1173results about How to "Energy saving" patented technology

Preparation method of environmentally-friendly aqueous polyurethane adhesive

The invention discloses a preparation method of an environmentally-friendly aqueous polyurethane adhesive. The environmentally-friendly aqueous polyurethane adhesive is prepared from the following raw materials: polydiol with a number-average molecular weight between 500 and 5,000, a hydrophobic chain extender with a number-average molecular weight between 61 and 400, an inner-crosslinking agent,a hydrophilic chain extender, diisocyanate, a catalyst, an organic solvent, a neutralizing agent and deionized water. The preparation process comprises: heating the polydiol, the hydrophobic chain extender, the inner-crosslinking agent and the hydrophilic chain extender in a protective atmosphere of nitrogen, dewatering under vacuume and cooling; adding diisocyanate for reaction, cooling and adding a catalyst for a reaction; adding a proper amount of organic solvent for regulating viscosity; and adding aqueous solution of the neutralizing agent under the action of a high-speed shearing force to obtain the product. The product has the advantages of extremely low organic solvent content, high stability, insusceptibility to agglomeration and sedimentation, long storage period and low thermalactivation temperature, can be used for dry type combination and has the characteristics of high initial viscosity, high flexibility, high breathability, light odor and the like.

Technique for producing deep-drawing cold-rolled plate based on CSP technique

The present invention discloses a CSP process-based manufacturing technique of a cup drawing stage cold-rolled steel sheet. The manufacturing technique comprises the working procedures of steel-making, continuous casting, heat soaking, hot continuous rolling, cooling, curling, pickling and cold rolling, annealing and flattening. The pickling and cold rolling working procedure is realized by that after decoiling, a hot rolled coil enters into a pickling tank with the pickling speed of 160-170 m/min, and then enters into a four-frame cold continuous rolling mill train. The present invention has the relative percent of reduction that STD1 is 30-37 percent, STD2 is 35-40 percent, STD3 is 30-35 percent and STD4 is 0.1-0.5 percent, and the curling is performed after the cold rolling. The annealing and the flattening working procedures are realized by that the cold rolled hard coil enters into a cover-type annealing furnace, the annealing temperature is 675-685 DEG C, the temperature holding time is 10-15 h, and the flattening elongation rate is 1.0-1.5 percent. Compared with the prior art, the performance of the cup drawing cold-rolled steel sheet produced with the present invention can achieve the European standard EN10130: 1999, at the same time, the production cost can be reduced, the energy is saved, and the consumption is reduced.

Ice-melting heating structure of wind driven generator blade and manufacturing method thereof

ActiveCN105673361APrevent blades from freezingEnergy saving
The invention discloses an ice-melting heating structure of a wind driven generator blade. The ice-melting heating structure is characterized in that the wind driven generator blade is provided with a carbon crystal film heating device; the carbon crystal film heating device comprises a carbon crystal electrothermal film, temperature sensors and a heating controller; the carbon crystal electrothermal film is laid on an ice-coated zone of the front edge surface of a shell and used for heating the ice-coated zone of the front edge of the shell so as to achieve ice melting and icing prevention; the temperature sensors are arranged under the carbon crystal electrothermal film, correspond to the ice-coated zone, and are used for detecting the temperature of the ice-coated zone of the front edge of the shell; and the heating controller is arranged in a wind driven generator control system and is used for adjusting the heating electric power of the carbon crystal electrothermal film according to the temperature, detected by the temperature sensors, of the ice-coated zone of the front edge of the shell, so that the temperature of the ice-coated zone of the front edge of the shell is constantly kept at a set value, and the set value is slightly greater than the melting point of ice and is normally higher than zero DEG C but lower than or equal to two DEG C. A lightning protection device is further arranged, so that the blade is protected against a lightning stroke.

Extremely lean magnetite beneficiating process

InactiveCN102489387AReduce the cost of beneficiationEnergy saving
The invention relates to the technical field of ore beneficiation, and in particular relates to an extremely lean magnetite beneficiating process. The process is characterized by comprising the following steps of: 1) carrying out wet pre-beneficiation on raw ores with grain sizes being 0-5mm and concentration being 35-45%; 2) processing the concentrates obtained through wet pre-beneficiation with a primary closed-circuit milling system formed by primary ball milling and primary classifying and discarding the tailings obtained through wet pre-beneficiation; 3) carrying out first-stage magnetic separation on overflow obtained through primary classifying; 4) processing the concentrates obtained through first-stage magnetic separation with a secondary closed-circuit milling system formed by secondary ball milling and secondary classifying; 5) carrying out second-stage magnetic separation on overflow obtained through secondary classifying; 6) carrying out third-stage magnetic separation on concentrates obtained through second-stage magnetic separation; 7) taking the concentrates obtained through third-stage magnetic separation as the final concentrates with grades being 63-64%; and 8) discarding the final tailings formed by the tailings obtained through first-stage magnetic separation, second-stage magnetic separation and third-stage magnetic separation. The process has the following characteristics that: 30% of tailings are discarded by adopting the pre-beneficiation method, thus improving the beneficiation feed grade of the ores to 16-18%, reducing the quantity of the ores entering the ball mill by 30% and obviously lowering the ore beneficiation cost; and the energy is saved and the economic benefits are obvious.

Tempered vacuum glass and production method thereof

The invention relates to tempered vacuum glass and a production method thereof, wherein the tempered vacuum glass includes upper glass, lower glass and a support object therebetween. The support object is smaller than the upper glass and the lower glass. The upper glass and the lower glass are sealed with an edge sealing material to form a vacuum chamber between the upper glass and the lower glass, wherein at least one edge of the edge sealing material is prepared from PVB. The tempered vacuum glass has following advantages: (1) the tempered vacuum glass is simple in structure, is simplified in process, is low in production cost, is improved in vacuumizing efficiency, and is easy to achieve a high vacuum degree in the vacuum chamber; (2) the support object is easy to arranged and is not liable to fall-off, so that the glass is free from cracking at supporting positions; (3) the tempered vacuum glass is improved in edge sealing quality since the PVB is used as the edge sealing material and a secondary edge sealing material and a secondary edge sealing process are employed on the basis of the PVB, so that the vacuum degree of the vacuum chamber can be maintained durably; (4) the tempered vacuum glass is lower than 200 DEG C in vacuumizing temperature, so that problems of reduction of residual stress and reduction of strength of the tempered vacuum glass due to glass annealing can be avoided, thereby improving quality, service life and safe performance of the tempered vacuum glass.

Process method for refining neutral protease from tussah cocoon shell

InactiveCN103789846AEnergy savingStrong hand pull
The invention relates to a process method for refining neutral protease from a tussah cocoon shell. The process method comprises the following steps of pretreatment, wherein a positive-pressure pretreatment process or a soap-alkaline pretreatment process is adopted; and neutral protease degumming, wherein 100 parts of pretreated tussah cocoon shells are prepared, the bath ratio is 1:10-15, 5-7 parts of the neutral protease (5 million units) are used, the water temperature is 40-45 DEG C, pH value is 6.5-7.5, and degumming is finished until the residual gum content of the silk fibers is detected to be 3-5%. Sericin peptide bonds of silk are removed by being broken into amino acids and polypeptide through hydrolysis in the presence of protease, fibroin is not influenced, particularly the pretreatment adopts a high-temperature and high-pressure steaming mode, the energy is saved, no chemicals contamination is caused, the refined waste silk has large tearing strength, and the fibers are fluffy, soft, glossy and have no raw and smooth cocoons; the degummed sewage water contains sericin and little neutral protease preparation, and is dehydrated through sedimentation of protein flocculating agents, and then drying is carried out to obtain sericin, and the sericin can be coarsely processed into organic fertilizers, so that the environment is improved and the social benefit is increased.

Agglomerated rock pavior brick with pervious function and preparation thereof

The invention belongs to the field of building materials, and in particular relates to an agglomerated rock paving brick with function of water permeability, which is characterized in that agglomerated rocks are used as a gelled material to give full play to the characteristics of no free Ca(OH)2 contained therein after hardening, strong freeze-thawing resistance, good durability and the like of the novel silicon-aluminum based gelled material. The production of the agglomerated rock paving water permeable brick is divided into an upper layer and a lower layer for material blending and forming. The brick can be formed manually or mechanically. The underlayer raw material comprises the following components by weight percentage: 75 to 78 percent of aggregate, 16.5 to 18.5 percent of agglomerated rock gelled material, 0.5 to 2.0 percent of water reducing agent, and 3.5 to 6.0 percent of water; and the upper layer raw material comprises: 71 to 75 percent of the aggregate, 20.8 to 22.1 percent of the agglomerated rock, 0.7 to 0.9 percent of the water reducing agent, and 3.5 to 6.0 percent of water. Compared with ceramic paving water permeable brick, the agglomerated rock paving brick can considerably reduce the cost of the paving water permeable bricks, and calcination is not needed at the same time for energy conservation and environmental protection. Compared with the prior cement-based paving water permeable brick, the agglomerated rock paving brick overcomes the defects of poor freeze-thawing resistance and short service life.

Intelligent sensing cookware powered through wireless induction

The invention provides an intelligent sensing cookware powered through wireless induction. The cookware comprises a metal cookware device and an induction cooker device. The metal cookware device comprises a temperature sensing unit, an MCU processing unit and a wireless radio-frequency emission unit. The induction cooker device comprises a wireless radio-frequency receiving unit, a master control unit, a power drive unit and an induction cooker heating coil. The metal cookware device further comprises a cookware body, and a temperature and liquid level sensing unit is directly installed on the cookware body in an embedded mode. After the MCU processing unit carries out data check on data detected by the temperature sensing unit, the MCU processing unit sends the data to the wireless radio-frequency receiving unit of the induction cooker device through wireless radio-frequency; after the master control unit of the induction cooker device obtains the temperature data from the wireless radio-frequency receiving unit, the master control unit of the induction cooker device drives the heating coil through the power drive unit to control the induction cooker device to heat or stop heating. According to the intelligent sensing cookware, the true real-time temperature of the cookware can be monitored in real time in the cooking process, secondary protection against dry burning and constant temperature control can be achieved, and more energy can be saved.

Method for preparing lithium silicate serving as high-temperature CO2 absorbing material

The invention discloses a method for preparing lithium silicate material absorbing high-temperature CO2 by taking artificial zeolite as raw material, and provides a process for preparing lithium silicate material serving as high-temperature CO2 absorbent by use of artificial zeolite. Lithium silicate precursors are prepared from LiNO3 and artificial zeolite in different proportions by ion exchange and sol-gel methods, and the lithium silicate material is synthesized by roasting the lithium silicate precursors at a temperature between 600 and 900 DEG C for 2 to 8 hours. The lithium silicate material prepared absorbs CO2 in a thermogravimetric analyzer at a temperature between 400 and 700 DEG C in CO2 and N2 atmosphere in different proportions. Aiming at the problem of a great amount of high-temperature CO2 emitted from power plants and flue gas, the method recycles carbon resources and reduces CO2 emission. The method synthesizes the lithium silicate material by taking cheap artificial zeolite and LiNO3 as raw material and adopting the ion exchange and sol-gel methods. Compared with the prior art, the method has the advantages of cheap and readily available artificial zeolite used as the raw material, reduction in preparation cost of the lithium silicate material and easiness of realizing industrial production.
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