35results about How to "The process device is simple" patented technology

The invention provides an acetone-butanol in-situ extraction continuous fermentation device and technology. The device comprises an No.1 seeding tank and an No.2 seeding tank which are alternately inoculated. Acetone-butanol fermentation is divided into two stages to continuously operate, wherein the first stage is conventional acid production period fermentation, and the second stage is in-situ extraction product synthesis period fermentation; the second period adopts a method of coupling extraction and fermentation and is matched with low-speed stirring to furthest lower product inhibiting effect and greatly improve butanol fermentation efficiency; and finally, static phase processing realizes the initial separation of mash and fermentation products. The invention has the advantages that the device and the technology have good extraction effect in production, can obviously improve butanol ratio in the fermentation product, can greatly lower production cost, and have obvious economic benefit. The technology is scientific and reasonable. The flow device is simple and easy to realize, can realize the new fermentation technology provided by the invention by slightly reforming the traditional butanol fermentation flow, and has wide application prospect.

The invention discloses a method for removing phosphorus in phosphorous wastewater through broken slag of building waste such as waste fly ash aerated concrete blocks. After treatment, the removing rate of the phosphorus can reach over 99 percent. The fly ash aerated concrete blocks are crushed to form the broken slag having the particle diameter of between 0.01 and 1.0 mm; and the broken slag is filled in equipment with a similar sand filter structure to form a phosphorus filter. As fly ash aerated concrete has the property of high-efficiency adsorption to the phosphorous, the phosphorous in the wastewater is continuously adsorbed and removed when the phosphorous wastewater passes through the phosphorus filter; the content of the phosphorus in the adsorbed saturated broken slag reaches as high as 34.85 percent (be equivalent to 79 percent of P2O5); and the broken slag can be used as a slow-release phosphate fertilizer for application or a high-quality raw material for preparing phosphoric acid and phosphate. The method has a simple process and easy implementation, can remove pollution of the phosphorus of the wastewater to environment, can perform resource utilization of the phosphorus in the waste fly ash aerated concrete blocks and the wastewater, uses waste to treat waste, and is environment-friendly.

The invention provides a film lithium niobate optical waveguide chip polishing device and a polishing method thereof. A magnetic stirring table is used for driving a magnetic rotor to rotate in a polishing solution, then the polishing solution is stirred to generate flowing contact with the surface of a chip, polishing particles in the polishing solution generate half contact or sliding contact with the surface of the chip subjected to dry etching, slight particle bombardment is associated, meanwhile, alkali ions in a polishing solvent and the etched surface generate a chemical etching reaction, chemical etching and particle bombardment in the direction parallel to the etched surface are achieved through instant stirring of the polishing solution, then etching products deposited on the dryetched surface and spikes and protrusions generated by dry etching are removed, and the effect that the etched surface and the waveguide side wall are smooth is achieved. Compared with traditional contact type mechanical grinding and polishing and chemical-mechanical grinding methods, the device and the method have the advantages that the structure is simple, operation is simple and convenient, cost is low, and surface damage is small.

The invention discloses a novel magnetic nano magnetic seed and the method and application thereof in treating industrial biochemical tail water, and belongs to the field of industrial wastewater advanced treatment. The invention utilizes a hydrothermal method to prepare Fe3O4 nano particles with superparamagnetism; and the Fe3O4 nano particles are covered by SiO2 and grafted with -NH2 groups to prepare Fe3O4@SiO2-NH2 as a magnetic seed. The magnetic seed, a coagulant and a coagulant aid are added to the secondary industrial wastewater, stirred and mixed; the coagulated wastewater is placed in a magnetic field; and under the action of magnetic field force, the flocculation with magnetic seeds is quickly separated from the wastewater being treated. The method has the advantages of convenient operation and simple device, can effectively reduce the organic substances in secondary industrial wastewater; compared to a traditional chemical coagulation method, the method has greatly reduced settlement time; compared with the existing coagulation and magnetic separation method, the method has higher removal efficiency, and greatly reduced amount of sediment; therefore, the invention has relatively broad application prospects in depth processing of industrial wastewater.

The invention provides a continuous synthesis process of epoxy chloropropane by hydrogen peroxide method. The continuous synthesis process comprises the following steps of adding hydrogen peroxide, methanol, chloropropene and a catalyst into a reactor for epoxidation reaction, wherein the reactor is a ring reactor, and the catalyst is pre-loaded into the ring reactor; enabling the chloropropene and the methanol to form a chloropropene and methanol mixed solution in a mixing tank, pumping chloropropene and methanol mixed solution into the ring reactor by a metering pump A, and pumping hydrogenperoxide into the ring reactor by a metering pump B. The synthesis process provided by the invention has the advantages of low methanol consumption, long service life of the catalyst, simple process device, realization of continuous operation, and realization of stable hydrogen peroxide conversion rate and high epichlorohydrin selectivity in a long-term continuous operation process.

The invention relates to an electro-plating wastewater treatment method, and in particular relates to a device for recycling electro-plating spraying cleaning liquid. The device comprises a plurality of circulating cleaning systems arranged along a production line, wherein the circulating cleaning systems are sequentially cascaded in series along the production line; each circulating cleaning system comprises a spraying cleaning tank, a spray nozzle and a pump; the spray nozzle is fixed on the spraying cleaning tank, and is connected with the pump by virtue of a pipeline; each stage of circulating cleaning systems is connected with a corresponding cleaning and rinsing liquid recycling system; the pump is connected with the cleaning and rinsing liquid recycling system. The electro-plating spraying cleaning liquid can be recycled by adopting the structure. The process is simple in device, has power equipment only including a circulating pump, is low in energy consumption, easy in equipment maintenance and management, low in running cost and less in one-time investment, can be used for recycling a plating solution brought out from a plating slot and saving a great number of rinsing water, and can be applied to enterprises having continuous electro-plating production lines.

The invention relates to a method for preparing porous chromium carbide by using a reaction sintering process. The method comprises the following steps: adding chromic oxide powder into alumina balls; grinding for 10 hours through a ball mill till the powder is uniform; adding a binder PEG-400 (Polyethylene Glycol) and uniformly mixing; pressing the uniformly mixed powder in a die to form a blank by an isostatic cool pressing method; placing the blank in a vacuum tubular furnace; sintering for 1 hour at 150 DEG C and then heating to 1000 DEG C and sintering for 2 hours; introducing a mixed gas; and sintering for 10-20 hours at 1000-1300 DEG C to obtain a chromium carbide ceramic block material in a macroporous form. In order to prevent oxidization of porous chromium carbide at a high temperature, argon is intruded in the cooling process to chieve a protection function. According to the method provided by the invention, macroporous chromium carbide block materials in various shapes can be obtained. The method has strong operability and controllability to a microstructure of the porous material. Compared with conventional method, the method is simple, easy in forming and applicable to industrial preparation of porous ceramics.

A waste electric appliance circuit board energy regeneration innocent treatment system comprises a pretreatment device, an alkalization incinerator, a multi-metal and oxide recycling and smoke purifying device, a recycled heat energy generating set and an electrical automatic control device. The pretreatment device is connected with the alkalization incinerator, the alkalization incinerator is connected with the multi-metal and oxide recycling and smoke purifying device and the recycled heat energy generating set, and the electrical automatic control device is connected with the pretreatment device, the alkalization incinerator, the multi-metal and oxide recycling and smoke purifying device and the recycled heat energy generating set. The technological devices are relatively simple, accurate in treatment, low in investment, low in operation power consumption and low in operation cost due to water utilization treatment; by means of the devices, resources can be fully utilized, and secondary pollution is avoided.

The invention belongs to the field of treatment of coal chemical wastewater and waste gas, and particularly relates to a conversion unit high ammonia nitrogen acid condensate pretreatment system and aconversion unit high ammonia nitrogen acid condensate pretreatment method. According to the present invention, a coal gasification conversion unit circulating water heat exchanger is replaced with adeineralized water heat exchanger, the deineralized water is used as a heat medium to recover heat and reduce the circulating water field load, the temperature of a steam stripping liquid at a separation tower inlet is raised to 100-138 DEG C, and acid condensate (containing high ammonia nitrogen) sewage wastewater is pretreated in the separation tower by using a steam-like steam stripping method,such that the dissolved gases (high ammonia nitrogen materials and the like) in the liquid phase are gasified and separated as much as possible; and the results show that the total amounts of the high ammonia nitrogen materials, the organic matters and the sulfur-containing compounds in the gas phase is greatly increased, and the liquid phase finally enters the a biochemical unit at a low total amount of less than 50 kg/h, such that the treatment load of the biochemical unit is achieved so as to ensure the standard discharge after the biochemical treatment.

The invention belongs to the technical field of wastewater treatment, and particularly relates to an energy-saving environmentally-friendly treatment method for sewage in a power generation system. Aiming at the prior art that in the treatment process of landfill leachate, more incineration equipment is required, and combustion heat cannot be effectively utilized, the invention provides the following technical solution: [1] performing primary sedimentation to remove suspended matter; [2] allowing an influent water quantity and influent water quality to be uniform respectively by utilizing a quantity homogenizing tank and a quality homogenizing tank; [3] performing an anaerobic reaction in an anaerobic reaction tank, collecting biogas generated by the anaerobic reaction, introducing the biogas into an incinerator, and performing incineration to generate a high-temperature flue gas; [4] performing nitrification: performing denitrification treatment; [5] performing a membrane biological reaction: performing solid-liquid separation, and performing a biochemical reaction on the sewage; [6] performing nanofiltration: performing nanofiltration to further remove macromolecular organic matter and high-valent charged ions in water to obtain a treated clear liquid; and [7] performing incineration on sludge: collecting the sludge produced in each step, performing uniform preheating and drying, sending the dried sludge to an incinerator, and performing incineration. The method provided by the invention is applicable to treatment of the landfill leachate.

In the device, nanometre carbon tube is used as electrode material. The characteristics are: a couple of combination electrodes composed by nanometre tube which shared collecting electrode is in middle of its core parts of the device, there is a layer of insulate textile film is fixed between said combination electrodes, two weather board with notch are fixed at out side of said combination electrodes separately, sea water to be processed is send into water container through the notch on weather board from bottom water entrance and into upper weather board in way of circuitous liquid flow. There is an isoelectrode on and stick out the electrides, seal water-proof rubber grommers are fid on bottom and top of the water container, central core parts is fixed by steel plate frame arounding it and screwing up bolt and nut.

A fluid-flow capacitance-type seawater desalination apparatus and its manufacture are disclosed. The apparatus is taken carbon nanometer tube as electrode materials, it is characterized by assembled electrode is made up of a pair of carbon nanometer tube electrode pieces with shared electrode as core element, a layer insulating fabric separating membrane is set between a pair of assembled electrodes, water-guiding panel are set at the external side of a pair of assemble electrodes separately, notch is opened on water-guiding panel, the treated seawater can enter into water container from bottom water inlet by notch of water-guiding panel with snaking liquid-flow way to top of water-guiding panel and be communicated with notch to flow water out, isoelectrode is extended from top of electrode, sealed water-proof rubber carrier rings are arranged at the top and bottom of container separately, and core element in the middle is fixed by periphery steel panel stand and pressed bolt and nut. It has simple structure, less consumption, high desalination efficiency and long life.

The invention relates to a treatment device for completely recycling electroplating rinse water. The treatment device comprises a spraying concentrating system device, a counter-current washing concentrating system and a plating slot, wherein the spraying concentrating system device comprises a first water pump, a spraying slot, a spray nozzle and a spraying recycling slot; the spraying slot communicates with the plating slot through a first pipeline; a three-way valve is mounted on the first pipeline; the spray nozzle is arranged in the spraying slot; the spraying recycling slot is formed below the spraying slot, and communicates with the bottom of the spraying slot through a second pipeline; the spraying recycling slot is further connected to the three-way valve through a third pipeline;and the first water pump is arranged on the third pipeline.

The invention relates to a method for removing fluorine ions from F22 by-product hydrochloric acid. According to the method, hexamethyl disiloxane is added into the F22 by-product hydrochloric acid for reaction to produce trimethylfluorosilane, thus realizing removal of fluorine ions. The method converts the F22 by-product hydrochloric acid from waste acid into finished product acid, and belongs to the organic synthesis field. The process unit is simple, can achieve continuous operation under normal pressure, and the trimethylfluorosilane produced by cracking is condensed by an alkali metal salt to further produce hexamethyl disiloxane. The method realizes reutilization of the raw materials, is environmentally friendly, and is easy for industrial production.

The invention relates to a sputtering forming technology by a rotating-drum method and a device thereof, belonging to the fast solidifying and near net-shape forming field in metallurgy of iron and steel. The invention is characterized in that the bottom of a pouring box is provided with a molten metal drainage passage; a port of the molten metal drainage passage is provided with a high temperature roller; a gap is reserved between the high temperature roller and a soleplate of the molten metal drainage passage; the front end of the soleplate of the molten metal drainage passage is provided with a baffle; the lower surface of the soleplate of the molten metal drainage passage is provided with a heater; and a sediment baseplate is arranged at the lateral side of the pouring box in front of the high temperature roller. The invention can prepare deposited blanks including plate, tube blank, composite processing piece and the like; the surface of a deposited layer is uniform; the tissue of a prepared ingot blank is more uniform; the device can prepare metal material with very thin crystal grain; and the technology has simple equipment and is convenient for continuous production.

The invention relates to the technical field of produced liquid treatment in oil field central treatment stations, and relates to a rapid dehydration method for a low-temperature sealed interface of aproduced liquid in an oil field central treatment station and a device for implementing the method. The method is characterized in that after an oil phase, a gas phase and a water phase in the produced liquid are separated by adopting a three-phase separator, after water-containing crude oil is heated to a dehydration temperature by a steam phase change heating furnace, rapid dehydration is performed in a fast closed dehydrator, and therefore settling separation of the crude oil is realized; and the device is characterized by comprising the three-phase separator, the steam phase change heating furnace, the interface fast closed dehydrator and an oil-water sedimentation separator. According to the process provided by the invention, the device is simple and convenient, an oil-water interface film is rapidly broken by the interface fast closed dehydrator, oil beads are aggregated, water beads are coalesced, oil transaction indexes of rapid oil-water separation and a water content of lessthan 0.5% are achieved, so that the purposes of a reduced dehydration temperature, a reduced concentration of an added demulsifying agent, and shortened dehydration time are realized; and associatedgases are not discharged to the outside, so that the method and the device have significant environmentally-friendly, social and economic benefits.

The invention relates to an electrochemical preparation method of an LiFeAs superconductor, comprising the following steps of: firstly, preparing the positive pole for structuring a battery, i.e. mixing FeAs powder with acetylene black, a bonder and methyl pyrrolidone according to a proportion in a mortar, and grinding into colloids; spreading the colloid on a clean base plate; preparing a positive pole piece through drying, compacting and drying; then assembling the battery, wherein the battery must be assembled in a glove box filled with protective gases, that moisture of the glove box is ensured to be less than 1 ppm, two poles of the battery must comprise an Li pole and the prepared positive pole and are separated by an electrolyte membrane, and a proper amount of electrolyte is added to the battery; and finally charging the assembled battery to produce the LiFeAs superconductor on the positive pole. The invention has simpler process device, short preparation period and low production cost and is more suitable for preparing the LiFeAs superconductor in a laboratory.