105results about How to "Not discharged" patented technology

The present invention belongs to the field of heavy oil and residual oil hydrotransforming technology. The heavy oil and residual oil hydrotransforming catalyst has siliceous alumina carrier, relatively strong acidity and especially protonic acid amount higher than that in available residual oil hydrotransforming catalyst. The siliceous alumina carrier is prepared through one colloid forming process, during and after which silicon is added to make alumina possess more strong acid centers and ideal pore structure. The catalyst of the present invention is used in the hydrotransforming treatment of heavy oil, residual oil and other inferior oil material.

The invention discloses a preparation method of organopolysiloxane resin. The preparation method includes the steps of (1), taking alkoxyorganosilane, an end-capping reagent and an acidic compound as preparation raw materials; (2), feeding the preparation raw materials with uniform stirring, wherein the feeding molar ratio of the end-capping reagent to the alkoxyorganosilane to the acidic compound is (0-40):1:(0.2-5); (3), adjusting the temperature at 40-150 DEG C at which condensation polymerization reaction is conducted for 2-20 hours; (4), terminating the condensation polymerization reaction, adjusting a reaction mixture to be neutral, and purifying a reaction product so as to obtain the organopolysiloxane resin. The preparation method of the organopolysiloxane resin has the advantages of environmental protection and no pollution during production, low energy consumption, short period, high product yield and the like and is more excellent in performance.

The invention relates to a comprehensive utilization method of bauxite and particularly relates to a comprehensive utilization method of red mud. The method includes: a step of mixing the red mud with hydrochloric acid, adding the mixture into a hydrochloric acid-resistant reactor, and reacting; a step of cooling after the reaction is finished, performing solid liquid separation and washing; a step of adding the obtained solution into a sodium hydroxide solution to obtain an aluminium hydroxide precipitate, an iron hydroxide precipitate and a sodium chloride solution, performing solid liquid separation, and washing; a step of preparing the aluminium hydroxide and iron hydroxide solid into metallurgy-level aluminum oxide and high-iron slag through a simple Bayer process; a step of subjecting the sodium chloride solution to electrolysis by an ionic exchange membrane electrolytic cell to obtain hydrogen, chlorine and a sodium hydroxide solution; a step of returning the sodium hydroxide solution discharged from an ionic membrane cathode zone and recycling; and a step of returning and recycling the obtained hydrogen and the obtained chlorine. The method is obvious in environment protection effects, effectively separates aluminum, iron and silicon in the red mud, and recovers the aluminum, the iron, sodium and other useful elements, thus achieving comprehensive utilization.

The invention relates to a lithium-rich manganese-based material and a preparation method thereof. The preparation method is a sol-spray pyrolysis method and comprises the steps of precursor sol preparation, spray drying, high-temperature calcining and the like. The preparation method disclosed by the invention has the advantages of simple process flow, less equipment input, high continuous degree and no exhaust of tail gas or discharge of waste liquid. The lithium-rich manganese-based anode material disclosed by the invention has excellent electrochemical performance, discharge capacity as high as 225-250A.h.g<-1> and favorable excellent performance; and under the multiplying power of 0.5C, the discharge capacity of the lithium-rich manganese-based material can be maintained over 150mA.h.g<-1>.

The invention belongs to the technical field of wastewater treatment, and particularly relates to a device for removing toxicity in traditional Chinese medicine wastewater by plasma discharge. The device is mainly composed of a plasma reactor, a pulse power supply, a sewage receiving tank, am air pump and a water pump. Traditional Chinese medicine wastewater is pumped from a sewage tank to the top of the reactor by the water pump; the middle part is provided with a discharge electrode, and the bottom is provided with the sewage receiving tank. The discharge electrode is connected with the external pulse power supply, and is the core of the whole device. The outer wall of the reactor is connected to the ground, thereby ensuring the electric safety of the whole device. Meanwhile, the air pump connects the upper part of the reactor with the top of the sewage receiving tank, and the gas generated by discharge is recycled and connected to an aeration tank by the air pump and introduced into the sewage receiving tank, thereby further enhancing the treatment efficiency. The device can effectively remove toxic groups in the traditional Chinese medicine sewage, is beneficial to subsequent biochemical degradation of the traditional Chinese medicine sewage to finally achieve the discharge standard, and has the advantages of simple treatment method, low cost and high efficiency.

The invention discloses a technology for producing sodium bicarbonate and ammonium chloride by using triamine tail gas. The technology takes ammonia and carbon dioxide-containing melamine tail gas aswell as bittern or brine as raw materials, and adopts the technical processes of bittern or brine purification, tail gas deamination, triamine tail gas ammonia suction, ammoniacal brine carbonation, sodium bicarbonate separation, sodium bicarbonate pulp-mixing, wet decomposition, clarification and refined filtration, alkali liquor re-carbonation, sodium bicarbonate centrifugal drying, sodium bicarbonate filtrate deamination, multiple-effect evaporation and concentration salt manufacturing, multiple-effect flash vaporization ammonium manufacturing and separating and drying and the like to enable the tail gas generated through melamine production by urea is effectively used. The technology provided by the invention overcomes the defects that the spent liquor discharge amount of an ammonia-soda process is large and the mother solution of a combined alkaline manufacturing method is difficult to balance, the floor space of a device is small, and only low grade steam is used.

The invention discloses pure biomass barbecue charcoal and a manufacturing method thereof. The pure biomass barbecue charcoal consists of the following components in parts by weight: 0-80 parts of bamboo chip charcoal powder, 0-70 parts of wood chip charcoal powder, 20-80 parts of cotton stalk charcoal powder, 20-25 parts of adhesive and 1-2 parts of boron mud, wherein the adhesive is prepared by uniformly mixing carboxymethyl cellulose, alpha starch and water according to a weight ratio of 0.5:1:5. The manufacturing method comprises the following steps of: preparing the wood chip charcoal powder, bamboo chip charcoal powder, cotton stalk charcoal powder and an adhesive; mixing the bamboo chip charcoal powder, wood chip charcoal powder and cotton stalk charcoal powder, and adding the boron mud for uniformly mixing and stirring; and finally, adding the adhesive, fully and uniformly stirring, pressing the mixture in a molding abrasive tool, demolding to obtain the molded carbon block, drying to the moisture content of 2-5 percent, and obtaining the pure biomass barbecue charcoal which is non-toxic, safe, environment-friendly, easily ignitable and high in heat value. The pure biomass barbecue charcoal has the characteristics of simple manufacturing method, wide raw material source and low production cost.

The invention discloses a carbon-based wave absorbing material prepared from aluminosilicate polymer and a preparation method of the carbon-based wave absorbing material. The carbon-based wave absorbing material is formed by using metakaolin, a carbon material and an alkali activating solution to synthesize the aluminosilicate polymer and curing, wherein a mole ratio of metakaolin and the carbon material is 1:(3-24), and a mole ratio of silicon and aluminum in the aluminosilicate polymer is (1-2):1. The preparation method includes: activating kaolin; preparing mixed powder; preparing the alkali activating solution; preparing the aluminosilicate polymer; curing for forming. The preparation method is simple in process, capable of realizing direct forming of complex or large parts at low temperature and wide in application range. The carbon-based wave absorbing material is low in cost and high in unit thickness absorptivity and meets requirements on thinness, lightness, width and strength.

The invention discloses a preparation method for a hydrotreatment catalyst. The method comprises the following steps: in the process of gel formation by concurrent flow of an alkaline solution containing aluminum and an acidic solution containing aluminum, adding an additive and an organic template agent in the manner of concurrent flow at the same time, controlling proper reaction conditions and carrying out gel formation, wherein the organic template agent is cellulose ethers; then adding an alkaline solution to adjust a pH value; then carrying out filtering, washing and drying so as to obtain the alumina dry gel; carrying out molding, drying and calcining so as to obtain an alumina carrier; and loading active metal components. The catalyst prepared by using the method has the advantages of a large specific surface area, a great pore volume and a reasonable pore structure and is particularly applicable as a catalyst for hydrodesulfurization or hydro-conversion of residual oil.

The invention relates to a method and equipment for treating waste gas of a hot press. The method comprises the following steps of: S1, injecting water into a dust absorption pipeline to ensure that gas and water are fully contacted and mixed; and S2, allowing water spray carrying waste gas to enter a water dust scrubber, collecting sewage carrying impurities, and discharging purified gas. A water injection device is arranged in the dust absorption pipeline; the dust is not stuck onto the dust absorption pipeline easily so the pipeline is prevented from being blocked and fire is avoided; the waste gas treatment efficiency is high; and the dust, and a large amount of high-temperature volatile matter of formaldehyde and transmission lubricant are collected, the collected waste gas and waterare treated further ad separated reasonably, water is recycled, and no sewage is discharged, so secondary pollution is avoided. Meanwhile, the invention also provides equipment for treating the wastegas of the hot press.

Disclosed are a multi-pass biomass pellet combustion technology and a multi-pass biomass pellet combustion device. Three fire stopping walls are arranged above an inner container of a biomass combustor, biomass pellet combustion flames form four passes under action of the three fire stopping walls, combustion stroke is increased, combustion time is lengthened, and sufficient combustion of biomass pellets is guaranteed. A feeding port, a primary-air inlet, a fire outlet and an igniter of the device are fixed on the cylinder wall of the inner container of the biomass combustor, and a fire grate and the three fire stopping walls are fixed in a hollow cavity of the inner container of the biomass combustor. Biomass pellets enter the fire grate in the biomass combustor through the feeding port and start to be combusted under action of primary air, the stroke is increased remarkably when the combustion flames are blocked off by the three fire stopping walls, the biomass pellets are combusted quite sufficiently, and the combustion flames reach the fire outlet finally and are further combusted under action of secondary air, so that sufficient combustion of the biomass pellets is achieved without emission of carbon monoxide and other harmful substances, and the purposes of renewable energy development and environmental protection are achieved.

The present invention discloses a novel production method of thiofide CZ. The method comprises the following steps: the mixed solution of water and cyclohexane with a volume ratio of 1 to (0.5 to 2.0) is added into an oxidization reactor; under the conditions with the temperature between 20 DEG C and 200 DEG C and the rotating speed of 100 to 4000 rounds per minute, 10 to 30 ml of an accelerant M material slurry with a weight content between 50 percent and 99 percent is added at a flow rate between 5 ml/m and 500 ml/m; hydrogen peroxide solution with a weight content between 1 percent and 35 percent is dropped at a flow rate between 10 ml/m and 150 ml/m; after 1 to 90 minute(s), the accelerant M material slurry with a weight content between 50 percent and 99 percent is dropped into the solution at a flow rate between 10 ml/m and 200 ml/m; after 5 to 300 minutes, a sample is taken, starch KI test paper is used for testing the reaction end point; when the color of the starch KI test paper is changed, the hydrogen peroxide solution and the accelerant M are stopped to be added; the thiofide CZ can be produced after pumping, washing, filtering and drying, and the yield rate of the thiofide CZ reaches above 99 percent. The present invention has the advantages that the process is simple, the industrialization of the process can be easily realized, a small amount of cyclohexane is used, no wastewater with salt is discharged, and the yield rate of the thiofide CZ reaches above 99 percent.

The invention discloses a preparation method for a hydrotreatment catalyst. The method comprises the following steps: in the process of gel formation by cocurrent flow of an alkaline solution containing aluminum and an acidic solution containing aluminum, adding an additive and an organic template agent in the manner of cocurrent flow at the same time, controlling proper reaction conditions and carrying out gel formation; then adding an alkaline solution to adjust a pH value; then carrying out filtering, washing and drying so as to obtain alumina dry gel; carrying out molding, drying and calcining so as to obtain an alumina carrier; and loading active metal components. The catalyst prepared by using the method has the advantages of a large specific surface area, a great pore volume and a reasonable pore structure and is particularly applicable as a catalyst for hydrodesulfurization or hydro-conversion of residual oil.

A main spray device of a wet process is combined with a main part of spray drying equipment for dry desulfurization, and the dry process and the wet process are used in tandem, thus avoiding a cooling system and a heating system of flue gas, and a complex sewage treatment system. The flue gas first passes through a dry-process spray device for desulfurization and then passes through a wet-process spray device for secondary desulfurization, thus achieving the purpose that the desulfurization effect is better than that of the dry process and the wet process. Alkali liquor is only recycled in operation; finally, the liquid is dried by the heat of high-temperature flue gas to become solid powder which is collected then, thus the purpose of no effluent discharge is achieved and the consumed alkali liquor is automatically refilled.

The invention provides a clothes dryer and a clothes drying method thereof, belongs to the technical field of clothes drying, and solves the problems of the existing electrothermal clothes dryer, including high energy consumption, no environmental protection and the like. The clothes dryer comprises a case and a heat pump unit; a drying cavity is arranged in the case; a drum is arranged in the drying cavity, and a first air channel and a second air channel are also arranged in the case; the heat pump unit comprises a compressor, a condenser set and an evaporator; the condenser set comprises afirst condenser and a second condenser; the first condenser is arranged in parallel with the second condenser; a valve is arranged between the second condenser and the compressor, and an evaporator and the first condenser are arranged in the first air duct and sequentially arranged along the air flow direction of the first air channel; the second condenser is arranged in the second air channel, and the cold released by the evaporator in unit time is less than the total heat released by the first condenser and the second condenser. The clothes dryer and the clothes drying method thereof have the advantages of full-closed internal circulation type drying, high heating efficiency, high clothes drying efficiency, good energy efficiency and good environmental friendliness.

The invention discloses a preparation method for a polylactic acid porous shape memory film. The polylactic acid porous shape memory film in the invention is formed under the synergic effect of crystallization and phase separation. The method specifically comprises the following steps: dissolving polylactic acid and polyethylene oxide at a certain weight ratio in a co-solvent, and stirring under room temperature, thereby forming a homogeneous polymer solution; scraping the polymer solution into a film by using film scrapers of different thickness; etching a polyethylene oxide phase in the film; after etching, placing the film into a vacuum oven and drying, thereby acquiring the biodegradable polylactic acid porous shape memory film. The polylactic acid porous shape memory film has a micron-scale penetrated porous structure and a shape memory property. The sizes of formed holes are correspondingly changed according to different film thickness, and meanwhile, the polylactic acid porous shape memory film macroscopically and microscopically has better shape memory effect and is expected to be applied to the fields of separation filtering, medical materials, and the like.

The invention provides water-based ink for the intaglio printing process of aluminum foil. The ink is prepared from, by mass, 20-30% of water-based organic pigment, 20-25% of water-based acrylic resin, 20-25% of water-based acrylic emulsion, 0.5-1.5% of flatting agent, 0.1-0.3% of defoaming agent, 10-15% of ethyl alcohol and 10-20% of water. A preparation method includes the steps of evenly dispersing water, acrylic resin, acrylic emulsion, water-based pigment and ethyl alcohol, heating the materials till the temperature is 30-55 DEG C, evenly stirring and grinding the materials, adding flatting agent and defoaming agent, controlling the viscosity of ink for 10-20 seconds, and obtaining the water-based ink. The water-based ink is excellent in performance, safe and environmentally friendly, harms to a user can be reduced, the preparation method of the water-based ink is simple, the viscosity of the ink is easy to control, and the ink has wide application prospects.

The invention provides a method for recovering waste water from sodium dichloroisocyanurate production, which comprises the following steps: waste water from sodium dichloroisocyanurate production is added with hydrochloric acid for acidifying, then chlorine in the waste water is blown out, active carbon fiber adsorbs cyanuric acid, alkali regenerates active carbon fiber and recovers sodium cyanurate, sodium cyanurate is sent to the sodium dichloroisocyanurate production process, brine is sent to chlor-alkali production process. waste water is subjected to the adsorption treatment, and can be salt-dissolving water in the chlor-alkali production operation for repetitive usage. The active carbon fiber is capable of being regenerated multiple times, the repetitive usage is realized, the cost is low, the method process is simple and the industrial method is easy to realize.

The invention discloses an intelligent monitoring camera device with a defrosting function, comprising a fixed plate and a controller, a connecting seat is fixedly installed on the left side of the fixed plate, and a support plate is arranged on the side of the connecting seat away from the fixed plate , the support plate is hinged with the connecting seat through the rotating shaft provided at its right end, the bottom of the support plate is fixedly equipped with a turntable, the underside of the support plate is provided with an infrared camera, and the infrared camera is connected through a connecting rod provided at the top Hinged with the turntable, both sides of the infrared camera are provided with baffles. The invention detects the external weather conditions through the temperature sensor and the humidity sensor, and then controls the heat generated inside the adjustment box through the controller to remove the ice and snow falling on the infrared camera, so as to prevent the accumulation of rainwater on the camera and cause frost to form after melting, thereby weakening the external environment The impact on the camera is beneficial to prolong the service life of the camera.