18results about How to "Improve gas utilization" patented technology

The present invention discloses a gas power device, comprising an outer ring and a core body, wherein at least one-step secondary flow channel is arranged between the nozzle and the exhaust port on the outer ring surface of the core body, gas enters from the air inlet channel, is ejected step by step through the nozzle of the core body and the secondary flow channel, acts on at least two driving recesses on the circumference of the outer ring, generates thrust on these driving recesses, drives the outer ring to rotate and do work, realizes power output, and finally, the gas is discharged through the exhaust port of the core body via the exhaust channel.

The present application relates to a kind of biomass energy for zirconium oxychloride preparation zirconium oxide method and device, preparation method includes the following steps: first air purge the reaction furnace 4~8h, then into the reaction furnace and passes into biomass gas, after ignition control reaction furnace gradually heated to 800~1000 ℃, then zirconium oxychloride is placed in the reaction furnace, calcination 14~18h, obtain zirconium oxide.The device includes biomass gasifier, reaction furnace, hydrochloric acid absorption tower and flue gas absorption tower.The present application uses biomass as clean energy, burning efficiency is high, compared with traditional coal process, energy consumption is greatly reduced, significantly reduce carbon emissions, while nitrogen, sulfur content in flue gas is greatly reduced, easy to reach environmental protection emission standard, effectively solve the pollution problem of traditional process.

The utility model discloses a layered and opposite type sinking burner for ladle roasting, including gas pipeline, primary air casing, secondary air casing and tertiary air casing, the upper end of gas pipeline is used for with gas supply pipeline intercommunication and the lower end opening forms gas spout, the gap between primary air casing and gas pipeline forms primary air channel, the gap between secondary air casing and primary air casing forms secondary air channel, the gap between tertiary air casing and secondary air casing forms tertiary air channel, and primary air channel, secondary air channel and tertiary air channel are all used for with preheating combustion air pipeline intercommunication, and the lower end opening of primary air casing forms primary air spout, and the lower end opening of secondary air casing forms secondary air spout, and the lateral wall of tertiary air casing is equipped with a plurality of tertiary air spout. Can guarantee the full mixing of gas and combustion air, and can make full use of the heat of high temperature flue gas, and can carry out effective afterburning treatment to the unburnt component remaining in high temperature flue gas.

The invention relates to the technical field of oil processing, in particular to an oil wet meal desolventizing and evaporating device and process, which comprises a DTDC desolventizing machine, and the DTDC desolventizing machine comprises a desolventizing layer and a drying layer; an inlet of the desolventizing layer is communicated with a water-vapor-free outlet of the independent steam production unit, and a dead steam outlet of the independent steam production unit is communicated with an inlet of the low-pressure dead steam recycling unit; an inlet of the drying layer is communicated with an air outlet of the environment-friendly gas circulating unit, an outlet of the drying layer is communicated with an inlet of the meal trapping unit, and a steam outlet of the low-pressure dead steam recycling unit is communicated with the inlet of the drying layer. Through redesign and optimization of an existing oil wet meal desolventizing and hot air drying process route and structural improvement of part of equipment, the steam utilization rate is increased, the surrounding environment is improved, cost is saved for enterprises, and benefits are improved.

The invention relates to a self-drainage fuel cell bipolar plate, a drainage method and a fuel cell. The self-drainage fuel cell bipolar plate comprises a bipolar plate main body, wherein a runner structure is arranged on the surface of the bipolar plate main body; the cilia structure is distributed on the surface of the runner structure; the gas inlet and the gas outlet are formed in the two ends of the flow channel structure respectively so as to allow reaction gas to enter and generate water after reaction to be discharged; a solid-liquid film is formed between the water drops and the top end of the cilium structure, and water generated after gas reaction is discharged on the solid-liquid film along the flow channel structure in a sliding mode. According to the self-drainage fuel cell bipolar plate, efficient drainage is achieved by arranging the runner structure and the cilia structure, the cilia structure imitates cilia on the leg surface of a water strider and is in a filament shape, water drops can only make contact with the top ends of the cilia to form a solid-liquid film, the solid-liquid film is discharged in a sliding mode along the runner, and the water drops are effectively prevented from being detained in a flow field.

The present invention discloses a pneumatic tool, comprising a housing, a gas power device and a tool group, wherein the gas power device and the tool group are both arranged on the housing, and the tool group is drivingly connected to the gas power device; the gas power device comprises: an outer ring, whose inner ring surface is circumferentially provided with a plurality of driving recesses; a core body, which is coaxially arranged in the outer ring and can rotate relative to the outer ring, and the outer ring surface of the core body is provided with at least one nozzle, at least one outlet, and at least one flushing channel between the nozzle and the outlet; at least one air inlet channel, which is connected to at least one nozzle; and at least one exhaust channel, which is connected to at least one outlet. Compared with electric tools, the pneumatic tool of the present invention has the advantage of insulation to prevent accidental electric shock, and is suitable for underwater and other occasions.

The utility model discloses an adsorption-enrichment-catalysis coupling VOCs (volatile organic compounds) purification device based on a zeolite runner, the device comprises a gas inlet module, a discharge module, a filter module, a blast module and a zeolite runner module, the zeolite runner module comprises the zeolite runner which is rotatably mounted, a bimetallic cluster catalyst is arranged on the zeolite runner, and the zeolite runner is provided with an air inlet and an air outlet. A desorption purification area, a cooling regeneration area and an adsorption purification area except the desorption purification area and the cooling regeneration area which are opposite to the two passages of the V-shaped pipeline opening are formed in the zeolite rotating wheel during rotation, and a heat exchange chamber is arranged on the other side, opposite to the V-shaped pipeline opening, of the zeolite rotating wheel. The VOCs adsorption-enrichment-catalysis coupling integrated VOCs purification device provided by the utility model is green, environment-friendly, high in treatment efficiency, wide in application and low in energy consumption, can simultaneously realize efficient removal of VOCs under the working condition of low-concentration and large-air-volume VOCs waste gas, and reduces the process energy consumption, the occupied area and the investment and operation cost of purification equipment.

The present application relates to a lotus leaf-like biomimetic bipolar plate, a self-draining method thereof and a fuel cell, the lotus leaf-like biomimetic bipolar plate comprising a bipolar plate body, a flow channel ridge, a flow channel, a branch flow channel, a confluence flow channel, a gas inlet and a gas outlet; the flow channel is provided with uniformly distributed micro flow fields; the micro flow field comprises uniformly distributed lotus leaf-like papilla structures. The lotus leaf-like biomimetic bipolar plate is provided with micro flow fields in the flow field and lotus leaf-like papilla structures in the micro flow field, so that the water generated by the reaction cannot be infiltrated in the flow field, but is separated by the lotus leaf-like papilla structures into the form of water droplets and slid out of the bipolar plate, the draining efficiency is improved, and the phenomenon of water flooding of the fuel cell is reduced.

A novel reverse flow type gas dissolving kettle comprises a tank body, a backflushing ring, a water outlet pipe, an L-shaped water inlet pipe, a partition plate, an overflow hole, a gas pipe connector, a water pump and a gas source, the water pump is connected with the L-shaped water inlet pipe, water is conveyed into the tank body from the lower portion of the tank body, the gas source conveys gas through the gas pipe connector, and a gas-water mixture enters the L-shaped water inlet pipe, is pressurized according to the Venturi principle and impacts the backflushing ring through a second necking opening; small molecular group water is formed and enters a dissolving area, and gas is highly dissolved under the combined action of high pressure and small molecular groups; dissolved water carrying gas enters the discharge area through the overflow hole and is discharged through the water outlet pipe. The device has the characteristics of simple structure, high gas solubility, low energy consumption, small occupied area, high gas utilization rate, low cost and the like, and can be suitable for various water-soluble gases such as ammonia, oxygen, chlorine, carbon dioxide and the like.

The utility model relates to a small-sized burner with a flame stabilizing structure, which comprises a shell assembly, a mixed gas flow channel is formed in the shell assembly, the mixed gas flow channel is provided with a gas inlet port and a gas outlet port, a fire hole surface is arranged at the gas outlet port, and a flame stabilizing structure is arranged on the fire hole surface. A plurality of first fire hole sets are formed in the fire hole face in the length direction of the shell assembly, each first fire hole set comprises one or more long-strip-shaped first main flame holes and one or more round flame stabilizing holes, and the first main flame holes and the round flame stabilizing holes in the same set are arranged at intervals in the extending linear direction of the first main flame holes. According to the burner, the long-strip-shaped main flame holes are matched with the round flame stabilizing holes on the fire hole face, flames are more stable, the combustion efficiency of fuel gas is improved, and the burner has the advantages of being stable in flames and high in fuel gas utilization rate.

The invention provides a blast furnace gas utilization rate prediction method based on process industrial data processing, and relates to the technical field of process data processing, and the blast furnace gas utilization rate prediction method comprises the following steps: collecting various data of a blast furnace, establishing a real-time circulation processing rule, processing and storing the various data, and cleaning and supplementing the data to obtain first processing data; performing data disassembly and integration on the first processing data based on the real-time blanking condition of the blast furnace, and obtaining a first production data set in combination with the time lag influence of each piece of data on the gas utilization rate; monitoring data related to a blast furnace body in the first production data set are extracted, data dimension reduction processing is conducted, first dimension reduction data are obtained, meanwhile, distribution related data are obtained, a first distribution model is established, data derivation is achieved, and first derived data are obtained; and establishing a gas utilization rate model based on blast furnace characteristics, and predicting the gas utilization rate in combination with the first dimension reduction data and the first derivative data. The process industrial data can be processed more accurately, and the gas utilization rate can be predicted timely and accurately.

The utility model discloses a constant carbon dioxide culture leishnannia culture's controlling means relates to leishnannia field, including culture jar, the vertical rotation is connected with the breather pipe in culture jar, and the breather pipe surface fixedly connected with stirring piece and is provided with a plurality of through -holes, culture jar is fixedly connected with carbon dioxide delivery subassembly, is used for the delivery carbon dioxide to the breather pipe. Advantageous effect lies in: through motor and gear drive, synchronous drive breather pipe rotation and thread cover operation, and carbon dioxide is released with micro -bubble through the breather pipe through -hole, and the breather pipe drives stirring piece rotation, both prolongs the contact time of bubble and algal liquid, and also avoids algal cell settlement, realizes the integration effect of the gas supply just stirring, and promotes the mixing efficiency and gas utilization rate.

This invention discloses a pneumatic vehicle that, by connecting a gas power unit to a running gear, achieves high torque, high speed, high transmission efficiency, low energy consumption, and is environmentally friendly. The emissions are depressurized gas, resulting in low operating noise and no exhaust pollution. The gas power unit used in this pneumatic vehicle includes an outer ring and a core. The outer ring of the core has at least one secondary flow channel between its nozzle and exhaust port. Gas enters through the intake channel and is ejected through the nozzle and secondary flow channel of the core, acting on at least two driving recesses on the circumference of the outer ring. This thrust generates thrust on these driving recesses, driving the outer ring to rotate and perform work, thus achieving power output. Finally, the gas is discharged through the exhaust port of the core via the exhaust channel.

The present invention discloses a pneumatic lawn mower, which has a simple structure, large torque, high speed, high transmission efficiency, low energy consumption, and is environmentally friendly by connecting a gas power device to a cutting device. The exhaust is a decompressed gas, the working noise is low, and there is no tail gas pollution. The gas power device used in the pneumatic lawn mower includes an outer ring and a core body. At least one-step secondary flow channel is provided between the nozzle and the discharge port on the outer ring surface of the core body. The gas enters from the air inlet channel, is ejected step by step through the nozzle of the core body and the secondary flow channel, and acts on at least two driving recesses on the circumference of the outer ring, generating thrust on these driving recesses to drive the outer ring to rotate and do work, thereby realizing power output. Finally, the gas is discharged through the discharge port of the core body through the exhaust channel.

The utility model discloses a kind of high-pressure gas-based shaft furnace process systems, comprising: pellet lockhopper 1, high-pressure shaft furnace 2, DRI buffer tank 3 and DRI lockhopper 4;Wherein pellet lockhopper 1 is located at the top of shaft furnace, receives iron ore material under high-pressure state and inputs high-pressure shaft furnace 2 under high-pressure state, high-pressure shaft furnace 2 connects pellet lockhopper 1 and the DRI buffer tank 3, and the DRI pellet obtained by reaction in the high-pressure shaft furnace 2 is discharged to the DRI buffer tank 3;DRI buffer tank 3 discharges DRI pellet to DRI lockhopper 4 under high-pressure state.By using the high-pressure gas-based shaft furnace process system provided by the utility model, the whole process of gas-based shaft furnace from feeding, in-furnace reaction to discharging is completed under high pressure, the reduction reaction rate is accelerated, the gas utilization rate is improved, the single-furnace production capacity is increased, thereby reducing production cost, saving energy consumption, improving the overall economy of shaft furnace technology.

This invention provides a method for determining the optimal key furnace parameters of a gas-based vertical shaft furnace based on CFD (Computational Fluid Dynamics), relating to the field of metallurgical equipment design and numerical simulation technology. The method includes: S1, constructing a geometric model of the gas-based vertical shaft furnace and dividing it into meshes; S2, constructing a mechanistic model of gas-solid phase energy and mass flow and gas-solid interphase mass and heat transfer in the gas-based vertical shaft furnace based on Eulerian two-phase flow; S3, determining the input operating parameters of the vertical shaft furnace; S4, performing numerical simulation using the mechanistic model to solve for the chemical reaction field, temperature field, and concentration field until iterative convergence; S5, extracting key production indicators from the simulation results; and S6, determining the optimal combination of key furnace parameters for the gas-based vertical shaft furnace based on the key production indicators. This invention achieves rapid prediction of the optimal key furnace parameters for a gas-based vertical shaft furnace by establishing CFD models of gas-solid phase energy and mass flow and gas-solid interphase mass and heat transfer in a gas-based vertical shaft furnace with different key furnace parameters, performing numerical simulations, and extracting key data for comparison.

The invention discloses a wind rotational flow dry-wet CIP (cleaning in place) cleaning method for a tank body, which comprises the following steps: during dry cleaning, compressed air is introduced into the tank body to be cleaned through an inward extending air inlet in the top of the tank body and a tangential air inlet in the side wall of the tank body, and the compressed air dry cleaning is carried out; wherein a bent pipe extends into the through hole in the top of the tank body, an inward-extending air inlet in the top of the tank body is formed by the bent pipe, the bent pipe is bent towards one side of the manhole in the tank body, and the bending angle is 95-105 degrees; two mutually symmetrical tangential air inlets are formed in the side wall of the tank body, each tangential air inlet is communicated with an air inlet pipe which is tangentially arranged with the tank body, each air inlet pipe comprises a divergent section which is connected with the corresponding tangential air inlet and is of a horn structure, and the inner diameter of each divergent section is gradually increased in the air flowing direction; and the tangential air inlet is provided with an airflow baffle plate for enabling the tangentially entered airflow to flow along the wall. According to the method, air rotational flow dry cleaning and traditional CIP wet cleaning are combined, in the dry cleaning process, the air inlet mode of the to-be-cleaned tank is adjusted, dry cleaning in each step can be efficient and thorough, cleaning dead zones do not exist, the time and water consumption of the wet cleaning process can be greatly shortened, and the cleaning efficiency of the to-be-cleaned tank is improved. Therefore, the amount of waste water is greatly reduced.

The present invention discloses an engineering vehicle, which provides energy for a hydraulic actuator by connecting a gas power device to a hydraulic pump. The gas power device has a simple structure, large torque, high speed, high transmission efficiency, low energy consumption, and is environmentally friendly. The exhaust is a decompressed gas, the working noise is low, and there is no exhaust pollution; the energy consumption in the standby state is extremely low. The gas power device used in the engineering vehicle includes an outer ring and a core body. At least one-step secondary flow channel is provided between the nozzle and the exhaust port on the outer ring surface of the core body. The gas enters from the air inlet channel, and is ejected step by step through the nozzle of the core body and the secondary flow channel, acting on at least two driving recesses on the circumference of the outer ring, generating thrust on these driving recesses to drive the outer ring to rotate and do work, thereby realizing power output. Finally, the gas is discharged through the exhaust port of the core body through the exhaust channel.