45results about How to "Jet effect is good" patented technology

The invention relates to a mortar mixing device for construction engineering. The mortar mixing device comprises a cam part, a piston cylinder part, a mortar mixing chamber, a water supply part, a feeding groove and a discharging groove. By arranging a cam with a specific structure to be matched with the arrangement mode of a mortar mixing shaft, mortar is uniformly mixed without dead corners andcan be filled with fine bubbles, and thus the quality of the mixed mortar is improved.

The invention discloses a disc-type micropore aerator including a flow guide disc, a rubber membrane sheet and a plurality of gas guide pipes; the middle part of the flow guide disc is provided with a hollow flow guide pipe protruding out of the upper surface of the flow guide disc, the end part of the upper end of the flow guide disc is in a sealing state, and the side wall surface of the upper end is provided with a plurality of gas guide holes; the central area of the rubber membrane sheet is a non-pore area, and the periphery area is provided with a plurality of micropores penetrating through the rubber membrane sheet; the rubber membrane sheet is positioned above the flow guide disc, the periphery edge of the rubber membrane sheet and the periphery edge of the flow guide disc are in sealing connection, and a gas guide cavity is formed between the flow guide disc and the rubber membrane sheet; the plurality of gas guide pipes are each of an V shape, one end of each of the plurality of gas guide pipes is connected with one of the plurality of gas guide holes, the side wall of the other end of each of the plurality of gas guide pipes is provided with a gas outlet hole, the gas outlet direction is that a gas flow sprays to a part of the central area of the rubber membrane sheet, and the gas outlet holes are each provided with a non-return valve. The device cannot cause pollution of ventilation pipelines.

The invention discloses shower equipment with adjustable jet flow. A spraying needle is arranged in a spraying nozzle. A cold water inflowing space and a jet flow cold water outlet are formed between the spraying nozzle and the spraying needle. A hot water inflowing space is formed between the spraying nozzle and a valve body. A cold water inlet is respectively communicated with a cold water opening and the cold water inflowing space. A hot water inlet is respectively communicated with a hot water opening and the hot water inflowing space. When the shower equipment is used, the cold water inflowing space, the hot water inflowing space and the jet flow cold water outlet can be adjusted as long as the spraying nozzle is adjusted to move in the axis direction of a jet flow injection valve. According to the technical scheme, the good injection effect is achieved through a simple operation mode.

The present invention discloses an in-depth and precise drug administration device and drug administration method based on respiration department. The in-depth and precise drug administration device comprises an insertion vertical tube, a lower end of the insertion vertical tube is connected with an air inflation-free cover bag, an upper end of the insertion vertical tube is connected with a toothbite block, an upper end of the tooth bite block is connected with an adjusting tube, the adjusting tube and the insertion vertical tube are internally provided with an insertion outer pipe, an outerwall of the insertion outer pipe is provided with external threads, an inner wall of the adjusting tube is provided with internal threads, the insertion outer pipe internally coaxially sleeves an insertion inner pipe, the insertion inner pipe in internally provided with a partition plate, a lower side of the partition plate forms a drug storage cabin, the partition plate is provided with a spraynozzle, a lower end of the spray nozzle is connected with a jet pipe, a lower end of the insertion outer pipe is connected with a joint, and the joint is provided with a spray head. The drug administration device can directly reach diseased parts to conduct in-depth and precise drug administration in a relatively mild manner, a ventilation method is used to conduct atomization of drug liquid intodrug mist, and the in-depth and precise drug administration device can conduct uniform drug administration of the diseased parts of patients in the respiration department, alleviates work difficulty of medical staff during the in-depth drug administration, and at the same time is simple in overall structure, convenient to operate, and strong in practicality.

The invention relates to a nozzle technology, in particular to a diamond nozzle of an ultra-high pressure liquid jet and a manufacturing method of the diamond nozzle. The diamond nozzle comprises a diamond sheet, a metal nano-powder layer, a metal backup shoe and a metal shell, the metal shell is provided with a built-in cavity, the cavity is filled with metal nano-powder and forms a metal nano powder layer, the metal nano powder layer is internally provided with the diamond sheet, the diamond sheet is arranged at the position of a central axis of the cavity of the metal shell, tightly wrappedby the metal nano-powder and integrated with the metal shell, the top of the metal shell is provided with an upper formed opening, the metal backup shoe is provided with a lower formed opening, the diamond sheet is internally provided with a nozzle through hole in a penetrating mode, and communicates with the upper formed opening and the lower formed opening. According to the diamond nozzle, diamond is adopted as a core material, the hardness and flow coefficient are high, the diamond is installed in a cutting head and a spraying head of fluid equipment, the jet effect is better, crack and passivation of an orifice cannot be produced in the use process, and the service life of the nozzle is far longer than that of other materials.

The invention relates to the technical field of ferrous metallurgy, in particular to a system and a method of measuring a pressure loss of a converter oxygen lance pipeline. The system and the methodare applicable to measurement of a pressure loss of a 30-400t converter oxygen lance pipeline. The system mainly comprises a gas main pipeline, an oxygen lance branch pipeline, a flow regulating valve, a pressure transmitter, a computer system, an oxygen lance and a throttling head, wherein gas in the gas main pipeline enters the oxygen lance branch pipeline; the pressure transmitter transmits a signal to the computer system to display a pressure value P1 at the oxygen lance branch pipeline; the gas flows though the throttling head; a pressure value P2 displayed by the pressure transmitter mounted on the throttling head can be read on site or displayed by the computer system; and a measured oxygen lance pipeline pressure loss value delta P is equal to P1-P2. The system and the method havethe advantages that the stagnation pressure at an oxygen lance spray head inlet cannot be obtained under a practical production condition, but the stagnation pressure at different oxygen lance spray head inlets can be obtained by measuring the pressure loss; the performance of an oxygen lance gas supply pipeline can be evaluated; and the design of a converter oxygen lance spray head and the operation of an oxygen lance can be optimized.

The invention relates to paint spraying equipment for shipbuilding. The paint spraying equipment comprises a box body, a fixing pipe, a nozzle, an air pump, an air pipe and a sealing cover, wherein the box body is cylindrical and is vertically arranged, a mounting hole, an air hole and a feeding hole are formed in the top of the box body, the fixing pipe and the box body are coaxially arranged, and penetrates through the mounting hole, the fixing pipe is fixedly connected with the inner wall of the mounting hole in a sealed mode, the nozzle is mounted at the top end of the fixing pipe, the airpipe vertically penetrates through the air hole, the air pipe is fixedly connected with the inner wall of the air hole in a sealed mode, the air pump is fixed to the top of the box body, the air pipeis mounted on the air pump, the feeding hole is formed in the side, away from the fixing pipe, of the air pipe, and an auxiliary mechanism and a stirring mechanism are arranged on the box body. According to the paint spraying equipment for shipbuilding, through the auxiliary mechanism, the situation that a paint surface wrinkles due to the fact that a nozzle sprays air can be prevented, the air spraying effect is improved, and in addition, the function of stirring paint is achieved through the stirring mechanism.

The invention discloses a two-stage oil absorption electric fuel pump with jet. The pump comprises a motor, a pump body and a shell, wherein the motor and the pump body are arranged in the shell; the pump body comprises an oil outlet plate, a secondary impeller, an oil inlet plate, a primary impeller and a pump cover; the oil outlet plate is arranged on the motor through an oil bearing; the secondary impeller is positioned between the oil outlet plate and the oil inlet plate; the primary impeller is positioned between the oil inlet pipe and the pump cover; and one end of the shell is provided with an oil outlet. The two-stage oil absorption electric fuel pump with the jet has a simple structure, low cost and high effective output power.

The invention discloses a water film spreading device of a solar cell wet etching machine, the device comprises an etching machine body, through grooves are formed in the left side and the right side of the etching machine body, a plurality of transmission rollers are arranged in the etching machine body at equal intervals, silicon wafers are placed on the transmission rollers, a water outlet pipe is fixedly connected to the side wall of the etching machine body, the outer side of the water outlet pipe is sleeved with a second water conveying hose, a sixth hoop is fixedly installed on the outer side of the joint of the second water conveying hose and the water outlet pipe, and a machine cover is clamped to the upper end of the etching machine body. By designing a first motor, a driving bevel gear, a driven bevel gear, a connecting sleeve, a vertical pipe, a water pump, a first water conveying hose, the second water conveying hose and other components, a formed water spraying device can achieve rotary water spraying, spraying is more sufficient, water circulation can be achieved, waste of liquid medicine is avoided, and the liquid medicine is saved while rapid spraying is achieved.