390 results about "Solid fuel" patented technology

The invention discloses a photovoltaic-driven IDC electric-cooling linkage method and device, and belongs to the technical field of IDC electric-cooling linkage, and the method comprises the following steps: S1, constructing a gravity energy storage structure; s2, the gravity object is lifted to the highest point of the gravity object channel through the gravity energy storage structure; s3, air at the bottom of the gravity object channel is compressed for the second time, and a thermal cracking reaction is carried out; s4, thermal cracking gas generated by the thermal cracking reaction is drained, and combustion products are discharged into a gas storage chamber; s5, the generated steam waste heat pushes a turbine in a turbine chamber to do work for power generation; and S6, domestic hot water and night heating hot water are prepared, convective heat exchange is conducted, the low-temperature reclaimed water obtained after heat exchange is heated into high-temperature steam in a cooler, the high-temperature steam enters a turbine to become high-temperature reclaimed water, and the high-temperature reclaimed water flows into a control center or a water storage pool. The organic matter compressed garbage is used as a gravity object for gravity energy storage, and heavy oil, solid fuel, adsorbents and other high-value products are produced in the gravity energy storage process.

The invention relates to the technical field of steel sintering processes, in particular to a biomass gasification coupling system for a steel sintering process, which comprises a biomass gasification system, a circular cooler waste heat utilization system and a waste heat power generation system, the biomass gasification system comprises a biomass drying system, a raw material conveying belt system, a biomass gasification furnace, a biomass gas heat insulation combustion chamber, a sintered coke powder preparation system and a biomass gas purification system, and the biomass drying system is used for drying biomass raw materials; and the dried biomass raw materials are conveyed to the biomass gasification furnace through the raw material conveying belt system. According to the coupling system for biomass gasification for the steel sintering process and the control method, biomass serves as zero-carbon energy, and biomass charcoal obtained after biomass gasification can replace part of solid fuel to achieve the carbon reduction effect. Meanwhile, the biomass gasified gas can replace a part of coal gas, and the carbon reduction effect can also be achieved.

The present invention relates to the technical field of municipal sludge and industrial sludge treatment methods. Disclosed is a hydrothermal carbonization-based method for comprehensively treating iron-containing sludge and straw, comprising the following steps: 1) crushing and sieving straw, primarily dehydrating iron-containing sludge, and adding a catalyst for catalytic wet oxidation treatment; 2) adding wet-oxidized iron-containing sludge and a crushed and sieved fiber to a raw material storage tank and adding a dehydrating agent for dehydration treatment; 3) preheating a raw material conveying tank and then feeding the material into a reactor for a hydrothermal carbonization reaction; 4) collecting the resulting biochar slurry to a collecting tank for cooling; and 5) adding an appropriate amount of pulverized coal to the material and then carrying out plate press dehydration, or directly carrying out plate press dehydration, the material being used as a solid fuel. The present invention integrates two techniques, i.e., anaerobic digestion and hydrothermal carbonization, for sludge treatment, and the process is optimized from material and energy balance perspectives, so that the solid fuel and biochar substances are generated while sludge reduction is realized; moreover, the operation cost of the process is reduced, and the generated hydrothermal carbon can be either returned to the field for use or be used as an additive to promote anaerobic digestion, and also exhibits magnetism and can be recycled.

The invention discloses industrial solid waste treatment and resource utilization, and particularly relates to a washing-free sintering resource treatment method for household garbage incineration fly ash. Fly ash which is not washed with water, a silicon-aluminum hardening and tempering agent and solid fuel are mixed according to a specific proportion, granulated and sintered, and dioxin control and heavy metal directional migration are achieved through the temperature gradient of a material layer. According to the invention, low-temperature (1t, 150 DEG C) and low-pollution flue gas is shunted for common purification according to the temperature and component difference of flue gas at each sintering section, and dust (product dust) is returned for utilization; high-temperature (more than or equal to 150 DEG C) and high-pollution flue gas is divided for quenching and activated carbon deep purification, and dust (heavy metal concentrated ash) of the flue gas is sold for metallurgy. According to the invention, the fly ash washing link is thoroughly omitted, and the consumption of the adsorbent and the operation cost are greatly reduced while ultra-low emission is ensured through a flue gas quality-dividing and flow-dividing technology, so that low-cost, thorough harmlessness and high-value recycling of the fly ash are realized.

The invention provides a method for preparing carbon fuel from corn straw based on a functional composite binder, and belongs to the technical field of biomass solid fuel preparation. The preparation method comprises the following steps: uniformly mixing corn stalk charcoal powder with a functional composite binder to obtain a mixture, and then carrying out hot-pressing activation molding to obtain the corn stalk charcoal fuel. The functional composite binder comprises the following raw materials: phosphoric acid, polysilicic acid, polyethylene and sodium lignin sulfonate; the addition amount of the functional composite binder in the corn stalk carbon powder is 10-15 wt.%. According to the method, the controllability of the quality of the raw material carbon is greatly improved, the functional composite binder is adopted, the forming density, falling and breaking resistance and durability of the carbon fuel are improved, the process stability and repeatability are high, and a foundation is laid for large-scale production.

The invention discloses a high-aluminum limonite and specularite ore blending and sintering method which comprises the following steps: 1) preparing primary pre-blending powder: pre-blending high-aluminum limonite, specularite concentrate powder, iron oxide scale, limestone powder and anthracite powder to prepare the primary pre-blending powder with the water content of 6.5-7%; (2) preparing a uniformly mixed material: blending the primary pre-blended material powder obtained in the step (1) with high-silicon iron ore powder and hematite and limonite powder to prepare the uniformly mixed material; 3) sintering and burdening: burdening the uniformly mixed material obtained in the step 2) with limestone, dolomite powder, quicklime, solid fuel and return mine, and 4) controlling the components of the sintered ore as follows: 2.3-2.5% of Al2O3, 5.7-6.5% of SiO2, 8-8.5% of FeO and 1.85-2.5% of MgO. According to the invention, while 20-30% of the proportion of the discount ore silk road powder in the total uniformly mixed material is increased, the sintering cost is reduced by 20-42 yuan / ton, the drum strength of the sintered ore is greater than or equal to 78.5%, the return mine rate is less than or equal to 27%, and the RDI + 3.15 mm is greater than or equal to 63%.

A heating system that combusts solid fuel includes a firepot configured to hold the fuel to be combusted therein. The heating system also includes a contactless ignition system including a heating element configured to generate heat sufficient to combust the fuel within the firepot, and an element housing interfaced with the firepot. The element housing is configured to at least partially surround the heating element to prevent the heating element from contacting the fuel within the firepot.

The utility model provides a clamping mechanism for solid fuel shaping. The clamping mechanism comprises a first clamp, a second clamp, a clamping jaw unit and a feeding adjusting unit. The first clamp is fixed to the power end of the machine tool. The second clamp is connected with the first clamp, so that the clamped part is clamped between the first clamp and the second clamp; the clamping jaw unit is used for clamping and supporting the solid fuel; the feeding adjusting unit is used for adjusting the position of the clamping jaw unit so that the clamping jaw unit can accurately clamp the solid fuel and move the solid fuel to the power end of the machine tool to be fixed. In the application, the to-be-processed end of the solid fuel is used as the clamping end, so that the influence on the processing precision caused by the decentraction of the head and the tail of the solid fuel can be reduced; the clamped part is clamped through the cooperation of the first clamp and the second clamp, it can be ensured that the solid fuel cannot axially move in the machining process, the clamping jaw unit conducts auxiliary supporting from the middle or a non-machining area of the solid fuel, and the clamping stability is further improved.

The invention discloses a preparation method of a size-controllable high-purity ZIF-8 material, which comprises the following steps: 1) respectively dissolving an amine-containing organic ligand and a zinc salt in an alcohol solvent at room temperature to prepare a mixed solution of the amine-containing organic ligand and the zinc salt; 2) adding a deprotonation reagent and a template agent, stirring at low temperature for reaction, standing for aging, centrifugally collecting milk white precipitate, washing and drying to obtain a ZIF-8 precursor material; and 3) carrying out gradient calcination on the obtained ZIF-8 precursor material in an inert atmosphere to obtain high-purity ZIF-8 materials with different sizes. The ZIF-8 material is high in purity, controllable in size, rich in amino groups, good in heat stability and high in adsorption performance, low-temperature effective adsorption and fixation of chlorine elements can be achieved, the content of Cl pollutants in PVC pyrolysis products is effectively reduced, clean and high-quality high-value liquid and solid fuel products are obtained, and follow-up harmless utilization is promoted.

The invention relates to the technical field of solid fuel cells, and discloses a solid fuel cell tail gas heat energy cascade recycling system which comprises a tail gas component analysis module, a heat exchange topology construction module, a phase change heat storage control module, a residual pressure power generation adaptation module, a cascade scheduling decision module and a recycling efficiency monitoring module. The tail gas component analysis module generates a component concentration distribution map through mass spectrometry detection; the heat exchange topology construction module establishes a multi-stage heat exchanger network according to the atlas and optimizes parameters; the phase change heat storage control module deploys a phase change material array, divides a temperature control area and generates heat storage data; the excess pressure power generation adaptation module collects pressure signals and fits turbine characteristics to generate power generation parameters; the cascade scheduling decision module constructs a model through a dynamic programming algorithm and generates a scheduling instruction; and the reuse efficiency monitoring module tracks the state in real time and corrects parameters. The system realizes stepped recovery of tail gas heat energy, pressure energy and combustible components, improves energy efficiency and stability, and is suitable for solid fuel cell tail gas treatment.

To provide a solid fuel which does not solidify during heating and mixing, can be suitably prepared, and can sufficiently maintain its shape during combustion.SOLUTION: The solid fuel contains at least one compound (A) selected from the group consisting of a polyalkylene glycol having a ≤ 4 c alkylene group, an alkyl ether of a (poly) alkylene glycol having a ≤ 4 c alkylene group and an aryl ether of a (poly) alkylene glycol having a ≤ 4 c alkylene group.SELECTED DRAWING: None

The pressing device for biomass solid fuel processing comprises a workbench, a fixing frame is arranged on one side of the upper portion of the workbench, the upper portion of a supporting rod is fixedly connected with a fixing plate, a mounting plate is arranged on one side of the fixing plate, and a first hydraulic cylinder is arranged on the side, away from the fixing plate, of the mounting plate. The stroke end of the first hydraulic cylinder penetrates through the mounting plate and is fixedly connected with the material distribution groove, a plurality of punching grooves distributed in a matrix mode are formed in the position, located above the fixing frame, of the fixing plate, a third hydraulic cylinder is arranged in the middle of the lower end of the fixing frame, the stroke end of the third hydraulic cylinder is fixedly connected with a push plate, and push rods matched with the punching grooves are arranged above the push plate. The upper end of the push rod extends into the stamping groove and is fixedly connected with the push block. The pressing device is high in automation degree, biomass solid fuel can be automatically distributed, pressed, taken and collected, and the processing efficiency of the biomass solid fuel is effectively improved.

The application provides a photoresist waste liquid recycling device and process, by adding hydrochloric acid to the photoresist waste liquid in the acidification precipitation tank in the pretreatment module to adjust the pH value, the linear phenolic resin precipitation rate reaches more than 95%, and the linear phenolic resin can be used again to the production stage of the photoresist after centrifugal separation, a compound coagulant containing sulfide and polyaluminum chloride is added to the heavy metal capture tank in the pretreatment module, and the removal rate of heavy metal ions reaches 99.5%; then the photoresist fragments are separated by using an ultrafiltration device, and the diatomite modified by NaOH and polyetherimide is used for adsorption and decolorization, then two-stage vacuum distillation process is used to realize the recovery of high-purity solvents in the photoresist waste liquid, finally, the remaining residue is polymerized and cured by ultraviolet radiation, and the solid fuel with high heat value can also be prepared, so that the 'zero emission' and resource full recovery of the photoresist waste liquid are realized, and the treatment cost and environmental risk are significantly reduced.

The utility model discloses a biomass solid fuel particle cooling device which comprises a cooling box, and a conveying belt used for conveying biomass solid fuel particles is arranged in the cooling box. The inner cavity of the cooling box is provided with a blocking piece which prevents biomass solid fuel particles from falling off from the surface of the conveying belt and cools the particles on the edge of the conveying belt. Through the arrangement of the blocking piece, the air blower blows air into the hollow plate through the second communicating pipe and blows air out of the flow guide pipe at the bottom of the opposite side of the hollow plate; and meanwhile, the air outlet ends of the flow guide pipes incline downwards and point to the limiting plates on the corresponding sides, blown-out airflow can cool particles on the edge of the conveying belt, heat of the edge parts of the particles can be dissipated, the particles can be gathered to the middle of the conveying belt through the flowing direction and force of the airflow, the particles are matched with the limiting plates, and the particles are effectively prevented from falling off from the surface of the conveying belt.

The invention relates to the technical field of sintering flue gas circulation, and discloses a sintering machine flue gas circulation cascade adjusting, mixing and distributing control system which comprises a sintering machine provided with a sealing cover in the length direction, and the sealing cover is provided with a sintering initial stage section, a sintering middle stage section and a sintering later stage section; and the mixing and distributing mechanism is communicated with the sealing cover. The mixing and distributing mechanism is used for mixing circulating flue gas, annular cooling air and dust removal air of a shuttle type distributor in a preset proportion according to the oxygen demand quantity and the circulating flue gas demand quantity of the sintering initial stage, the sintering middle stage and the sintering later stage to form mixed flue gas, and the mixed flue gas is introduced into the sintering initial stage, the sintering middle stage and the sintering later stage; the utilization rate of waste heat and oxygen in circulating flue gas is greatly increased, so that the whole sintering machine meets the normal production requirement under the working condition that the average oxygen content is lower than 18%, the flue gas circulation rate is increased, and the solid fuel consumption and the CO content are reduced.

The present application provides a kind of shale gas reservoir methane combustion fracturing structure, it includes: stabilizing component, conveying component and packer component, stabilizing component is made of wellbore casing, and bottom packer and top packer are respectively fixedly installed in the inside of both ends of wellbore casing, conveying component is made of sucker rod string, and jet mechanism is fixedly installed in the inside of sucker rod string, packer component is fixedly installed to the inner wall of wellbore casing, and guide column is arranged in the inside of packer component.This application realizes the conveying of fuel and combustion improver in the inside of wellbore casing by using sucker rod string, and realizes the filling of fuel by using conveying component in sucker rod string, realizes the conveying of high-pressure gas by the cooperation of sand blasting pipe and air inlet pipe, realizes the storage of solid fuel by the cooperation of fracture, realizes the sequential conveying of fuel and combustion improver by packer component, and realizes the automatic opening of packer component by using the gas pressure generated during conveying, can realize the mixing of gas after sequential conveying in well, and can also improve the safety performance of combustion operation.

The invention discloses a low-combustion-temperature oxygen-deficient high-pressure-index rich-combustion fuel gas generating agent which comprises the following components in percentage by mass: 50-70% of an oxidizing agent; 12%-30% of hydrocarbon solid fuel; 0-2.5% of a combustion rate regulator; 9%-17% of an adhesive; 0-3.5% of a plasticizer; and 0.7-1.3% of a curing agent. The invention also discloses a preparation method of the fuel gas generating agent. According to the low-combustion-temperature oxygen-poor type high-pressure-index rich-combustion gas generating agent, the gas temperature ranges from 1100 K to 1600 K, the pressure index ranges from 0.5 to 0.8, the oxygen coefficient ranges from 0.3 to 0.45, the total molar ratio of rich-combustion gas ranges from 60% to 84.8%, rich-combustion gas is provided for a rotary detonation engine, and a power source is provided for a solid attitude and orbit control engine.

Operation of a solid fuel burning device can be monitored using a video sensor located remote from the solid fuel burning device and at least another sensor. The video sensor can record video data that monitors actions and behavior related to the solid fuel burning device. The other can record at least temperature data related to the solid fuel burning device. A controller can: detect an occurrence related to an object in at least the video data; create an identified occurrence; determine a context of the identified occurrence based on a stage of a fire cycle of the solid fuel burning device; and characterize the identified occurrence in the context as satisfactory or sub-optimal, such that: when the identified occurrence in the context is satisfactory, continue normal operation; and when the identified occurrence in the context is sub-optimal, send a message to a user of the solid fuel burning device.

A combined heat and power (CHP) system and a method of operating is provided. The CHP system includes an oxygen-air separation device. A combustion chamber has an inlet coupled to the oxygen-air separation device. The combustion chamber receives an expanded heated CO2 working gas for combustion of solid fuel and generates a CO2 exhaust gas. The expanded heated CO2 working gas comprising at least a portion of the CO2 exhaust gas. A heat exchanger receives combustion gases and outputs a cooled CO2 working gas. A turbine is provided having a compression section and an expansion section, the compression section configured to receive and compress the cooled CO2 working gas and to direct it to the heat exchanger. The turbine receives a heated CO2 working gas at the expansion section and expands the heated CO2 working gas. In an embodiment, CO2 products may be generated from the system.

The invention relates to a propulsion system (1) which is capable of generating a modular thrust, the propulsion system (1) comprising a body (10) which encloses a combustion chamber (8) in communication with at least one nozzle or propulsion valve (6) situated outside the body (10), the body (10) further enclosing a solid-fuel gas generator (9) which is configured to generate gases in the combustion chamber (8), wherein the gas generator (9) comprises a plurality of unit modules (5) which can be ignited independently by at least one combustion triggering device (40) and are separated from one another by a thermal insulator (30), the unit modules (5) being housed inside the body (10) and these unit modules (5) extending along the axis (A) while being distributed around the axis (A).

The application discloses a method and structure for low-nitrogen clean combustion and anti-extinction of a coal-fired boiler, which uses solid fuel to replace diesel oil for ultra-low load stable combustion, and uses a solid fuel stable ignition device to ignite solid fuel entering the coal-fired boiler for the first time; the application can use coal powder as solid fuel for low-cost stable combustion when the coal-fired boiler is operated at an ultra-low load, and replaces the condition that diesel oil is used as boiler stable combustion accompanying fuel under a conventional ultra-low load stable combustion condition, and is beneficial to low-nitrogen clean and high-efficiency combustion of the coal-fired boiler.

The invention relates to a solid fuel combustion characteristic test technology, and aims to provide a focusing single particle suspension variable atmosphere ignition combustion experiment device and method. A second microporous plate and a feed hopper are arranged at the top of a combustion chamber main body of the device, and a first microporous plate and a gas buffer cavity are arranged at the bottom; the two laser emitters are arranged in an included angle shape, and the energy of a single laser beam is lower than a fuel particle ignition threshold value; the two paths of laser intersect in the central area of the cavity to form a space energy focus, and the superposed energy of the two beams of laser can be absorbed at the position to reach an ignition threshold value; and light paths of diagnosis equipment in the optical acquisition module are intersected in a focus area. According to the invention, through a strategy of airflow disturbance and microwell plate blocking, particles completely move in airflow; the ignition behavior has spatial selectivity, the success rate is high and controllable, and the research is closer to the actual application scene. Through the design of single-particle fixed-point triggering, the system complexity and the control difficulty can be reduced, and the operation stability and the experiment repeatability can be improved.

The utility model discloses a briquetting device for solid fuel processing, which comprises a mounting base, the top of the mounting base is provided with a filling mechanism, the filling mechanism comprises a support frame, a storage tank, an injection pipe and a cover plate, the storage tank is internally provided with a transportation mechanism, and the bottom of the mounting base is provided with a transfer mechanism; the transfer mechanism comprises a motor mounting base, a stepping motor, a driving shaft B, a transfer support and a storage sleeve, a pressing block mechanism is arranged on the outer side of the mounting base, a supporting mechanism is arranged on one side of the pressing block mechanism, and a collecting mechanism is arranged in the mounting base. According to the solid fuel briquetting device, the filling mechanism, the conveying mechanism and the transferring mechanism are matched with raw materials for filling and transferring operation, the briquetting mechanism and the supporting mechanism are matched for briquetting the raw materials, continuous briquetting operation can be conducted on solid fuel, automatic briquetting operation on the solid fuel is achieved, and the automation degree and efficiency of briquetting operation are improved.

The invention discloses a low-energy-consumption solid fuel cell type oxygen sensor and a preparation method thereof. The low-energy-consumption solid fuel cell type oxygen sensor comprises a membrane electrode component, and the membrane electrode component comprises a first conductive substrate, an anode catalyst layer, a solid electrolyte layer, a cathode catalyst layer and a second conductive substrate which are sequentially stacked. The solid electrolyte layer is used for separating the anode catalyst layer and the cathode catalyst layer and conducting protons, a preparation material of the anode catalyst layer and a preparation material of the cathode catalyst layer respectively comprise carrier materials loaded with catalytic metal particles, and the anode catalyst layer is used for carrying out oxidation reaction; and the cathode catalyst layer is used for oxygen to generate electrochemical reduction reaction. The low-energy-consumption solid-state fuel cell type oxygen sensor is free of an external power supply, all-solid-state, long in service life and high in stability.

To provide a solid fuel stove with a simple structure that produces a blue flame during combustion and enables clean and efficient combustion, and a method for using the solid fuel stove.SOLUTION: Provided are a solid fuel stove and a method for using the solid fuel stove, the solid fuel stove comprising: a body part having a bottom plate, a top plate, and side plates; a solid fuel storage part provided on a lower part inside the body part; a gas mixing chamber located on an upper part inside of the body part; a first air supply port provided on the lower part of the side plate of the body part; a second air supply port provided on the upper part of the side plate of the body part; and a flame port provided on the top plate.SELECTED DRAWING: Figure 2

A self-cleaning solid fuel grilling device comprises a grilling cavity and a firepot disposed within the grilling cavity. In addition, the embodiment includes an evacuation cavity disposed beneath the firepot. The evacuation cavity is in communication with the grilling cavity.

A pulverizing roller has a ring-shaped roller portion (49) fitted to the outer peripheral portion of the journal housing from the outside, and pulverizes solid fuel between the roller portion and a pulverizing table. The roller portion (49) has a first portion (49A) and a second portion (49B) arranged in the axial direction in alignment with the first portion (49A) and fixed to the first portion (49A). The first portion (49A) has a first base portion (51A) fitted to the outer peripheral portion of the journal housing from the outside, and a first ceramic portion (52A) provided to the outer peripheral surface of the first base portion (51A) and having superior wear resistance to the first base portion (51A). The second portion (49B) has a second base portion (51B) fitted to the outer peripheral portion of the journal housing from the outside, and a second ceramic portion (52B) provided to the outer peripheral surface of the second base portion (51B) and having superior wear resistance to the second base portion (51B).

The utility model belongs to the field of solid fuel modification, and particularly discloses a solid fuel comprehensive modification device and a power system.The solid fuel comprehensive modification device comprises a modification unit, the modification unit comprises at least one washing assembly, and each washing assembly comprises at least one washing box; the washing tank is used for containing solid fuel to be modified and introducing a liquid solvent to form mixed slurry, and non-desulfurized flue gas is introduced into the mixed slurry to achieve comprehensive modification of the solid fuel. On one hand, mineral substances such as alkali metal and alkaline earth metal in the solid fuel can be removed, so that the heat value of the solid fuel is effectively increased, the contamination and slagging tendency in the combustion process is weakened, the emission amount of particulate matter is reduced, and on the other hand, the physical characteristics and chemical characteristics of the solid fuel can be improved; such as a carbon structure, a pore structure, hydrophilicity and hydrophobicity, free radicals and the like, so that subsequent high-value utilization of the solid fuel is facilitated, and comprehensive modification of the solid fuel is realized.

Method for burning solid fuel on a stepped grate (20) of a mobile solid fuel combustion plant (2), which has several steps arranged between side walls (42), each consisting of an intermediate plate (38) and a pusher plate (36) movable relative to the side walls (42) and the intermediate plate (38), in which the pusher plates (36) push burning solid fuel in the direction of the steps (56) from one step to the next lower step by a relative movement to the respective adjacent intermediate plates (38), characterized in that the solid fuel is burned on the pusher plates (36) and, after the end of a burning period, is conveyed during a pusher period to the next lower pusher plate (36) and burns there during the following burning period.

The invention discloses a rare earth tailing-based aerogel catalyst for refractory coal and a preparation method thereof, and the preparation method comprises the following steps: a, pretreating rare earth tailings rich in cerium oxide to obtain raw material powder; b, carrying out modification treatment on the raw material powder obtained in the step a to obtain modified powder; and c, preparing rare earth tailing-based aerogel from the modified powder obtained in the step b, and grinding to obtain the catalyst. The rare earth tailing-based aerogel catalyst prepared by the invention has a relatively high specific surface area and a rich pore structure, obviously improves the combustion efficiency of fire coal, can be suitable for fire-retardant solid fuel, realizes wide-load stable combustion of fire-retardant coal powder, expands the coal type adaptability of a unit, reduces the use amount of long flame coal, and reduces the production cost. The coking problem is effectively solved.