31results about How to "Eco-friendly" patented technology

The invention discloses a color changing device and a temperature self-adaptive color changing control method thereof, and belongs to the technical field of electrochromism, the color changing device comprises an electrochromism device, a power supply and a control module, the electrochromism device comprises two conductive layers and gel electrolyte arranged in the two conductive layers; the power supply is electrically connected with the two conductive layers; the control module is connected with the power supply; and a polymer-based gel electrolyte is arranged in the electrochromic device. In the application, the control module utilizes the cooperation of the photosensitive sensor and the temperature sensor, and accurately and automatically adjusts the transmittance and the reflectivity of the electrochromic device in real time according to the external light intensity change and the temperature change, so that the color changer can reach the required observation state at different temperatures, and the use requirements are met.

The invention relates to an overheating protection type high-temperature-resistant cable applied to the field of cables, which comprises a high-temperature-resistant cable body and a heat-resistant cable maintenance station matched with the high-temperature-resistant cable body, and adopts cooperation of an outer thermal induction sleeve, a bidirectional spacer bush, an inner thermal induction sleeve, a trigger column and a heat-resistant protection system. According to the high-temperature-resistant cable, when the temperature outside or inside the high-temperature-resistant cable body suddenly changes, trigger induction can be generated in time, the high-temperature-resistant cable body can be protected from overheating in time while the real-time monitoring effect is achieved, the application effect of the outer liquid cooling layer and the inner liquid cooling layer is promoted, and the service life of the high-temperature-resistant cable body is prolonged. The high-temperature-resistant cable has the advantages that the high-temperature-resistant cable body is prevented from being damaged by overheat, the service life of the high-temperature-resistant cable body is guaranteed, the stability and the safety of the high-temperature-resistant cable body in operation in a high-temperature environment are improved, and the service life of the high-temperature-resistant cable body is prolonged. And targeted liquid cooling circulation regulation and control can be carried out through an overheating factor, so that the energy loss is effectively reduced.

The invention relates to a MnCo-based metal oxide electromagnetic wave absorbing material as well as a preparation method and application thereof. The composition of the MnCo-based metal oxide electromagnetic wave absorbing material is Mn2. 05Co0. 91 O4, the preparation method comprises the following steps: preparing raw materials from a cobalt source, a manganese source, urea and ammonium persulfate according to a molar ratio, and dissolving the raw materials in deionized water to obtain a metal salt solution; carrying out hydrothermal reaction; centrifugally washing, drying and grinding; and calcining, and directly quenching after calcining to finally obtain the MnCo-based metal oxide electromagnetic wave absorbing material. The MnCo-based metal oxide electromagnetic wave absorbing material disclosed by the invention has excellent wave absorbing performance: by changing a quenching medium, customizing the lattice strain of the MnCo-based metal oxide, inducing the generation of unpaired electrons and optimizing the dielectric property of the MnCo-based metal oxide electromagnetic wave absorbing material, the wave absorbing performance of the MnCo-based metal oxide electromagnetic wave absorbing material is finally improved; the preparation process is simple and easy to implement, the metal oxide material with excellent and stable wave-absorbing performance is prepared through simple hydrothermal reaction, calcination and quenching processes, and the metal oxide material has great application prospects.

The invention relates to a processing method of a composite conductor based on a polymeric membrane, which comprises the following steps of: 1, bombarding a target material by using a pulsed electron beam gun, and depositing on a first surface of a base material to form a first conductive layer; 2, on the second face of the base layer material, part of the base layer material is removed through laser, and a plurality of micro blind holes are formed; 3, bombarding the target material by using a plurality of pulse electron beam guns, and depositing on the second surface of the base layer material to form a second conductive layer; 4, conducting the first conductive layer and the second conductive layer at the micro blind hole; the base material is divided into a tab part and a base material part in the width direction, and the thickness of the conductive layer at the tab part is greater than that of the base material part. Due to the adoption of the pulsed electron beam deposition technology in the field of semiconductors, the thickness of the conducting layer can be regulated and controlled at will, the tab part can be formed at a time, traditional production methods of evaporation, electroplating, sputtering and mixing of evaporation, electroplating and sputtering can be completely replaced, and the method has the advantages of high production efficiency, cost reduction, energy conservation, environmental protection and the like.

The application discloses a pinene analogue containing an ester group and preparation and application thereof, and belongs to the field of agricultural chemicals. The pinene analogue containing the ester group provided by the application has a structural formula as shown in formula I: the application obtains a pinene analogue containing an ester group by esterification modification of an aphid alarm pheromone pinene; through biological activity research, it is found that the compound has double functions of repelling aphids and attracting natural enemies of the aphids, and has a good application prospect in green prevention and control of the aphids.

The utility model provides a multifunctional cake box surrounding edge, and relates to the technical field of packaging, in order to solve the problems that in the prior art, a cake box surrounding edge is single in use function and cannot be repeatedly used, the multifunctional cake box surrounding edge comprises a surrounding edge plate body which is of an integrated structure and comprises a main plate block, a connecting block and two side plate blocks, the main plate block is provided with a first side edge and a second side edge which are opposite in the second direction, the two side plate blocks are connected with the first side edge and the second side edge respectively, the length of the side plate blocks in the first direction is equal to that of the main plate block in the first direction, and the connecting block is connected to one end of the main plate block in the first direction. The surrounding edge plate bodies can be folded to form the packaging box. According to the multifunctional cake box surrounding edge, the surrounding edge plate body can be taken down from the transparent surrounding plate of the cake box, the surrounding edge plate body can be used as a packaging box, the surrounding edge plate body can be reused, the using functionality is improved, waste is avoided, and the multifunctional cake box surrounding edge is economical and environmentally friendly.

The invention relates to gadolinium oxysulfide powder based on a molten salt method and a preparation method of the gadolinium oxysulfide powder. The preparation method specifically comprises the following steps: preparing a precursor solution, and cleaning and drying an obtained precipitation product to obtain precursor powder; the precursor powder is one of Gd2O2CO3, Gd2 (SO4) 3.8 H2O, Gd2 (OH) 4SO4. XH2O and Gd2 (OH) 5NO3. XH2O, and the precursor powder is one of Gd2O2CO3, Gd2 (SO4) 3.8 H2O, Gd2 (OH) 4SO4. XH2O and Gd2 (OH) 5NO3. XH2O; uniformly mixing the prepared precursor powder, a sulfur source and fused salt, putting the mixture into a crucible, sintering at high temperature in a protective atmosphere to enable the mixed powder to form a molten state, and cleaning and drying after sintering and cooling to obtain gadolinium oxysulfide powder; and the molten salt is one of Li2CO3 and Na2CO3, Li2CO3 and K2CO3, Li2CO3 and K2CO3, and Na2CO3. The invention also discloses a preparation method of the lithium ion battery. Compared with the prior art, the method has the advantages that the Gd2O2S powder is synthesized in the air or the reducing atmosphere or the inert atmosphere, compared with a traditional high-temperature solid-phase synthesis method, the synthesis temperature is greatly reduced, and the generated Gd2O2S is good in crystallinity, high in purity, free of impurity phases and high in dispersity.

According to the hollow type vertical structure, a space defined by a top plate, a bottom plate, a rear wall plate and a front plate forms an energy dissipation chamber frame, reinforcing corners are arranged at the connecting position of the top plate and the rear wall plate and the connecting position of the bottom plate and the rear wall plate, the front plate is composed of hollow bodies, and a water permeable opening is formed between every two transversely adjacent hollow bodies. The novel permeable bodies are combined to serve as the front plate of the structure, the front plate, the rear top plate, the rear bottom plate and the rear wall plate form the wave dissipation chamber, the wave can be rapidly diffused to the two sides, and the wave dissipation effect is good. And meanwhile, the size of the wave dissipation chamber can be adjusted according to parameters such as the wave period, so that the optimal wave dissipation effect is achieved. The structure does not need to backfill bin lattice materials, field installation and construction are convenient, and the appearance is attractive after assembly; good inhabiting and sheltering places can be provided for marine organisms, and the method is friendly to the marine environment.

The present application relates to a kind of full-automatic oil sample dispensing device based on multi-channel switching valve and its control method;The rack of the dispensing device is provided with N storage grids, an oil sample bag and air bag are placed in each storage grid, the oil outlet pipe of N oil sample bags is respectively communicated with the N oil inlet hole of first multi-channel switching valve, the center hole of first and second multi-channel switching valve is communicated, the M oil outlet hole of second multi-channel switching valve is respectively communicated with M analysis unit interface, air, carrier gas and blank oil interface are communicated with the inlet of three-way electromagnetic valve through different electromagnetic valves, the first outlet of three-way electromagnetic valve is communicated with the cleaning hole of first multi-channel switching valve, the second outlet is communicated with the emptying hole of second multi-channel switching valve;The control method steps of the device are: flushing to oil inlet pipeline, flushing to analysis pipeline, cleaning to public pipeline, cleaning to pipeline with oil sample, sample introduction;The present application has high cleanliness, high degree of automation, high efficiency and speed, and low running cost.

The invention belongs to the field of foamed ceramics, and particularly relates to a whole-body ion-colored foamed ceramic as well as a preparation method and application thereof. The foamed ceramic is prepared from the following raw materials in percentage by mass: 40 to 70 percent of lithium tail mud, 0 to 16 percent of foamed ceramic waste powder, 0 to 6 percent of foamed ceramic cutting material (black), 3 to 20 percent of magnesia soil, 12 to 22 percent of foamed ceramic cutting material (white), 0.1 to 0.8 percent of silicon carbide and 0.1 to 15 percent of coloring agent. The coloring agent is a metal oxide. The foaming ceramic obtained by selecting proper main body raw materials and sintering is good in compression resistance and breaking strength, the whole body is colored and uniform in color development, meanwhile, the raw materials mainly adopt the lithium tailings and solid waste generated by ceramic processing, the production cost can be effectively reduced, waste recycling is achieved, and the foaming ceramic is green, environmentally friendly and eco-friendly, and is suitable for industrial production. The method is suitable for building exterior wall decoration and ancient building restoration.

The invention relates to the technical field of bridge engineering, in particular to a large-span assembly continuous pile plate structure adopting UHPC assembly plates and an assembly construction method. A large-span assembly continuous pile-plate structure of a UHPC assembly plate is adopted, and the middle prefabricated pipe pile is located between the two end prefabricated pipe piles; precast concrete main body bridge deck slabs are respectively erected between the two end precast pipe piles and the middle precast pipe piles; u-shaped crossed steel bars are arranged at the tops of the middle prefabricated pipe piles, and U-shaped longitudinal connecting steel bars are arranged at the ends, opposite to the prefabricated concrete main bridge deck slab, of the prefabricated UHPC assembly plates correspondingly; the U-shaped longitudinal connecting steel bars are arranged in a staggered manner and are inserted with transverse steel bars; the prefabricated pipe piles located in the middle and the prefabricated concrete body bridge deck slab are connected in a pouring mode through the prefabricated UHPC assembly plates to form a continuous pile-slab structure. According to the large-span assembly continuous pile plate structure adopting the UHPC assembly plates and the construction method, the overall rigidity and the spanning capacity of the assembly pile plate structure are improved, the bad aesthetic effect caused by small-span dense pile plates is improved, and the large-span assembly continuous pile plate structure has the advantages of being convenient to construct, environmentally friendly, economical and high in economical efficiency of the assembly pile plate structure.

A method for preparing a silicon-aluminum composite tanning agent in an aqueous solution comprises the following steps that (1) a certain amount of silicate is dissolved in water, the use amount of the water is 400% of the mass of the silicate, and an alkaline solution is prepared; (2) dissolving a certain amount of an aluminum compound in water which accounts for 300% of the mass of the aluminum compound to prepare an acidic solution; (3) slowly dropwise adding the acidic solution into the alkaline solution under a stirring condition, regulating the pH value of the system to 4.5-5.0 by using an acidity regulator after dropwise adding, continuously stirring for 30 minutes, filtering, and drying the precipitate obtained by filtering to obtain a silicon-aluminum composite tanning agent; wherein the ratio of the amount of substance of Si to the amount of substance of Al is 2: 1-1: 2, and the drying temperature of the precipitate is 40-90 DEG C. The silicon-aluminum composite tanning agent prepared by the method forms a silicon framework-loaded aluminum structure under a certain pH value, and tanned leather is washable and good in softness and fullness. The raw materials for preparing the silicon-aluminum composite tanning agent are low in price, the reaction process is mild, and toxic and harmful ingredients such as formaldehyde, hexavalent chromium and heavy metal are not contained.

The invention relates to a preparation method of a silicon-aluminum composite tanning agent, which comprises the following steps: (1) a certain amount of silicate, an aluminum compound and an acidity regulator are weighed to form a mixed system, the molar ratio of Si to Al is 2: 1-1: 2, and the dosage of the acidity regulator is 5-15% of the mass of the aluminum compound; and (2) stirring the mixed system to react for 30-60 minutes at the temperature of 30-60 DEG C under the condition of constant temperature, then standing to react for 24-48 hours until the mixed system is naturally cooled to room temperature, and crushing to obtain the silicon-aluminum composite tanning agent. According to the silicon-aluminum composite tanning agent, the silicon compound reacts with the aluminum compound under the solid state condition, a silicon framework-loaded aluminum structure is formed under a certain pH value, and leather tanned by the obtained silicon-aluminum composite tanning agent is resistant to washing and good in softness and fullness. The raw materials for preparing the silicon-aluminum composite tanning agent are low in price, drying is not needed in the production process, and large-scale production and application are facilitated. The tanning agent does not contain toxic and harmful ingredients such as formaldehyde, hexavalent chromium and heavy metal, and has the characteristic of ecological environmental protection.

The invention belongs to the technical field of recycling of electrolytic aluminum waste residues, and particularly relates to a resource utilization method of electrolytic aluminum waste residues, which comprises the following steps: 1) performing high-temperature calcination treatment on the electrolytic aluminum waste residues to obtain flue gas and furnace slag; 2) mixing the obtained slag with water, continuously blowing high-pressure air into the obtained mixture, and carrying out cavitation extraction to obtain an extract liquid; (3) filtering the obtained leaching liquor while the leaching liquor is hot to obtain filtrate and filter residues; (4) introducing the flue gas obtained in the step (1) into the filtrate, crystallizing and filtering to obtain a lithium carbonate-containing product; (5) tail gas obtained after the flue gas obtained in the step (4) is introduced into the filtrate is subjected to photocatalytic reduction to obtain CO; according to the method, complete resource utilization of the electrolytic aluminum waste residues is achieved under the condition that acid is not added, and the method has the advantages of being high in lithium recovery rate, simple in step, low in carbon, low in energy consumption, low in emission and high in safety and is quite suitable for industrial application.

The utility model discloses an adjustable multi-stage water seal protection device. The adjustable multi-stage water seal protection device comprises a connecting frame, a plurality of water seals are vertically arranged on the front side of the connecting frame side by side, each water seal is in a cylinder shape with the upper portion and the lower portion open, an exhaust assembly is arranged at the top of each water seal, a drainage assembly is arranged at the bottom of each water seal, and a connecting pipeline for communicating inner cavities of every two adjacent water seals is detachably arranged between every two adjacent water seals. The water seal comprises a first water seal pipe and a second water seal pipe which are vertically arranged at the left end and the right end, a plurality of third water seal pipes are arranged between the first water seal pipe and the second water seal pipe at intervals, the exhaust assembly and the drainage assembly are the same in structure and each comprise a first flange, a blind plate is arranged on one side of each first flange, and the first flange is connected with the first flange. And a ball valve is arranged on one side of the blind plate. The multi-stage water seal can solve the problems that when an existing multi-stage water seal is not used, due to the fact that part of accumulated water remains in an internal pipeline for a long time, the device can be corroded, the water seal is blocked, and resistance is inconvenient to adjust.

The invention relates to the technical field of wastewater treatment, and in particular to a dual-selection all-in-one machine for wastewater with multiple particle sizes and high density suspended matter, the dual-selection all-in-one machine comprising a machine body, the machine body being mounted on a base, the interior of the machine body being divided into a dissolving drug area, a mixing reaction area, a scum area, a water production area, a sedimentation area and a slag discharge area, a wastewater inlet pipe being arranged on the left side of the machine body, the wastewater inlet pipe being connected to the dissolving drug area, the scum area, the water production area and the sedimentation area being arranged in sequence from top to bottom, and a scum discharge area being arranged on the right side of the scum area, the present invention designs a dissolved air interception module, utilizes a jet mixer to inhale and mix air to form dissolved air water, and then releases the air dissolved in the water from the water through a dissolved air releaser to form a micro-nano-level microbubble layer having a very high surface area and adsorption capacity, the microbubble layer intercepts suspended matter in the sewage, greatly improves the hydraulic load of the equipment, the intercepted suspended matter rises to the surface of the water body, and forms a large amount of scum.

The application discloses a method for delivering trace elements to anaerobic fermentation bacteria by coating additives, and the method comprises the following steps: mixing a biomass raw material to be treated and inoculated sludge in a fermentation tank; mixing hydrophobic nanosilica and a metal element ion salt solution, and stirring at a high speed to prepare a slow-release coating additive; adding the prepared slow-release coating additive into the fermentation tank; and setting a fermentation stirring rate to perform anaerobic fermentation. The method can not only gradually release trace metal elements under the action of stirring shear force to improve the biological availability of the trace metal elements, thereby being beneficial to solving the problem that part of the added trace metal element ions is precipitated by other anions in the process of being uptaken by microorganisms, but also can solve the potential heavy metal pollution problem in biogas residue; meanwhile, the method can also solve the biological toxicity problem caused by the prior art, and can effectively promote the anaerobic fermentation biochemical reaction pathway to improve the methane production.

The present invention relates to a highly water-repellent silicon-based micro-nano powder filler and a preparation method thereof, comprising the following steps: first, siloxane monomer components are added to the reactor respectively; secondly, an aqueous solution of a hydrolysis medium, a water-carrying agent and a strong base catalyst is added in sequence, and then uniformly stirred and heated to react. After the reaction is completed, the temperature is continued to rise, and the amino-alkyl modified silicone resin is purified by vacuum distillation to obtain a amino-alkyl modified silicone resin. Subsequently, the amino-alkyl modified silicone resin, the modified epoxy resin and the nanoparticles according to a certain weight ratio are fully mixed and uniformly under a high-speed shear mixer, and then an emulsifier is added, and a stable emulsion system is prepared by reverse microemulsion polymerization, and a micro-nano powder filler is obtained after high-temperature ripening, suction filtration separation, washing, drying, grinding and sieving. The powder filler of the present invention has a static contact angle of up to 140° or more, and has excellent characteristics such as micro-nano structure, low surface energy and stable performance, and the reaction conditions are mild, energy-saving and environmentally friendly.

The utility model discloses a combined splicing type ecological bank protection structure which comprises square grids, bank protection stones and bank protection vegetation are filled in the square grids in a staggered mode, a plurality of square grids are laid on the slope surface of a bank slope and connected through connecting structures, and the surfaces of the square grids are covered with steel bar protection nets. The square grid is inserted into the bank slope through the consolidation piles; according to the ecological bank protection structure, the bank protection stone blocks and the bank protection vegetation are laid on the square grids, protection can be achieved through the bank protection stone blocks in the early stage, the protection effect can be achieved through the bank protection stone blocks and the bank protection vegetation in the later stage, and the ecological bank protection structure has the advantages of being high in stability, easy and convenient to construct, environmentally friendly and the like.

This utility model relates to the field of agricultural planting technology and discloses a zoned water supply device for multi-crop strip intercropping. It includes a water outlet pile, a first water supply component mounted on the outlet pile, and a second water supply component mounted on the outlet pile. The first water supply component includes a first connecting pipe, to which a solenoid valve is fixedly connected. This zoned water supply device for multi-crop strip intercropping receives real-time crop root zone moisture data monitored by a soil moisture meter via a controller. After analysis by a smart agriculture management platform, it independently controls the opening and closing of solenoid valves one and two, adjusting the water flow of the main wheat and corn water belts respectively. Simultaneously, based on the differentiated configuration of the first and second drip irrigation belts, combined with an upward-facing anti-clogging design, it achieves precise water and fertilizer supply to the wheat and corn belts, ensuring that each crop belt is irrigated as needed.

The invention relates to the field of agricultural ecology and the field of environmental protection, in particular to a biomass carbon material and a preparation method and application thereof.Biomass is treated, namely before pyrolysis, the biomass is soaked and stirred with absolute ethyl alcohol and rapidly evaporated at the temperature exceeding the boiling point of the absolute ethyl alcohol, and the biomass carbon material is obtained; after drying, ball-milling and mixing with an alkaline substance according to a certain proportion, and then carrying out high-temperature pyrolysis to achieve the effects of expanding a pore structure and reinforcing a carbon frame structure, so that the adsorption effect is improved.

This utility model discloses a pollution interception and purification device for river and lake ecological restoration, comprising: several sets of U-shaped seats and connecting seats installed in the river channel; adjacent U-shaped seats are connected by connecting seats; a purification slot is opened in the U-shaped opening of each U-shaped seat, and a purification plate for purifying river water is inserted into the purification slot. The purification medium of the purification plate includes a filter layer, a biological filler layer, and an adsorption layer; protective slots are opened on both sides of the purification slot in the U-shaped opening of each U-shaped seat, and protective plates for intercepting garbage and foreign objects in the river water are inserted into the protective slots. The protective plates are made of metal wire mesh. This multi-pronged approach overcomes the shortcomings of physical methods in dealing with dissolved and microbial pollution, achieving deep purification of water bodies and improving water quality.

The invention relates to the technical field of power synchronous control, in particular to an electrical equipment control cabinet for rice production and processing, which comprises a cabinet body, heat dissipation fins are distributed and fixed on two sides of the cabinet body at equal intervals, a cleaning assembly is arranged on the lower sides of the heat dissipation fins, and a cabinet door is hinged to the front end surface of the cabinet body. An adjusting mechanism is arranged on the upper end face of the cabinet body, a control module is fixedly connected into the cabinet body, and upper fans are symmetrically distributed on the upper end face of the cabinet body. According to the invention, the adjusting mechanism is designed to cooperate with the heat dissipation mechanism, and the position of the heat dissipation mechanism in the cabinet body can be accurately adjusted through the adjusting mechanism, so that air cooling is specifically improved for the control module with overtemperature, and the control module is prevented from being damaged or even stopped due to overhigh temperature; temperature sensors are arranged in the control modules in the cabinet body and connected with the control modules, and temperature information is transmitted and fed back to control the adjusting mechanism for adjustment.

The utility model relates to wastewater multistage filtering device, including the first filtering component for carrying out primary filtration to wastewater, the right -hand member of first filtering component is equipped with the second filtering component for carrying out fine filtration to wastewater, the right -hand member of second filtering component is equipped with the heat exchange component for carrying out waste heat recycling to the wastewater after filtering, first filtering component, second filtering component and heat exchange component intercommunication between them. The utility model discloses through first filtering component can carry out primary filtration and middle filtration to wastewater, through setting up second filtering component, can carry out fine filtration to the bathing wastewater after filtering through first filtering component with quartz sand filter material etc, thereby realizes multistage filtration to wastewater, and the filtering effect is better than traditional device, and through setting up heat exchange component, can make full use of the waste heat in bathing wastewater, can realize the secondary use to waste heat, thereby avoid causing the waste of heat in bathing wastewater, more energy -conserving environmental protection.

The invention discloses a preparation method of a bio-based nano-crystal cellulose super-smooth cotton fabric. The preparation method comprises the following steps: (1) modifying nano-crystal cellulose by adopting 3-mercaptopropyltriethoxysilane; (2) acetone and vinyl trimethoxy silane are mixed, concentrated hydrochloric acid and deionized water are dropwise added, stirring reflux is performed, and octavinyl octasilsesquioxane is prepared; (3) adding the modified nanocrystalline cellulose into a mixed solution containing dichloromethane, octavinyl octasilsesquioxane, pentaerythritol tetra-3-mercaptopropionate, vinyl-terminated polydimethylsiloxane and benzoin dimethyl ether, sealing the mixed solution, and irradiating the mixed solution with ultraviolet light; and (4) carrying out padding treatment on the cotton fabric by adopting the product in the step (3), and then carrying out pre-drying and high-temperature baking to obtain the bio-based nano-crystal cellulose super-smooth cotton fabric. The method disclosed by the invention is simple in process, relatively low in cost and environment-friendly, and the obtained super-smooth cotton fabric has excellent antifouling property, acid and alkali resistance, wear resistance and the like.

The invention discloses a numerical simulation-based method and system for rapidly predicting the concentration of nitric oxide in a hearth by using DT modeling, and relates to the field of the concentration of nitric oxide in the hearth. In the prior art, a method for measuring and calculating the concentration of nitric oxide in a hearth has the problems of insufficient precision, poor convergence, large calculation workload, incomplete models, low speed and low efficiency. The method comprises the following steps: collecting real-time or offline data, establishing a physical model of a boiler furnace by using numerical simulation software, performing simulation calculation, and then preprocessing and pre-analyzing the data. The DT modeling software is utilized to carry out machine learning prediction on the processed data, rapid prediction of the nitrogen oxide concentration under different working conditions is achieved, the system is achieved based on the method, and the system is further suitable for the field of monitoring of the nitrogen oxide concentration in the hearth.

The invention provides a double-channel baking-free brick making device which comprises an annular base, an annular rotating seat is rotationally connected to the annular base, the bottom face of the annular rotating seat is attached to the top face of the annular base, a plurality of green brick molds are detachably installed in the circumferential direction of the annular rotating seat, and pressing positions are arranged on the front side and the rear side of the annular base. The left side and the right side of the annular base are feeding positions, a pair of parallel chain conveying lines is installed below the front side and the rear side of the annular base respectively, green brick containing plates are consigned on the chain conveying lines, the chain conveying lines pass through pressing positions, and jacking assemblies capable of jacking the green brick containing plates are installed at the pressing positions. A pressing opening is formed in the bottom, corresponding to the pressing position, of the annular base and matched with the green brick containing plate and the green brick mold. According to the device, the two-channel conveying and mold circulating process is adopted, the pressing process and the feeding process can be synchronously carried out, efficiency is greatly improved, falling materials can be recycled, and the device is economical and environmentally friendly.

The utility model relates to tree supporting technology field, and disclose a kind of for urban ecological park transplanting tree supporting device, including semicircular arc fixed plate, fixed tube and supporting plate: the quantity of semicircular arc fixed plate is two, and two semicircular arc fixed plate can constitute a closed loop, and the both ends of semicircular arc fixed plate are fixedly connected with fixed lug plate.This kind of for urban ecological park transplanting tree supporting device, by the closed loop design cooperation of two semicircular arc fixed plate slidable adjustable fixed lug plate mechanism (sliding groove+slider+fastening stud), it can be flexibly adapted to the trunk of different breast diameter, its reinforcing rib effectively promotes the structural strength of fixed lug plate junction, avoid deformation;Fixed tube and scale mark telescopic rod sliding insertion are used, combined with the transverse sliding cooperation of plug-in rod and plug-in block and the synchronous locking of first and second fastening bolts, form three-dimensional adjustable support system, realize the accurate adjustment of height, orientation.

The invention discloses a mudstone ecological slope protection structure with a columnar geogrid base bed, which is used for a river channel with a flow rate of less than 4.0m / s, including a layer of block stones laid at intervals on the river channel slope, soil filled between the blocks, and a columnar geogrid base bed buried in the soil, and herbaceous plants planted in the soil, wherein the soil content is 50-60%. The advantages of the structure of the invention are: less block stone usage, less environmental impact, random arrangement of blocks, soil content between blocks can reach 60%, less block stone usage, and reducing the impact of block stone mining on the ecological environment. Good anti-scouring effect and low cost. The geogrid is buried in the soil in a columnar shape to form an embedded effect like a soil nail. The geogrid is entangled with the plant root system, and with the support of the block stone skeleton, the anti-scouring ability of the slope protection is significantly improved. Due to the low cost of the geogrid, the overall cost is not high. It can be applied to slope slope protection with a design flow rate of less than 4m / s.

The utility model discloses a silkworm rearing frame for growing silkworm rearing, which relates to the technical field of growing silkworm rearing and comprises a moving frame, one side of the moving frame is fixedly connected with a limiting sliding rod, the limiting sliding rod is slidably connected with a plurality of adjusting sliding sleeves, the adjusting sliding sleeves are fixedly connected with a rearing frame, a guard rail is fixedly connected above the rearing frame, and a sand receiving table is arranged below the rearing frame. The sand receiving table is provided with a scraping assembly used for cleaning silkworm excrement, the scraping assembly is matched with a sand collecting box, the sand collecting box is fixedly connected to one side of the lower portion of the sand receiving table, and the side, away from the adjusting sliding sleeve, of the feeding frame is provided with a lifting assembly used for lifting the feeding frame. The silkworm breeding device is high in adaptability, height adjustment is conducted on silkworms bred in multiple layers through mechanical driving, the living space of the silkworms is increased, ventilation and lighting are achieved, and the silkworm breeding device is suitable for silkworms of different sizes.