28 results about "Jet injector" patented technology

A jet injector that includes a prefilled syringe. The syringe includes a fluid chamber that contains a medicament. The syringe also has an injection-assisting needle, and a plunger is movable within the fluid chamber. A housing is configured for allowing insertion of the needle to a penetration depth. An energy source is configured for biasing the plunger to produce an injecting pressure in the medicament in the fluid chamber of between about 80 and 1000 p.s.i. to jet inject the medicament from the fluid chamber through the needle to an injection site.

The application provides an inlet pressurization system, wherein an outlet high-pressure pipe is connected to an outlet of a centrifugal pump, the outlet high-pressure pipe is connected with a throttle valve, the other end of the throttle valve is connected with a pressurized jet injector through a flow guide pipe, one end of the pressurized jet injector is connected with an inlet low-pressure pipe, the other end of the pressurized jet injector is connected with a mixed pressure device, and the tail end of the mixed pressure device is connected with the inlet of the centrifugal pump. The system has simple structure, high efficiency, easy maintenance and low cost, and effectively solves the cavitation problem, the evacuation problem and other problems caused by low pressure of the centrifugal pump in conveying easy-vaporization medium.

This invention belongs to the field of aerobic biochemical technology, specifically relating to a liquid-gas jet injector, including an air inlet pipe, a liquid inlet pipe, an air intake tank, a jet nozzle, a throat, a guide tube, and a mixer. A first channel is provided between the outlet of the nozzle and the first jet port of the air intake tank, allowing air to be drawn into the first jet port through the first channel. The throat is connected to the first jet port. A second channel is provided between the outlet of the throat and the guide tube to facilitate the intake of liquid flow to form a second gas-liquid mixture. The throat is used for the first gas-liquid mixing and transport, and the mixer is used for the mixing and transport of the second gas-liquid mixture. The gas-liquid mixture at the outlet of the mixer comes into contact with the liquid in the liquid pool, forming a third oxygen transfer. This solution achieves three-stage oxygen mass transfer between gas and liquid, overcoming the limitation of the optimal 1:1 mass transfer ratio of air to liquid in the throat; it ensures thorough mixing of gas and liquid, avoiding the drawbacks of localized high dissolved oxygen; and it improves the oxygen transfer efficiency between gas and liquid.

The utility model discloses a novel combustor. The lower end of the main body is provided with an air inlet transversely penetrating through the main body, a first internal thread is arranged in a pipe cavity located below the air inlet, the lower end of the air injection piece is provided with an air inlet connector, the upper end of the air injection piece is provided with a second connecting part, the second connecting part is in threaded connection with the first internal thread, and the second connecting part is provided with an air injection hole. The blowhole is positioned in the air inlet; the air door is rotated to control the shielding degree of the air door and the air inlet so as to control the mixing proportion of combustible gas and air, the mixing proportion of the combustible gas and the air can be controlled through the air door according to needs, and the gas-fuel mixing pressure can be adjusted by adjusting the height of the gas spraying hole to adjust the spraying of the combustible gas according to needs. In addition, the gas burner has the advantages of being simple in overall structure, high in applicability, ingenious in structure, capable of saving energy and environmentally friendly.

The present invention provides a device and method for multi-stage venturi injection enhanced flue gas desulfurization, the device comprises an absorption tower body and a reverse injection tower connected to the absorption tower body at the lower end, a tail gas inlet is arranged at the upper part of the reverse injection tower, a tail gas outlet is arranged at the top of the absorption tower body, a liquid distributor and a multi-stage venturi injector are arranged in the reverse injection tower; the sulfur-containing tail gas enters the reverse injection tower and reacts and absorbs with droplets of different sizes injected by the first, second and third stage venturi injectors respectively, and part of the tail gas enters the venturi injectors of each stage through negative pressure self-absorption to form a self-circulation of the tail gas; the tail gas after the reaction enters the absorption tower body and is discharged. The flow field in the reverse injection tower is highly turbulent, the gas-liquid interweaving degree is high, the liquid column and the droplets injected by the three-stage injection collide in the process of falling and dispersing, and a new gas-liquid contact surface is continuously generated to enhance mass transfer; at the same time, the tail gas in the negative pressure self-absorption tower of the venturi injector is absorbed by the tail gas for multiple cycles, which greatly increases the tail gas absorption efficiency.

The invention provides a jet bioreactor, a monitoring method and a monitoring system thereof, electronic equipment and a storage medium. The method comprises the following steps: acquiring original image data of a jet flow image of jet flow from a jet flow ejector; preprocessing the original image data; the preprocessed data after preprocessing are input into the trained jet monitoring model, parameter analysis data of the output jet image are obtained, and the parameter analysis data at least comprise the jet angle of the jet, the velocity vertical component of the jet and the oscillation average value of the jet; based on the parameter analysis data, feeding back and adjusting a plurality of parameter settings of the jet bioreactor system, and further optimizing the parameter analysis data based on a plurality of adjusted parameters, the plurality of parameter settings include a pressure-flow characteristic of a pump assembly in the jet bioreactor system, an operating pressure of the jet bioreactor system, a gas phase component of a jet, and a mass flow of a gas phase.

The invention relates to a rotating device of an injector nozzle brazing seam ultrasonic detection water immersion probe, and belongs to the technical field of ultrasonic detection. The installation supporting plate is of a vertically-placed plate-shaped structure. The mounting platform is horizontally mounted on the side wall of the mounting support plate; the positioning core is of a cylindrical structure which is vertically arranged in the axial direction; the positioning core is arranged on the mounting platform; the movable ring module is of a cylindrical structure which is vertically arranged in the axial direction; the movable ring module is mounted on the mounting platform and is coaxially positioned below the positioning core; the probe rod axially and vertically penetrates through the positioning core and the moving ring module; the static ring module is sleeved on the outer wall of the moving ring module; the slip ring holding sleeve is sleeved on the outer wall of the static ring module; the slip ring holding sleeve is fixedly mounted on the mounting platform; the speed reducer is arranged on one side of the positioning core; the external ultrasonic probe is mounted at the bottom of the probe rod; according to the invention, traditional product rotation is replaced by probe rotation, so that the problem that the product cannot rotate and cannot be detected when the nozzle brazing seam on the injector is detected is solved.

A jet injector that includes a prefilled syringe. The syringe includes a fluid chamber that contains a medicament. The syringe also has an injection-assisting needle, and a plunger is movable within the fluid chamber. A housing is configured for allowing insertion of the needle to a penetration depth. The housing includes a retractable guard and an interference component, e.g., a lock ring, adjacent to the retractable guard that interferes with the movement of the retractable guard. An energy source is configured for biasing the plunger to produce an injecting pressure to jet inject the medicament from the fluid chamber through the needle to an injection site.

This utility model discloses a jet ejector with strong sealing performance, comprising an ejector body and a water inlet. The water inlet is internally connected to one end of the ejector body, and a nozzle is provided at one end of the water inlet. An outlet is provided at the other end of the ejector body, and a suction port is provided at one end of the ejector body. The key feature is that a sleeve is fixedly provided on the outer side of the end of the ejector body away from the outlet, and a retaining ring is fixedly provided on the outer side of the water inlet. The retaining ring is located between the ejector body and the sleeve. A fixing structure is also included, disposed inside the sleeve and the retaining ring, for fixing the retaining ring. The advantages of this utility model compared to existing technologies are: it can improve the sealing effect of the jet ejector and facilitates the disassembly and installation of the water inlet.

The present application relates to the technical field of injector, aiming at solving the problem that the state of combustion heater is multiple, the existing injector is a whole or welded structure, which is not conducive to the inflow parameter adjustment of the combustion heater, providing a bubble nozzle injector with an assembly structure, comprising a bubble gas cover plate, a fuel cavity panel and an oxidant panel arranged in sequence from top to bottom, which are assembled into a whole; the top of the bubble gas cover plate is provided with an air inlet, and the bubble gas cover plate is provided with a gas cavity; the fuel cavity panel is provided with a fuel cavity, and the fuel cavity panel is detachably connected with a bubble nozzle and a fuel nozzle, one end of the bubble nozzle is communicated with the gas cavity, and the other end of the bubble nozzle is inserted into the fuel nozzle; one end of the fuel nozzle is communicated with the fuel cavity, and the other end of the fuel nozzle is inserted into a through hole formed in the oxidant panel and is flush with the oxidant panel; the oxidant panel is provided with an oxidant cavity and an oxidant injection hole, and the oxidant injection hole is arranged around the through hole.

This utility model relates to the field of chemical technology, and in particular to an indoor simulation experimental platform for bromine extraction using the air blowing method. The platform includes a reaction tank, a mother liquor tank, a first circulation tank, a second circulation tank, a collection liquid tank, a blowing tower, an absorption tower, a purification tower, and a mist eliminator. Compared to traditional indoor simulation experimental platforms for bromine extraction, this utility model improves the controllability and stability of the chlorine gas inlet reaction through the coordinated use of the reaction tank, jet circulation pump, second regulating valve, first regulating valve, and jet injector. The coordinated use of the reaction tank, mother liquor tank, first circulation tank, second circulation tank, collection liquid tank, blowing tower, absorption tower, purification tower, and mist eliminator improves the extraction quality. The blowing tower, absorption tower, purification tower, and mist eliminator adopt an upper and lower split structure, facilitating the replacement of the packing material according to different experimental needs. This improves the operational convenience of the indoor simulation experiment for bromine extraction using the air blowing method, reduces experimental costs, and enhances the adaptability of the experimental platform.

The invention provides a reaction kettle structure facilitating installation and adjustment of a jet ejector, the reaction kettle structure comprises a reaction kettle body, a side ejection device and a bottom ejection device, the side ejection device and the bottom ejection device each comprise a flange seat, a positioning flange, a bent pipe and an ejector, the positioning flange is rotatably arranged in the circumferential direction of the positioning flange and is connected with the flange seat, and the ejector is connected with the bent pipe; the bent pipe penetrates through the positioning flange and is connected with the positioning flange, a bent section of the bent pipe extends into the reaction kettle body, and the ejector is connected to the bent section of the bent pipe. Therefore, through matched installation of the flange seat and the positioning flange, flexible adjustment of the jet flow ejector can be achieved, different jet flow directions can be achieved by adopting different bending angles of the bent pipe when a plurality of ejection devices are arranged, the orientation angle of the bent pipe can be adjusted by rotating the positioning flange, and therefore the flexibility of the jet flow angle and direction of the ejector is achieved. The limitation of installation directly through an installation seat traditionally is eliminated, installation can be adjusted according to needs, and disassembly and assembly are convenient.

This utility model discloses a rotary jet injector for a vertical cylindrical storage tank, belonging to the field of oil tank transportation technology. It includes a storage tank body and a rotating component disposed within the tank body. Multiple jet pipes are fixed in a circular array on the outer wall of the rotating component. A conveying pipe is embedded in the top of the storage tank body, and a fixed base is installed below the conveying pipe. The rotating component is rotatably mounted in the fixed base, and blades that drive the rotating component to rotate are embedded in the top of the fixed base. A power transmission mechanism connected to the blades is embedded between the fixed base and the rotating component. In this rotary jet injector for a vertical cylindrical storage tank, the rotating component rotates 360 degrees within the storage tank body. Each nozzle is positioned differently, corresponding to different liquid levels. The high-speed rotating nozzles eject fluid that impacts the bottom of the storage tank body, creating forced circulation of the medium within the tank body and reducing the occurrence of oil sludge settling at the bottom.

The present invention discloses a jet injector with a heating or cooling element that controls the temperature of the fluid or drug, as it flows through the body or out the outlet of the jet injector. In one example a jet injector is disclosed comprising a body, to house a fluid or drug a mechanism in which to develop a pressure in the fluid or drug an outlet that the fluid or drug is ejected out of due to the pressure developed, where in use, the fluid or drug is injected into a patient a heating or cooling element configured to control the temperature of the fluid or drug, as it flows through any one or more of: the body or the outlet.

A jet injector that includes a prefilled syringe. The syringe includes a fluid chamber that contains a medicament. The syringe also has an injection-assisting needle, and a plunger is movable within the fluid chamber. A housing is configured for allowing insertion of the needle to a penetration depth. The housing includes a retractable guard and an interference component, e.g., a lock ring, adjacent to the retractable guard that interferes with the movement of the retractable guard. An energy source is configured for biasing the plunger to produce an injecting pressure to jet inject the medicament from the fluid chamber through the needle to an injection site.

The utility model discloses a kind of SX and SL mixed type static mixers, it is related to ethanolamine production equipment technical field, it includes mixing pipe, mixing pipe both ends open, it is characterized by: mixing pipe is mixed cavity, one end of mixing pipe is used to connect liquid nitrogen import flange, the other end of mixing pipe is mixed fluid export, epoxyethane import flange is installed intercommunication in the side of mixing pipe close to liquid nitrogen import flange, spiral jet injector inserts mixed cavity, SX type inner part and SL type inner part are sequentially arranged along the injection direction of spiral jet injector, the SL type inner part is composed of multiple helical blades, the SX type inner part is composed of staggered arrangement plate blade, spiral jet injector is composed of helical nozzle and inner extension pipe assembly, inner extension pipe is fixedly connected with epoxyethane import flange, helical nozzle is inserted into mixed cavity by inner extension pipe, solve the technical problem that single type static mixer mixes poor effect, polymer is easily blocked in mixing process, reaction pressure drop increases.

The current disclosure provides a severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike-based DNA vaccine capable of eliciting immune response to a SARS-CoV-2 in a human subject upon administration. Also provided is a method of eliciting an immune response to a SARS-CoV-2 in a human subject by administering the SARS-CoV-2 spike-based DNA vaccine, for example, intramuscularly using a jet injector.

The utility model provides a proportional dosing device and reverse osmosis equipment, and the proportional dosing device comprises a main pipeline, a first bypass, a second bypass, a medicine suction pipeline and an ejector, the inlet end of the first bypass and the outlet end of the second bypass are correspondingly connected with the inlet end of the pressure adjusting piece and the outlet end of the pressure adjusting piece respectively, the jet device is provided with a first port, a second port and a third port, the first port is connected with the outlet end of the first bypass, and the second port is connected with the inlet end of the second bypass. The third opening is connected with the outlet end of the medicine suction pipeline, and a first valve is arranged on the first bypass and / or the main pipeline. According to the proportional dosing device disclosed by the utility model, a relatively stable dosing and mixing process can be realized, and the problem of backflow is avoided; the concentration of the medicament in the pipeline can be kept constant, so that the medicament effect can be better exerted; the explosion-proof device is simple in structure, does not need electricity, reduces power consumption, reduces cost, has good safety and reliability, and is suitable for being used in an explosion-proof environment.

This utility model relates to an integrated water treatment device, including a housing. The housing includes an upper panel, a middle folding panel, and a lower panel. The upper and lower panels are both made of flat plates, while the middle folding panel is made of corrugated board. The housing is divided into a left front cavity, a left rear cavity, a middle cavity, and a right cavity by an internal partition. The left front cavity is equipped with an inlet and a dosing jet injector assembly. The side wall of the left front cavity has an inlet and a dosing port connected to the inlet and dosing jet injector assembly. The left rear cavity has a grille, and the middle cavity has a mesh. The upper front and rear sides of the middle cavity have overflow channels. A water collection channel is provided between the middle cavity and the right cavity, and the overflow channel is connected to the water collection channel. The right cavity is equipped with a curtain, and the side wall of the right cavity has a water outlet. This utility model solves the problems of insufficient strength of flat plates and complex corrugated board structures, reduces the difficulty of assembly, and has a compact structure, reducing a large amount of installation space.

The utility model provides a kind of reaction kettle structure of convenient installation adjustment of jet ejector, including reaction kettle body, side injection device and bottom injection device, side injection device and bottom injection device all include flange seat, positioning flange, elbow and ejector, positioning flange is rotatably arranged along its circumferential direction and is connected with flange seat, elbow penetrates positioning flange and is connected with positioning flange, and the bending section of elbow is inserted into reaction kettle body, and the bending section of elbow is connected on the bending section of elbow.Elastic adjustment of jet ejector can be realized by the cooperation installation of flange seat and positioning flange, different jet directions can be realized when setting multiple injection devices using different elbow bending angles, and the bending section of elbow can also be adjusted by rotating positioning flange to adjust the angle of direction, so as to realize the flexibility of ejector jet angle and direction, which eliminates the limitation of traditional direct installation through mounting seat, and can be adjusted and installed as needed, and disassembly and assembly are convenient.

The utility model relates to the technical field of hydrogen-rich water preparation, in particular to a hydrogen-rich water preparation device. The hydrogen-rich water preparation device comprises a jet device, a hydrogen mixing pump and a cutting pipe which are communicated in sequence; the ejector comprises a main pipe and a hydrogen absorption pipe which are communicated with each other; the fluid entering the main pipe can suck hydrogen from the hydrogen suction pipe and flow out of the jet device; a rotary blade mechanism is arranged in the cutting pipe; after flowing out through the jet device, fluid enters the hydrogen mixing pump to be pressurized, and the fluid passing through the hydrogen mixing pump enters the cutting pipe to be disturbed and sheared by the blade mechanism. According to the hydrogen-rich water preparation device disclosed by the invention, the problem that the hydrogen content of the hydrogen-rich water flowing out is relatively low in a mode of directly introducing hydrogen into water in the existing hydrogen-rich water preparation equipment is solved.

The utility model discloses a powdered activated carbon wet-process dosing device for water treatment. Comprising a storage bin, an external feeding machine is connected to a feeding port of the storage bin, a discharging port of the storage bin is connected with a feeding port of a weighing device through a conveyor, a discharging port of the weighing device is connected with a dispensing water tank through a jet device, and an output port of the dispensing water tank is connected with a water inlet of a medicine storage water tank. And a water outlet of the medicine storage water tank is connected to an external water treatment system through a dosing pump. The powder activated carbon feeding device realizes accurate feeding of powder activated carbon, and is small in dust pollution, high in operation efficiency and uniform in feeding.

The utility model belongs to the technical field of hypochlorous acid water preparation, and particularly relates to a hypochlorous acid solution preparation device which comprises a reaction barrel, a fourth connecting pipe is fixedly connected to the right side of the top end of the reaction barrel, a dustproof pipe is fixedly connected to the front end of the fourth connecting pipe, and a compensation assembly is arranged at the top end of the left side of the dustproof pipe. A third connecting pipe is fixedly connected to the bottom end of the left side of the dustproof pipe, a first control valve is fixedly connected to the bottom end of the third connecting pipe, a jet device is fixedly connected to the bottom end of the first control valve, a conveying pump is fixedly connected to the right side of the jet device, and a second connecting pipe is fixedly connected to the top end of the conveying pump. According to the hypochlorous acid solution preparation device provided by the utility model, gas at the top end of the reaction barrel is extracted, and the gas and liquid are mixed and conveyed back into the reaction barrel for reaction again, so that chlorine in the gas can continuously react with the solution, the utilization rate of the chlorine is improved, and unnecessary loss is reduced.

This application provides a dust suppression device and method for road construction, belonging to the technical field of dust suppression devices for road construction. It includes a base plate, a protective chamber on top of the base plate, a water collection chamber at the bottom of the base plate, a connecting pipe inside the water collection chamber, water storage tanks on both sides of the protective chamber, and multiple jet injectors on both sides of the bottom of the protective chamber. It also includes: an air intake assembly located outside the protective chamber, with its outlet connected to the air intake of the multiple jet injectors to provide gas support for the equipment; and multiple air outlet adjustment assemblies located inside the protective chamber, with their inlets connected to the outlets of the jet injectors to spray gas. In this application, electronic control in harsh environments is replaced by mechanical transmission, enabling real-time response to vehicle movements, ensuring timely reduction of dust during construction, and avoiding unnecessary water waste, thus being more environmentally friendly.

This invention provides a smart pajama, comprising a back panel attached to the back and a front panel attached to the abdomen and chest. The front panel is longitudinally cut to form an opening and closing mechanism. Female and male headbands are respectively formed on the left and right front panels. It includes an air cushion for opening, closing, and inflation, an air duct connected to the air cushion, and a jet injector connected to the air duct for injecting air. Pressing on the chest inflates the air cushion, creating slight pressure on the infant's chest.

This invention belongs to the field of water treatment, specifically a multi-stage enhanced treatment system and method for organic pollutants in marine aquaculture tailwater. It includes a pretreatment screening module, an intelligent coarse filter screen and filter mesh, and an ozone micro / nano bubble generating module, comprising an ozone generator, a Venturi jet injector, and a rotary micro / nano bubble generator. A high-efficiency ozone contact reaction module is connected to the pretreatment screening module via a pressure water pump A, and includes an annular microporous nano-aeration array, a variable frequency spiral mixer, and an open-pore sieve plate, forming a three-stage series contact oxidation unit to achieve sufficient ozone contact and enhanced reaction. This invention constructs a four-stage enhanced system through the synergistic construction of the annular microporous aeration array, variable frequency spiral mixer, staggered open-pore sieve plate, and residue purification and disinfection module of the high-efficiency ozone contact reaction module. The first to third stages are series contact oxidation stages, while the lower annular microporous aeration array provides independent aeration in different zones, achieving precise and gradient ozone dosing.

The present invention relates to the technical field of sewage treatment, and specifically includes a jet injector for sewage treatment, which comprises a jet injector body, an air inlet assembly and an impurity removal assembly; a conical section, a suction section and a bell mouth are formed inside the jet injector body, and the conical section, the suction section and the bell mouth are connected end to end in sequence; the air inlet assembly includes a first conical tube, the first conical tube passes through the jet injector body, one end of the first conical tube faces the suction section, and the axis line of the first conical tube is located on the side of the axis line of the suction section; the impurity removal assembly includes a water inlet pipe, a second conical tube, a bent pipe, a filter cartridge and a main pipe, the inner wall of the water inlet pipe is slidably connected with the filter cartridge. In the present invention, the included angle between the first conical tube and the suction section is small, which is beneficial to avoiding too large an included angle between the air flow and the water flow, resulting in a large channel resistance and affecting the speed of the water flow ejected from the water outlet, and is also beneficial to improving the air-liquid mixing effect.

The embodiment of the utility model discloses a gas output assembly and an electrolytic hydrogen production system, and relates to the technical field of gas preparation devices.The gas output assembly comprises a jet device, a storage container and a flow supply pipeline, the output end of the storage container is connected with a flow mixing pipeline, and the flow mixing pipeline is connected with the suction end of the jet device; the mixed flow pipeline is provided with a mixed flow regulating valve, and the mixed flow regulating valve is used for regulating and controlling the gas flow in the mixed flow pipeline; the flow supply pipeline is provided with a first branch pipe and a second branch pipe, the first branch pipe is connected with the input end of the jet device, the second branch pipe is connected with the input end of the storage container, the flow supply pipeline is provided with a flow control valve, and the flow control valve is used for controlling gas to flow to the first branch pipe or the second branch pipe. According to the technical scheme provided by the embodiment of the invention, waste of gas produced by the electrolytic hydrogen production system is reduced, and the practicability and reliability of the electrolytic hydrogen production system are improved.