148results about "Waste based fuel" patented technology

The utility model belongs to the field of combustion testing device, specifically is a kind of granular biomass fuel combustion testing device, including combustion cylinder, the combustion cylinder outside is fixedly connected with support disc, the support disc outside is fixedly connected with four first support leg, the first support leg bottom is fixedly connected with mounting disc, the mounting disc outside is fixedly connected with four second support leg.The utility model is supported to first bearing disc by first limit ring, and first bearing disc and inner tooth ring are connected together by connecting cylinder, then the granule is supported by first bearing disc, and the granule is supported by second bearing disc and third bearing disc, simultaneously, the granule can also be opened by breathable conical cylinder, so that the granule internal does not completely present coincidence condition, and the granule internal can also be ventilated by breathable conical cylinder, so as to guarantee that granule can burn more fully, to guarantee that the data of granule combustion can be more accurate.

The application discloses a process for converting broken hair into methane and relates to the technical field of energy conversion, and comprises the following steps: hair pretreatment, hair crushing and screening, raw material mixing and catalyst adding, anaerobic fermentation reaction, and methane separation and purification. Compared with the prior art, the process has the advantages of rich raw materials, environmental protection, high conversion efficiency, high product quality and strong controllability.

This utility model discloses a magnetic attraction device for a crusher used in low-pollution biomass pellet production, specifically relating to the field of magnetic attraction technology for crushers. It includes a support frame, with a magnetic attraction processing device for the biomass pellet crusher installed inside the upper end of the support frame. The magnetic attraction processing device comprises a crushing and feeding extraction component and a magnetic attraction processing component. Compared with existing technologies, this utility model uses a collection frame for collection. After collection, the collection frame can be moved out by pulling a handle. An automatic magnetic conveyor belt automatically rolls and transports materials for demagnetization and strong magnetic attraction, achieving adsorption of metals inside the biomass pellets. This greatly improves the practicality and ease of use of the entire device, reducing the difficulty of adsorption and waste collection.

This utility model relates to the field of nutrient soil preparation technology, specifically a tool for preparing biogas residue-based horticultural nutrient soil. It includes a main body, support legs, an extension block, a feeding trough, and a mixing device. The support legs are fixedly connected to the lower surface of the main body, the extension block is fixedly connected to the surface of the support legs, and the feeding trough is fixedly connected to the upper surface of the main body. The mixing device is located inside the main body and includes a mounting plate fixedly connected to the surface of the main body. A motor is fixedly connected to the upper surface of the mounting plate, and a coupling is fixedly connected to the output end of the motor. A mixing shaft is fixedly connected to the inner wall of the coupling, and a support plate is fixedly connected to the surface of the mixing shaft. A support shaft is fixedly connected to the inner wall of the support plate. This utility model, by incorporating a mixing device, facilitates the mixing of biogas residue with other materials, ensuring more thorough mixing and improving the quality of the nutrient soil. This effectively enhances the practicality of the equipment.

The present invention easily yields, in a short time, a gas consisting mainly of high-concentration methane, by gasifying a yielded biocoal carbonization product. In this subcritical-water treatment device, a first-stage treatment at 150-220°C for a predetermined and prescribed treatment time is set in a first-stage temperature range not higher than 220°C, and a second-stage treatment at 110-130°C for a predetermined and prescribed treatment time is set in a second-stage temperature range not higher than 130°C. In the first-stage treatment, low-grade coal as a raw material to be treated is deprived of moisture to form voids in a volume amount of 20% or larger per unit volume of the low-grade coal, and molten / liquefied components are formed from some of the low-grade coal. In the second-stage treatment, the molten / liquefied components are solidified in the voids and caused to adhere to components in the other portions that have not been melted or liquefied, thereby filling the voids and yielding a biocoal carbonization product having a void content of 9% or less with respect to the entire volume. This device for utilizing reformed low-grade coal is equipped with a gasification means for methanating the biocoal carbonization product, the gasification means gasifying, in a non-oxidization state, the reformed low-grade coal yielded from a bio-based carbonization product to yield methane.

The utility model discloses screening equipment for biomass particle processing, which belongs to the technical field of particle screening, and adopts the technical scheme that the screening equipment comprises a support frame, a screen is arranged in the support frame in a sliding manner, a self-cleaning component is arranged at the bottom of the screen, an angle adjusting component is arranged at the bottom of the support frame, and the self-cleaning component is arranged in the support frame. The angle adjusting assembly comprises four pin shafts, the pin shafts are connected to the front side and the rear side of the two sides of the supporting frame in a bolted mode, the surfaces of the pin shafts are sleeved with rotating rings, the bottoms of the rotating rings are connected with mounting bases in a bolted mode, and the bottoms of the two mounting bases on the front side are connected with telescopic electric cylinders in a bolted mode. The problems that the screening quality is affected due to the fact that the angle of a screen mesh cannot be freely and accurately adjusted according to different screening requirements, the discharging speed and the screening duration of the screen mesh cannot be controlled, and the screen mesh can adapt to different screening scenes and can conduct effective screening are solved.

The application discloses a biomass fermentation process for preparing green methanol, which comprises the following steps: providing a biomass raw material, and fermenting to obtain biogas; obtaining rich-methane gas after crude purification of the biogas; obtaining qualified rich-methane gas after super-precision detoxification of the rich-methane gas; adding medium-pressure steam into the qualified rich-methane gas, and performing a methane steam reforming reaction to obtain a mixed gas; performing PSA treatment on the mixed gas to obtain a resolved gas and a raw material gas; and feeding the resolved gas into a normal-temperature catalytic heat exchange system, and taking the raw material gas as one of raw materials for methanol synthesis to prepare refined methanol. The application realizes full-chain coupling and efficient utilization, combines biomass fermentation, biogas purification and methane steam reforming, and adopts a CO2 circulation technology. The application realizes full-process energy integration: the waste heat in the fermentation process, the waste heat of the PSA resolved gas and the waste water of rectification are utilized to drive the methane steam reforming reaction, the system energy consumption is reduced, and the economic efficiency and sustainability of the system are further improved.

The object of the present invention is to provide a biogas treatment facility and a biogas treatment method that enable the removal of carbon dioxide contained in biogas generated by methane fermentation in a simple and low-cost manner. [Solution] To solve the above problems, we provide a biogas treatment facility and a biogas treatment method that include a gas-liquid contact section for bringing biogas discharged from a methane fermentation facility into contact with an aqueous solution containing alkaline earth metal ions, wherein a carbonate precipitation reaction proceeds in the gas-liquid contact section. [Effect] According to this invention, for biogas generated by methane fermentation and having a relatively high carbon dioxide content, carbon dioxide can be removed (recovered and fixed) from the biogas by a carbonate precipitation reaction that proceeds without the supply of external energy. This makes it possible to remove carbon dioxide contained in biogas simply and at low cost.

The present application relates to the technical field of excrement treatment, and particularly relates to a feces treatment method based on flora analysis, comprising obtaining reaction temperature and material Ph value and determining gas production relative deviation based on gas production, determining device operation state based on characteristic parameters; in response to the device operation state, determining abnormal characteristic identification to obtain key functional flora parameters, determining flora balance index based on the key functional flora parameters to determine whether acid-producing bacteria and methanogenic bacteria are in flora balance; determining smoothness index according to the change curve of a plurality of actual flora balance indexes obtained in an initial detection period to determine the deviation degree of the flora balance index, and adjusting the correction sensitivity coefficient of the feed adjustment amount based on the smoothness index. The present application performs real-time monitoring and dynamic regulation on the excrement treatment process based on the flora analysis result to maintain optimal flora structure and metabolic activity, and improves treatment efficiency and stability.

This utility model relates to the field of biofuel pellet transfer and transportation technology, and discloses a biofuel pellet transfer and transportation structure, including a box body with a lid on the top. A rubber pad is fixedly connected inside the box body, and a connecting component is provided on the outer wall of the box body. An opening and closing component is provided inside the box body. The connecting component includes a connecting block and a groove formed inside the box body. The side wall of the connecting block is fixedly connected to the outer wall of the box body, and the connecting block and the groove are fitted together. A slot is formed inside the connecting block. In this utility model, by inserting the connecting blocks of the same side wall of the box body into the groove, the outer wall of the connecting block will compress the trapezoidal block, causing the trapezoidal block to drive the sliding plate to compress the spring. When the connecting block is fully inserted, the spring releases its elastic potential energy, causing the trapezoidal block to lock into the slot. This solves the problem of relative sliding, displacement, or even separation of multiple boxes during transportation, improving the integrity and stability of the transportation structure.

The application discloses an engineering biogas fermentation device and a method thereof. The fermentation device comprises a liquid fermentation material feeding mechanism and a solid fermentation material feeding mechanism. The liquid fermentation material feeding mechanism comprises a homogenate pool, which is connected with a feeding port of the fermentation device through a liquid inlet pipe. The solid fermentation material feeding mechanism comprises a feeding hopper and a conveying device. The conveying device comprises a motor and a conveying belt driven by the motor. The feeding hopper is arranged on the conveying belt. The solid fermentation material enters the feeding hopper and is fed to the fermentation device by the conveying device as needed. The liquid fermentation material feeding mechanism and the solid fermentation material feeding mechanism cooperate to form a mixed area for feeding in two directions at the bottom of the fermentation device. The application can reduce the methane emission of fermentation materials in the storage link in the station and the energy efficiency loss caused by invalid degradation of the fermentation materials. The application can provide high-quality fermentation raw materials for a biogas project and realize effective quality preservation and emission reduction.

The present application belongs to the field of biomass anaerobic digestion, and provides a two-phase integrated anaerobic digestion and exogenous particle recycling device.The device comprises a main reactor, an online liquid level control system, a gas collection system and a gas backflow stirring system, and the main reactor contains a hydrolysis acidification zone, an acid production buffer zone and a methane production zone.The hydrolysis acidification zone is provided with a hydrolysis acidification chamber, a stirring device, a hydrolysis acidification chamber sample discharge port and a sample inlet.The acid production buffer zone comprises an acid production buffer chamber and an improved three-way valve.The methane production zone comprises a methane production chamber sample discharge port, a gas distribution device, a methane production chamber, a PVC connecting pipe, a particle settling zone, an overflow sample discharge port, a partition, a particle settling zone sample discharge port, a baffle and a sludge discharge port.The two-phase integrated anaerobic digester in the present application separates the hydrolysis acidification zone and the methane production zone through an upper and lower layered anaerobic digestion tank, which is conducive to improving the organic load and volumetric gas production rate of the system, and the reactor structure is compact, reducing the floor area.

The application provides an environment-friendly high-efficiency defoaming agent for an anaerobic digestion system, and belongs to the technical field of defoaming agents.The application comprises the following components in percentage by mass: 15-20% of a solid defoaming component, 35-50% of an oil-state defoaming agent component, 30-40% of water, 4% of a composite emulsifier and 1% of a thickening agent; the solid defoaming component is one of calcium soap, glycerol monostearate and biocarbon of biogas residue; the oil-state defoaming agent component is glycerol trioleate or mineral oil; the compounding relationship of the solid defoaming component and the oil-state defoaming agent component does not comprise the compounding of calcium soap and mineral oil.The application is prepared by using components without biological toxicity and containing no silicon, and the obtained environment-friendly high-efficiency defoaming agent for the anaerobic digestion system has no biological toxicity, does not damage the gas production efficiency of the anaerobic digestion system, has high foam inhibition effect and foam reduction rate, and does not pollute the biogas combustion system after use.

To provide a small-scale biomass solid production device and a biomass solid production method that can produce biomass solids that are easy to handle and suitable for various applications.SOLUTION: There are provided: a biomass solid production device for producing biomass solid X from kitchen waste x; and a biomass solid production method using the same. The biomass solid production device comprises a syringe-like configuration that can perform a dehydration step, a drying step, a carbonization step, and a cooling step in a single processing container, in a procedure of causing an operation head 10 to pressurize the kitchen waste x toward an end of a processing region 1a, and striking or rotating the pressurized kitchen waste x.SELECTED DRAWING: Figure 1

This invention discloses a harmless treatment device for livestock and poultry breeding waste, belonging to the field of anaerobic treatment technology. To address the problem of biogas suffocation during biogas digester use, leading to a significant reduction in effective gas production and affecting digester safety, as well as poor gas-liquid separation during gas collection and severe liquid contamination in biogas, resulting in low pure gas capture rates, the invention includes a biogas digester body and an inlet connected to one side of the digester body. A skylight cover is fixed to the upper center of the digester body, and ventilation ports are provided on both sides of the bottom surface of the skylight cover. This invention enables the collection and circulation of biogas from within the liquid. Combined with the ventilation ports and guide pipes, it collects and circulates the naturally rising biogas within the digester body, improving biogas collection efficiency while preventing scum and foam from covering the gas-liquid interface, thus avoiding suffocation of biogas and affecting biogas collection efficiency and pressure safety within the digester body.

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).

This utility model belongs to the field of tobacco curing technology and discloses an automatic feeder. The automatic feeder includes a casing, a hopper, a conveying trough, a conveying mechanism, and a control component. The casing includes a first chamber and a second chamber; the hopper is located on the top of the casing and communicates with the first chamber; the conveying trough is located on the side of the casing near the first chamber and communicates with the first chamber; the conveying mechanism includes a conveying component and a power component. The conveying component is located in the first chamber to convey fuel, and the power component is located in the second chamber and connected to the conveying component to drive the conveying component; the control component includes a controller and a curing barn controller, and the controller is communicatively connected to both the power component and the curing barn controller. In this application, the controller dynamically adjusts the power of the power component based on the curing barn temperature feedback from the curing barn controller, thereby controlling the fuel conveying speed, improving the temperature control accuracy and tobacco quality during tobacco curing, reducing manual labor intensity, and increasing tobacco curing efficiency.

The present application relates to the technical field of biomass black particle, and provides a method for continuously producing forestry biomass black particles with low energy consumption and a product thereof, the method comprising the following steps: mixing forestry biomass crushed material with a water content of less than 12% with an acid component after impurity removal and preheating treatment to obtain a mixed system; performing steam insulation and pressure maintaining treatment on the mixed system, then performing pressure reduction and spraying, and performing steam-solid separation to obtain a solid with a water content of 12-18%; and forming the solid to obtain the biomass black particles; the acid component is obtained by removing volatile components in a steam component obtained through steam-solid separation by a rectification process with a vacuum degree of 80-85 kPa; and the volatile components include one or a combination of two or more of essential oil, resin acid and furfural. The present application is continuously operated in the whole process, the process is controllable, the product quality is stable, and the utilization rate of forestry biomass components is high.

The invention provides non-naturally occurring microbial organisms containing enzymatic pathways and / or metabolic modifications for enhancing carbon flux through acetyl-CoA. In some embodiments, the microbial organisms having such pathways also include pathways for generating reducing equivalents, formaldehyde fixation and / or formate assimilation. The enhanced carbon flux through acetyl-CoA, in combination with pathways for generating reducing equivalents, formaldehyde fixation and / or formate assimilation can, in some embodiments, be used for production of a bioderived compound. Accordingly, in some embodiments, the microbial organisms of the invention can include a pathway capable of producing a bioderived compound of the invention. The invention still further provides a method for producing a bioderived compound of the invention.

The utility model belongs to the field of solid waste treatment equipment, and particularly relates to a high-pressure forming solid waste compact fuel device which comprises a base, a vertical plate fixedly mounted at the top of the base, a top plate fixedly mounted at the top of the vertical plate, a forming shell fixedly mounted at the top of the base, and an upper extrusion plate arranged above the forming shell. A guide mechanism is arranged between the upper extrusion plate and the top plate, a mounting plate is mounted on one side of the upper extrusion plate through a detachable structure, a hydraulic cylinder is fixedly mounted on one side of the mounting plate, an output shaft of the hydraulic cylinder penetrates through the mounting plate and is fixedly provided with a side extrusion plate, and a limiting mechanism is arranged between the side extrusion plate and the mounting plate. And blocking mechanisms are arranged at the bottoms of the side extrusion plates. The solid waste compact fuel extrusion forming device is reasonable in design, solid waste compact fuel can be extruded in the horizontal direction and the vertical direction through movement of the upper extrusion plate and the side extrusion plate, and the purpose of solid waste compact fuel extrusion forming can be achieved.

This invention provides a biomass fuel and its preparation method, belonging to the field of waste utilization technology. This invention mixes different waste materials to prepare biomass raw materials, and simultaneously utilizes microbial strains to transform the organic flame retardants contained in the waste raw materials into new flammable agents through biochemical reactions. The prepared biomass fuel has high calorific value, low smoke and dust, and excellent combustion performance, making rational use of various waste materials, and is environmentally friendly, efficient, and energy-saving. The results of the embodiments show that the biomass fuel prepared by this invention has a calorific value of 35.6 MJ / kg, a calorific value of 4100 cal / g, a combustion efficiency of 99.1%, and low smoke and dust.

The application discloses a multi-tank linkage type tail gas centralized collection assembly and relates to the field of tail gas collection, which comprises a first tank body. The gas generated in the fermentation process can be filtered through the filtering mechanism, which provides convenience for the subsequent collection of the gas. When the filtering efficiency of the filter plate decreases, the filter plate can be quickly replaced. The filtering box is connected with the first tank body and the second tank body through a pipeline. The gas generated in the fermentation flows into the filtering box from the pipeline. The gas is filtered when passing through the filter plate. The filtered gas is collected. When the filtering effect of the filter plate decreases, the pull plate is manually pulled. The two pull rods are pulled outwards by the pull plate. The clamping block is moved out of the filter plate clamping groove. The filter plate is pulled upwards. The filter plate is taken out and replaced. The gas generated in the fermentation is filtered. When the filtering capacity decreases, the filter plate can be quickly replaced.

This utility model relates to the field of wastewater treatment technology and discloses a biochemical treatment device for high COD and high ammonia nitrogen wastewater. It includes an anaerobic tank, a primary A tank, a primary O tank, a secondary A tank, a secondary O tank, and a UF device connected in sequence. A water seal trough is installed at the outlet of the anaerobic tank, and the water seal trough is connected to the primary A tank via a pipe. A gas stirring device is installed at the bottom of the sealed primary A tank, and the gas stirring device is connected to the outlet of a stirring blower. The top of the primary A tank is sealed, and the top of the sealed primary A tank is connected to the inlet of the stirring blower via a pipe. In this utility model, biogas generated by anaerobic digestion is introduced as the carbon source for denitrification in the sealed secondary A tank, improving the utilization rate of carbon sources within the wastewater and saving the cost of external carbon source supplementation. The large amount of heat generated by aerobic biochemical treatment is used to heat the anaerobic circulating influent through a heat exchanger, increasing the temperature of the anaerobic tank while simultaneously decreasing the temperature of the aerobic tank, achieving energy reuse and enabling the system to achieve a "cost reduction and efficiency improvement" effect.

The present application relates to large power plant biomass blending combustion power generation technical field, provide a kind of biomass granular material online metering device and its working method, including: upper feeding channel, funnel-shaped feed bin, funnel-shaped lower feeding channel, funnel-shaped sampling channel, cylindrical box-shaped cavity and the rotating material shifting disc being arranged in cylindrical box-shaped cavity;The rotating material shifting disc divides the cylindrical box-shaped cavity into several cavities;The top surface of the cylindrical box-shaped cavity is provided with feed inlet, the upper feeding channel is arranged directly above the feed inlet, and the feed bin is arranged directly above the upper feeding channel;The bottom surface of the cylindrical box-shaped cavity is provided with sampling port and feeding port, the lower feeding channel is arranged directly below the feeding port, the sampling channel is arranged directly below the sampling port, and a baffle door is arranged between the sampling port and the sampling channel.It can realize the online accurate metering of biomass feeding.

The utility model provides wood biomass particle dust removal equipment with an efficient dust removal function, and relates to the technical field of dust removal equipment, the wood biomass particle dust removal equipment comprises a workbench, a top cover and a net plate, the bottom of the left side of the workbench is communicated with a drain valve, the left side of the workbench is provided with a water injection mechanism, and the front side of the workbench is provided with an air suction mechanism; a dust removal mechanism is arranged in the workbench; the draught fan extracts air in the working table through the air collecting pipe and the branch pipe, suction force is generated in the working table under the action of air pressure difference to suck dust on wood biomass particles, the dust penetrates through holes in the net plate to enter the working table, the motor can drive the water wheel to rotate at a high speed in the working table, and the dust on the wood biomass particles can be removed. The water wheel continuously impacts the liquid level to generate water spray, dust can be captured after dust-containing gas passes through the water spray, and the dust is guided by the guide plate to be precipitated at the bottom of the workbench so as to be used for removing dust on wood biomass particles.

The utility model is suitable for the technical field of biomass fuel processing, provides a kind of biomass granular fuel production and processing equipment, including support seat, for supporting installation to processing component and sorting component, processing component is used to process biomass granular fuel, processing component includes processing shell, fixed mounting is in support seat, processing motor, fixed mounting is in processing shell, the output shaft of processing motor is connected with processing shaft through transmission mechanism, processing shaft is rotatably matched with processing shell, by the setting of processing component, to realize when biomass granular fuel is produced, the size of biomass granular fuel production can be adjusted at any time according to the demand of granular fuel use, the production of biomass granular fuel is more flexible, by optimizing production process, not only the efficiency of production process is improved, but also production cost can be greatly reduced, and equipment investment cost is reduced, space and energy consumption are saved.

This invention relates to an anaerobic biological treatment device and operating method for sulfate-containing organic wastewater, belonging to the field of industrial wastewater treatment technology. It includes an inlet tank, a main inlet pipe, a main reaction zone, an external circulator, an automatic dosing device, and a nitrate-containing wastewater storage tank. The inlet tank is connected to one end of the main inlet pipe via a second connecting pipe, and the other end of the main inlet pipe is connected to a water distributor located in the main reaction zone. The main reaction zone is connected to the external circulator via a first connecting pipe, and the external circulator is connected to the main inlet pipe via a third connecting pipe. An automatic dosing device is installed at the top of the external circulator, and the nitrate-containing wastewater storage tank is connected to the external circulator via a fourth connecting pipe. An aeration head is installed at the bottom of the inner cavity of the external circulator. This invention separates the aeration zone and the main reaction zone, avoiding sludge leakage caused by direct aeration, maintaining the stability of the anaerobic system, and features a simple structure, adjustable parameters, and a wide range of applications.

The present invention relates to a method for continuously preparing a powder material having a calorific value greater than that of an initial biomass, the method comprising a steam cracking step, characterized in that the initial biomass consists of components with a particle size distribution of P25-P100 and a moisture content of less than 27%, and is directly subjected to a steam cracking treatment.

This invention provides a method for producing single-cell protein using a mixed bacterial culture, comprising the following steps: performing primary seed culture on methanogenic bacteria, *Tricholoma materata*, and *Glucosinolate methyl-eating bacteria* to obtain primary seed solutions; mixing the primary seed culture solutions evenly to obtain a mixed bacterial solution; inoculating the obtained mixed bacterial solution into a secondary seed culture medium for cultivation to obtain a secondary seed solution; inoculating the obtained secondary seed solution into a fermentation medium for scale-up cultivation to obtain a fermentation broth; separating the solid and liquid components of the obtained fermentation broth, harvesting the bacterial cells, and obtaining single-cell protein. This method for producing single-cell protein using a mixed bacterial culture improves the utilization rate of the carbon source methane and the yield of single-cell protein.

A biogas collection and purification system that includes a plurality of sources of biogas and a network of conduits configured to convey the biogas from the sources to a central processing facility for processing the biogas into methane. The central processing facility removes impurities to convert biogas to biomethane and may include an H2S removal stage; an activated carbon scrubber; a gas drier; and a carbon dioxide removal stage. The facility also has a biomethane gas compressor configured to deliver the biomethane for use in power plants, for CNG production. Ancillaries to the system include fuel cells for direct electricity generation from biogas / biomethane.