299results about How to "Extended reaction time" patented technology

The invention relates to a rotary distributed quartz sand high-temperature chlorination furnace which comprises a chlorination furnace body, a gas conveying pipe, a rotating device, a heating body, a furnace shell and a bracket, the upper end of the chlorination furnace body is externally connected with a temperature measuring galvanic couple, a gas pressure sensor and a feed port, the lower end of the chlorination furnace body is externally connected with an exhaust port and a discharge port, the inner wall of the chlorination furnace body is provided with a baffle, and the periphery of the chlorination furnace body is provided with a heating body, a furnace shell and a bracket; the gas conveying pipe enters the chlorination furnace body from the lower end of the chlorination furnace body and is close to the upper end; two gas outlets are formed in the top end of the gas conveying pipe. The chlorination furnace body is installed in the furnace shell in an inclined mode and can be driven by the rotating device to rotate slowly so as to drive quartz sand to slide from top to bottom in the furnace, and continuous high-temperature chlorination treatment on the quartz sand is achieved; the baffles on the inner wall of the furnace body can effectively disperse the quartz sand, increase the contact area and reaction time of the quartz sand and the chlorinating agent, fully remove the content of alkali metal impurities and improve the purity of the quartz sand. And the structure is sealed, so that the requirement of the quartz sand chlorination reaction on the pressure in a specific range can be met.

The invention discloses an indirect ELISA kit for rapidly detecting a porcine epidemic diarrhea virus IgA antibody and application of the indirect ELISA kit, and belongs to the technical field of immunology. The invention provides a recombinant PEDV-RBD protein. The amino acid sequence of the recombinant PEDV-RBD protein is shown as SEQ ID NO. 3. The indirect ELISA kit for detecting the porcine epidemic diarrhea virus IgA antibody is constructed based on the recombinant PEDV-RBD protein, the PEDV IgA antibody in pig breast milk or serum can be accurately captured for detection, the kit has the advantages of high sensitivity and strong specificity, and a technical means is provided for prevention and control of porcine epidemic diarrhea.

The invention relates to the technical field of automatic response, in particular to an industrial fireproof wind-resistant door automatic response system, which comprises an environment monitoring module, a door control analysis module, a door control adjustment module and an abnormity monitoring module, and is characterized in that the environment monitoring module performs data aggregation based on temperature, smoke concentration and wind speed data received in real time; and calculating an average value and a standard deviation of the data, analyzing an environment change prediction trend in a short period, and generating environment baseline data. According to the method, trend prediction and periodic analysis are performed on the environmental data by applying the ARIMA model, so that the closing speed and force of the fireproof and wind-resistant door can be adjusted according to the prediction result before a fire disaster or strong wind occurs, and the response time and efficiency of the door leaf are optimized; the isolation forest algorithm enables the system to effectively identify and analyze the abnormal mode in the sensor data flow, improves the diagnosis accuracy of the equipment fault, improves the reliability, reduces the dependence of the system on manual intervention, and effectively protects the safety and stability of industrial facilities.

The present invention discloses a method for upgrading polyester materials to dicarboxylic acid esters and ethylene carbonate, and relates to the comprehensive utilization of waste resources and the cascade utilization of raw materials. The method uses multiple types of green ionic liquid catalysts to catalyze the methanolysis reaction of PET, and then dimethyl carbonate captures the generated ethylene glycol in situ, forms a five-membered cyclic ethylene carbonate through nucleophilic cyclization, pulls the reaction equilibrium to move forward, and completely depolymerizes PET waste. The products of the method of the present invention are dimethyl terephthalate and five-membered cyclic ethylene carbonate. The present invention can be used for the depolymerization and upgrading of waste PET materials, and can also be used for other similar polyesters, such as polyethylene succinate, polyethylene adipate and polyethylene 2,5-furan dicarboxylate, which are also suitable for the recovery strategy of the present invention, and the products are the corresponding dimethyl succinate, dimethyl adipate and 2,5-furan dicarboxylate.

The system comprises a first reaction unit and a second reaction unit which are connected in series, and the second reaction unit comprises an alkali dissolution device and an acid extraction device which are connected in series; in the first reaction unit, nitric acid oxidizes lignite to generate fulvic acid, and a separated solid phase sequentially passes through an alkali dissolution device and an acid extraction device to obtain humic acid; the system further comprises a tail gas buffering device, the tail gas buffering device is connected with the first reaction unit and the acid extraction device, and NOx generated by the first reaction unit enters the acid extraction device through the tail gas buffering device. According to the system for co-producing the fulvic acid and the humic acid, the fulvic acid and the humic acid are obtained through one-step activation reaction, and co-production is achieved by separating reaction products; nOx generated by activation reaction is introduced into the acid extraction device, so that the pH value in the acid extraction device is 1-2, ulmic acid and humic acid are extracted, and the product precision is improved.

The invention provides a mine hoist skip damping hook visual detection device which comprises a box body, upper hook plates are arranged on the two sides of the upper portion of the box body, and a sensor can be effectively protected against physical damage by arranging a buffer groove and a damping spring. The buffering and damping disc is matched with the fanning strip and the buffering groove to form a damping system, the buffering groove in the fanning strip provides insertion space for the sensor buffering rod, and the damping effect can be further improved. When vibration occurs, the damping disc and the structure thereof can disperse and absorb vibration energy, so that the sensor is protected from being damaged. The sensor mounting slot provides a stable platform for fixing the sensor, and ensures that the sensor can keep correct detection direction and position even under severe conditions. The combination of the linkage telescopic rod and the telescopic rod sleeve allows the sensor unit to flexibly displace within a certain range to adapt to the position change of the skip bucket hook, so that the sensor position deviation caused by equipment movement is reduced, and the detection precision is improved.

According to the method, joule heat is adopted for high-temperature gasification and flash evaporation of impurity metal in the waste lithium battery graphite leaching residues, synchronous deep impurity removal and metal removal and graphite lattice structure repair are achieved, traditional acid leaching, multi-step impurity removal, long-time high temperature and other multi-step procedures are replaced, the highest graphite purity reaches 99.7%, and the method is suitable for industrial production. The purity of the lithium carbonate reaches up to 99.5%, a large amount of greenhouse gas and high-salinity wastewater are prevented from being discharged, impurity metal is directionally refined and purified into the battery-grade lithium carbonate material, and an efficient, green and economical closed-loop treatment method and a high-value utilization method are provided for treating the waste lithium battery graphite leaching residues and battery-grade precursors.

The utility model discloses a desulfurizing absorption tower synergistic device which comprises a multiphase flow reinforced rotary-cut turbulent flow unit arranged at the upper part in a tower body of a first-stage absorption tower, and the multiphase flow reinforced rotary-cut turbulent flow unit is arranged between a spraying layer and a flue gas inlet in the absorption tower; the multiphase flow reinforced rotary-cut turbulent flow unit comprises a horizontal mounting plate and a turbulent flow module arranged on the mounting plate; the turbulent flow module comprises an inner cylinder, a middle cylinder and an outer cylinder, the inner cylinder is sequentially sleeved with the middle cylinder and the outer cylinder, first blades are evenly distributed between the middle cylinder and the outer cylinder in the circumferential direction, and second blades are evenly distributed between the inner cylinder and the middle cylinder in the circumferential direction. Slurry sprayed by the spraying layer and rising flue gas are fully mixed under the action of the multiphase flow reinforced rotary-cut turbulent flow unit and then fall to the bottom of the absorption tower. The spirally rising flue gas can increase the gas-liquid contact area and improve the gas-liquid mass transfer rate, so that the desulfurization and dust removal efficiency is improved.

The invention provides a ship power device fault monitoring method and system based on a principal component analysis method, which are applied to the technical field of ship power monitoring, and the method comprises the following steps: determining a covariance matrix of a standardized data matrix; performing eigenvalue decomposition on the covariance matrix to obtain a plurality of standard eigenvectors and a plurality of eigenvalues respectively corresponding to the plurality of standard eigenvectors; determining the number of a plurality of principal components of the principal component analysis model and the cumulative variance contribution rate of the plurality of principal components; determining the variable quantity of the test vector in the principal component space as a first statistic, and determining the squared value of the projection of the test vector in the residual space as a second statistic; when the first statistical magnitude is greater than a first statistical magnitude threshold value or the second statistical magnitude is greater than a second statistical magnitude threshold value, determining the contribution rate of each monitoring parameter in the test vector; taking the monitoring parameters of which the increase values of the contribution rates are greater than a preset contribution rate threshold value as abnormal parameters; according to the invention, abnormal parameters can be monitored in time at the early stage of an accident.

The utility model discloses a bridge collision risk active early warning system, which belongs to the technical field of bridge safety, and comprises a master control system and a plurality of equipment nodes, different equipment nodes are arranged at different positions of a bridge, and ship navigation is monitored by arranging a ship scanning radar, an AIS signal acquisition device, a navigation channel special camera and the like. And when a collision risk exists, personnel and vehicles are warned through sound, light and electric equipment such as high-frequency broadcasting equipment, a roadside warning screen and a roadside strobe warning lamp. The active early warning system adopts sound, light, electricity and other multidirectional early warning modes to prompt passing personnel, bridge floor working personnel, vehicles and the like, the response time of collision accidents can be effectively prolonged, evacuation of the personnel and the vehicles is better guaranteed, and life safety and property safety are guaranteed.

The invention discloses sulfonated polyether ether ketone and a preparation method thereof, and relates to the technical field of high polymer materials, the method comprises the following steps: taking 4, 4 '-difluorobenzophenone, bisphenol A and potassium 2, 5-dihydroxybenzenesulfonate as raw materials, taking potassium carbonate as a catalyst, taking dimethyl sulfoxide and xylene as solvents, stirring and introducing nitrogen, and reacting at 140 DEG C for 90 minutes; raising the temperature to 155 DEG C, continuously reacting, and separating condensed water and xylene out of a reaction system in the reaction process; adding an end-capping reagent to terminate the reaction to obtain a yellow jelly; introducing the yellow jelly into ethanol, soaking, crushing, washing and drying to obtain sulfonated polyether-ether-ketone; in the first step, the particle size of the potassium carbonate is 30-300 meshes. By adopting potassium carbonate with smaller particle size, the temperature of the condensation reaction can be reduced from 180 DEG C to 155 DEG C, and the reaction time is shortened, so that the decomposition of dimethyl sulfoxide can be avoided, no malodorous gas is generated in the preparation process, the potential safety hazard is eliminated, and the purity of the product is improved.

The utility model belongs to the technical field of sludge treatment, and relates to a continuous dynamic accurate sludge conditioning device which comprises a feeding unit, a first stirring unit, a second stirring unit and a control unit, the feeding unit comprises a feeding pipeline as well as a sludge concentration detector, a flowmeter and a pH detector which are arranged on the feeding pipeline, and the first stirring unit comprises a first stirring tank, a first stirring assembly arranged in the first stirring tank, a first stirring motor connected with the first stirring assembly and a PAC adder arranged on the first stirring tank; the second stirring unit comprises a second stirring tank, a second stirring assembly arranged in the second stirring tank, a second stirring motor connected with the second stirring assembly and a PAM adding device arranged on the second stirring tank. According to the device, the solid quantity and the pH value in the sludge are detected on line, so that a conditioner is accurately added, the conditioning cost is lower, and subsequent products are more environment-friendly.

The invention discloses a method for preparing lithium carbonate and lithium phosphate by extracting lithium from glass polishing waste residues. The method comprises the following steps: (1) wet leaching; (2) acid recovery; (3) nanofiltration and impurity removal; (4) deeply removing impurities; (5) concentrating and precipitating lithium: evaporating and concentrating the filtrate obtained in the step (4) until the concentration of Li is greater than or equal to 20g / L, then heating, adding a sodium carbonate solution, carrying out lithium precipitation reaction to obtain a lithium carbonate solid and a mother solution after lithium precipitation, and drying the lithium carbonate solid to obtain an industrial-grade lithium carbonate product; and then preserving heat of the mother liquor after lithium precipitation, adding a phosphate solution into the mother liquor after lithium precipitation, reacting, filtering and drying to obtain a lithium phosphate product. According to the invention, lithium in the glass polishing waste residue is recycled to obtain lithium carbonate and lithium phosphate products; more than 70% of the used acid is recycled, so that the operation cost is greatly reduced; high-temperature roasting is not needed, the energy consumption is low, and the method is an efficient and energy-saving technology.

The invention discloses a hydrogen fuel cell cathode gas supply system which comprises a hydrogen fuel stack, and a gas separator, a gas-liquid separator and a circulating fan are sequentially connected between a cathode inlet of the hydrogen fuel stack and a cathode outlet of the hydrogen fuel stack to form a residual oxygen circulation loop; a layer of oxygen separation membrane is arranged in the gas separator to divide the gas separator into a compressed gas cavity and an oxygen gas cavity; the gas-liquid separator and a cathode inlet of the fuel stack are respectively connected to two sides of the oxygen gas cavity; an exhaust electromagnetic valve is arranged on one side of the compressed gas cavity, and the other side of the compressed gas cavity is sequentially connected with a gas compressor and an air filter to form a fresh air inlet path; the method has the advantages that the membrane electrode can be kept moist, the reaction time can be prolonged, and the oxygen concentration and the utilization rate can be improved.

The invention relates to the technical field of carbon capture, and discloses a device for absorbing carbon dioxide and application thereof. The device is characterized by comprising a reaction absorption tower (4), a flue gas conveying pipeline (5), a circulating pipeline (8) and a micro-channel device (10), wherein a partition plate (9) is arranged in the reaction absorption tower (4), and the reaction absorption tower is divided into a reaction cavity (2) and a circulation cavity (15) by the partition plate; wherein a disperser (3) is arranged in the reaction absorption tower (4); wherein the microchannel device (10) is provided with a sudden expander (16). When the device is used for absorbing carbon dioxide, the effect of improving the carbon dioxide removal rate can be achieved.

The invention relates to the technical field of aerobic treatment biology, and discloses an aerobic treatment biological synergistic process which comprises the following steps: adding sewage or organic waste or biogas residue / biogas slurry into a first flora culture tank; adding a PH regulator to regulate the PH value; and introducing gas into the first flora culture tank by using an air blower for stirring. According to the aerobic treatment biological synergistic process, the targeted dominant flora can be autonomously cultured according to different treatment objects, and the autonomously cultured flora is automatically added by monitoring various parameters, so that the aerobic reaction process is accelerated, the reaction degree is improved, the reaction time of aerobic treatment is shortened, the process treatment effect is improved, and the treatment cost is reduced. For a sewage aerobic biological treatment process, the COD (Chemical Oxygen Demand) removal rate can be improved; for a process for producing an organic fertilizer through aerobic treatment of organic wastes, the decomposition degree of the organic fertilizer can be improved, the quality of the organic fertilizer can be improved, manual operation is not needed, full-automatic control operation can be realized, meanwhile, dependence on external bacteria or flora is avoided, and the method is worthy of popularization.

The application provides a preparation method of a two-dimensional layered silicate mineral film treated by a reducing modifier, which comprises the following steps: firstly, organic modification of a two-dimensional layered silicate mineral by a reducing ionic liquid; then, loading of the reducing modifier into the interlayer of the two-dimensional layered silicate mineral; and finally, construction of a two-dimensional channel by vacuum filtration to prepare a film with a thickness of 5-20 microns. The two-dimensional layered silicate mineral film obtained by the method has a large surface area and can effectively treat heavy metal Cr(VI). The construction of the two-dimensional channel provides a limited space for the reducing modifier to prevent oxidation and provides abundant sites for the oxidation-reduction reaction in the nanopore channel, and solves the problems of desorption difficulty and secondary pollution caused by the traditional adsorption method for treating heavy metals.

The invention discloses a method for upgrading polyester depolymerization to carboxylic acid ester and boric acid ester by catalyzing ionic liquid, which relates to the comprehensive utilization of waste resources and the cascade utilization of raw materials. The method uses multiple types of green ionic liquid catalysts to catalyze the methanolysis reaction of PET, and then phenylboronic acid captures the generated ethylene glycol in situ, and forms different types of five-membered cyclic boric acid esters through dehydration and cyclization. The products of the method of the invention are carboxylic acid ester and different five-membered cyclic boric acid esters. The invention can be used for the depolymerization and upgrading of waste PET materials, and can also be used for other similar polyesters and polycarbonates, such as polyethylene adipate, polyethylene succinate and polypropylene carbonate, which are also suitable for the recovery strategy of the invention, and the products are corresponding boric acid ester, dimethyl succinate and dimethyl adipate.

The present invention provides a 3-chloro-5-hydroxy-2-pentanone synthesis method, which comprises: mixing furfural, water and hydrogen, introducing the mixture into a fixed bed reactor filled with a first catalyst, and sequentially carrying out a hydroxylation reaction, a 1, 4-hydrogenation reaction and a ring-opening reaction to obtain a 5-hydroxy-3-ene-2-pentanone crude product; and mixing the 5-hydroxy-3-ene-2-pentanone crude product and hydrogen chloride gas, introducing the mixture into a fixed bed reactor filled with a second catalyst, and carrying out an addition reaction to obtain the 3-chloro-5-hydroxy-2-pentanone. The preparation method has the following advantages: the raw material furfural is low in price, and meanwhile, a relatively dangerous oxidant is prevented from being used; the process route is simple, the yield is high, and green chemical requirements are met; a fixed bed reactor is adopted for continuous catalytic preparation, the technological process is uninterrupted, and the automation degree is high; the bottleneck problem of scale limitation of kettle type reaction is solved, the reaction time is prolonged, the reaction efficiency is improved, and side reaction is inhibited to the greatest extent.

The invention provides a fruit growth regulator and bacteriostatic preservative as well as a preparation method and application thereof, and belongs to the technical field of preservation, pomace is taken as a raw material, and pomace microfibrillated cellulose, pectin and seed oil containing phenolic substances are extracted through organic acid treatment, DES reagent auxiliary mechanical treatment, ethanol water treatment and other treatments; then carrying out hydroformylation modification on nano cellulose, grafting chitosan, and compounding with pectin to obtain dialdehyde microfibrillated cellulose-chitosan-pectin composite particles with pH response performance, and taking the dialdehyde microfibrillated cellulose-chitosan-pectin composite particles as a stabilizer of a Pickering emulsion; the green growth regulator solution is used as a continuous phase, the seed oil mixed Chinese herbal medicine extract is used as a dispersion phase, the controlled-release Pickering emulsion with growth regulation and bacteriostasis effects is prepared, the prepared emulsion is sprayed on berries to form a film layer, the growth process of the berries can be regulated, the fruit yield and quality are improved, and the quality of the berries is improved. And antibacterial substances can be slowly released for preservation when berries are picked and stored.

The utility model discloses a spray tower for a laboratory, which comprises a treatment tower, a reaction tank is arranged in the treatment tower, and the left side of the treatment tower is communicated with a gas inlet pipe. Through the arrangement of the stirring blades, waste gas is introduced into the gas inlet pipe and enters the reaction tank to be in contact reaction with absorption liquid, the rotating motor is started to drive the driving bevel gear to rotate, and the driving bevel gear is meshed with the transmission bevel gear on the right side to drive the transmission rod to rotate; the transmission rod rotates to drive a transmission bevel gear on the left side of the transmission rod to be meshed with a driven bevel gear, so that the driven bevel gear drives a rotating rod to rotate, the rotating rod rotates to drive stirring blades on the two sides to rotate to enable absorption liquid in the reaction tank to form vortex, and the vortex enables waste gas bubbles in the absorption liquid to spirally rise; therefore, the reaction time of bubbles in the absorption liquid is prolonged, the reaction is more sufficient, the treatment efficiency of toxic gas is greatly improved, the use of a user is facilitated, and the practicability of the spray tower is improved.

The utility model discloses a copper oxide preparation device in the field of conductive film production, which comprises a feeding mechanism and a reaction tank body, the feeding mechanism comprises a copper powder feeding bin, and the copper powder feeding bin is communicated with the reaction tank body through a conveying pipe; a circulating gas conveying mechanism is arranged on the reaction tank body, so that oxygen reacts with the copper powder entering the reaction tank body; a discharge port is formed in the bottom of the reaction tank body and communicated with the copper dissolving tank, a valve element is arranged at the discharge port and connected with a driving assembly, and the driving assembly drives the valve element to move up and down in the axial direction of the discharge port so as to close or open the discharge port. The utility model solves the problems that the existing copper oxide production and processing equipment is relatively complicated in structure and high in manufacturing cost, can reduce the production cost, can timely generate and supply copper oxide at any time according to the requirements of a copper dissolving system, is high in flexibility, and reduces the pressure of logistics, storage and the like of copper oxide powder.

The invention discloses a high-stability povidone-iodine preparation, including polyvinylpyrrolidone K30 15.0%-25.0%, refined iodine 10.0%-12.0%, ethanol 20.0%-30.0%, potassium iodide 2.0-4.0%, organic acid 0.1-1.0%, organic acid salt 0.1-2.0%, surfactant 1.0%-3.0%, stabilizer 1.0%-5.0%, and the rest is water. Compared with the prior art, the invention has the beneficial effects that the povidone-iodine preparation obtained by the invention has good stability, low reaction temperature during the reaction, short total reaction time (only 4h-6h), high iodine yield (low degradation rate), can improve production efficiency, and reduce production energy consumption.

The utility model relates to the technical field of water circulation cooling towers, in particular to a low-scaling-rate water-cooling tower water distributor which comprises a water distributor shell, a water insulation pad is movably installed in the water distributor shell, a hole is formed in one side of the upper surface of the water distributor shell and is communicated with a medicine injection pipe, and the water distributor further comprises an electric telescopic rod. The electric telescopic rod is embedded in the outer side of the upper surface of the water distributor shell; wherein the bottom end of the electric telescopic rod penetrates through the water distributor shell and is fixedly connected with the upper surface of the waterproof pad. The utility model solves the problem in the prior art that the equipment is easy to damage when the scale is removed.

The utility model provides gas-liquid reaction equipment which comprises a tower main body, a gas-liquid separator and a gas-liquid separator, the reaction assemblies are arranged in the reaction space, each reaction assembly comprises a filler component, the filler component forms a structural area penetrating through the filler component in the longitudinal direction, and the pore diameter of the structural area becomes smaller and smaller from the topmost end to the bottommost end; and the spraying head sprays towards the top of the tower main body, and the spraying head is located in the structural area, so that liquid sprayed by the spraying head enters the structural area. As the pore diameter of the structural area is smaller and smaller from the topmost end to the bottommost end, the gas can flow through a wider and wider channel in the process of flowing upwards along the structural area, and the flow speed of the gas is slowed down due to the widening of the channel when the gas passes through the pore diameter change part every time, so that the reaction time of the gas and the liquid is favorably prolonged, and the reaction efficiency is improved. And the reaction efficiency of gas and liquid is effectively improved.

The invention discloses a method for synthesizing ziram. The method comprises the following steps: S1, stirring a compound surfactant and zinc oxide to obtain a dispersion liquid; s2, sealing and pressurizing, and adding dimethylamine for reaction to obtain a dimethylamine salt mixture; and S3, dropwise adding carbon disulfide, performing condensation reaction, and removing impurities to obtain the ziram, wherein the compound surfactant contains at least one of a nonionic surfactant, an anionic surfactant or a macromolecular surfactant. According to the method, the efficient and green synthesis of the ziram is realized through the synergistic effect of a compound surfactant system, a sealed pressurized reaction and a progressive charging sequence.

The invention relates to the technical field of preparation of multi-element layered double hydroxides, and particularly discloses a microwave-assisted LDHs organic functionalization method based on steel slag, which comprehensively uses ultrasonic treatment, microwave heating, magnetic field-assisted arrangement, temperature control phase change and laser fine regulation and control technologies, and aims to realize transformation from waste materials to high-performance materials. And meanwhile, the performance of the material can meet strict industrial application standards. The method comprises the following steps: firstly, pretreating steel slag by using an ultrasonic technology, destroying the structure of the steel slag through high-frequency vibration and a cavitation effect, and releasing valuable metal ions; then, the treated steel slag is mixed with an organosilane compound, rapid heating is conducted under the assistance of microwaves, and nucleation and organic modification of LDHs are promoted. Through the series of treatment, the efficiency of recycling valuable materials from the steel slag is remarkably improved, the functionality and application potential of the materials are remarkably improved, and the method is suitable for the fields of high-end electrons, catalysts, environment treatment and the like.

The utility model belongs to the technical field of temperature sensors, and particularly discloses a quick-response heat-conducting and insulating temperature sensor, which comprises an insulating body, a metal shell is arranged on the insulating body, a heat-conducting and insulating plate is accommodated in the metal shell, a temperature sensing element is electrically connected onto the heat-conducting and insulating plate in a patch manner, and the temperature sensing element is electrically connected with the metal shell. One surface of the heat-conducting insulating plate is in conductive connection with the metal shell, and the other surface of the heat-conducting insulating plate is in heat-conducting connection with the temperature sensing element. According to the quick-response heat-conducting insulating temperature sensor, one surface of the heat-conducting insulating plate is in conductive connection with the metal shell, and the other surface of the heat-conducting insulating plate is in heat-conducting connection with the temperature sensing element, so that the temperature sensing element can quickly sense the temperature change through the heat-conducting insulating plate and the metal shell, the response time is shortened, and the insulating and pressure-resistant performance is improved; and the temperature measurement is more sensitive and accurate.

The utility model discloses a super-adiabatic pure oxygen burner which comprises a burner shell penetrating through and fixedly connected to the wall of a hearth, the peripheral wall, located on the upper side of the wall of the hearth, of the burner shell is wrapped with refractory materials in the hearth, and an ignition rod and an annularly-arranged fuel spray pipe are arranged in the burner shell. The control module is electrically connected with the adjusting execution module, the adjusting execution module is connected with the ignition rod and the annularly-arranged fuel spray pipe through two fuel pipes, a first-stage super-adiabatic combustion reaction disc is fixed to the inner wall of the upper end of the combustor shell, a second-stage super-adiabatic combustion reaction disc is arranged above the first-stage super-adiabatic combustion reaction disc, and a second-stage super-adiabatic combustion reaction disc is arranged above the second-stage super-adiabatic combustion reaction disc. And the second-stage super-adiabatic combustion reaction disc is fixedly connected with the hearth wall through a plurality of adjustable fire-resistant supporting rods, and an oxygen inlet is formed in the lower end of the side wall of the combustor shell. According to the super-adiabatic pure oxygen burner, the performance of energy conservation and emission reduction of the burner is improved, the heat efficiency of the burner is obviously improved, and generation of CO can be restrained easily.

The invention provides an anthracene hydrogenation catalyst and a preparation method thereof. The anthracene hydrogenation catalyst comprises a metal active component, a metal additive and a composite oxide carrier, the metal active components are Ni and Cu, the metal additive is Zn, and the composite oxide carrier is SiO2.gamma-Al2O3. The anthracene hydrogenation catalyst aNi-bCu-cZn / dSiO2.e gamma-Al2O3 disclosed by the invention has excellent activity, and under the condition that anthracene is completely converted, the required reaction temperature is 220 DEG C, the pressure is 2.5 MPa and the reaction time is 3 hours; the reaction temperature of the anthracene hydrogenation catalyst in the prior art is 275 DEG C, the pressure is up to 4 MPa, and the reaction time is 4 hours under the condition that anthracene is completely converted, that is, higher reaction temperature, higher reaction pressure and longer reaction time are required in the prior art, and the reaction conditions are harsh.