97results about How to "Simplify investment" patented technology

The invention discloses a method for recycling a metal oxide from a waste flue gas denitration catalyst, comprising the following steps of: crushing the waste flue gas denitration catalyst to carry out pre-roasting pretreatment at high temperature; adding Na2CO3 into the waste flue gas denitration catalyst according to the proportion, mixing, pulverizing and roasting at high temperature to obtain a sintering block; crushing the sintering block and putting the crushed sintering block into hot water, and stirring and lixiviating to obtain titanate; adding sulphuric acid into the titanate, filtering, water-washing and roasting to obtain TiO2; adding the sulphuric acid into the lixiviated filtering liquid to regulate a pH value to 8.0-9.0; adding excessive NH4Cl for vanadium precipitation; decomposing NH4VO3 obtained from filtering at high temperature to prepare a V2O5 product; adding hydrochloric acid into the filtering liquid subjected to the vanadium precipitation to regulate a pH value to 4.5-5.0; adding CaCl2 for molybdenum and tungsten precipitation; treating the CaM0O4 and CaWO4, obtained from filtering, with the hydrochloric acid and roasting to obtain MoO3 and WO3. The method of the invention has the advantages of simple process and apparatus, high recycling efficiency, good product technical data, large treatment capacity and the like.

The invention relates to a process for indirectly producing alcohol with synthetic gas. The process comprises the steps that the synthetic gas formed by mixing industrial carbon monoxide with hydrogen is taken as a raw material to synthesize methanol; methanol is dehydrated to prepare dimethyl ether; dimethyl ether, carbon monoxide and hydrogen are mixed for carbonylation reaction to prepare methyl acetate; methyl acetate is purified and hydrogenated; a hydrogenated product is purified; and an alcohol product is obtained. An adopted catalyst, the process and a device have the characteristics of high conversion per pass and high effective utilization rate of reaction heat; the load of separating a crude product is reduced greatly; the production flow is shortened; and the production energy consumption is reduced greatly.

The invention pertaining to the field of metallurgy and steel-making technology provides a convertor steelmaking whole-course dynamic monitoring method. The whole-course dynamic control of the convertor steelmaking can be realized by adopting a laser gas analyzer and a stock bin port bombing technology, molten steel component and temperature are forecasted continuously and detected dynamically, and the convertor is assisted to perform the end point judgment. The method comprises steps of using a network of computer to monitor the information of charging, jetting and the like; using the laser gas analyzer as the gas signal acquiring and analyzing device in the convertor smelting process; using the bombing device installed at the stock bin port to performing head ejecting to detect information of molten steel component, temperature and the like; acquired parameters are all transferred through the network of computer; the computer continuously forecasts the parameters of molten steel component, temperature and the like by utilizing the above parameters and a built-in control model, and displays the parameters and provides guidance on the user interface.The invention has advantages that the whole-course feedback signals can be obtained, a whole-course dynamic control of the convertor smelting can be realized, variation of temperature and molten steel component can be forecasted continuously, the size of the convertor capability is not limited, and the convertor has characteristics of simple structure, convenient maintenance, small investment and low rate of fault.

The invention relates to a one-step copper smelting technology and a device thereof. The interior of a furnace body is divided into three zones, namely a smelting zone, a blowing zone and a refining zone, by a retaining wall; and two rows of spray guns which are arranged in a staggered manner and have an included angle with a vertical line are arranged at the bottoms of the zones; return dust is mixed and then added into mixed copper concentrate and a solvent through a charging opening of the smelting zone, oxygen-enriched air is sprayed through the spray guns to carry out self-heating smelting, to generate copper matte; the spray guns in the blowing zone spray oxygen-enriched air so as to blow copper matte into crude copper and slag; the spray guns in the refining zone supply oxygen-enriched air for oxidization, and supply natural gas as a reductant for reduction, and the generated anode copper with high purity is interruptedly discharged form a copper discharging opening, so that the low-altitude pollution problem caused by SO2 can be solved, the operation environment can be greatly improved, the utilization rate of sulfur and heat can be obviously increased, and further the economic benefits can be increased further; in addition, the invention provides a one-step copper smelting technology which is more advanced, shorter in flow, lower in investment, lower in comprehensive energy consumption, higher in recovery rate, and better in comprehensive utilization in comparison with the existing continuous copper smelting technology.

The invention relates to an airflow generating system and a method thereof. The system comprises an air source, a passage, at least an unpowered air draft device and at least a turbine generator set, wherein, the passage comprises an airflow inlet and an airflow outlet which are communicated with the air source; the unpowered air draft device is installed at the airflow outlet and is positioned in a natural wind field; the turbine generator set at least comprises rotating blades positioned in the passage; and driven by the airflow of the air source and/or the external wind power, the unpowered air draft device forms the negative pressure in the passage, and constantly sucks in air from the air source to form the airflow in the passage, and the airflow pushes the rotating blades to rotate so as to drive the turbine generator set to generate electricity. The system of the invention can constantly run, stably generate electivity, lower the dependence on weather and overcome the unicity and the limitation of clean energy of single type.

An apparatus for preparing gasoline, kerosene and diesel oil from waste plastics, rubber and machine oil is composed of cracking still, fixed bed, filler tower, fractional tower, gasoline fraction cooler, condensers, oil-water separators, filters, and refining towers. Its preparing process features that the quartz stone and sand are used in cracking, one-step method is used for fixed bed, and the chemicals for deodoring and changing color are used in fraction process.

A process for using mineralized garbage to treat the sewage generated by domestic animal and fowls includes such steps as filling the mineralized garbage which has been buried for 5-40 years on the reaction bed, pumping the high-concentration sewage while has been anaerobically treated and filtered onto the top of said reaction bed for spraying it, reaction, and draining the water in water pool. Its advantage is high effect on removing chromaticity, SS, CODcr, BOD5, NH3-N, P and colibacillus.

The system comprises frond end, transmission network and user end. The front end encrypts and packs the media content data requested by user; said media content data and the authorized authentication information are transmitted to the user end via transmission network; the user terminal receives the packed and encrypted media content data and the authorized authentication information and uses the authorized authentication information to decrypt and restore the original media content data; the restored media content data is played on the user end. The invention combines the SIM card with the smart card for conditionally receiving the media content data to realize the mobile communication while controlling the receiving of the TV program.

The invention discloses an efficient tubular plate vertical current wet-type electrostatic dust collector. The efficient tubular plate vertical current wet-type electrostatic dust collector comprises a shell (1), wherein an anode dust collecting mechanism (2) arranged vertically is arranged in the shell (1) and adopts a tubular plate structure formed by dust collecting boards; a vertically arranged cathode wire (31) with discharge points is arranged between the tubular plates of the anode dust collecting mechanism (2); the upper end of the cathode wire (31) is fixed on a cathode girder (32) above the cathode wire (31); the lower end of the cathode wire (31) is fixed on a tension frame (33) blow the cathode wire (31); the cathode girder (32) is connected with a high voltage power supply system (4) through conductive wires; a cathode system is formed by the cathode girder (32), the cathode wire (31) and the tension frame (33). As an electrostatic field formed by the tubular plate anode dust collecting mechanism and the cathode wires, effectively solves the problem of difficult removing of PM2.5 tiny particles, acid mist, liquid drops, aerosol, heavy metals and the like from the smoke, and the efficient tubular plate vertical current wet-type electrostatic dust collector is widely used.

The invention discloses an andrographis paniculata hand sanitizer and a preparation method thereof. The andrographis paniculata hand sanitizer has a formula comprising the following raw materials in parts by weight: 0.3 to 3 parts of andrographis paniculata extract, 20 to 50 parts of surface, 1 to 10 parts of propylene glycol, 8 to 15 parts of glycerinum, 1 to 5 parts of essence, 2 to 5 parts of sodium chloride, and 40 to 60 parts of water. According to the andrographis paniculata hand sanitizer, propylene glycol and glycerinum are used together in a certain proportion in the formula, so that the andrographis paniculata extract in the formula can be dissolved fully, and the stability of the hand sanitizer can be kept at a low temperature. The result of an in-vitro drug sensitive test shows that the andrographis paniculata hand sanitizer has a good antibacterial effect.

The present invention relates to a method for incinerating refuse by using coal burning circulating fluidized bed boiler to make mixed incineration of refuse. Said method includes the following steps: pulverizing combustible refuse, mixing it with coal powder or coal slurry or other combustible paste-like material, adding water and stirring them to obtain the paste-like material whose water content is 30-40%, utilizing plunger pump to convey the paste-like material into the coal-burning circulating fluidized bed boiler and feeding it into the boiler cavity from its top portion to make high-temp. combustion, and its boiler cavity temp. is 850-1100 deg.C.

The invention relates to a method for removing hydrogen chloride and residual chlorine from liquid chlorinated paraffin, which comprises the following steps: (1) turning on a vacuum device, vacuumizing a degassing kettle; (2) turning on a throwing disc of the degassing kettle; (3) injecting steam or heat transfer media into the jacket of the degassing kettle; (4) opening a liquid chlorinated paraffin feed valve on the degassing kettle, allowing the liquid chlorinated paraffin to flow into the rotating throwing disc; (5) heating the chlorinated paraffin liquid film during continuous falling through the degassing kettle jacket; (6) allowing the liquid chlorinated paraffin with hydrogen chloride and residual chlorine removed to flow out from the bottom of the degassing kettle, adding a stabilizing agent into the liquid chlorinated paraffin with hydrogen chloride and residual chlorine removed, stirring uniformly, and metering by a chlorinated paraffin metering pump. The method is simple in process, easy to control, continuous in production, large in productivity, simple in equipment investment, stable in quality of the prepared product, and easy for tail gas treatment, can continuously and automatically remove a large amount of hydrogen chloride and residual chlorine in liquid chlorinated paraffin, and guarantee the continuous production of liquid chlorinated paraffin.

The invention provides a clean production method for preparing iminodiacetonitrile by taking hydroxy acetonitrile and ammonia as raw materials in the presence of catalysis of inorganic ammonium salt and circularly applying a mother solution instead of a catalyst after the mother solution is condensed. The method has small quantity of three wastes of atoms and easy industrialization and is a novel process with less investment, quick response, low production cost, remarkable economic benefit and strong market competitiveness.

The invention relates to a preparation method of organic compounds, and especially relates to a 3-amino-4-methoxy acetanilide (II) preparation method which includes the following steps: 1, mixing 3-nitro-4-methoxy acetanilide (I), a solvent and a catalyst in a reaction kettle, adding an additive or not, heating to 40-80 DEG C, adding a reducing agent within 1-3 hours, and reacting completely; 2, hotly filtering, recycling the additive, and applying mechanically into next batch of reaction; and 3, distilling the filtrate for recovery of methanol, applying mechanically into next batch of reaction, and cooling and filtering residual liquid to obtain 3-amino-4-methoxy acetanilide (II) and a liquid waste. The beneficial effects of the method are mainly as follows: commercialized 40-80 wt % hydrazine hydrate is chosen as the reducing agent, use of high risk hydrogen and generation of a large amount of iron sludge can be avoided, the hydrazine hydrate is convenient to store, transport and accurate to measure; reaction equipment is simple, special equipment and A-class explosion-proof workshops are not needed, and equipment and plant investment is small.

The invention relates to a preparation method of 2,2'-bistrifluoromethyl-4,4'-diaminobiphenyl. The preparation method comprises the steps: dissolving 2,2'-bistrifluoromethyl-4,4'-dinitrobipheny in a polar protic solvent, then adding a catalyst, heating up to 40-60 DEG C, dropwise adding 80% hydrazine hydrate, next heating up to carry out a reflux reaction, after the raw materials are subjected to complete reaction, cooling down to room temperature, filtering, distilling a solvent out of the filtrate, and precipitating a 2,2'-bistrifluoromethyl-4,4'-diaminobiphenyl crystal. By-products of the method adopting hydrazine hydrate for reduction are nitrogen and water, and substances harmful to the environment do not produced; moreover, the method has the advantages of simple reaction device investment, easy control of the reaction, recycled solvent, high yield, repeatability and the like. In today, concerns on ecology and environment are grown, and the method can become a supplement of a catalytic hydrogenation method and replaces a partial sodium sulfide reduction method and a metal reduction method.

The invention belongs to the technical field of waste treatment and provides a chemical disinfection harmless treatment technology for medical waste. The chemical disinfection harmless treatment technology for the medical waste comprises smashing treatment and disinfection treatment of the medical waste and comprises the steps that the medical waste is collected and transported through transportation vehicles, the medical waste conveyed by a conveyer belt is shifted to a lifting frame of an overturning feeding device to be lifted and fed through a circulation box; the medical waste is fed into a mixing feeding hopper through the lifting frame, and meanwhile radioactivity detection is conducted on the medical waste; the medical waste is processed into medical waste residues through fine smashing, and PH value monitoring is conducted when second-grade fine smashing is conducted; and finally, the medical waste residues are transported through dedicated vehicles to a waste plant for incineration treatment. The chemical disinfection harmless treatment technology for the medical waste comprises smashing treatment and disinfection treatment of the medical waste has the advantages of being low in investment, low in operation expense, less in pollutant discharge, high in automatic control level and the like. The chemical disinfection harmless treatment technology for the medical waste is high in automation degree, greatly lowers the treatment cost of the medical waste, solves the medical waste treatment problem of Ningbo City and has good application and popularization value in the industry.

The invention relates to a device and method for manufacturing liquefied natural gas and hydrogen-rich products out of coke oven gas. The device comprises a mixed refrigerant compressor refrigerating system, a precooling system and a liquefying cold box system. The method comprises a mixed refrigerant cycle process and a purified coke oven gas liquification and separation process. A single mixed refrigeration and single tower rectification process is adopted, and a refrigerant compressor and a rectifying tower can be adopted only; compared with a coke oven gas separation liquification device comprising two refrigerant compressors and two rectifying towers, device investment and system energy consumption are reduced, and starting and shutdown operation is convenient; in overall economic benefit, the device is suitable for a liquefying device which enables the coke oven gas pressure to be high after purification and no lower than 2.3MPa and is not large in coke oven gas treatment scale and enables the scale to be no larger than 1 million standard cubes of purified coke oven gas per day, the device investment is less, unit energy consumption is lower, and the device is simpler to operate.

A Chinese-medicinal air refreshing agent for refreshing human brain and mind contains proportionally mint oil and various kinds of volatile oil extracted from aucklandia root, amomum fruit, cloves, dahurian angelica root and atractylodes rhizome.

The invention discloses a method for producing tertiary calcium phosphate, which is characterized by comprising the following steps: mixing powdered rock phosphate, milk of lime and mixed auxiliary agent, sintering the mixture for more than seven hours at a temperature of between 1100 and 1300 DEG C, wherein the mol rate of the powdered rock phosphate to the milk of lime is 2.0 to 3.0 according to the mol rate of CaO to P2O5, the weight of the mixed auxiliary agent is 5 to 15 percent of that of the powdered rock phosphate, and the mixed auxiliary agent is formed by mixing soluble hydrochloride and hypochlorite. In the method for producing tertiary calcium phosphate in the invention, the reaction to harmful element is realized by adopting relevant chemical reactions through the cheap and easily obtained mixed auxiliary agent to remove the harmful element so that the content of the harmful element therein is far below that of the like product, the content of fluorine is very low; when the mixed auxiliary agent is calcium chloride, sodium chloride and sodium hypochlorite, the produced tertiary calcium phosphate is particularly suitable for being used as feed additive; the raw material is cheap powdered rock phosphate, thereby the cost is greatly lowered. The method is simple and feasible and the investment is low.

An alcoholic fermentation process which uses sweet potato as raw material and comprises the steps in the same conversion tank of powder grout preparation, low-temperature boiling pasting or liquefaction, saccharifying, fermentation distilling to prepare white spirit or alcohol. The invention simplifies the alcoholic fermentation process and equipment, and fully utilizes the sweet potato resource.

The invention discloses a real time remote optical fiber meter reading system which is designed in modularization, flexibly matched and compatible with existing topologic structures, has the characteristics of high utilization rate of a communication channel, rational communication system investment, reduction of repeat constructions, relatively simple arrangement of wires, wide cover area and the like; the system has no subsequent operating cost, is low maintaining cost, and is capable of adapting to the existing remote meter reading wiring structure so far furthest, so as to fundamentally eliminate the problems of insufficient bandwidth caused by lower bandwidth, bad instantaneity and the like. The meter reading system disclosed by the invention comprises a power utilization information intelligent communication terminal module and a power utilization information intelligent photoelectric module, wherein the power utilization information intelligent communication terminal module at the near end sends a command through an optical fiber to control the power utilization information intelligent photoelectric module at the far end to collect data; the collected data are transmitted back to the power utilization information intelligent communication terminal module through the optical fiber, so as to be processed and finally uploaded to a client use end. The real time remote optical fiber meter reading system disclosed by the invention is applicable to the area of meter reading of power utilization information.

The invention discloses rotational flow dissolved air floatation sewage treatment equipment. A tank body is internally sleeved with an inner tank cylinder with the same central line; the bottom parts of the tank body and the inner tank cylinder are respectively connected with a mud discharge pipeline, wherein the adaptive part of the upper part in the tank body is provided with a residue collecting round top; the tank body side wall which is adaptive to the lowermost part of the residue collecting round top is provided with a residue discharge pipeline; the top of the tank body is provided with a tail gas pipeline; a water intake pipeline penetrates through the tank body and is connected with the adaptive part of the inner tank cylinder; a water drainage pipeline comprises a main water exhaust end opening and an end opening connected with an inlet of a dissolved air pump; the inlet of the dissolved air pump is also connected with a dissolved air source pipeline; an outlet of the air dissolved pump is connected with one end of a backflow pipeline; the other end of the backflow pipeline is connected with a releaser positioned at the adaptive part of the inner tank cylinder. The rotational flow dissolved air floatation sewage treatment equipment provided by the invention is applied to wastewater treatment for each industry, has the characteristics of high treatment efficiency, low running cost, simple structure, easiness in operation and maintenance and the like, is stable and favorable in effluent quality, is high in technology adaptability, and has good economical and social benefits.