10results about How to "No downtime" patented technology

The invention relates to the technical field of high-voltage cascade energy storage systems, and discloses a high-voltage cascade energy storage system based on nested power modules and a control method thereof.The high-voltage cascade energy storage system comprises three phases of chain type energy storage bridge arms connected with three phase lines of a power grid respectively, and each phase of chain type energy storage bridge arm comprises a plurality of cascaded nested power modules; each nested power module comprises a plurality of direct-current chain type energy storage units and an H-bridge circuit, the plurality of direct-current chain type energy storage units are connected in parallel and then are connected with the direct-current side of the H-bridge circuit, and the alternating-current side of the H-bridge circuit is connected with an alternating-current switch; the direct current chain type energy storage unit comprises a plurality of energy storage modules, an electric reactor and a direct current switch, the plurality of energy storage modules are cascaded and then are sequentially connected with the electric reactor and the direct current switch, each energy storage module comprises a battery pack and a half-bridge circuit connected with the battery pack, and the half-bridge circuit is used for charge state balance control of the battery pack. According to the invention, any battery pack can be bypassed after a fault, and the operation reliability of the high-voltage cascade energy storage system is improved.

The utility model discloses a continuous sintering device for perforated brick production, and relates to the technical field of perforated brick production. The continuous sintering device for perforated brick production comprises a supporting plate, a conveying part and a driving part. A conveying part is arranged on the inner side of the supporting plate, a driving part is connected to the right end of the supporting plate, a fixing plate is connected to the surface of the conveying part, a sliding groove is formed in the inner side of the fixing plate, a fixing part is arranged on the inner side of the fixing plate and comprises a containing plate, and clamping strips are connected to the bottom ends of the front side and the rear side of the containing plate. According to the continuous sintering device for perforated brick production, through the fixing part, perforated bricks of different shapes can be fixed, the perforated bricks can be more stable in the processes of taking out, carrying and the like, damage to the bricks is reduced, the application range of the sintering device is widened, and the flexibility of the sintering device is improved.

The utility model relates to the technical field of flow dividers, in particular to a cyclone separator for cleaning tail gas in anhydrous aluminum trichloride production, which comprises a cyclone separator body, a gas outlet pipe is arranged on the top surface of the cyclone separator body, and a gas inlet pipe is arranged at the upper part of the cyclone separator body; a dust collecting mechanism is arranged at the bottom of the cyclone separator body and comprises a collecting shell, a separating assembly and a dust collecting box, the top of the collecting shell is fixedly connected with a discharging port of the cyclone separator body, the bottom of the collecting shell is fixedly connected with the top face of the separating assembly, and the bottom face of the separating assembly is in butt joint with a box opening of the dust collecting box. The separation assembly is used for separating dust in the dust collection box from the cyclone separator body, dynamic sealing is achieved through the separation assembly, gas leakage and dust backmixing are avoided, the separation efficiency is improved, a detachable fixing structure of the dust collection box and the separation assembly supports rapid replacement, shutdown is not needed, and production continuity is guaranteed.

The present invention discloses an air compressor guide vane control system, comprising: a DCS control system, a guide vane position feedback device, and a guide vane actuator composed of a double-acting pneumatic actuator and a guide vane connecting rod mechanism for driving the guide vane movement, and also comprising a throat difference feedback device and a guide vane limit mechanism, wherein the guide vane limit mechanism comprises: a limit block located directly in front of the driving end of the guide vane connecting rod mechanism of the guide vane actuator, and the limit block is controlled by a limit block moving mechanism; the guide vane position feedback device, the throat difference feedback device, the double-acting pneumatic actuator of the guide vane actuator, and the limit block moving mechanism of the guide vane limit mechanism are simultaneously connected to the DCS control system signal. The present invention has the advantages of effectively preventing the air compressor interlocking shutdown caused by the failure of the guide vane actuator and the failure of a single guide vane position feedback device, thereby ensuring the stable and safe operation of the air separation system.

This utility model provides a hot-rolled strip pickling and uncoiling device and a steel production line, relating to the technical field of steel production. It includes a first uncoiling processing assembly, a second uncoiling processing assembly, a scale-breaking machine, and a corner-cutting shear arranged sequentially along the strip's travel direction. The first and second uncoiling processing assemblies each include a coiler, a clamping straightener, and a head-cutting shear arranged sequentially. The two coilers are arranged in parallel and symmetrically. The output strip end of the head-cutting shear in the first uncoiling processing assembly is connected to the coiler in the second uncoiling processing assembly via a transport channel. The head-cutting shear in the second uncoiling processing assembly is connected to the scale-breaking machine via the transport channel. The corner-cutting shear is fixed to the discharge side of the scale-breaking machine and is used to cut the edges and corners of the scaled strip. This solves the technical problem of long downtime and reduced throughput during coil changing in the prior art, achieving the technical effect of eliminating downtime, improving equipment utilization, and shortening coil changing time.

The invention relates to the technical field of related government affair products, and particularly provides an optimization method and device for improving big data export, in each data processing stage, data in a target database is divided into a plurality of processing batches according to a set single-batch processing condition number, and batch information of each processing batch is generated; caching the batch information of each processing batch to a distributed cache service, and sequentially executing the processing process of each processing batch on the target database according to the batch information of each processing batch; and every time the processing process of one processing batch is executed, determining the processing batch as a completed processing batch, and caching the batch code of the completed processing batch to the distributed cache service. Compared with the prior art, the performance of the server can be guaranteed, the problem of server downtime cannot occur in the big data exporting process, and high availability of services is guaranteed.

This invention relates to the field of coal mine tunneling machine technology, and more particularly to an intelligent navigation and positioning device for coal mine tunneling machines, comprising: a laser positioning mechanism, which has a housing fixed to the coal mine tunneling machine and a laser instrument disposed inside the housing, the front side of the housing having a lens for laser penetration; a lens protection mechanism, including an annular cover disposed on the front side of the lens and fixed to the housing, and a transparent film covering the front surface of the annular cover; a transparent film driving mechanism for driving the transparent film to move from left to right or from right to left against the front surface of the annular cover; and a transparent film cleaning mechanism for cleaning the transparent film. The navigation and positioning device of this invention can continuously and efficiently maintain the cleanliness of the laser navigation window, thereby ensuring the continuous operation of coal mine tunneling.

The utility model discloses an ultrasonic automatic cleaning machine for experimental apparatuses. The ultrasonic automatic cleaning machine comprises a box body, water supplementing pipes are arranged at the bottoms of the two sides of the box respectively, an outlet of the water inlet pump is connected with one end of a water inlet pipe through a one-way valve and an electromagnetic valve in sequence, and the other end of the water inlet pipe is connected with the two water supplementing pipes respectively; a plurality of L-shaped blow-off pipes penetrate through the top of the side wall of the box body, an inlet of the water outlet pump is connected with one end of a water outlet pipe through a manual valve, and the other end of the water outlet pipe is connected with the blow-off pipes; the frame body is movably arranged in the box body; a vibration head of the ultrasonic generator is fixed on the outer wall of the box body, and a control device of the ultrasonic generator is fixed at the bottom of the box body. The device has the advantages that flowing water is arranged in the box body, and ultrasonic vibration is increased to clean experimental apparatuses. The method is carried out 10 hours ahead of time, the number of times of washing and the water consumption of washing are reduced in the next day, flowing water enters and exits in a small-flow and slow-flow-speed mode, and the water consumption of ultrapure water can be reduced compared with manual cleaning of experimental instruments.

The invention discloses a decontamination type water tank for a central heating and heat exchange station, and belongs to the technical field of decontamination type water tank treatment.The decontamination type water tank for the central heating and heat exchange station comprises a decontamination water tank body, a water inlet main pipeline is installed on one side of the decontamination water tank body, and a first water distribution pipe and a second water distribution pipe are fixedly installed at the two ends of the water inlet main pipeline respectively; the two sides of the lower end of the decontamination water tank are fixedly connected with water outlet pipelines respectively; an automatic partitioning mechanism is installed in the sewage removal water tank, a driving mechanism is installed at the upper end of the automatic partitioning mechanism, tank wall cleaning mechanisms are symmetrically arranged on the two sides of the automatic partitioning mechanism, and fixing frames are symmetrically and fixedly installed on the two sides of the sewage removal water tank. By designing the matched automatic zoning mechanism, the first water distribution pipe and the second water distribution pipe, the area in the water tank is divided into two parts for cleaning, so that the whole system is prevented from being shut down, and the stability of the heat exchange efficiency is ensured.

This utility model relates to a temperature-controlled tea processing and roasting machine, including a temperature-controlled chamber, of which two chambers are provided; it also includes a ventilation chamber disposed between the two temperature-controlled chambers, with a ventilation component inside the ventilation chamber, and a sliding component inside the temperature-controlled chamber. A roasting component is mounted on the sliding component, which is used to move the roasting component out of the machine. The ventilation component is used to transfer excess heat from the temperature-controlled chamber currently roasting to the other temperature-controlled chamber for preheating the tea. A heat recovery pipe is installed on the left side of the temperature-controlled chamber to recover excess heat from the preheating temperature-controlled chamber. A heat supply pipe is connected to the rear end of the temperature-controlled chamber, and a diverter plate is connected to one end of the heat supply pipe extending into the temperature-controlled chamber. This new model, through the symmetrical layout of the two temperature-controlled chambers, allows excess heat generated during high-temperature roasting in one chamber to be transported to the other chamber via the ventilation component for preheating the tea, reducing subsequent energy consumption, while simultaneously controlling the discharge of heat to stabilize the temperature.