659 results about "Gas solid" patented technology

The invention provides a gas-solid fluidized bed reactor and method for photo-thermal coupling catalysis of CO2 reduction. The gas-solid fluidized bed reactor comprises a reactor main body, a gas inlet base and a heating part, a reaction cavity in the reactor main body is an inverted circular truncated cone-shaped cavity, and a quartz light window is arranged at the top of the reaction cavity; a columnar gas channel is arranged in the gas inlet base; the bottom of the reactor main body is connected with the top of the air inlet base, and a porous sieve plate is arranged between the reactor main body and the air inlet base; the bottom of the inverted circular truncated cone-shaped cavity is communicated with the top of the columnar gas channel through a porous sieve plate; the heating part is used for providing heat for the reactor main body and the air inlet base. According to the photo-thermal reactor, light blocking caused by catalyst accumulation of a traditional photo-thermal reactor is reduced, the contact area of reactant gas and the catalyst is effectively increased, and the efficiency of the catalyst is fully exerted.

The invention discloses an unconventional feed quality assessment method and system, and relates to the technical field of unconventional feed quality assessment, and the method comprises the following steps: in a feed high-temperature drying treatment process, establishing a multi-dimensional sensing monitoring baseline, continuously obtaining mercury vapor concentration gradient, moisture evaporation rate and airflow velocity field data in a feed drying environment, and calculating the quality of the feed; forming a time sequence feature set reflecting the dynamic change of mercury vaporization; and constructing a gas-solid interaction analytical model by using the time sequence feature set, and carrying out coupling analysis on the mercury vapor migration trajectory and the temperature distribution and humidity distribution of the feed particle surface to generate a spatial distribution data set representing the spatial distribution feature of the mercury vapor redeposition region. According to the invention, the whole-process monitoring and dynamic regulation and control of mercury vaporization, migration and redeposition in the feed drying process are realized, through multi-dimensional monitoring, amplitude limiting control and high-frequency disturbance, the mercury distribution is balanced, the risk is reduced, the drying safety and the feed quality stability are improved, and the controllable management of heavy metal pollution is effectively realized.

The invention provides a device for testing gas-solid mixing and flow characteristics in an under-pressure gas pipeline, and relates to an industrial pipeline monitoring device, the device comprises an under-pressure pipeline main body, an experiment section and a particle adding section are combined to form a gas flow loop, and a flange assembly port is fixedly provided with a particle adding device through a fastening bolt; the gas inlet pipe guides gas flow in the pipeline into the U-shaped mixing pipe, and particles in the sealed particle storage box are distributed in the U-shaped mixing pipe in the synchronous rotation process of the gas inlet pipe and the stirring fan blades, so that gas-solid mixing is completed. The airflow in the pipeline with pressure is guided into the particle adding device, the airflow of the pipeline is used as power for gas-solid mixing operation, an external pressurizing air pump is not needed any more, and therefore the cost of the particle adding process is greatly reduced, the particle adding speed can be adjusted in a self-adaptive mode according to the flow speed of gas in the pipeline, and the particle adding efficiency is improved. And the distribution uniformity and continuity of the particles are fully ensured.

The invention discloses an integrated wet-process waste gas multi-pollutant efficient cooperative treatment device and method. The device is provided with a pre-oxidation section, a centrifugate membrane gas-solid separation section, a wet spraying absorption section, a rotational flow dehydration section, an electrostatic reaction section, a filler demisting section and an adsorption and catalytic reaction section, an air inlet pipe and a liquid discharge pipe are arranged at the bottom of the device, and an exhaust pipe is arranged at the top; the pre-oxidation section comprises a gas inlet pipe, an oxidant injection pipe and a mixing plate; the centrifugate membrane gas-solid separation section, the wet spraying absorption section, the rotational flow dehydration section, the electrostatic reaction section, the filler demisting section and the adsorption and catalytic reaction section are sequentially arranged from bottom to top. By means of the device and method, particulate matter, sulfur dioxide, nitric oxide, fluoride, HCl, heavy metal, VOCs, dioxin, malodorous gas and other waste gas multiple pollutants generated in the solid hazardous waste co-treatment process of the industrial kiln and the industrial boiler can be removed, and waste gas emission meets the emission standard and sensory requirements.

The invention relates to the technical field of boiler flue gas sampling, in particular to a biomass boiler in-situ flue gas sampling system and an operation method.The biomass boiler in-situ flue gas sampling system comprises a constant-speed sampling nozzle and a smoke dust sampling pipe, the constant-speed sampling nozzle is communicated with the smoke dust sampling pipe, the biomass boiler in-situ flue gas sampling system further comprises a flue gas heat preservation unit and a fly ash collecting device, and a ventilation support is installed at the bottom of the smoke dust sampling pipe; an air pipe connector is arranged at the bottom of the ventilation support. Under the high-temperature combustion environment of the biomass boiler, firstly, the flue gas temperature is kept unchanged during sampling through the flue gas heat preservation unit, then constant-speed sampling of flue gas is achieved through the flue gas acceleration nozzle arranged at the front end of the sampling system, particulate matter sampling is conducted on the flue gas through the flue gas sampling pipe on the premise that the temperature is not changed, and the sampling efficiency is improved. The gas-solid separation of the flue gas and the in-situ collection of the fly ash particles are realized, and the interference of condensation and deposition of gaseous inorganic substances and the like on residual ash particle sampling caused by the reduction of the temperature of the flue gas is prevented.

The invention relates to a fluidized bed reaction system for a silicon-carbon negative electrode material. The silicon-carbon negative electrode material fluidized bed reaction system comprises a drying tank, a fluidized bed reactor and a discharge tank, the drying tank is provided with a material cavity, and the drying tank can dry materials in the material cavity and can also convey replacement gas into the material cavity to replace gas in the material cavity; the fluidized bed reactor is internally provided with a gas-solid separation area, a reaction area and an initial fluidization area which are sequentially arranged from top to bottom, and the reaction area is communicated with the material cavity so as to receive the dried materials; the discharge tank is provided with a dust removal cavity, the dust removal cavity is communicated with the gas-solid separation area through a discharge pipeline, the discharge pipeline is provided with a blasting assembly, and when the pressure in the fluidized bed reactor exceeds a first preset value, the blasting assembly can be broken to release gas in the fluidized bed reactor; meanwhile, powder in the fluidized bed reactor can be discharged into the washing liquid in the dust removal cavity through the discharge pipeline.

An activated carbon feeding and discharging device comprises a stock bin, a hopper and a draught fan, the stock bin is a sealed cavity, the stock bin is provided with a feeding port, a discharging port and an air suction port, the discharging port is formed in the bottom of the stock bin, the air suction port is formed in the top of the stock bin, the discharging port of the hopper is connected with an inlet of a three-way valve, and the air suction port is connected with an outlet of the three-way valve. The other inlet of the three-way valve is connected with a suction device, an outlet of the three-way valve is connected with a feeding port of the stock bin through a pipeline, an air inlet of the fan is connected with an air suction port of the stock bin through a pipeline, an air outlet of the fan is connected with an air supply port of the material guide pipe through a pipeline, and a feeding port of the material guide pipe is connected with a discharging port of the stock bin. An outlet of the material guide pipe is connected with an inlet of the gas-solid separation device, and a solid outlet of the gas-solid separation device is connected with the discharge pipe. According to the device, activated carbon can be fed and discharged, dust is prevented from being discharged, pollution to the environment is prevented, and the production efficiency is greatly improved.

The utility model relates to the technical field of production of products taking carbonate as a raw material, and provides a system for producing products taking carbonate as a raw material and recovering carbon dioxide, which comprises a preheating device, a calcining furnace, a finished product collecting device and a carbon dioxide collecting device, a feeding port of the preheating device is used for being communicated with the feeding device, a discharging port of the preheating device is communicated with a feeding port of the calcining furnace, a discharging port of the calcining furnace is communicated with an inlet of the finished product collecting device, and an air outlet of the finished product collecting device is communicated with an air inlet of the preheating device. A gas outlet of the preheating device is respectively communicated with gas inlets of the carbon dioxide collecting device and the finished product collecting device. Gas-solid separation is carried out on combustion products of the calcining furnace through the finished product collecting device, smoke is recycled between the preheating device and the finished product collecting device, heat of finished products is reduced, the concentration of carbon dioxide in the smoke is improved, and low-cost collection, low energy consumption and environmental protection of the carbon dioxide collecting device are facilitated.

The invention provides a high-efficiency electric heating system suitable for a gas-solid fluidized bed, and the system comprises the fluidized bed which is provided with a gas inlet, a gas outlet, a material inlet and a material outlet, and is internally provided with solid particles; the heat transfer assembly comprises a plurality of hollow objects arranged in the fluidized bed, and part of the solid particles are contained in the plurality of hollow objects; wherein at least a first part of the hollow object is used for being connected with a power supply end, and a second part of the hollow object is not electrified; and the first part of the hollow object is a graphite electrifying body. Through the system provided by the invention, the loss of the coil is recovered, and the effective utilization rate of electromagnetic induction heating is greatly improved.

The invention discloses a coal gangue distributed homogeneous high-temperature activation calcination method and system, and relates to the technical field of resources and environments, the system comprises a coal gangue powder preparation and feeding system, a coal gangue powder distributed homogeneous high-temperature activation calcination system, a high-temperature powder cooling system, a finished product collection system and a flue gas purification system; the coal gangue powder distributed homogeneous high-temperature activation calcining system comprises a primary cyclone preheating system and a distributed homogeneous high-temperature activation furnace; the air inlet end of the primary cyclone preheating system is communicated with the coal gangue powder preparing and feeding system, the primary cyclone preheating system is communicated with the homogeneous high-temperature activation furnace, materials in the distributed homogeneous high-temperature activation furnace are separated by the gas-solid cyclone separator and then are divided into two parts by the distributor, one part enters the high-temperature powder cooling system, and the other part enters the high-temperature powder cooling system; and the other part returns to the distributed homogeneous high-temperature activation furnace for circulation. According to the method, large-scale treatment of high-temperature activation and calcination of the coal gangue is realized, and the uniformity and controllability of product quality are remarkably improved.

The utility model provides a gas-solid countercurrent fluidization heat exchange device. The gas-solid countercurrent fluidization heat exchange device comprises a barrel; a feeding pipe, a flow guide cone and a gas distributor are sequentially arranged in the barrel, the feeding pipe is used for conveying solid particles into the barrel, an upper conical surface is arranged at the upper end of the flow guide cone, a lower conical surface is arranged at the lower end of the flow guide cone, and the upper conical surface is used for enabling the solid particles input by the feeding pipe to disperse and slide downwards; a gas inlet pipe and a gas outlet pipe are arranged on the side wall of the barrel, the gas inlet pipe is used for conveying gas into the gas distributor, the gas distributor is used for guiding the gas to generate downward rotational flow motion, the lower conical surface is used for dispersing the returned gas flowing upwards to flow upwards, and the gas outlet pipe is used for conveying the gas subjected to heat exchange in the barrel to the next procedure; according to the device, gas and solid particles can be subjected to sufficient heat exchange, the heat exchange efficiency is greatly improved, meanwhile, countercurrent movement between the gas and the solid particles can be achieved, the gas flowing speed is increased, and the sectional area of the barrel is greatly reduced.

The invention relates to a multi-scale prediction method for the oxidative ablation behavior of a carbon / carbon porous heat-proof material, and belongs to the technical field of aerospace science, in particular to a multi-scale prediction model for the oxidative ablation behavior of the carbon / carbon porous heat-proof material. A chemical reaction standard enthalpy value and reaction activation energy are analyzed based on a gas-solid interface micro-model of a carbon / carbon porous heat-proof material, and then pore scale fluid mechanics calculation is performed in combination with a porous medium model; explaining an evolution mechanism between gas-solid interfaces by using a micro-scale and pore-scale simulation method, and predicting an ablation process surface evolution process; according to the invention, fluid flow, thermal reaction and heterogeneous chemical reaction in the porous medium in the ablation process can be coupled and simulated at the same time; according to the method, the action mechanism of the heterogeneous chemical reaction at the gas-solid interface in the oxidation ablation process of the carbon / carbon porous heat-proof material can be disclosed, and the distance change after ablation and the ablation surface roughness in the ablation process can be predicted more accurately.

The invention relates to a circulating fluidized bed boiler system, comprising: a main circulating fluidized bed boiler comprising a main hearth, a main separator, a main return feeder and a flue; the activation and modification device comprises a coal slime inlet and a gas-solid fuel outlet, the coal slime is suitable for being at least partially gasified and combusted in the activation and modification device to form gas-solid fuel flowing out of the gas-solid fuel outlet, and the gas-solid fuel outlet is communicated with a fuel nozzle arranged in the main hearth. The invention further relates to a coal slime activating treatment method which comprises the following steps: at least part of coal slime is gasified and combusted in the activating and modifying device to generate gas-solid fuel; and gas-solid fuel is led to the middle lower part of the hearth of the circulating fluidized bed boiler. The scheme can be used for flexible peak regulation of the boiler.

The present invention discloses a high-concentration carbon dioxide capture system built on a cement kiln system and a low-carbon emission type cement clinker production line. Among them, the high-concentration carbon dioxide capture system includes a first decomposing furnace, a preheater assembly, a first gas-solid separator, a second decomposing furnace device, and a second gas-solid separator; the feed end of the first decomposing furnace is connected to the discharge end of the preheater assembly, and the intake end of the first decomposing furnace is connected to the cement kiln system; the inlet end of the first gas-solid separator is connected to the outlet end of the first decomposing furnace, the discharge end of the first gas-solid separator is connected to the second decomposing furnace device, and the outlet end of the first gas-solid separator is connected to the intake end of the preheater assembly; the inlet end of the second gas-solid separator is connected to the second decomposing furnace device. The low-carbon emission type cement clinker production line includes a cement kiln system, a high-concentration carbon dioxide capture system, and a carbon monoxide generation system that are connected to each other. The present invention effectively realizes the series connection and circulation of the production of cement clinker, carbon dioxide, and carbon monoxide.

The invention discloses a steel slag carbon sequestration reaction device, and belongs to the technical field of reaction devices. The device comprises a reactor which is internally provided with a heating part, a partition plate and a water storage disc, is externally connected with a gas supply bottle and a steam generator, and realizes parameter regulation and control through a controller. During working, steel slag is placed on the partition gauze, the heating part is heated, CO2 is introduced into the gas bottle, the steam generator and the water storage disc provide steam, the driving unit drives the partition and the water storage disc to swing, and gas-solid contact is strengthened; the water storage tank, the sealing cylinder and the like form a water circulation system to automatically supplement and return water; and the pressure release valve guarantees safety. Through the synergistic effect of temperature, humidity and mechanical swing, the carbonation reaction efficiency of the steel slag and CO2 is improved, and automatic operation of steel slag carbon sequestration is achieved. The device has the advantages that mass transfer is enhanced through mechanical swing, energy is saved through closed water circulation, steel slag is prevented from falling off through gauze design, waste is treated with waste, and high efficiency and environment friendliness are achieved.

The invention provides a test device for simulating volcanic ash erosion sample materials at normal temperature. The test device comprises a gas supply system, a dust supply system, a gas-solid mixing system and an erosion test system, the gas supply system comprises an air compressor, a high-pressure gas storage tank and an air dryer which are connected in sequence, and an outlet of the air dryer is connected with the gas-solid mixing system; the dust supply system comprises a solid particle storage tank, the upper end of the solid particle storage tank is provided with a feed port, and a lower end outlet is connected with the gas-solid mixing system; the washout test system comprises a test chamber, a fixed disc which is arranged at an inlet of the test chamber and is communicated with the gas-solid mixing system, a nozzle on the fixed disc, and a sample disc which is positioned in the test chamber and is opposite to the fixed disc, and the nozzle is used for uniformly spraying solid particles onto a sample material on the sample disc. The test device can accurately simulate the erosive wear condition of the air compressor blade by the volcanic ash with different concentrations and speeds at normal temperature, and can also simulate the erosive damage condition of the air compressor blade and a thin-wall piece sample by the volcanic ash at a high rotating speed.

The invention relates to the technical field of carbon dioxide mineralization and absorption, in particular to a coal-based solid waste whole-process deep mineralization and storage CO2 system and method.The system comprises a pretreatment system, a PH detection system, an ultrasonic generation system and a mineralization reaction system, and the ultrasonic generation system and the PH detection system are both connected with the mineralization reaction system; the method comprises the following steps: S1, feeding a mixture of fly ash and desulfurized gypsum into a ball mill; according to the method, fly ash or a mixture of fly ash and desulfurized gypsum treated by a chemical leaching reaction liquid in physical modes such as ball milling, high-temperature calcination and hydration is sent to a vortex type mineralization reaction device, and surface inerting layers of fly ash and desulfurized gypsum are destroyed by utilizing an ultrasonic cavitation effect in the mineralization reaction process; leaching of alkali metal ions such as calcium and magnesium in the slurry is promoted, and the gas-solid mass transfer efficiency is improved; under the conditions that the CaO content of the fly ash is limited and no additive is added, the carbon dioxide sealing and absorbing capacity of the fly ash is improved to the maximum extent.

A system and method for early warning of solids pluggage in a gas-solid multi-phase flow through transport pipe. At least one doppler radar-based mass flow sensor measures reflections of signals from solid particles that are carried in a gas transport stream by the transport pipe from a solid particles feed source to a solid particles processing location. A controller detects conditions in the gas transport stream carrying the solid particles in the transport pipe that are representative of an early warning of pluggage of solid particles in the pipe as a function of information provided by the at least one doppler radar-based mass flow sensor.

The invention discloses an airflow crushing system and an airflow crushing method thereof, and belongs to the technical field of material pulverization. The airflow crushing system comprises an airflow crusher, a gas-solid separation device, an exhaust fan and an air supply fan, and a raw material inlet of the airflow crusher communicates with an air outlet of the air supply fan; a powder outlet of the jet mill is communicated with a feed port of the gas-solid separation equipment, and an exhaust port of the gas-solid separation equipment is communicated with an air inlet of the exhaust fan. The airflow crushing method comprises the steps that the airflow crusher crushes materials into powder, the powder is discharged into the gas-solid separation equipment to be separated, the exhaust fan pumps out gas in the gas-solid separation equipment, the gas supplementing fan supplements the gas into the airflow crusher, the exhaust fan and the gas supplementing fan are matched to maintain the pressure in the airflow crusher to be stable, a large amount of fine powder is prevented from being generated, and the crushing efficiency is improved. And the powder is discharged into gas-solid separation equipment in time, so that over-crushing is avoided, the qualification rate is increased, and the energy loss is reduced.

According to the efficient dust falling device suitable for conveying the falling material transfer point and the dust falling method of the efficient dust falling device, a falling material sealing cavity seals an upper belt discharging opening, and a dust material separation net is located under a lower belt discharging opening and obliquely arranged at the position, close to a lower belt, of the bottom end of the outer wall of the cavity; the air inlet cavity bottom plate, the air inlet pipe and the dust and material separation net jointly form an air inlet cavity, and the air inlet cavity is isolated into independent cavity bodies; an air outlet pipeline at the tail end of the air inlet pipe is gradually expanded; the exhaust pipeline is located on the outer wall, right opposite to the upper surface of the dust separation net, of the cavity, and an inlet of the exhaust pipeline extends into the blanking sealing cavity. The tail end of the exhaust pipeline is connected with the top end of the gas-solid separation pipeline which is vertically arranged, an outlet inner pipe communicated with the fan penetrates through the dust discharging pipes and then extends into the center of the gas-solid separation pipeline by a certain height, the dust discharging pipes are distributed on the periphery of the outlet inner pipe, and the outlet ends of the dust discharging pipes are connected with one end of the material conveying pipe. The device can prevent falling materials from impacting dust raising, meanwhile, material loss is avoided, and the environment and occupational health of workers are protected.

A method for preparing ferrochrome through chromium slag suspension roasting pre-reduction-electric furnace smelting belongs to the field of mineral processing, and comprises the following steps: crushing chromium slag, and preheating to obtain a preheated material; the preheated materials are fed into a suspension roasting furnace, N2 gas is introduced into a furnace body, and the materials in a system are dehydrated under the action of high temperature; h2 and N2 are introduced into the suspension roasting furnace, the materials are in a suspension state under the action of ascending air flow, roasted product roasted sand is obtained and directly fed into the electric furnace through a pipeline for melting separation, ferrochrome obtained after melting separation of the electric furnace enters a cooling tower to be cooled and then is stored in a storage bin, and tailings enter a slag pool to be cooled and then are placed in a slag storage bin. The suspension magnetization roasting technology provided by the invention has the characteristic of large gas-solid contact area, the roasting time is greatly shortened, the roasting efficiency is improved, and the cost is reduced.

The invention discloses an internal circulating fluidized bed and method for calcium cycle catalytic methane dry reforming, the internal circulating fluidized bed comprises an outer reactor and an inner reactor, the outer reactor sleeves the inner reactor, and the inner part of the inner reactor is used as a carbon capture zone for carbon dioxide adsorption reaction; an area between the inner reactor and the outer reactor is used as a carbon conversion area for methane dry reforming and catalyst regeneration reaction; the bottoms of the carbon capture area and the carbon conversion area are communicated through a circulating feed port, a discharge port in the top of the carbon capture area is connected with a gas-solid separator, and a solid outlet of the gas-solid separator is connected with the carbon conversion area; the bottom of the inner reactor is provided with a waste gas inlet and an air distribution plate, the bottom of the side wall of the outer reactor is provided with a raw material gas inlet, and the top of the outer reactor is provided with a synthesis gas outlet and a material supplementing port; by adopting the internal circulating fluidized bed technology, the problem of discontinuous reaction of a fixed bed reactor is solved, the continuous and stable proceeding of the calcium circulating methane dry reforming reaction is realized in the same reactor, and the production efficiency is remarkably improved.

The utility model discloses a chemical looping reaction system for co-processing sintering flue gas and coal gas, which comprises a sintering flue gas reactor, the upper part of the sintering flue gas reactor is connected with a first gas-solid separator, the lower part of the first gas-solid separator is connected with a first material return valve, the first material return valve is connected with a coal gas reactor, and the middle lower part of the coal gas reactor is provided with an overflow port; the overflow port is connected with the sintering flue gas reactor through an overflow pipe, and the sintering flue gas reactor and the coal gas reactor are filled with oxygen carriers. The device has the beneficial effects that the sintering flue gas and various coal gases of the steel mill can be cooperatively treated; heat and oxygen of the sintering flue gas are recycled; pollutants such as NOx, SO2, CO and dioxin in the sintering flue gas are treated; high-quality steam is produced for heat supply or power generation; and CO2 generated by coal gas combustion is enriched.

The invention discloses a detoxification system for washed household garbage incineration fly ash, and belongs to the technical field of hazardous waste treatment. Comprising a fly ash temporary-storage tempering unit, a low-temperature anti-sticking drying unit, a temperature-control anti-scaling pyrolysis unit and a gas-solid separation unit which are connected in sequence. The fly ash caching and tempering unit is provided with a calcium salt content online detector and an anti-caking agent adding device, so that accurate tempering is realized; the low-temperature anti-sticking drying unit realizes low-temperature anti-sticking drying; the temperature-control anti-scaling pyrolysis unit adopts an indirect heating type rotary kiln and is provided with a plasma catalysis assembly, so that medium-temperature degradation of dioxin and scaling prevention are realized; the gas-solid separation unit comprises an efficient cyclone separator, a high-temperature ceramic dust remover and a water-cooled conveyor, and efficient separation and cooling are achieved. Through systematic structural design and integration, the technical problems that the calcium salt-containing fly ash after water washing is prone to caking and scaling in the treatment process, and dioxin degradation is not thorough are effectively solved.

The utility model belongs to the technical field of gas-solid separation, and particularly relates to a cyclone separator which comprises a first separation cylinder, a second separation cylinder, an air inlet pipe, an exhaust pipe and an ash bucket, the first separation cylinder comprises a first cylinder and a first conical cylinder, and the second separation cylinder comprises a second cylinder and a second conical cylinder. The second separation cylinder is coaxially sleeved in the first separation cylinder; the device further comprises a condensing coil, a refrigerating machine and a fan; the dust hopper comprises an inclined guide plate, a sliding rail and a storage groove, the two stages of cyclone barrels are adopted, the first separation barrel is used for collecting coarse particles, the second separation barrel is used for collecting fine particles, the separation efficiency is remarkably improved, and the burden of downstream equipment is relieved; in addition, a water absorption filter screen for removing water vapor, a vibrator and a storage tank for collecting dust are supplemented, so that the equipment is convenient to clean.

The invention belongs to the technical field of drying, separating and upgrading of coal particles, and particularly relates to a drying, separating and upgrading system for viscous and wet fine coal. Comprising the following steps: vibrating a gas-solid separation fluidized bed, and setting a pulse airflow process of the vibrating gas-solid separation fluidized bed according to physical property parameters of viscous and wet fine coal by taking hot-state magnetite powder as a separation medium; the vibration gas-solid separation fluidized bed is connected with a parameter real-time control system, a pressure sensor monitors density fluctuation of gas-solid suspensions in the vibration gas-solid separation fluidized bed and collision acting force of particles in a bed layer, and the magnetite powder medium bed layer forms a uniform fluidization state under the synergistic effect of pulse airflow and periodic simple harmonic vibration. The drying dehydration and the separation de-ashing of the viscous and wet fine coal in the separation medium are realized, and the quality improvement of the viscous and wet fine coal is realized. The hot magnetite powder is adopted as a separation medium, a suspension fluidization environment suitable for fine coal separation is formed under the action of vibration and pulsating airflow, and drying, separation and quality improvement of the viscous and wet fine coal are achieved.

The utility model discloses a fluidized bed with a gas-solid separation effect, and relates to the technical field of reaction engineering, in particular to the fluidized bed with the gas-solid separation effect. Comprising a split-flow fluidized bed, a series fluidized bed, an outer circulating fluidized bed, a connecting channel, a slag discharge port, a riser reactor, a separator, a steam stripping section, a regenerator, a built-in heat exchanger, a heat exchanger outside the bed, a distribution plate and an observation hole. The device consists of the split-flow fluidized bed, the serial fluidized bed and the external circulating fluidized bed, and is matched with the built-in heat exchanger and the external heat exchanger to realize efficient heat exchange and material treatment. The equipment improves the chemical reaction efficiency and the product quality through independent temperature, pressure and airflow speed control. The added components such as the separator and the riser reactor optimize the environmental protection performance and the operation safety, reduce the energy consumption and the maintenance cost, and adapt to variable process requirements.

The present invention belongs to the technical field of efficient utilization of clean, low-carbon energy using solid waste to prepare renewable energy, and specifically relates to an integrated apparatus for coal-fired kiln raw material fuel alternative dechlorination, denitrification, and coordinated solid waste treatment, comprising: a continuous rotary arch-breaking boiling gasification furnace apparatus, a secondary combustion and gas-solid separation apparatus, a circulating cooling apparatus and a control system. During a shutdown period of a cement kiln, a solid waste alternative fuel is in an aerobic full combustion working state, and a residue produced after combustion can be used as a mixed material for cement production or a raw material for cement clinker production. When a solid waste alternative fuel is burned in an oxygen-free or oxygen-poor reduction process, a high-temperature combustible gas having reducing properties is generated. The high-temperature combustible gas enters a cement kiln decomposition furnace and a pre-decomposition system, decreasing the generation of nitrogen oxides in the cement kiln decomposition furnace and pre-decomposition system. At the same time, the reducing atmosphere can be burned in the cement kiln system to generate heat, which can reduce the amount of coal used.

The invention belongs to the technical field of coal-fired power generation, and particularly relates to a peak shaving system and method for a circulating fluidized bed coal-fired power plant with a calcium-based material. The peak shaving system comprises a circulating fluidized bed boiler, a heat exchange pipeline is arranged in the circulating fluidized bed boiler, and one end of the heat exchange pipeline is connected with an inlet of a gas-solid separation device through a pipeline; the other end of the heat exchange pipeline is connected with discharge ports of a limestone / carbide slag mixing storage tank, a CaO storage tank, a CO2 storage tank and a water storage tank through pipelines, and a gas outlet of the gas-solid separation device is connected with a feed port of the CO2 storage tank through a pipeline; and a solid outlet of the gas-solid separation device is connected with feed ports of the limestone / carbide slag mixing storage tank and the CaO storage tank through a pipeline with a three-way valve. According to the invention, the calcium cycle energy storage with reversible conversion between CaO and CaCO3 / Ca (OH) 2 is utilized, and the calcium cycle energy storage technology with low cost, high energy storage density and long energy storage time is combined with the traditional coal-fired power generation technology, so that the load regulation speed and the load regulation depth of the thermal power generating unit are effectively improved.

The invention discloses a tail gas gas-solid separation device for a sodium sulfate pyrolyzing furnace, and belongs to the technical field of gas-solid separation. The device mainly comprises a pyrolyzing furnace; the separation assembly comprises a cyclone dust remover and a spray tower, a filler layer is arranged in the spray tower, and the filler layer comprises a placement vessel; the replacing assembly comprises a containing box installed on one side of the spraying tower, and a rail is arranged in the containing box; the channel mechanism comprises an opening located in one side of the spraying tower, and a first connecting block and a second connecting block are arranged on the two sides of the containing vessel in an extending mode respectively; a boss is arranged on the spray tower; a plurality of groups of first cylinders are arranged on the accommodating box corresponding to the placing vessels in quantity; a feeding assembly; and a discharging assembly. According to the tail gas gas-solid separation device for the sodium sulfate pyrolyzing furnace, the replacement assembly is arranged, so that the filler balls in the placement vessel can be rapidly and stably replaced, the downtime of equipment is remarkably shortened, and the continuity of tail gas purification operation is ensured.