67results about How to "Prevent microwave leakage" patented technology

The invention discloses a closed microwave high-temperature sintering roller kiln, in particular a tunnel roller kiln with length of 10 to 50meters, and hearth sectional area of 0.06 to 0.3m<2>. The kiln comprises a main kiln body, a microwave transmission system, a turning channel mechanism, a roller power system, and a kiln door interlocking opening and closing system; the main kiln body is formed by connecting a water draining section, a preheating section, a sintering section, a heat preservation section, a quick cooling section, and a slow cooling section in turn; the turning channel mechanism is mainly formed by a material loading and unloading section and a residual-heat utilization blank drying section and comprises a turning channel, a turning channel roller, and a power system; the power system can poke a pushing plate from the outlet of the main kiln body onto the turning channel and feed the pushing plate into the inlet of the main kiln body through the residual-heat utilization blank drying section; and an inner roller for transmitting the material pushing plate, which is driven by the roller power system, is arranged on the bottom of an inner cavity of the main kiln body. The closed microwave high-temperature sintering roller kiln saves energy and reduces consumption and is environmental-friendly, the shrinkage of the sintered products is consistent and the sintered products have high size consistency, the yield is high, the production efficiency is high and the production cost is low.

In an air purifying apparatus for removing contaminants, such as soot and the like, by burning contaminated air while passing the contaminated air through a filter heated by microwaves, the apparatus includes: a housing, which is hollow, and comprises an inlet on one side and an outlet on the other side; a ceramic filter of a longitudinal material, which is arranged in the housing in a longitudinal direction of the housing, and includes a plurality of partition walls formed so that a flow path where contaminated air flows may be divided in plurality; and a microwave generator configured to generate microwaves to be supplied to one end surface of the ceramic filter in a longitudinal direction thereof to heat the one end surface of the ceramic filter in the longitudinal direction.

The invention relates to steam generating devices, in particular to a safe microwave steam generating device capable of preventing microwave leakage. The microwave steam generating device comprises a cavity body, a magnetron and a microwave controller, wherein the cavity body is provided with a water filling port and a steam outlet; the magnetron is connected with the cavity body; the microwave controller is used for controlling the magnetron. An upper microwave separation net located at the steam outlet and a lower microwave separation net located at the water filling port are further arranged inside the cavity body. By the adoption of the technique, microwave leakage can be prevented, human body safety is effectively guaranteed, and damage caused by microwave leakage is avoided.

The invention relates to equipment and process for industrially producing graphene by microwaves. The equipment comprises a spiral feeder, a furnace tube, a microwave cavity, a material discharging pipe and a product collector, wherein the furnace tube is connected to the microwave cavity in a penetrating manner; the input end of the furnace tube is connected with the spiral feeder; the output end of the furnace tube is connected with the product collector through the material discharging pipe; an inert gas inlet and a compressed air inlet are formed in the input end of the furnace pipe. Graphite is oxidized into oxidized graphite under the action of strong acid and strong oxidant such as H2SO4, HNO3 and HClO4s or is hydrolyzed into oxidized graphite under the electrochemical peroxidation effect; the oxidized graphite is prepared after being subjected to filtering, granulation and the like; inert gas is used for replacing air in the furnace tube; under the inert gas atmosphere, the oxidized graphite is dissociated by the microwaves and is reduced into flocculent graphene easy to fly; the compressed air inlet is opened, and the reduced graphene enters the product collector along with the compressed air and is completely absorbed by water pre-stored in the device; suspension is filtered and dried to be solid powder, so that the production process for the graphene is finished.

The invention relates to equipment for industrially producing graphene by microwaves. The equipment comprises a spiral feeder, a furnace tube, a microwave cavity, a material discharging pipe and a product collector, wherein the furnace tube is connected to the microwave cavity in a penetrating manner; the input end of the furnace tube is connected with the spiral feeder; the output end of the furnace tube is connected with the product collector through the material discharging pipe; an inert gas inlet and a compressed air inlet are formed in the input end of the furnace pipe. Graphite is oxidized into oxidized graphite under the action of strong acid and strong oxidant such as H2SO4, HNO3 and HClO4s or is hydrolyzed into oxidized graphite under the electrochemical peroxidation effect; the oxidized graphite is prepared after being subjected to filtering, granulation and the like; inert gas is used for replacing air in the furnace tube; under the inert gas atmosphere, the oxidized graphite is dissociated by the microwaves and is reduced into flocculent graphene easy to fly; the compressed air inlet is opened, and the reduced graphene enters the product collector along with the compressed air and is completely absorbed by water pre-stored in the device; suspension is filtered and dried to be solid powder, so that the production process for the graphene is finished.

An aircraft fuel system including a fuel line for carrying liquid fuel, and a microwave energy transmitter for energizing water carried in the fuel line. Also, a method of suppressing ice formation in an aircraft fuel system, the fuel system including a fuel line carrying liquid fuel, and a microwave energy transmitter, the method comprising transmitting microwaves along the fuel line to energize water carried with the fuel in the fuel line.

The invention discloses a closed microwave high-temperature sintering roller kiln, in particular a tunnel roller kiln with length of 10 to 50meters, and hearth sectional area of 0.06 to 0.3m<2>. The kiln comprises a main kiln body, a microwave transmission system, a turning channel mechanism, a roller power system, and a kiln door interlocking opening and closing system; the main kiln body is formed by connecting a water draining section, a preheating section, a sintering section, a heat preservation section, a quick cooling section, and a slow cooling section in turn; the turning channel mechanism is mainly formed by a material loading and unloading section and a residual-heat utilization blank drying section and comprises a turning channel, a turning channel roller, and a power system; the power system can poke a pushing plate from the outlet of the main kiln body onto the turning channel and feed the pushing plate into the inlet of the main kiln body through the residual-heat utilization blank drying section; and an inner roller for transmitting the material pushing plate, which is driven by the roller power system, is arranged on the bottom of an inner cavity of the main kiln body. The closed microwave high-temperature sintering roller kiln saves energy and reduces consumption and is environmental-friendly, the shrinkage of the sintered products is consistent and the sintered products have high size consistency, the yield is high, the production efficiency is high and the production cost is low.

The invention discloses a paper mounting machine, belonging to the technical field of packaging mechanical equipment. The paper mounting machine comprises a surface paper conveying device and a bottom paper conveying device, wherein the bottom paper conveying device is connected to a bottom paper gluing device, an output mechanism and a laminating device are sequentially arranged at the lower part of the bottom paper gluing device, the laminating device comprises a plurality of upper carrier rollers and lower carrier rollers which are arranged on a frame, laminating belts surround the upper carrier rollers, and conveying belts driven by a power device are arranged on the lower carrier rollers; a sealing cover is arranged on the periphery of the rack, and a heating element is arranged in the sealing cover; and a suction pipe communicated with the inner part of the sealing cover is arranged on the top of the sealing cover and is connected to a suction fan. The paper mounting machine has the advantages that water molecules inside paperboards are rapidly heated and discharged by using a heat source generated by the heating element in the processes of forwards pressing, flattening and transporting the paperboards by using the laminating belts and the conveying belts, water vapor is discharged through the suction fan and the suction pipe, the online rapid and uniform drying is realized, the curing time of glue is reduced, the anti-mildew capacity of the paper boards is improved, the defect of easiness in bending and deformation is overcome, and the strength and the manufacturing efficiency of the paper boards are improved.

A microwave sterilizing machine able to kill bacteria at low temp under ordinary pressure is composed of machine frame, conveying belt, microwave sterilizing region divided into several individual microwave irradiating chambers with individual microwave generator by metallic bulkheads, and material feeding and discharging units with anti-leakage mechanism for preventing microwave leakage.