7results about How to "Stable operating parameters" patented technology

This application provides a vertical heat recovery coke oven waste heat exchange unit, waste heat utilization system, and method, using supercritical carbon dioxide as the heat exchange medium. The unit includes a main compressor, a regenerator assembly, a high-pressure turbine, a low-pressure turbine, a precooler, and a heat exchanger. The heat exchanger internally houses a high-temperature superheater, a high-temperature reheater, a low-temperature superheater, a low-temperature reheater, an air-cooled wall, and an economizer. The main compressor outlet is connected to the cold-side inlet of the regenerator assembly, and the cold-side outlet of the regenerator assembly is connected to the working fluid inlet of the heat exchanger. The working fluid flows sequentially through the economizer, the air-cooled wall, the low-temperature superheater, and the high-temperature superheater before entering the inlet of the high-pressure turbine. The high-pressure turbine outlet is connected to the inlet of the low-temperature reheater, the low-temperature reheater outlet is connected to the inlet of the high-temperature reheater, and the high-temperature reheater outlet is connected to the inlet of the low-pressure turbine. The low-pressure turbine outlet is sequentially connected to the hot side of the regenerator assembly, the precooler, and the main compressor inlet.

The utility model discloses a barrel sealing device for an activated carbon manufacturing furnace, which relates to the technical field of activated carbon manufacturing furnaces, and comprises a packing component with a cavity and a packing body placed in the cavity, a first end of the packing component is sleeved on the outer wall of a furnace barrel (1), and a second end of the packing component is sleeved on the outer wall of the furnace barrel (1). The sealing expansion joint (6) is connected with the other end of the packing assembly, the furnace cover assembly is connected with the sealing expansion joint (6), and the compensation assembly is connected to the outer wall of the furnace body barrel (1) and used for compensating the interval between the packing assembly and the outer wall of the furnace body barrel (1). The inner wall of the packing assembly is in clearance fit with the outer wall of the compensation assembly, and the packing body makes contact with the outer wall of the compensation assembly. The barrel sealing device can well seal the barrel of the furnace body, so that the interior of the furnace is oxygen-free, and external air is prevented from entering the furnace to cause combustion.

The utility model relates to a boiler denitration ultra-low drain water recovery device. A boiler denitration ultra-low drain water recovery pipeline (1), boiler denitration ultra-low drain water to steam balance valves (2) and a steam balance main pipe (3) are sequentially connected; the boiler denitration ultralow drain recovery pipeline (1), the pipeline (4) from the boiler denitration ultralow drain to the reboiling door, the valve (5) from the boiler denitration ultralow drain to the reboiling door and the pipeline (6) from the boiler denitration ultralow drain to the reboiling door are connected in sequence. The utility model has the advantages of low cost, simple process and high reproducibility. According to the utility model, steam and water separately flow into the deaerator and the pipeline, so that vibration caused by mixed flow of steam and water in the original drainage pipeline is avoided, the running safety of equipment is improved, and the stability of running parameters is ensured.

The utility model discloses a strip tiller belongs to agricultural machinery technical field, including frame main girder, the central part of frame main girder top is provided with three point linkage, and the outside of three point linkage is provided with adjustable support, and the central part of adjustable support is provided with chain drive baffle, and the end of chain drive baffle is connected with rotary tiller shaft sleeve, and rotary tiller shaft sleeve is installed with rotary tiller assembly, adjustable support below is provided with pitch adjusting assembly, and the end of adjustable support is connected with chain drive baffle through spring, and the main girder is installed with speed reducer assembly, and pitch adjusting assembly, adjustable support, chain drive baffle and rotary tiller assembly constitute a whole that can move along the transverse direction of frame main girder. The utility model with the help of hydraulic pitch adjusting assembly and the whole structure that can move in the transverse direction, avoid the problem that the strip tiller row spacing adjustment is complicated, and compact structure is favorable for the adaptability of promotion to complex topography such as hilly, and provides practical equipment for conservation tillage.

The utility model belongs to blast furnace ironmaking technical field relates to a kind of blast furnace top plunger protection structure, including protective grate, the protective grate includes frame and the grid net being set in frame, grid net is formed by transverse and longitudinal staggered grate bar welding, further including wear-resistant protection block, wear-resistant protection block is provided with the structure of insertion slot in lower end face, and the grate bar is inserted in insertion slot. The blast furnace top plunger protection structure of the utility model, by the installation of wear-resistant protection block, the wear resistance of protective grate has been significantly improved. Compared with before optimization, under the same production condition, the wear rate of wear-resistant protection block is significantly reduced, effectively protects the protective grate, prolongs its service life.

The invention provides an opening degree control method, device and equipment for a medium-low pressure cylinder communication valve and a medium, and belongs to the technical field of power plant automatic control. The method comprises the steps that the opening degrees of a small engine control valve and a medium-low pressure cylinder communicating valve are obtained; when the opening degree of the small engine control valve is within the second preset range to the first preset range, the reduction rate of the communication valve is determined; the opening degree of the communication valve is reduced, the opening degree of the small engine control valve is increased to fourth to third preset ranges, and the increasing rate of the communication valve is determined; increasing the opening degree of the communication valve, reducing the opening degree of the control valve until the opening degree of the control valve is within a third preset range to a second preset range, and adjusting the opening degree to a fifth preset opening degree when the opening degree of the communication valve is greater than the second preset range; wherein the third preset opening degree is greater than the fourth preset opening degree, the second preset opening degree is greater than the first preset opening degree, and the fifth preset opening degree is less than the first preset opening degree. The opening degree of the communication valve of the medium-low pressure cylinder is adjusted according to the opening degree of the small engine control valve, stable operation of a unit can be guaranteed, steam flow distribution is optimized, and the working condition adaptability is improved.

The invention discloses a fluid pipe network AI intelligent agent based on a group cooperation mechanism. The fluid pipe network AI intelligent agent comprises an energy self-supply module, a multi-dimensional sensing module, an execution regulation and control module, a dual-mode communication module and an AI collaborative decision module. The multi-dimensional sensing module is used for collecting pipe network operation parameters, fault characteristic signals and environment state data; the dual-mode communication module comprises a long-distance transmission unit and a short-distance instant transmission unit; and the AI collaborative decision-making module is used for carrying out analysis processing on the sensing data, constructing group collaborative logic, generating a regulation and control decision, dynamically optimizing regulation and control parameters and simulating a self-organization behavior of a biological group. According to the invention, by realizing unconscious synchronous regulation and control of multiple nodes, quick response to sudden faults can be completed without intervention of a central platform, the fault processing time is greatly shortened, the loss caused by the faults is reduced, the fault-tolerant capability and the operation reliability of the system are improved, accurate guidance is provided for maintenance work, and the maintenance time is shortened.