70results about How to "Zero waste" patented technology

The invention relates to a system and a method for realizing total internal reflection fluorescence microscopy by using a concentric double conical surface lens. The system comprises a parallel light generating device, and an annular light beam generating device, a fluorescence excitation device and an imaging device which are arranged on a light path in turn, wherein the parallel light generating device generates parallel light, and the annular light beam generating device is arranged on the path of the parallel light; and the annular light beam generating device comprises a hollow reflector which is arranged at a 45-degree angle to the incident direction of the parallel light, a concave surface conical lens arranged in the same axial with the parallel light, and a convex surface conical lens which is arranged in the center of the concave surface conical lens. The system and the method solve the low-transmittance of the conventional objective lens type total internal reflection fluorescence microscopy, have the advantage of an optical energy utilization rate as high as nearly 100 percent, and can realize the switching between total internal reflection fluorescence microscopy and common wide field fluorescence microscopy conveniently. The system and the method can image a single cell or a whole organelle and meet the requirements of most in-vivo biological experiments.

The invention discloses an automatic spheroidization device for producing spherical graphite, which mainly comprises an automatic material supply device, a powder system, a spheroidization system, a dust recovery system and a material collection system, wherein materials enter the powder system from the automatic material supply device and after being processed, and enter the spheroidization system and the material collection system in turn; the whole process is carried out in a sealed pipe in sequence; a vacuum exhaust fan is used for providing power; and in a production process, the efficiency is high and no pollution is generated. The device can realize the fully-automatic control in a whole process from material supply to powder making to spheroidization to separation to product recovery to dust recovery; the prepared graphite powder is spherical material; the surface of the graphite powder has openings; the values, which are preset before production, of the tap density, specific surface area and size distribution can be achieved; the product quality is stable; the yield can be improved by more than three times; over 40 percent of energy can be saved; over 60 percent of cost can be saved; and dust leakage and high noise are prevented.

A method for making absorbent pads for various absorbent articles is provided. A strip of the absorbent web material is conveyed along a machine direction, the absorbent web material having a generally first constant cross-direction width and generally first uniform basis weight. Longitudinally defined portions of the web material are stretched in the cross direction so as to define longitudinal sections having a wider cross-direction width and decreased basis weight alternately spaced between longitudinally extending sections of the web material having a lesser cross-direction width and greater basis weight. The web is released eventually cut in a cross direction into individual absorbent pads such that each pad has a crotch section corresponding to the longitudinal section having the lesser cross-direction width and greater basis weight and at least one of a front section and back section corresponding to the wider cross-direction width and decreased basis weight.

The invention discloses a method for recovering gold and silver from waste gold/silver-containing activated carbon. The method comprises the following steps: sintering invalid and broken waste gold/silver-containing activated carbon through a sintering furnace and making the waste gold/silver-containing activated carbon into blocks, grinding the blocks into powder through a grinding machine, and conveying the powder to a stirring carbon leaching system; stirring until a cyanating solution is leached and gold and silver are adsorbed by the activated carbon; and resolving the gold/silver-loaded high-activity carbon and extracting gold and silver to recover gold and silver in the waste activated carbon. In the method disclosed by the invention, both the adsorption activated carbon and cyanating solution are recyclable, and smoke dust generated from combustion is respectively collected and sprayed to reduce pollution; the involved equipment and apparatus are skillfully applied in industry; therefore, the method is a method for recovering gold and silver in the waste activated carbon, which is simple in equipment, resource-conserving, environmental friendly and low-carbon, economic and cheap, and easy to implement and popularize.

The invention relates to a digital page type label die cutting machine. The digital page type label die cutting machine comprises a machine body. A large-capacity fed paper storage area is arranged atthe bottom of the machine body. An updraft paper feeding mechanism is arranged above the large-capacity fed paper storage area. A double-cutter die cutting structure is arranged on one side of the updraft paper feeding mechanism. A double-roller paper conveying structure is arranged below the double-cutter die cutting structure, the number of paper sheets can be as big as 1000, and the cutting size is 340*800 mm. The digital page type label die cutting machine has the function of double machine head interval automatic adjustment, and is a novel application of the digital die cutting technology and the updraft paper feeding technology in the label die cutting industry.

Methods and devices for a fully automated synthesis of radioactive compounds for imaging, such as by positron emission tomography (PET), in a fast, efficient and compact manner are disclosed. In particular, the various embodiments of the present invention provide an automated, stand-alone, hands-free operation of the entire radiosynthesis cycle on a microfluidic device with unrestricted gas flow through the reactor, starting with target water and yielding purified PET radiotracer within a period of time shorter than conventional chemistry systems. Accordingly, one aspect of the present invention is related to a microfluidic chip for radiosynthesis of a radiolabeled compound, comprising a reaction chamber, one or more flow channels connected to the reaction chamber, one or more vents connected to said reaction chamber, and one or more integrated valves to effect flow control in and out of said reaction chamber.

Apparatus (10) for separating individual sealed tubes (42) from an array has rack support (30) for supporting an array of tubes with their upper rims (43) disposed in a horizontal plane and all sealed with a sealing membrane (90), and a punch station (60) comprising a punch tool (62) with cutting edge (66). Cutting edge (66) pierces through membrane (90) from above to separate an individual sealed tube (42) from the remainder of the membrane. The tool has multiple cutting edges (66) in a linear array corresponding to a column of a tightly-packed x by y array of tubes in the rack (40) to simultaneously separate the tubes (42) of a whole column. The cutting edge (66) starts piercing membrane (90) at the corners (43a) of each tube rim and progressively shears through the membrane. Ejector pins (68) retain the separated tubes within the rack (40).

The invention discloses a method for co-producing butanol and hydrogen by utilizing lignocellulose biomass and relates to a method for producing the butanol and the hydrogen. The method is used for solving the problems that the substrate cost is high, the substrate fermentation is not thorough and the substrate conversion efficiency is low in existing butanol producing fermentation processes. According to the method, cheap renewable organic waste lignocellulose serves as a substrate; glucose hydrolysate obtained after treatment is used for butanol producing fermentation, the butanol and the hydrogen are collected in the process; the unused carbohydrate residual after the butanol fermentation and hemicellulose xylose liquid generated in the pretreatment process of the lignocellulose are continued to be used and converted into the product hydrogen in a hydrogen producing reactor; in the meantime, acetic acid and butyric acid generated in hydrogen producing fermentation residual liquor can flow back to a butanol producing fermentation system to increase the butanol yield. The method disclosed by the invention has the advantages that the conversion efficiency of the substrate and the energy recovery rate of the system are increased; in the meantime, the environmental influence caused by waste liquid residual after purely producing the butanol or the hydrogen is greatly reduced; the method has important significance in energy and environment fields.

Water soluble packets containing cleaning concentrates in gel form in unit dose, ready-to-use and pouches to be reconstituted in ready-to-use cleaners and fabric treatment products are provided. The packaging system, direct-over-package and shipping and display package are constructed of biodegradable, compostable and recyclable components. The packets are stable despite the fact that the cleaning formulas for laundry and manual dishwashing contain more than 24% of water by weight. The reconstitution system is comprised of a container and a mixer, manual or powered, specifically designed to prevent foam formation during the reconstitution process while producing a shearing effect to cut the concentrated gels into easy to disperse pieces, although various embodiments described herein do not require the use of a mixing device for reconstitution. All components of the system are: biodegradable, compostable, recyclable, or reusable, leading to near zero waste to the environment.

The invention relates to humic acid compound fertilizer and a preparation method thereof. The raw materials of the compound fertilizer comprise the following components: potassium chloride, monoammonium phosphate, urea, danty or lignite, sulfuric acid, wash water and liquid ammonia. By adoption of the method, the danty or lignite can be ammoniated along with the production through improvement and index control on an amino acid pelleting process. By adoption of the method, timely ammoniation and timely use are realized, activity reduction after ammoniation caused by overlong storage time of during traditional ammoniation is avoided, and the limitation of the traditional method is solved.

A buildable, collapsible and lightweight screen comprising a frame constructed with at least two longitudinal profiles, at least two transverse profiles, hollow extruded profiles and which include at least one inner groove which runs along one side, in a longitudinal direction. Each of said profiles, one or more panels of sheet material are confined within said frame along said inside groove, and connectors that align and fasten the longitudinal and transverse profiles by fasteners, connectors which act as intermediaries to avoid direct contact between these profiles.

The invention relates to the technical field of lead-acid storage batteries, and discloses a method for preparing lead oxide by means of scrap lead paste. By the adoption of the method for preparing the lead oxide by means of the scrap lead paste, the problems that in the process of preparing lead oxide by means of scrap lead paste in the prior art, the consumption of chemical reagents is high, and the industrial production cost is high are solved. The method for preparing the lead oxide by means of the scrap lead paste comprises the following preparation steps of (1) dissolution and leachingof the lead paste; (2) dissolution and leaching of filter residues; (3) cyclic regeneration of sodium chloride mother liquor; (4) preparation of the lead oxide; (5) cyclic regeneration of sodium hydroxide mother liquor; and (6) drying and grinding of the lead oxide. The method for preparing the high-purity lead oxide by means of the scrap lead paste is efficient, high in cleanliness, low in consumption and cost, and high in efficiency; the synthesis cost is low, zero waste is basically realized, and a high recovery rate is achieved; the finished lead oxide preparation through the method is excellent in performance and good in granularity consistency, and the electrical performance of materials is improved by the uniform granularity; and the preparation process is simple, the synthesis cycle is short, the synthesis efficiency is high, the controllability of the process steps is good, and mass production can be realized.

The invention relates to a renewable dehumidification air-conditioning system which comprises a first dehumidification heat exchanger and a second dehumidification heat exchanger. The first dehumidification heat exchanger and the second dehumidification heat exchanger conduct dehumidification and regeneration alternately, and the dehumidification continuity of the system can be guaranteed. Adsorption heat released by the system in the dehumidification process of the system is absorbed by a refrigerant of a refrigerant loop, and the adsorption heat absorbed by the refrigerant is used for providing heat for the interior of a room, so that a cooling water system of the adsorption heat does not need to be additionally arranged, the adsorption heat can be recycled, and energy is saved. According to the renewable dehumidification air-conditioning system, air needing to be dehumidified is introduced into underground soil from the outside, the outdoor air is precooled or preheated through thesoil, and free natural energy is fully utilized. A solar heat collector is adopted in the system to regenerate the dehumidification heat exchangers, and natural energy is fully utilized. Energy of indoor return air and energy of regenerative exhaust air are recycled through the first heat exchanger and the second heat exchanger correspondingly, and zero waste of the whole system is achieved. An indoor heat exchanger of the system adopts a direct expansion type radiation tail end, energy losses of secondary heat exchange are avoided, noise is avoided, and comfort is high.

A cementitious building having a predetermined measured grid system using structural trim members for doors and windows that are sized so that when installed in openings no further trim is necessary.

A technique for the application extension of dynamic technology includes modifying a prior art static technology into a corresponding dynamic technology, and relates to a method for dynamically improving the material quality, construction and parameter of a technological equipment. The material quality, construction, parameter, and pertinent working and manufacturing process of the weak link in prior art are modified by applying a selective combination of dynamic technology, hereby to improve the quality, function, performance, accuracy, purity, high temperature, high pressure, high energy stream density etc. Typical application of the said selective combination includes dynamic electrode, dynamic spraying gun, dynamic industrial furnace, dynamic material production, dynamic high energy battery, dynamic strong electric light source, dynamic laser and dynamic nuclear reactor.

The invention relates to a fully-recyclable friction generator and a preparation method thereof. The fully-recyclable friction generator comprises a base portion, an electrode portion and a function film layer portion. The function film layer, the metal electrode layer and the base layer are made of a water-soluble material, and thus the whole device can be fully dissolved; and a solution obtained after dissolution can form films, and thus the purpose of being fully recyclable is achieved. Before cyclic utilization, the friction generator can work normally; and after cyclic utilization, the output and dissolution time performances and the like of the generator are not reduced, and the generator can still play a normal role, including collecting mechanical energy in living environment and serving as a motion sensor for monitoring human motion and mechanical vibration and the like. The fully-recyclable friction generator has the advantages of easy preparation, low cost, non-poisonous and harmless dissolution products and zero waste and the like; and the fully-recyclable friction generator has a great prospect in future practical application and after-service processing.

The invention discloses a umami enhancer as well as preparation method and application thereof. The preparation method comprises the following steps of dissolving polypeptide and/or amino acid and saccharides in water, adjusting the pH value of a solution to 5-10, carrying out freeze drying at -65 to -45 DEG C for 5-24 h, heating an obtained product to carry out a Maillard reaction, and rapidly cooling to terminate the reaction after the reaction is finished, so as to obtain the umami enhancer. The prepared Maillard reaction intermediate product is a novel umami compound, can make up or strengthen flavor characteristics of original flavor substances of a food, and also has prominent flavor characteristics of enhancing the umami and fullness of the food. According to the method, the product yield is higher, and the obtained product is mainly in the most stable isomer form of the Maillard reaction intermediate product and is high in purity and relatively high in stability.

The invention discloses a method for directly preparing metallic lead by utilizing galena. The method comprises the following steps of S1, ball-milling a galena raw material and then pressing into a block; S2, heating the block raw material to 950-1400 DEG C under the condition that the residual pressure of a system in a vacuum furnace is 1-100Pa, carrying out vacuum distillation, and then coolingto obtain high-purity metallic lead residues. The method disclosed by the invention has the following beneficial effects that (1) the raw material is saved, high-value utilization of the raw materialis realized, and zero waste is realized; (2) the efficiency is high, the energy consumption is low, and the metallic lead with high purity can be obtained by vacuum distillation once; and (3) the process is simple, other chemical reagents do not need to be added, and no pollution is caused.