48results about How to "Continuous generation" patented technology

The invention provides a rotating disc type dust aerosol generating device characterized in that an agitating motor is controlled by a computer to drive an agitating blade in a flowing chamber to rotate, and dust in the flowing chamber is uniformly agitated and conveyed to a pit which is arranged on a rotating disc below a drain hole on the bottom of the flowing chamber and specially used for carrying dust; and dust stored in the pit on the rotating disc is absorbed into a dust spray dissolution cavity by a negative pressure generator which is controlled by the computer through a negative pressure dust suction pipe, and dust aerosol is formed and then conveyed into an aerosol detection laboratory chamber to be detected and experimented. When the agitating motor controlled by the computer rotates at different rotating speeds and uses rotating discs of different pit widths, the quantity of dust conveyed to the negative pressure dust suction pipe is different, and the concentration of dust aerosol formed by dust flowing in the dust spray dissolution cavity is also different. Therefore, dust aerosol of stable concentration can be continuously, accurately and quantitatively generated by selecting a rotating disc of proper pit width and proper rotating disc rotating speed and remaining unchanged.

The invention provides a solar steam boiler which comprises a solar heat collector, a heat exchanger, a water supply pipe and a heat storage tank. The solar heat collector comprises photothermal modules, and each photothermal module comprises solar evacuated tubes; each solar evacuated tube comprises an inner tube and an outer tube, and liquid heat absorbing media are arranged in each inner tube. One end of each photothermal module is a medium input end, and the other end of each photothermal module is a medium output end. The medium input ends communicate with the medium output ends through a heat exchange tube, and the heat exchange tube is partially located in the heat exchanger. The water supply pipe is partially located in the heat exchanger and conducts heat exchange with the heat exchange tube in the heat exchanger. The medium output ends further communicate with an inlet of the heat storage tank through a heat storage inlet tube, an outlet of the heat storage tank is connected with the medium input ends through a heat storage return tube, and the heat storage inlet tube and the heat storage return tube are each provided with a control valve. The solar steam boiler can store heat and continuously generate heat, convenience is brought to using for a user, cost is low, and solar energy replacing industrial fire coal is utilized to provide steam.

The invention discloses a steam quantity controllable instant-heating garment steamer which comprises a steamer body, a primary heating pot, a water pump and an ironing head. An accommodating cavity is formed in the steamer body, a water storage tank is arranged in the accommodating cavity, the primary heating pot is fixed in the accommodating cavity and is an instant-heating pot, the water pump is connected between the water storage tank and a water inlet of the primary heating pot and is connected with a controller arranged on the steamer body, the ironing head is communicated with a steam outlet of the primary heating pot through a steam hose, and a secondary heating pot is arranged in the ironing head. A steam inlet of the secondary heating pot is communicated with the steam outlet of the primary heating pot, and a steam outlet of the secondary heating pot is communicated with an ironing plate steam outlet of the ironing head. The steamer has a transient heating function, the efficiency of converting water into steam is high, and the technical problems of uncontrollable steam quantity output by the garment steamer and high water content in steam are solved.

The invention discloses an iodine satellite thruster working medium supply system. The iodine satellite thruster working medium supply system comprises a propellant storage tank, wherein the propellant storage tank is arranged at the rear end of a thruster and communicates with a main pipe. The main pipe is divided into two branch pipes through a three-way valve. The two branch pipes are connectedwith a negative pole and a positive pole of the thruster correspondingly. The propellant storage tank, the main pipe and the two branch pipes are each provided with a heating device. The two branch pipes are each provided with a proportional flow rate control valve. The invention further discloses an application method of the iodine satellite thruster working medium supply system. The applicationmethod comprises the specific steps that the propellant storage tank is heated to 90 DEG C, and the main pipe and the branch pipes are each heated to 125 DEG C; and the branch pipe flow rates are controlled through the proportional flow rate control valves correspondingly, and furthermore, the flow rates of a working medium entering the negative pole and the positive pole of the thruster are controlled. The iodine satellite thruster working medium supply system and the application method thereof have the beneficial effects that the iodine working medium supply system is provided, flow of theiodine working medium can be adjusted through heating, and the system works at the relatively-low temperature; and the system is easy and reliable to apply, and the high specific impulse and propulsive efficiency required by propelling of a cubesat can be continuously generated.

The invention relates to a method for producing a short-chain fatty acid employing combined pretreatment of activated sludge. The method comprises the following steps: (1) carrying out gamma-ray irradiation on activated sludge, so as to prepare gamma-ray irradiated sludge; (2) carrying out ultrasonic treatment on the gamma-ray irradiated sludge, so as to prepare ultrasonic-treated sludge; and (3) adjusting the pH value of ultrasonic-treated sludge, carrying out anaerobic fermentation, so as to prepare the combined pretreated activated sludge. After the activated sludge is subjected to gamma-ray irradiation and ultrasonic treatment, organic matters such as protein and polysaccharide in the sludge dissolved into water can be significantly improved, so that an abundant organic matrix which can be dissolved into water is provided for fermentation and acidogenesis of sludge; the acid production rate of the sludge is improved; the anaerobic fermentation time of the sludge is shortened; and the method has important significance in improvement and optimization of an existing sludge treatment system, energy conservation and consumption reduction, and reduction of the operation cost.

The invention discloses a preparation method and device for artificial crystal synthetic mica. The method and device provided by the invention provide reliable guarantee for obtaining high-quality synthetic mica. In addition to being used as synthetic mica, each component in the raw material for preparing synthetic mica provided by the invention also has the function of removing impurities in the raw material, which lays a good foundation for forming synthetic mica and obtains high-quality synthetic mica.

The invention discloses a control method of a disc type water storage steam generator and cooking equipment, and the control method comprises the following steps: a balance stage of continuously outputting steam: according to the relationship between the volume of a cooking cavity and the flow of a water pump, calculating the periodic water supply time t1 of the water pump to obtain a preset water quantity, and according to the preset water quantity and the power of a heating disc, calculating the steam time t2 of continuously outputting the steam; and a dry burning control stage: performing dry burning judgment according to the steam time t2 of continuously outputting the steam and the dry burning early warning temperature, and returning to the balance stage according to a dry burning judgment result. Through switching between the balance stage and the dry burning control stage, steam can be continuously generated, it can be guaranteed that no water is accumulated on the heating plate after cooking is finished, and cooking safety is guaranteed.

The invention discloses light weight foam concrete capable of adsorbing mass decoration pollutants. The light weight foam concrete is prepared from a polyhydroxy compound, Portland cement, gypsum powder, aramid hollow staple fibers, a cement foaming agent, a peroxide product with a protective film and water. The light weight foam concrete is prepared in the following steps: firstly, adding the polyhydroxy compound into the water for dissolving; secondly, adding the Portland cement, the gypsum powder and the aramid hollow staple fibers into a solution and continuously stirring until gel is formed; preparing the cement foaming agent into foam, adding the peroxide product with the protective film into the foam for uniformly stirring; adding a foam material into the gel for uniformly mixing, pouring a mixture into a die, molding and curing for 15 to 25 days to obtain a finished product of the light weight foam concrete. The light weight foam concrete prepared by the invention greatly improves the absorption and decomposition capabilities of the decoration pollutants such as formaldehyde and harmful organic matters and is more suitable for serving as a geotechnical building material.

The invention provides an engineered exosome for high expression of cancer suppression miRNA and targeting lung cancer, and also provides a preparation method of the engineered exosome, and application of the engineered exosome to drug loading and targeting therapy in lung cancer disease treatment. The engineered exosome for high expression of cancer suppression miRNA and targeting lung cancer can stably carry lung targeting alpha6beta1 protein, and wraps miRNAs: miR-214 and miR-770 for inhibiting growth and metastasis of lung cancer, so that the engineered exosome can be targeted to the lung and inhibit the lung cancer, and experimental results show that the produced engineered exosome has the characteristic of targeting lung cancer and can be used for preparing the lung cancer targeted exosome. Compared with the prior art, the engineering stable cell line has the advantages that the quantity of the exosome entering the lung tissue is increased, meanwhile, the produced engineering exosome carries high-peak miR-214 and miR-770, the concentration of miR-214 and miR-770 in the lung tissue is increased, the growth and metastasis of the lung cancer can be effectively inhibited, and in addition, the engineering stable cell line is capable of preserving breeds, convenient in passage and capable of continuously producing the engineering exosome.

The invention discloses a heater for heating a medium to form a gas dispersion system. The heater comprises a heating pipe, and a pipe body of the heating pipe is divided into a first heating part and a second heating part by a continuous temperature control belt; the temperature control belt is a continuous closed loop on the surface of the pipe body and is located in a unique inclined plane, and the inclined plane is obliquely arranged relative to the axial plane and the transverse section of the pipe body. A first heating part electrode is arranged on the first heating part, a second heating part electrode is arranged on the second heating part, and a common electrode is arranged on the temperature control belt; the first heating part and the second heating part are connected together through the common electrode, and the common electrode and the electrodes on the two heating parts are connected with a heating circuit; and independent heating of the first heating part and the second heating part is achieved. The processing technology of the heating pipe is simpler, the control modes of partition heating are more diversified, the heating efficiency of the heating pipe on the internal fuming medium is improved, and the experience feeling of the low-temperature smoking set is improved.

The invention relates to an anion generating agent, a white top-coating and preparation methods. The anion generating agent is mainly prepared from raw materials as follows: hydrous magnesium-rich silicate, a magnesium-rich polar material and armorphous silicon dioxide, wherein the magnesium-rich polar material contains magnesium-containing silicate and a polar ore material. The anion generating agent can produce anions, and has the beneficial effects of purifying air, removing aldehyde, killing bacteria and improving air quality.

The invention discloses an automatic backfire recovery device. The valve and the backfire eliminator are installed in each of two or more branch pipes branched from the Brown gas delivery pipe. And the flame eliminator, the backfire detection sensor and the backfire prevention device are arranged in the backfire eliminator. The valve and the backfire sensor are connected to a controller. Normally, only one branch pipe is normally used, and a valve connected to the other branch pipe is closed. When a backfire phenomenon occurs, the backfire detection sensor detects backfire and sends a backfire signal to the controller so as to extinguish backfire flames. In this case, the valve connected with the branch pipe in use is closed while the valve connected with the closed branch pipe is opened to supply the Brown gas. Accordingly, continuous operation can be performed without stopping the operation of cutting the substrate.

The invention discloses a method for acquiring animal permanent transgenes through spermatogonial stem cells (SSCs), recombinant plasmid and germ cells of the permanent transgenes, and belongs to the technical field of gene engineering. The method for acquiring the animal permanent transgenes through the SSCs comprises the following steps of: (1) amplifying a target gene fragment; (2) connecting the amplified target gene fragment and a Lenti-GFP-T2A vector to obtain the recombinant plasmid; (3) efficiently packing the recombinant plasmid of the step (2) in 293T cells; and (4) injecting the external packed plasmid of the step (3) into a convoluted tubule and other parts of a testicle respectively to obtain the germ cells of the transgenes. The invention has the advantages that: the transgene efficiency is ultrahigh, and the overall transgene efficiency can reach over 90 percent; transgenic sperms can be continuously generated; the transgenic sperms are convenient to use; and stable; and permanent transgenes can be formed.

The invention relates to the technical field of ammonia gas manufacturing, in particular to a laboratory ammonia gas preparation system. The laboratory ammonia gas preparation system comprises an ammonium hydroxide supply device, a first ammonia gas generating device, a second ammonia gas generating device, an ammonia gas drying device and an ammonia gas current stabilizing device. The first end of a first three-way valve is communicated with the water outlet end of the ammonium hydroxide supply device, the second end and the third end of the first three-way valve are communicated with the first end of the first ammonia gas generating device and the first end of the second ammonia gas generating device, a second three-way valve and a third three-way valve are used for enabling the second end of the first ammonia gas generating device and the second end of the second ammonia gas generating device to be communicated with the ammonia gas drying device, and the ammonia gas drying device iscommunicated with the ammonia gas current stabilizing device to enable ammonia gas to be continuously, stably and safely generated. The technical problems that in the prior art, the ammonia gas preparation efficiency is low, and the ammonia gas cannot be continuously, stably and safely output are solved.