Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

29results about How to "Save land resources" patented technology

Underwater non-dispersible grouting material as well as preparation method and application thereof

The invention provides an underwater non-dispersible grouting material as well as a preparation method and application thereof, and relates to the technical field of constructional engineering. Specifically, the red mud concrete comprises the following components in parts by mass: 150-250 parts of red mud, 10-80 parts of Portland cement, 1-8 parts of an alkali activator, 3.5-10 parts of an anti-dispersing agent, 0.5-8 parts of a water reducing agent and a certain amount of water, wherein the alkali activator comprises biomass ash, tungstate, silicate, silica fume, arginine and inorganic alkali, and the anti-dispersing agent preferably comprises sodium alginate modified polyvinyl alcohol, a cellulose compound, stone powder and maltodextrin. The grouting material is obtained by recycling the red mud as a basic raw material, and has the advantages of excellent flowing state, excellent setting time, excellent compressive strength, better underwater dispersion resistance, better construction fluidity and better durability; the preparation process is simple, the performance is excellent, the environment-friendly effect is realized, and the application prospect is good.
Owner:GUIZHOU DR SHI TECH

A smart cold storage

The present invention discloses an intelligent cold storage, including an energy generation system, a cold storage system, a wind power adjustment system and a cold storage, wherein the energy generation system is respectively connected to a wind power generation device and a photovoltaic power generation device and a storage battery on a controller, the windmill of the wind power generation device is arranged on the top of the cold storage to obtain wind energy, and the photovoltaic components of the photovoltaic power generation device are arranged on the east-west direction of the outer wall of the cold storage to obtain solar energy; the cold storage system includes a cold storage plate arranged on the inner wall and inside of the cold storage, and a cold medium salt solution is arranged in the cold storage plate; the wind power adjustment system includes a DC fan arranged at the top of the cold storage, and the DC fan is connected to the controller to obtain power; the cold storage has a plurality of freezing chambers, and a freezing unit separated by a heat-insulating partition in each freezing chamber. The present invention provides an intelligent cold storage that makes full use of renewable energy and natural conditions, can generate electricity for use independently, improves the uniformity of internal airflow organization and the quality of stored food, and optimizes the internal structure.
Owner:JIANGSU XUEMEI REFRIGERATION EQUIP

Three-dimensional geothermal collecting and mining system based on hydrothermal type mine and well position arrangement method of three-dimensional geothermal collecting and mining system

According to the system, one end of a fixed extraction well is arranged on the ground, and the other end of the fixed extraction well extends to a geothermal reservoir; one end of the movable extraction well is arranged in a roadway of a stope face, and the other end extends to a geothermal reservoir; one end of the movable recharge well is arranged in a roadway of a stope face, and the other end extends to a geothermal reservoir; one end of the fixed extraction well and one end of the movable extraction well are connected to the heat exchange station through extraction pipelines, and the heat exchange station is connected to one end of the movable recharge well through a recharge pipeline; high-temperature water in the geothermal reservoir at the position of the stope face is conveyed to the heat exchange station through the extraction pipeline by the fixed extraction well and the movable extraction well, and low-temperature water in the heat exchange station is conveyed to the geothermal reservoir through the recharge pipeline and the movable recharge well. By adopting the distributed mining and irrigation arrangement, the occupied area needed by well site ground construction is reduced, and the utilization rate of underground geothermal resources is increased while the ground occupied area is effectively saved.
Owner:JIANGSU UNIV OF SCI & TECH +2

Multi-variety grafting management method for peach trees

The invention relates to the technical field of fruit tree cultivation, and particularly discloses a peach tree multi-variety grafting management method which comprises the following steps: step 1, wild hirsute peach pit cultivation and initial transplanting; step 2, grafting peaches of a first grade; step 3, transplanting and rod fixing; step 4, grafting peaches of a second grade; 5, artificially pollinating peaches of the first grade; and step 6, grafting peaches of third and fourth grades. The method has the advantages that the land utilization efficiency is improved, multiple varieties grow on the same tree, and land resources are effectively saved; fruit varieties are enriched, the requirements of the market for diversified fruits are met, and the product competitiveness is improved; 3, the picking period is prolonged: the mature periods of different varieties are staggered, and the picking and selling periods of fruits are prolonged; the ornamental value of fruit trees is increased due to coexistence of multiple varieties, and the method is suitable for sightseeing orchard construction.
Owner:SHANGHAI TIANDI SWEET FRUIT & VEGETABLE PROFESSIONAL COOP

Blasting simulation test device and method based on safety protection barrier test

ActiveCN117890556Bimprove accuracyAvoid inaccurate test results
The application discloses a blasting simulation test device based on a safety protection barrier test, which comprises a protection box, the top of the protection box is connected with a mounting cover, the top end of the protection box is provided with an observation window, the top end in the protection box is connected with an operation plate, the bottom end in the protection box is provided with a lifting mechanism, the bottom of the operation plate is fixedly connected with symmetrical supporting rods, the end portions of the two supporting rods are fixedly connected with supporting plates, the lifting mechanism is connected with the supporting plates, the first simulation buildings are fixed on the top center of the operation plate, and four first simulation buildings are equidistantly arranged around the first simulation building, when the blasting test is carried out, the vibration wave influence of the four first simulation buildings around the first simulation building can be observed through the blasting of the explosive agent in the first simulation building, the influence of the multiple first simulation buildings in the test can be obviously observed, the accuracy of the test is improved, and the situation that the test result is inaccurate due to the accidental situation of the single first simulation building is avoided.
Owner:XIAN AEROSPACE SHENZHOU ARCHITECTURAL DESIGN INST CO LTD

Gravity energy storage and CCUS-P2G coupled mining area integrated energy system optimization scheduling method

PendingCN121998328Aachieve recyclingSolve the greenhouse effect problemForecastingCarbon emission tradingIntegrated energy system
The invention discloses a mining area integrated energy system optimization scheduling method coupling gravity energy storage and CCUS-P2G. The method comprises the following steps: constructing a mining area integrated energy system architecture containing gravity energy storage and CCUS-P2G coupling; a vertical shaft type gravity energy storage device model is established, and mutual conversion between electric energy and gravitational potential energy is achieved through vertical displacement of a weight; establishing a CCUS-P2G coupling model, and synthesizing methane from carbon dioxide captured by a CCUS device and hydrogen generated by an electrolytic bath in the two-stage P2G in a methane reactor; a mixing gas turbine model is established, methane generated according to the CCUS-P2G coupling model is mixed with gas in coal bed gas in the mining area, and gas meeting the combustion concentration requirement of a gas turbine is obtained; a system optimization scheduling model considering a stepped carbon transaction mechanism is constructed, and solving is carried out on the premise that system power balance constraints are met by taking the minimum total cost of the system as an objective function. The defects that in the prior art, the utilization rate of mining area associated energy is low, waste mine resources are wasted, and a single energy system cannot give consideration to low carbon and economical efficiency at the same time are overcome to a certain extent.
Owner:KUNMING UNIV OF SCI & TECH

Two-effect energy-saving ammonia distillation system for kitchen waste anaerobic liquid

The invention discloses a two-effect energy-saving ammonia distillation system for kitchen waste anaerobic liquid. The two-effect energy-saving ammonia distillation system comprises a first-effect heat exchanger, a first-effect ammonia distillation tower, a first-effect separation tank, a second-effect heater, a second-effect ammonia distillation tower, a second-effect heat exchanger, a second-effect separation tank, an ammonia recovery device, a cooler, an absorption ejector and a second-effect condenser, the first-effect heat exchanger is connected with the first-effect ammonia still and is used for heat exchange and feeding; a top outlet of the first-effect ammonia still is connected with the second-effect heater, the second-effect heater is connected with the first-effect separating tank, the first-effect separating tank is connected with the first-effect ammonia still, the second-effect heat exchanger is connected with the second-effect ammonia still, and outlets of the second-effect heater and the second-effect ammonia still converge and are jointly connected with the second-effect condenser. The second-effect condenser is connected with a second-effect separation tank, and the first-effect separation tank and the second-effect separation tank are connected with an absorption ejector at the same time. The problems that an existing ammonia still cannot effectively improve the production efficiency and cannot effectively guarantee reduction of energy consumption are solved.
Owner:WUXI MASHENG ENVIRONMENT ENERGY TECH CO LTD

A method and device for optimizing the shape of a right-angle turning slope in a dump

The present invention provides a method and device for optimizing the shape of a right-angle turn type slope of a spoil dump, which relates to the technical field of optimization of the shape of the spoil dump slope, including: setting a conical slope at the turn, and constructing a slope model to be optimized with the angle between the connecting surface of the conical slope and the straight slopes on both sides as the optimization variable; constructing a total active earth pressure calculation model on the connecting surface in combination with a preset earth pressure theory; determining a first component force calculation model of the first total active earth pressure in the direction of the free surface of the first slope and a second component force calculation model of the second total active earth pressure in the direction of the free surface of the conical slope; with the goal of maximizing the slope safety factor, determining the target angle between the connecting surfaces based on the first component force calculation model and the second component force calculation model, that is, obtaining the optimal value of the angle between the connecting surface of the conical slope and the straight slopes on both sides. Therefore, the shape optimization of the right-angle turn type slope by the method of the present invention can effectively improve the overall stability of the spoil dump slope.
Owner:CHINA UNIV OF MINING & TECH (BEIJING)

Efficient artificial propagation method of dendrobium officinale

ActiveCN118749425BOvercome the difficulty of not being able to carry out production on an annual basissave land resourcesBiotechnologyOrganogenesis
The present application belongs to the technical field of plant induced regeneration, and particularly relates to a high-efficiency artificial propagation method of Dendrobium candidum, comprising the following steps: taking two-year-old stem segments with nodes as materials, cutting the stem segments into appropriate sizes, and disinfecting the stem segments; and culturing the stem segments in a culture medium A for 90 days, and then completing the proliferation and rooting integration through a direct organogenesis route. The present application realizes the cyclic production of Dendrobium candidum, and the whole culture process can be completed only by using one culture medium, greatly improving the artificial in-vitro propagation efficiency, and the proliferation coefficient is completely comparable to the seed asymbiotic germination method, and the problems of large offspring trait separation and different qualities caused by the seed asymbiotic germination are solved, and the quality and yield of seedlings are greatly improved. The present application can provide a brand-new technical support for the factory-scale growth of Dendrobium candidum, so as to achieve the purpose of cultivating seedlings with genetic stability and excellent quality to improve the artificial planting efficiency, and the cost is low, the cycle is short, and the quality and survival rate of seedlings are high.
Owner:YUNNAN UNIVERSITY OF CHINESE MEDICINE

Intensive Combined Layout Structure of Noise Reduction Frame and Circulating Water Pipe Foundation for Thermal Power Plant

ActiveCN224432133Ufix workAvoid the risk of buckling deformation or even damageCooling towerPower station
This utility model relates to the field of design optimization technology for noise reduction frame foundations and circulating water pipe foundations in thermal power plants. It aims to solve the problem in existing technologies where, in thermal power plants, mechanical ventilation cooling towers, heavy-duty roads, and the main plant building are arranged adjacent to each other, and the space for circulating water pipes is limited due to land constraints. Furthermore, when these pipes are placed within the load-bearing area of ​​heavy-duty roads, the heavy vehicle loads can cause the circulating water pipes to buckle and deform, affecting their normal operation. The utility model provides a compact, combined arrangement structure for noise reduction frames and circulating water pipe foundations in thermal power plants. This structure includes a noise reduction frame arranged outside the mechanical ventilation cooling tower, a circulating water pipe arranged below the noise reduction frame, and a circulating water pipe foundation arranged below the circulating water pipe. A support frame is provided above the circulating water pipe foundation, and the circulating water pipe is arranged within the support frame and supported on the foundation. The noise reduction frame is located above the support frame and supported on it.
Owner:SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP

Environment-friendly recycled asphalt mixture and preparation method thereof

PendingCN119613017Alow costReduce additional costsSolid waste managementSocial benefitsLand resources
The invention relates to the technical field of waste asphalt regeneration, and discloses an environment-friendly recycled asphalt mixture and a preparation method thereof.The recycled asphalt mixture is prepared from, by weight, 30-50 parts of recycled aggregate, 40-60 parts of new aggregate, 3-7 parts of regenerant, 3-6 parts of matrix asphalt and 1-5 parts of waste oil, and the regenerant is prepared from 65-85% of oil component and 1-5% of stabilizer component; 2-6% of a plasticizer component and 15-35% of waste plastic powder. According to the environment-friendly recycled asphalt mixture and the preparation method thereof, a hot mix plant recycling technology is applied, and the waste asphalt mixture is circularly applied, so that the problem of environmental pollution of the waste asphalt mixture is solved, stone resources and land resources are saved, meanwhile, investment is saved, the construction cost is reduced, energy conservation and emission reduction are facilitated, and the environment-friendly recycled asphalt mixture is suitable for industrial production. And the method has obvious social benefits.
Owner:SHANDONG EXPRESSWAY WEIHAI MAINTENANCE TECHNOLOGY CO LTD

Maintenance system for precast beam yard

PendingCN119635814ASolve the problem of spray-only maintenanceAvoid labor intensityCeramic shaping apparatusControl systemMechanical engineering
The invention discloses a maintenance system for a precast beam yard. The maintenance system comprises a sedimentation reservoir group, a plurality of pedestals, a water supply pipeline, a steam supply pipeline, a maintenance shed and a centralized control system, the precipitation reservoir group is connected with an external water supply system and overground drainage of the maintenance area and stores the drainage after precipitating and filtering the drainage, and the beam storage area is arranged on the ground above the precipitation reservoir group. Two ends of the water supply pipeline are respectively connected with the sedimentation reservoir group and the pedestals, and two ends of the steam supply pipeline are respectively connected with the water supply pipeline and the pedestals. The centralized control system is used for controlling the water supply pipeline or the steam supply pipeline to be opened according to requirements so that the corresponding maintenance water or the high-temperature steam can enter the corresponding pedestals, and the pedestals are used for evenly spraying the entering maintenance water or the high-temperature steam outwards to the precast beams supported on the pedestals. And the curing shed is used for covering the corresponding pedestal when high-temperature steam is sprayed. According to the system, high-temperature steam and curing shed curing can be adopted in winter, spraying curing is adopted in other seasons, and the curing effect in the whole period of beam manufacturing is ensured.
Owner:CCFEB CIVIL ENG

A vertical layered underground mausoleum system

PendingCN122649631Asave land resourceslow cost
The application discloses a vertical layered underground cemetery system, and relates to the technical field of funeral facilities, which comprises two parts of an overground landscape area and an underground space group. The underground space group is constructed based on an independent hill, and the structure comprises an entrance structure, a hub structure and an auxiliary exit. The entrance structure comprises a main entrance door and the auxiliary exit arranged at the bottom of the independent hill. The auxiliary exit is connected with the inside through a material conveying flat roadway. The hub structure is connected and reached through a pedestrian flat roadway extending inward from the main entrance door. The hub structure comprises a central court. Through a large-scale and centralized construction and operation mode, the cost of single-hole burial is significantly reduced, and the public is provided with affordable burial options.
Owner:李学恒

Method for raising seedlings of cubilose fruits by grafting

The invention discloses a cubilose fruit grafting seedling raising method, and belongs to the technical field of fruit tree cultivation. The method comprises six aspects of stock planting field establishment, stock seedling raising, stock water and fertilizer management, grafting, grafted seedling water and fertilizer management and grafted seedling field management. A special cutter tool for cubilose fruit grafting is adopted, an L-shaped section can be formed, the section is smooth and good in integrating degree, and the grafting survival rate and the grafting efficiency can be improved. According to the invention, the seedling raising grids are used for stock seedling raising, so that the seedling raising cost can be saved, and the space utilization rate can be improved. According to the method, the thorn-free huanglong and the argentodoxa cuneata are adopted as the stocks, the root systems are developed, the morbidity of root-knot nematodes can be reduced, the grafting survival rate and the growth vigor are improved, and meanwhile the canker resistance of plants is improved; the quality of the rootstock is guaranteed, the grafting growth vigor is improved, bud germination is promoted, and fruit bearing is carried out in advance by optimizing the length, the period and the number of bud points of the rootstock.
Owner:SOUTH ASIAN TROPICAL AGRI SCI RES INST OF GUANGXI

Hidden gallery burial structure with sliding door structure

The utility model relates to the technical field of tomb products, in particular to a hidden type gallery burial structure with a sliding door structure, which comprises a gallery burial wall, at least one hole burial space is formed in the gallery burial wall, the hole burial space is distributed in a multi-layer and multi-format mode, and the hole burial space is used for placing tomb boxes; the sliding door comprises a door leaf, a sliding rail, a tackle and a corner, the top of the door leaf is installed on the sliding rail through the tackle, the bottom of the door leaf is installed on the sliding rail through the corner, the sliding rail is embedded into the gallery burial wall, and the door leaf is pushed to be opened along the sliding rail to expose the cave hiding space or closed to shield the cave hiding space. According to the utility model, the cave burying spaces are distributed on the gallery burying wall in a multi-layer and multi-format manner, so that land resources can be saved, and meanwhile, the cave burying spaces are shielded when the sliding doors are closed, so that the gallery is a hidden landscape gallery for passersby; and when the family members of the departed saint worship, the sliding door can be opened to expose the cave hiding space for sacrifice, so that a more hidden and private gallery burial product is provided for people.
Owner:SHANGHAI QINGZHUYUANMUYUAN CO LTD

Method for preparing ceramsite from tailings obtained after iron extraction of red mud

The invention discloses a method for preparing ceramsite by using tailings after iron extraction of red mud, which comprises the following steps: 1, separating elemental iron and tailings after iron extraction of red mud: after deep reduction of red mud, melting the red mud raw material at a high temperature of 1500-1700 DEG C, and separating liquid elemental iron and molten tailings; according to the method for preparing the ceramsite from the tailings obtained after iron extraction of the red mud, full-process resource utilization of the red mud from iron extraction to preparation of the ceramsite from the tailings is achieved, the traditional stacking or landfill treatment mode of the tailings obtained after iron extraction of the red mud is changed, a large number of land resources are saved, potential hazards to the environment are avoided, and the method is suitable for industrial production. According to the method, the tailings obtained after iron is extracted from the red mud are converted into ceramsite with economic value, so that the red mud is fully utilized, the pressure of solid waste on the environment is reduced, the comprehensive utilization rate of resources is improved, a benign resource circulation system is formed, and sustainable development is promoted.
Owner:ZHENGZHOU CARBON TECHNOLOGY CO LTD

Efficient apple breeding method for improving flowering gene expression quantity and endogenous hormone content based on multi-trunk grafting

PendingCN119586536Asave landsave land resourcesGraftingCultivating equipmentsBiotechnologyFruit tree
The invention relates to a fruit tree breeding method, in particular to an efficient apple breeding method for improving flowering gene expression quantity and endogenous hormone content based on multi-trunk grafting, and belongs to the technical field of agriculture. According to the method, the dwarf rootstock capable of being subjected to multi-main-head grafting is cultivated, and hybrid seedling grafting and cultivation are carried out, so that the number of seedlings cultivated in unit land area is remarkably increased, the juvenile phase is effectively shortened, and the breeding efficiency is remarkably improved. By means of the method, a large amount of land can be saved, the breeding period can be effectively shortened, the juvenile phase of hybrid seedlings obtained through a conventional method is 7 years, the juvenile phase of hybrid seedlings obtained through the method is 4 years, and the total breeding period is shortened by 3 years. The rootstock used in the method is the same as the dwarfing rootstock used in production, so that different strains are the same as the rootstock and scion combination in actual production in the variety breeding stage, and the results and growth conditions which are the same as those in production can be shown; and the subsequent stock-scion combination evaluation work of the new variety is reduced.
Owner:SHANDONG INST OF POMOLOGY

A device for efficiently converting renewable deep space energy into cooling, heating and power supply

The invention discloses a device for efficiently converting renewable deep space energy into cooling, heating and power supply, comprising a solar energy conversion device, a radiation cooling device, a rotating bracket, an inclination adjustment component and a supporting base; the solar energy conversion device and the radiation cooling device are connected to the rotating bracket in a mutually perpendicular manner, the rotating bracket is connected to the inclination adjustment component, and the inclination adjustment component is connected to the supporting base; the inclination adjustment component is used to adjust the inclination angle between the rotating bracket and the ground plane, and the rotating bracket is used to drive the solar energy conversion device and the radiation cooling device to rotate, so that the sun-facing surface of the solar energy conversion device is always perpendicular to the sun's irradiation light, and the reflective surface of the radiation cooling device is always parallel to the sun's irradiation light. The invention can realize the high-efficiency conversion and simultaneous superposition utilization of two deep space energies, solar energy and radiation energy, in the same area, greatly improving the energy utilization rate and energy density per unit area, and saving a large amount of land resources and space.
Owner:GUANGZHOU INST OF ENERGY CONVERSION CHINESE ACAD OF SCI

A method for parentage identification of prunus plant

The application discloses a parent-offspring identification primer group and method of Prunus. The parent-offspring identification primer group of Prunus disclosed by the application is composed of 30 single-stranded DNAs shown in sequence 1 to sequence 30 in a sequence list. The primer group and method of the application can identify the genetic relationship of Prunus armeniaca, Prunus dulcis and their offspring, establish a parent-offspring identification system, and are simple to operate. The primer group and method of the application can quickly obtain genetic information of Prunus parents and offspring and determine the source of the offspring, can early determine and retain hybrid offspring between Prunus armeniaca and Prunus dulcis at the seedling stage, which is beneficial to quickly determine the true outcrossing seedling at the seedling stage, thereby removing hybrid offspring caused by natural pollination and eliminating the hybrid offspring at the seedling stage, so as to save land resources, reduce the identification cost in the later period, speed up the breeding process, and also provide a reference for parent-offspring identification of other fruit plants.
Owner:BEIJING ACADEMY OF AGRICULTURE & FORESTRY SCIENCES

A modular loess-based modified filler landscape pond water purification system

ActiveCN111410321BImprove the processing environmentsave land resourcesSustainable biological treatmentBiological water/sewage treatment
The present invention relates to a modular loess-based modified filler landscape pond water purification system, which comprises a baffle pretreatment pool and a landscape pond buried underground, and an automatic control system operating cabinet placed on the ground. A detachable tempered glass viewing gallery is laid on the baffle pretreatment pool and the landscape pond; a water inlet pipe is provided on one side of the baffle pretreatment pool, and the pool body is divided into three compartments by a folding plate, and a semi-soft filler is added in the third compartment, and the third compartment is connected to the landscape pond; a drainage pipe is provided on the upper part of one side of the landscape pond, and a mud discharge pipe connected to a sludge pump is provided on the lower part, and four compartments are provided therein; a landscape pond matrix, submerged plants and an air distribution pipe are provided at the bottom of the landscape pond; a microporous aeration disk is provided on the air distribution pipe; a loess-based modified filler is provided in the middle of the landscape pond; a constant temperature control device and floating plants are provided on the upper part of the landscape pond; the sludge pump and the constant temperature control device are respectively connected to the automatic control system operating cabinet. The present invention is simple to operate, low in cost and good in treatment effect.
Owner:喀什大学 +1

A new type of tower with double circuits

ActiveCN224742114USolve the problem of divided steeringsave land resources
The utility model provides a double circuit novel tower, including tower body and cross arm structure, the cross arm structure is cross -shaped arrangement, including front cross arm and rear cross arm, the front cross arm length is shorter than rear cross arm, is used for wire jumper to wind around and connects to realize big angle corner, the utility model discloses can realize the effect of reducing engineering cost and realizing single base tower to complete big angle corner.
Owner:FUZHOU ONE SUN POWER CONSULTING

A multi-stage sand trap irrigation channel system

ActiveCN224717042Ureduce sedimentationExtended service life
The utility model relates to silt treatment technical field, concretely relates to a multistage sand arresting dam irrigation canal system. The utility model discloses main inlet channel, first branch canal, second branch canal, is equipped with the shunt pool between main inlet channel and first branch canal, and there is connecting underground passage between first branch canal and second branch canal. Each level channel is T type, and is equipped with the sand arresting overflow dam of height gradually reducing and the sand discharge gate of diameter gradually reducing respectively. The bottom of shunt pool is 3 degree inclination inclined plane, and is connected with first branch canal through shunt gate. The system can effectively reduce downstream channel silt accumulation through multistage sand arresting overflow dam step by step intercepting silt, discharging again through sand discharge gate, has the advantages such as good sand arresting effect, low engineering cost, low maintenance cost, wide application range, can solve the silt problem of high fine sand containing water irrigation channel, guarantees agricultural irrigation stability.
Owner:TARIM UNIV

High-efficiency artificial propagation method of jixiang grass

ActiveCN118786918BOvercome the difficulty of annual productionsave land resourcesPlant tissue cultureHorticulture methodsSeedlingRhizome
The present application relates to the technical field of plant induced regeneration, and particularly relates to a high-efficiency artificial propagation method of jixiang grass, comprising the following steps: cutting the year-old stem with bud roots after sterilization treatment into about 0.5*0.5cm, and inoculating the stem with bud roots into culture medium A; cutting the stem with bud roots in the culture medium A to 1.5-2.0cm high with petiole, and transferring the stem with 3-4 leaf blades into culture medium B for culture for 60 days; cutting the cluster culture in the culture medium B into 1.0*1.0cm with 2-4 leaf blades reserved and cut to 1.5-2.0cm high, and transferring a single plant into culture medium C; when the test tube seedling is as high as 8-10cm, and the seedling is strong and thick, the test tube seedling is taken out and transferred into a substrate for culture, and the survival rate is 100% after 60 days. The present application realizes high-efficiency occurrence of the jixiang grass stem cluster buds, and the whole culture process can be completed only by two culture media except for the ex-plant starting culture, so that the artificial in-vitro propagation efficiency is greatly improved, the cost is low, the cycle is short, the seedling quality and survival rate are high, and technical support can be provided for factory scale growth.
Owner:YUNNAN UNIVERSITY OF CHINESE MEDICINE

A phosphate rock powder briquetting roasting system and method

ActiveCN118125398BSolve wasteRealize resource reusePhosphorus compoundsMining engineeringPhosphorite
This invention discloses a phosphate rock powder briquetting and roasting system and method. The system includes a batching subsystem, a roller pressing subsystem, a sieve distribution subsystem, a roasting and cooling subsystem, a finished product sieve molecular system, and a hot air circulation subsystem. This invention solves the problem of resource waste caused by the inability to reuse phosphate rock powder in existing phosphate rock processing, and the problem of land resource waste caused by the large-scale stockpiling of phosphate rock powder. It realizes the resource reuse of phosphate rock powder and greatly saves land resources. Simultaneously, the prepared lump ore product has high quality and strength, is convenient for subsequent transportation, and has strong transportability; the lump ore product has low moisture content and low carbonate content, effectively reducing the power consumption of subsequent lump ore phosphorus production and improving phosphorus purity.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

Multi-loop narrow-base power transmission tower

The utility model discloses a multi-loop narrow-base power transmission tower which comprises a tower body, and the tower body comprises a tower body with a space frame structure and tower legs arranged at the bottom of the tower body. The top ends of the reinforcing beams are connected to the tower body, the bottom ends of the reinforcing beams are connected to the tower legs, the top ends of the reinforcing beams are converged at one point, and the bottom ends of the reinforcing beams are radially diffused in the direction away from the axis of the tower body; by changing the tower body structure and adjusting the proportion of the iron tower root distance to the tower height, the occupied area of the steel tube tower is reduced, the problems that a conventional iron tower is large in occupied area and large in material consumption are effectively solved, the width of a line corridor is reduced, and therefore land resources and steel resources are saved, demolition and vegetation damage are reduced, and the construction cost is reduced. And resource saving and environmental protection are facilitated.
Owner:CONSTR BRANCH CHONGQING ELECTRIC POWER

Double-dehumidification selenium-rich sea salt preparation system based on three-dimensional greenhouse

The invention discloses a double-dehumidification selenium-rich sea salt preparation system based on a three-dimensional greenhouse, which comprises a pump room, a sedimentation tank, a filter tank, a flocculation tank, a disinfection tank, a three-dimensional greenhouse, a leaching area, a processing room, a selenium element adding area and a packaging room, seawater sequentially passes through the sedimentation tank, the filter tank and the flocculation tank to be subjected to multi-stage impurity removal and purification and then enters the disinfection tank to be disinfected, a primary evaporation tank, an intermediate evaporation tank and an advanced evaporation tank are arranged in the three-dimensional greenhouse, and salt blocks processed by the three-dimensional greenhouse enter the leaching area to be leached and then enter the processing room to be dried and smashed. Adding trace elements into the prepared fine salt in a selenium element adding area, and packaging in a subsequent packaging room. The selenium-rich sea salt preparation system is based on the three-dimensional greenhouse, the overall performance is stable and reliable, the salt preparation efficiency can be greatly improved, the selenium element dosage meeting the daily needs of the human body can be effectively added, and the selenium-rich sea salt preparation system has wide application prospects and huge economic value.
Owner:雷维运

Hydrogenation energy station for purifying hydrogen-doped natural gas by using multi-stage membrane separation method

ActiveCN117165345Bavoid wastingDiversified service itemsHydrogenBatteries circuit arrangementsHydrogen fuel cellPv generation
The application discloses a hydrogen-doped natural gas purifying hydrogen energy station by using a multistage membrane separation method, and belongs to the technical field of hydrogen purification. The hydrogen-doped natural gas purifying hydrogen energy station solves the problem that it is difficult to purify hydrogen-doped natural gas to obtain standard hydrogen gas required by a hydrogen fuel cell in the prior art. The multistage membrane separation method purifying system is connected with a town hydrogen-doped natural gas pipe network. The permeation side of the multistage membrane separation method purifying system is sequentially connected with a hydrogen gas compression unit, a hydrogen gas storage unit and a hydrogenation area. An intelligent control system comprises a controller and a visual screen. The controller is used for controlling the multistage membrane separation method purifying system, and the visual screen is used for displaying the operation condition of the hydrogen energy station. The hydrogen energy station can be applied to different pressure levels of hydrogen-doped natural gas pipes to extract hydrogen gas for gas supply and energy supply.
Owner:CHINA UNIV OF PETROLEUM (EAST CHINA)

Lightning protection structure of energy storage battery cabin

The utility model relates to the field of lightning protection of energy storage battery cabins, in particular to a lightning protection structure of an energy storage battery cabin, which comprises a battery cabin main body, a lightning strip is covered outside the battery cabin main body, the lightning strip is connected with the battery cabin main body through an insulating part, and the lightning strip is connected with a main grounding grid. The lightning protection structure of the energy storage battery cabin is simple in construction, saves materials and land resources, and has remarkable economic and social benefits.
Owner:FUZHOU ONE SUN POWER CONSULTING