41results about How to "Speed up replacement" patented technology

This invention discloses a process for treating the etching waste solution of printed circuit board by microwave circulation. Wherein: neutralize the etching waste solution in the microwave waste water catalyzing treatment system, charge air to aeration, and then filtrate with pressure to separate other heavy metals and oil impurities; conduct the pressure filtration, stirring and cleaning for four times, add acid and alkaline to react until reaching the saturation extent which would generate precipitation; extract and clean the mother liquid which has deposited settling crystal for continuing circulation reaction; separate the cupric sulfate crystals from the waste liquid using centrifuge; and the remained waste liquid can be used to produce other chemical products after microwave circulation regeneration process. When applying the process of this invention to treat the etching waste solution of printed circuit board, the microwave catalyzing technology can accelerate the substitution rate and improve the copper ion extraction rate. Besides, it comprehensively utilizes the waste water to produce other chemical products without waste water discharge, which thoroughly solves the serious environmental pollution problem caused by waste water discharge.

The invention discloses an air inflating tool for protecting the welded back surface of a stainless steel plate. The air inflating tool comprises a back-protecting air inflating groove which is arranged in a manner of being matched with a welding seam in the welded back surface; a V-shaped or U-shaped air inflation protective hood is arranged inside the back-protecting air inflating groove; a diffusion buffer is slidably arranged inside the air inflation protective hood; and the end, positioned outside the back-protecting air inflating groove, of the diffusion buffer is provided with a protective air pipe joint. When being used for implementing flat welding operation for the stainless steel plate, the air inflating tool is simple and convenient to operate, achieves a good protection effectand improves the work efficiency. The air inflating tool is light, portable and reasonable in structure and can be regulated and moved according to actual welding length. Air inflation is optimized by adopting an input air diffusion buffer; the back surface is intensively protected; the back surface of the welding seam of the stainless steel plate is mainly white and golden yellow, and an optimalprotection effect is achieved; argon enters a protection region via the diffusion buffer so that the argon and the air are exchanged more quickly; and thus the oxygen content in the protection regionis reduced relatively quickly.

The invention provides an electrostatic air purification device, which comprises: a charging chamber (2), which has an air inlet (1) for inflowing air; a charging device (3), which is arranged in the charging chamber In the chamber (2), it is used to charge the solid particles in the air; the water tank (4), which is arranged under the charging device (3), is used to collect the charged solid particles; in the charging device ( 3) An electric field is formed between the water tank (4) and the charged solid particles to accelerate downwards, so that the charged solid particles fall into the water tank (4). The electrostatic air purification device provided by the present invention does not need to replace the filter screen, but simply replaces the dirty water, and can generate negative ions, which can not only prevent the generation of ozone, but also effectively remove harmful substances in the air.

The invention discloses a high-physicochemical-property electrolyte preparation device and preparation method. An exhaust pipe is arranged on the top surface of a tank body; the outlet of the exhaustpipe is connected to a sucking pump and a circulating pipe in parallel, the outlet of the circulating pipe is connected to the inlet of an inflation mechanism in parallel, a circulating pump and a one-way valve are sequentially installed at the outlet of the circulating pipe, and the one-way valve is used for preventing nitrogen in a nitrogen conveying pipe from entering the circulating pipe; thecirculating pump is used for driving nitrogen to circularly move; the sucking pump communicates to a liquid recovery mechanism, and the liquid recovery mechanism is used for recovering liquid in the gas; gas in the tank body is eliminated in a vacuumizing mode and a nitrogen filling mode, air in the tank body can be effectively removed, air residues are avoided, the product quality of the electrolyte is guaranteed, the physical and chemical properties of the electrolyte are improved, and even if a gap exists in the top surface of the tank body, the nitrogen for filling can be dispersed out ofthe gap, so that the gap is filled.

A microwave integrated machine for producing airgel materials and a method for continuously producing airgel materials, the invention belongs to the technical field of airgel material production, and in particular relates to a microwave integrated machine and efficient production of continuous airgel material production using microwave technology method. The invention aims to solve the technical problems of long production period and collapse of internal skeleton structure in the existing method for preparing airgel, which lead to the decline of thermal insulation performance. The method is as follows: prepare the wet airgel material, the wet airgel material enters the solvent replacement device, then enters the hydrophobic modification device, and then dries to obtain the airgel material, and the evaporated solvent gas enters through the dehumidification pipeline In the shell and tube condenser, the gas and liquid are separated after condensation, the solvent is recycled, and the inert gas is returned to the equipment for recycling to complete a production cycle. The method of the invention only needs ten minutes for each solvent replacement, and only ten minutes for each hydrophobic modification, which greatly improves the production efficiency.

The invention provides olive salting liquid and a method for preventing production of olive precipitate. The olive salting liquid is prepared from the following raw materials in parts by weight: 100 parts of water, 12 to 16 parts of sodium chloride, 0.6 to 1.2 parts of sodium metabisulfite, and 0.2 to 0.6 part of citric acid. The method for preventing the production of the olive precipitate comprises the following steps of 1, beating and flattening the olives after the epicutile wax layer is removed; 2, boiling the beat and flattened olives in water for 5 to 10min at the temperature of 80 to 100 DEG C; 3, soaking the boiled olives into the olive salting liquid. The method for preventing the production of the olive precipitate has the advantages that by performing beating and flattening, boiling, and controlling of component of olive salting liquid, the production of the olive precipitate is effectively prevented; the method is simple, the condition is controllable, the operability is strong, the salting time and the preserved olive processing cycle are greatly shortened, and the production cost is reduced.

The invention provides olive salting liquid and a method for preventing production of olive precipitate. The olive salting liquid is prepared from the following raw materials in parts by weight: 100 parts of water, 15 to 20 parts of sodium chloride, 0.6 to 1.5 parts of sodium metabisulfite, and 0.2 to 0.6 part of citric acid. The method for preventing the production of the olive precipitate comprises the following steps of 1, puncturing the olive after the epicuticle wax layer is removed; 2, soaking the punctured olive into the olive salting liquid. The method for preventing the production of the olive precipitate has the advantages that by puncturing to change the permeation speed of the salting liquid and control the component of the olive salting liquid, the production of the olive precipitate is effectively prevented; the method is simple, the condition is controllable, the operability is strong, the salting time and the preserved olive processing cycle are greatly shortened, and the production cost is reduced.

The invention provides an eastern Junggar coal concurrent boiler drainage system. Drainage pipelines are additionally arranged, when the content of iron ions of demineralized water in a first drainage pipeline is smaller than a preset first threshold value, the added drainage pipelines can be opened, demineralized water in a startup drainage tank can be discharged at the same time through the drainage pipelines, and therefore the washing time of an eastern Junggar coal concurrent boiler is shortened, the replacement speed of iron ions is increased, and the consumption of demineralized water raw water is reduced. In addition, the added drainage pipelines can be connected with a recovery device, and therefore demineralized water can be recycled, and energy conservation and consumption reduction are achieved.

The invention discloses a data scheduling method based on vehicle collaboration in an urban scene. The method implements data scheduling of vehicle collaboration through data information transmission between a vehicle and a roadside unit. The method comprises the following steps: a vehicle node periodically broadcasts a message; the roadside unit receives the broadcast message; request data is scheduled on the basis of speed prediction; data is transmitted between a request vehicle and a collaborative vehicle; and the scheduling data is cleaned. The method implements dissemination scheduling of the request data in a vehicle network in the urban scene, and reduces the network overhead.

The invention relates to a valve pouring molding cooling process, which mainly solves the problem of low processing efficiency of the valve pouring molding in the prior art. 1) After the molding sand is dried, it is divided into two parts, namely the first molding sand and the second Second molding sand; 2) Fill the first molding sand in the sand mold, and embed a cooling device in the sand mold; 3) Die-cast a metal plate through a stamping process to form a heat conducting plate that matches the structure of the part; 4) Put the heat conducting plate Cover the first molding sand of the sand mold; 5) Mix the rest of the second molding sand with the binder evenly, and evenly cover the mixed second molding sand and binder on the upper surface of the heat conducting plate and solidify to form a mold cavity 6) pour the liquid metal into the mold cavity, after the pouring is completed, turn on the water pump to pump the cooling water into the water guide pipe and the heat dissipation pipe to quickly discharge the heat on the heat conducting plate, so as to improve the solidification of the liquid metal in the mold cavity.