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57 results about "Heat bath" patented technology

N-arylating method using pyrrole-2-hydrazide compound as ligand in aqueous phase system

The invention provides an N-arylating method with convenience, mild reaction condition, friendly environment and economical process in an aqueous phase system. An aryl bromide or iodide and amine are used as raw materials, water is used as a solvent, metallic copper or a copper oxide or cuprous salt or cupric salt is used as a catalyst, and a pyrrole-2-hydrazide compound is used as a ligand to produce a C-N coupled reaction; the N-arylating method comprises the following reaction processes: adding the catalyst, the ligand, an aryl halide, the amine, a surfactant and the water into a microwavereactor or a reaction vessel, and carrying out a stirring reaction by adopting a microwave auxiliary heating or ordinary heat bath heating mode; after the reaction is finished, separating a reaction mixed liquid and purifying to obtain an N-arylating product. The method of the invention has the characteristics of simple operation, wide application range of substrates, simple and easy separation of products, high yield, economical process, friendly environment and the like. The water is used as a reaction solvent, the substrates have wide application ranges, and the N-arylating method has broad application prospect in the aspect of preparing natural products, medicaments and pesticides.
Owner:SUN YAT SEN UNIV

Hot bath forming process of high-corrosion-resistance and easy-to-weld hot-pressing part

The invention provides a hot bath forming process of a high-corrosion-resistance and easy-to-weld hot-pressing part, and relates to the field of thin plate hot stamping and sheet metal part manufacturing. The process comprises the following steps of S1, heating a plated hot-formed steel plate in a heating furnace until the plated hot-formed steel plate is in a complete austenitizing state; S2, transferring the heated plated hot-formed steel plate into a boiling water tank, immersing the plated hot-formed steel plate in boiling water, and cleaning an oxide layer; S3, forming the coating hot forming steel plate under the combined action of boiling water, an upper mold and a lower mold, carrying out pressure maintaining and quenching, obtaining a part; and S4, taking out the part to perform air blowing or drying treatment in a drying furnace, and moisture in a plating layer of the part is removed. According to the process, the plate is immersed in the boiling water, a surface oxide layer is uniformly and controllably removed by virtue of bubbles generated between the boiling water and a hot plate, the forming temperature of the plate is uniformly and accurately controlled, and meanwhile, forming and quenching are performed in the boiling water, so that the production quality of parts can be improved, the service life of a mold is prolonged, and the production cost is saved.
Owner:SD STEEL RIZHAO CO LTD

Heating method and device of multifunctional carbon fiber electrically heated bath water heater

The invention discloses heating method and device for a multifunctional carbon fiber electric water heater. The heat in the cavity of the electric water heater is used for heating a cavity wing-type water heater which is arranged inside the upper transverse frame of a frame. The device comprises a double-frame electric heater and a cavity wing-type water heater. The cavity wing-type water heater is arranged inside the cavity of a frame sectional material (1) at the top end of the double-frame electric heater. The inlet end of the cavity wing-type water heater is connected in series with an electronic valve, a carbon ball filter (3) and a three-way piece (4) via a pipeline. One end of the three-way piece is connected with a solar hot water pipe, and the other end of the three-way piece is connected with a tap water pipe. One end of a three-way piece (7) which is arranged at the output end of the cavity wing-type water heater is connected with a shower via a pipeline, and the other end thereof is connected with a hot drinking water pipe (9) via a pipeline. The heating device is particularly suitable for heat supply and hot water supply. Since the heating device has water filtration and electrical leakage-protection functions and ensure the hygiene of drinking water and bath safety. The device has the advantages of low production costs, environmental friendliness, low energy consumption, protection against electrical leakage, comfortable use and low cost.
Owner:胡振永

Safe electromagnetically-heated footbath

The invention discloses a safe electromagnetically-heated footbath, which comprises a base, a footbath body, a master control circuit board, a coil, a water circulating system, a heating plate, an anti-scalding screen, a massage wheel and a foot rubbing stone. The coil is spirally coiled on a plane to be fixedly mounted below the bottom of the footbath body and electrically connected with a control circuit, the heating plate is fixedly mounted on the inner bottom of the footbath body and corresponds to the coil, and the heating plate and the coil are concentric. The safe electromagnetically-heated footbath is characterized in that the coil generates an alternating magnetic field to enable the heating plate at the inner bottom of the footbath body to generate an eddy for heating so as to heat bath liquid. The safe electromagnetically-heated footbath has the advantages that the footbath bottom is thin, and a gap between the heating plate and the coil is small, so that electrothermal conversion efficiency is high and electric energy is saved; maintenance is convenient and the service life of the footbath is long; and since the coil is integrally sealed and insulated from the heating plate by the nonmetal footbath body between the coil and the hating plate, electricity and heating are completed isolated, safety is greatly improved, and personal safety of a user taking foot bath is guaranteed.
Owner:HUAINAN UNITED UNIVERSITY

Full-automatic sampling device

The invention discloses a full-automatic sampling device, and belongs to the technical field of gas analysis. The full-automatic sampling device comprises a filter, and is characterized by further comprising a heat bath thermostat, wherein the heat bath thermostat comprises a stainless steel cylinder, an electric heater and a temperature control setter; the filter comprise a stainless steel tube and a stainless steel woven filter element; a heating tube is arranged inside the stainless steel woven filter element; the stainless steel tube and the stainless steel cylinder are connected through a flange; a sampling tube is arranged inside the stainless steel cylinder; a solenoid valve is connected with the sampling tube; the sampling tube is communicated with the sampling stainless steel woven filter element; a gas inlet tube is connected with the stainless steel cylinder; a back blowing solenoid valve is connected with the gas inlet tube; an escape pipe is arranged inside the stainless steel tube; a needle valve is connected with the escape pipe. Due to adoption of the heat bath thermostat, heat balance can be maintained, a sample gas is kept at relatively high temperature in the whole sampling process, moisture in the sample gas can be prevented from condensation and liquidation, the sample gas can be prevented from distortion, sampling stability can be ensured, and the sampling efficiency can be improved.
Owner:成都市倍诚分析技术有限公司

Method for simultaneously and efficiently extracting soluble sugar and organic acid from peach pulp

InactiveCN105021722AExtract efficiently and comprehensivelyReduce degradationComponent separationSucroseSaccharum
The invention discloses a method for simultaneously and efficiently extracting soluble sugar and organic acid from peach pulp. The method comprises, a, preparing an extraction agent according to a ratio of ethanol to 0.4% metaphosphoric acid aqueous solution of 80: 20V / V (pH of 4.1), and b, weighing peach pulp, adding the extraction agent into the peach pulp according to a material-liquid ratio of 1: 16, carrying out ultrasonic-assisted extraction for 1h, carrying out centrifugation, taking a supernatant, carrying out condensation by a condensation device until drying, and dissolving the extract in ultrapure water to obtain the soluble sugar and organic acid solution. The method for simultaneously and efficiently extracting soluble sugar and organic acid from peach pulp utilizes the extraction agent comprising ethanol and 0.4% metaphosphoric acid aqueous solution according to a ratio of 80: 20V / V, is free of additional condition of ice bath or heat bath, and realizes efficient and comprehensive extraction of soluble sugar and organic acid from peach pulp at a normal temperature. The extraction agent can delay extraction solution cane sugar degradation, does not produce obvious degradation conversion in four weeks, does not influence later experiment result reliability, and greatly saves materials, time and a cost.
Owner:JIANGSU ACAD OF AGRI SCI

Offshore solar illuminating and heating heat preservation bathroom

The invention provides an offshore solar illuminating and heating heat preservation bathroom. A foaming cement brick wall is enclosed on a buoyancy bottom plate; a double-inclined-plane or four-inclined-plane foaming cement house cover plate is arranged on the upper part of the foaming cement brick wall; a solar thermal collector is arranged on the outer side of the foaming cement brick wall on the sun facing side; a water inflow pipe is arranged in the solar thermal collector; the upper end of the water inflow pipe is communicated with a water storage tank which is arranged on the lower part of the foaming cement house cover plate; the lower part of the water storage tank is connected with a spray head through a pipeline; a solar cell panel is arranged on one surface of the foaming cement house cover plate on the sun facing side, and is connected with a storage cell arranged on the lower part of the foaming cement house cover plate through a guiding wire; and the storage cell is connected with light-emitting diode (LED) illuminating lamps arranged at the upper corners of an indoor wall surface through guiding wires. The offshore solar illuminating and heating heat preservation bathroom has the characteristics that the bathroom has floating performance and heat preservation performance and can be used for heating bath water and generating electricity for illumination through solar energy; and the bathroom is suitable to be used as a bathroom for baths in a bathing beach.
Owner:SUIZHONG ZHONGWEI TECH

Thermoelectric material, thermoelectric conversion element, and module group composed of combination of thermoelectric conversion elements and pi-type module group made of thermoelectric material and pi-type module group made of thermoelectric material other than such pi-type module group

The purpose of the present invention is to create a thermoelectric conversion system in which the thermoelectric conversion efficiency of a thermoelectric material is close to the Carnot efficiency, such thermoelectric material containing a "module group composed of a combination of thermoelectric conversion elements". The invention reduces as much as possible the thermal conductivity from anything other than a space portion or a working substance able to move inside a thermoelectric conversion element due to a connected space portion, in a new generation of thermoelectric materials which comprise a "module group composed of a combination of thermoelectric conversion elements", and which are thermoelectric materials that do not suffer damage from a load or heat retention and that are composed of thermoelectric conversion elements that do not suffer damage from a load or heat retention. The invention comprises reforming thermoelectric material surfaces sandwiching a space, or surfaces facing this thermoelectric material, to make an interface that is suitable for power generation, cooling, and heating operation. The purpose of the present invention is to produce an interspecific module superior to a "module group composed of a combination of thermoelectric conversion elements" and in contact with three or more different heat bath sources at room temperature or the like, and to produce a thermoelectric conversion system that comprises this module and has a thermoelectric conversion efficiency close to the Carnot efficiency.
Owner:马渊真人
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