111results about How to "High economic value" patented technology

The invention relates to the technical field of non-ferrous metal resource recycling, in particular to an efficient lead and silver chemical separation method. The invention discloses an efficient lead and silver chemical separation method. The method comprises the following steps of acid solution leaching treatment, silver extraction agent extraction treatment, reducing agent reduction treatment, alkali solution dissolution treatment and precipitating agent or oxidizing agent precipitation treatment. According to the efficient lead and silver chemical separation method, copper, zinc, iron and other metals in the lead and silver residues are leached into the solution through the acid solution, then lead is leached into the solution through the alkali solution, efficient separation of lead and silver is achieved, the lead and silver separation efficiency can reach 90% or above, the lead and silver are made into corresponding products, the purity of the lead and silver products is high, the economic value is high, and the method is suitable for industrial production. And secondary pollution is avoided, the application range is wide, various lead-containing materials can be treated, resource waste is reduced, energy consumption is low, and the method is suitable for large-scale production.

The utility model discloses an intelligent annual ring width measuring device, and belongs to the technical field of forestry. Comprising a sliding table module; the objective table is arranged on the sliding table module; the microscope assembly is located at the top of the objective table, and the microscope assembly captures a high-definition image of the tree core sample and transmits the high-definition image to the computer for image processing and analysis; and the laser range finder is mounted at one end of the sliding table module and is used for measuring the moving distance of the objective table. The utility model further discloses an intelligent annual ring width measuring system which comprises the intelligent annual ring width measuring device. The high-definition image, captured by the microscope assembly, of the tree core sample is transmitted to the computer, and annual ring information of the image is collected, processed and stored through the data processing module; and the data analysis module is used for realizing analysis and control of the annual ring information. Through the measuring device and the measuring system, the tree ring information can be accurately and quickly obtained, the working intensity and the operation complexity are reduced, and the analysis precision and efficiency are improved.

The invention discloses application of an anaerobic baffle plate-microbial electrolysis-constructed wetland coupling process in the aspect of rural domestic sewage treatment. The principle is based on a novel volatile fatty acid (VFAs) comprehensive utilization technology. The anaerobic baffle plate-microbial electrolysis-constructed wetland coupling process is mainly composed of a four-compartment anaerobic baffle plate reactor and a multi-section multi-stage microbial electrolysis and horizontal subsurface flow type constructed wetland coupling reactor, and the specific working process is as follows: (1) rural domestic sewage is used as inlet water, firstly enters the anaerobic baffle plate reactor and then enters the horizontal subsurface flow type constructed wetland coupling reactor; carrying out anaerobic hydrolysis to produce VFAs and gas production reaction; (2) starting a microbial electrolysis-constructed wetland coupling reactor; and (3) respectively introducing effluent and produced gas of the anaerobic baffled reactor into a microbial electrolysis-constructed wetland coupling reactor, integrally regulating and controlling the structure and activity of a microbial community, efficiently degrading VFAs into CO2 and CH4, and simultaneously removing nitrogen and phosphorus pollutants, thereby realizing the recycling of sewage treatment.

The application discloses a titanium-based cast iron release agent, which comprises a base and water, and the base is composed of raw materials with the following mass percentages: 20-80% of silicon-based raw materials and 20-80% of titanium-based raw materials; the titanium-based raw materials are flue dust removal ash generated in the electric furnace process of high-titanium slag smelting. The application uses the flue dust removal ash generated in the electric furnace process of high-titanium slag smelting as a titanium raw material to prepare the titanium-based cast iron release agent, realizes the resource recycling of the flue dust removal ash, reduces the pollution to the environment, and improves the economic value; meanwhile, all preparation processes are carried out under normal temperature and pressure conditions, no additional energy is required, and when the titanium-based cast iron release agent is applied to a cast iron machine mold, the surface of the cast iron block can be ensured to be smooth and easy to release.

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 invention relates to a novel viscose fiber spinning method, and relates to the technical field of viscose fibers. The non-acidic coagulating bath is mainly composed of at least one of sodium salts. The viscose stock solution does not release hydrogen sulfide and carbon disulfide during non-acid coagulating bath spinning forming, spinning station workers and the atmospheric environment are friendly, sodium bicarbonate consumed by fiber forming can be prepared by reacting carbon dioxide with sodium carbonate, the production cost of chemical raw materials is low, the byproduct sodium carbonate generated in a coagulating bath is higher in economic value, and the production cost is low. And the fibers are uniformly formed, the orientation degree is higher, and the dimensional stability is better.

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.

The invention relates to an impurity removal method for a hydrochloric acid leaching solution containing magnesium minerals, in particular to a method for removing nickel from the hydrochloric acid leaching solution containing the magnesium minerals under high magnesium concentration. According to the method for removing the nickel impurities through the coprecipitation method when the magnesium concentration is high (larger than 50 g / L), the nickel removal effect is good, the nickel slag grade is high, the magnesium loss is small, and the nickel impurities in the magnesium chloride salt solution are low. The high magnesium concentration is that the magnesium concentration is greater than 50g / L, the method is a co-precipitation method, and a neutralizer and an iron inducer are respectively added into the leachate, so that iron ions and nickel ions are subjected to co-precipitation reaction. The method has the following advantages: (1) the iron inducer is added, so that impurities such as nickel can be effectively removed when the concentration of magnesium ions is relatively high; extra water addition for dilution is not needed, and the current production scale is not influenced. And (2) the nickel slag obtained by impurity removal is high in nickel content and high in economic value. And (3) the iron inducer is low in price.

The invention discloses a fish scale collagen skincare composition, a fish scale collagen cosmetic and a preparation method of the fish scale collagen skincare composition and the fish scale collagen cosmetic. The fish scale collagen skincare composition comprises 0.05-0.5 part of fish scale collagen, 0.05-0.5 part of madecassoside and 0.5-3 parts of a purslane extract. According to the invention, the fish scale collagen, madecassoside and purslane extract are combined to repair the skin barrier, calm and relieve nerves, relieve skin inflammatory response and improve sensitive skin in multiple aspects from the aspects of sensitive skin characteristics, possible mechanisms and the like instead of treating head pain and foot pain. The fish scale collagen, madecassoside and purslane extract are derived from fish scales, centella asiatica and purslane of perches respectively, are gifts given to human beings by the nature, are green and healthy, and can endow the perches with high economic value, and through the simple synergistic effect of the three components and the extremely small component addition amount, the basic state of the skin of sensitive skin is consolidated, and the skin care effect is improved. The symptoms of itching, redness and the like after the sensitive skin is stimulated are relieved.

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.

The invention discloses a method for preparing a titanium-containing Si-Fe alloy by recycling coal gangue and diamond cutting silicon waste, and belongs to the technical field of resource regeneration and alloy preparation. The method comprises the following steps: (1) crushing and grinding coal gangue to obtain a coal gangue powdery material; (2) uniformly mixing the coal gangue powdery material and a slag former, and sintering to obtain a mixed sintered material; (3) the diamond cutting silicon waste is subjected to vacuum drying, and dried diamond cutting silicon waste is obtained; (4) uniformly mixing the mixed sintering material and the dried diamond cutting silicon waste according to a ratio, and heating under an inert atmosphere condition for reduction smelting to obtain a titanium-containing Si-Fe alloy melt and slag; and (5) the titanium-containing Si-Fe alloy melt and the slag are subjected to slag-gold separation, and then the titanium-containing Si-Fe alloy and reduction residues are obtained. According to the method, the coal gangue and the diamond cutting silicon waste are synergistically recycled, so that the two solid wastes are synergistically recycled, and the purpose of preparing a high-added-value product by utilizing the low-value solid wastes is achieved.

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.