39results about How to "Uniform and stable delivery" patented technology

The invention discloses a liquefied air energy storage system. The liquefied air energy storage system comprises an energy storage unit, a liquidation unit, a liquid storage unit storing a liquid-state working medium, a gasification unit and an energy release unit, wherein the energy storage unit comprises a compression device, a first heat exchanger and a cooler which are sequentially connected;the energy release unit comprises an expansion unit and a second heat exchanger which are sequentially connected; the liquidation unit comprises a liquidation device with an inlet end which communicates with an outlet end of the cooler; the gasification unit comprises an evaporation device with an outlet end which communicates with an inlet end of the second heat exchanger; the liquid storage unitcomprises a liquid storage device connected between the liquidation unit and the evaporation device; a gas buffer device is further communicated between the evaporation device and the second heat exchanger; and a gas-state working medium generated in the evaporation device is temporarily stored in the gas buffer device and then enters the second heat exchanger. The gas buffer device is arranged between the evaporation device and the second heat exchanger, so that a response time in a process of adjusting output frequency of the liquefied air energy storage system can be shortened, and the frequency adjustment performance of the liquefied air energy storage system is improved.

The invention discloses a channel assembly. The channel assembly comprises a shell which is matched with a tube plate, wherein a current sharing tube with the sealed inner end part is arranged in the middle of the shell; a plurality of first-stage current sharing holes are formed in the sealing surface and side wall of the current sharing tube; a refrigerant air outlet tube and a refrigerant liquid inlet tube which is coaxially communicated with the current sharing tube axially penetrate the shell; a current sharing plate which is matched with the current sharing tube is arranged on the end surface of the shell, which is matched with the tube plate; and a plurality of second-stage current sharing holes which are in one-one-to-one correspondence with heat exchange tubes of the tube plate and adapt to the heat exchange tubes mutually are arranged on the current sharing plate. The channel assembly can improve the heat exchange efficiency of a dry-type evaporator and causes the overall operation of the dry-type evaporator to be relatively stable and efficient. The invention also discloses the dry-type evaporator adopting the channel assembly.

The invention discloses a thin film conveying device which comprises a rack (1). A driving roller (2) is erected on the rack (1) and is driven by a motor (5), a compression roller (3) is arranged above the driving roller (2), air cylinders (6) are arranged at the two ends of the compression roller (3) and used for driving the compression roller (3) to move up and down, a supporting device (4) is arranged below the driving roller (2) and comprises a base (7) and a supporting roller (8), the base (7) is installed on the rack (1), and the supporting roller (8) is in contact with the driving roller (2). The thin film conveying device is ingenious in structure; through the air cylinders arranged at the two ends of the compression roller, pressing and lifting of the thin film conveying device can be flexibly controlled; the supporting device is arranged below the driving roller, and therefore the flat and straight driving roller can be guaranteed, the middle portion cannot droop, and even and stable thin film conveying is kept; and the supporting device is ingenious and reasonable in structure, flexible adjustment can be carried out according to needs, and the device is worthy of popularization.

The invention discloses a round pin-point gate pouring molding structure. The structure comprises a supporting mechanism, a mold closing mechanism is arranged at the top of the upper end of the supporting mechanism, a base plate is arranged at the bottom of the lower end of the supporting mechanism, screws are arranged on the periphery of the outer side of the supporting mechanism, and a lower mold cavity is formed in the top of the upper end of the supporting mechanism. A molding mechanism is arranged on the inner side of the upper end of the mold closing mechanism. Auxiliary feeding mechanisms are arranged on the two sides of the interior of the molding mechanism. According to the structure, a heating wire layer is used for heating the upper mold cavity, so that the situation that the temperature in the mold cavity is too low, water vapor is generated due to direct contact with melt, even the water vapor is accumulated in the mold cavity, flowing and molding pressure of the melt are affected, and bubbles are generated in a product is avoided. Through the heating of the heating wire layer, preheating operation can be carried out before molding, so that the situation that melt flows discontinuously in the mold cavity due to too large mold temperature difference is avoided.

The invention relates to a movable rubber belt conveyor in the technical field of material transfer devices. The movable rubber belt conveyor comprises a rubber belt conveyor, a walking mechanism anda vibrating feeder, wherein the rubber belt conveyor comprises a horizontal section and an inclined section connected to the tail part of the horizontal section, a bracket platform is arranged above the walking mechanism, the front end of the bracket platform is connected with a hydraulic cylinder through a pin shaft, the top of the hydraulic cylinder is connected below the top of the inclined section of the rubber belt conveyor through a pin column, the rear end of the bracket platform is connected with a cable-stayed support through a pin shaft, a hopper is connected above the tail part of the inclined section of the rubber belt conveyor, a vibrating feeder is connected below the hopper through a spring, a discharging port of the vibrating feeder is formed above a material guide groove in the tail part of the inclined section of the rubber belt conveyor, and the top of the cable-stayed support is connected with the hopper and the head part of the horizontal section of the rubber beltconveyor through round steel. The movable rubber belt conveyor is simple in structure, light in weight, low in operation power, capable of meeting the requirement for stable transportation of the muck in tunnel construction and high in reliability.

The invention discloses an intermittent feeding device for intelligent machining. The intermittent feeding device comprises a substrate, a material dumping barrel and a material conveying device. Thematerial dumping barrel is fixedly mounted above the substrate. The bottom side of the material dumping barrel is fixedly connected with the material conveying device used for rotating and upwards conveying materials. A vibration device achieving extrusion through rotating is fixedly mounted on the bottom side of the material dumping barrel. A supporting column is fixedly mounted at the position,located on the bottom side of the material conveying device, of the upper surface of the substrate. A fixed frame is fixedly mounted on the upper surface of the substrate. A quantitative device used for intermittently and quantitatively discharging materials is fixedly mounted at the corresponding position, located at the top end of the material dumping device, of the upper surface of the fixed frame. By means of the arrangement of the device, programming intelligent control over the rotating speed of a drive device is achieved through a controller, the material quantity during feeding can becontrolled conveniently, the trouble of manual feeding is omitted, and feeding work becomes safer, more time-saving and more labor-saving.

The invention discloses a grouting method for a corrosion geological underwater large-diameter drilled pile. The grouting method comprises the following steps of: (1) hole opening; (2) drilling to form the hole; (3) hole cleaning; (4) steel reinforcement cage placement, (5) guide tube lowering; (6) first batch concrete grouting, namely hoisting a large hopper, which is connected to the guide tube, onto a guide tube platform; arranging 2-4 concrete tank trucks and 2-4 ground pumps on the shore, wherein pump lines of the ground pumps are connected to the large hopper by means of a temporary floating bridge; the concrete tank trucks deliver concrete to the ground pumps, and the ground pumps pump concrete into the large hopper; after the large hopper is full of concrete, a ball is pulled out; and 2-4 ground pumps are employed to feed concrete at the same time; and (7) subsequent concrete grouting, namely after the completion of first batch concrete grouting, replacing the large hopper by a small hopper having the capacity of 2-5 m3 for grouting to a designed elevation. By means of the grouting method for a corrosion geological underwater large-diameter drilled pile, the construction difficulties of the corrosion geological condition and a wide river channel can be overcome, and the quality of the drilled pile can be improved so as to ensure the stability of the main tower of a bridge.

The invention discloses a production device for pencil processing. The production device comprises a feeding device, a conveying device and a screw hole machining device. The feeding device is arranged on one end of the conveying device, the conveying device comprises a conveying belt, the conveying belt comprises a rack, a belt body, an abutting ejecting belt and partition blocks, the belt body is arranged on the rack, the belt body and the abutting ejecting belt are annular, the abutting ejecting belt is fixed to the belt body and surrounds the belt body, the partition blocks are in strip shapes and are perpendicular to the abutting ejecting belt, the partition blocks are evenly distributed on the belt body in parallel, a partition is formed between two adjacent partition blocks in the multiple partition blocks, the screw hole machining device is arranged on the side of the conveying belt, and the screw hole machining device and the abutting ejecting belt are located on the two sidesof the partition blocks. Compared with the prior art, the multiple partition blocks are arranged on the conveying device, the partition is arranged between two adjacent partition blocks in the multiple partition blocks, pencils are located in the partition, and uniform and stable conveying can be achieved. The abutting ejecting belt is arranged, in the screw hole machining process, the pencils are ejected against on the abutting ejecting belt, and screw hole machining work is facilitated.

The invention relates to a dosing system for inking up rollers in a printing machine. The aim of the invention is to create a dosing system which achieves, with a low level of complexity, a uniform and steady ink guidance on a roller surface and which noticeably improves the printing quality. To these ends, the invention provides that a coating device (12) is, in the rotational direction of a roller, engageably arranged on the outer surface of the roller (1), preferably after a contact zone (10) in which an ink separation occurs.

The air outlet device comprises a shell and a partition piece, the shell is provided with a flowing cavity, an air inlet end and an air outlet end, the air inlet end and the air outlet end communicate with the flowing cavity, the air inlet end is used for feeding air into the flowing cavity, and the air outlet end is used for discharging air in the flowing cavity out of the flowing cavity. The partition piece is arranged in the flowing cavity and extends from the air inlet end to the air outlet end, and the partition piece is used for dividing the flowing cavity into at least two airflow channels. Air flow entering the flowing cavity from the air inlet end is divided into the at least two air flow channels, flows in the extending direction of the corresponding air flow channels and then is discharged out of the flowing cavity from the air outlet end. Therefore, according to the scheme, airflow can enter from the air inlet end and then is shunted to the airflow channel with smaller volume, so that the airflow can be uniformly and stably transmitted to the air outlet end, the air outlet is more uniform and smooth, and the use experience of a user is improved.

The invention discloses a powder metering, distributing and conveying device for a fixed fluidized bed, which comprises a fluidized tank, a powder feed pipe connected to the top of the fluidized tank, and a fluidized gas inlet pipe connected to the bottom of the fluidized tank. A powder level gauge is installed on the tank, a filter cloth fluidization gas distributor is installed at the lower end of the fluidization tank cavity, a mechanical stirring paddle is installed in the fluidization tank, and a mechanical stirring paddle is installed above the filter cloth fluidization gas distributor There are powder feeding pipelines on the side wall at the same height or slightly higher. This device is used to achieve high-stable metering, conveying and distributing powder, according to the physical characteristics of powder conveying, fluidized gas and powder feeding pipeline, as well as the diameter and length of powder feeding pipeline, the pressure between the fluidized tank and the powder receiving device, etc. The parameters are calculated precisely for each component. Only one piece of equipment is used to realize stable and continuous conveying, accurate metering and distribution of powder under high gas-solid ratio. The present invention is especially suitable for thermal plasma cracking coal direct production of acetylene powder feeding device and coal gasification device, and can be widely used in environments where powder is used, such as plastic processing, chemical industry, steel industry and the like.

The invention discloses a pressure-regulating mixer, which comprises a powder inlet and a mixer main body, the powder inlet is arranged on the side wall of the mixer main body, and a blanking chamber is arranged inside the mixer main body facing the powder inlet. A nozzle is arranged in the blanking chamber, and the pressure regulating mixer also includes a pressure regulating assembly and a pressure equalizing chamber, and the pressure regulating assembly includes a negative pressure regulating mechanism. In the pressure regulating mixer disclosed by the present invention, the negative pressure regulating mechanism enters into the interior of the mixer main body to block the spraying of the nozzle, and adjusts the negative pressure in the mixer main body by adjusting the size of the spraying range of the nozzle, thereby reducing the resistance loss of the mixer; The pressure equalizing chamber and its pressure measuring hole prevent powder from accumulating in the blanking chamber; online adjustment of negative pressure can be easily realized, ensuring uniform and stable powder delivery.

A provided hard-biomass crusher comprises a frame and a crusher shell; the frame is provided with a conveying belt; the cavity of the crusher shell is inside provided with a revolving knife roll; the revolving knife roll is disposed above the conveying belt, and the axial direction of the revolving knife roll is perpendicular to the conveying direction of the conveying belt; the sidewall of the revolving knife roll is provided with a crushing blade; the cavity of the crusher shell is inside provided with a knife-fixing frame disposed above the revolving knife roll, and one side, facing to the revolving knife roll, of the knife-fixing frame is provided with a knife-fixing strip; the revolving knife roll is in transmission connection with a driving mechanism; the frame is provided with a belt transmission apparatus in transmission connection with the conveying belt; and the rotation direction of the revolving knife roll is adverse to the conveying direction of the conveying belt. A crushing mechanism is arranged above a conveying mechanism, conveying of charged / discharged materials is finished by the same conveying mechanism, crushing of biomass is facilitated. The crushing mechanism has the effects of winnowing biomass to enable biomass to be fluffy and tearing and crushing biomass, and the condition that biomass blocks a crushing chamber is avoided.