2593 results about "Tubes types" patented technology

A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube.

A PAP system for delivering breathable gas to a patient includes a flow generator to generate a supply of breathable gas to be delivered to the patient; a humidifier including a heating plate to vaporize water and deliver water vapor to humidify the supply of breathable gas; a heated tube configured to heat and deliver the humidified supply of breathable gas to the patient; a power supply configured to supply power to the heating plate and the heated tube; and a controller configured to control the power supply to prevent overheating of the heating plate and the heated tube.

Tube-type animal trap systems for the humane non-injurious, non-invasive trapping of animals, and to methods and systems for electronic remote trap monitoring and management. The invention includes mechanical and electric / electronic, tube-type traps, and to electronic data communications systems that enable remote monitoring of the status of any type of trap (e.g., is the trap tripped or not). Computer systems at a remote home base permit simultaneous management of multiple traps in the field, including enabling management via the Internet.

The invention relates to a method for controlling defrosting operation of an air-conditioner; when one defrosting operation period is completed or one defrosting operation period is divided into a plurality of stages, an outdoor condensate fan is controlled to operate reversely for a certain time t at the end of each stage and blows off defrosted water on a condenser. The method for controlling defrosting operation of the air-conditioner is particularly applicable to the air-conditioner with the condenser using a micro-channel special structure; the fan of the outdoor unit is utilized sufficiently; during the defrosting operation, the condensate fan of the outdoor unit is controlled to operate reversely within a short time and blows off the defrosted water on the condenser, so that the purpose of completely defrosting is achieved; and the method is also applicable to other air conditioners with finned tube type condensers.

A prosthetic foot includes an adapter element securable to a residual limb, a foot plate having a heel portion and a toe portion along the length thereof, at least one toe spring connected between the adapter element and the toe portion of the foot plate, and a heel spring connected between the adapter element and the heel portion. The heel spring may be a leaf spring or a tube type shock absorber. The concave side of the leaf spring exhibits a plurality of transverse ribs. Alternatively, a tubular pylon may have a collar mounted thereon for movement along the length of the pylon. A toe spring and a heel spring extend from the collar to form toe and heel portions of the prosthetic foot. A further heel spring is connected between the heel portion and another end of the pylon, and a non-extensible band extends between the heel portion and the collar. As another alternative, a tubular pylon has one end securable to a residual limb, and a collar is mounted to the pylon for movement along the length of the pylon. At least one toe spring is connected between the collar and the toe portion of a foot plate, while a heel spring is connected between the heel portion of the foot plate and another end of the pylon.

Recovery of viscous hydrocarbon from subterranean formations is assisted by using a plurality of novel U-tube type wells, each with dual wellheads, a moveable wellbore packer, a lateral section with a concentric communication zone and with sequential injection production perforations in which heat is injected into the proximal perforations and hot oil and produced fluids are produced from the distal perforations, the whole process being controlled by modulating the production flow where the wellbore fluids are controlled to act as a hydraulic seal to limit bypass of injected fluids. The injection-production displacement process moves axially along the wellbore in a sequential manner as hydrocarbon volumes are depleted by injected fluid displacement of oil and oil and water production.

The invention discloses a pile-embedding spiral pipe typed ground source heat pump system and a heat transmission model of a geothermal heat exchanger thereof. A solid cylindrical surface heat source model is put forward for the first time and two analytic solution expressions of the heat transmission model is worked out by the Green function method. The system can sufficiently utilizes the underground area of a building, saves a great amount of expenses for boring and pipe embedding, reduces the initial investment of the ground source heat pump system, improves the construction efficiency and has convenient and quick construction. Furthermore, the heat transmission model of the pile-embedding spiral pipe geothermal heat exchanger can quantitatively analyze the effects of all parameters of the pile-embedding spiral pipe geothermal heat exchanger on the heat transmission capability and provides a basis for the engineering design. The structure of the pile-embedding spiral pipe typed ground source heat pump system comprises the geothermal heat exchanger which is connected with an air conditioning heat pump system by pipelines; the air conditioning heat pump system is connected with a conveying and end system in the building; the geothermal heat exchangers have the quantity of more than one; and each geothermal heat exchanger forms the pile-embedding spiral pipe-typed geothermal heat exchanger by building pile foundations and spiral pipes which are embedded in the pipe foundations.

Disclosed is a nervous tissue engineering tubular supporting stand and method for making same, wherein the nervous tissue engineering tubular supporting stand comprises a chitosan pipe wall and biological source filling base material with axial multiple passages, and the method consists of preparing semipermeable chitosan hollow pipe with 1-5mm of inside diameter, pouring large biological molecule solvent such as chitosan, collagen or gelatine, and utilizing special-purpose die arrangement and lyophilization technology. The obtained multiple-pass nerve channel with bionic construction is beneficial for cell adhesion, migration and leading of neuraxon directional growth, and suitable of the renovation and regeneration of nerve damages.

Provided are a method for preparing an electrode system, an electrode system prepared therefrom, and an electric device including the same. The method includes the steps of forming a porous template having nanopores on a first electrode, wherein a diameter of the nanopores is between 5 to nm 500 nm; and forming a rod-type / tube-type second electrode inside the nanopores which are connected to the first electrode, the electrode system prepared therefrom, and an electric device including the same. With the large surface area, the electrode system of the present research improves efficiency and performance of various electric devices. The contrast and respond speed of the electrochromic device can be increased, and the number of electron-hole pairs of a solar cell is increased. The loss of electron-hole pairs is minimized, and charge storage of the supercapacitor and charge respond speed is heightened.

The invention provides a novel high-temperature high-pressure explosion limit tester comprising a raw material gas supply apparatus, an explosion determination device, a vacuum generating device, and a controlling device. The explosion determination device is mainly composed of a pressure sensor, a temperature sensor, and an igniter. The explosion determination device is used for determining explosion limit, explosion pressure and explosion temperature of the gas or vapor. The vacuum generating device is used in vacuum pumping upon the explosion determination device. The controlling device is used for determining, controlling and collecting experimental data generated during the experiment. Compared with prior arts, the high-temperature high-pressure explosion limit tester provided by the invention has a temperature testing range of room temperature to 400 DEG C, which is higher than 200 DEG C which is a maximal temperature of instruments in existing standards; the tester provided by the invention has a pressure range of normal pressure to 2.2MPa, which is higher than 1.38MPa which is a maximal pressure of instruments in existing standards; and the tester provided by the invention has a test volume of 10L, which is larger than that of an existing tube-type explosion limit tester, such that a wall effect can be better reduced.

The invention relates to a flexible tubular solid liquid processor, with filter, heat exchange and thermal extraction functions, wherein the filter element at least comprises one flexible tubular membrane unit, upper flange room and lower flange room; the hydraulic extracting system comprises pressure container, extract pump and tubes; the material liquid of container can be filtered by the tubular filter membrane of membrane unit, and said material liquid can be used as work medium to extract the concentrated material liquid in the filter room of membrane unit and discharge filter slag; the pressure container or the filter room of membrane unit can be filled with medium to exchange heat, to realize thermal filter or extraction; the filter element is arranged on the bearing base inside the pressure container; the filter rotator can rotate the filter element to realize cross-flow filter; and the invention can be arranged with gas or water reverse tube and vacuum filter tube; the slag discharge system comprises slag discharger or tubular inner / outer membrane scraper, or vibration slag discharger, or compression slag discharger.

The invention relates to a tubular stapler with a safety device and a stapler body. The stapler comprises a staple pressing seat component, a staple and a stapler body, wherein, the stapler body comprises a spindle component, a push rod component, a staple box component, a shell component, a movable handle, an adjusting nut, a safety block and an indicator. The stapler has an interlock function of the indication on a green zone by the indicator and the automatic start-up of the safety block. By observing the indication of the indicator on the green zone and the clang given by the safety block for automatic start-up, the stapler can give double hints to a clinician that an anastomosis zone is entered and the anastomosis distance can be continued to be slightly adjusted by considering the thickness of tissue, and then the clinician can move the movable handle to realize the anastomosis of cutting. Therefore, the tubular stapler can prevent the percussion beyond the predetermined scope and is convenient, safe and reliable in operation.

The invention relates to a disposable single hand insertion tube type vein detaining needle (shown as in the abstract drawing) which can simplify the operation process of a nursing technique, improve the venipuncture success rate, relive patients' pain and save medial treatment materials. On the basis of the original vein detaining needle, the handle of the detaining needle is transformed into an anastomosis handle, the anastomosis handle extends forwards about 2 mm, two longitudinal semicircular bulges are designed on the upper surface of the anastomosis handle, a miniature baffle plate is additionally arranged on the rear edge of the lower surface of the anastomosis handle, four protuberances are designed on the lower surface of the anastomosis handle, an anastomosis side wing is additionally arranged on a trocar bed of the indwelling needle, two semicircular grooves are designed in the lower surface of the anastomosis side wing to be matched with the longitudinal semicircular bulges on the upper surface of the handle, a miniature baffle plate is additionally arranged on the front edge of the anastomosis side wing, and four protuberances are designed on the lower surface of the anastomosis side wing. During venipuncture, after blood returning, a cannula is pushed into a vessel by the thumb of a right hand without the need of exchanging hands, so that the delivering of a detaining needle cannula by a single hand can be achieved, the operation process is simplified, the vessel is not liable to puncture, the success rate is improved, and the patients' pain is relieved.

A catalytic cracking fume desulfuration wastewater treatment process is characterized in that wastewater is discharged to a slurry pool and is mixed with a flocculating agent, a stirrer is used for stirring the wastewater and the flocculating agent, the wastewater and the flocculating agent are mixed evenly, the wastewater after being mixed is discharged to an expansion tube type filter and is subjected to the coagulation reaction at the lower end of the expansion tube type filter, small particulate matters in the wastewater are flocculated, large flocculating bodies are formed, the solid-liquid separation is achieved through the filtration of a filtering film, thick slag and supernatant fluid are obtained, the supernatant fluid is discharged to an oxidation tank further, the thick slag is subjected to back washing and enters a subsequent filtering box, the thick slag is concentrated and dewatered in the filtering box, mud cakes which are concentrated are transported outwards, the water of dehydration returns to the slurry pool again, is mixed with the wastewater and is processed again, the false chemical oxygen demand (COD) which contains sulfite and bisulfite is oxidized and removed by the supernatant fluid in the oxidation tank, and the sewage which meets standards is discharged. Compared with the prior art, the process has the advantages that the area occupied by devices is small, the operation cost is low, the solid and the liquid can be separated completely, the working environment of workers is good, device parameters can be set in accordance with parameters of different materials, and the application is wide.

The invention discloses a preparation method for a NiCoP nanowire electro-catalytic electrode. A NiCo salt nanowire is adopted as a phosphorization precursor, hypophosphite is used as a phosphorus source, and the phosphorization process of the NiCo salt nanowire is achieved by controlling the annealing technique in a stored program control tube type annealing furnace. The diameter of the NiCoP nanowire obtained through the method is 140 nanometers, the length of the obtained NiCoP nanowire is about 3.2 micrometers, and the surface of the nanowire is roughly and evenly grown on a 3D netty foamed nickel substrate, so that the specific surface area and the electric conductivity of an electro-catalytic material are effectively improved, and the electro-catalytic hydrogen evolution performance and stability of an electrode material are improved. The electro-catalytic hydrogen production performance of the electrode is tested in 1M of a KOH electrolyte, the overpotential under the electric current density of 10 mA / cm<2> is 109 mV, and the Tafel slope is 88.5 mV / dec, so that the material has the superior electro-catalytic hydrogen production performance compared with common electro-catalytic hydrogen evolution materials. Meanwhile, the preparation technique is simple, the equipment requirement is conventional, reactive materials are abundant, price is low, and the electrode is environmentally friendly.

The invention relates to a fluidized reduction furnace for producing high-purity vanadium trioxide, which comprises a fluidized bed reactor and a built-in heat exchange component, wherein the heat exchange component is a tube type heat exchanger, and a heat exchange tube is vertically provided with at least two layers of sieve mesh plates to form at least three layers of fluidized reaction chambers. The invention also provides a fluidized reduction method for producing the high-purity vanadium trioxide. The fluidized reduction furnace and the fluidized reduction method have the advantages that firstly, materials in each layer are in a fully-mixed state, and material flow among the layers is in a plug flow state; secondly, the multi-stage fluidized reduction conditions are provided, raw materials enter from the lowermost layer, are reduced step by step and are purified gradually, and the running stability and the operating rate of equipment are improved in a manner of reduction step by step; and thirdly, the fluidized reduction furnace can be used for producing the high-purity vanadium trioxide, and the vanadium grade is larger than 67.9 percent.

This invention relates to a continuous microwave synthesis process of inorganic materials and its apparatus and more particularly, to the process of synthesizing inorganic materials prepared in a manner such that after preparing a mixed solution of precursor materials for various inorganic materials such as porous molecular sieve, layered compounds and ceramics, this mixed solution is continuously added to a tube-type microwave reactor using a slurry pump for the synthesis and crystallization of inorganic materials. Thus the manufacturing process of this invention has the following advantages: (1) the reaction time is further shortened by several to tens of minutes for crystallization, compared to the conventional hydrothermal reaction requiring a prolonged time, (2) the continuous manufacturing and collection processes of this invention can give access to mass-scale production of inorganic materials with relatively small facility, compared to the conventional batch hydrothermal or microwave synthesis, and (3) less amount of organic templating agent can be required during the manufacture of porous molecular sieve.

The invention relates to a method for preparing active carbon from rice straw. The method comprises taht: (1) the collected rice straw is subjected to alkali cleaning, cleaned to neutrality, dried, and cut or pulverized; (2) the rice straw is added into an activator solution, evenly stirred, soaked for 12 to 24 hours, subjected to solid-liquid separation, cleaned and dried; (3) the rice straw prepared in step (2) is put in a barrate type oven and pre-oxygenated for 1 to 2 hours; (4) the pre-oxygenated rice straw is put in a tube-type carbide furnace, heated for temperature rise under the protection of nitrogen gas, and activated; and (5) the activated rice straw is washed by water till pH is between 6.5 and 7.5, and dried at 105 DEG C to prepare the active carbon. The active carbon prepared by the method has good adsorption performance; the adsorptive value of methylthionine chloride reaches between 200 and 300 mL / g; and the preparation process is simple, economical and environment-friendly, meets requirement of clean production and circular economy development, and has good industrial application prospect.

The invention relates to an openable cosmetic case of a dual structure protecting a tube, and more particularly, to an openable cosmetic case of a dual structure protecting a tube wherein a tube-type inner case to which an airless pump is engaged is made of rigid material and is protected by an outer case that can be disassembled and assembled and the airless pump performs a pumping operation under state in which the pump is completely mounted in the outer case without being exposed to the outside, thereby improving structure and operation properties and protecting the tube of the inner case from the exterior shock, pressure and ultraviolet rays.The cosmetic case has a dual structure in which a pair of outer cases that can be disassembled and assembled protect a tube-type inner case to which an airless pump is mounted. The inner case 100 is formed into a tube shape comprising a bag 110 that is made of flexible material and safely stores the contents and an injection pipe 120 that is heat-fused to an upper part of the bag 110 and has a connection piece 121 at an outer periphery. The outer cases 300, 300a are structured to be symmetrical to each other and have a mount space 310 in which the inner case is mounted and a vertical operation chamber 320 to which the airless pump is mounted, a lower part of the operation chamber 320 is formed with a connection recess 323 to which a connection piece 122 of the inner case is connected, one outer case 300 is formed with a nozzle guide hole 321 and the other outer case 300a is formed with a finger guide hole 322 having a semi-sphere shape. The airless pump 200 is mounted in the operation chamber 320 of the outer cases 300, 300a and performs a pumping operation with being supported to the operation chamber.

An optical cable according to the present invention relates to an optical cable having a construction to enable reduction of a cable outer diameter, and / or improvement of contained efficiency of coated optical fibers while an increase of transmission loss in each coated optical fiber is suppressed. The optical cable has a loose-tube type of structure constructed by: a tension member; a plurality of tubes stranded together around the tension member; and an outer sheath covering the outer periphery of the plurality of tubes. One or more coated optical fibers are contained in each tube. A ratio of A / B is 6.3 or more but 7.0 or less, where each coated optical fiber has a mode field diameter A in a range of 8.6±0.4 μm at a wavelength of 1.31 μm, and where a fiber cutoff wavelength thereof is B μm.

The present invention provides a smaller and more efficient tube-type electrochemical reactor cell stack, along with an electrochemical reactor system using this stack, and the invention provides an electrochemical reactor cell stack which is a structure comprising electrochemical reactor cells with a tube structure composed of an anode (fuel electrode), a dense ion conductor (electrolyte) and a cathode (air electrode) arranged in connecting holes on the side of a fuel gas pipe, wherein each tube-type cell is connected in parallel or series electrically by means of a conduction connector, along with a manifold for tube-type cells and an electrochemical reactor system using it, and the use of a manifold and stack structure with high industrial productivity allows the small tube-type cells to be highly integrated, so that a highly efficient solid oxide fuel cell or other electrochemical reactor system can be provided.

A bird feeder of the tube-type having a vertically disposed hollow body portion formed of metal mesh material or a clear plastic material. The body portion has a plurality of inverted, truncated funnel members or baffles positioned therein in a vertically spaced-apart relationship which maintain a certain amount of feed at that level even though the main feed supply has dropped below that funnel member or baffle.

The present invention relates a roller-type dual cosmetic case having an airless pump, and more particularly, to a roller-type dual cosmetic case having an airless pump wherein a so-called roller-type cosmetic case, which enables the cosmetics stored in a cosmetic case to be applied on the skin using a rolling-operated roller, is formed into a case body of a dual structure and an airless pump is provided, so that a foreign material or air is basically prevented from being introduced from the outside during the non-use of the cosmetics and the contents of the cosmetic case is thus prevented from being contaminated and deteriorated and the cosmetics are discharged in a constant amount all the time by operating the pump during the use of the cosmetics, thereby enabling the contents to be used more conveniently and efficiently.The roller-type dual cosmetic case comprises a tube-type inner case 10 made of a flexible material so as to store contents of a cream type and having a fixing element 11 at its upper part, the fixing element having a rigid discharge pipe 12 for discharging the contents; a rigid outer case 20 protecting the inner case 10 and maintaining an overall external shape of the cosmetic case, the inner case and the outer case forming a case of a dual structure; a head 30 engaged at an upper part of the outer case 20 and having therein a flow passage through which the contents are discharged and at its upper part a nozzle 33 and a mount space 31; a roller 40 horizontally provided to an upper part of the head, structured to be idling and enabling the contents discharged through the nozzle 33 to be applied to the skin; and an airless pump 50 that is connected at its one side to the discharge pipe 12 of the inner case 10 and at its other side to the nozzle 33 in the mount space 31 of the head 30 and enables the contents stored in the inner case 10 to be discharged to the nozzle 33 with pumping force caused by a horizontal push operation of an operation button mounted to be exposed at one side of the head.

The invention relates to a method for preparing nitrogenous graphitized hollow carbon microspheres, which relates to a method for preparing hollow carbon microspheres. The method disclosed by the invention aims to solve the technical problem that in the existing method for preparing nitrogenous graphitized hollow carbon microspheres, because a template agent is utilized, the preparation process is complicated, and the cost is increased. The method comprises the following steps: adding melamine powder and a formaldehyde solution into deionized water, and after heating for reaction, obtaining reaction liquid; then, transferring the reaction liquid into a reaction kettle, and after carrying out hydrothermal reaction on the reaction liquid, obtaining melamine resin microspheres; and putting the melamine resin microspheres into a quartz tube type furnace, and heating the melamine resin microspheres so as to split the melamine resin microspheres, thereby obtaining nitrogenous graphitized hollow carbon microspheres. The average diameter of the nitrogenous graphitized hollow carbon microspheres is 1-5 microns; and by using the method, no template agent and no catalyst are required to be added in the preparation process, the preparation process in a synthesis method is simple, the cost is low, and microspheres are easy to be performed mass production and can be used as electrode materials or carrier materials of active substances of electrodes in the fields of electrochemical super capacitors, lithium ion batteries, fuel cells and the like.

The invention discloses a buoyancy driving device of a deep-sea underwater glider, which comprises an oil tank, a high-pressure plunger pump, a gear pump and a normally closed electromagnetic valve. The oil tank is mounted in a pressure-resistant shell and consists of a shell fixedly connected with the pressure-resistant shell, a corrugated pipe type leather sac is mounted in the shell, one end of the corrugated tube type leather sac is hermetically fixedly connected with the bottom end of the shell, the other end of the corrugated tube type leather sac is hermetically fixedly connected with a movable end cover, the movable end cover is slidably connected into the shell, an end cover photoelectric sensor and a top end photoelectric sensor are mounted on the shell, an oil outlet of the oil tank is connected with an oil inlet of the gear pump, an oil outlet of the gear pump is connected with an oil inlet of the high-pressure plunger pump, an oil outlet of the high-pressure plunger pump is connected with an oil inlet of an outer oil sac, the oil outlet of the gear pump is connected with an oil inlet of the oil tank by a check valve communicated with the gear pump, and an oil outlet of the outer oil sac is connected with the oil inlet of the oil tank by the normally closed electromagnetic valve. By the aid of the buoyancy driving device, underwater gliders can run in the deep sea, and requirements on deep-sea operation for a long time and at high depth are met.

The invention discloses a high-light-concentration solar-energy and hot-airflow wind / solar coupled generating system, comprising a turbine generator, turbine fan blades, a secondary-stage turbine wind generator, a third-stage turbine wind generator, a plurality of vertical-axis wind generator, a vertical-axis wind turbine, a high-light-concentration heat collecting lens, a diversion-tower inner-wall panel heat retainer, a serpentine-tube type heat collector, a Fresnel light concentrator, a high-light-concentration gallium arsenide photovoltaic cell system and a film photovoltaic cell system. The high-light-concentration solar-energy and hot-airflow wind / solar coupled generating system has the advantages that the high-light-concentration heat collection efficiency is higher than air temperature of a conventional chimney-type heat-power-generating heat collecting shed, after a high-temperature hot airflow enters the diversion tower, air speed is improved by 5-10m / S, and the generated power of turbines is improved by 30% for work application; the height of the diversion tower is reduced by more than 60%; the air negative pressure is increased, the air density is decreased, and a hot-airflow chimney effect is enhanced; the turbines are coupled with the vertical-axis generator to make up the motive power compensation caused by air speed reduction at night; the vertical-axis wind turbine drives the turbine generator to simultaneously or alternatively and independently drive the turbine generator to rotate for power generation through a gear; and thus, the all-weather continuous power generation is realized.

The invention provides a thermal hydraulic experiment device and method for simulating a nuclear reactor neutron reactivity feedback process. The thermal hydraulic experiment device comprises an electric heating experiment section, a shell-tube type cooler, a voltage stabilizer, a pressurizing nitrogen gas tank, a circulating pump, a cooling water pump, a cooling water tank, a cooling water tower, a pipeline, a valve, a measuring instrument, a data acquisition system, a control computer, a high-frequency direct-current power supply and a conductive copper bar. The high-frequency direct-current power supply is used for electrifying the electric heating experiment section. The circulating pump is connected with an inlet of the electric heating experiment section through a pipeline; the circulating pump is provided with a bypass pipeline; an outlet of the electric heating experiment section is connected with a pipe side inlet of the shell-tube type cooler through a pipeline. A control system for simulating nuclear reactor neutron reactivity is additionally arranged on the thermal hydraulic experiment device, and can be used for simulating the reactivity feedback process and a thermal hydraulic response process of nuclear reactors under various instant working conditions; the thermal hydraulic experiment device has the advantage of simulating various types of experiment working conditions, which are not easy to carry out in the nuclear reactor, under a nuclear-radiation-free environment.

The invention relates to a solid oxide fuel cell, in particular to a composite anode of the solid oxide fuel cell and a preparation method thereof. According to weight percentage, the weight composition of the composite anode comprises 30 to 69.9 percent of NiO, 0.1 to 35 percent of rare earth materials and 30 to 69.9 percent of zirconia YSZ with stable yttrium oxide. The composite anode of the solid oxide fuel cell is compounded by adding the rare earth materials to the traditional anode of nickel oxide and zirconia with stable yttrium oxide, and the rare earth materials are added to the anode so as to improve the performance of the anode; the composite anode has the advantages of even distribution of electrode structure, tight interface contact between nickel and YSZ, low polarization impedance, high activity, etc., thus improving the output performance of the cell. The novel composite anode can be applied to flat type, tube type and flat tube type solid oxide fuel cells.

The invention relates to solid electrolyte direct carbon fuel cell. In the invention, tube-type batteries serve as the electrochemical reaction device, the inner layer of the batteries is anode, the intermediate layer is the electrolyte and the outer layer is cathode, carbon fuel is filled in the tube-type batteries. The carbon fuel cell of the invention features high energy efficiency, sound environmental protection property, a theoretic efficiency being 2-3 times of the generating efficiency of the existing coal power plants, reduction of discharge of greenhouse gas CO2, no generation of acidic gases such as nitrogen oxide and sulfide, no possible danger of liquid leakage and gas explosion and fine electrochemistry property.

A combined portable, cleaning fluid spray apparatus and paper towel support and dispensing apparatus is provided which combines the functions of a liquid window cleaner spray dispenser and a paper towel roll holder into one product. A long, tube-type arrangement fits inside a roll of paper towels, and the lower portion of the tube comprises a base which holds used and discarded paper towels in a lower compartment. A standard pump sprayer at the top connects to the tube with a threaded connection. An upper plate-type washer along with a tension rod provides a method of restraining the paper towels when not being used, as well as an easy means to tear off the paper towels during use.