85results about How to "High economic value" patented technology

The utility model relates to a recovery device for improving the recovery value of EVA (Ethylene Vinyl Acetate) in a waste photovoltaic module, which effectively solves the problems that the existing waste photovoltaic module recovery system lacks effective utilization of tar and does not realize higher resource recovery economic value. According to the recovery device for improving the EVA recovery value in the waste photovoltaic module, macromolecular long-carbon-chain alkane or olefin generated by EVA pyrolysis can be catalytically cracked into short-carbon-chain molecules, high-value gasoline or kerosene is generated after cooling, and the economic value of EVA recovery is improved; meanwhile, catalytic cracking and pyrolysis are combined, high-temperature tar molecules generated by pyrolysis can be directly subjected to catalytic cracking, so that energy consumption required by catalytic cracking can be reduced, gas generated by pyrolysis and catalytic cracking enters a combustion furnace after being cooled, energy for maintaining the system is provided, the utilization value is improved, and the energy consumption is reduced. Therefore, high-value recycling of the waste EVA is achieved, resource waste is avoided, and development of the waste photovoltaic module recycling industry is promoted.

The utility model discloses a new type of plugging device of mine anchor cable, including base, the middle part of base is equipped with steel strand channel, the upper end part grouting pipe in steel strand channel, the outer sleeve of grouting pipe is equipped with the plugging pipe, and is equipped with the clearance channel for the slurry through between the outer wall of grouting pipe and the inner wall of plugging pipe, and the upper end part of plugging pipe is provided with the sealing ring outward, the inner wall of sealing ring is equipped with a section of inner recess cavity, and the inner recess cavity and plugging pipe constitute the plugging chamber between, the lower end part of base is equipped with the grouting channel that communicates with steel strand channel, and the upper end part of grouting channel is equipped with one -way channel, and the lower end end portion in steel strand channel is installed with the plugging sealing ring. The utility model has the comprehensive technology of grouting and plugging function, installs with the grouting function together with anchor cable under the condition of not changing the structural property of anchor cable, can reduce cost and has higher economic value, the modelling is exquisite, and the operation process is simplified, and the labor intensity of operating personnel is reduced.

This invention provides an automated testing device for UAV data links, including an industrial control computer, a display, a spectrum analyzer, a programmable DC power source, a programmable adjustable attenuator, a fixed attenuator I, a fixed attenuator II, a power divider I, a power divider II, an RF switch, a shielded box I, and a shielded box II. The software of the industrial control computer includes a system management module and an automated testing module. The advantages of this invention are: it uses general-purpose testing equipment, is based on a computer-automated program, and controls the settings of each testing device via a bus to simulate remote control, telemetry, image data transmission and reception, and bit error rate statistics; it achieves automated testing of core functional performance indicators of UAV data links such as power consumption, transmit power, spectrum, functionality, receiver sensitivity, bit error rate, and latency.

The present application relates to a PCBA carrier plate model generation method, system, electronic equipment and storage medium, the method comprises: obtaining basic data; the final clearance contour line of the to-be-tested panel is obtained based on the clearance contour line of all components on the to-be-tested panel and the PCBA outer contour line; the clearance depth of the to-be-tested panel is obtained based on the clearance depth of the components and the minimum clearance depth of the to-be-tested panel; the corresponding clearance groove is generated on the carrier plate based on the final clearance contour line of the to-be-tested panel, the clearance depth of the to-be-tested panel and the layout data of the to-be-tested panel; the second support area is obtained based on the final clearance contour line of the to-be-tested panel, the to-be-tested panel data and the layout data of the to-be-tested panel; the first plate surface support is generated on the carrier plate based on the second support area and the clearance depth of the to-be-tested panel; the radio frequency via, the handle position and the surrounding block slot are generated on the carrier plate, and the final carrier plate model is generated. The method improves the work efficiency and the accuracy of generating the carrier plate model, and saves the design cost for the enterprise.

The utility model discloses a kind of from production acid-base's concentrated seawater bromine extraction resource system, it is related to seawater resource technology field, including parallel coupling configuration's air blow method seawater bromine extraction system and bipolar membrane acid-base system;On the basis of seawater bromine extraction system using air blow method, introduce bipolar membrane electrodialysis as bypass system, handle part seawater, obtain the acid-base of satisfying production requirement concentration, use acid for subsequent seawater acidification process, alkali is used to neutralize the acidic bromine extraction mother liquor generated.The method does not affect the original seawater bromine extraction process under the premise, by adjusting the acid-base concentration and feed liquid treatment capacity of bipolar membrane acid-base system, both can satisfy seawater bromine extraction process system's acid-base use demand, also can produce economic value's acid-base product outside sale according to actual operation situation.In the realization of waste liquid standard discharge, reduce the demand of enterprise acid-base acquisition, can provide feasibility strategy for enterprise cost reduction and efficiency improvement.

This invention discloses a cockroach attractant and its application. The attractant is characterized by the inclusion of thiothiazole as a raw material. This cockroach attractant solves the problem of poor effectiveness of existing cockroach attractants by utilizing the synergistic effect of each component to form an enhanced cockroach attraction system, which greatly improves the attraction effect of cockroaches.

The present application relates to the technical field of plant breeding, and particularly relates to a molecular marker and application thereof in breeding soybean varieties with high oil content and high protein content. The molecular marker is constructed based on a SNP site; based on the genome version number Wm82.a2.v1, the SNP site is located at the 8th chromosome of soybean at the 9020004th position, and the polymorphism is T / A. The application comprises: (1) predicting or detecting the oil content or protein content of soybean; (2) identifying or breeding soybean varieties with high oil content or protein content; (3) molecular marker assisted breeding of soybean; (4) improvement of soybean varieties related to oil content or protein content; (5) improvement of soybean germplasm resources. The molecular marker provided by the present application has the characteristics of double trait synergistic correlation, strong specificity, efficient detection process and the like, and can be widely applied to the scenes of molecular marker assisted breeding of soybean, rapid evaluation of germplasm resources and the like, and provides key technical support for breeding of soybean varieties with double optimal traits.

The application provides a method for synthesizing branched aldehyde with high selectivity through a hydroformylation reaction. Through a simple two-step treatment method, only by changing one or more of the gas phase composition, temperature and pressure, the terminal olefin is isomerized into an internal olefin, and then the branched aldehyde product is synthesized with high selectivity through hydroformylation. The method uses a heterogeneous catalyst without phosphine ligand, is environment-friendly, and has the advantages of simple operation steps, cheap and easily available raw materials, and easy separation of the catalyst and the product.

The application discloses a litchi kernel extract, a preparation method thereof and a medicine for preventing and / or treating prostatitis, and is prepared from litchi kernels through the following steps of ethanol refluxing, concentrating, n-butanol extraction, macroporous resin adsorption and ethanol gradient elution. The litchi kernel extract can reduce the release level of inflammatory factors, treat prostatitis and provide a new idea and method for treating prostatitis.

This invention discloses a method for the comprehensive utilization of sulfide tailings, relating to the field of sulfide tailings treatment technology. This method uses lead-zinc tailings as raw material and innovatively employs a combined "two-stage acid leaching-gravity separation-flotation" process. First, two stages of acid leaching selectively leach calcite associated with barite in the tailings, reducing the influence of muddy calcite while activating pyrite. Subsequently, the acid leaching residue undergoes gravity separation to further separate undissolved calcite, quartz, and other silica-containing gangue minerals. The gravity concentrate is then subjected to flotation to achieve the separation of barite and pyrite, ultimately obtaining high-purity barite and pyrite products respectively. This invention features a reasonable process route and simple operation, effectively solving the separation problem of fine-grained, high-viscosity lead-zinc tailings, achieving full-component purification and utilization of lead-zinc tailings, significantly enhancing the economic value of tailings resources, and reducing the environmental pressure caused by tailings stockpiling, thus demonstrating good economic, environmental, and social benefits.

The application discloses a method for preparing lithium pre-doped amine coordination manganese iron phosphate precursor from lithium manganese iron phosphate, and belongs to the field of battery recycling. The method comprises the following steps: stirring and reacting lithium manganese iron phosphate battery material with a high-valence iron salt solution and a surfactant, and filtering to obtain filtrate and phosphorus iron residue; mixing the filtrate with a phosphate, adjusting the pH of the solution to 2-6, then mixing with an oxidizing agent A, and adding a mixed solution containing an organic amine compound to perform nucleation precipitation reaction, and aging to obtain the lithium pre-doped amine coordination manganese iron phosphate precursor. The application utilizes the surfactant and the high-valence iron salt to efficiently replace divalent iron under acid-free or weak acid conditions, generates a metal solution containing Li + , Fe 2+ , Mn 2+ , performs oxidation to form nucleation precipitation, adds an organic amine compound to control the morphology of the generated particles in the solution, generates the lithium-doped amine coordination manganese iron phosphate precursor, the reaction condition is mild, the energy consumption in the treatment process is low, and the economic utilization value of a manganese byproduct is improved.

The application discloses a tetrastigma hemsleyanum extract, a preparation method thereof and a medicine for preventing and treating thymic atrophy, and the tetrastigma hemsleyanum extract is prepared by the following steps: crushing dried tetrastigma hemsleyanum plants, extracting by ethanol reflux, and concentrating under reduced pressure to obtain a tetrastigma hemsleyanum crude extract; dissolving the tetrastigma hemsleyanum crude extract in water, extracting by n-butanol, and recovering the solvent to obtain the tetrastigma hemsleyanum extract. The tetrastigma hemsleyanum extract can obviously improve thymic atrophy and has a good anti-thymic atrophy effect, and therefore has great clinical significance and practical value for exploring a new method for preventing and / or treating thymic atrophy and expanding the application range of the tetrastigma hemsleyanum.

The invention provides a method and system for regenerating fibers from waste textiles, and relates to the technical field of textile equipment. The method comprises the following steps: firstly, slitting a waste textile raw material through a vertical crossing slitting unit to obtain a cloth piece with a preset size; then, auxiliary agent spraying and steam ageing treatment are carried out on the cloth pieces, so that cohesive force between fibers is reduced; then carrying out flexible pretreatment, gradually loosening a warp and weft yarn structure through a needling device, and carrying out preliminary opening; then, through the multi-stage opening and impurity removal step, the materials are converted into a single fiber state in combination with a material distribution mechanism; the fibers are atomized and humidified in the conveying or storage process so as to maintain the water content and the strength; then fully carding through a carding and fiber separating machine, and separating the single fibers into at least three types of long fibers, medium and short fibers and ultra-short fiber components according to the difference between the fiber length and aerodynamic characteristics; and finally, respectively collecting and packaging the fibers with different length components. According to the invention, high-valued cyclic utilization of the waste textiles is realized.

The invention provides a preparation method of a spherical padding for sintering a resistor disc of a lightning arrester, and belongs to the technical field of manufacturing of lightning arresters. The method comprises the following steps: firstly, preparing slurry by taking granulation waste as a raw material, and then preparing the spherical padding by virtue of a breakthrough titration forming process for the first time, so that the forming precision is high, the spherical quality is excellent, the use performance of the padding can be directly improved, the material structure is stable, the performance loss is low, and the original characteristics of the waste can be reserved to the greatest extent; the damage to the material performance in the preparation process is reduced. In addition, the preparation method provided by the invention is simple, the process is mature, and the use amount of additives is small, so that the production cost can be effectively reduced, and the economic value is relatively high.

The invention discloses a method for storing and releasing energy and obtaining geothermal energy through formation fractures of a non-communicated shaft. The method comprises the steps that an energy storage geothermal layer containing geothermal resources and not containing oil gas is recognized; high-pressure fluid is injected into a target shaft, so that a target artificial stratum fracture is generated, or a target original stratum fracture in a closed state in the target shaft in the energy storage geothermal layer is opened; normal-temperature high-pressure fluid is injected into the target wellbore, so that the width of the stratum fracture is increased, stratum rock is elastically deformed to store energy, and the fluid in the stratum fracture exchanges heat with the energy storage geothermal layer; when the width of the ground layer crack reaches the target width, the reverse exhaust pipeline is closed to enable the fluid to continuously exchange heat with the energy storage geothermal layer so that the fluid can store heat; and high-temperature and high-pressure fluid reversely discharged in the stratum fracture closing process is used for driving hydroelectric power generation equipment and geothermal power generation equipment to generate power, so that the obtained geothermal energy and the stratum rock elastic deformation energy are converted into electric energy to be released.

The invention relates to the technical field of plant growth regulation, and discloses a growth regulation composition for increasing peanut yield and improving peanut quality, the dosage form of the composition is a soluble concentrate, the effective components of the composition are aminobutyric acid and choline chloride, the weight ratio of the aminobutyric acid to the choline chloride is 5: 6, the composition is scientific and reasonable in matching, and the composition is suitable for large-scale production. The pesticide composition can obviously regulate the growth of peanuts, increase the pod number of plants, improve the hundred-kernel weight of peanuts, has obvious yield-increasing effect, can also improve the quality of peanuts and increase the protein content, fat content, oleic acid content and linoleic acid content of peanuts, has comprehensive effect, gives consideration to both pod increase and hundred-kernel weight increase, stable yield increase and quality improvement compared with a control agent, is safe to peanuts, and has wide application prospects. And the economic benefit is effectively improved.

The invention relates to a white flammulina velutipes F523 with the preservation number of GDMCC No.67335. The white flammulina velutipes F523 is high in biological efficiency, short in growth cycle and stable in strain cultivation character, can be stably inherited and is used for flammulina velutipes cultivation and breeding. The invention also relates to an identification method of the flammulina velutipes F523, which comprises the following steps: by taking the DNA of the flammulina velutipes mycelium to be detected as a template, carrying out PCR (Polymerase Chain Reaction) amplification by adopting the primer combination 1 and / or the primer combination 2, and detecting whether the amplification product has a band with a specific size so as to identify the F523. The screening method is simple to operate, and detection can be performed only by using mycelia; the detection time is only 2-3 hours, so that the breeding efficiency is improved, and the cost is greatly saved.

This invention provides a method for recovering silver from waste silver plating solution, belonging to the field of heavy metal industrial wastewater treatment technology. The invention involves adding sodium hypophosphite to waste silver plating solution containing complexed silver. After the sodium hypophosphite dissolves, the pH of the system is adjusted to alkaline. A reduction reaction is then carried out under heating conditions to generate elemental silver particles. This invention utilizes the in-situ generation of hydrogen free radicals from sodium hypophosphite under alkaline heating conditions to achieve direct reduction and complex breaking of stable silver nicotinic acid complexes and elemental silver conversion. This process is completed in one step, simplifying the traditional complex multi-step process of "oxidation-complex breaking-ion release-chemical precipitation" into a single reduction step, significantly shortening the treatment process and improving the reaction rate and treatment efficiency.

The invention discloses 1-(4-aminophenyl)-3-[(4-aminophenyl) carbamoylamino] urea as well as a preparation method and application thereof. The 1-(4-aminophenyl)-3-[(4-aminophenyl) carbamoylamino] urea product is obtained by reacting p-phenylenediamine and diethyl azodicarboxylate under the action of a catalyst. The method is simple in process, milder in reaction condition, easier to control, high in environmental protection property, low in danger coefficient, high in yield and more suitable for industrial application. The product can interact with carbon black to improve the dispersion of carbon black with high specific surface area, can react with carbon-carbon double bonds in natural rubber to form a stable cross-linked network, improves the anti-reversion performance of a rubber material, and has more important social significance and higher economic value.

The application discloses a kind of based on three-dimensional point cloud image's Pinus massoniana partial phenotypic parameter automatic measurement method. Three-dimensional point cloud image of Pinus massoniana plant under different viewing angles is collected;Pretreatment obtains the three-dimensional point cloud of Pinus massoniana plant;Registration is carried out to obtain fused point cloud;Extract the minimum spanning tree and the skeleton point of main stem, and then obtain the main stem point cloud and leaf point cloud;According to the minimum spanning tree, main stem point cloud and leaf point cloud processing obtain main stem length, Pinus massoniana ground diameter, average leaf length and leaf number.The method of the application can automatically identify Pinus massoniana plant in three-dimensional point cloud image, and complete the strategy of main diameter length, ground diameter, average leaf length, leaf length, improve the detection efficiency, realize high-precision, high-efficiency crop phenotypic data acquisition, achieve fast, low-cost crop phenotypic parameter accurate and nondestructive testing.

The application provides a saponin extraction method and relates to the technical field of natural product separation. The method comprises the following steps: extraction, water precipitation, resin adsorption, elution and decolorization treatment, active carbon decolorization and drying. The elution process comprises the following steps: first, washing with 0.1%-0.5% NaOH aqueous solution, then washing with water, finally, resolving with alcohol, and collecting the eluent of alcohol resolution; the volume ratio of the NaOH aqueous solution, water and alcohol is 1:7-8:2-3. The method extracts and separates active substances in the stems and leaves of Gypsophila oldhamiana Miq., and for the first time, saponin Rb1 and saponin Rd are separated and extracted from the stems and leaves of Gypsophila oldhamiana Miq., the total extraction content reaches 19.7%, and important basis is provided for the research on the active components of the stems and leaves of Gypsophila oldhamiana Miq.

The utility model belongs to the technical field of photovoltaic recovery, and particularly relates to a decomposition system suitable for a single-glass and double-glass type photovoltaic module. Comprising a stacking feeding machine, a first belt conveyor, a first cleaning machine, a first air dryer, a frame prying machine, a second belt conveyor, a first heating furnace, a first glass removing machine, an overturning machine, a second heating furnace, a second glass removing machine, a second cleaning machine, a second air dryer, a stainless steel mesh belt conveying belt, a third heating furnace, a back plate removing machine, a feeding machine and a cracking furnace which are sequentially and tightly arranged from left to right. Through reasonable layout and design, the waste crystal silicon photovoltaic module decomposition device can be suitable for intelligent automatic decomposition of waste crystal silicon photovoltaic modules, and is high in decomposition efficiency, good in decomposition effect and better in overall use.

The invention belongs to the technical field of medicine synthesis, and particularly relates to a method for preparing oxacillin sodium through an enzyme method. The method comprises the following steps: taking 6-APA and 5-methyl-3-phenylisoxazole-4-carboxylic acid methyl ester as raw materials, and adding immobilized penicillin G acylase for reaction to obtain an oxacillin sodium solution; and filtering, dialyzing, concentrating and crystallizing the oxacillin sodium solution to obtain the oxacillin sodium. The method has the advantages of mild reaction conditions, reduction of the generation of wastes, low production cost, accordance with a green production process, and very good industrialization value; and a nanofiltration membrane dialysis process is introduced into the post-treatment of the reaction liquid, so that the product quality control is better guaranteed.

The present application belongs to the technical field of metallurgy and mineral processing suspension fluidization roasting, and particularly relates to a system and process for producing nickel by coal-based roasting reduction electric furnace smelting of laterite nickel ore. The system comprises a feeding drying unit, a preheating drying and crushing unit, a heat supply heating unit, a coal-based pre-reduction unit, an electric furnace smelting waste heat recovery unit, a dust removal, powder conveying and desulfurization unit, and the laterite nickel ore is processed by the "dry powder crushing, coal suspension roasting, coal-based pre-reduction, and ore-smelting electric furnace" technology. The present application has strong adaptability to raw materials, can produce high-value products from cheap resources, and adopts multiple energy-saving technologies in the new process to greatly reduce energy consumption and realize efficient use of energy. The present application makes up for the limitations and deficiencies of the traditional RKEF process, can reduce process energy consumption, improve resource recovery rate, provides a new innovative breakthrough direction for efficient utilization of laterite nickel ore resources for smelting nickel-iron alloy, and can greatly improve the economic value of the development and utilization of such resources.

This invention discloses an exhaust gas burner, relating to the field of burner technology. The invention includes a base, a one-way pipe valve, an outer air duct, an exhaust gas combustion core, a combustion protection cover, and an auxiliary combustion core. The base includes a cylindrical section with vertically connected sections; a circular plate is fixed to the upper end of the cylinder; an internally threaded pipe is fixed through the center of the circular plate; a first flange is fixed to the lower end of the circular pipe; the output end of the one-way pipe valve is installed at the lower end of the internally threaded pipe inside the cylinder; the outer air duct is bolted to the upper end of the circular plate; the lower end of the exhaust gas combustion core mates with the inner wall of the outer air duct. Through the combination of the base, one-way pipe valve, outer air duct, exhaust gas combustion core, combustion protection cover, auxiliary combustion core, and igniter, the exhaust gas burns between the combustion protection cover and the auxiliary combustion core after ignition. During combustion, the auxiliary combustion core is at a high temperature, and the auxiliary combustion ring is red-hot. The combustible exhaust gas and oxygen undergo a strong oxidation reaction, effectively reducing the hazards caused by exhaust gas emissions.

This invention discloses a method and system for producing mesophase carbon microspheres. The method involves hydrogenating purified catalytic slurry, followed by separation to obtain light fraction, middle fraction, and tail oil. The middle fraction is divided into two streams: the first stream undergoes cracking, with the cracking products recycled; the second stream undergoes a first heat treatment, and the heat-treated product is pulverized to obtain a solid first feed stream, a first solvent, and silicone oil, which are then subjected to a second heat treatment. The resulting reaction product is then centrifuged, washed, and dried to obtain mesophase carbon microspheres. The production system includes a purification unit, a hydrogenation reaction unit, a gas-liquid separation unit, a fractionation unit, a cracking reaction unit, a first heat treatment unit, and a second heat treatment unit. This invention proposes an optimized approach to preparing mesophase carbon microsphere raw materials, yielding high-quality mesophase pitch raw materials and mesophase carbon microsphere products.

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.

The invention relates to the technical field of nylon materials, and particularly discloses a waste plastic-based recyclable high-value utilization nylon material which comprises the following components in parts by weight: 50-70 parts of nylon, 10-20 parts of a flexibilizer, 1-3 parts of a chain extender, 1-2 parts of a lubricant, 0.3-1 part of an initiator and 0.5-2 parts of other auxiliaries. The chain extender is selected from one or more of pentaerythritol-tri (cyclohexane-4-formate)-single long-chain fatty acid ester and 1, 3-bis (2-maleimidoethoxy) benzene-furan terminated anhydride, and the chain extender is selected from one or more of pentaerythritol-tri (cyclohexane-4-formate)-single long-chain fatty acid ester and 1, 3-bis (2-maleimidoethoxy) benzene-furan terminated anhydride; furthermore, the weight ratio of the pentaerythritol-tri (cyclohexane-4-carboxylate)-single long-chain fatty acid ester to the 1, 3-bis (2-maleimidoethoxy) benzene-furan terminated anhydride is 1: (2.5-5.0), and the weight ratio of the pentaerythritol-tri (cyclohexane-4-carboxylate)-single long-chain fatty acid ester to the 1, 3-bis (2-maleimidoethoxy) benzene-furan terminated anhydride is 1: (2.5-5.0). After the nylon material is recycled for 6 times, the mechanical property of the nylon material can still reach 50% or above of the original mechanical property, and the nylon material has a recyclable high-value utilization prospect.

The utility model discloses a simple fastener type steel pipe stair, relates to the technical field of building temporary stair, solves the problem of insufficient simple stair protection measures in prior art, difficult to use in the scene. A simple fastener type steel pipe stair, including a pair of parallel setting side guardrails on both sides, and the side guardrails are connected through the pedal between, the pedal both ends are equipped with pedal connecting piece, and the pedal connecting piece is connected with the side guardrail through double fastener. Through double fastener, the simple assembly and connection of stair are realized, and through setting up side guardrail, certain safety protection ability is realized. The utility model discloses the pedal connecting piece and double fastener are connected between the side guardrail and the pedal, and the connection mode is simple and quick, does not need professional tool and complex technology, greatly improves the installation and disassembly efficiency of stair, and is convenient for fast scene use between different construction sites, provides the convenience for construction personnel, saves construction time. Meanwhile, the design of detachable and reusable reduces the cost.

The application provides an inertial platform fault injection and testing method based on redundancy technology, aiming at an inertial platform accelerometer height measurement and altimeter combined error feedback compensation height measurement system adopting redundancy technology, four faults of platform noise interference fault, platform large interference torque fault signal, altimeter noise fault and altitude redundancy error feedback fault, adopting a time injection function mode, combining an inertial platform mechanical motion model, a direct current torque motor model and a gyroscope measurement model established by a transfer function method, organically combining the above faults and signals into a closed loop closed system, effectively simulating the altitude measurement output signal of the redundancy technology based on the fault state, thereby realizing the fault injection simulation of the inertial platform system and realizing the equivalent function of the testing system.