31 results about "Cubic metre" patented technology

Method of estimating the volume (Vtk) of a tank (1), comprising:

• • a first step of determining the quantity (ntk(ti)) of gas contained in the tank (1) at a first time (t=t1); then
  • a step of transferring a checking stream of gas from a source (S1, S2, S3, . . . , Si) into the tank (1), the checking stream flowing over a discrete period (t2−t1);
  • a step of determining the quantity (Q=ntk(t2)−ntk(t1)) of gas transferred from the source (S1, S2, S3, . . . Si) into the tank (1) during flow of the checking stream of gas; and
  • a step of calculating the volume (Vtk) of the tank (1) by applying the law of conservation of enthalpy (H) of the gas, considering that the transfer of the checking stream of gas is adiabatic (Ttk(t1)=Ttk(t2) and Tsi(t1)=Tsi(t2)), expressing the enthalpy of the gas in the tank as a function only of the temperature Ttk(ti) of the gas and the pressure Ptk(ti) of the gas (Htk=function of (Ttk(ti); Ptk(ti)), using the perfect gas law or a Van der Waals equation of state expressing the volume of the tank Vtk(ti) (in cubic metres) only as a function of the known or previously estimated variables.

The invention discloses a heat-insulating wall. The heat-insulating wall comprises a base course wall body, a bonding layer, an insulating layer, a plastering layer and a decorating layer which are stacked together sequentially, wherein the insulating layer is formed by foaming cement insulating plates, and the thickness of the insulating layer is not less than 25 mm; and the base course wall body is a masonry wall body or a concrete wall body. The heat-insulating wall provided by the invention has the advantages as follows: good fire-resistant and heat-insulating performance: the foaming cement plates are made of A-grade incombustible inorganic heat-insulating materials, and the refractory limit is over 3 hours, so that the fire-resistant performance of a building can be improved when the foaming cement plates are used on the building, and as the percentage of close area of the foaming cement plates is greater than 95 percent, good heat-insulating performance is achieved, and the building energy conservation reaches more than 65 percent; light weight and strong vibration-resistant performance: the product is light in unit weight and vibration-resistant, and has the desiccated bulk density of 120-200 kg/cubic metre, and the heat conductivity coefficient of less than 0.045 W/(m.K); and good sound-insulating performance: as the foaming cement plates are formed by innumerous independent porous bubbles, the sound absorption effect is about 5 times higher of the common concrete, and the sound-insulating coefficient is greater than 45 dB.

The invention relates to a broadband electromagnetic wave absorbing material and particularly relates to a broadband electromagnetic wave absorbing material based on a polyaniline graphene three-dimensional porous structure. The wave absorbing material has a remarkable absorbing effect for incident electromagnetic waves in 4 to 18GHz frequency bands, the density is not larger than 25mg/cm3, and both the thickness and area are controllable. The density of the electromagnetic wave absorbing material is far smaller than that of wave absorbing materials such as carbonyl iron, carbon black and carbon fiber, the total mass per cubic metre is not larger than 25g, the reflectivity of the electromagnetic wave absorbing material for micro waves in a frequency range of 6 to 18GHz is lower than -10dB.

The present invention is a transportable portal for screening a target, which may be a person, standing or placed inside the portal. It employs two walls with air ducts in the walls, usually two ducts per wall running from the bottom to the top of each wall, and having a number of air intakes spaced along the height of the wall. A blower module blows air downward on the target to dislodge particles and vapor, which are drawn in the air ducts and analyzed by a detection module. Each detection module may have a pre-concentrator with a nano-platinum surface for collecting and pyrolyzing samples, and chemical, optical and radiation detectors for detecting illicit materials. The portal may be disassembled or reassembled by two people using hand tools in less than one hour and then placed in a space of less than one cubic metre for transport.

The invention particularly relates to an anionic ecological multicolour paint and a preparation method thereof. The anionic ecological multicolour paint is a composition prepared from the following raw materials in parts by weight: 40-60 parts of nano-acrylic emulsion, 5-15 parts of pearl powder, 5-15 parts of 3% hydroxyethylcellulose, 0.1-0.5 parts of anionic additive, 0.1-1 part of dispersing agent, 0.1-0.5 parts of defoaming agent, 0.1-0.5 parts of surfactant, 0.1-0.5 parts of bactericide, 0.1-0.5 parts of functional additive, 0.1-0.5 parts of mildewcide, 1-5 parts of antifreezing agent, 1-5 parts of film-forming additive, 0.1-0.5 parts of thickening agent, and 20-30 parts of deionized water. The anionic ecological multicolour paint disclosed by the invention has the functions of reducing the contents of VOC (volatile organic compounds) and heavy metals, statically and continuously releasing 3200 anions per cubic metre, removing harmful gases such as formaldehyde, ammonia and benzene, resisting and inhibiting bacteria, and the like; and the anionic ecological multicolour paint is colourful, environmentally-friendly, and low in pollution index.

The invention discloses a method of fast oxygen enrichment in a black-odor riverway by means of chlorella. The method comprises the following steps that chlorella culture and expanding propagation areconducted, wherein in a transparent container, the chlorella is inoculated according to the volume ratio of the chlorella to a SE culture medium of 1 to (50 to 60), the transparent container is placed in the sun for culturing for 48 hours, and stirring is conducted every 13 hours; the chlorella after propagation is put into the riverway which needs to be treated, wherein the input ratio is that 5-10 ml of propagation liquid is added into per cubic metre of a water body. The method has the advantages that by using the characteristics of the chlorella of fast reproduction and strong photosynthesis, the dissolved oxygen content in the black-odor water body can be fast improved, black-odor water body treatment time is shortened, the use frequency of aeration equipment is reduced, the method is relatively energy-saving and environmentally friendly, and ecological remediation of the black-odor riverway is achieved.

The invention discloses a (super) high strength prestressed concrete pipe pile which is poured by concrete. Each cubic metre of the concrete comprises following raw materials by weight parts: 250+_ 10 parts of cement, 135+_10 parts of grinded quartz sand, 190+_10 parts of surplus paste, 580+_50 parts of medium sand, 350+_50 parts of small stones, 1100+_100 parts of rough stones, water reducing agent the weight parts of which are corresponding to 0.5-0.7526154000f total weight parts of concrete and grinded quartz sand, and adequate water. Wherein, the weight concentration of gelled material in surplus paste is 30-40 According to the invention, surplus paste generated during pipe pile production is utilized sufficiently, so that excellent environmental protection benefit is obtained. Pipe piles of high-strength prestressed concrete with intensity up to c95 are fabricated by using low rubber materials.

The utility model relates to a method for treating unsteady sulfur dioxide flue gas, wherein zinc oxide is adopted for absorbing unsteady sulfur dioxide flue gas so as to produce zinc sulfite, the content of the sulfur dioxide in flue gas after absorption is lower than 850 mg per normal cubic metre, zinc sulfite is leached by dilute sulphuric acid so as to produce zinc sulfate and sulfur dioxide gas, the concentration of the leached sulfur dioxide gas is higher than 10 percent, and the sulfur dioxide gas with the concentration higher than 10 percent is used for preparing sulphuric acid. After the adoption of the method provided by the invention, sulfur dioxide pollutants in unsteady flue gas can be converted into sulfuric acid products, secondary pollutants can not be caused, and the enviroment can be effectively protected; and meanwhile, the method has the advantages as follows: the sources of zinc oxide absorbents are wide, power and energy consumed during the absorbing and leaching processes are less, and the production cost is low.

The embodiment of the invention provides ecological concrete and a preparation method thereof. Each cubic metre of the ecological concrete is prepared from the following raw materials in a mixing proportion:200-350kg of cement, 158-203kg of water, 1045-1533kg of coarse aggregate, 296-765kg of fine aggregate, 4.9-6.3kg of a water reducing agent, 0-135kg of ore powder and 0.1-2kg of graphene and/orderivatives thereof. According to the ecological concrete provided by the invention, the concrete and the graphene or the derivatives thereof are compounded, and attachment environment is provided formicroorganisms through the biocompatibility and favorable chemical stability of the graphene or the derivatives thereof; and when the ecological concrete is used as a slope protection material of a watercourse and a water body, or is built into an ecological island in the water body, the attachment environment is provided for the microorganisms, so that propagation of the microorganisms is facilitated, and further purification of water quality is facilitated.

The invention relates to a preparation method for an ectopic microorganism fermentation bed, in particular to the preparation method for the ectopic microorganism fermentation bed for treating excreta produced by live pig culture. The method specifically comprises the steps of 1, utilizing turning throw machine to evenly turn and throw cedar sawdust and husks at first; 2, adding and evenly mixing excrement of pig farms to make the humidity of padding raw materials reach 50%; 3, using one kilogram of padding raw materials per cubic metre, evenly spraying fermentation bacteria on the padding raw materials, and conducting turning throw evenly; 4, adding the excrement for turning throw treatment after the padding materials are fermented and the temperature of the fermentation bed reaches 50 DEG C above, and properly supplying padding materials in the using process. Through the fermentation treatment of the fermentation bed, original pig feces and urine which cause pollution to the environment are converted into organic manure, zero discharge of excrement is achieved, and waste is turned into wealth. The preparation method for the ectopic microorganism fermentation bed is simple in material usage, easy to operate and high in treatment rate, and the service life of the padding materials is long.

A concrete pipe pile production technology capable of recycling residual grout, and relates to the technical field of tubular production. The technology is characterized by sequentially comprising the following steps of compounding, stirring, feeding, centrifugal forming, residual grout collecting, residual grout processing, residual grout recycling and compounding. According to residual grout processing, the residual grout is diluted and stirred, the proportion of the diluted residual grout is 1.40+/-0.02g/cm<3>. The residual grout waste liquid can be fully utilized. In the actual production, a residual grout recycling system is used. Due to utilization of the residual grout, in concrete per cubic metre, 35 kilograms of sand and 45 kilograms of water can be saved, and meanwhile the garbage disposal cost can be reduced. Due to application of the technology, the pollution caused by the residual grout can be effectively prevented, and the environmental protection problem is solved.

The invention relates to a functional polymer mixed with sewage and a preparation method thereof, and aims to provide an oil-displacing agent for tertiary oil recovery used for increasing the high-temperature and high-salinity oil reservoir recovery efficiency; the functional polymer can be mixed with collected sewage to obtain a solution and the solution is injected back into the stratum; pollution caused by sewage emission is avoided; simultaneously, the fresh water resource is saved. The preparation method disclosed by the invention comprises the following steps of: mixing 1000 parts by weight of monomer acrylamide solution with 2-10 parts by weight of hydrolytic agent to obtain a mixed solution, then, adjusting the temperature of the mixed solution to 8-12 DEG C, and continuously introducing nitrogen with the purity being above 99.9% into the mixed solution at the speed of 110-130 cubic metres per hour; and then, after introducing nitrogen for 25-35 min, adding 1-5 parts by weight of initiator into the mixed solution, carrying out polymerization reaction in the mixed solution, continuously introducing nitrogen for 50-100 min, thus obtaining the functional polymer mixed with sewage disclosed by the invention.

The invention provides hydrophobic polystyrene foamed concrete and a preparation method thereof and belongs to the technical field of building materials. Based on the volume capacity, the hydrophobicpolystyrene foamed concrete per cubic metre comprises 0.5-0.8m<3> of polystyrene granules, and the hydrophobic polystyrene foamed concrete comprises, by weight, 300-380 parts of cement, 0.8-1.2 partsof water repellent, 0.6-1 part of foamed concrete binding material foaming agent and 190-240 parts of water. The hydrophobic polystyrene foamed concrete has the advantages that the foamed concrete binding material foaming agent coordinated with the water repellent is used, and the foamed concrete binding material foaming agent is rich and fine and smooth in foam, low in water secretion quantity, long in foam stabilizing time and good in compatibility with a binding material; the foamed concrete which is a novel energy-saving building wall material product is lightweight, high in strength, lowin use amount, low in cost, good in water repelling performance, low in water absorption, resistant to fire, energy-saving, environmentally friendly and applicable to the pouring of thermal-insulationwalls.

The present invention relates to a Hami melon freshness-keeping agent and its method. Its freshness-keeping agent is formed from Xianwei fruit-protecting liquor and vinclozolin or iprodione or thiophanate-methyl or prochloraz, and its freshness-keeping method includes the following steps: a). before the melon is picked up, turning melon, applying one of the above-mentioned freshness-keeping agents no the twisted melon vine, after several days, turning melon again, applying another freshness-keeping agent on the twisted melon vine, so that making repeat circulating operation for several times,then picking melon; and b) placing the picked melon in a cool, dark and ventilation place, ehaling, then feeding the melon into a closed room whose every cubic metre containing 5-20g of 2-aminobutane, fumigating, and packaging.

The invention relates to an application environment-friendly acid mist inhibitor and an application thereof. The application environment-friendly acid mist inhibitor is composed of, by mass, 20% of sodium dodecyl sulfate, 12.5% of bromo-pyridinium, 8% of alkynol and 6.5% of amide. The inhibitor of 2 and 6 L is added to each cubic metre of electrolyte under the temperature between 55 DEG C and 65 DEG C, sulfuric acid concentration of 200 g/L, and current density between 150 and 180 A/m2. The application environment-friendly acid mist inhibitor and the application thereof can take the suppression of acid mist into account, reduce equipment corrosion, improve the workshop environment, and improve the quality of the electro deposited copper.

An organic sewage treatment method is disclosed. The treatment method comprises the following steps: (1) prismatoidal, four-pyramid or polygon stone blocks are glued with an adhesive containing epoxy resin to form ''sewage-killing balls'' with diameter of 5-15 centimeters, and voidage of the sewage-killing balls is 35-45%; (2) the ''sewage-killing balls'' are put into a gathering tank of 2-4 meters deep, and total voidage of the gathering tank is 50-68%; and (3) sewage flows into the gathering tank, and wind is supplied through small holes at the bottom of the gathering tank while wind supply volume is 0.036-1.0 meter<3>/min per cubic metre of the gathering tank and operating temperature of the gathering tank is 5-40 DEGC; stopped-flow time of sewage in the gathering tank is 18-34 h and rectilinear flow distance is 18-34 meters; and treated water which accords with emission standard is discharged and sludge is decomposed spontaneously in the gathering tank.

The invention relates to a fresh keeping storage method of fruits and vegetables. The fresh keeping storage method consists of the following steps of (1) selecting a room which is ventilated, away from light and free from damage by wild rats as a storage room; (2) before the storage room is used, spraying a 1.5% bleaching powder solution to the storage room for sterilization, and in the storage course of fruits and vegetables, performing sterilizing treatment on the storage room regularly; (3) sprinkling an appropriate amount of lime to the floor of the storage room; (4) making a correspondingquantity of flower shelves for allowing fruits and vegetables to be piled in the storage room; (5) preparing a fresh keeping agent in the proportion of 5 grams of fresh keeping agents to per kilogramof fruits and vegetables, loading the fresh keeping agents in plastic or ceramic containers, enabling the plastic or ceramic containers to be uniformly distributed and put at the bottom of the storage room, mounting an ozone generator at the upper part of the storage room, requiring that the ozone concentration is 6 milligrams per cubic metre, and setting the machine available-time of the ozone generator each day to be 2-3 hours; and (6) regularly opening windows for ventilation for 1-2 hours, selecting night as ventilation time in summer, and selecting noon as ventilation time in winter. Compared with a traditional method, the fresh keeping storage method has the advantages that the fresh keeping time can be prolonged by 1 time or above, and no adverse effects can be caused on the cuticles of fruits and vegetables.

A method for purification of water with a water purifier. The water purifier includes an anode and a cathode as electrodes in such a way that a gap remains between the anode and the cathode. In the method, an electric field is generated between the anode and the cathode, water for purification is conveyed to the gap and an additive enhancing floc formation is introduced to water for purification or to purified water in an amount of less than 50 g and at least 1 g, measured as dry matter, per each cubic metre of water for purification. Floc material manufactured with the method, when water for purification is municipal wastewater. The use of the floc material produced in this way as a soil conditioner or for manufacturing a soil conditioner.

The invention discloses an intensive ecological seedling raising method for shad. The prominent feature of the method is that an ecological system satisfying the growth and development of shad fry is established through the biological and ecological principles of cultured fish. The key measures of the present invention are as follows: add bait to cultivate green water and EM probiotic preparations in indoor high-density shad fry cultivation ponds. According to the development process of shad fry, adjust the feeding strategy and nutritional supplement in time. When the body length of the fry reaches 1.2-1.6 cm, the microencapsulated feed is domesticated by light-induced technology. During the metamorphosis period of the fry, nutritional enhancement is carried out through micro-worms. Nearly 2,000 shad fingerlings can be cultivated per cubic water body. The seedling efficiency is 26 times that of traditional seedling raising methods, and the survival rate is as high as 92%. The invention can be applied to the cultivation of other fish fry.