30 results about "Boiling tube" patented technology

The invention relates to the field of tower type solar heat power generation research, discloses a simulation device for a solar cavity type heat absorber, and is applicable to a simulation performance test of a cavity type heat absorber in the tower type solar heat power generation system. The simulation device comprises a drum and a hexagonal prism shaped heat absorbing cavity, wherein a side surface of the heat absorbing cavity is provided with a daylight opening; a dead backside wall, a left backside wall and a right backside wall of the heat absorbing cavity are arranged opposite to the daylight opening; a dead backside boiling tube, a left backside boiling tube and a right backside boiling tube are respectively arranged close to the dead backside wall, the left backside wall and the right backside wall; a superheat tube is arranged between the daylight opening and the dead backside wall; and the dead backside boiling tube, the left backside boiling tube, the right backside boiling tube and the superheat tube are respectively communicated with the drum. The simulation device is characterized in that the dead backside boiling tube, the left backside boiling tube, the right backside boiling tube and the superheat tube are made of stainless steel pipe coils which are directly heated by a power supply.

The invention discloses artificial cell membrane materials applied to photoinduction stem grafting and a synthesis method of the artificial cell membrane materials. The synthesis method of the artificial cell membrane materials comprises the following steps that 2-(dodecyl trithiocarbonate)-2- methyl propionic acid, dicyclohexyl carbodiimide, 4- dimethylamino pyridine and dichloromethane are added into a flask, all the components are stirred and dissolved under the protection of nitrogen, azide ethanol is dropwise added and stirred, washing is carried out through diluted hydrochloric acid and distilled water, solvents are removed through a reduced pressure distillation method, and a yellow oily liquid a is obtained; MPC, a midbody a, azo different nitrile and absolute ethyl alcohol are added into a boiling tube and are evenly dissolved, then after the nitrogen is removed through three times of 'vacuumizing-induction of highly pure nitorgen' operations on the boiling tube, and reaction away from light is carried out on the boiling tube in a sealed mode under the protection of highly pure nitrogen; the reaction liquid is precipitated through trichloromethane/diethyl ether mixed solvents, and solid products are collected. By means of the technical scheme, the artificial cell membrane materials have good biocompatibility, achieve the various effects of restraining of protein adsorption, anticoagulation, surface lubrication and the like, and have good medical prospects.

The invention discloses a starting and operating protection system of a solar cavity type heat absorber. The starting and operating protection system of the solar cavity type heat absorber comprises a protection structure of a vapor-water circulating system in a cavity type heat absorber pot and a protection structure of a cavity type heat absorber superheater; the protection structure of the vapor-water circulating system in the cavity type heat absorber pot is that: a pipeline is connected in parallel beside a high-temperature circulating pump of the vapor-water circulating system in the cavity type heat absorber pot; and the pipeline is directly connected with a boiler barrel and a boiling tube of the vapor-water circulating system in the cavity type heat absorber pot to form a naturalcirculation loop of the vapor-water circulating system. The protection structure of the cavity type heat absorber superheater is that: an inlet and an outlet of the cavity type heat absorber superheater are provided with a protection bypass receptively. The starting and operating protection system of the solar cavity type heat absorber can make the cavity type heat absorber start and operate safely with high heat flux density and ensures that the cavity type heat absorber operates normally and smoothly and that the performance data of the cavity type heat absorber is acquired.

A natural-circulation self-cleaning evaporation device is disclosed. A steel wire screw is mounted in an uplink heating pipe; a twisted strip screw is mounted in a downlink heating pipe. Fluidization balls are added into a circulation solution to realize high-efficient cleaning by the fluidization balls with a low concentration of 0.1%-3.0% in a spiral fluidization state. A boiling pipe is disposed above a heating chamber, is trumpet-shaped, prevents fluidization ball obstruction by adopting a converged section and a gradually-expanded section, and reduces the circulation resistance and the outlet kinetic energy loss. A shunting skirt is designed at the lower end of a lower pipe plate of the heating chamber. The circulation solution flowing downwards is shunted into a circulation main flow and a circulation auxiliary flow before the shunting skirt; the circulation auxiliary flow flows into and stirs the fluidization balls to form a fluidization state when passing through sieve pores on a sieve plate, which allows the fluidization balls to flow into the uplink heating pipe uniformly and smoothly, so as to realize natural circulation flow of the fluidization balls. The spiral-fluidization self-cleaning evaporation device can not only realize natural circulation, but also realize high-efficient automatic cleaning, is reliable in operation, simple in maintenance, and thus can realize both great yield increase and energy saving.

The invention discloses a central circulating tubular evaporator. The central circulating tubular evaporator comprises a barrel, an upper tube plate and a lower tube plate, wherein the upper tube plate and the lower tube plate are welded into the barrel and vertically connected with the barrel, a central circulating tube and a set of boiling tubes are arranged between the upper tube plate and the lower tube plate, the axis of the central circulating tube is coincident with the axis of the barrel, the boiling tubes surround the central circulating tube, and the outer surfaces of the boiling tubes are provided with a plurality of grooves and/or tiny concave surfaces in the circumferential direction. According to the central circulating tubular evaporator, the outer surfaces of the boiling tubes are provided with the grooves and/or the tiny concave surfaces in the circumferential direction, convex ribs in the tubes stretch into the central areas of the tubes, and heat exchange of fluid in the central areas in the tubes is enhanced; tiny spherical protrusions in the tubes periodically disturb the fluid close to the walls of the tubes, under the same flow sectional area, the heat transfer area is enlarged, the heat transfer rate is increased, and scaling does not occur easily.

The invention provides a high-capacity low-power water storage type lukewarm water drinking fountain. The high-capacity low-power water storage type lukewarm water drinking fountain comprises a waterinflow assembly, a water boiling assembly, a conduction assembly and a water storage assembly. The water inflow assembly comprises a main water inlet pipe; the conduction assembly comprises a conduction water pipe; the water boiling assembly comprises a heating container, a water boiling tube, a heating device and a first temperature sensor, wherein the heating device and the first temperature sensor are arranged on the heating container; the water storage assembly comprises a water storage tank, a second temperature sensor, a lukewarm water pipe, a water drain pipe and a drainage electromagnetic valve, wherein the second temperature sensor is arranged on the water storage tank, the lukewarm water pipe and the water drain pipe are connected with the water storage tank, and the drainage electromagnetic valve is arranged on the water drain pipe; the heating container is connected with the main water inlet pipe, and the conduction water pipe is connected with the heating container and thewater storage tank; when the water temperature of water in the water storage tank is lower than a set temperature, the drainage electromagnetic valve is opened, and the water flows out from the waterdrain pipe; and meanwhile, water of the heating container is supplemented into the water storage tank through the conduction water pipe until the water temperature of the water in the water storage tank reaches the set temperature, and the drainage electromagnetic valve is closed. Compared with related technologies, the high-capacity low-power water storage type lukewarm water drinking fountain provided by the invention has the advantage that uninterrupted lukewarm boiled water supplying can be achieved.

The invention discloses a Chinese herbal medicine drug component extracting device. The device comprises a first frame body, a second frame body, a terminal block,boiling tubes, a water storage tank,a lifting and rotating mechanism and a clamping mechanism, the first frame body comprises an upper panel, a lower panel and a connecting plate, the second frame body comprises a turntable, a collecting barrel and a liquid discharging pipe, two annular sliding grooves are symmetrically formed in the terminalblock, the inner walls of the annular sliding groovesare fixedly connected withmetal rings,the inner walls of the boiling tubesare spirally fixedly connected with a heating wire,fixing metal plates andlifting metal plates are arranged in the boiling tubes, the bottoms of the boiling tubes are fixedly connected withconnecting rods, the other ends of the connecting rodsare fixedly connected withsliding blocks, the inner walls of the sliding blocksare fixedly contacted with contact metal pieces, the lifting and rotating mechanism comprises an L-shaped rod, an electric telescopic rod and a motor, the clamping mechanism comprises a cartridge body and a splint, the plurality of boiling tubes are arranged, so that drug componentsare dissolved in each boiling tube in steps during the boiling process of medicines,the drugcomponents in the Chinese herbal medicines are completely extracted, and the waste of active ingredients of the medicines is avoided.

The invention discloses vertical descaling equipment for the inner wall of a boiler tube. The vertical descaling equipment comprises a base, a first support and a top plate, wherein the first supportis arranged at the top of the base; a first hydraulic cylinder is arranged at the bottom of the base; a first piston rod is inserted in the top, penetrating through the bottom of the first support, ofthe first hydraulic cylinder; the top plate is arranged at the top of the piston rod; a movable ring is arranged at the bottom of the top plate; a telescopic rod is arranged in an inner cavity of themovable ring; and a second support is arranged at the top of the first support. According to the vertical descaling equipment, the telescopic rod is driven by the first hydraulic cylinder to move upand down, and a first gear is driven by a motor to rotate at the same time, so that a fixing block connected with the telescopic rod is capable of moving up and down while rotating at the edge of theinner cavity of a boil tube to be decaled, thereby facilitating descaling of the inner cavity of the boiler tube, the descaling efficiency is improved, and the vertical descaling equipment is suitablefor being use and popularized.

The invention discloses a healthy water dispenser, which comprises an organic body, a cavity is opened in the upper part of the body, the cavity is separated from the groove by a third partition plate, the cavity is separated by a first partition plate and a second partition The partition is divided into mineral chamber, working chamber and water tank. There is a bagged mineral concentrate in the mineral cavity, and the bagged mineral concentrate is led out by the first diversion tube, and the lower side is provided with a support plate for supporting, and the support plate is far away from the bottom of the inlet end of the first diversion tube A compression spring is provided; a hot water conduit and a return pipe are provided on the top of the water tank, a check pump is provided at the front end of the hot water conduit, and an arch is formed on the return pipe; the hot water conduit includes a boiling water pipe, and the horizontal position of the boiling water pipe is higher than The return pipe and the boiling water pipe are provided with an air outlet. The water dispenser disclosed by the invention can ensure the smooth mixing of the mineral concentrated liquid and the drinking water, and make the heated water boiled, which is beneficial to the health of drinkers.

The invention provides a high-throughput screening method of streptomyces fradiae strains capable of producing neomycin. The method includes the steps: (1) inoculating single colony spores to perforated plates of a slant culture medium and a fermentation culture medium, taking supernate by sulfuric acid acidification and centrifugation after fermentation culture, and diluting the supernate with water; (2) performing reaction on fermentation diluents and 0.25% phosphotungstic acid to generate precipitates; (3) measuring an OD (optical density) value by a microplate reader and performing secondary screening; (4) inoculating spores of the strains to be secondarily screened to a boiling tube slant or eggplant bottle slant and a shake flask for fermentation culture, and acidifying the spores bysulfuric acid; (5) filtering and diluting acidizing fluids, performing reaction on the acidizing fluids and 0.25% phosphotungstic acid in an elisa plate and measuring the OD value; (6) precisely screening selected strains after shake-flask fermentation, and measuring biological values to obtain high-producing strains. The high-throughput screening method is convenient, rapid and accurate in operation, the screening efficiency of neomycin mutation breeding is improved to a great extent, and the probability of acquiring the neomycin high-producing strains is greatly increased.

The invention relates to a novel tube-type oil cooler core clean device comprising a boiling tube, a water injection valve, a steam inlet valve, a temperature meter, an overflow pipeline, oil cooler core support rings and a waste liquid collection box, wherein the water injection valve is connected with the boiling tube by a pipeline, the steam inlet valve is connected with the boiling tube by a pipeline, the temperature meter is inserted into the boiling tube, the oil cooler core support rings arranged on the inner wall of the special boiling tube, and the waste liquid collection box is connected with the boiling tube by the overflow pipeline. When the novel tube-type oil cooler core clean device is used for cleaning, an oil cooler core is placed on the oil cooler core support rings, water is injected into the boiling tube by the water injection valve till reaching the mouth of the overflow pipeline, waste liquid is discharged to the waste liquid collection box by the overflow pipeline, steam is charged into the boiling tube by the steam inlet valve, the oil cooler core is continuously boiled for 1-2 days, and at last, the oil cooler core is taken out, flushed and dried. Compared with the prior art, the novel tube-type oil cooler core clean device disclosed by the invention has the advantages of wide range of application, safety, reliability, good cleaning performance, convenience to examination and repair, and the like.