15 results about "Diffusion chamber" patented technology

This application relates to the field of swimming pool disinfection equipment technology, and in particular to a portable swimming pool disinfection dispenser, which includes a feeding assembly, a spraying assembly, a buoyancy device, a drive device, and a direction-changing assembly. The medicine storage tank is equipped with a dosing channel, and the buoyancy device surrounds the medicine storage tank to ensure buoyancy. The spraying assembly uses wind power via a guide vane to rotate the diffusion chamber, achieving uniform dispersion of the disinfectant. This application enhances stability and uniform dispersion of the disinfectant through the design of a rotary bearing, sealing ring, and regulating valve. Simultaneously, the use of wind power to drive the guide vane and rotate the diffusion chamber enables rotation control and convenient operation. This application solves the problems of complexity and high cost of existing equipment, providing a lightweight and economical swimming pool disinfection solution suitable for home and small swimming pool scenarios.

The utility model discloses a cascade large-pressure-rise ejector, and relates to the technical field of ejectors, the cascade large-pressure-rise ejector comprises a high-pressure cavity, a high-pressure fluid inlet is formed in the high-pressure cavity, a first mixing chamber is arranged in the high-pressure cavity, a low-pressure fluid nozzle is arranged at the head end of the high-pressure cavity, the tail end of the low-pressure fluid nozzle is located in the head end of the first mixing chamber, and the tail end of the low-pressure fluid nozzle is located in the head end of the second mixing chamber; a second mixing chamber is arranged at the tail end of the high-pressure cavity, the tail end of the first mixing chamber is located in the head end of the second mixing chamber, and a diffusion chamber is arranged at the tail end of the second mixing chamber. Therefore, the problems existing in a two-stage series connection mode are solved, meaningless kinetic energy loss caused by speed reduction boosting and then pressure reduction acceleration under the condition that the two ejectors are split is avoided, and the ejection capacity is improved.

The utility model discloses a transdermal diffusion experiment device which comprises a base, an anti-rotation limiting gasket and a pressing ring. A diffusion chamber is formed in the base, and a circle of step surface is arranged on the inner side wall of the base. The anti-rotation limiting gasket is arranged on the step face in a non-relative-rotation mode. The pressing ring is detachably installed above the anti-rotation limiting gasket. A liquid channel and an exhaust channel which are communicated with the diffusion cavity are formed in the outer wall of the base at intervals, the liquid channel extends to one side of the diffusion cavity from the outer wall of the base, and the bottom wall of the part, close to the diffusion cavity, of the liquid channel is flush with the bottom wall of the diffusion cavity. The exhaust channel extends to the outer wall of the base from the other side of the diffusion cavity, and the top wall of the part, close to the diffusion cavity, of the exhaust channel is flush with the top opening of the diffusion cavity. And a transdermal test membrane is detachably clamped between the opposite surfaces of the step surface and the anti-rotation limiting gasket. The transdermal diffusion experiment device disclosed by the utility model has the advantages of small volume of the diffusion chamber and convenience in use.

The utility model relates to water body oxygenation technical field especially, more particularly to a fan circulating water oxygenation equipment. Its technical scheme includes: pedestal, suction chamber and suction pipe, be equipped with the nozzle on the pedestal, be equipped with the suction chamber on the nozzle, the other end of suction chamber is equipped with the mixing chamber, the other end of mixing chamber is equipped with the diffusion chamber, the mixing chamber, nozzle, suction chamber and diffusion chamber constitute the jet structure, jet structure is used for gas water mixture, increases water body oxygen content, the bottom end suction inlet of suction chamber is equipped with suction pipe, the bottom end of suction pipe is equipped with the impurity removal structure, and the impurity removal structure is used for removing the impurity that suction pipe orifice filters. The utility model discloses through the jet structure and carries out the water body oxygenation circulation of lasting, has improved water body dissolved oxygen content, the impurity that automatic cleaning filter plate surface adheres, ensures the filtering effect of filter plate sustained and stable, avoids the equipment performance decline caused by the impurity blockage or accumulation.

An in vitro trans-dermal diffusion apparatus for gas exposure, including: a gas generator, an exposure chamber, an exhaust treating device, a sampling arm, a diffusion chamber, a liquid replenishment tank, and a sample bottle rack. The in vitro trans-dermal diffusion apparatus for gas exposure supports multiple diffusion chambers conducting gas exposure experiments simultaneously. The sampling port and replenishing port of the diffusion chamber are separated, enabling the rapid replenishment of fluids through a replenishment tank after sampling, which reduces the time the skin membrane is separated from the receptor fluid. The sampling arm of the in vitro trans-dermal diffusion apparatus for gas exposure, combined with a telescoping rod, allows the sampling needle to be inserted into the sampling port for sampling and can also be extended into a sample bottle to release the sample, minimizing the contact between the sample liquid and the air.

The embodiment of the utility model provides an ejector which comprises an ejector shell, and the ejector shell defines a negative pressure generation chamber and a diffusion chamber. The diameter of the negative pressure generating chamber decreases in the flowing direction, the diameter of the diffusion chamber increases in the flowing direction, the inner surface of the negative pressure generating chamber is formed by rotating a first generatrix around a transverse central axis, and the inner surface of the diffusion chamber is formed by rotating a second generatrix around the transverse central axis. At least one of the first bus bar and the second bus bar is an arc line protruding toward the transverse central axis. The ejector provided by the embodiment of the utility model can effectively eject the target fluid when the working fluid is high in flow or low in flow.

The invention relates to a preheating module (10) comprising a dispersion chamber (11) and a diffusion chamber (12), the dispersion chamber comprising a unit (20) for distributing a gas mixture, the unit comprising an inlet (25) at a lower edge (17) and a plurality of inner walls (22) forming a flow path (21) for the gas mixture; the diffusion chamber is located downstream of and arranged above the dispersion chamber (11) and forms a stack together with the dispersion chamber. The flow path (21) of the gas mixture extends predominantly along a longitudinal axis (Y) and a transverse axis (Z) orthogonal to the stack axis (X), the dimension of the diffusion chamber (12) along the stack axis (X) differing by no more than 20% relative to the dimension of the dispersion chamber (11) along which stack axis.

This invention discloses a device and method for efficient co-extraction of vanadium and chromium from vanadium slag, comprising a mixing tank, a slurry pump, a slurry processor, a slurry distributor, a heater, and a reactor connected in sequence. The slurry processor includes a cavity, a slurry inlet, a guide vane ring, a power nozzle, an air intake pipe, and a diffusion chamber nozzle. The cavity, from front to back, consists of a buffer chamber, a mixing chamber, and a diffusion chamber. The slurry inlet is located in the buffer chamber, and the air intake pipe is inserted into the mixing chamber. The guide vane ring and the power nozzle are connected from front to back and located between the buffer chamber and the mixing chamber, while the diffusion chamber nozzle is located between the mixing chamber and the diffusion chamber. The slurry pump is connected to the slurry inlet, the slurry distributor is connected to the diffusion chamber, and the air intake pipe is connected to a high-temperature air source. This invention's device and method achieve efficient co-extraction of vanadium and chromium at low temperature and under normal pressure, with a vanadium leaching rate of over 98% and a chromium leaching rate of over 95%.

The application discloses a monovalent cation selective separation membrane and a preparation method thereof, and belongs to the technical field of ion exchange membranes. A bisamine monomer and an acyl chloride monomer are respectively dissolved in water and n-hexane to obtain an aqueous solution and an oil solution. A porous base film is fixed in the middle part of a central channel of a diffusion device, the aqueous solution and the oil solution are respectively poured into diffusion chambers on the upper and lower sides of the central channel, interfacial polymerization is carried out, then the membrane is taken out, washed with n-hexane, dried, and a monovalent cation selective separation membrane is obtained. The preparation method of the monovalent cation selective separation membrane has the advantages of low raw material cost, mild preparation conditions and simple operation, so that the membrane preparation cost can be greatly reduced, and the existence of chloromethyl on the membrane makes the polyamide structure more stable. Meanwhile, the electrodialysis Na + / Me4N + , K + / Me4N + Separation performance of the prepared monovalent cation selective separation membrane is superior to that of a commercial CIMS membrane, and has a wide application prospect in the fields of electronic-grade TMAH purification preparation and the like.

The utility model discloses a coal mine ventilation device relates to mine ventilation technical field, including the front and rear arrangement's air intake head and air outlet head, and the air intake head and air outlet head are connected with the air distribution pipe, and the air intake head is connected coal mine downhole pressure system through the pipeline, provides high pressure air, and the air outlet head is connected return air lane through the pipeline, and exhausts mixed gas, and the air distribution pipe includes suction chamber, throat and diffusion chamber, and suction chamber, throat and diffusion chamber constitute venturi effect, and the entrance position of suction chamber is provided with the nozzle, and the nozzle is opposite the throat jet, and the diffusion chamber includes gradually expanding section and export section who sets gradually from front to back, and the cross section area of gradually expanding section is increasing along the flow direction, and extends to export section, and the top of suction chamber is provided with the air inlet, and the air inlet communicates outside and suction chamber. Through high pressure jet flow produces the negative pressure, and the initiative suction blind lane dirty air, need not mechanical rotating part, fundamentally eliminates the explosion risk, improves ventilation efficiency and reduces energy consumption simultaneously.

The present application relates to oil and gas field and coal bed gas field drainage technology field, especially relates to a kind of floating pump core ring jet flow pump and use method.The technical scheme is: install low-density floating pump core in the inner cavity of pump barrel, form annular gap between low-density floating pump core and the inner wall of pump barrel, the lower side of annular gap is equipped with formation liquid suction port, the lower side of formation liquid suction port is annular throat, the lower side of annular throat is equipped with diffusion chamber, the bottom of diffusion chamber is equipped with pump core support seat, the lower side of diffusion chamber is equipped with mixed liquid outlet, diffusion chamber is communicated with mixed liquid discharge chamber.The beneficial effect is: because adjustment reduces the overall density of low-density floating pump core, the power hydraulic pressure and the amount of low-density floating pump core can be reduced, and the operation cost is reduced;In addition, the structure of the low-density floating pump core of the present application is simple, and the annular jet flow structure is formed between the pump barrel, which not only increases the drainage liquid volume, but also makes the working condition of the suction medium more extensive, and the manufacturing cost is also lower.

The application discloses a quality control method for a swelling and pain relieving composition, which comprises the following steps: A, preparing a receiving side solution; B, using a YUS chamber to prepare a test sample solution, fixing rat skin in a 0.5 cm2 diffusion chamber, with the outer epidermis side as a drug administration side, adding a swelling and pain relieving extract to the drug administration side container, with the inner epidermis side as a receiving side, adding a receiving liquid to the receiving side container to two-thirds of the container, finally covering the top of the two containers with a fresh-keeping film, opening a constant temperature water bath to maintain a constant temperature of 37.5 DEG C, waiting for 36-48 hours, passing through a 0.22 mu m microporous filter membrane, taking the filtrate, and obtaining the test sample solution; C, using a liquid chromatography program to separate and then detecting by a UV detector. The method relies on a high performance liquid chromatograph, extracts transdermal components through a YUS chamber through an isolated rat skin, and forms a new type of quality control method for a swelling and pain relieving composition.

The embodiment of the application provides a hydrogen diffusion experiment device, and relates to the technical field of hydrogen storage. The hydrogen diffusion experiment device comprises: a core holder, the inside of the core holder is provided with a first diffusion chamber, a sample chamber and a second diffusion chamber, the first diffusion chamber and the second diffusion chamber are respectively arranged on the opposite sides of the sample chamber, and the sample chamber is used for accommodating a geological sample; a hydrogen supply mechanism connected with the second diffusion chamber; a first gas supply mechanism connected with the first diffusion chamber; and a detection mechanism connected with the first diffusion chamber and the second diffusion chamber, and used for detecting the gas concentration in the first diffusion chamber and the second diffusion chamber. The hydrogen diffusion experiment device can replace different geological samples in the core holder, carry out an experiment on the hydrogen diffusion characteristics in a room, and obtain key parameters such as diffusion coefficients under different geological structures, gas concentrations and temperature and pressure conditions, so as to provide reliable data support for hydrogen storage library site selection.

The utility model relates to the technical field of water ejectors, and particularly discloses a vacuum pump water ejector which comprises an introduction chamber, a nozzle, a pressurization cavity, a mixing cavity and a diffusion cavity. The nozzle is located in the introduction chamber, an ejection flow inlet is formed in the introduction chamber, and lining hoops are arranged on the inner walls of the introduction chamber, the pressurization cavity and the diffusion cavity. The lining hoops are arranged on the inner walls of the leading-in chamber, the pressurizing cavity and the diffusion cavity, when the leading-in chamber and the mixing pipe are flat and shrunken under the soaking of injection liquid and the action of workflow, the lining hoops can well support the leading-in chamber, the pressurizing cavity and the diffusion cavity, and it is guaranteed that the internal space is kept in a normal state; therefore, the service life of the water ejector is effectively prolonged, safe and stable long-term operation is ensured, and the maintenance cost of the water ejector is further reduced.

The invention relates to a membrane assembly, device and method for separating rare earth ions and hydrogen ions in rare earth strip liquor and synchronously recovering acid, the membrane assembly comprises diffusion chambers and dialysis chambers which are alternately arranged, and the adjacent diffusion chambers and dialysis chambers are separated by anion exchange membranes; the anion exchange membrane is a compact membrane; according to the method, the rare earth ions and the hydrogen ions in the rare earth strip liquor are efficiently separated, meanwhile, the acid recovery rate is preferably as high as 50% or above, the rare earth leakage rate is preferably as low as 0.02% or below, no complex device is needed in the whole process, the treatment cost of the rare earth strip liquor is reduced, and green and clean cyclic utilization of rare earth resources and acid resources in the rare earth strip liquor is achieved.