31results about How to "Avoid uneven response" patented technology

The invention discloses a high-temperature and high-dust SCR denitrification device for a cement kiln, which includes a reaction component and an ammonia injection component. The hole overflows into the connecting pipe, and the connecting pipe, connecting plate and ammonia storage tank form an ammonia circulation pipeline. The ammonia gas enters the nozzle from the circulation pipeline and overflows into the reaction vessel body to react with flue gas. The power output end of the motor Drive the rotating cover to rotate to realize the rotation process of the connecting pipe. The connecting pipe drives the connecting plate, ammonia storage tank and ammonia delivery pipe to move together, so that the overflow point of ammonia gas changes continuously inside the reaction vessel body, and the setting of the rubber ring does not affect The moving process of the ammonia pipe can also ensure the airtightness of the reaction vessel to the greatest extent, so that the flue gas inside the reaction vessel can fully react with the ammonia gas, avoid the uneven reaction between the flue gas and the ammonia gas, and improve the denitrification reaction efficiency.

The invention relates to a processing technology of a diaper, which comprises a diaper main body. The diaper main body is provided with a surface layer, a flow guide layer, an absorbent core layer and a bottom film layer sequentially from top to bottom, and the absorbent core layer is arranged from bottom to top. It includes a dust-free paper layer and a superabsorbent material layer in sequence, and the superabsorbent material layer is processed by mixing antibacterial superabsorbent resin microspheres and fluff pulp in a mass ratio of (3-4):(7-6). The antibacterial polymer water-absorbing resin microspheres used in the diapers of the present invention, its synthesis method is an improvement of the method for synthesizing polymer water-absorbing resin by the solution method, adding magnetically ordered mesoporous carbon nanospheres with multi-channel, regular pore diameter, and large specific surface area. The ball is used as a carrier to improve the efficiency of the polymerization reaction, the product polymer water-absorbing resin microspheres have uniform properties, and the post-treatment process is simple.

The invention relates to a preparation method of a 1, 2-dioxetane derivative. The 1, 2-dioxetane derivative is a compound shown in a formula I. The preparation method comprises the following steps of taking a compound shown in a formula II and adamantanone; performing Wittig reaction to synthesize a compound shown in a formula III; performing phosphorylation to obtain a compound shown in a formula IV; and performing oxidation reaction to obtain the 1, 2-dioxetane derivative. The preparation method of the 1, 2-dioxetane derivative has the advantages that safety is high; production cost is low; and industrial production of the 1, 2-dioxetane derivative is facilitated.

A high-efficiency composting device, comprising a reaction tank, a vent pipe, a coil, an energizing mechanism, and a placement mechanism; the vent pipe is arranged horizontally below the reaction pot, and the coil is longitudinally arranged on the top of the reaction pot. The coil is electrically connected to the energizing mechanism; the placement mechanism is provided on the inner wall of the reaction tank. The beneficial effects of the present invention are: (1) the electric operation can realize the placement and discharge of compost on the placement plate through magnetic control, avoiding the inconvenience and cost increase caused by manual operation; (2) the present invention is simple in operation, simple in structure and low in cost , which not only solves the rationalized treatment of agricultural waste and waste, but also the treatment method is also environmentally friendly and energy-saving; (3) The final beneficial effect of composting is obvious and easy to control, and the oxygen supply is sufficient and uniform to avoid the phenomenon of uneven reaction.

The present invention relates to a synthesis method and application thereof of superabsorbent resin microspheres with antibacterial properties. The steps of the synthesis method are as follows: Step S1: Add a certain amount of magnetically ordered mesoporous carbon nanospheres and Polymer dispersant, fully stirred evenly, then vacuum and / or ultrasonic assisted degassing treatment for 1‑2h, added a certain amount of acrylic acid and stirred evenly, and the temperature was controlled at 35‑45°C; Step S2: Add a certain amount of sodium hydroxide to In the system of step S1, stir while adding, and control the temperature of the reaction process at 65-75°C; step S3: add a certain amount of composite crosslinking agent and initiator, control the temperature at 80-90°C and react for 2-3 hours to form a semi-finished product with high water absorption Resin colloid, the composite cross-linking agent is a mixture of NMBA and PEGDA; step S4: the superabsorbent resin colloid of step S3 is placed in a certain amount of solvent and rinsed for 1-3 times, mixed with a certain amount of nano-silver antibacterial agent, Dried until the water content is lower than 3%, crushed to a certain particle size, and magnetically separated to obtain the finished product of the superabsorbent resin.

The invention provides a device for the real-time measurement of a sun polarization stokes vector. The device comprises a spectral filter, a wave plate array, a polarizer array and a light intensity acquisition camera. A solar magnetic field provides a driving force and an energy source for the activity outbreak of the sun, while the measurement on the sun polarization stokes vector is the only way for the detection of the solar magnetic field. According to the technical scheme of the invention, a novel device for the real-time measurement of the sun polarization stokes vector is provided. Based on the micro-optical technology principle, the microwave plate array is prepared. On the above basis, the micro-polarizer array is prepared and is attached to the photosensitive surface of the light intensity acquisition camera. In this way, the information of the sun polarization stokes vector can be obtained through the single-exposure process. Compared with a conventional device, the above device is compact in structure and high in real-time property. Meanwhile, the device does not need to be finely tuned or manually operated, and is wide in spectral response range, low in cost and suitable for mass production. At the same time, the occurrence of detection errors, due to the non-uniform response of the camera, aberration and the like, can be avoided. The device can be conveniently extended and applied to other application fields.

The invention relates to method for synthesizing castor oil polyoxyethylene polyoxypropylene ether, and belongs to the technical field of synthesis of organic compounds. Raw materials comprise castor oil, ethylene oxide and epoxypropane, A Mg-Al catalyst is added to the castor oil, and vacuum dehydration is carried out for 1-3 hours; ethylene oxide is added, temperature is kept at 110 DEG C to 180 DEG C, epoxypropane is added after curing is carried out for 1-5 hours, and curing is carried out for 3-10 hours at the temperature of 110 DEG C to 180 DEG C; the temperature is reduced to 80 DEG C to 120 DEG C, after vacuum degassing is carried out for 0.5-3 hours, the temperature is reduced to 40 DEG C to 80 DEG C, and discharging is carried out to obtain finished castor oil polyoxyethylene polyoxypropylene ether. The method is applied to synthesizing castor oil polyoxyethylene polyoxypropylene ether, and synthesized castor oil polyoxyethylene polyoxypropylene ether has the advantages of being light in color and luster, transparent in appearance, excellent in physicochemical index, high in compatibility performance, large in molecular weight control range and the like, can be used for the industries of daily use chemicals, medicine and the like with high requirements.

The invention provides a method of continuously preparing artificial rutile and a dedicated device thereof. The method and the dedicated device thereof solve the problems that a conventional reactor can not achieve continuous and mass productions and has high energy consumptions. According to the technical scheme, the method comprises the steps of adding hydrochloric acid and materials into an elevatus mingled storehouse, and conducting mixing on the hydrochloric acid and the materials; making the mixture flow into a reactor along a feed pipe; injecting the heated hydrochloric acid to the reactor from the bottom of the reactor to be subjected to upward flow, conducting acid leaching reaction on the heated hydrochloric acid with a pasty material, using a U-shaped heating tube to conduct heating on the reaction solution, and sending the reaction solution to a negative pressure type liquid-solid separator when the reaction solution reaches the height of a discharge gate; emitting gas generated by the reaction solution to a gas / liquid collector. On the premises of improving the safety, protecting the environment, improving efficiency and stability of quality, the whole system achieves continuous leaching, is applicable to mass production, and has low energy consumption.

The invention relates to a preparation equipment and a preparation method of a large-area titanium dioxide thin film catalyst, which relates to a preparation equipment and a method of a titanium dioxide catalyst. It solves the problem that it is difficult to continuously and efficiently prepare large-area titanium dioxide thin film catalysts under the condition of low-power power supply. The electrolyte in the reaction monomer tank is in direct contact with the side of the anode made of titanium and the side of the cathode at the same time, and the driving mechanism is used to make the reaction monomer tank relatively move along the side of the anode made of titanium. The main steps are: make the electrolyte circulate between the electrolyte tank and the reaction monomer tank; apply voltage or current between the anode and the cathode, the current density is below 200mA / cm2, and the voltage is below 300V; make the reaction monomer tank Relative movement is made along the side of the anode made of titanium according to the set requirements. The device prepares a large-area titanium dioxide film catalyst under the condition of a low-power power supply by setting a reaction monomer tank that can move relative to the anode made of titanium. The method has good production flexibility and high efficiency.

The invention discloses an esterification process of cyanate ester resin. The process comprises the following steps: step S1, weighing the following raw materials in parts by weight: 10-15 parts of diphenolyl propane, 0.5-1.0 part of triethylamine, 35-50 parts of acetone, 25-35 parts of absolute ethanol, and 20-30 parts of cyanogen chloride; step S2, adding diphenolyl propane and triethylamine toa beaker containing acetone, performing heating in a 45 DEG C water bath, performing stirring for 45 min at a rotation speed of 100 r / min, performing taking out, and performing standing for 30 min toobtain a mixed liquid A; and step S3, carrying out a reaction through a reaction kettle. In the process, the reaction kettle has high heat exchange efficiency and good heat exchange effect, reaction heat can be quickly taken away, and thus occurrence of side reactions is not easy to cause. Materials can be subjected to cutting during stirring to avoid uneven reaction due to increased viscosity ofthe materials along a reaction is carried out, and heat exchange efficiency can be further improved by mixing with remaining materials after heat exchange is completed.