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44results about How to "Easy to update and replace" patented technology

Interactive electronic technical manual-based online fault diagnosis equipment and online fault diagnosis method

The invention discloses interactive electronic technical manual (IETM)-based online fault diagnosis equipment and an online fault diagnosis method. The equipment comprises five parts: an IETM content database, an IETM browser, an IETM fault diagnosis engine, an IETM log database and a test execution platform. According to the invention, an IETM is used as a core and a humanized interaction interface of the IETM is utilized to encapsulate a complicated fault diagnosis process, so that it is easy for a user to use and operate; the fault diagnosis engine and a test execution platform are integrated in the IETM, thereby substantially improving the fault diagnosis capability of the IETM; the equipment has a good modularity characteristic, so that it is easy to carry out updating and replacement of the fault diagnosis engine and the test execution platform; and the diagnosis method enables process information of the fault diagnosis and test data to be completely recorded, so that it is beneficial to analyze a fault cause after the fault occurrence. Moreover, the equipment with good portability can be applied to various equipment maintenance working sites; and the equipment enables maintenance personnel to be effectively guided to remove faults, thereby improving equipment maintenance working efficiency.
Owner:NAT UNIV OF DEFENSE TECH

Solar building integrated heating heat preservation ventilation curtain wall

The invention relates to a solar building integrated heating heat preservation ventilation curtain wall which is composed of a wall fireproof heat preservation board 1, a corner-type heat absorption curtain wall body 2, roller shutter vertical rails 3, shading heat insulation and preservation roller shutters 4, a curtain rolling machine, an outer heat insulation and preservation roller shutter cover 5, a heat insulation and preservation filling material 6 and a solar heating ventilation system 7. The corner-type heat absorption curtain wall body 2 can absorb solar energy directly through photo-thermal conversion and supply clean heating air to the indoor space through the solar heating ventilation system 7, and the heating purpose is achieved. Due to the fact that the corner-type heat absorption curtain wall body 2 is of a double-layer sealed structure composed of a corner-type panel and a corner-type heat absorption board and a double-layer cavity heat preservation layer is formed, the heat insulation and preservation performance of the wall is improved. The externally-arranged shading heat insulation and preservation roller shutters can block the sun, resist wind and preserve heat and indoor air conditioner energy consumption pressure is greatly reduced. The solar building integrated heating heat preservation ventilation curtain wall is simple in structure, convenient and quick to disassemble, assemble and repair, capable of being industrially produced, assembled on a site and reducing construction and operation maintenance cost, low in carbon, capable of saving energy, environmentally friendly and high in building quality.
Owner:冯刚克

Prefabricated assembled bridge deck plate dry joint connection structure and implementation method

The invention discloses a prefabricated assembled bridge deck plate dry joint connection structure and an implementation method and belongs to the field of bridge engineering. The prefabricated assembled bridge deck plate dry joint connection structure comprises prefabricated assembled type bridge deck plates, a top reserved pre-stressing hole channel, a top pre-stressing tendon, a top anchorage device, a top spacer, a bottom reserved pre-stressing hole channel, a bottom pre-stressing tendon, a bottom anchorage device, a bottom spacer and a water stop. The top pre-stressing tendon and the bottom pre-stressing tendon are stretched by mounting the spacers and the anchorage devices, so that top parts and bottom parts of the adjacent prefabricated bridge deck plates are connected together. Inaddition, the bottom reserved pre-stressing hole channel, the bottom pre-stressing tendon, the bottom anchorage device and the bottom spacer can be replaced with a bottom embedded part, a bottom steelplate and nuts; the bottom steel plate is fixed by mounting the nuts so as to reduce the workload for stretching the pre-stressing tendons. According to the prefabricated assembled bridge deck platedry joint connection structure and the implementation method disclosed by the invention, the design is simple, the cast-in-place concrete is not needed, the mounting is convenient and rapid, the construction of the full prefabricated bridge is implemented, and the structure has the characteristics of being repairable, and easy to replace and update.
Owner:BEIJING UNIV OF TECH

Cotton yarn textile yarn surface cleaning process

The invention provides a cotton yarn textile yarn surface cleaning process. The cotton yarn textile yarn surface cleaning process involves a winding mechanism, a tension mechanism and a rotary grinding mechanism, wherein the rotary grinding mechanism is installed on the winding mechanism, the tension mechanism is located between the middle of the winding mechanism and the middle of the rotary grinding mechanism, and the tension mechanism is installed on the winding mechanism. According to the cotton yarn textile yarn surface cleaning process, the problems that in a weaving process, flyings arecaused due to the fact that fluff on the surface of yarn falls off, so that weaving of textile production, especially knitting production, is difficult to conduct smoothly, and the phenomenon that aproduct quality problem is caused are solved, in the knitting production, the yarn rubs with a looping machine part at a high speed in the knitting looping process, loose fibers on the surface of theyarn and the fluff on the surface of the yarn fall off to form the flyings, and the flyings stain moving parts of a machine, so that the movement of the parts such as knitting needles is influenced, and finally the parts are damaged and defective cloth is generated.
Owner:卫平山

Industrial intelligent controller capable of deploying AI model dynamically

The invention discloses an industrial intelligent controller capable of deploying an AI model dynamically, relating to the technical field of industrial intelligent controller. The industrial intelligent controller comprises an EDGE BOX end and a control center, wherein the EDGE BOX end and the control center transmit or communicate with each other through a multi-path serial port, an Ethernet interface, WiFi or 5G netowrk, the EDGE BOX end is communicated connection with a production machine table through a serial port, the EDGE BOX based on an edge calculation controller of an X86 processorintegrates the multi-path serial port, the Ethernet interface, WIFI and the 5G wireless communication module, and the control center, a K8S control end the EDGE BOX end are used for collecting data ofthe production machine table, sending a control command to the control center, and deploying an AI operation model and edge calculation nodes of an operation component dynamically through the controlcenter. The industrial intelligent controller capable of deploying the AI model dynamically can perform a complex algorithm and a device model in local and can perform intelligent edge analysis and control, thereby having better effect in real time performance.
Owner:上海众壹云计算科技有限公司

Method and system of public communication source guiding

The invention is a method for public resource navigation, based on the computer system for public traffic resources databank, it designs data structure storage and searching data joint, the storing mode of data structure for point in databank is, the point data in the databank is mainly stored in two data tables, namely the point basic attributes table and information table of relative station, the attributes stored in the point basic information table has: point name, searching key word, point sketch map, type and other basic attributes; the joint is bonded with point data, and arranges with ordering joint, the ordering joint is made up of three parts: the number of this joint, the weight of the distance between the two joints from this joint to the next joint and the next joint; acquires all the relative information from the two data tables, and they are displayed on the web.
Owner:杨修雨 +2

Intelligent door lock system with scanning function and control method

The invention discloses an intelligent door lock system with a scanning function and a control method. The intelligent door lock system comprises an intelligent door lock, a cloud server wirelessly connected with the intelligent door lock, a database connected with the cloud server, and a mobile terminal APP wirelessly connected with the cloud server, wherein the intelligent door lock comprises adoor lock body, a two-dimensional code recognition device, a camera monitoring device, a door lock controller and a wireless communication module; and the two-dimensional cod recognition device, the camera monitoring device and the door lock controller are wirelessly connected with the cloud server through the wireless communication module respectively. In the scheme, a two-dimensional code is obtained by using the mobile terminal APP for cod scanning verification unlocking, the safety problem of a traditional unlocking mode is solved, simultaneously the system is convenient to update and change and unlikely to copy or leak, safety management hidden dangers and management loopholes are avoided, authentication is carried out through a visitor temporary pass two-dimensional code, long-term storage and management can be carried out on visitor information, and intelligent management is convenient to realize.
Owner:广安众道电子商务有限公司

Product appearance detection method based on cloud edge collaborative model optimization and implementation system thereof

The invention relates to a product appearance detection method based on cloud edge collaborative model optimization and an implementation system thereof. The detection method comprises the following steps: S1, establishing a basic data set; s2, training a YOLOv3-tiny model and a YOLOv3 model, and respectively deploying the YOLOv3-tiny model and the YOLOv3 model at an edge server and a cloud platform; s3, detecting and recognizing, by the YOLOv3-tiny model, the picture, when the picture is detected to be qualified, sending the picture and a detection resultto the cloud platform, and executing the S5, if the detection result is unqualified, determining that the result is suspected to be unqualified, sending the result to the cloud platform, and performing S4; s4, performing secondary detection on the suspected unqualified pictures on the cloud platform; if the secondary detection is not qualified, outputting a result, and ending the process, and if the secondary detection is qualified, performing S5; and S5, storing the qualified picture in the cloud platform, outputting a result, and ending. According to the method, the problems of accuracy, flexibility, time delay and data utilization rate are solved by using a working mode of cloud edge collaboration.
Owner:SHANDONG UNIV

First-class returning-water quality percolating and purifying device for farmland

The invention relates to a first-class returning-water quality percolating and purifying device for a farmland. The first-class returning-water quality percolating and purifying device for the farmland structurally comprises a fixed support, percolating and purifying tanks, a water draining baffle plate, a nanometer purification net, water-blocking blocks, a nanometer composite material and a fixing bottom plate, wherein the fixed support is fixedly arranged on a farmland water draining port; three rows of grooves are correspondingly arranged on two sides of the support and are respectively apurification net installation groove, a baffle plate installation groove and a purification tank installation groove sequentially and correspondingly provided with the nanometer purification net, thewater draining baffle plate and the percolating and purifying tanks; during installation, the purification net installation groove is ensured to be installed on the farmland water draining inflow side; during an undrainage period of the farmland, the water draining baffle plate is inserted, and a water body pollutant near the water draining port can be degraded and removed through the nanometer purification net; during farmland drainage, the water draining baffle plate is taken down, and the water-blocking blocks are arranged in the purification tank installation groove according to a field water level requirement and are then overlapped and placed into the percolating and purifying tanks so as to form a column of percolating wall; the percolating and purifying tanks are open-type, so thatthe nanometer composite material can be conveniently updated and recovered.
Owner:HOHAI UNIV

Testing device and method for permeability coefficient evolution of fractured rock mass

The invention provides a testing device and method for permeability coefficient evolution of fractured rock mass. The device comprises a rock core holder, a water injection tank arranged above the rock core holder and a water storage tank arranged below the rock core holder, wherein a storage cavity for accommodating a clamped rock core sample is formed in the middle of the rock core holder; a water feeding port communicated with the storage cavity is formed in the lower part of the water injection tank; a water inlet communicated with the storage cavity is formed in the upper part of the water storage tank; a pressure rod extending into the water storage tank is arranged below the water storage tank and driven by a driving device to operate up and down so as to apply pressure to the rock core sample; a pressing pad layer is arranged on the inner surface of the storage cavity of the rock core holder; a pressing cavity is formed in the pressing pad layer and communicated with a hydraulic pipeline for hydraulic oil feeding; an oil pump is arranged on the hydraulic pipeline. According to the structure, the device is used for testing change characteristics of the permeability coefficient of the single-fracture rock mass in a deformation and failure evolution process under the shear-seepage coupled action, and the change characteristics of the whole process are obtained. Besides, in terms of maintenance of the testing device, the device can be repeatedly used, and parts can be convenient to mount, dismount and replace.
Owner:FUZHOU UNIV

Buckling device for wood floor installation

InactiveCN110835996ARealize prefabricated installationEasy to disassembleFlooringFloor slabLine tubing
The invention discloses a buckling device for wood floor installation. The buckling device comprises keels, wherein a corresponding fastener is arranged on each keel and comprises a fastener body; theleft side and the right side of each fastener body respectively extend upwards to form a side fastener plate; and the upper portion of each side fastener plate extends outward to form a correspondinghook. A using method of the buckling device comprises the steps that the plurality of keels are arranged on a structural floor and connected to the structural floor through chemical bolts; pipelinesfor water and electricity heating are laid on the structural floor; the fasteners are fixed on the keels by using self-tapping nails, and double-sided adhesive tapes are pasted on the keels; and the floor is matched with the fasteners in a buckling mode. According to the buckling device, the dry operation is achieved, the assembly type of floor installing is achieved, and the pipeline is laid on an open layer, so that the requirement that the pipeline is separated from the structure in an assembly-type building is met; and the floor is convenient to disassemble through the use of a fastener system and a floor disassembly key, and the later maintenance of the pipelines and the replacement of the floor are facilitated.
Owner:杨坚

Environment-friendly pollution-free plastic waste crushing equipment

The invention discloses environment-friendly pollution-free plastic waste crushing equipment which comprises a housing. The left upper portion of the housing is provided with a plastic inlet. The inclined portion of the left lower portion of the housing is provided with a first discharge outlet, and a storage tank is arranged below the first discharge outlet in a matched mode. The shell is internally divided into two parts, the left area is a preprocessing part and the right area is a crushing part. The lower end of the plastic inlet is connected with the preprocessing part, and the right end of the preprocessing part is connected with the left end of the crushing part through a scraper conveyor. The preprocessing part comprises a high-magnetic electromagnet device, a lifter, a soaking pool, a water inlet, a water outlet, a conveyor belt and a hammer grinder. The crushing part comprises a rotary crusher. The environment-friendly pollution-free plastic waste crushing equipment provided by the invention can crush plastics of different hardnesses, is wide in application range, simple in structure and compact in layout, and has the advantages of stable operation, low energy consumption, high plastic crushing efficiency, low machining cost and the like.
Owner:江苏贝尔诺新能源科技有限公司

Integrated crushing disposal method of industrial timber wastes

The invention discloses an integrated crushing disposal method of industrial timber wastes. Integrated crushing disposal is performed on the industrial timber wastes through a timber waste disposal system that comprises a housing; a timber inlet is formed in the housing on the top left; a first discharge hole is formed in the inclined portion of the bottom left of the housing and a storage box is arranged under the first discharge hole; the interior of the housing is divided into two parts, wherein the region on the left side is a pretreatment part, while the region on the right side is a crushing part; the lower end of the timber inlet is connected with the pretreatment part, and the right end of the pretreatment part is connected with the left end of the crushing part through a scraper conveyor; the pretreatment part comprises a highly magnetic electromagnet device, an elevator, a soaking pool, a water inlet, a water outlet, a conveyor belt and a hammer type grinding machine; the crushing part comprises a rotary crusher. The complete set of equipment is simple in structure, compact in arrangement, stable in working, low in energy consumption and high in output; besides, the quality of the finished product of wood flour is good and the machining cost is low.
Owner:桐乡市建春塑业股份有限公司

Textile yarn after-forming treatment equipment and treatment process

The invention provides textile yarn after-forming treatment equipment and a treatment process. The equipment comprises a winding mechanism, a delivery mechanism and a clamping transfer mechanism, wherein the clamping transfer mechanism is mounted on the delivery mechanism, and the winding mechanism is located between the delivery mechanism and the clamping transfer mechanism and mounted on the delivery mechanism. Through the treatment equipment and the treatment process, the problem that yarn needs to be wound and collected after being produced can be solved; yarn winding is a key technology in chemical fiber filament production and plays an important role in analyzing the chemical fiber production process and the winding motion law; and in the existing textile industry, the overlapping phenomenon unavoidably occurs in the yarn winding process, consequently a yarn coil is loose and unattractive and not uniform in occupied area, and a winding reel needs to be replaced manually, so thatactions are cumbersome, and winding efficiency is low.
Owner:江苏华彩纺织制衣有限公司

Preparation method for catalytically active ceramic cotton for flue gas denitration

A preparation method for catalytically active ceramic cotton for flue gas denitration is provided; a preparation process comprises the following steps successively: (1) preparing a mixed solution containing a catalytically active ingredient; (2) dipping zirconia ceramic cellucotton in the mixed solution prepared in the step (1); (3) removing excess solution of the cellucotton dipped in the solution in the step (2), and fumigating with ammonia gas; (4) carrying out drying treatment on the cellucotton fumigated in the step (3); and (5) calcining. The prepared catalyst product has the advantages of large specific surface area, high temperature resistance, corrosion resistance and wide use range.
Owner:江苏省陶瓷研究所有限公司 +1

Smashing and separating device for bagged industrial refuse

The invention discloses a smashing and separating device for bagged industrial refuse. The smashing and separating device comprises a rotating rotor assembly, a rivet cylinder and a separating assembly. The rotating rotor assembly is composed of a rotating shaft, a conveying channel inlet, a conveying channel outlet, a rotary drum, blades and a transmission device. The rivet cylinder is composed of rivet hanging pieces and rivets. The separating assembly is composed of a light refuse subpackage cylinder, a common refuse subpackage cylinder, an air blower and the like. In the working process, refuse enters a refuse conveying channel from the conveying channel inlet of the rotating rotor assembly, when the rotary drum of the rotating rotor assembly rotates at a high speed, the refuse passes through the conveying channel and a bag is broken by the rivets, and the refuse is discharged out of the conveying channel outlet. In the falling process of the refuse from the rotor assembly, light refuse materials are blown into the light refuse subpackage cylinder through the wind force of the air blower, heavy common refuse falls into the common refuse subpackage cylinder, and separation of the refuse is achieved. According to the device, the rivets are used for breaking the bag of the refuse, the rivets and the rivet cylinder are not integrally installed, and disassembly and assembly can be conveniently carried out.
Owner:李海兰

LCD screen advertisement device assembled on shopping trolley

The invention discloses an LCD screen advertisement device assembled on a shopping trolley. The device comprises a shell with an LCD screen; both ends of the shell can be fixedly connected with push rods of a supermarket shopping trolley; the interior of the shell is provided with a speaker and a play control circuit structure which comprises a CPU control module, a data storage module, a data transmission module and a power supply module; and the CPU control module is connected with the LCD screen, used for processing and playing advertisements and respectively connected with the data storagemodule for storing advertisement data information, the data transmission module for providing a communication transmission interface and the power supply module for providing a power supply for the device. The advertisement device utilizes a propaganda platform of video image playing, can repeatedly play and periodically replace advertisement information while fully utilizing the mobility and thecustomer universality of shopping trolleys, and can attract supermarket consumers during selecting goods to pay attention to consumer information to the maximum extend, thereby widening the contact area with the consumers and the influence of the advertisements.
Owner:上海金铱星电子科技有限公司

Reflection-type homogenizing mirror for generating flat-top-like rectangular light spots and homogenizing system

PendingCN113485018AIncrease profitReduce the effect of vignetteOptical elementsRotational axisMirror reflection
The invention discloses a reflection type homogenizing mirror for generating flat-top-like rectangular light spots and a homogenizing system, and belongs to the field of laser processing. The reflection type homogenizing mirror for generating flat-top-like rectangular light spots comprises a mirror body and a reflection mirror surface, the reflection mirror surface comprises a left rotating curved surface set and a right rotating curved surface set, the distance fw between the rotating curved surface sets and a working face, the vertical distances hl and hr between the rotating curved surface sets and respective rotating shafts, and the distances dl and dr between the left rotating shaft and the right rotating shaft and the central axis of the two rotating curved surface sets meet the relations shown in the following formulas, uniform-like light spots can be obtained in the uniform-like direction, D1 is the left half width of incident light on the reflecting mirror surface, and Dr is the right half width of the incident light on the reflecting mirror surface. The light spot edge in the quasi-uniform direction drops steeply, so that the virtual light influence caused by Gaussian distribution can be greatly reduced, the utilization rate of Gaussian beam edge energy is effectively improved, and the application range is wider. According to the device, a high-precision rotating lathe can be adopted for machining, an expensive high-precision free-form surface machining machine tool is not needed, and the machining cost can be reduced.
Owner:HUAZHONG UNIV OF SCI & TECH +1

Heatable vacuum inorganic stone

The invention discloses a heatable vacuum inorganic stone. The heatable vacuum inorganic stone comprises a high-density polystyrene heat preservation layer, a reflection layer, heating cables, a special concrete layer, and an artificial stone floor layer which are sequentially arranged. The heating cables are connected with the power source end. A metal shielding net is arranged outside each heating cable. The metal shielding nets are connected to the ground. The artificial stone floor layer is connected with the special concrete layer by a binder. A plurality of fixed notches are formed in the upper end of the special concrete layer. A plurality of connecting parts corresponding to the fixed notches in a one-to-one mode are arranged on the lower end face of the artificial stone floor layer. The fixed notches are detachably connected with the connecting parts. The artificial stone floor layer is arranged in a modularization mode, so that renewing and replacing are convenient, and systematic maintenance is convenient.
Owner:王仕国

Interactive electronic technical manual-based online fault diagnosis equipment and online fault diagnosis method

The invention discloses interactive electronic technical manual (IETM)-based online fault diagnosis equipment and an online fault diagnosis method. The equipment comprises five parts: an IETM content database, an IETM browser, an IETM fault diagnosis engine, an IETM log database and a test execution platform. According to the invention, an IETM is used as a core and a humanized interaction interface of the IETM is utilized to encapsulate a complicated fault diagnosis process, so that it is easy for a user to use and operate; the fault diagnosis engine and a test execution platform are integrated in the IETM, thereby substantially improving the fault diagnosis capability of the IETM; the equipment has a good modularity characteristic, so that it is easy to carry out updating and replacement of the fault diagnosis engine and the test execution platform; and the diagnosis method enables process information of the fault diagnosis and test data to be completely recorded, so that it is beneficial to analyze a fault cause after the fault occurrence. Moreover, the equipment with good portability can be applied to various equipment maintenance working sites; and the equipment enables maintenance personnel to be effectively guided to remove faults, thereby improving equipment maintenance working efficiency.
Owner:NAT UNIV OF DEFENSE TECH

Bagged industrial garbage breaking and separating method

The invention discloses a bagged industrial garbage breaking and separating method. The method comprises four steps of loading garbage, enabling the garbage to pass through a rotary rotor assembly, breaking garbage bags, and separating the garbage. During work, the garbage enters a garbage transmission channel through an inlet of a transfer channel of the rotary rotor assembly; when a rotary cylinder of the rotary rotor assembly rotates rapidly, the garbage passes through the transmission channel and is subjected to bag breaking by rivets so as to be discharged from an outlet of the transmission channel; during the process that the garbage drops off the rotor assembly, the light garbage material is blown into a light garbage subpackage cylinder by air power of an air blower, the relatively heavy common garbage drops into the common garbage subpackage cylinder, so that the garbage separation is realized. According to the method, due to the adoption of the rivets, the garbage bag breaking s realized, and the rivets and a rivet cylinder are not subjected to integral installation, so that assembly and disassembly are convenient.
Owner:李海兰

Waste gas filter with M-shaped filtering medium

The invention relates to a waste gas filter with an M-shaped filtering medium. The waste gas filter is applied to treatment or recycling of organic waste gases or inorganic waste gases generated in spraying and painting processes of industrial manufacturing of furniture, automobiles, containers, shipbuilding and the like. The waste gas filter comprises a base and filters, wherein a waste gas inlet and a waste gas outlet are formed in the base. The waste gas filter is characterized by further comprising an M-shaped bracket; the M-shaped bracket is mounted on a channel through which a waste gas flows to the waste gas outlet from the waste gas inlet inside the base; the filters are adhered to working surfaces on two inner sides of each V-shaped hole of the M-shaped bracket. The waste gas filter has the advantages that the baffling area of unit volume of each filter is large, the filtering efficiency is improved, the size of a filter in the prior art is reduced, meanwhile, as the filters are arranged in the flowing direction of the waste gas, the energy loss of the flowing waste gas is reduced, the power of a fan is reduced, the filtration effect is stable, and the like.
Owner:FUJIAN LEBEN ENVIRONMENTAL PROTECTION TECH & EQUIP

Nasal ventilation device

The invention discloses a nasal ventilation device. The nasal ventilation device comprises a nasal tube body I, a nasal tube body II and a nasal tube body III, the nasal tube body I, the nasal tube body II and the nasal tube body III are sequentially connected, the nasal tube body I, the nasal tube body II and the nasal tube body III are each of a hollow structure, artificial vibrissa is arrangedin the nasal tube body I, a magnetic carbon fiber net film is arranged in the nasal tube body II, the nasal tube body III is filled with a sponge body used for storing clean water, an inner magnetic ring is further fixed in the nasal tube body I, and the nasal tube body III is the end inserted into a nostril. According to the nasal ventilation device, suction of dust and flying floccules in air isreduced, meanwhile, the humidity of sucked air can be guaranteed, stimulation to nasal cavity mucosa is reduced, the device is simple in structure and convenient to carry, the device is easy to replace due to the sectional design, and use sanitation is guaranteed.
Owner:万德昌

Glass paint film for kitchen

The invention discloses a glass paint film for a kitchen. The glass paint film is prepared from the raw materials in mass fraction: 280 to 300 parts of linseed oil modified alkyd resin, 40 to 50 parts of oil soluble resin, 40 to 50 parts of tung oil, 70 to 80 parts of polyprene, 1 to 2 parts of lead acetate, 0.5 to 1 part of dibutyl phthalate, 5 to 10 parts of turpentine oil and 2 to 5 parts of dimethylbenzene. Preferably, the mass fraction of the linseed oil modified alkyd resin is 300 parts, the mass fraction of the oil soluble resin is 50 parts, the mass fraction of the tung oil is 45 parts, the mass fraction of the polyprene is 75 parts, and the mass fraction of the dibutyl phthalate is 0.5 part. The glass paint film disclosed by the invention not only has oil resistance, but also can be torn down to be sprayed again; as the tung oil is added, the paint film is not in firm contact with glass; thus, the paint film is convenient to replace.
Owner:TAICANG CITY SHUANGFENG TOWN BOCAI ARTWORK FACTORY

A filter and purification device for farmland first-stage backwater water quality

The present invention is a first-stage receding water quality percolation and purification device for farmland, the structure of which includes a fixed support, a percolation purification box, a drainage baffle, a nano purification net, a water blocking block, a nanocomposite material, and a fixed bottom plate; wherein, the fixed support It is fixedly installed at the drainage outlet of the farmland. There are three rows of grooves corresponding to the two sides of the bracket, which are respectively the purification net installation groove, the baffle installation groove and the purification box installation groove. The nano purification net, the drainage baffle and the percolation purification are installed in sequence When installing, ensure that the installation groove of the purification net is on the side of the farmland drainage and water supply; during the non-drainage period of the farmland, insert the drainage baffle, and the water body pollutants near the outlet can be degraded and removed by the nano purification net; when the farmland is draining, remove the drainage baffle According to the requirements of the field water level, a water-blocking block is installed in the installation tank of the purification box, and then several infiltration purification boxes are stacked to form a row of infiltration walls; the infiltration purification box is openable, which is convenient for the renewal of nano-composite materials Recycle.
Owner:HOHAI UNIV

An integrated crushing method for industrial wood waste

The invention discloses an integrated treatment method for industrial wood waste. The industrial wood waste is subjected to integrated crushing treatment through a wood waste treatment system. There is a first discharge port, and there is a storage box below the first discharge port; the interior of the shell is divided into two parts, the left area is the pretreatment part, and the right area is the crushing part; the lower end of the wood inlet is connected to the pretreatment part, The right end of the pretreatment part is connected to the left end of the crushing part through a scraper conveyor; the pretreatment part includes a high-magnetic electromagnet device, an elevator, a soaking tank, a water inlet, a water outlet, a conveyor belt, and a hammer mill; the crushing part includes a rotary crusher. The whole set of equipment has simple structure, compact layout, stable work, low energy consumption, high output, good quality of finished wood chips, and low processing cost.
Owner:桐乡市建春塑业股份有限公司

Waterproof breathable spray head

The invention discloses a waterproof breathable spray head which comprises a spray head main body, a breathable film and a fixing part. A center hole and an internal thread hole are formed in the spray head main body from the center of one end to the center of the other end in a communicating mode, the inner diameter of the internal thread hole is larger than that of the center hole, the outer surface of the spray head main body is sequentially provided with a connection section, a transition section and a first external thread section from one end to the other end, the outer contour size of the transition section is larger than that of the connection section and the first external thread section, and the breathable film is installed on the internal thread hole in the spray head main bodythrough the fixing part. The waterproof breathable spray head is convenient to assemble and disassemble, flexible to install and high in protection grade and has the efficient water and dust prevention function.
Owner:湖南鸿腾新能源技术有限公司

A test device and test method for the evolution of permeability coefficient of fractured rock mass

The invention provides a testing device and method for permeability coefficient evolution of fractured rock mass. The device comprises a rock core holder, a water injection tank arranged above the rock core holder and a water storage tank arranged below the rock core holder, wherein a storage cavity for accommodating a clamped rock core sample is formed in the middle of the rock core holder; a water feeding port communicated with the storage cavity is formed in the lower part of the water injection tank; a water inlet communicated with the storage cavity is formed in the upper part of the water storage tank; a pressure rod extending into the water storage tank is arranged below the water storage tank and driven by a driving device to operate up and down so as to apply pressure to the rock core sample; a pressing pad layer is arranged on the inner surface of the storage cavity of the rock core holder; a pressing cavity is formed in the pressing pad layer and communicated with a hydraulic pipeline for hydraulic oil feeding; an oil pump is arranged on the hydraulic pipeline. According to the structure, the device is used for testing change characteristics of the permeability coefficient of the single-fracture rock mass in a deformation and failure evolution process under the shear-seepage coupled action, and the change characteristics of the whole process are obtained. Besides, in terms of maintenance of the testing device, the device can be repeatedly used, and parts can be convenient to mount, dismount and replace.
Owner:北京东方新星勘察设计有限公司
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