35results about How to "Comply with temperature requirements" patented technology

The invention provides a supported ionic liquid catalyst for preparing vinyl acetate in an acetylene method, the catalyst adopts mesoporous molecular sieve as a carrier and adopts zinc acetate as an active component, and the carrier and the active component are connected by imidazole acetate ionic liquid. The invention further provides a preparation method of the catalyst and an application in preparing the vinyl acetate in the acetylene method. The active component of the zinc acetate of the supported ionic liquid catalyst is bond-coupled on the surface of the carrier in a chemical method and is not easy to be lost in the reaction process; the carrier of the mesoporous molecular sieve provides suitable reaction space for catalytic reaction, and carbon deposition is not easy to be generated; the ionic liquid forms a pseudophase liquid microenvironment on the surface of the catalyst, thus improving the mass transfer and heat transfer in the reaction process; and the catalyst has good stability, long service life, high activity and good selectivity.

The invention discloses a process of using calcium carbide to produce PVC. The method is characterized by including: enabling calcium carbide slag slurry going out of an acetylene generator to overflow into a settling basin for settling, discharging bottom slag slurry for other use, and returning supernatant after being cooled into the acetylene generator to serve as reaction water for preparing acetylene from calcium carbide; returning wastewater used for dedusting acetylene gas and after being cooled into the acetylene generator to serve as reaction water for preparing acetylene from calcium carbide; enabling hot water going out of a converter shell layer and after exchanging heat through a heat exchanger to enter the upper portion of a steam absorption tower to absorb heat evaporated by a hot water tank and then automatically flow into the hot water tank, wherein the heat exchanger is used in other processes. By the process, effective utilization of water resources is realized fully, and environment pollution caused by wastewater discharge is avoided; conversion heat of chloroethylene is utilized reasonably, so that energy conservation and consumption reduction are realized.

The invention discloses a multi-TG (glass transition temperature) carbon fiber wheel rim as well as a manufacturing method thereof. The wheel rim is manufactured from carbon fiber composite materials, and comprises two crossed side walls and a connecting axle; a tire position hole slot for placing an inner tire and a 'V'-shaped inner cavity body are formed in two border areas of the connecting axle in a spacing manner, and the tire position hole slot and the 'V'-shaped inner cavity body are ranked up and down; side walls, corresponding to and close to the tire position hole slot and the connecting axle, are braking sides; the braking sides and the connecting axle combine to form a structure with an 'H'-shaped cross section; two kinds or more than two kinds of epoxy resin carbon fiber materials with different TGs are adopted for the 'H'-shaped structure and the side wall corresponding to the inner cavity body. According to the multi-TG carbon fiber wheel rim disclosed by the invention, epoxy resin carbon fiber materials with high-TG higher than 180 DEG C are adopted for the braking area for bearing tire pressure, and the frame burning hazard of the rim is reduced effectively; not only is the safety of the rim improved, but also the requirements at two aspects of light weight and safety are considered; at the non-braking part, epoxy resin carbon fiber materials with low-TG lower than 180 DEG C are adopted, and thus the rim has favorable rigidity and toughness, and the impact strength of the rim is improved.

The invention discloses an energy storage wood material using alkylated boron nitride as a filler. The main steps of the method comprise: (1) carrying out lignin removing treatment on a wood materialto increase energy storage space; (2) copolymerizing glycidyl methacrylate and polyethylene glycol 400, and blending with glycidyl methacrylate to prepare an organic solvent; (3) dispersing boron nitride in a buffer solvent, adding dopamine hydrochloride, carrying out a reaction for a certain time at a room temperature to graft boron nitride onto dopamine, dispersing dopamine-modified boron nitride in N,N-dimethyl formamide, adding octadecyl isocyanate, and grafting boron nitride onto the alkyl chain under the action of a catalyst; (4) blending the alkylated boron nitride, the organic solventand polyethylene glycol 800 to prepare a phase change energy storage material; and (5) immersing the phase change energy storage material in the wood material by using a vacuum pressurizing full cellmethod to obtain a phase change energy storage wood material.

The invention provides a fumigating box and an electric fumigating oven with the fumigating box, belongs to the technical field of electric fumigating ovens, and aims to solve the technical problems that the fume supply time is shortened, a relatively great amount of materials can be consumed, and the like as the flowing speed of fume generated from a fume generator of a conventional fumigator is too high. The fumigating box comprises a box body and a box cover, wherein a material storage cavity for accommodating a fume generating material is formed inside the box body; the top surface of the box body is opened; the box cover is detachably connected onto the top of the box body and is used for sealing the opening of the box body; a fume storage cavity is formed inside the box cover; fume inlets for communicating the fume storage cavity with the material storage cavity are formed in the bottom surface of the box cover; fume outlets communicated with the fume storage cavity are formed in the top surface of the box cover; a fume baffle structure for retarding fume in the fume storage cavity from being discharged out is arranged inside the box cover. By adopting the fumigating box and the electric fumigating oven, the utilization rate of a fume generating material can be effectively increased.

The invention discloses an auxiliary heating type garbage treatment device. The auxiliary heating type garbage treatment device comprises a furnace body and a heat supply device; the furnace body comprises an upper furnace body and a lower furnace body which are arranged up an down, the heat supply device is used for conveying high-temperature gas, the upper furnace body is communicated with a furnace cavity of the lower furnace body, the upper furnace body is provided with an upper clamping cavity, an exhaust opening is formed in the upper clamping cavity, the lower furnace body is provided with a lower clamping cavity, and the lower clamping cavity is provided with an air inlet; a feeding opening is formed in the top of the upper furnace body, an air inlet pipe bundle is arranged in the lower furnace body, an auxiliary heating pipe is arranged above the air inlet pipe bundle and is provided with an air inlet end and an air exhaust end, the air inlet end of the auxiliary heating pipe is communicated with the lower clamping cavity, the air outlet end of the auxiliary heating pipe is communicated with the upper clamping cavity, and the heat supply device is communicated with the air inlet of the lower clamping cavity and is used for conveying high-temperature gas to the interior of the lower clamping cavity. According to the device, it can be effectively ensured that garbage in a combustion layer can be continuously combusted, the air outlet end of the auxiliary heating pipe is communicated with the upper clamping cavity, and the middle-low-temperature gas exhausted from the auxiliary heating pipe enters the upper clamping cavity so as to achieve heat preservation in the upper furnace body.

The invention discloses an energy storage wood with boron nitride as a filler and a control method for a semi-interpenetrating network. The main steps of the method are: (1) performing delignification treatment on wood to open cell wall gaps and increase energy storage space. (2) Glycidyl methacrylate and polyethylene glycol 400 are copolymerized, and then blended with glycidyl methacrylate to prepare an organic solvent. (3) Boron nitride is dispersed in a buffer solvent, and dopamine hydrochloride is added to react at room temperature for a period of time, so that boron nitride is grafted with dopamine. (4) Melt blending dopamine-modified boron nitride, an organic solvent and polyethylene glycol 800, and adjusting the material ratio and reaction conditions among the three to prepare a phase-change energy storage material. (5) The phase-change energy storage material is immersed in the wood by the vacuum pressurized full-cell method to obtain the phase-change energy storage wood.

The present invention relates to a method of rationally designed enzymes for the regeneration of ATP. Through rational design after sequence comparison, polyphosphate kinase derived from Sinorhizobium meliloti was mutated and heterologously expressed, and under its catalysis, polyphosphate with a low degree of polymerization was used as a phosphate donor to regenerate ATP. Compared with the existing ATP regeneration method, the polyphosphate kinase used in the present invention is an enzyme at room temperature, which can be coupled with various enzymatic reactions. Compared with polyphosphoric acid, tetrapolyphosphoric acid is more common and easy to obtain, which increases the feasibility of ATP regeneration and reduces the cost of ATP regeneration on the basis of simplifying the ATP regeneration process. The activity of PPK enzyme is not inhibited by the concentration of polyphosphate, which provides the possibility for industrial large-scale production.

The present invention relates to the technical field of traditional Chinese medicine, and relates to a rhizome detoxification nasal temperature-sensitive gel and a preparation method thereof. The rhizome rhizome detoxification nasal temperature-sensitive gel is extracted from the concentrate of Coptis rhizome and Cortex Phellodendri extracts, Scutellaria baicalensis and gardenia It is prepared by mixing the concentrated solution of liquid, poloxamer 407, poloxamer 188, polyethylene glycol 6000, and water. The rhizome rhizome detoxification nasal temperature-sensitive gel provided by the invention overcomes the shortcomings of unstable active ingredients and difficulty in reaching the lesion, and has a simple preparation process, easy-to-obtain raw materials, clear drug efficacy, low irritation, safety and stability, and is suitable for antibacterial and anti-inflammatory applications. Wide range.

The invention relates to a machine for monitoring cultivation environment of edible fungi, which is characterized by comprising a temperature detection probe, a control device, a blasting device, a heater, a heating air duct, a circulative air inlet duct and an air outlet duct, wherein the temperature detection probe is arranged in an edible fungi cultivation room; the control device is connectedbetween the temperature detection probe and the blasting device; an inlet end of the circulative air inlet duct is arranged in the edible fungi cultivation room while an outlet end of the circulativeair inlet duct is connected with an inlet end of the heating air duct; the heating air duct passes through the heater, and an outlet end of the heating air duct is connected with an inlet end of the blasting device; and an inlet end of the air outlet duct is connected with an inlet end of the blasting device, and an outlet end of the air outlet duct is arranged in the edible fungi cultivation room. The invention aims to provide the machine for monitoring the cultivation environment of the edible fungi, which can regulate and control the temperature of the edible fungi cultivation room.

The invention provides a mobile emergency natural gas supply system. The mobile emergency natural gas supply system comprises a water bath type vaporizer which is arranged on a skid-mounted vehicle, an ambient air vaporizer, a first liquefied natural gas inlet pipeline, a second liquefied natural gas inlet pipeline, a first gaseous natural gas outlet pipeline and a second gaseous natural gas outlet pipeline; the first liquefied natural gas inlet pipeline is connected with a liquid phase inlet end of the ambient air vaporizer; the second liquefied natural gas inlet pipeline and the second gaseous natural gas outlet pipeline are respectively connected with a fluid phase inlet end and a gaseous phase outlet end of the water bath type vaporizer; a gaseous phase outlet end of the ambient air vaporizer is connected with a combustor which is arranged inside the water bath type vaporizer; one end of the first gaseous natural gas outlet pipeline is connected with the gaseous phase outlet end of the water bath type vaporizer; and the other end of the first gaseous natural gas outlet pipeline is connected with the combustor which is arranged inside the water bath type vaporizer. The invention also provides a mobile emergency natural gas supply method using the mobile emergency natural gas supply system. The mobile emergency natural gas supply system and the mobile emergency natural gas supply method have the advantages of being large in gas supply capacity, high in temperature of the gaseous phase outlets, capable of achieving continuous gas supply, rapid in starting and capable of adapting to a mobile gas supply requirement.