58 results about "Soap bubble" patented technology

The invention discloses a measuring device for gas permeability of a coal rock core. The measuring device mainly comprises a high-pressure gas source module, a core holder module, a circular pressure loading module, a data metering module and a vacuum treating module, which are connected through needle-type valves (3,5,7,9 and 13), wherein the high-pressure gas source module comprises a high-pressure gas bottle (1), a pressure relief valve (2) and a buffer container (4); the core holder module is a core holder (8); the circular pressure loading module is a hand-operated pump (12); the data metering module comprises precision pressure gauges (6 and 10) and a soap bubble flowmeter (11); and the vacuum treatment module is a vacuum pump (14). The measuring device is convenient to operate, has good repeatability of measured data, small experiment error and low cost, and is suitable for the testing field of gas permeability and equivalent liquid permeability of the coal rock core.

For leak testing, a tracer gas is advanced to the outer wall (11) of the hollow test object (10) while the test object (10) is in an evacuated state. The tracer gas is discharged from a blower device (14) in the form of soap bubbles (21). When contacting the outer wall (11), the soap bubbles will burst, thus forming a cloud (27) of tracer gas immediately on the outer wall (11). By the invention, it is made easier to localize the invisible tracer gas in the ambient air. Further, the tracer gas can be used more effectively so that the costs for performing the testing process are reduced.

The invention relates to a method for sealing the leakage of small amount of air. The method is characterized in that: a pipeline is connected, one end of an equipment gate sealing cavity is connected with a release valve, the other end of the equipment gate sealing cavity is connected with one end of a buffer tank through the pipeline, the other end of the buffer tank is connected with one end of an air leakage tester, the other end of the air leakage tester is connected with one end of a spherical connecting rod through a disconnecting valve, and the other end of the spherical connecting rod is connected with an air bottle through a reducing valve; the soap bubble experiment on the pipeline is performed to detect the leak tightness of the pipeline; the leakage amount is calculated, according to the requirement of the experiment, a computer is connected with the tester and the experimental data is inputted by the computer; the air bottle is opened, the equipment gate sealing cavity is pressurized and added with nitrogen. The method has the advantages that the air sealing leakage amount can be measured accurately to the utmost degree, and the computer can help people understand the air leakage amount curve, the instantaneous leakage amount and the data record in real time during the whole experiment process.

The invention relates to a machine oil cooler leakage detection method characterized in that the method comprises steps of interface plugging and detection equipment connecting; leakage detecting and result determining; and result determining and processing. The leakage detecting and result determining step comprises two sub-steps of leakage rate detecting and leakage point detecting. According to the invention, a measuring principle of a pressure reducing method is employed; pressure drop in a workpiece is measured through a sensor and is converted into a leakage rate; local leakage detecting is carried out through a soap bubble method; the method is applicable to leakage detecting of machine oil coolers; part soaking is not needed in a leakage testing process; a normal working state of a machine oil cooler on an engine can be simulated; the operation is simple and convenient; the leakage detecting positioning is accurate; the measuring process is short in beat; measuring data can be bound with the engine and is traceable; and the machine oil cooler leakage detection method is applicable to automatic jug line production.

The invention discloses an on-spot leakage detection and blocking technique of a whole-sealing combination electric appliance and belongs to the technical field of electric power. According to the technical scheme, leakage points of different SF6 gas leakage portions existing in operation of the whole-sealing combination electric appliance are accurately detected by flexibly utilizing the comprehensive monitoring method, the pressure lowering analyzing method, the segmentation positioning method, the local accumulation method, the soap bubble method, the sealing gum method and the like in an on-spot mode, and therefore leakage blocking processing techniques such as strict techniques, welding joint repairing, sample stamping and blocking, pressing cap additionally arranging and part replacing can be implemented in a targeted mode, and equipment operation is fast recovered. The on-spot leakage detection and blocking technique of the whole-sealing combination electric appliance has the advantages of being simple, convenient to use, easy to perform, accurate and fast in leakage detection, capable of lowering the blindness, simple and effective in leakage blocking, capable of reducing the workload, low in maintaining cost, high in maintenance efficiency, capable of reducing outage of equipment and ensuring safety operation of the equipment and obvious in social and economic benefit.

The invention relates to a device and a method for determining the carbon deposition rate of a catalytic reforming catalyst, and belongs to the field of tar steam reforming hydrogen production. In thedevice, a nitrogen steel cylinder is communicated with the feeding port of a quartz tube reactor through a gas flowmeter; a double-channel trace injection pump is communicated with the feeding port of the quartz tube reactor; a distribution net is arranged in the middle of the quartz tube reactor, and the periphery of the quartz tube reactor is provided with a heat preservation tube; the discharge port of the quartz tube reactor is sequentially connected with a condensation tube and a liquid collector; the gas outlet of the liquid collector is connected with a soap bubble flowmeter and a gaschromatograph separately; an electric heating tube is arranged between the heat preservation tube and the quartz tube reactor; and the electric heating tube is connected with an electric heating temperature controller. By adopting the device, carbon deposition is carried out on the catalytic reforming catalyst, and the carbon deposition rate of the catalytic reforming catalyst is calculated by adopting a program heating oxidation determination and calculation; and the method is used for researching the carbon deposition rate of the steam reforming hydrogen production catalyst, the data is accurate, and the effect of the carbon deposition rate can be really reflected.

The present invention provides an aerosol product, which sprays a large number of independent bubbles in the form of soap bubbles. More specifically, the aerosol product, which sprays a large number of independent bubbles in the form of soap bubbles, is provided by charging an aerosol container with an aerosol composition obtained by emulsifying an aqueous concentrate and a liquefied gas.

The invention belongs to the technical field of machine manufacturing and testing, and discloses a laminated microchannel reactor and mold pressing device integrated system and method. Nitrogen is injected into the laminated microchannel reactor at the speed of 100ml/min and calcinated for 2 hours at the temperature of 400 DEG C, then mixed gas of nitrogen at the speed of 100ml/min and hydrogen atthe speed of 50ml/min is injected and reduced for 1 hour at the temperature of 300 DEG C, and a catalyst is activated; and the reaction temperature is regulated by utilizing a temperature controller.The feeding speed of an alcohol-water solution is regulated by utilizing an injection pump; the alcohol-water solution is pumped into an evaporation board of the reactor to be gasified, and then sentto a catalytic reaction plate to react. The hydrogen-rich gas obtained through reaction passes through a zero DEG C cold trap so as to separate alcohol-water vapor which is not sufficiently reacted;the gas passing through the zero DEG C cold trap is sent to a gas chromatograph to analysis the gas components, and the gas flowing speed is measured by using a soap bubble flowmeter. The laminated microchannel reactor and mold pressing device integrated system has the wide prospects and market value.

The invention belongs to the field of building materials, and discloses a test method for testing the gas permeability of concrete through a concrete tube test specimen. The test method includes the steps that the concrete tube test specimen is manufactured through a concrete tube precast mold, and the test specimen is cured under the standard conditions; a concrete tube testing device is assembled; a concrete tube is first filled with a certain amount of gas, an inflatable opening and a joint of the device are subjected to leakage detecting through a soap bubble method, and it is ensured thatthe air tightness of the device is good; the concrete tube is filled with a certain amount of gas, and the change situation of the air pressure difference inside and outside the concrete tube with the time is monitored in real time through a pressure sensor; and modeling is conducted on a test system through COMSOL Multiphysics software, test data are input into a modeling model for comparison, and then the gas permeability of the concrete tube wall, that is, a concrete material is calculated. According to the test method for testing the gas permeability of the concrete through the concrete tube test specimen, the change situation of the air pressure difference inside and outside the concrete tube with the time can be monitored, and the gas permeability of the concrete material is calculated through numerical simulation.

An automatic bubble blowing apparatus wearable on the head and having an inflatable ornamental skin. The inflatable ornamental skin is a non-tooled component which can be manufactured to have a variety of festive appearances. The apparatus has straps which can be used to secure the apparatus to the head of a user. Alternatively, the automatic bubble blowing apparatus can be utilized on a horizontal surface, such as a table, with the straps hidden under the apparatus. The automatic bubble blowing apparatus includes a power source, a surfactant solution reservoir, a fan for creating an air stream out an exit aperture, a mechanism for creating a surfactant film across the exit aperture, and an on-off switch which controls both power to the fan and sealing and unsealing of the exit aperture.

The invention provides a smog soap bubble generation device and method, and the device comprises a working medium supply device which conveys an external smog working medium to a smog generation cavity; a main cavity, a smog generating cavity processing the smog working medium to obtain a corresponding output substance and conveying the output substance to the main cavity; an air pressure source,used for controlling the air pressure in the main cavity; a soap bubble generator, comprising a generator inlet, conveying output substances to the soap bubble generator, a generator body, provided with a mixing pipeline and a horn-shaped pipeline, a soap liquid supply device, conveying soap bubbles to the mixing pipeline, a rotary electromagnet controlling the membrane to reciprocate in the liquid membrane generation channel so as to continuously generate a soap liquid membrane, and a generator outlet, output substance pressing the soap liquid film to move towards the horn-shaped pipeline, and smoke soap bubbles being generated at the outlet of the generator; and a sensing device used for generating a bubble retention signal and sending the bubble retention signal to the controller when detecting that the smoke soap bubbles are output. Soap bubbles filled with smoke or fog can be continuously and automatically generated.

The invention discloses donkey milk soap. The donkey milk soap is prepared from donkey milk, palm oil, coconut oil, peanut oil, castor oil, sweet almond oil and NaOH based on a certain ratio. The soap prepared with the method is capable of cleaning skin; in addition, the donkey milk is capable of repairing human tissue, whitening skin, moisturizing and smoothening wrinkles; russianolive flowers can be used as medicine, is capable of treating diarrhea, and cough due to wind-cold evil, and has the effects of soothing the nerves, helping sleep, resisting bacteria, etc.; russianolive flower essential oil has graceful balsameque and honey aroma-flower flavor, so that the smell of the donkey milk can be covered; moreover, kaempferol, leucoanthocyanidin and amino acid in the donkey milk soap are gentle to skin and free from irritation; the soap does not contain chemical components; all natural materials are edible materials and cannot damage the human body even if the donkey milk soap is eaten by mistake; soap bubbles can be naturally decomposed by bacteria and microorganisms within 24 hours after being discharged into a sewage, so that the environment is prevented from pollution and damage, and the ecological environment of the water world is not influenced.

A hair removing apparatus for removing hairs by using soap includes a water-resistant body case having a driving source therein; and a hair removing head attached to the water-resistant body case, the hair removing head having a hair removing unit driven by the driving source to pull out the hairs. The hair removing head has a bubble retention member that encloses the hair removing unit to retain soap bubbles therein.

The invention relates to a yacht with laser-triggered music playing and bubble making functions. The yacht comprises a yacht body, wherein the whole yacht body is yellow. The yacht is characterized in that a plurality of laser sensors are distributed on the peripheral outer side wall of the yacht body; a bubble maker and an acoustic device for playing music are arranged on the yacht body. After the laser sensors receive a laser signal which is sent by a laser toy such as a toy laser gun, a singlechip computer controls the acoustic device to play the music and controls the bubble maker to make soap bubbles at the same time. Furthermore, tourists can interact with one another, and the interestingness of the yacht is improved. A part shaped like a duck head of a large yellow duck is arranged at the head of the yacht, and the bubble maker is arranged in the duck head; an annular bubble making frame is longitudinally arranged in an opened duck mouth at the duck head, and under the action of a bubble blowing fan, the soap bubbles made by the bubble maker are blown out of the duck mouth.

The invention provides an electronic soap film flowmeter automatically producing bubbles and belongs to the technical field of flow determination. The flowmeter consists of a soap tube, a soap tube supporting system, a photoelectric sensing system, a liquid level lifting system and a liquid level adjusting system. A magnetic force is produced by utilizing direct current through multi-turn coils and combines with the elastic force of a spring itself, a heavy hammer is driven to immerse into and float out of liquid by pushing and pulling a magnetic push-and-pull rod to ascend and descend, and the liquid level is lifted and reduced according to the Archimedes law to cause periodic rise and fall of the liquid level in the soap tube. Due to the damping effect of a communicating guide tube, the liquid level rising and falling speed is low, so that there is sufficient time for contact between a measured air source and soap liquid, thin soap bubbles are formed at first during liquid level falling, and the soap bubbles gradually become larger when the liquid level continues to fall and are finally separated from the liquid level to form a soap film. The process can be automatically controlled through an upper computer or a single chip microcomputer.

The invention discloses an engine module capable of driving a paper plane. The engine module is characterized by being provided with a handle at one end, wherein a battery device is arranged in the handle; a slender straight bar extends from the handle; a power wire connected with the battery device is arranged in the straight bar; the tail end of the straight bar is provided with a micro motor and a fan driven by the micro motor; and the power wire is electrically connected with the micro motor. Through the engine module capable of driving the paper plane disclosed by the invention, by holding the handle and aligning the fan to flying toys such as a paper plane, a balloon, soap bubbles and the like to blow, the fall time of the toys is prolonged, and the engine module is convenient and practical while increasing the fun.

The invention provides a method for detecting a gas leakage point of a composite shaping plate weld seam. The detection is composed of soapy water, a glass cover, a vacuum bag, a sealing tape and a vacuum joint. The position of a gas leakage point can be judged by observing soap bubbles at the weld seam during the vacuuming process. The vacuum bag is soft and thus can be applied to the position detection of the gas leakage point of the shaping plate molded surface weld seam with a large curvature. The method is simple in operation and reliable in function.

The invention relates to a demonstration model of a difference of an internal pressure and an external pressure of a spherical liquid level. The demonstration model comprises a pedestal and a soapy water providing unit. A support is arranged on the pedestal and contains a support rod and a cross rod; a T-shaped glass three-way guiding tube is fixed on the cross rod; two horizontal straight openings of the T-shaped glass three-way guiding tube are connected with 90-degree bending glass tubes by switching valves; a vertical opening of the T-shaped glass three-way guiding tube is connected with an air blowpipe by a switching valve; and horn mouths are connected to the tail ends of the bending glass tubes. Soap bubbles with different sizes are blown by the two horn mouths; and because the air pressure in the small soap bubble is larger than that in the large soap bubble, the small soap bubble is reduced continuously and the large soap bubble is increased continuously. Therefore, the conclusion of the difference of the internal pressure and the external pressure of the spherical liquid level can be tested simply and ingeniously.

The invention relates to the technical field of automobile part manufacturing, and discloses a method for dredging nickel shell micropores of an IMG female die vacuum compound die. The method comprises the following steps that: after a plurality of products are continuously produced by using the IMG female die vacuum compound die, the IMG female die vacuum compound die is discharged from a machine, the die is opened, and an upper die is fixedly and stably placed in a vertical state; dry ice cleaning is performed on the surface of a nickel shell by using a dry ice machine; white gasoline is quickly and uniformly sprayed and applied to the surface of all dermatoglyph of a nickel cavity in a vaporific manner; compressed air is introduced into the cavity of the upper die through an air exhaust hole of the upper die; and a layer of soap water mist is sprayed on the leather grain surface of the nickel shell, then compressed air is introduced to start to blow soap bubbles, so as to visually verify whether the vacuum micropores are dredged or not, otherwise, the process returns to the step B) until all the vacuum micropores of the whole nickel cavity blow out the soap bubbles, namely all-pass dredging is realized. According to the method for dredging the nickel shell micropores of the IMG female die vacuum compound die, the nickel shell micropores of the IMG female die vacuum compound die can be dredged quickly, simply, visually and reliably.