6results about How to "Improve circularity" patented technology

The utility model discloses a catalytic oxidation coupling efficient biological fluidized bed reactor for petrochemical wastewater treatment. The catalytic oxidation coupling efficient biological fluidized bed reactor comprises a catalytic oxidation unit and a biological fluidization unit, the catalytic oxidation unit comprises an inner tank body, a central rotating assembly, a lower material mixing cavity, an inner pipe, a liquid inlet pipe and a three-phase separator; a three-phase separator, an inner pipe and a lower material mixing cavity are sequentially arranged in an inner cavity of the inner tank body from top to bottom; the biological fluidization unit comprises an outer tank body, a central liquid baffle ring and a liquid outlet pipe; the outer tank body is sleeved on the outer side of the inner tank body, and a central liquid blocking ring is arranged in a gap between the outer tank body and the outer wall of the inner tank body. And sudden high-concentration or toxic and harmful substances are rapidly treated, and the stability and adaptability of the system are enhanced.

The invention belongs to the technical field of material performance detection, and discloses a calibration device and method of a methylene blue standard solution for a machine-made sand MB value test, which can quickly judge the deviation degree of the concentration of the methylene blue solution, improve the accuracy of the concentration of the methylene blue solution and improve the accuracy of the MB value test. The stable property of the standard substance for calibration can ensure that the detection result of the engineering sand is accurate in a long time span, so that the engineering quality is ensured.

The utility model relates to cytosine preparation condensing technical field discloses a kind of condensing device for cytosine preparation, including condensing tube, the condensing tube side wall is fixedly connected with outlet pipe, the condensing tube side wall is fixedly connected with inlet pipe, the condensing tube bottom is fixedly connected with flask, the condensing tube bottom is provided with circulating assembly, the condensing tube top is provided with check assembly;The circulating assembly includes connecting pipe one, the connecting pipe one top end is fixedly connected in the inlet pipe bottom, the condensing tube bottom is fixedly connected with flask, the flask outer wall is provided with water tank, the water tank side wall is provided with water pump.In the utility model, by starting water pump, it extracts condensate from low water tank, is sent to inlet pipe through connecting pipe one, and then flows into condensing tube, under the drive of pressure, condensate flows in condensing tube, absorbs steam heat constantly, can realize the effect of condensate circulation, improves condensing efficiency.

This utility model relates to the field of formic acid furnace technology, specifically to a circulation mechanism for an external carrier of a formic acid furnace. The mechanism includes a furnace body, a circulation mechanism, a positioning mechanism, and a cooling mechanism. The circulation mechanism is fixedly installed on the outer wall of the furnace body and is used to drive the external carrier of the formic acid furnace in cyclical movement. The positioning mechanism is fixedly installed on the circulation mechanism and is used to position the circulation mechanism. The cooling mechanism is fixedly installed on the inner side of the circulation mechanism and is used to cool the processed parts placed on the external carrier of the formic acid furnace. The circulation mechanism includes a shell, a mounting plate, and a rotating mechanism. This circulation mechanism for the external carrier of the formic acid furnace, through the circulation mechanism, rotating mechanism, and positioning mechanism, enables the carrier platform to achieve a cyclical effect. Simultaneously, the positioning mechanism can limit the position of the rotating disk, thereby improving the working efficiency and effectiveness of the carrier and the formic acid furnace, and reducing the labor intensity of the workers.

The utility model provides a thiadiazole preparation device, which belongs to the technical field of thiadiazole preparation and comprises a reaction cylinder, a feed hopper, a support, a motor and a stirring shaft, the feed hopper is arranged on the left side of the upper surface of the reaction cylinder in a penetrating manner, the support is fixedly mounted in the center of the upper surface of the reaction cylinder, and the motor is mounted above the support. A stirring shaft is fixedly mounted at the output end of the motor; power is supplied to the electric heating rod by inserting a power plug into a power interface, heat generated by the electric heating rod is transmitted to the stirring shaft, reaction liquid in the center of the interior of the reaction cylinder is heated through the stirring shaft, and the annular electric heating plate and the electric heating disc are connected with a power source and generate heat. Reaction liquid, close to the side wall and the bottom of the reaction cylinder, in the reaction cylinder is heated respectively, the heating speed of the reaction liquid in the reaction cylinder is increased, the heating uniformity can be guaranteed, the synthesis efficiency is improved, the temperature in the reaction cylinder is sensed through the temperature sensor and displayed, and flexible use by workers is facilitated.

The utility model discloses a kind of mixing devices for water-based sealant production, it is related to sealant mixing technical field, including mixing cylinder;Mixing cylinder top and bottom are respectively matched with installation stirring assembly and cooperation component;Mixing cylinder includes cylinder body;First feeding pipe and second feeding pipe are integrally arranged on cylinder body;First feeding pipe and second feeding pipe are all provided with first solenoid valve between cylinder body;Fourth solenoid valve is fixedly installed on the connecting pipe between second feeding pipe and negative pressure pipe;Third solenoid valve is also provided on negative pressure pipe;After material addition is completed, drive motor on top cover drives stirring shaft and stirring blade high-speed rotation, realize the effect of stirring and mixing to added material, in the process of stirring, raw material can be adhered to the inner wall of conical cylinder in the early stage of formation, to ensure the effect of stirring and mixing, the material adhered on the inner wall of conical cylinder is scraped up by scraper at the bottom of stirring shaft, and mixing is realized by stirring mode.