34results about How to "Electrolytic smooth" patented technology

The invention relates to an electrolytic machining method for multi-electrode screw feeding integral impeller flow passages, and belongs to the technical field of electrolytic machining. The method adopts a plurality of tool electrodes which are positioned on the same plane and arranged on an electrolytic machining clamp. In the machining process, a translation stage of a machine tool drives the plurality of the tool electrodes to simultaneously feed linearly along the axes direction of an impeller blank, and a turn table on the translation stage drives the plurality of the tool electrodes to rotate; meanwhile, the impeller blank rotates around the axes of the impeller blank, and the tool electrodes perform electrolytic machining along a motion trail determined by the resultant motion. The electrodes and the impeller blank keep a small clearance; electrolyte flows out at a high speed from gaps of the tool electrodes to continuously take away products of electrolysis; and a plurality of impeller flow passages are machined finally. The number and distribution positions of the tool electrodes can be adjusted to meet machining requirements of integral impellers in different types. Because the plurality of the electrodes are adopted to perform machining simultaneously, the machining efficiency for the integral impeller is greatly improved, and the rotation of the electrodes makes machining allowance more even at the same time.

The invention belongs to the technical field of chemical production and provides a method for efficiently producing electrolytic manganese metal in an environment-friendly manner. The method provided by the invention takes a vinyl polymer hooked with a thiourea side group as an electrolysis additive, and the electrolysis additive is added into electrolyte containing manganese sulphate and ammonium sulphate for the production of electrolytic manganese, wherein the content of the electrolysis additive in the electrolyte is controlled to be 10-120mg/L. The electrolysis additive is an environment-friendly and non-toxic polymer and can be used for replacing the existing widely applied poisonous or pollutional selenium dioxide and sulphur dioxide; the electrolysis additive is low in solubility and cannot be accumulated in the electrolyte, a production process operation is simple, manganese metal electrolysis efficiency is high, the product purity is high, an electrolysis process is stable, purity requirement to the electrolyte is lower, and electrolytic manganese metal production difficulty and cost are reduced, so that the method provided by the invention has higher popularization and application values.

The invention relates to a cryolite production process, which comprises: 1) preparing a slurry; 2) carrying out a reaction; and 3) filtering, carrying out water washing, separating to obtain a mother liquor, a cryolite crude product and a washing liquid, and respectively treating. According to the present invention, the process is simple, and the performances of the prepared cryolite are excellent; the produced cryolite has characteristics of stable electrolysis, slow shrinkage and mild molecular ratio change, and can stably maintain the electrolyte components; the sodium absorption on the cathode is uniform so as to prolong the service life of the electrolytic cell; the electrolysis temperature is reasonable and is changed little so as to be easily controlled; the volatilization loss is low, and the site operating conditions can be effectively improved; and with the production process, the consumption of sodium fluoride or soda ash can be substantially saved, the production cost can be reduced, the used adding method is simple, and the operation is easy to perform.

The invention discloses a high-efficiency and stable medical oxyhydrogen atomizer. The atomizer comprises a power supply system, the power supply system supplies power to an electrolytic tank system,the electrolytic tank system is correspondingly connected to an atomizing system, the atomizing system is correspondingly connected to a conveying system, and the conveying system, the atomizing system and the electrolytic tank system are uniformly correspondingly electrically connected to an intelligent control system; the conveying system correspondingly communicates with patients; and the conveying system is correspondingly provided with a back-flow prevention device and a breathing pressure sensor. The high-efficiency and stable medical oxyhydrogen atomizer of the present invention is applied to the treatment of respiratory diseases, especially to the treatment of lung diseases, and the atomized hydrogen and drugs act on the human body directly through the inhalation of the airway.

The invention discloses a high-salt and high-COD wastewater electrolysis electrode and an electrolytic oxidation treatment method. The electrolysis electrode comprises a titanium plate matrix and a plating located on the surface of the titanium plate matrix; and the plating is an alloy of metal ruthenium, metal iridium and rare earth. Electrolysis electrodes are uniformly arranged at a certain interval in wastewater, one of two adjacent electrolysis electrodes serves as an anode, the other electrolysis electrode serves as a cathode, the anode is connected with the anode of an electrolysis power supply, and the cathode is connected with the cathode of the electrolysis power supply which is a direct-current pulse power supply. The electrolysis electrode disclosed by the invention is high inoxidation resistance, firm in combination of the plating and the titanium plate, incapable of generating spots or falling off within 5 years if being normally used, high in electrolysis oxidation efficiency 1.5 times as high as that of a common electrode during wastewater treatment, low in power consumption, stable in electrolysis as well as voltage and current in an electrolysis process due to the adoption of the constant direct-current pulse power supply, capable of effectively removing COD, ammonium, nitrogen and chloride ions in wastewater and particularly suitable for electrolysis oxidation treatment of high-salt and high-COD wastewater.

The invention discloses a device for continuous electrolytic reduction of trivalent europium. The device comprises electrolytic cells, a catholyte overhead tank, an anolyte overhead tank, a catholyte collection tank, an anolyte collection tank and a rare earth liquid tank. According to the device, cathode chambers among the electrolytic cells communicate with one another in a series connection mode, and catholyte flows from the cathode chamber of the previous electrolytic cell to the cathode chamber of the next electrolytic cell and is reduced step by step; anode chambers of the electrolytic cells do not communicate with one another, anolyte in the anode chambers flows independently, and the flow is independently controlled. The electric current density of the electrolytic cells and the acid concentration of the catholyte and the anolyte in the electrolytic cells can be independently controlled, and therefore electrolysis of the electrolytic cells is stable, and the reduction effect is good.

The invention relates to a method for continuous electrolytic reduction of three-valence europium. The method includes the steps that anode liquor is added into all electrolytic cell anode chambers, and cathode liquor is added into a first electrolytic cell cathode chamber; then the cathode liquor sequentially flows from the first electrolytic cell cathode chamber to a next electrolytic cell cathode chamber until entering the Nth cathode chambers, wherein the flow ratio of the cathode liquor to the anode liquor is 0.1 -10:1, the standing time ranges from 0.5 hours to 2 hours, and the density of electric current in all electrolytic cells ranges from 100 A/m<2> to 1600 A/m<2>; anode liquor flowing out from all electrolytic cell anode chambers is collected and returns to all electrolytic cell anode chambers according to flow after ingredients are merged and mixed; and cathode liquor flowing out from the last electrolytic cell cathode chamber is material liquid obtained after reduction. By means of the method for continuous electrolytic reduction of three-valence europium, the electric current density of all electrolytic cells and the acid concentration of the cathode liquor and the anode liquor in single electrolytic cells can be conveniently and independently controlled, electrolysis of the electrolytic cells is stable, and the reduction effect is good.

The invention discloses a small-scale water electrolysis apparatus and a system thereof. The small-scale water electrolysis apparatus comprises an anode chamber, a cathode chamber, and an electrolyticmembrane, and further comprises a first electrolytic cell outer frame and a second electrolytic cell outer frame, wherein the electrolytic membrane and the first electrolytic cell outer frame forms the anode chamber, the electrolytic membrane and the second electrolytic cell outer frame forms the cathode chamber, the upper part of one side, opposite to the electrolytic membrane, of the anode chamber is provided with a first water inlet and a first water outlet, and the top of the cathode chamber is provided with an electrolyte inlet and an electrolyte outlet. The electrolyzed water with a specified pH can be continuously manufactured and the electrolyzed water with a relatively low concentration of un-decomposed brine is provided by combining the above-mentioned small-scale water electrolysis apparatus with a circulating water tank and an electrolyte circulating tank. The small-scale water electrolysis apparatus and the system thereof provided by the invention can meet various practical use requirements, the electrolytic cell structure is simple, the water production cost is low, the work applicability is strong, the scale is small, and thereby strong practicability and broad market application prospects are achieved.

The invention discloses a continuous flow micro-electrolytic tank system device, which comprises: a reaction module, a feeding module, a power supply module, a material receiving module and a heat exchange module; the reaction module forms a reaction flow channel with a feeding hole and a discharging hole, and the reaction module discharges to perform electrochemical reaction on a material in the reaction flow channel to generate a reaction product; the feeding module is used for driving a material to flow through the reaction flow channel; the power supply module is electrically connected with the reaction module; the material receiving module is used for receiving a reaction product flowing out of the reaction flow channel; and the heat exchange module is connected with the reaction module and is used for exchanging cold energy or heat energy generated by the reaction module with the outside. According to the technical scheme, the material in a material tank is continuously fed into the reaction module through the feeding module, and the product after the reaction of the reaction module is continuously conveyed into a product tank, so that the reaction electrolyte can be stably treated, and the end-to-end production of the material and the product can be realized by combining with other continuous flow reaction or separation and purification steps.

The invention discloses a method for inhibiting voltage swing of an aluminum reduction cell and a baffle wall-carrying cathode of the aluminum reduction cell. The method comprises the following steps of: arranging a baffle wall inside a cathode groove of the aluminum reduction cell, and connecting one end of the baffle wall with a carbon block at the lateral part of a flue with the other end being 1-1.5m far away from the lateral part of an aluminum tapping end. By the arrangement of the baffle wall in the groove of the aluminum reduction cell, recirculating flow of molten aluminum is blocked and interface fluctuation of the molten aluminum is inhibited, thus effectively inhibiting the voltage swing of the aluminum reduction cell, stabilizing the electrolytic process and achieving the purpose of reducing polar distance, voltage and energy consumption. In addition, the method and the apparatus provided by the invention are easy to operate and realize, and can be widely applied in present common aluminum reduction cells.

The invention discloses an aluminum electrolysis cell with end face electricity outgoing, is used for solving the problems that because a conventional aluminum electrolysis cell generates electricity from side faces, a large number of cell circumference busbars are required to be constructed, the investment cost is greatly increased, the cell separation distance is relatively large and the land occupation area is increased, and at the same time, the side face electricity outgoing makes the horizontal current quite large and is not conducive to electrolysis cell stability; the aluminum electrolysis cell includes a cathode carbon block and a cathode bar, the cathode carbon block is provided with a bar groove, the bar groove is internally provided with the cathode bar along the length direction, the bar groove passes through a cell shell at an electricity outgoing side of the electrolysis cell. The aluminum electrolysis cell is used for industrial production of metal aluminum.

The invention discloses a cryolite production process without discharge of waste water, which includes the steps of: 1) preparing slurry; 2) performing reactions; 3) performing centrifugal separation;4) eluting and drying a cryolite crude product separated in the step 3) to prepare a cryolite product; 5) precipitating the cryolite product; 6) alkalizing the cryolite product; and 7) waste treatment: cooling discharged water from an alkalization tank in the step 6) to normal temperature, adding the water into an ammonia separation kettle, adding hydrochloric acid to control content of free ammonia in clear liquid to be less than 1.3%, pH being 6.5-7.1, so that the hydrochloric acid is reacted with the free ammonia (NH3) to generate ammonium chc loride and is reacted with free sodium ions togenerate NaCl, adding ammonium sulfate or ammonium nitrate, as an anionic exciting agent, according to 8-11 wt% of total salt weight, and uniformly adding solid NaCl on the basis of 100% of the content of ammonium chloride to crystallize and separate-out the ammonium chloride under effect of the anionic exciting agent, while the NaCl is rapidly dissolved in water to obtain brine until the ammonium chloride is completely separated out and the brine is saturated, finally performing solid-liquid separation with a centrifuge to obtain the ammonium chloride, the brine returning to the step 2).