70 results about "Solid product" patented technology

The invention discloses a method for recycling high-value components of a solder strip in a decommissioned crystalline silicon photovoltaic module, belongs to the field of decommissioned photovoltaic material treatment and resource recycling, and the novel method for recycling the solder strip is efficient and has large-scale application potential. The recovery method comprises the steps that firstly, the surface of the welding strip is cleaned through alkali solution pretreatment, then a lead-tin coating on the surface of the welding strip is oxidized through a method of heat treatment in air, then the welding strip is soaked in an acid solution to remove surface oxides, then recovered solid products are washed with water and dried, and high-value components in the waste welding strip can be obtained. And further purifying and recycling. The method solves the problems of tedious operation method, low efficiency and the like during treatment of a traditional method. And meanwhile, the recovery route has a simple and convenient operation process, has large-scale application potential, and provides a large-scale application technical route and feasibility for recovery of the welding strip in the waste crystalline silicon photovoltaic module.

The invention relates to a multi-source heat carrier heat transfer coal pyrolysis reaction device, and relates to the technical field of multi-heat source complementary coal pyrolysis and gasification. Comprising a reactor, a spiral feeder, a solid product collector and a heat storage cavity, the interior of the reactor is divided into a pyrolysis cavity and a heat supply cavity through a steel plate; the spiral feeder is connected with the top of the pyrolysis cavity through a conveying pipe, and the solid product collector is connected with the bottom of the pyrolysis cavity through a pneumatic knife gate valve; and the pyrolysis cavity is connected with the bottom of the heat storage cavity through a pneumatic knife gate valve. The function that the reactor adapts to multi-source heat sources and high heat transfer flux is achieved through circular flowing of the high-temperature heat carrier; the heat transfer efficiency of the reactor can be effectively improved by regulating and controlling the heat transfer characteristic and the flowing state of the high-temperature heat carrier, and the pyrolytic reaction rate is increased.

The invention belongs to the field of preparation of electrode materials, and relates to a preparation method of a silicon-carbon electrode material, the silicon-carbon electrode material and application of the silicon-carbon electrode material. The invention provides a method for preparing a silicon-carbon electrode material. The method comprises the following steps: S1, cutting, crushing and screening a retired fan blade to obtain blade powder; s2, the leaf powder is subjected to acid pickling, filtering, washing and drying, and purified leaf powder is obtained; s3, pyrolyzing the purified leaf powder to obtain leaf pyrolytic carbon powder; s4, performing vacuum Joule heating on the blade pyrolytic carbon powder to obtain a solid product; s5, the solid product is subjected to ball milling and screening treatment, a silicon-carbon electrode material is prepared, specific Joule heating temperature, time and the like are selected, a silicon source and a carbon source in the retired fan blade are recovered and converted into the silicon-carbon electrode material, a recovered product with a high additional value is obtained, the resource value is increased, the whole process is simple, convenient and efficient, and the method is suitable for industrial production. Good application prospects are realized.

VALVE CARTRIDGE FOR ACTUATORS OF A RANGE OF PACKAGING, having an independent complementary valve mechanism (1) to be mounted directly on the internal region of an outlet nozzle (2) of a known actuator (3) of a usual packaging (4), which actuator is traditionally combined with a pump-type mechanism (5) for extracting the product (P) contained in said packaging (4) and, accordingly, said packaging has a seal-tight upper closing part (6) that forms the body housing the extractor pump-type mechanism (5), the upper part of which is in communication with the outlet nozzle (2), while the lower part is in communication with the inside of the packaging (4), where it produces a vacuum, negative pressure or positive pressure, sufficient to move the product (P) to the outlet nozzle (2), containing an inlet duct (7) and an outlet duct (8), and in the latter there is mounted the independent complementary valve mechanism (1) which alters said stream of the semi-solid product (P) turning it into a drip, trickle or spray.

According to the present invention, there is provided a cylindrical device for thermal processing of solid materials, with a gas inlet for supplying gas that is led into the device, having its end within the device at a section of the device that leaves a smaller distance to a solid product discharge end than to a feed end. Further, there is provided a thermal process suitable for carrying out in said device.

The invention provides a waste plastic pyrolysis device capable of efficiently dechlorinating. The waste plastic pyrolysis device comprises a spiral conveying unit for conveying raw materials and a dechlorinating unit communicated with the tail end of the spiral conveying unit, the pyrolysis unit is communicated with a discharge hole of the dechlorination unit; the solid product treatment unit is used for temporarily storing and treating solid products of the pyrolysis unit; the heating system is used for supplying heat to the dechlorination unit and the pyrolysis unit; the nitrogen system is used for providing nitrogen, and the condensation separation unit is used for purifying and separating gaseous products generated by the pyrolysis unit. According to the technical scheme, the dechlorination rate is improved in the mode that the dechlorination unit conducts preliminary pyrolysis dechlorination and the thermal filter conducts pyrolysis on residual chlorine in the pyrolysis gas, so that the technical problem that the chlorine content of produced waste plastic pyrolysis oil exceeds the standard at present is effectively solved, and device corrosion is prevented.

The invention discloses a porous nozzle combustor and a targeted adding combustion device of a cement kiln, and solves the problem that stable production of the cement kiln is affected due to non-uniform heat distribution caused by complex and changeable properties of alternative fuels in the prior art. The multi-hole nozzle combustor comprises a feeding cavity and a mixed spraying cavity which are connected, a multi-hole nozzle is arranged at the outlet end of the feeding cavity and comprises a center gas nozzle and a plurality of side nozzles, the side nozzles are distributed on a circle with the center gas nozzle as the center, a ventilation pipeline is arranged in the feeding cavity, and the mixed spraying cavity is communicated with the center gas nozzle. The ventilation pipeline is communicated with the central gas nozzle, and the side nozzles are communicated with the feeding chamber; and flow guide fins are arranged in the mixed spraying chamber and are spirally arranged by taking the central gas nozzle as a circle center. According to the porous nozzle burner, optimized nozzle layout and mixed spraying cavity design are adopted, and pyrolysis gas and solid products are promoted to be fully mixed; the flow guide fins spirally arranged in the mixed spraying cavity enable pyrolysis gas to form rotating gas flow, the rotating gas flow violently collides and wraps solid particles, a stable and efficient combustion gas-solid flow state is formed, and the combustion stability is improved.

The utility model provides a crystallization reaction kettle material separating device which comprises a tank body and a separating pipe II, a group of cover bodies used for being connected with the tank body in a sealing mode are arranged at the upper end of the tank body, and a group of supports used for supporting a guide hopper are arranged on the front side of the tank body. Compared with the prior art, the solid material guiding device has the following beneficial effects that the solid material for the crystallization reaction is guided by using the material guiding auger, and meanwhile, the solid material for the crystallization reaction can be guided at a uniform speed by using the material guiding auger, so that the solid material for the crystallization reaction is prevented from being separated from the material guiding auger, and the solid material for the crystallization reaction is prevented from being separated from the material guiding auger. Vertical and stable rotation of the transmission shaft is kept by using the limiting frame, the crystallization reaction efficiency is improved by using the stirring blades, meanwhile, solid products are concentrated in the middle of the tank body, liquid products are dispersed on the outer side of the interior of the tank body, and the crystallization reaction products are subjected to seepage separation of the solid products and the liquid products by using the kettle bottom shell and the leakage sieve.

A system (100, 200) for automatic internal washing of evacuation stations for vacuum packaging machines for solid products, comprising: at least one fixed collector (102, 202); at least one washing device (101, 201) placed in correspondence with each vacuum chamber, configured to inject and / or diffuse water or cleaning solution or air; at least one system comprising pipes configured to inject and discharge water and / or a cleaning solution and / or air; at least one valve (103, 203) able to ensure the vacuum seal of the at least one vacuum chamber.

The present application relates to the field of porous materials, and more particularly to a method for steam-assisted one-step synthesis of hierarchical HKUST-1 material, comprising the following steps: (1) dissolving a copper source and a trimesic acid in a solvent to obtain a precursor solution; (2) placing the precursor solution, an etchant and an adsorbent in different placement zones in the same reactor, respectively, and keeping the precursor solution, the etchant and the adsorbent from contacting each other, and the steam in the reactor can flow between the placement zones to realize steam phase reaction and steam etching; (3) sealing the reactor in step (2) and heating to react, and the obtained solid product is washed, filtered and dried to obtain the hierarchical HKUST-1. The synthesis process and the etchant post-processing process are carried out simultaneously, and the hierarchical HKUST-1 is prepared by one-pot method, which shortens the preparation period, is simple to operate, low in cost and conducive to industrial production.

The invention discloses a fracturing filling performance detection system and method. The system comprises a fluid injection device, a flow meter, a first pressure meter, a fracturing filling simulation device, a second pressure meter, a filter, a metering tank, a density meter and a control device. According to the scheme, different fracturing filling scenes are simulated through the fracturing filling simulation device, and the injected fluid flow, the inlet pressure, the outlet pressure, the solid product amount, the liquid product amount and the liquid product density collected by the flow meter, the first pressure meter, the second pressure meter, the filter, the metering tank and the densimeter are utilized; a sand prevention performance index and / or a yield increase performance index are / is obtained through calculation, so that performance quantification of fracturing filling is achieved, and the precision of fracturing filling performance detection is improved; and the scheme is simple in structure, low in cost and suitable for large-scale application and implementation.

The application discloses a circulating fluidized bed boiler with process heat storage and a variable load adjusting method thereof. The circulating fluidized bed boiler with process heat storage comprises a furnace and at least one set of external circulation units. The furnace is used for burning fuel and oxidants to obtain external circulation materials and internal circulation materials. An upper portion of the furnace is provided with a gas-solid product outlet. The external circulation materials are discharged through the gas-solid product outlet. The internal circulation materials are circulated in a dense phase zone at the bottom of the furnace. Each set of external circulation units comprises a separation and return device and a heat storage chamber. The separation and return device is connected with the gas-solid product outlet and is used for separating the gas-solid product to obtain the external circulation materials. The heat storage chamber is connected with the separation and return device and the dense phase zone at the bottom of the furnace. In the load reduction adjusting stage, the heat storage chamber is used for receiving and storing part of the external circulation materials from the separation and return device and part of the internal circulation materials from the dense phase zone.

Membrane filter press comprising two end elements and a plurality of filter elements, in which a main space is formed in each case between two filter elements and an associated frame section, which is separated from a rear or filtrate space by a filter medium, wherein at least one filter element is formed from two filter elements forming a main space as a membrane filter element and comprises a fluidizable interior which is delimited in the direction of the filter medium by at least one flexible membrane, and wherein the main space has at least one feed channel for a substance mixture to be separated, the rear or filtrate space comprises at least one filtrate channel for filtrate, in particular at least one filtrate channel leading to a collection channel, and wherein the main space comprises not only a feed channel, but also at least one discharge opening, in particular a discharge opening arranged vertically above the feed channel. The invention further includes apparatuses and methods for producing solid products and / or valuable materials.

The invention discloses a rapid-circulation polycrystalline silicon preparation system and process. The polycrystalline silicon preparation system comprises a polycrystalline silicon reactor, a circulation lifting pipe and a heater, an exhaust pipe and a silicon particle feeding pipe are arranged at the upper part of the polycrystalline silicon reactor, and a solid product outlet pipe and a silicon-containing raw material gas inlet pipe are arranged at the lower part of the polycrystalline silicon reactor; the circulating lifting pipe is longitudinally arranged, the other end of the solid product outlet pipe is connected to the middle part of the circulating lifting pipe, the upper end of the circulating lifting pipe is directly or indirectly connected to the silicon particle feeding pipe, and the lower part of the circulating lifting pipe is connected with a hot air pipe; the heater is used for heating airflow to enter the hot air pipe to obtain hot air. Silicon particles are directly heated outside the reactor, high-temperature hot air is used for enabling the silicon particles to rapidly circulate in the circulating lifting pipe, heating and grading of the silicon particles are completed at the same time, the problem of wall surface deposition is solved, long-period operation can be achieved, and the production capacity is greatly improved.

The present application relates to a biomass pyrolysis gasification device and method using an atmospheric pressure microwave plasma torch, and belongs to the field of energy and environmental engineering. The device comprises a microwave plasma system, a reaction chamber, an airflow conveying system, an airflow control system, a material processing system, an ash storage bin, and a gas treatment system. The present application synchronously realizes biomass feeding, processing, and solid product discharge through its own gravity, effectively reduces heat loss, avoids tar generation, prevents material blockage, and separates the biomass materialization region from the plasma coupling region. The reaction chamber is designed ingeniously, simplifying the integration with other equipment, and has the advantages of low cost and high microwave energy utilization efficiency, significantly improving the integration and overall operation performance of the system.

The invention relates to the technical field of fracturing flow-back fluid treatment, and discloses a short-process hypersalinity fracturing flow-back fluid treatment process which comprises the following steps: S1, conveying hypersalinity fracturing flow-back fluid from a stock solution water tank to a ceramic ultrafiltration system through a water inlet pump, and filtering the hypersalinity fracturing flow-back fluid through a self-cleaning filter before the hypersalinity fracturing flow-back fluid enters a ceramic membrane to remove large-particle suspended solids; according to the method, the high-salinity fracturing flow-back fluid is treated by using a ceramic ultrafiltration and immersion combustion evaporation process, so that the treatment efficiency can be kept stable, and the final produced water can reach the emission standard; according to the process, the dosage of chemicals is small, generated solid products are few, and the treatment cost of the solid products is low; the process can be continuously operated, and the system does not need to be frequently started and stopped; the process flow is short, the occupied area is small, the number of operators is small, the operation cost is reduced, and finally the purposes of high treatment efficiency, short process flow, low treatment cost and the like for treating the high-salinity fracturing flow-back fluid wastewater are achieved.

This invention discloses a reactor and method suitable for ultrafine particle vapor deposition, relating to the fields of chemical engineering and materials preparation technology. The reactor includes a reactor body, a feeding mechanism, and a gas-solid feed pipe connecting the reactor body and the feeding mechanism. The reactor body has a reaction bed section, a conveying bed section, and a descending bed section connected in sequence. The diameter ratio of the reaction bed section to the conveying bed section is greater than 1. At least one gas-phase nozzle is provided on the descending bed section, and a control valve is connected to the end of the descending bed section. The control valve is connected to an outlet pipe and a circulation pipe connected to the feeding mechanism. Thus, by setting the reaction bed section and the conveying bed section with narrower diameters, the apparent gas velocity entering the conveying bed section is automatically adjusted, carrying the solid product out for conveying. Simultaneously, the gas-phase nozzle in the descending bed section provides conditions for the solid product to undergo secondary reactions as needed. The selective connection of the control valve enables the extraction or circulation of the solid product.

The present application relates to the fan blade processing technical field, especially to a kind of fan blade fragment processing method, including to fan blade fragment is classified and screened and moisture content self-adapting pretreatment, using preheating type waste heat compressed air is prevented and is air-lifted, in pyrolysis gasifier is carried out three-stage subsection gradient control temperature pyrolysis, into the pyrolysis gasifier partition and is imported steam, realize the cooperation of coke suppression and glass fiber protection, to pyrolysis gas is separated into three stages, and separated solid particles are classified and oriented return material, to pyrolysis flue gas and fuel gas are waste heat cascade recovery multi-link supply, through edge computing realizes wind farm wind power curtailment and pyrolysis load two-way electric power closed-loop control, pyrolysis system is according to the real-time self-optimizing intelligent adjustment of working condition parameter, to pyrolysis solid product is quenched and shaped and glass fiber lossless recovery, pyrolysis processing system and wind farm microgrid island operation and have multiple safety protection.

The invention relates to the technical field of nitrogen-containing waste gas resourceful treatment, and particularly discloses nitrogen-containing waste gas treatment equipment considering both resource utilization rate and cost, the nitrogen-containing waste gas treatment equipment comprises a first storage tank, and a water outlet of the first storage tank is connected with a first reaction kettle; a liquid outlet of the first reaction kettle is connected with a first absorption tower; a liquid outlet of the first absorption tower is connected with a second reaction kettle, a water outlet of the second reaction kettle is connected with the first storage tank, and a solid product outlet of the second reaction kettle is connected with a second storage tank; an exhaust port of the first absorption tower is connected with a fixed bed reactor; comprising a second absorption tower, and a second atomizer is arranged at the top in the second absorption tower and connected with a third storage tank through a pipeline; a liquid outlet of the second absorption tower is connected with a third reaction kettle, a water outlet of the third reaction kettle is connected with the first storage tank, and a liquid outlet of the third reaction kettle is connected with a fourth storage tank. The method has the characteristics of high resource utilization rate, high waste gas absorption rate and low treatment cost.

The invention discloses a method and a device for assisting in enhancing substance transmission through precise fixed-point blasting of nano-particles, and belongs to the field of materials and chemical engineering. The device comprises a working solution supply circulating system, an electrolytic machining system, a fixed-point blasting regulation and control system, a mass transfer monitoring system and a motion control system, by designing the multifunctional multi-layer nano-particles and utilizing a targeted positioning mechanism of the multifunctional multi-layer nano-particles, precise blasting of a passivation film, diffusion of bubbles in machining gaps and convection of working solution are achieved, and the purpose of precise blasting of the passivation film is achieved. The nano-particles are accurately adsorbed to a passive film area under the action of an electric field and chemical bonds, and a signal initiates fixed-point blasting to damage the passive film; pressure waves generated by explosion promote bubble diffusion and convection of working liquid, and bubbles escape from the upper portion of the machining area; and synchronously releasing a hydroxyapatite precipitant, gradually polymerizing dispersed small solid product groups into large groups, precipitating, and discharging from the lower part of the processing area. According to the method, a passive film is damaged through precise blasting, interelectrode substance transmission is accelerated, the interelectrode mass transfer efficiency and machining stability are remarkably improved, and therefore the bottleneck of industrial machining efficiency is broken through, and the method is especially suitable for titanium-aluminum alloy, metal glass, silicon-based wafers and the like. And high-efficiency and high-precision processing of difficult-to-process conductive materials such as composite metal and the like which are easy to form surface passivation films, oxidation films, barrier films, insulating films and the like is realized.

The present invention discloses a device and method for producing hydrogen by hydrolysis of magnesium-based hydrogen storage materials. The device includes: a first silo, a second silo, a conveying pipeline, and a control module. A pusher assembly extending to the outer end is provided in the conveying pipeline; the first silo is used to store magnesium-based solid raw materials. The control module controls the discharge of the magnesium-based solid raw materials in the first silo and the inflow of water from an external water source into the conveying pipeline, so that the magnesium-based solid raw materials and water undergo a hydrolysis reaction to produce hydrogen in the conveying pipeline; the control module also controls the pusher assembly to deliver the solid product generated by the hydrolysis reaction to the second silo. The present invention can promptly deliver the solid product generated after hydrolysis and separate it from the unreacted magnesium-based solid raw materials. The physical isolation method prevents the solid product from hindering the hydrolysis of the remaining magnesium-based solid raw materials, thereby achieving the purpose of multiple starts and stops at any time.

The invention discloses an RFF mixed combustion type garbage heat treatment furnace and method. The furnace body comprises a combustion space, a pyrolysis space, a transfer mechanism and pyrolysis gas nozzles, a first oxygen supply pipeline in the combustion space is provided with an upper layer nozzle, a middle layer nozzle and a lower layer nozzle, and three layers of fire areas are correspondingly formed. Solid and gaseous products generated by pyrolysis are respectively fed into the combustion space, the upper-layer nozzle is flush with the pyrolysis gas nozzle, oxygen and pyrolysis gas are fully mixed and combusted to form an upper-layer fire area, the heat of the upper-layer fire area and the middle-layer fire area reversely combusts the solid products, and the lower-layer fire area thoroughly incinerates the solid products. The method comprises the three steps of pyrolysis, reverse combustion and incineration, through space separation and time sequence optimization, staged optimization treatment of organic components of the garbage is achieved, the combustion efficiency is improved, and generation and residues of harmful gas are reduced.

The utility model discloses a cross-seasonal heat storage and release integrated system based on thermochemical heat storage materials. The cross-seasonal heat storage and release integrated system comprises a heat storage reaction material bin, a reactor, a heater, a solid product cooler, a heat storage solid product bin, a heat exchanger, an induced draft fan, a gas product storage tank, a valve, an air feeder, a controllable three-way valve, a dividing wall type heating surface and a separator. Compared with the prior art, the utility model has the advantages of reasonable flow, wide application range, large handling capacity, high system integration and high heat storage efficiency.

The application discloses a kind of preparation method and equipment of fulvic acid solid, belong to biological organic fertilizer raw material processing technical field.The high-purity, fulvic acid solid finished product of total water-soluble is obtained by raw material processing, alkali dissolution acid extraction, centrifugal separation, drying preservation and other steps.The equipment includes pretreatment unit, extraction reaction kettle, concentration device, low-temperature drying machine, screening forming machine and tail gas recovery component, each unit is closed in series, realizes material continuous flow and waste heat recycling, with the characteristics of automatic control, gentle processing, energy saving and consumption reduction.The preparation method of the application is stable in operation, strong controllability, can maximize the retention of fulvic acid active functional group, the obtained solid product is high in purity, good in solubility, low in impurity content, the equipment structure is compact, low in running cost, can realize large-scale continuous production, is suitable for industrialized preparation of multiple raw materials such as mineral source fulvic acid, biomass fulvic acid, and has environmental protection and economy.

The utility model relates to the technical field of solid waste treatment, and discloses a device for extracting oil in edible oil spent bleaching clay and recycling spent bleaching clay, which comprises an extraction component and a solid-liquid separation component, the extraction assembly comprises a feeder, a reaction kettle and a solvent storage tank, the feeder is communicated with a feed port of the reaction kettle, the solvent storage tank is communicated with a liquid inlet of the reaction kettle, and the solvent storage tank is used for storing an extraction agent for extracting edible oil; the solid-liquid separation assembly comprises solid-liquid separation equipment, a solid product tank and a liquid storage tank, a discharge port of the reaction kettle is communicated with a feed port of the solid-liquid separation equipment, a liquid discharge port of the solid-liquid separation equipment is communicated with the liquid storage tank, and a slag discharge port of the solid-liquid separation equipment is communicated with the solid product tank. The extraction is performed at normal temperature or near normal temperature, the energy consumption is low, the production efficiency is high, and the cost is low; the extraction agent can be repeatedly used after being separated, so that the cost can be greatly reduced; and the problems of complex equipment and large occupied area of the traditional thermal desorption method are avoided.

The disclosure relates to a system and method for predicting the stability of an injectable product.

This invention discloses a horizontal, high-efficiency integrated thermal storage and release device and process, comprising: a thermal storage reaction material silo, a material preheater, a horizontal fluidized bed reactor, a solid product cooler, a thermal storage solid product silo, a cyclone separator, a gas selective separation membrane, a gas heat exchanger, an induced draft fan, a gas product storage tank, a release valve, a blower, and a thermal storage valve. The advantages of this invention compared to existing technologies are: a rational process, wide application range, large processing capacity, high system integration, reduced wear and pulverization of thermal storage materials, and improved reactor thermal efficiency and overall system thermal efficiency.

This invention relates to the field of industrial exhaust gas purification and gas utilization technology, specifically to a system and method for separating and reusing flue gas components. The system includes a flue gas treatment skid-mounted module, a flue gas recovery skid-mounted module, and a solid product generation skid-mounted module. The flue gas treatment skid-mounted module includes a denitrification unit, a dust removal unit, a desulfurization tower, and a CO2 capture unit connected in sequence. The flue gas recovery skid-mounted module includes an air separation unit and a CO2 regeneration unit. The solid product generation skid-mounted module includes a carbonization reactor and an oxidation reactor. This invention achieves the capture, purification, and high-value utilization of CO2 from industrial flue gas to prepare nano-calcium carbonate through integrated skid-mounted modules, resulting in high gas utilization efficiency, excellent application effects, and high product economics.

The invention belongs to the technical field of coupling blending combustion of a thermal power plant, and discloses a test system and method beneficial to increasing the calorific value of blending combustion biomass furfural residues, raw material pretreatment, pyrolytic reaction and combustion test are highly integrated, and a whole process of pretreatment-pyrolysis-combustion is constructed. The method systematically focuses on exploration and verification of a critical path for increasing the blending combustion heat value of the biomass furfural residues by using a pyrolysis means. Through the design of the pyrolysis reaction unit, the conversion efficiency of biomass organic components in the pyrolysis process is fully utilized, and the combustion heat value potential of a solid product is effectively improved. The combustion test unit provided with an air distribution device can finely regulate and control aerodynamic parameters of different pyrolysis products in the combustion process, so that the optimal working condition capable of releasing the pyrolysis fuel heat value to the maximum extent and optimizing the combustion efficiency is explored and verified. The intelligent control unit dynamically and automatically adjusts operation parameters according to preset logic or a learning model by monitoring key parameters such as the temperature, the pressure, the flow and the components of all links in the system in real time, and a closed-loop optimization mechanism is formed.

The invention relates to a stackable storage, transport and handling system for bulk solid products, which combines a container having a metal structure and a big bag therein for receiving the products. The structure comprises a strong and flexible frame that can be folded and unfolded according to operating conditions for the handling thereof in container ships, ports and trucks, to be able to pile same high (thereby optimising the surfaces available on ships, in port areas, etc.).