49results about How to "No local high temperature" patented technology

The invention discloses a coaxial heating chamber and an electronic cigarette device with the coaxial heating chamber. The electronic cigarette device with the coaxial heating chamber includes a coaxial heating chamber which is formed by the fact that an outer conductor chamber is regarded as a chamber, and an inner conductor column which is regarded as a column and inserts from one end of the outer conductor chamber into the outer conductor chamber; and a microwave source from one end of the inner conductor column inserted into the outer conductor chamber into the coaxial heating chamber to conduct microwave transmission to achieve the heating of microwave to a tobacco. A coaxial transmitter and the coaxial heating chamber are used, microwaves with the frequency of 915MHz and 2.45GHz canbe transmitted in the coaxial transmitter and the coaxial heating chamber, and therefore, a relatively mature solid-state microwave device can be used, especially 915MHz electrical conversion efficiency is higher; the size of the device can be effectively controlled; and due to the fact that the microwave has no temperature, through high frequency alternating electric field, polar molecules in thetobacco is made directly to move and heat, tobacco overall temperature is controlled in 200~300 DEG C, local high temperature does not exist, higher temperature does not exist in the overall coaxialheating chamber and the tobacco, cracking does not occur, and aldehyde or other harmful substances cannot be produced.

The invention discloses a preparation method of an ultra-smooth semiconductive shielding material for a high-voltage crosslinked polyethylene insulated cable, which relates to a preparation method of a semiconductive shielding material and is used for solving the problems that an extruding surface cannot meet the requirement of ultra-smoothness, gelation and pre-crosslinking are caused easily, and the quantity and sizes of impurities in the material cannot meet the standard requirements existing in the preparation of a semiconductive shielding material. The method comprises the following steps of: weighing raw materials; uniformly mixing polyethylene rein, an ethylene-vinyl acetate polymer, an antioxidant and conductive carbon black to obtain a material; filtering the material, pelletizing, dehydrating and drying the filtered material, and mixing with a crosslinking agent to obtain particles mixed with the crosslinking agent; and feeding into an absorption cabin for uniformizing, and cooling. In the invention, gelation and pre-crosslinking are not caused in the production process; the quantity and sizes of impurities in the semiconductive shielding material reach the levels of imported products of the same type; every kilogram of cable materials contain less than ten impurities of 70-100 mum; the requirement of ultra-cleanliness is met; and the extruding surface meets the requirement of ultra-smoothness.

The invention relates to a bright molybdenum concentrate self-heating type rotational flow roasting technology and equipment. A rotational flow roasting furnace provided with a furnace body heat exchanging device is utilized to roast bright molybdenum concentrate so as to produce industrial molybdenum oxide. The heat emitted by a roasting reaction of the bright molybdenum concentrate is utilized to preheat air entering from an interlayer heat exchanging device of a lower furnace body in the roasting process, the preheated air is supplied into the rotational flow roasting furnace from the furnace bottom, a rotational flow wind distributing device makes the bright molybdenum concentrate be subjected to a roasting reaction under a rotational eddy state, a material coming out from the rotational flow roasting furnace enters an upper interlayer heat exchanging device of the rotational flow roasting furnace along with roasting eddy under the effect of negative pressure, a desulfurization reaction is completed in the interlayer heat exchanging device in the rotational advancing process, and a reacted gas-solid mixture enters a gas-solid separation discharging device to be subjected to gas-solid separation so that a solid roasted product and roasted smoke can be separated. The roasted smoke is sent to a SO2 recycling processing system under a draft effect of an induced draft fan afterentering a heat exchanger to exchange heat with the air, and the air after being subjected to heat exchanging is sent to a flash evaporation drying machine to dry the bright molybdenum concentrate.

The invention discloses a detonating cord heat insulation protection device and a blasting method. The device includes a heat insulation protection cylinder and a pre-embedded wire, the heat insulation protection cylinder is a hollow cylinder, and the pre-embedded wire is arranged on a heat insulation The inner cavity of the protection cylinder extends along the axis of the heat insulation protection cylinder to the outside of the heat insulation protection cylinder. The side wall of the heat insulation protection cylinder includes a water-permeable layer, a water-absorbing layer and a waterproof layer arranged sequentially from outside to inside. The waterproof layer includes a water-proof layer and a rubberized layer arranged in sequence from the inside to the outside. The invention is used to protect the detonating cord, so that the detonating cord can be safely used at high temperature for a certain period of time, which ensures the safety of blasting and solves the problem that the current detonating cord cannot be used at high temperature; secondly, it has strong water absorption, but the total water consumption Supply is not a problem, and it can be applied to high-temperature blasting in a large area to improve blasting efficiency; in addition, it is easy to operate, and the materials used are common products on the market, and the cost is low.

The invention provides a petroleum heater. The petroleum heater comprises an electric heater, an interior petroleum conveying device, a microcomputer control cabinet, a petroleum pumping device and an electromagnetic heating device, wherein the electric heater is arranged at the bottom part of the petroleum storage tank; electric heating rods are arranged on the left side of the electric heater; clamping boards are arranged on the electric heating rods; the interior petroleum conveying device is arranged on the right side of an anti-explosion wire connecting cavity; the petroleum pumping device is arranged on the bottom right part of the petroleum storage tank; the microcomputer control cabinet is arranged on the bottom right part of the petroleum pumping device; the right side of the petroleum pumping device is provided with a heating and insulating pipe; a petroleum conveying pipe is arranged in the heating and insulating pipe; the electromagnetic heating device is arranged on the right side of the heating and insulating pipe; and a petroleum conveying opening is formed in the bottom part of the right side of the heating and insulating pipe. Compared with the prior art, the petroleum heater has the following beneficial effects that the petroleum heater is convenient for use; petroleum can be heated more fast and stably through the electric heater at the bottom; and the petroleum in the oil tank is prevented from being heated repeatedly.

The invention is suitable for heating and baking bulk materials such as ferroalloy for steelmaking, etc., and relates to a heating furnace with double furnace bodies, including an outer furnace body, an inner furnace body and a furnace cover. The outer furnace body is a steel container with a heat-insulating layer. There is a platform inside, a sealing ring on the upper part, and ventilation holes on the upper and lower sides of the platform; the bottom of the inner furnace body has a grate made of heat-resistant steel. There are hoisting holes or hoisting trunnions on the upper part of the plate, and ferroalloy materials are contained inside; the inner furnace body sits on the bearing platform of the outer furnace body, and the contact surface between the inner furnace body and the bearing platform of the outer furnace body is the sealing surface; the furnace cover sits Placed on the sealing ring on the outer furnace body; when the furnace cover is removed, the inner furnace body can be hoisted into or out of the outer furnace body. The invention evenly heats the ferroalloy material, has simple structure, high reliability, no burner in the furnace, no local high temperature, does not burn the furnace wall, high thermal efficiency, is matched with a general flue gas furnace, has reliable performance and long service life.

The invention discloses a silent constant-temperature heating method, which comprises the following steps: a main control unit acquires the temperature of liquid to be heated and the air pressure of the current environment at set intervals through an air temperature acquisition unit, and acquires the boiling point of the liquid under the current air pressure, then the main control unit takes corresponding actions according to the boiling point under the air pressure, when the temperature is not close to the boiling point, a temperature control unit is set to be in a working state, a heating film is controlled to heat the liquid, when the temperature is close to the boiling point and does not reach the boiling point, the temperature control unit is set to be stopped, the water temperature is controlled not to reach the boiling point, and then a constant-temperature mode is started. The heating film is adopted to replace a traditional heating wire, and due to the fact that the heating film is even in heating, local high temperature and too high temperature difference between the upper portion and the lower portion are avoided, and noise is avoided. The temperature of the liquid is controlled below the boiling point to prevent the temperature from reaching the boiling point, so that the liquid cannot boil, and the mute function is achieved.

The invention relates to a bright molybdenum concentrate self-heating type rotational flow roasting technology and equipment. A rotational flow roasting furnace provided with a furnace body heat exchanging device is utilized to roast bright molybdenum concentrate so as to produce industrial molybdenum oxide. The heat emitted by a roasting reaction of the bright molybdenum concentrate is utilized to preheat air entering from an interlayer heat exchanging device of a lower furnace body in the roasting process, the preheated air is supplied into the rotational flow roasting furnace from the furnace bottom, a rotational flow wind distributing device makes the bright molybdenum concentrate be subjected to a roasting reaction under a rotational eddy state, a material coming out from the rotational flow roasting furnace enters an upper interlayer heat exchanging device of the rotational flow roasting furnace along with roasting eddy under the effect of negative pressure, a desulfurization reaction is completed in the interlayer heat exchanging device in the rotational advancing process, and a reacted gas-solid mixture enters a gas-solid separation discharging device to be subjected to gas-solid separation so that a solid roasted product and roasted smoke can be separated. The roasted smoke is sent to a SO2 recycling processing system under a draft effect of an induced draft fan afterentering a heat exchanger to exchange heat with the air, and the air after being subjected to heat exchanging is sent to a flash evaporation drying machine to dry the bright molybdenum concentrate.

The invention relates to the technical field of air compressor cooling, and discloses an oil-free piston type air compressor with a cooling system for a new energy vehicle. The oil-free piston type air compressor comprises a crankcase, a cylinder body, a cylinder head assembly, a piston cylinder is arranged in the cylinder body, the cylinder body is arranged above the crankcase and is connected with the crankcase, the cylinder head assembly is arranged above the cylinder body and is connected with the cylinder body; the oil-free piston type air compressor is characterized in that a low-pressure heat exchanger connected with the crankcase is arranged on the front side of the cylinder body, a manifold block connected with the cylinder body is arranged at the right end of the cylinder body, the manifold block and the low-pressure heat exchanger are connected through a first water inlet pipe, a first water outlet is formed in the left end of the low-pressure heat exchanger, the first wateroutlet is connected with the cylinder head assembly through a first water discharge pipe; a high-pressure heat exchanger connected with the crankcase is arranged on the rear side of the cylinder body, the manifold block is connected with the high-pressure heat exchanger through a second water inlet pipe, a second water outlet is formed in the left end of the high-pressure heat exchanger, the second water outlet is connected with the cylinder head assembly through a second water discharge pipe. According to the oil-free piston type air compressor, a water-cooling and air-cooling double-actioncooling mode is adopted, so that full cooling is realized, and the effect is better.

The invention discloses a composite bottom pot body and a manufacturing method thereof. The composite bottom pot body (100) comprises a pot bottom wall (1) and a composite bottom sheet (3) arranged at the bottom of the pot bottom wall. The pot bottom wall and the composite bottom sheet A compound bottom cavity (5) is formed therebetween, the pot bottom wall and the compound bottom sheet are fixedly connected by a connecting piece (2), and the compound bottom cavity is also filled with a sintered compound bottom cavity filling material (4). The manufacturing method includes connecting the double bottom sheet at the bottom of the bottom wall of the pot through a connecting piece; welding and sealing the peripheral edge (31) of the double bottom sheet and the outer peripheral wall of the pot body; filling the compound bottom cavity between the reciprocating bottom sheet and the pot body. The bottom cavity filling material; finally, the pot body with the double bottom sheet and the double bottom cavity filling material is heated. The cookware of the invention can thicken the bottom of the pan, improve the heat storage performance and thermal conductivity of the bottom of the pan, improve the temperature uniformity of the bottom of the pan, reduce the generation of oil fume, and improve the product quality and user experience. The manufacturing method is simple, practical and low in cost, and can be used in mass production with high efficiency.

The invention relates to the technical field of air compressors, and discloses an oil-free piston air compressor for new energy vehicles, including a crankcase, a cylinder body, and a cylinder head assembly. A piston cylinder is arranged in the cylinder body, and the cylinder body is arranged above the crankcase And connected with the crankcase, the cylinder head assembly is set above the cylinder block and connected with the cylinder block, the front side of the cylinder block is provided with a low-pressure heat exchanger connected with the crankcase, and the right end of the cylinder block is provided with a manifold connected with the cylinder block The tube block, the manifold block and the low-pressure heat exchanger are connected through the first water inlet pipe. The left end of the low-pressure heat exchanger is provided with a first water outlet, and the first water outlet is connected with the cylinder head assembly through the first drain pipe; the rear of the cylinder body There is a high-pressure heat exchanger connected to the crankcase on the side, the manifold block and the high-pressure heat exchanger are connected through the second water inlet pipe, the left end of the high-pressure heat exchanger is provided with a second water outlet, and the second water outlet passes through the second drain pipe Connect with cylinder head assembly. The present invention adopts water-cooling and air-cooling double-action cooling mode, fully cools, and has better effect.

The invention discloses a magnetic energy heating body, which comprises a heating pipe body and two glands installed at both ends of the heating pipe body. The heating pipe body is connected with a water inlet pipe and a water outlet pipe. A protective layer is arranged on the outside of the thermal insulation layer, a coil is wound on the outside of the protective layer, a rotating shaft is arranged inside the heating pipe body, a blade is arranged on the outside of the rotating shaft, an impeller is fixedly connected to one end of the rotating shaft, and the The blades of the impeller are correspondingly arranged at the water inlet pipe, bearings are arranged inside the two glands, and the rotating shaft is correspondingly installed between the two bearings. The magnetic energy heating element mentioned in the present invention can achieve the purpose of evenly heating the magnetic energy heating element and reducing potential safety hazards.

The invention discloses a wick structure for a vapor chamber. The wick structure comprises multiple condensing zones radiating from center to outside, each condensing zone is formed by a multistage channel structure formed by branching step-by-step from a central beginning channel to outside, each stage comprises at least two narrow channels, the number of the narrow channels in each stage increases from center to outside stage-by-stage, the narrow channels in each stage and the narrow channels among stages are mutually communicated to enable each condensing zone to form a latticed channel structure, the width of the narrow channels of a next stage is smaller than that of the narrow channels of a front stage, and the length of the narrow channels of a next stage is smaller than or equal to that of the narrow channels of a front stage. The wick structure for the vapor chamber has the advantages of high capillary attraction, low flow resistance and high temperature evenness and heat radiating efficiency.

The invention relates to the technical field of heat storage type high-temperature air combustion, in particular to a novel heat storage type radiant tube combustion device. The novel heat storage type radiant tube combustion device comprises at least two single preheating air heat storage type combustors, a furnace body, at least three radiant tubes, ignition nozzles, ignition nozzle casing pipes, at least two combustion chambers and a four-way valve; each single preheating air heat storage type combustor comprises a cover plate, an air body, a heat preservation layer, a heat storage body, a nozzle brick, a gas spray gun and a connecting flange; the device is provided with a heat storage type multi-pipe-bundle radiant tube, the heat storage type combustion technical beneficial effects of being efficient, energy-saving and environment-friendly are achieved, meanwhile, the more efficient integration is achieved, the radiant power is high, the temperature is more uniform, the structure is simpler, and mounting, debugging and overhauling are more convenient.

The invention relates to a discharge lamp lighting circuit which realizes the miniaturization and cost reduction of a light circuit. The discharge lamp lighting circuit for supplying an AC power to a discharge lamp 3 includes first and second converters for receiving a DC voltage and stepping up the voltage. A controlling circuit drives the first and second converters CON1, CON2 alternately at a first frequency and stops an operation of a side that is not driven such that the AC power is supplied to the discharge lamp to execute a lighting operation.