33results about How to "Safe and reliable production and operation" patented technology

The invention relates to a circulating fluidized bed boiler combustion optimization and diagnosis method for acquiring and sorting out operation data such as bed temperature, bed pressure, load, efficiency, coal supply amount, limestone supply amount, primary air volume, primary wind pressure, upper secondary air volume and wind pressure, lower secondary air volume and wind pressure, oxygen content, induced air volume, slagging amount, NOx, Sox, etc., to build a neural network model as the basis for optimization adjustment and diagnosis. Field data of design value, measured value during operation, fuel chemistry assay value and etc. of the circulating fluidized bed boiler are utilized as the basis for optimization adjustment and diagnosis to calculate boiler efficiency as the basis for optimization adjustment and diagnosis; a judgment criterion for the optimization adjustment of combustion work condition is established and a corresponding solution is proposed, and therefore, optimization adjustment can be carried out when the circulating fluidized bed boiler deviates from the optimum combustion work condition; a judgment criterion for abnormal operation is established and a solution thereof is proposed; and therefore, problems which can not be solved after optimization adjustment can be diagnosed and analyzed. Common accident phenomena are summarized and processing strategies can be proposed, and therefore, guidance can be provided to accident handling.

The invention relates to metal lithium distillation equipment, particularly to low-temperature metal lithium distillation equipment and a distillation method thereof. The low-temperature metal lithium distillation equipment comprises a distillation retort, a heating furnace, a heat-insulating body, a potassium-sodium slag collecting tank, a U-shaped vacuum tube, a control cabinet and a vacuum pump, wherein a distillation pool is arranged at the bottom of the distillation retort, and the distillation pool is provided with a discharge pipe, a feeding pipe and a slagging pipe from the top down; an umbrella-shaped reflow cover is mounted in the middle of the distillation retort; a temperature detector is arranged below the umbrella-shaped reflow cover; a cooling zone is arranged at the upper part of the distillation retort; the potassium-sodium collector is arranged at the upper part of the distillation retort; a cooling jacket is arranged at the exterior of the potassium-sodium collector; the potassium-sodium collector is in pipe connection with the potassium-sodium slag collecting tank arranged at the exterior of the distillation retort; the control cabinet is independently arranged at the exterior of the distillation retort. The distillation method comprises the steps of starting the heating furnace and the vacuum pump, and adding commercial grade metal lithium; materials inside the distillation pool are stirred for sufficient convection up and down; after three hours of distillation operation, high-purity battery grade metal lithium can be obtained; waste material is discharged, and next batch operation is continued.

The invention provides cell-grade lithium metal casting device and method, relates to lithium metal casting device and method, and in particular relates to a cell-grade lithium metal casting device of a full-closed type metal structure and a cell-grade lithium metal casting method. The device comprises a pure lithium cylinder, a disc casting machine, an argon circulating device, an argon device, a vacuum pump, a refrigerator unit and a control cabinet; the disk casting machine comprises a casting machine cylinder body, a bottom disk, a rotating disk, a die, a gearbox and a stepping motor; a casting machine vacuum pipe and a casting machine argon pipe are respectively connected with the outer vacuum pump and the argon device; a circulating argon inlet pipe is connected with the outer argon circulating device; a second liquid sealing valve is mounted between the pure lithium cylinder and the disk casting machine; a communication pipe is mounted between the pure lithium cylinder and the disk casting machine; the argon circulating device comprises a heat exchanger and a circulating fan which are connected in a sequence. The cell-grade lithium metal casting device is simple and compact in structure, simple and convenient to operate, safe and reliable to produce and run, and achieves whole-process automatic controlled production.

The invention relates to a coke-saving precast optimization control system for coke put into a furnace, which comprises a coke input system, a conveyor belt system, a blast furnace and a precast optimization control module, wherein a modifying agent control unit is arranged between the coke input system and the conveyor belt system; a heating system is arranged between the conveyor belt system and the blast furnace; and the precast optimization control module is connected with the coke input system, the conveyor belt system, the heating system, the modifying agent control unit and the blast furnace through a signal line. The thermal efficiency of the coke-saving precast optimization control system for the coke put into the furnace is greatly improved, and the coal-saving rate is 30-50 percent. By adopting the control system, the emission is reduced, and the emission loads of dust, slag, SO2 and the like are respectively and greatly reduced, thus, the neighboring environment is purified.

The embodiment of the invention discloses an improved method for a 5-tube area smelting furnace. The improved method comprises the following steps that (a) a furnace body is re-arranged according to the structural layout of the 5-tube area smelting furnace, and a plurality of furnace tubes are arranged in the furnace body; (2) electromagnetic induction coils are correspondingly sleeved on the furnace tube, and a plurality of electromagnetic induction coils are sequentially connected in series; and (c) a cooling water inlet pipe is correspondingly arranged at the front end part and the middle part of the plurality of electromagnetic induction coils which are sequentially connected in series, and a cooling water outlet pipe is arranged at the tail end part. According to the improved method,the water inlet pipe is correspondingly arranged at the front end and the middle part of the plurality of electromagnetic induction coils which are sequentially connected in series, the cooling requirements of the electromagnetic induction coils of the tube area smelting furnace are met, the production operation safety is guaranteed, the service life of the electromagnetic induction coils is prolonged, and the equipment cost is reduced.

The invention discloses a device for detecting the dose rate on the surface of a curing barrel, which solves the problems of time-consuming, laborious and low degree of automation in the detection of the dose rate on the surface of the curing barrel in the prior art. The invention includes a wiping sampling device and a dose detection device, characterized in that the wiping sampling device includes a flexible chuck (1), a rotating mechanism (2) for rotating the flexible chuck (1), and a (1) Linear movement mechanism (3) for linear movement. The invention has the advantages of effectively improving the degree of automation during wiping and sampling, reducing manual operations, further saving manpower and material resources, and the like.

The invention discloses an anti-corrosion construction device and an anti-corrosion construction method for the integral inner wall of pressure steel pipes in hydropower stations. Upper and lower operating platforms are installed in the upper and lower bends of pressure steel pipes in upper and lower horizontal sections, and pressure steel pipes in inclined sections are equipped with The mobile operation platform, the upper and lower operation platforms are connected with four independent guide rails located in the pressure steel pipe of the inclined section. To connect, the construction personnel use the sandblasting derusting device and the thermal spraying ceramic spray gun to derust the inner wall of the pressure steel pipe and thermally spray the anti-corrosion and wear-resistant coating on the mobile operation platform. In the present invention, the construction of anti-corrosion and wear-resistant materials is done online as a whole. The anti-corrosion and wear-resistant materials have excellent liquid immersion and corrosion resistance, high wear resistance and erosion resistance, and ensure the long-term safe operation of penstock steel pipes in hydropower stations. The repair of the anti-corrosion layer can shorten the construction period of the anti-corrosion in the penstock.

The invention discloses an intelligent pitching hydraulic system and a control method for an intelligent stacker-reclaimer. The intelligent pitching hydraulic system includes a mobile phone and a computer cloud, a PLC control system, a hydraulic system and pipelines, an intelligent hydraulic fault diagnosis system, and an intelligent emergency automatic processing system. , the system includes the main control oil circuit for controlling the pitching mechanism of the stacker-reclaimer and the automatic switching backup oil circuit, and the accumulator storage backup function after power loss; the locking oil circuit for the pitching mechanism; the main control oil circuit for failure of the main pump and the control pump Oil circuit and locking oil circuit are automatically switched to control the oil circuit; hydraulic failure cannot automatically restore the automatic locking function of the faulty oil cylinder; fault analysis is fed back to the mobile terminal to facilitate data analysis and remote operation. The invention achieves the production requirement by remotely intelligently controlling the speed and the pitch angle of the pitch oil cylinder.