44results about How to "Small bubble size" patented technology

A method of making an aqueous ozone solution for an industrial cleaning system is described. The method includes providing a reaction vessel for entraining ozone gas in an aqueous solution. The reaction vessel includes a conical-shaped surface having a two or more edges or ridges. The conical-shaped surface defines an interior, and two or more edges or ridges are in contact with the interior. The reaction vessel is in fluidic communication with a supply of water. The reaction vessel is in fluidic communication with a supply of a first aqueous ozone solution. The first aqueous ozone solution is directed to the conical-shaped surface. Water is directed to the conical-shaped surface, and the water and the first aqueous ozone solution are mixed to form a second aqueous ozone solution.

Compositions for aqueous ozone solutions are also described. The aqueous ozone solution contains approximately 1 part by volume water mixed with approximately 4 parts by volume to approximately 9 parts by volume of a first aqueous ozone solution to form a second aqueous ozone solution that has an oxidation reaction potential of up to approximately 2.6. The second aqueous ozone solution has an ozone concentration of up to approximately 20 ppm.

Coal fines are processed by flotation separation to separate coal particles from ash-forming component particles. Coal fines are mixed water under high shear mixing conditions to form an aqueous slurry of coal fines containing between 15 wt. % and 55 wt. % coal fines. The aqueous slurry is introduced into a coal flotation cell to separate coal particles from ash-forming component particles by flotation separation, wherein the coal fines have a particle size less than 500 μm, and more preferably less than 300 μm. Bubbles are generated in the coal flotation cell having a bubble size and bubble quantity selected to float the coal particles and to form a coal-froth containing at least 15 wt. % solid particles. The solid particles include coal particles and ash-forming component particles. The coal-froth is collected for further processing.

A vented closure for a liquid container which will not freely pour includes a cap hinged at one side and movable between open and closed positions relative to a base collar. In an open position, a primary fluid passageway extends through a shaped mouthpiece which is elongated and tapered to conform to a user's mouth. One or more air vents of small size are located in a protected floor of the base collar at positions spaced within predetermined ranges of offsets from the dispensing opening so as to convey liquid into contact with the air vents in a manner to self-seal the air vents by surface tension of the liquid until an unbalance force is present. The cap and collar mate along an offset diagonal edge, and a grip area for the user's thumb or finger is offset from a center line. The offsets cause the cap to flip open with additional clearance and without obstructing a user's nose.

The invention relates to a method and a device for dissolving gas in a liquid-phase circulating hydrodesulfurization system, and provides a method for dissolving gas in a liquid-phase circulating hydrodesulfurization system, which comprises the following steps of: introducing new hydrogen, raw oil and circulating saturated oil refluxed from a hydrogenation reactor into a gas-liquid mixing pump, and fully mixing under the strong turbulence state; introducing the mixed materials into a gas-liquid separation tank, collecting big bubbles, removing the big bubbles, and introducing the mixed materials into the hydrogenation reactor for hydrogenation; and introducing the circulating saturated oil refluxed from the hydrogenation reactor into the gas-liquid mixing pump again, mixing with the raw oil and the new hydrogen entering the gas-liquid mixing pump, and introducing the mixture into the hydrogenation reactor again. The invention also provides a device for dissolving gas in the liquid-phase circulating hydrodesulfurization system.

The invention relates to an anti-biological clogging device for a drip-irrigation system. The drip-irrigation system is started, an air intake brake valve is opened, an ozone generator is started, and compressed water which comes from the head part of the drip-irrigation system is sprayed at high speed from a jet orifice of a jet nozzle so as to form the negative pressure in a gas injection cavity; and under the action of the negative pressure, the ozone generator ensures that ozone generated through air ionization enters the gas injection cavity through the air intake brake valve, a check valve and an air inlet pipe along with the air filtered by an air filter, and enters an oscillating cavity for vortex oscillation, stirring and aerification along with the high-speed water flow sprayed by the jet nozzle so as to form 'ozone water' of which gas and liquid are distributed uniformly, and the 'ozone water' enters the drip-irrigation system to kill microorganisms in flow channels and cansynchronously inhibit crop root systems from growing toward the direction of a water outlet of a drip irrigation emitter in an underground drip-irrigation system, so that the aim of biological clogging resistance of the drip-irrigation system is fulfilled. Compared with a method of injecting a chemical agent into irrigation water, the invention has the advantages that: the residue of harmful substances which can pollute the environment is not produced, and the risk of using dangerous chemical agents is avoided.

The invention relates to a nano microbubble generation device and particularly discloses a device for generating a high quantity of nano microbubbles in water. The device for generating the high quantity of nano microbubbles in water comprises a filtering and buffering tank, wherein an inlet of the filtering and buffering tank is connected with a water source; an outlet of the filtering and buffering tank is connected with a high-pressure centrifugal pump; an outlet of the high-pressure centrifugal pump is connected with a high-pressure jet device; a gas inlet of the high-pressure jet device is connected with a gas pressure stabilizing tank; a gas flowmeter is mounted at the front end of the gas pressure stabilizing tank; the front end of the gas flowmeter is connected in parallel with anair filter and a gas quick connector; an outlet of the high-pressure jet device is connected with a nano microbubble releasing device through a liquid pressure stabilizing tank. The device for generating the high quantity of nano microbubbles in water is simple in structure, reasonable in design, low in production cost and high in dissolution rate; the generated nano microbubble water flow is high; the particle size of the air bubbles is small and can reach up to 5-20nm; the device is suitable for extensive popularization and application.

A process for preparing the sodium salt of 4,4'-dinitrobistyrene-2,2'-disulfonic acid (DNS) from NTS includes preparing the sodium hydroxide solution of NTS, adding inertial solid particles, introducing air or oxygen, regulating pH value, oxidizing condensation reaction at a certain temp, acidifying, salint-crystallizing and filter. Its advantages are high output rate, and low energy consumption.

The invention provides a gasification furnace chilling chamber containing a flow-guiding cylinder and an application method thereof. The gasification furnace chilling chamber comprises a shell, wherein a downcomer is arranged in the shell; the outer side of the downcomer is sleeved by a coaxial flow-guiding cylinder; an annular gap is formed between the flow-guiding cylinder and the downcomer; oneend of the downcomer is connected with a gasification furnace; the other end of the downcomer is provided with a gas distribution device which is a conical section in butt joint with the outer edge of the downcomer; and the conical section is provided with gas holes. According to the invention, liquid circulation is formed through arrangement of the flow-guiding cylinder, so deposition of fine coal ash particles is prevented, and the problem of blockage caused by fine particles is effectively solved; meanwhile, through arrangement of the gas distribution device, small bubbles can be effectively formed; the phase boundary area of the bubbles is increased; the humidifying, dust-removing, ash-removing and cooling effects of a water bath are greatly improved; thus, the situation that synthesis gas carries excessive coal ash to enter a next working section is reduced.

An improved magnesium die casting system incorporates filling of the shot sleeve from the underside and/or in-line re-melting of scrap magnesium using a re-melt furnace. A pump is used to transfer molten magnesium from a casting furnace to the shot sleeve through an underflow filling tube. The shot sleeve is filled in a laminar manner, minimizing entrapped gases. The in-line re-melt system allows recycling of scrap in-house and reduces energy cost associated with heating and re-heating scrap. The improved system increases casting quality and reduces scrap rates and recycling costs.

The invention discloses a method for prolonging milk fresh-keeping time by utilizing CO2 micro-nano bubbles, which belongs to the technical field of milk fresh-keeping. The method comprises the following steps: checking and accepting raw milk: checking and accepting the raw milk in three aspects of sensory examination, physical and chemical indexes and microbiological examination; mechanically filtering the milk: filtering the milk by using milk filter paper under the pressure condition of 50kPa; mixing the milk and CO2 and then introducing a mixture into a micro-nano bubble device, and forming a milk-CO2 micro-nano bubble mixed system; and storing the milk-CO2 micro-nano bubble mixed system obtained in the above step 3 in a milk storage tank which is cleaned, disinfected and sterilized inadvance. The problems of microbial pollution and the like in the transportation process from a pasture to a processing factory in the traditional milk processing process are solved by utilizing the small bubble size, high solubility, high adsorption rate, low rising speed in milk and the bacteriostatic action of CO2 of the micro-nano bubbles, and the effect of better prolonging the fresh-keepingperiod of the milk is achieved.

The invention discloses a fluidized bed reactor and a reaction system. The fluidized bed reactor comprises a reactor main body (1) with an inlet (11) and an outlet (12), the reactor main body (1) comprises a reaction section (13) provided with a catalyst bed, and the catalyst bed can be in a fluidized state under the action of fluid injected from the inlet (11); the fluidized bed reactor further comprises a bubble generator (2), and the bubble generator is provided with a gas-liquid inlet (21) and a gas-liquid outlet (22) and can be used for mixing incoming gas and liquid and crushing generated bubbles, and the gas-liquid outlet (22) of the bubble generator (2) is connected with the inlet (11) of the reactor main body (1). The fluidized bed reactor and the reaction system provided by the invention are simple in structure and easy to operate, the mixing degree between the gas-liquid reaction material and the catalyst is enhanced, the gas-liquid distribution is uniform, and the interphase mass transfer efficiency is greatly improved.

It has been discovered that the efficiency of asphalt blow stills can be improved by sectionalizing the blow still with perforated plates at various heights within the blow still. The perforated plates which contain a multitude of holes act to reduce air bubble size and improve the dispersion of the air bubbles throughout the asphalt flux. This increases the total surface area per unit volume of the air bubbles and promotes a faster processing time. The perforated plates also increase the contact time between the air bubbles and the asphalt flux which further results in improved efficiency and reduced blow times. This is beneficial because faster processing times can be achieved resulting in more efficient use of equipment, higher levels of productivity, lower energy requirements, cost savings, reduce blow loss, and reduced thermal history to which the asphalt is exposed.

The invention discloses an oxygen-enriching biological oxidation system, which comprises a biological oxidation pool and an aeration device, wherein activated sludge is filled in the biological oxidation pool; the aeration device comprises an air dissolving device and a releaser; the air dissolving device is provided with an air inlet, a water inlet and a water outlet; air and water are respectively introduced into an inner cavity of the air dissolving device from the air inlet and the water inlet; air in the air dissolving device is dissolved into water under the pressure state to form air dissolving water; the water outlet is connected with the releaser; the releaser is arranged in the biological oxidation pool and is covered by the activated sludge; the air dissolving water in the air dissolving device is released into the biological oxidation pool by the releaser. The oxygen-enriching biological oxidation system has the advantages that clean water and air are simultaneously pumped into the air dissolving device by using an air dissolving mechanism; the air is blended into the water under the pressure state; the air dissolving water is formed and is then released into the biological oxidation pool; through oxygen-enriching water, the utilization capability of microbes on the air is greatly improved; the effective utilization rate of the air is improved.

The invention discloses a composite frame type low-voltage bus slot. The composite frame type low-voltage bus slot comprises a plurality of bus straight-line segment brackets, a joint segment is connected between every two bus straight-line segment brackets; the invention further discloses a manufacturing method of the composite frame type low-voltage bus slot, and mainly comprises the following steps: selecting material, pre-manufacturing the straight-line segment bracket, filling potting material, manufacturing the joint segment, and filling the potting material; the application performance of the low-voltage bus slot is improved, the conductor and the insulating sleeve are fixed through the tenacity material; the expansion defect between the conductor and the insulating material is avoided when the temperature of the conductor is changed; the low-voltage bus slot is low in internal bubble content, small in bubble size, low in dielectric loss of insulating material, high in voltage resistance, and low in ageing life; the insulating material is high in density, good in tensile resistance, bending resistance and torsion resistance; the insulating material can adopt the heating curing process, the curing period is shortened to tens of minutes or several hours, and the insulating material can be extensively applied to the industrial and mining power distribution industry.

The invention discloses an improved DMTO reactor. According to the invention, by means of arrangement of a grating in a dense-phase bed layer zone of the DMTO reactor, entrainment amount of a catalyst is reduced and the concentration of the catalyst in a dilute-phase bed layer is reduced, so that a secondary reaction is reduced. Meanwhile, bubbles are reduced in size so that the disturbance on the bed layers is reduced when the bubbles are broken, so that the bed layers are more stable and reduced in backmixing. By means of the technical scheme, selectivity of methanol to olefin is increased, thereby increasing the yield of olefin.