48results about How to "Effective leakage" patented technology

The invention discloses a rust removal device of an artware. The rust removal device comprises a box body; a first partition board and a second partition board are arranged inside the box body correspondingly, the outer side faces of the first partition board and the second partition board are fixedly connected with the inner side wall of the box body correspondingly, the left side and the right side of the inner bottom wall of the box body are fixedly connected with first driving motors correspondingly, and rotating rods are fixedly connected to the top ends of the output shafts of the two first driving motors correspondingly, and the top ends of the two rotating rods penetrate through and extend to the upper part of the first partition board. According to the device, an acid washing liquid is used for reacting with rusty chips on the artware, so that the rust chips on the artware can fall off conveniently, and cleaning water can be used for washing the rust chips and the acid washingliquid on the artware; and two electromagnetic valves are controlled, so that the washing water is closed when the acid washing liquid is needed, and the acid washing liquid is closed when the washing water is used; and the purposes of economical using the acid washing liquid and the washing water are effectively achieved.

The invention relates to a novel environment-friendly building brick and a preparation method, and belongs to the technical field of waste disposal. The building brick comprises silicate cement, gypsum, a GCY activating agent, an MSZ168-C additive, coarse slag, fine slag and magnetized water. The preparation method comprises steps as follows: firstly, slag discharged by a slag waste incineration power plant is subjected to a series of pretreatment of hydrolytic tank washing, crushing screening, magnetic separation, flotation separation and screening of 3-15 cm particles, the slag and the MSZ168-C additive are added into an agitation tank by using a forced mixer according to a set proportion, the GCY activating agent is diluted in the magnetized water magnetized by a magnetizer, the mixture and cement are jointly added for agitation, and maintenance is performed after compression molding, so that a finished product is obtained. According to the novel environment-friendly building brick and the preparation method, the slag is prepared into a mold brick without firing, the preparation time is shortened, the burning energy consumption is reduced, emission of harmful gas in a burning process is avoided, and the environment protection effect is remarkable; and the manufactured brick is high in strength, light in weight and good in thermal insulation property, and the requirement for light mass, energy conservation and thermal insulation of wall materials of a modern building can be met.

The invention discloses a microstructure optical fiber with a large mode area. An optical fiber cladding comprises a host material (1) and a two-layer hole; and a fiber core is an area that is surrounded by the two-layer hole. An external layer of the two-layer hole is composed of 12 third type holes (4), wherein centers of the holes are connected into a regular hexagon shape; and an inner layer of the two-layer hole is formed by three adjacent first type holes (2) and three adjacent second type holes (3), wherein the centers of the holes are connected into a regular hexagon shape. Besides, hole cycle lambdas of the two-layer hole are equal and simultaneously, the following relations are satisfied: d2 is larger than d3; and the d2 is larger than d4. According to the invention, holes with different diameters are employed by the optical fiber, so that a constraint is formed on a fiber core mode; and holes with large sizes are utilized to prevent light leakage during bending of the fiber; moreover, holes with small sizes are utilized to form an effective constraint on an optical fiber ground mode; and meanwhile, a high order mode is removed; therefore, an objective of realization of loss transmission with a single mode, a large mode field and low bending is achieved.

The invention discloses a double-layer crucible for growing silicon single crystals by a directional solidification method, which comprises an outer crucible and an inner crucible nested into the outer crucible, wherein the inner crucible comprises an inner crucible main body and an inner crucible bottom; the outer crucible comprises an outer crucible main body and an outer crucible bottom; the inner crucible bottom is provided with a seed crystal sleeve for placing seed crystals; the outer crucible bottom is provided with an anti-leakage cavity; an anti-leakage agent is placed in the anti-leakage cavity; and the internal cavity of the inner crucible main body is communicated with the anti-leakage cavity through the internal cavity of the seed crystal sleeve. The anti-leakage agent is not reacted with silicon and is immiscible with the silicon, the density of the anti-leakage agent is more than 2.4g/cm<3>, and the melting temperature of the anti-leakage agent is less than 1,410 DEG C. The double-layer crucible can effectively solve the seed crystal placing problem, realizes silicon single crystal growth by the directional solidification method, meanwhile can furthest prevent molten silicon from leaking from the seed crystal sleeve, has low cost and a simple structure, and is easy to process.

The invention relates to a powder sintering device. The powder sintering device comprises a supporting unit, a driving unit, a sintering unit and a reaction unit. The driving unit is arranged on the supporting unit; the reaction unit is arranged inside the sintering unit, can be heated through the sintering unit, is fixed in the driving unit, and can be driven by the driving unit to rotate. In addition, the invention further provides a method for preparing composite materials through the powder sintering device.

The invention relates to a pair of foot bath shoes. The foot bath shoes comprise soles, vamps and shoe cylinders, wherein the soles, the vamps and the shoe cylinders all comprise heat insulating layers and impervious layers; the impervious layers are arranged on the internal sides of the heat insulating layers; and the soles, the vamps and the shoe cylinders form foot bath containers capable of accommodating hot water. As the foot bath containers are designed in the form of shoes, people can randomly change positions and freely move when wearing the foot bath shoes, so as to promote blood circulation and metabolism; venous congestions of lower limbs can be effectively prevented; people can work or have amusements in the foot bath process; moreover, as the heat insulating layers are arranged, the heat insulating time can be prolonged and a proper water temperature kept in the whole foot bath process is guaranteed; and during using foot bath medicines, the usage of the medicines can be reduced to enlarge the contact area between medicine molecules and the skin, so that the foot bath effect is enhanced.

The invention relates to a Roots blower wallboard. The wallboard is provided with a shaft hole; a rotating shaft is inserted in the shaft hole; an outer sleeve is arranged in the shaft hole; an inner sleeve is arranged on the shaft section of the rotating shaft, which is positioned in the shaft hole; a skeleton oil seal and/or a labyrinth seal is arranged between the inner sleeve and the outer sleeve; the skeleton oil seal sleeves the outer surface of the inner sleeve; an oil seal seat is arranged between the outer surface of the skeleton oil seal and the inner surface of the outer sleeve; the wallboard is provided with a cooling jacket filled with circulating water or a cooling cavity is formed in the wallboard. The rotating shaft is subjected to double sealing by the skeleton oil seal and the labyrinth seal and gas can be effectively prevented from being leaked from a fit clearance of the rotating shaft and the shaft hole, so that a Roots blower can implement conveying of dangerous gas.

A novel high-strength dustproof lime desiccant packaging film and a production method thereof belong to the technical field of packaging films. The novel high-strength dustproof lime desiccant packaging film is composed of PET (polyethylene terephthalate) spun-bonded non-woven fabric, a milk white PE (polyethylene) breathable film and a perforated breathable PE film, which are compounded through AD adhesives. According to the novel high-strength dustproof lime desiccant packaging film, flexible plate water-based ink is applied to printing texts and patterns onto the PET spun-bonded non-woven fabric to ensure no surface fluff and environmental friendliness of printing; the components of the milk white PE breathable film and the perforated breathable PE film are improved, before dry compounding is performed, corona treatment under specific conditions, improvement of specific-structured coating areas of anilox rollers and improvement of structures and compounding conditions of dry compounding coating areas are implemented, so that, under the premise of improving air permeability, the peeling strength, the mechanical strength and particularly the heat-sealing strength can be improved.

The invention discloses a low-alcoholicity Baijiu filtering and aging accelerating apparatus, wherein a stirring screw propeller is arranged in a mixing barrel, the mixing barrel is connected to a water sucking pump by a sucking liquor inlet pipeline, the bottom end of the water sucking pump is sleeved on a liquor loading barrel, a first sealing ring is sleeved on the connecting position of the liquor loading barrel and the water sucking pump, and is locked by a fastening bolt, a circulation control valve is arranged on one side of the liquor loading barrel, a circulation pipeline is arrangedon the other side of the liquor loading barrel, and is provided with a circulation pipe control valve, the liquor loading barrel is connected to a clarifying barrel through the circulation pipeline, the bottom end of the clarifying barrel is provided with a deodorization bag, a clarifying pipeline is arranged on one side of the clarifying barrel, is connected to the clarifying barrel, and is provided with a flow rate control valve, the other end of the clarifying pipeline is connected to a filtering and aging accelerating barrel, a filtering membrane is arranged in the filtering and aging accelerating barrel, and the pore size of the filtering member is 0.2-0.25 mm. According to the present invention, the structural design is simple and reasonable, the spicy and rough taste of the new liquor can be removed, the clarity of the liquor can be improved, the impurities in the liquor can be filtered out, and the filtering effect is excellent.

The invention discloses an anti-electrostatic oil-corrosion-resistant type polyester core conveyer belt which is characterized by consisting of the following components in parts by weight: 30-35 parts of modified chloroprene rubber, 20-25 parts of nitrile rubber containing 30% propylene, 8-10 parts of a composite flame retardant, 0.6-0.8 part of potassium aliphatate, 2-3 parts of zinc oxide, 1-2 parts of stearic acid, 0.7-0.9 part of tert-butyl peroxybenzoate, 1.5-1.8 parts of an accelerant TMTD, 10-12 parts of polyester canvas, 15-16 parts of carbon black and 3-4 parts of sulfur. The anti-electrostatic oil-corrosion-resistant type polyester core conveyer belt disclosed by the invention is high in strength, remarkably high in oil corrosion resistance and electrostatic resistance and can be widely applied to industries such as the coal industry, the petroleum industry and the paper-making industry as the static electricity generated when the conveyer belt is used can be effectively leaked off, and the damage of fire hazard can be effectively reduced due to addition of the composite flame retardant.

The invention discloses a drying device for grain processing. The drying device for grain processing comprises a device shell, wherein a feeding hole is formed in the outer surface of the upper end ofthe device shell, a heating element is arranged in the device shell, a size-adjustable leaking hole is formed in the lower end of the heating element, and a sliding block mechanism is arranged on oneside of the size-adjustable leaking hole; a fixed foot and a downward leakage channel are arranged on the outer surface of the lower end of the device shell, the downward leakage channel is located on one side of the fixed foot, a motor is arranged on the other side of the downward leakage channel, the size-adjustable leaking hole comprises fixation blocks, telescopic frames, electric energy output blocks, movable blocks, a first hole plate and a second hole plate, and the fixation blocks are located on the outer surfaces of one ends of the telescopic frames. According to the drying device for grain processing, by means of the arranged mechanisms, grain can be dried rapidly and evenly, internal impurities are removed, and a better use prospect is brought.

A novel enthalpy increasing pipe integrated machining method comprises the following steps of length cutting, primary chamfering machining, sealing groove machining, cutting-off treatment, secondary chamfering machining, primary pipe expanding machining, secondary pipe expanding machining, whole pipe forming, electroplating treatment, flaring machining and secondary profiling treatment. Accordingto the machining mode, a copper-plated pipe does not need to be welded, the cost is lower, leakage is effectively avoided, the perpendicularity is better than that of a welded product, the anti-pressure capacity is higher than that of the copper pipe, and the problem that a compressor is damaged due to burr suction is solved.

The invention relates to a down-like fabric garment capable of isolating body odor. The garment comprises a garment body (1), and isolators (2) made of elastic flexible plastic are arranged on the armpit parts of the garment body (1). The garment body (1) is made of fabric, the fabric is composed of a cold-proof surface layer and a down-like insulation bottom layer, the down-like insulation bottom layer is composed of an insulation top layer, down-like interlayers and an insulation bottom layer, each down-like interlayer is arranged between the insulation top layer and the insulation bottom layer, and each down-like interlayer is provided with down-like manmade insulation fibers. The garment can effectively isolate sweat of the armpits and prevent the sweat from escaping so as to achieve the effect of isolating odor. The garment has the advantages of being good in elasticity, soft in hand feeling, more comfortable to wear and more fashionable in appearance.