261 results about "Structural water" patented technology

The present invention relates to a copper-manganese mixed oxide cathode material, which is suitable for use in a cathode of an electrochemical cell, and which has the formula MnxCuyOz,.nH2O, wherein the oxidation state of Cu is between about +1 and about +3, the oxidation state of Mn is between about +2 and about +7, x is equal to about 3−y, y is less than about 3, z is calculated or experimentally determined, using means known in the art, based on the values of x and y, as well as the oxidation states of Mn and Cu, and nH2O represents the surface and structural water present in the mixed oxide material. The present invention further relates to an electrochemical cell comprising an anode, a cathode, and a separator disposed between the anode and cathode, and an electrolyte in fluid communication with the anode, the cathode and the separator, wherein the cathode comprises the noted cathode material. The present invention still further relates to such an active cathode material, or an alternative cathode material, wherein the copper-manganese mixed oxide comprises a defect spinel-type structure, which is also suitable for use as a cathode component of an alkaline electrochemical cell.

The invention discloses a simulated testing device for the hydraulic fracture of a concrete member under different stress conditions, relating to the technical field of testing devices for the hydraulic fractures of concrete members. The simulated testing device comprises a cuboid die with an opening on one surface, wherein the die is filled with concrete to obtain the concrete member, the concrete member is internally provided with eight high-pressure-resistant water elbows in advance, and the tail end of each high-pressure-resistant water elbow is provided with a water pressure sensor connector; a steel sheet is pulled out of the concrete member to prefabricate an initial crack, a groove defined within a certain range is polished at the periphery of the crack, a strain gauge and a clip extensometer are arranged, and the groove is filled with waterproof insulating cement and ground to be flush; and the member is provided with a water seal steel sheet on which a water inlet and an exhaust port with a sealing cap are arranged. Based on the simulated testing device, the testing research for the hydraulic fracture of the concrete member can be realized under a different stress condition and different initial crack inclination angle condition combined condition.

The invention comprises an inflatable and expandable slide and pool construction that permits the user to selectively change the structure of the slide by expanding it to include a pool or basin at the end of the slide. The pool portion may be releasably attached to the front of the slide and may include inflatable sides and an inflatable end bumper. If the slide is a continuous airflow inflatable, the sides of the pool portion may be inflated by the air blower when the sides are released from their attachment to the end of the slide.

The invention discloses a new energy automobile electronic water pump and a control system and method. An upper shell, a middle shell and a lower shell which are detachable in a sealed manner are arranged. The upper shell and the middle shell are internally provided with ceramic rotor center shafts, a fixed cover cap and an upper shaft seat are arranged at the upper end, the lower end is fixed to the middle shell, a rotating ceramic shaft sleeve is arranged on the periphery, and the ceramic shaft sleeve, an impeller body and an impeller cover are manufactured into a whole; a rotor is formed by a ferrite magnet and a steel plate which are integrated, and is fixed to the lower plane of the impeller body; a stator and a control part are arranged in the middle shell and the lower shell; a motor driver formed by an MOS tube, a single-chip microcomputer, a fault detection part, a communication module connected with an automobile water pump controller and the like are arranged; and a starting and malfunction interrupt service and sine wave control method is provided; and the problems that a brush motor is high in energy consumption and low in efficiency are solved, structural water prevention is good, the pump is small and light and convenient to maintain, due to the cover cap, the water noise is low, and sine waves are used for driving. During running, no torque pulsation exists, the noise is low, the control method is simple and accurate, faults of temperature, voltage, current, idling, rotation blockage and the like are monitored and overcome in real time, and the aim that the water pump can still run at the higher temperature is achieved.

The invention provides an aerogel composite heat insulation plate. The aerogel composite heat insulation plate is prepared from the following raw materials in parts by mass: 100 parts of ceramic fiber, 3 to 8 parts of an organic bonding agent, 5 to 15 parts of an inorganic bonding agent, 10 to 30 parts of aerogel powder and 0 to 15 parts of an infrared light shielding agent, wherein the aerogel powder is prepared from 5 weight percent to 15 weight percent of structural water. According to the aerogel composite heat insulation plate provided by the invention, the aerogel containing the partialstructural water is used as a filling material of a ceramic fiber plate and part of micron-pore structure in the ceramic fiber plate is changed into a nano-pore and micron-pore composite structure sothat the convection and conduction heat transfer of the ceramic fiber plate are reduced; the infrared light shielding agent is selectively added and is used as an infrared non-transparent substance inthe ceramic fiber plate, so that the radiation heat transfer of the ceramic fiber plate at high temperature is reduced.

To provide electrolytic manganese dioxide to be used as a cathode active material for an alkali-manganese dry cell, which has a high alkali potential and is provided with a high reactivity and packing efficiency as a cathode for the cell. Electrolytic manganese dioxide having an alkali potential of at least 310 mV, FWHM of at least 2.2 DEG and at most 3.0 DEG , and a (110) / (021) peak intensity ratio in the X-ray diffraction peaks of at least 0.50 and at most 0.80, is used. The (110) interplanar spacing of the electrolytic manganese dioxide is preferably at least 4.00 AA and at most 4.06 AA. Particularly when the alkali potential is at least 350 mV and at most 400 mV, the molar ratio of structural water contained (H 2 O / MnO 2 ) is preferably at least 0.20. It can be produced by electrolysis at a low sulfuric acid concentration at the initial stage of the electrolysis and at a high sulfuric acid concentration at a later stage. It is preferred to further carry out sulfuric acid treatment.

Discloses a two stage filtration system for treatment of fibrous vegetable matter, particularly oilseed materials such as oil-extracted canola flakes to separate the low valued fibrous material from soluble material and small non-structural water-insoluble material of higher value. The filtration system receives a vegetable matter slurry and passes the slurry through first stage filter which is an impeller type filter that operates to separate the slurry into a filtrate and a moist retentate. The moist retentate is further filter in a second compression filtration stage or a centrifuge to remove additional water. Small non-structural insoluble matter is removed in the filtrate.

The invention discloses a coal-series kaolin gas suspension calcination method comprising the following steps of: firstly, crushing and grinding mineral raw materials of coal-series kaolin, feeding the mineral raw materials into a spray drying tower for dehydration, and feeding the materials subjected to spray drying into a furnace external heat exchange decomposition system for treatment; feeding the treated materials into a gas suspension calciner for rapid calcination in an intensive fluidization condition, wherein the fluidizing velocity is 8-40m / s, and the calcination temperature is controlled within 600-1400 DEG C according to the requirements of products; carrying out gas-solid separation on the rapidly calcined materials under the action of whirlwind, then, controlling the proportions of materials returned to the gas suspension calciner through a loop seal, and adjusting the total standing time of the materials in the gas suspension calciner to control the calcination quality of a product; and further carrying out whitening treatment on the calcined materials through a furnace-external reburning heat exchange system, and then, feeding the materials into a product cabin. The method is simple in process, high in heat efficiency, good gas-solid heat and mass transfer and narrow in calcination temperature fluctuation range; and the product is stable and uniform in quality, smoke waste heat can be sufficiently utilized, high handling capacity is realized, and carbon impurities and structural water in the coal-series kaolin can be rapidly removed.

The invention relates to a horizontal seepage test unit. The horizontal seepage test unit comprises a water chamber, a seepage generating device and a support, wherein the seepage generating device is arranged above the support; the water chamber is arranged at one side of the seepage generating device and the support; the seepage generating device is of a box body structure; a connection hole is formed in one side, close to the seepage generating device, of the water chamber, a water chamber connection hole is formed in one end, close to the water chamber, of the seepage generating device, and the water chamber connection hole of the seepage generating device is connected and communicated with the connection hole of the water chamber; the seepage generating device is sequentially provided with a water storage room, a water insulation room, a soil heaping slot and a water collecting tank from the near to the distant according to the distance from the water chamber. The horizontal seepage test unit provided by the invention has the advantages that layered heaping condition of a rock-soil dielectric body in a natural world can be effectively simulated, horizontal osmotic coefficient of the rock-soil dielectric body can be accurately measured, and the horizontal seepage test unit can test horizontal seepage by adopting multiple methods.

The invention discloses a purification method of high-purity quartz sand with SiO2 purity more than or equal to 99.99%, and the purification method comprises the following steps: (1) flotation-multiple flotation separation to remove feldspar particles and layered aluminosilicate mineral particle impurities; (2) high temperature activation and water quenching cooling; (3) high-temperature alkalinewashing to remove impurities; (4) high-temperature oxidation pickling to remove impurities; (5) ultrasonic washing for many times, dewatering and drying; and (6) high-temperature heating and chlorination to remove impurities. The purification method has the beneficial effects that the high-purity quartz sand with SiO2 purity more than or equal to 99.99% is obtained after raw material quartz sand with the purity of 99.5% is purified, the economic benefits of enterprises are obviously improved; a new method to remove gas, liquid and solid inclusions in quartz particles is explored; crystal transformation temperature of the quartz particles is increased to 1600 DEG C, so that structural water (hydroxyl groups), gas inclusions and liquid inclusions in crystal lattices quickly escape from the crystal lattices, and metal impurities are fully exposed, the metal impurities are removed by high-temperature chlorination, and the purity of the product is improved.

The invention discloses a dual-body water surface carrier and an automatic control system. The water surface carrier consists of two ship-shaped bodies, namely, a left ship-shaped body and a right ship-shaped body which are arranged in a bilaterally symmetrical way, and a deck connected between the left ship-shaped body and the right ship-shaped body, wherein thrusters driven by electric power, namely, a left thruster and a right thruster are arranged on the outer sides of the back parts of the left and right ship-shaped bodies respectively; a battery cabin is formed below the deck; an electric control box is arranged on the deck; the thrusters adopt propellers; the thrusters are arranged on the outer side edges of the ship boards of the ship-shaped bodies. The control system of the water surface carrier mainly comprises a CPU (Central Processing Unit), a wireless communication module, a GPS (Global Positioning System) module, a radio compass, a signal output module and a direct-current motor control module.

The invention discloses a method for solving the gas expansion of a lithium-manganese dioxide flexible packaging battery and a cathode material of the lithium-manganese dioxide flexible packaging battery. In the invention, acrylic acid cross-linking resin which occupies 0.5-5% of the weight of a cathode is added into the battery cathode material of the lithium-manganese dioxide battery. Because the acrylic acid cross-linking resin as a strong water-adsorption material is added into the cathode material of the traditional lithium-manganese dioxide battery by the invention and can effectively adsorb trace free water or structural water existing in the cathode material of the lithium-manganese dioxide battery, the water in the cathode material of the lithium-manganese dioxide battery can not be released out to react with lithium and electrolyte so as to generate a gas product, thereby effectively solving the problem that the size of the battery can be changed to generate gas expansion when gas is generated inside the traditional plastic film flexible packaging battery. Meanwhile, the electric performance of the battery is not changed after the acrylic acid cross-linking resin is added, and the storage performance of the battery is enhanced.

The invention discloses a preparation method of ceramic slurry with high solid content and good mobility. First weighing certain quality alumina powder and putting in boiling flask with temperature control and stirring device; then weighing polyacrylic acid dispersant according 0.8 to 1.8% of dry powder quality, weighing deionized water according to the solid-phase volume percentage of actual needed prepared slurry and preparing dispersant water solution, adjusting the pH to 2.5~6.5, heating to 60 ~ 95 degree C; finally, mixing the dispersant water solution and the powder body, putting it in ultrasonic instrument 5 ~ 10 mins at constant temperature 60-95DEG C, adsorbing 2~12 hours in the constant temperature stirring status after ultrasound action then preparing the slurry product. The invention reduces the structural water of solid particles surface of slurry through heating, increases the free water amount in slurry, reduces the slurry viscosity, increases the chain segment density of dispersant through temperature, increases the repelling force position energy between particles to making the slurry keep uniform and stable performance while the flowability is increased.

The invention discloses a biological suspended carrier, namely a double-chamber suspended biological carrier. Compared with a normal carrier, the double-chamber carrier is additionally provided with a region of a different environment so as to form double chambers. By adjusting a carrier material, a surface functional group, an indoor functional carrier and the like, and by designing a carrier chamber structure, a flow form, flow rate and the like, two superior flora habitats with different purifying functions are formed and bi-functional synchronous treatment which can be manually designed and technologically adjusted and optimized is realized in a biological water treatment process. Besides, the characteristics that the biomass is large and the biologic activity is high and the like after the suspended carrier is subjected to film formation are fully utilized by the double-chamber suspended biological carrier, so that the efficiency and the applicability of a biological treatment process are greatly improved.

The invention discloses a high temperature resistant microwave belt drying kiln, which comprises a belt conveyor (1), a microwave suppressor, a microwave cavity (3), an exhaust system (4), a microwave energy feeding system (5), a temperature measuring System (6) and control system (7), described belt conveyor (1) is made up of conveyer belt, stainless steel mesh belt (10), shaft (11), idler roller (12) and driving device (13), The conveyor belt is a ceramic fiber cloth conveyor belt (9) with a thickness greater than 20mm, the stainless steel mesh belt (10) is in good electrical contact with the drive device (13) and is well grounded, and the idler roller ( 12) The material is ceramic material, the material of the shaft (11) is stainless steel, the shaft (11) is in good contact with the cavity of the microwave oven (3) and can conduct electricity. The invention is a high-temperature-resistant microwave belt drying kiln that can meet the requirements of dematerialized crystallization water or structural water. It can withstand high temperatures > 500 degrees Celsius, has high equipment stability, long service life and simple structure, and can be widely used in the drying of materials. Dry dehydration, including free dehydration and structural dehydration.

The invention discloses a filter structure and a water purifying apparatus. The filter structure comprises: a housing body formed in a cylindrical shape to have a first accommodating space and having an upper opening portion; a housing cap coupled to the upper opening portion of the housing body by a portion thereof being formed in a cylindrical shape to have a second accommodating space, wherein a coupling projection and an upper opening portion are formed on an outer circumferential surface thereof, and a housing fastening portion is formed on an inner circumferential surface thereof; a filtering member having a cylindrical shape accommodated in the first accommodating space; and an upper supporter coupled to an upper portion of the filtering member and an inner surface of the housing cap respectively, and accommodated in the second accommodating space.

The invention discloses gypsum marble and its preparation method. The gypsum marble is composed of a calcium sulfate hemihydrate, dispersible fibers, a modifier, colored powder and clear water in a weight ratio of 100:3.0-5.5:0.5-1.8:0.03-7.0:18.63. With a reaction mechanism of hydrating the calcium sulfate hemihydrate into a calcium sulfate dihydrate by the above materials, the preparation method consists of powder metering, powder mixing, continuous semi-wet stirring, compression moulding, section cutting and polishing, as well as surface treatment. And the technical conditions that the moulding water is hydration structural water and the compression time is the hydration time can be realized. The microstructure of the marble crystal is in a compact plate structure. Comparing favorably with natural stones in terms of macroscopic physical and mechanical properties, the gypsum marble of the invention has substantially better product, production process condition and environment coordination than natural facing stones, cement-based and resin-based artificial stones.

The invention provides a steel structure water-based fireproof coating. The water-based fireproof coating comprises the following components in parts by weight: 500-800 parts of inorganic powder; 4-10parts by weight of inorganic fiber; 300-500 parts by weight of an inorganic binder; 20-50 parts by weight of an organic binder; 90-110 parts by weight of an organic expanding agent; 1-2 parts by weight of a wetting agent; 2-3 parts by weight of a dispersant; 8-13 parts by weight of a humectant; 4-6 parts by weight of a tackifier and 1-2 parts by weight of a defoaming agent; wherein the inorganicpowder comprises expanded perlite and ultrafine alumina powder; wherein the organic expanding agent is prepared from melamine phosphate and dipentaerythritol. The inorganic-organic composite steel structure fireproof coating is high in strength and good in surface appearance. Due to the fact that the inorganic binding agent capable of being used for binding metal materials is used, the binding strength is high, and falling is not prone to happening under instantaneous high temperature. The fireproof performance of the inorganic material is added with the high-temperature expansion characteristic of the organic expansion material, so that the fireproof performance of the coating is excellent.

A method of providing a reliable predictive model of the mitigation scope and costs of water damage events to structures is presented. The method takes into account FEMA guidelines, industry standards, local pricing variations, and data regarding damage to the particular structure.

Disclosed is a system and method for the demolition of vertical concrete structures. A moveable concrete cutting vehicle includes a carriage adapted to move along the top surface of the vertical concrete structure that is to be demolished. The carriage carries a cutting assembly that is moveable in at least two directions, such as a vertical direction and a slightly downwardly angled circumferential direction, which cutting assembly is positioned to make cuts through the entire width of the concrete wall of the vertical concrete structure. After a series of cuts have been performed, the carriage may be moved along the top, horizontal rim of the vertical concrete structure, and separable concrete blocks that have been formed in the previously processed region may be tipped off of the remaining vertical concrete structure to fall to the ground. Such process may continue with the carriage carrying the concrete cutting vehicle progressively downward and around the vertical concrete structure, allowing small, block-shaped sections of the concrete structure to be tipped into the concrete structure until the entire concrete structure has been demolished.

The invention discloses a repair method of a structural water damage of an asphalt pavement with a cement-cured base layer, belonging to the field of maintenance and repair of road works. The method comprises the following repair steps: a) milling damaged surface layer and base layer structure and arranging transverse drainpipe; b) arranging lower sealing layer; and c) paving macroporous asphalt mixture layer, dense-graded asphalt mixture surface layer, etc. Compared with prior art, the method provided by the invention is environmentally friendly and highly efficient, can maintain a long-term and continuous use of the pavement structure, and has a good application value.

The invention relates to a water storage tank type steel structural dam, which comprises a truss structural dam body and a steel structural water retaining panel, wherein the lower end of the truss structural dam body is fixed on an inner concrete bearing platform of a riverbed, the steel structural water retaining panel is fixed on the water retaining surface of the truss structural dam body, a matched water tank is fixedly arranged in each cell encircled by the truss structure, the water tanks are communicated with one another, and the water tank at the upper end of the truss structure is provided with a water inlet and a water pump. The water storage tank type steel structural dam has simple, stable and reliable structure and simultaneously has the advantages of a steel structural dam and a gravity dam; and the lower end and two sides of the truss of the water storage tank type steel structural dam are easily fixed with the bearing platform and the side slope, so that the water storage tank type steel structural dam is easy in construction and maintenance. The water tanks can be industrially produced and constructed on site, so the construction efficiency is high. The dam has long service life and low cost, and is very suitable for popularization and implementation.

The invention relates to an open caisson foundation and a construction method. The open caisson foundation comprises a shaft and vertically-distributed concrete pile foundations. The bottom of the shaft is sealed through bottom sealing concrete, and the top of the bottom sealing concrete is provided with a bearing table fixedly connected with the inner wall of the shaft. The concrete pile foundations are integrally connected with the bearing table after penetrating the bottom sealing concrete. The bottom sealing concrete is provided with holes for the concrete pile foundations to penetrate, and the concrete pile foundations are in clearance fit with the corresponding holes. The open caisson foundation is clear in stress, the concrete pile foundations arranged at the bottom of an open caisson are used for solving the problem that the foundation bearing force is insufficient, the open caisson and the concrete pile foundations have the beneficial effect of mutual supplementing, all foundation dead loads are transmitted to a foundation, the open caisson bottom frictional resistance action is brought into play to the maximum degree, and the structure horizontal thrust exerted on the tops of the concrete pile foundations is obviously reduced.

The invention provides a thermally-stable emulsion of an antigen as well as a preparation method and an application of the thermally-stable emulsion. The thermally-stable emulsion of the antigen comprises a water phase, an oil phase and inorganic particles combined with the antigen; the oil phase is wrapped by the water phase; the inorganic particles combined with the antigen are dispersed on an interface of the water phase and the oil phase; and the antigen and the inorganic particles are combined in an electrostatic adsorption way. By using the emulsion provided by the invention, the thermalstability of the antigen of an organism can be remarkably improved; structural water molecules in a mineral phase are tightly connected to the peripheries of mineralized proteins, so that the hydrogen bond exchange rate of protein molecules and water molecules in an external environment is reduced, the destruction of a thermal motion process to the structures of the proteins is reduced, the stability of a vaccine in a high-temperature environment is improved, the valid period of vaccine storage is prolonged, and the vaccine can be stored at 25 DEG C for three weeks or longer; in addition, theemulsion can also be applied as a vaccine adjuvant, a drug delivery carrier or a controlled-release carrier, a surfactant is prevented from being used, and the poisonousness to human bodies and environment pollution can be reduced.

The invention discloses a deoxidizing assembly, a storage device and a refrigerator, and relates to the technical field of refrigeration storage equipment. The deoxidizing assembly comprises a deoxidizing module and a water tank, a liquid storage cavity used for storing electrolyte is formed in the deoxidizing module in a limiting mode, the deoxidizing module is provided with an opening communicating with the liquid storage cavity, and the opening is connected with a cover plate; and the water tank is arranged on the outer side of the deoxidizing module, the water tank and the deoxidizing module are of an integrated structure, an accommodating cavity is defined in the water tank, and the accommodating cavity communicates with the liquid storage cavity. The water tank communicating with the liquid storage cavity of the deoxidizing module is additionally arranged, the electrolyte in the water tank can be supplemented into the liquid storage cavity, and the defect that water needs to be added to the deoxidizing module at regular intervals is overcome; and the water tank and the deoxidizing module are of an integrated structure, and the accommodating cavity directly communicates with the liquid storage cavity, so that pipeline connection between the water tank and the deoxidizing module can be reduced, the production efficiency is improved, the leakage risk caused by pipeline connection can be reduced, and the product reliability is improved.