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50results about How to "Solve the moisture problem" patented technology

Process for constructing metal roof of building with super-large space

InactiveCN103291011AMeet waterproofMeet the requirements of sound absorption performanceRoof covering insulationsManganeseEngineering
The invention discloses a process for constructing a metal roof of a building with super-large space. The process includes steps of 1), laying a steel lining plate on the lowermost layer of a roof structure; 2), laying a non-woven dustproof layer on the lining plate; 3), laying a glass wool sound absorbing layer on the non-woven dustproof layer and compacting the glass wool sound absorbing layer; 4), laying a vapor barrier on the glass wool sound absorbing layer; 5), laying lower-layer glass wool on the vapor barrier and compacting the lower-layer glass wool; 6), laying upper-layer heat-insulation rock wool on the lower-layer glass wool and compacting the upper-layer heat-insulation rock wool; 7), mounting support purline; 8), laying supporting steel plates; 9), laying a gypsum fiber board; 10), laying a waterproof vapor-permeable layer on the gypsum fiber board; 11), laying an ultrafine glass cotton anti-noise layer on the waterproof vapor-permeable layer; 12), mounting an aluminum-magnesium-manganese alloy roof panel on the uppermost layer of the roof structure. The process for constructing the metal roof has the advantages that a waterproof effect of the metal roof is improved, water seepage at pierced positions is prevented, outdoor noise is prevented from being transmitted into a room, and heat-insulation, damp-proof and vapor-permeable effects of the metal roof are improved.
Owner:ZHONGTIAN CONSTR GROUP

Metal roof of building with super-large space

InactiveCN103291015AMeet waterproofDoes not hinder ventilationBuild-up roofsRoof covering insulationsFiberManganese
The invention discloses a metal roof of a building with super-large space. The metal roof is characterized in that an ultrafine glass cotton anti-noise layer is filled between an aluminum-magnesium-manganese alloy roof panel and a gypsum fiber board, support purline is arranged at the bottom of supporting steel plates and supports the supporting steel plates, a non-woven dustproof layer is laid on a lining plate, a glass wool sound absorbing layer is arranged on the non-woven dustproof layer, heat-insulation cotton is filled between the glass wool sound absorbing layer and the support purline, a vapor barrier is arranged between the heat-insulation cotton and the glass wool sound absorbing layer, and a waterproof vapor-permeable layer is arranged between the ultrafine glass cotton anti-noise layer and the gypsum fiber board; the waterproof vapor-permeable layer is compressed by aluminum alloy supports, the aluminum alloy supports are fixed onto the supporting steel plates under the aluminum alloy supports by self-tapping screws, heat-insulation cushions are laid under the bottom surfaces of the aluminum alloy supports, and butyl rubber tapes are arranged among the heat-insulation cushions and the waterproof vapor-permeable layer. The metal roof has the advantages that a waterproof effect of the metal roof is improved, water seepage at pierced positions is prevented, outdoor noise is prevented from being transmitted into a room, and heat-insulation, damp-proof and vapor-permeable effects of the metal roof are improved.
Owner:ZHONGTIAN CONSTR GROUP

Far infrared insect-proof and waterproof refreshing fruit packaging material produced by utilizing yellow soil and manufacturing method thereof

The invention discloses a method for manufacturing a fruit packaging material which is insect-proof and can prevent water seepage, promote fruit growth, improve health of fruit nutrition and is environmentally-friendly and the fruit packaging material prepared by using the method. The method comprises the following steps: uniformly mixing and stirring 10-29wt% of yellow soil, 10-39wt% of edible corn starch, 1-10wt% of illite and 50-69wt% of water, wherein the total weight percent is 100%; heating and boiling for 10-20 minutes at the temperature of 100-120 DEG C to get a yellow soil mixed solution; and applying a coating device to coat 10-20g of the yellow soil mixed solution per square meter on one side of raw paper and coat waterproof glue on the other side, and drying for getting the fruit packaging material. A bag manufactured by using the fruit packaging material has the effects of protecting fruits, preventing pests and birds from harming the fruits, promoting the fruit growth and improving the fruit quality. By using a packaging box manufactured by the fruit packaging material for storing the fruits, the shelf life can be prolonged, the water volatilization can be prevented, and the sweetness can be maintained.
Owner:叶均

Packaging box for clothing transportation

The invention provides a packaging box for clothing transportation. The packaging box comprises a box body, a box cover is hinged to the left side of the box body through a fixing bolt, an extending cover is arranged inside the box cover, a left moving chamber and a right moving chamber are fixedly installed on the left side and the right side of the box cover correspondingly, a sliding rail is fixedly installed on the right side of the inner wall of the right moving chamber, and the right side of the extending cover is in sliding connection with the sliding rail; and the left side of the extending cover extends into the interior of the left moving chamber of the box cover, the left side and the right side of the box body are correspondingly provided with first storage grooves, and an extending box is arranged inside the first storage grooves. According to the packaging box for the clothing transportation, through the arrangement of the extending box in the first storage grooves, the size of the packaging box can be adjusted, a micro motor is controlled to drive a first screw rod to rotate, an adjusting rod is enabled to adjust the height of the extending box, so that the use volume of the packaging box can be expanded conveniently; and when the use volume of the packaging box becomes large, an inner limiting rotating shaft is enabled to be rotated by pushing a telescopic fixing key so as to extend the extending cover.
Owner:湖州亲宝贝进出口有限公司

Compound amoxicillin powder and production process thereof

The invention belongs to the technical field of veterinary drugs and relates to compound amoxicillin powder and a production process thereof. The compound amoxicillin powder comprises the following components in percentage by weight: 15-18 percent of mixed powder with a ratio of 4:1 of amoxicillin to potassium clavulanate, 30-40 percent of mannitol, 0.5-1 percent of superfine silica powder and the balance of glucosum anhydricum. The production process comprises the following steps: controlling the temperature of a production environment to be 25 DEG C or below, controlling the relative humidity to be 20 percent or below, and performing the following operations: (1) respectively grinding mannitol, superfine silica powder and glucosum anhydricum, allowing the powder to pass through a sieve with the granularity of 80 meshes, mixing in a drying mixer at the temperature of 80+/-5 DEG C for 1-2 hours, and naturally cooling to room temperature; (2) adding the mixed powder with the ratio of 4:1 of amoxicillin to potassium clavulanate into the drying mixer, and continuously mixing for 20-30 minutes; and (3) performing vacuum packaging by using an aluminum foil bag, and packaging by using a plastic aluminum composite bag. According to the invention, auxiliary materials are carefully selected, a relatively stable product is obtained through fewer auxiliary materials with high safety, and the prepared product is high in liquidity, low in moisture content and difficult in moisture absorption, can completely meet pharmacopoeia detection and accords with the national drug administration policy.
Owner:HENAN SOAR VETERINARY PHARMA

Method for efficient color retention, insect prevention and corrosion prevention of plant specimens

ActiveCN112825850AAvoid breakingEasy to observe morphological featuresDead plant preservationPlant specimenCopper sulfate
The invention relates to a method for efficient color retention, insect prevention and corrosion prevention of plant specimens. The method comprises the steps of collecting fresh branches, correcting the specimens, wrapping the specimens with absorbent paper, pressing the specimens with an iron, sterilizing the specimens for a short time by using high-pressure steam, dipping the specimens in stationary liquid and preserving liquid, sealing with mixed molten wax, binding and the like. According to the method, branches and leaves are made into specimens in a split mode; according to the cell permeability and body color differences of the leaves and the branches, a copper sulfate solution with a concentration of 2.8-3.2 wt% is used as the stationary liquid for the branches, sulfurous acid with a concentration of 2.8-3.2 wt% is used as the preserving liquid for the branches, and the branches are soaked in a specimen bottle for preservation; and for leaves, the leaves are soaked in alcohol with a concentration of 14-16% for 3-4 days, then sulfurous acid is added until a concentration is 15% after spots appear on the surfaces of the leaves, then the leaves are soaked for 1-2 days, then the leaves are washed with distilled water and soaked in alcohol with a concentration of 19-22% for hardening and bleaching until spots are eliminated, and the leaves are soaked in a specimen bottle for preservation with a mixed solution containing 1-2% of sulfurous acid and 1-2% of glycerinum as the preserving liquid. The specimens prepared by the method have the characteristics that the color of the specimens is bright, the stereoscopic impression of the specimens is strong, the forms of the specimens are vivid, the morphological characteristics of plants are convenient to observe, and the identification of the plants is not limited by seasons.
Owner:黑龙江省林业科学院伊春分院 +1

Inflation and ignition integrated gas blaster igniter and cracker

The invention discloses an inflation and ignition integrated gas blaster igniter and a cracker. The integrated gas blaster igniter comprises a shell, a filling cavity in the shell and an inflation and ignition head connected to one end of the shell, wherein the inflation and ignition head comprises a plugging base body, an inflation hole, a seal ball valve, a conductive contact and a seal lock screw; the inflation hole penetrates through the plugging base body from top to bottom, a seal necking hole is formed at the lower part of the inflation hole, the seal ball valve is installed above the seal necking hole, the conductive contact penetrates through and is fixedly clamped on the seal ball valve, the lower ball surface of the seal ball valve is a rough surface, an internal threaded hole is formed at the upper part of the inflation hole and is in threaded connection with the seal lock screw, a contact window through which the conductive contact penetrates is formed in the middle of the seal lock screw, and the conductive contact is connected with the heating wire via a lead. The integrated gas blaster igniter and the cracker have the advantages of simple powder charging process, good safety, high mixing uniformity, as well as low manufacturing cost and good sealing property of the inflation and ignition structure.
Owner:郭远军

Storage cabinet with moisture-proof function

The invention discloses a storage cabinet with a moisture-proof function. The storage cabinet comprises a cabinet body, wherein a supporting plate is fixedly connected between the left side wall and the right side wall of an inner cavity of the cabinet body; a vertical plate is fixedly connected to the top of the supporting plate; mounting bins are fixedly mounted at the left and right sides of the bottom of the cabinet body respectively, wherein one ends of the mounting bins penetrate through and extend to the outside of the cabinet body; sliding rails are fixedly mounted on the left side wall and the right side wall of the inner cavities of the two mounting bins respectively; and movable plates are movably mounted in the two mounting bins respectively. According to the storage cabinet with the moisture-proof function, by arranging storage boxes, a moisture-proof agent can be put into the storage boxes, and the bottoms of the storage boxes are provided with fine holes, so that the moisture-proof agent plays an effect; and by arranging a handle on the front surface of each partition plate, a user can conveniently pull the handle to move the corresponding partition plate, so that articles can be taken out or stored, and the storage cabinet can be moved without being limited to a certain position.
Owner:江西育佳电子商务有限公司

Assembly-type lead sealing gas blaster detonator and fracturing device

The invention discloses an assembly-type lead sealing gas blaster detonator and a fracturing device. The assembly-type lead sealing gas blaster detonator comprises a shell, a filling cavity, an ignition mechanism and a gas filling mechanism. A filling cavity is formed in the shell. The shell is connected with the sealing ignition mechanism and the gas filling mechanism. The ignition mechanism comprises an electric heating wire, a guide wire, a guide wire through hole and a sealing base body. The electric heating wire is connected with the guide wire. The guide wire through hole is formed in the axis portion of the sealing base body. The guide wire penetrates through the guide wire through hole through an insulating layer outer coat. An internal thread hole is formed in one end of the guide wire through hole, and an inner sealing rubber ring is installed at the bottom of the internal thread hole. The internal thread hole is matched with a perforation screw, and a perforation hole is formed in the axis of the perforation screw. The guide wire penetrates through the inner sealing rubber ring and the perforation screw. The perforation screw is matched with the internal thread hole to compress the inner sealing rubber ring, so that the guide wire hole is sealed. The assembly-type lead sealing gas blaster detonator and the fracturing device have the advantages that manufacturing cost is low, reaction material mixing uniformity is high, heat release efficiency is high and transportation safety is good.
Owner:郭远军

Protective shell for cable laying

The invention discloses a protective shell for cable laying, and relates to the technical field of cable laying equipment, the protective shell for cable laying comprises a shell body and a support frame, wherein the shell body is of a square structure, the bottom of the shell body is of a conical structure, the left and right sides of the shell body are respectively provided with two end faces, and the support frame is operated by arranging an open groove in the shell body. According to the invention, the supporting frame is arranged to prevent the shell from shaking to influence connection of cables, the sealing plates are arranged at the positions of the open grooves for sealing,and the sealing holes are formed in the first inserting groove and the second inserting groove for moisture prevention and corrosion prevention, and the limiting blocks and the springs are arranged on the supporting frame to achieve the purpose of shaking prevention; and an adjusting bolt is arranged to fasten the cable. The cable terminal protection shell is reasonable in structure, convenient to use and low in manufacturing cost and the like, can effectively prevent moisture and corrosion of the cableterminal and prevent cable connection loosening caused by shaking of the protection shell, and is suitable for various occasions and batch production.
Owner:国网河南省电力公司嵩县供电公司 +1

Tap water pipeline water flow self- power generation device and use method thereof

The invention relates to a tap water pipeline water flow self- power generation device and a use method thereof. The power generation device is arranged on a tap water pipeline behind a water meter; and tap water passes by the measurement water meter and the power generation device to be supplied to users. The tap water pipeline water flow self- power generation device comprises a power generator, an upper magnet cup, an upper magnetic ring, a lower magnet cup, a lower magnetic ring, a power generator base, an impeller, an impeller shaft, an impeller support, an upper radial bearing, a lower radial bearing and an adjusting screw, wherein a power generator shaft is fixedly connected with the upper magnet cup; the upper magnetic ring is axially arranged in the upper magnet cup; the impeller support is fixedly connected with the power generator base; the parts, which correspond to the impeller, of the impeller support are provided with a water inlet and a water outlet; the lower magnet cup is fixedly connected with the impeller shaft; and the upper magnetic ring corresponds to the lower magnetic ring. The tap water pipeline water flow self- power generation device has the advantages that by utilizing the tap water pipeline water flow self- power generation device, power can be continuously provided for the water meter; self-power generation is realized by utilizing a tap water pipeline water flow; and magnetic coupling and noncontact transmission are adopted between the impeller in a pipeline containing water and the power generator outside the pipeline, so that the power generator is isolated from water.
Owner:辽宁鑫洪源科技有限公司

Fluid type igniter for gas blaster, and fracturing device

InactiveCN106595402AImprove reaction efficiencyHigh reaction heat generation temperatureBlasting cartridgesChemical industryElectricityCoupling
The invention discloses a fluid type igniter for a gas blaster, and a fracturing device. The igniter comprises a casing and a filling cavity located in the casing; the casing comprises a first sub-joint, a second sub-joint and a coupling head; the filling cavity comprises a reducing agent filling cavity and an oxidizing agent filling cavity; the reducing agent filling cavity is formed in the first sub-joint, and the oxidizing agent filling cavity is formed in the second sub-joint; two ends of the coupling head are in threaded and sealed connection with one end of the first sub-joint and one end of the second sub-joint or are seamlessly welded at one end of the first sub-joint and one end of the second sub-joint; the other end of the first sub-joint is connected with a liquid filling nozzle, and the other end of the second sub-joint is connected with an inflation mechanism; an isolation thermoplastic piece is mounted in the middle of the coupling head; and an electric heating wire is packaged in the isolation thermoplastic piece and is led out of the casing through a wire. The igniter has the advantages that the manufacturing cost is low, the reaction material mixing uniformity is high, the heat releasing efficiency is high and the transportation safety is good.
Owner:郭远军

Splicing structure for environment-friendly wood floor

InactiveCN110821095ASolve the gapSolve the problem of easy moistureFlooring insulationsMechanical engineeringWood plank
The invention discloses a splicing structure for an environment-friendly wood floor and relates to the technical field of indoor decoration. The splicing structure comprises a wood board body, a softwood core layer and a reinforcing layer are fixedly connected to the interior of the wood board body, the soft wood core layer is located on the reinforcing layer, reinforcing ribs are fixedly connected to the interior of the reinforcing layer, a waterproof layer is fixedly connected to the top of the wood board body, a groove is formed in the middle of one side of the wood board body, fixing grooves are formed in the two sides of the groove, and a damp-proof cavity is formed in the inner bottom wall of the wood board body. According to the splicing structure, through the cooperative arrangement of a sealing pad, a damp-proof pad and the damp-proof cavity, gaps can be reduced to avoid dampness, the problem that after wood boards are spliced, the gaps are large and damping is likely to occur are solved, and the service life of the wood floor is prolonged; through the cooperative arrangement of the soft wood core layer, the reinforcing layer and the reinforcing ribs, the toughness of thewood floor can be increased, and the problem that wood floors are likely to warp up and deform is solved.
Owner:JIANGSU FUHUA NEW MATERIAL TECH CO LTD

Structure and realization method of an anti-suckback self-radiating lamp

The invention relates to a self-heat-dissipating type lamp structure preventing sucking back and an achieving method. An auxiliary insulation conduction oil expansion fuel tank and a wire passing seal locking nut are connected to two screw holes in a screwed mode respectively. A power wire connected with a light source driver is connected with power through the wire passing seal locking nut. An insulation conduction oil expansion rubber piece is fixed into a circle of protrusions with internal threads by a locking external thread locking nut of the insulation conduction oil expansion rubber piece so that a middle hole can be sealed. Electrical light source devices are immerged into insulation conduction oil. Air in a lamp body is emptied so that the interior of a cavity of a shell of a lamp can be in a normal pressure state or in a micro positive pressure state due to environmental temperature change and turning on or off of the light source, the phenomenon of air sucking back caused by aging of a sealing piece of the lamp or the poor structural quality of the shell of the lamp due to manufacturing factors or the difference of the density or the temperature difference is effectively avoided, humidity and accumulated water are prevented from entering the shell of the lamp, the moisture-proof problem generally existing in the sealing type illuminating lamp is solved, the insulation conduction oil can transfer heat to the exterior of the lamp body fast and uniformly, and the heat dissipation problem is solved.
Owner:苏州盛泽科技创业园发展有限公司

Plug-in type gas blaster igniter and cracking device

The invention discloses a plug-in type gas blaster igniter and a cracking device. The plug-in type gas blaster igniter comprises a shell, a filling cavity, an ignition mechanism and an inflation mechanism, the filling cavity is formed in the shell, the shell is connected with and seals the ignition mechanism and the inflation mechanism, the ignition mechanism comprises an electric heating wire, a wire, a wire punched hole, a seal substrate and a plug-in slot, the electric heating wire is connected with the wire, the axial core of the seal substrate is the wire punched hole, the plug-in slot is located in the upper portion of the wire punched hole, a positive pin and a negative pin are installed inside the plug-in slot, a positive wire body and a negative wire body of the wire penetrate through the wire punched hole to be connected with the positive pin and the negative pin respectively, one end of the wire punched hole is an internal thread hole, an internal seal rubber gasket is installed at the bottom of the internal thread hole which cooperates with a punched hole screw, the axis of the punched hole screw is provided with a punched hole, the wire penetrates through the internal seal rubber gasket and the punched hole screw, the punched hole screw cooperates with the internal thread hole to compress the internal seal rubber gasket, and the wire is sealed; the plug-in type gas blaster igniter has the advantages of being low in manufacturing cost, high in reactant mixing uniformity, high in heat release efficiency and good in transport safety.
Owner:郭远军

apfc constant current controller integrated circuit

The invention discloses an APFC constant current controller integrated circuit which comprises a preprocessing circuit, an integrating amplifier and an APFC logic control circuit. The preprocessing circuit receives current feedback signals from an external DC / DC power conversion level. The DC / DC power conversion level converts alternating-current input voltage after full-wave rectification into direct-current output current which is provided for a constant current source load. The integrating amplifier comprises an error amplifier, an integrating resistor and an integrating capacitor. A first input end of the error amplifier receives current feedback signals processed by the preprocessing circuit through the integrating resistor, a second input end of the error amplifier receives a reference signal, and the output end of the error amplifier generates amplified error signals. One end of the integrating capacitor is connected with a node between the first input end of the error amplifier and the integrating resistor, and the other end of the integrating capacitor is connected with the output end of the error amplifier. The APFC logic control circuit is connected with the output end of the error amplifier and is used for generating driving signals on the DC / DC power conversion level so that PFC and constant current control can be carried out. The moisture proof performance of an LED lighting lamp is effectively improved.
Owner:许瑞清
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