39results about How to "Prevent overheating damage" patented technology

The invention discloses a method and a device for fluid-bed destructive distillation of oil shale. The method and the device for the fluid-bed destructive distillation of the oil shale solve the problems caused by high coal burning load borne by a coal burning device in an existing destructive distillation technique and also solve the problem of low extraction rate of shale oil. The method for the fluid-bed destructive distillation of the oil shale comprises the steps that a section of destructive distillation reaction is carried out on oil shale raw materials (27) and high-temperature heat carriers after the oil shale raw materials (27) and the high-temperature heat carriers are mixed in a lifting pipe destructive distillation reactor (24); the oil shale raw materials enter a bed type destructive distillation reactor (21) for a second section of destructive distillation reaction after the first section destructive distillation reaction is carried out on the oil shale raw materials, and then mixed carbocoal is formed and enters a pipe type coal burning device (14) after oil gas contained in the mixed carbocoal is extracted in a steaming mode; and a section of coal burning is carried out on the mixed carbocoal which enters the pipe type coal burning device; and the mixed carbocoal enters a bed type coal burning device (5) for a second section of coal burning after the first section coal burning is carried out on the mixed carbocoal. The invention discloses the device for the fluid-bed destructive distillation of the oil shale, wherein the device for the fluid-bed destructive distillation of the oil shale is used for realizing the method for the fluid-bed destructive distillation of the oil shale. The method and the device for the fluid-bed destructive distillation of the oil shale are mainly used for destructive distillation processing of various kinds of powder oil shale raw materials.

The invention discloses a corrosion inhibition type supercritical water oxidation reactant mixing and pre-oxidizing device. The device is composed of a plurality of reactant mixing-pre-oxidizing device core tubes and outer tubes in a series connection mode along the way, and a core tube channel and an outer tube channel are formed. The core tube channel is sequentially provided with a plurality of reactant A injection ports along the way, the reactant A injection ports are used for injecting reactants A into the outer tube channel in a grading mode, and the outer tube channel is used for stage-by-stage mixing of the reactants A and reactants B and supercritical water oxidation reaction. The mixing and oxidizing process of organic waste and an oxidizing agent is effectively controlled, ultra-high-temperature damage caused by local concentrated heat release is avoided, and intensified corrosion of the high-concentration oxidization agent on equipment materials is relieved. The corrosion inhibition type supercritical water oxidation reactant mixing-pre-oxidizing device is arranged on an entrance of a supercritical water oxidation reactor, the service environment harshness of the supercritical water oxidation reactor is remarkably reduced, the service life of the reactor is prolonged easily, overall maintenance cost in the later stage of the supercritical water oxidation reactor is reduced, and the corrosion inhibition type supercritical water oxidation reactant mixing and pre-oxidizing device can be widely applied to performing supercritical water oxidation reactant on various heavy-pollution industrial wastewater and sludge.

The invention discloses a powder coal dry distillation method and device, and aims to solve the problems that the technical process is, the circulation amount of the solid heat carrier is high, the gas heat carrier needs to be delivered by a gas compressor and the like in the existing powder coal dry distillation technique. The dry distillation method comprises the following steps: A. a powder coal raw material (2), and a high-temperature solid heat carrier and a high-temperature oxygen-free flue gas from a tubular charcoal burner (7) are mixed in a mixing tube (4) and enters a dry distillation reactor (5) to perform dry distillation reaction; B. after entrained oil gas is stripped out from semicoke formed in the step A in a stripping section (17), part of the semicoke is cooled and discharged out of the dry distillation device, and the other part enters the tubular charcoal burner; and C. the semicoke entering the tubular charcoal burner contacts charcoal burning air (12) to perform charcoal burning, thereby generating the high-temperature solid heat carrier and high-temperature oxygen-free flue gas. The invention also discloses a powder coal dry distillation device for implementing the dry distillation method. The method and device can be used for dry distillation processing of various types of powder coal.

The invention discloses a method and a device for fluid-bed destructive distillation of oil shale. The method and the device for the fluid-bed destructive distillation of the oil shale solve the problems of high coal burning load due to the fact that all mixed carbocoal enters a coal burning device for coal burning and the like in the prior art. The method for the fluid-bed destructive distillation of the oil shale comprises the steps that that destructive distillation reaction is carried out on oil shale raw materials and high-temperature heat carriers from a smoke removing tank (3) after the oil shale raw materials and the high-temperature heat carriers are mixed in a mixing pipe (8), and oil gas contained in the formed mixed carbocoal is extracted from a steam extracting section (24) in a steaming mode; part of the mixed carbocoal is discharged out of the destructive distillation device after the oil gas is extracted from the mixed carbocoal and the mixed carbocoal is cooled, and the other part of the mixed carbocoal enters a pipe type coal burning device (6); and coal burning is carried out on the mixed carbocoal entering a pipe type coal burning device, the high-temperature heat carriers and the smoke which are produced after the coal burning enter the smoke removing tank for separation. The invention discloses the device for the fluid-bed destructive distillation of the oil shale, wherein the device for the fluid-bed destructive distillation of the oil shale is used for realizing the method for the fluid-bed destructive distillation of the oil shale. The method and the device for the fluid-bed destructive distillation of the oil shale are mainly used for destructive distillation processing of various kinds of powder oil shale raw materials.

The invention discloses an energy storage type new energy battery protection system used for an intelligent energy net and a method of the energy storage type new energy battery protection system. The system consists of a battery pack, a shell, a polyhydric alcohol phase change material, a fatty acid phase change material capsule and a fiber material fin. The solid-phase polyhydric alcohol phase change material is used to absorb heat and melt, so as to restrain the sharp temperature increment of the battery pack within a short time, the solidification of a liquid phase fatty acid phase change material in the fatty acid phase change material capsule is used to preserve heat of the battery pack, and the characteristic that a heat conductivity coefficient of the fiber material fin is increased along with temperature increment is used to further realize functions of improving heat dissipation under high temperature and enhancing freeze prevention under low temperature for the battery pack; the polyhydric alcohol phase change material absorbs heat, stores energy and supplies the heat to users, and is energy-saving, economical and environmentally friendly; the system is high in adaptation, and can be used in an extreme environment with great temperature difference change; the phase change materials are good in repeatability, and the service life is long.

The invention discloses a supercritical water oxidation reactor and method suitable for radioactive waste treatment, the supercritical water oxidation reactor comprises an end cover area, a reaction area and a salt storage area, and a core area of the reaction area is provided with a scraping brush, a stirrer and other mechanical devices. A nuclide salt storage area is arranged at the bottom and is provided with a mechanical stirring device and a tertiary oxidant inlet. According to the invention, supercritical water oxidation treatment of radioactive wastes can be realized, nuclides are removed by using the characteristic that the solubility of nuclides in supercritical water is small, and meanwhile, the nuclides are mechanically removed by using a scraping brush, and meanwhile, due to the existence of the cooling film type wall, not only can the heat of a reaction area be absorbed to prevent the wall surface from being overheated, but also the waste heat of the wall surface can be utilized. And meanwhile, a sacrificial thin lining is arranged at a key part of the reactor, so that radioactive wastes generated after the device is decommissioned are minimized. The reactor has important application value in the field of supercritical water oxidation treatment of radioactive wastes.

The invention discloses a punching device for hardware fittings, which comprises a device body and a device base, the device base is provided under the device body, the device base is connected to the device body by transmission, a hydraulic pump is provided on the left side of the device body, the hydraulic pump It is fixedly connected to the device body, a pressure-resistant tube is provided on the right side of the hydraulic pump, and one end of the pressure-resistant tube is fixedly connected to the hydraulic pump. A laser generator is installed under the device body, and the laser generator is fixedly connected to the device body. There is a laser drill above the drilling device for hardware accessories. The laser drill uses the laser beam to heat the material to cut. Compared with the motor drill, the laser spot is small, the energy density is high, and the cutting surface is smooth and beautiful. The surface roughness of the hole is very small, and there is no contact with the workpiece, so there is no wear of the tool, and it can cut a variety of materials.

The invention discloses a powder coal dry distillation method and device, and aims to solve the problems that the technical process is, the circulation amount of the solid heat carrier is high, the gas heat carrier needs to be delivered by a gas compressor and the like in the existing powder coal dry distillation technique. The dry distillation method comprises the following steps: A. a powder coal raw material (2), and a high-temperature solid heat carrier and a high-temperature oxygen-free flue gas from a tubular charcoal burner (7) are mixed in a mixing heat transfer region to perform contact heat transfer, and are subject to dry distillation reaction; B. after entrained oil gas is stripped out from semicoke formed in the step A in a stripping section (17), part of the semicoke is cooled and discharged out of the dry distillation device, and the other part enters the tubular charcoal burner; and C. the semicoke entering the tubular charcoal burner contacts charcoal burning air to perform charcoal burning, thereby generating the high-temperature solid heat carrier and high-temperature oxygen-free flue gas. The invention also discloses a powder coal dry distillation device for implementing the dry distillation method. The method and device can be used for dry distillation processing of various types of powder coal.

An embodiment of the invention discloses a control method of a combined heat and power generation unit for cooperative steam extraction of a cold section and a hot section of a reheater. The combinedheat and power generation unit comprises a first heat supply steam header, a second heat supply steam header, the boiler reheater, a high-pressure cylinder, an intermediate-pressure cylinder, a data acquisition and control device, a thrust pad lubricating oil system, a pipeline, a measuring device and a valve. The data acquisition and control device (57) is observed to enable the steam extractionflow of the cold section of the boiler reheater to be basically close to the steam extraction flow of the hot section of the boiler reheater, and meanwhile whether parameters such as axial displacement, first shaft vibration, second shaft vibration, first bearing bush cover vibration, second bearing bush cover vibration, thrust pad temperature and reheater pipe wall metal temperature are within asafety range value or not is observed. According to the control method, online monitoring and adjusting of unit operation parameters are achieved, the effects of temperature control and vibration reduction are achieved, the service life of equipment is prolonged, the steam extraction and heat supply flexibility of the unit is improved, and full utilization of energy is achieved.

The invention discloses a fluidized bed combustion furnace and a combustion method. The fluidized bed combustion furnace comprise a fluidized combustion area and a rotary drying and layer combustion area; a material inlet of a fluidized bed is arranged on the rotary drying and layer combustion area, and the rotary drying and layer combustion area communicates with the fluidized combustion area; the rotary drying and layer combustion area is used for realizing rotary drying and layer combustion of materials; and the fluidized combustion area is used for carrying out fluidized combustion on thematerials which have passed through the rotary drying and layer combustion area. The materials enter the combustion furnace through the material inlet of the fluidized bed, and are firstly stacked inthe rotary drying and layer combustion area for rotation, drying and partial layer combustion, and continuously input materials extrude the materials subjected to drying and layer combustion out of the rotary drying and layer combustion area and enter the fluidized combustion area for fluidized combustion. By means of the technical scheme in the invention, the problems that in an existing fluidized bed combustion technology, the requirement on the particle size of materials is high, crushing treatment is needed firstly, the energy consumption is large, and the residence time of fuel in a furnace is too short, so that large-particle materials and high-humidity materials cannot be fully combusted are solved.

The invention relates to a driving chip protection circuit, a circuit board and a display device. The driving chip protection circuit comprises a power supply voltage input end and a power supply voltage output end, wherein the power supply voltage output end is configured to be connected with a working module of a driving chip; the circuit further comprises a temperature sensing element used for obtaining temperature information of the driving chip; the first switch is connected between the power supply voltage input end and the power supply voltage output end; the input end of the trigger protection module is connected with the temperature sensing element, the output end of the trigger protection module is connected with the first switch, and the trigger protection module is used for controlling the first switch to be switched on or switched off according to the temperature information obtained by the temperature sensing element. According to the scheme, temperature protection can be carried out on the driving chip, and over-temperature damage of the driving chip is prevented.

The invention discloses a spreading and baking all-in-one machine for frozen slices, which solves the problems that the existing equipment is troublesome to operate, the slices are difficult to form in the preparation process of tissue slices, and experimenters need to do a large number of spreading and baking exercises, and belongs to the technical field of medical machinery. The invention provides an instrument for flaking by using liquid surface tension and integrating spreading and baking. The instrument comprises a machine body, a spreading area, a baking area, a trace liquid suction penarea, a liquid collection area, a motor area and a control area. According to the invention, convenient slice spreading, fine liquid pumping and slice fishing, slice baking and liquid refilling can berealized to make preparations for slice fishing next time, and the slice fishing success rate and the slice beauty degree are significantly improved.

The invention discloses a well control protection device and method for an electric submersible pump. The electric submersible pump is arranged in an oil well. The well control protection device comprises a working fluid level monitoring device, an underground temperature monitoring device and an automatic watering device, wherein the working fluid level monitoring device is arranged at the wellhead of the oil well, and is used for monitoring and acquiring the working fluid level data of the oil well and transmitting to the automatic watering device; the underground temperature monitoring device is arranged on a pump head of the electric submersible pump, is used for monitoring and acquiring the temperature value of an electric submersible pump motor and transmitting to the automatic watering device; the automatic watering device is connected with the working fluid level monitoring device and the underground temperature monitoring device, and is used for generating a warning signal according to the working fluid level data or the temperature value of the motor and watering the loop space of the oil well according to the warning signal.