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111results about How to "Speed up recovery time" patented technology

Preparation method of room-temperature regenerated phenolic resin and recycling technology and application thereof

The invention relates to a preparation method of room-temperature regenerated phenolic resin and a recycling technology and application thereof. The preparation method comprises the following steps of according to parts by mass, melting and blending 100 parts of thermoplastic phenolic resin and 18.4 to 55 parts of boric acid compound at the temperature of 60 to 100 DEG C, so as to obtain boron-containing thermoplastic phenolic resin; or, dissolving 100 parts of thermoplastic phenolic resin and 20 to 50 parts of boric acid compound into an organic solvent with low boiling point at the temperature of 40 to 60 DEG C, so as to obtain the boron-containing thermoplastic phenolic resin; curing, so as to obtain the room-temperature regenerated phenolic resin. The preparation method has the advantages that the preparation technology of the resin is simple; the resin is dissolved into the mixing solvent of ethyl alcohol and water at room temperature, so that the resin can be recycled; the resin can be used for preparing the recyclable fiber reinforced boron-containing thermoplastic phenolic resin-based composite material. The prepared boron-containing thermoplastic phenolic resin has the advantages that the function of arylboronic acid ester structure promoting the heat-resistant property of the thermoplastic phenolic resin is fully realized, and the technology of the resin and the mechanical property of the composite material can be simultaneously realized.
Owner:XI AN JIAOTONG UNIV +1

Systems and methods for passive, active, and resistance range of motion and stretching apparatus

The present invention includes a rehabilitation apparatus that can assist a patient that has been impaired, injured/traumatized, or subject to degenerative conditions in his or her lower limbs. The apparatus may be designed to exercise the extension and flexion movements for a patient's leg after knee surgery. A thigh support link may be connected to an upper leg link, which is connected to a lower leg link for supporting the patient's leg during the extension and flexion range of movements. A foot plate with wheels may be connected to the lower leg link, and the wheels enable the foot plate to slide along a base as the patient moves in both directions. A sled or connector provides a flexible connection between the thigh support link and the base, which allows the thigh support link to travel along the base in conjunction with the foot plate wheels. The present invention provides adjustable, constant resistance as the extension and flexion exercises are done. In some embodiments, the resistance may be different for the extension and flexion ranges of motion. The resistance may be applied through the connection of the sled or connector to the base. This can be done with direct or magnetic resistance mechanisms. In one embodiment, one or more b-motors or magnetic clutches are used to provide magnetic resistance.
Owner:ALVAREZ JAMIE

Recovery system and recovery method for converter gas

The invention discloses a recovery system and recovery method for converter gas. The recovery system for the converter gas is composed of an evaporative cooling section flue, a dust collector, a gas enriching device, a medium converter gas storage tank, a N2 pipeline, a valve A, a valve B, a valve C, a valve D, a valve E, a valve F, an induced draft fan, a diffusion tower, a switching station and a converter gas recovery cabinet. The recovery system for the converter gas is installed at the outlet end of an evaporative cooling section flue of an original converter gas recovery system. The technical process comprises the steps that the high-temperature converter gas coming out of the evaporative cooling section flue enters the dust collector and then is guided into the gas enriching device for the gasification reaction, 80% or more of CO2 in the converter gas is converted into CO, the enriched converter gas sequentially enters the switching station and the converter gas recovery cabinet under the suction of the induced draft fan after buffering and pressure stabilizing are conducted on the enriched converter gas through the medium converter gas storage tank, and then recovery of the converter gas is completed. The recovery system and recovery method for the converter gas have the effects that the heat value of gas recovered from per ton of steel can be increased, the amount of converter gas recovered from per ton of steel is improved, waste and atmospheric pollution which are caused by diffusion are avoided, and the steelmaking cost is reduced.
Owner:ANGANG STEEL CO LTD

Granular iron preparation method and system

The invention discloses a granular iron preparation system and method. The granular iron preparation system comprises a slag melting device, a granulator, a reduction roasting device, a magnetic separation device and a gravity concentration device. By the system, melted copper slags are taken as raw materials, the problem that the traditional high-temperature copper slags only can be continued being treated after being cooled by water quenching or cooled slowly is solved, high-grade granular iron and zinc oxide dust can be prepared, and the heat utilization rate of the system is high. In addition, an additive inlet is formed in the slag melting device, an additive is added in the high-temperature melted copper slags before heating treatment, the melted copper slags can be homogenized after being stirred by a stirrer, the interior structures and chemical components of the copper slags are adjusted directly, the metallurgical performance of the copper slags is improved, then the copper slags are granulated at high temperature, so that granulated copper slag raw materials can be provided for direct reduction of a rotary hearth furnace, technologies such as pelletizing, drying and pellet preheating are omitted, the reduction time of the rotary hearth furnace is shortened, and the energy consumption of the rotary hearth furnace is reduced.
Owner:JIANGSU PROVINCE METALLURGICAL DESIGN INST

Method for increasing recovery rate of converter gas

The invention provides a method for increasing the recovery rate of a converter gas and belongs to the technical field of converter steelmaking. An oxygen gun is lowered below an oxygen opening point and the pressure of compressed air is 0.2-0.6 MPa; a bypass valve is closed; the rotation speed of a fan is 1000-1400 r/min; the content of oxygen is not more than 2 wt%; the content of CO is 30-100 wt%; the capacity of a gas holder is not more than 65,000 m<3>; and the gun is lowered to blow for 1.5-4 minutes; and if these conditions are all satisfied, the gas begins to be recycled. The capacity of the gas holder is 65,000-80,000 m<3>; the content of the oxygen is not less than 2 wt%; the content of CO is 20-30 wt%; alarming is given when a three-way valve fails to work or a check valve fails to work; the bypass valve is opened; the pressure of the compressed air is not more than 0.2 MPa; the rotation speed of the fan is 800-1,000 r/min; a housing is at a high level; and the gun is lifted above the oxygen opening point in the converter; and if these conditions are all satisfied, the gas is released. The method for increasing the recovery rate of the converter gas, provided by the invention, has the advantages that the average gas recycling time is prolonged by about 1-2 minutes and the gas recycling quantity per ton steel can be increased by about 10-20 %.
Owner:QINHUANGDAO SHOUQIN METAL MATERIAL +1

Polyvinyl chloride paste resin used for preparing bottle caps and method for producing same

The invention provides polyvinyl chloride paste resin used for preparing bottle caps and a method for producing the same. The method for preparing the polyvinyl chloride paste resin comprises the following steps of: mixing water, an activating agent, sodium metabisulfite and seeds, adding monomers of vinyl chloride into the mixture for reaction, and when the temperature of the mixture is between 44 and 48 DEG C, continuously adding a catalyst until the reaction is ended; and controlling the speed of feeding the remained monomers of vinyl chloride so as to keep the temperature of the reaction system between 41 and 44 DEG C, adding an emulsifying agent when the reaction temperature is between 42 and 44 DEG C, and when the temperature sharply rises and the pressure is unchanged or drops, namely the reaction is ended, adding polyoxyethylene lauric acid ester into the mixture to obtain the finished product, wherein the grain size of the finished product is 0.2 to 1.3mu m, and the distribution of the grain size is uniform. In the method, the polymerization degree is improved by lowering the temperature of the polymerization reaction and the level of residue of the polyvinyl chloride is lowered by prolonging the recovery time, so that the production requirement of the polyvinyl chloride paste resin which is the special material used for producing the bottle caps is met.
Owner:SHANGHAI CHLOR ALKALI CHEM

Multifunctional nursing bed for cardiovascular department

The invention provides a multifunctional nursing bed for a cardiovascular department. A bed board is arranged on the inner side of a bed body frame, a mattress is arranged on the upper portion of the bed board, a nursing device is arranged on the side, close to a bed head frame, of the interior of the bed board, fixing devices are arranged on the two sides of the bed board respectively, the fixing devices are connected with a containing plate arranged above the mattress through a support, and a trash can device is arranged on one side of the bottom of the bed board; the nursing device is internally provided with an electronic medical information end, an emotion sensing module, a brain wave sensing module, a body temperature sensing module, a remote diagnosis and treatment unit and a monitoring system. By means of the electronic medical information end, an electronic medical record of a patient can be inquired, and curing and nursing work of medical staff is guided; due to the fact that the emotion sensing module, the brain wave sensing module and the body temperature sensing module are combined with the remote diagnosis and treatment unit, remote medical-nursing information can be provided for a doctor in real time, the accuracy and timeliness of nursing are strengthened, the intelligent degree is high, and the labor intensity of the medical staff is reduced.
Owner:林晓燕

Educational information consulting and propagandizing device

The invention discloses an educational information consulting and propagandizing device. Universal wheels are arranged at the four corners of the bottom of a movable box body, a movable cover plate isarranged at the top of the movable box body, four first movable bases are arranged on the side face of the interior of the movable box body, and first sliding grooves are formed in the inner side faces of the first movable bases; a lifting mechanism is arranged at the bottom end of the interior of the movable box body, a propaganda box is arranged on one side of the top of the lifting mechanism,a video playing mechanism is arranged on the other side of the top of the lifting mechanism, a display mechanism is arranged on the rear side of the top of the lifting mechanism, and the propaganda box and the video playing mechanism are both located on the front side of the display mechanism; after the structure is adopted, the educational information consulting and propagandizing device can propagandize more simply and conveniently, poster propagandizing, video propagandizing and leaflet propagandizing are combined, the propagandizing effect is more perfect, meanwhile, the display mechanismis provided with the multiple sets of first display plates, various posters can be displayed conveniently, and propagandizing efficiency is improved.
Owner:马鞍山市棒棒贝贝教育咨询有限公司
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