special product targets, with technological innovation and institutional innovation as the driving force, to .......
Water spray dust prevention In the process .......
The screen operation is easy, the maintenance is convenient, the investment is small, and the production cost is low. The air clean.......
(1) Equipment selection and calculation
A Centrifugal slurry pump a Pump type and selection principle The centrifugal slurry pump commonly used for slurry pressure transmission has the following types:
PNJ type PSJ type rubber-lined pump—The .......
First, the treatment of mine wastewater
Sulfide deposits under the action of oxygen and water, wherein the sulfur, iron and other elements would form sulfuric acid and .......
There are five methods for chemical treatment of wastewater containing flotation reagents.
(1) Oxidative decomposition: oxidizing agent used
Liquid chlorine, bleaching powder, sodium hypochlorite, etc.......
The reporter recently learned from the Double Star Group that in the first quarter, based on the successful cooperation of biased engineering tire projects in 2010, the Twin Star Rubber Machinery Company and the Iranian tire company once again cooperated, n.......
Although the entry of technology companies into the automotive industry is not new in the automotive industry, the leader of LeTV, Jia Yueting, immediately announced the plan to build a car after a long period of silence, or it has caused waves in the industry. Some voices believe th.......
On May 19th, Fiat Chrysler Motors announced on the 18th that it will recall 506,420 Jeep Wrangler off-road vehicles that are selling well, because the airbags on the driver's side cannot be deployed normally when the car coll.......