31results about How to "Wide range of fuel" patented technology

The invention discloses a gas burner capable of adjusting gas to be self-recycling. The gas burner capable of adjusting the gas to be self-recycling comprises a center fuel pipe, a primary rotational-flow air duct, a secondary direct-flow air duct and an ejector, wherein the center fuel pipe, the primary rotational-flow air duct, the secondary direct-flow air duct and the ejector are coaxial from inside to outside and sequentially embedded in a sleeved mode. A fuel nozzle is formed in the outlet segment of the center fuel pipe, an air cyclone and a pre-mixing chamber are arranged inside the primary rotational-flow air duct, the primary rotational-flow air duct and the pre-mixing chamber are communicated with the fuel nozzle, both an outlet of the pre-mixing chamber and the outlet end of the secondary direct flow air duct are arranged at the throat position of the ejector, a main flame burning area is formed at the throat position of the ejector, an electronic igniter is further arranged inside the primary rotational-flow air duct, one end of the electronic igniter penetrates through the air cyclone, the ignition electrode of the electronic igniter is arranged inside the pre-mixing chamber, the end surfaces, being connected with the head of the burner, of the ejector are of a sawtooth disk structure and meshed with each other, and linkage mechanisms are arranged at the positions of the sawtooth disk structures and fixed on the outer pipe wall of the secondary direct-flow air duct. The gas burner capable of adjusting the gas to be self-recycling has the advantages of being easy to manufacture, and capable of achieving the objective that the adapting range of fuel is wide, burning efficiency is high, burning is stable, and pollution is low.

The invention discloses a fluidized bed reaction device for preparing olefins by using paraffin dehydrogenation and a paraffin dehydrogenation method. The reaction device is a reducing tank body, and the tank body is divided into a gas stripping section, a reaction section and a catalyst settling section from bottom to top, wherein the diameter of the reaction section is larger than the diameter of the gas stripping section; and a heat exchanger is arranged in the settling section. According to the reaction device, raw materials and high-temperature oil gas are subjected to heat exchange in the reaction device, the raw materials are gasified and heated by utilizing the heat energy of the high-temperature oil gas, the high-temperature oil gas is cooled by virtue of heat exchange, the mutual energy is well utilized, coking of the reaction device due to high temperature is avoided, multiple effects are organically combined together, particularly a heat exchanger structure of connecting multiple heat exchange boxes in series together is adopted, the vibration caused by rapid gasification of the raw materials can be effectively avoided, and large temperature difference heat exchange can be realized.

The invention discloses an automatic curling device for a stainless steel pot. The automatic curling device comprises a curling machine, a curling mold, a curling discharging mechanism, a feeding conveying mechanism, a positioning detecting mechanism, a feeding mechanical hand mechanism, a feeding mechanical hand lifting fixing mechanism, a material taking mechanical hand mechanism, a material taking mechanical hand lifting fixing mechanism and a material taking conveying mechanism, wherein the feeding conveying mechanism is connected with the curling machine through a positioning device, the positioning detecting mechanism is used for detecting whether the stainless steel pot is located at the designated position of the positioning device or not, the feeding mechanical hand mechanism is located above the feeding conveying mechanism and used for conveying the stainless steel pot from the designated position to the curling mold, the feeding mechanical hand lifting fixing mechanism is used for adjusting the height of the feeding mechanical hand mechanism, the material taking mechanical hand mechanism is used for taking the curled stainless steel pot out of the curling mold, the material taking mechanical hand lifting fixing mechanism is used for adjusting the height of the material taking mechanical hand mechanism, and the material taking conveying mechanism is used for conveying the curled stainless steel pot to the next working procedure. According to the automatic curling device, the contact ratio of sawtooth disc structures is adjusted through a linkage mechanism so as to control the recycling amount of fume, the application range of fuel is wide, and combustion is high in efficiency, stable and low in pollution.

The invention relates to a solid oxide fuel battery system and a preparation method thereof. The electrolyte of the battery system adopts an oxygen ion conductor oxide; the anode is a metal-ceramic composite anode, wherein the ceramic material is a proton conductor oxide or a mixture of the proton conductor oxide and the oxygen ion conductor oxide; and the cathode material is at least one of noble metal and perovskite type oxides or a mixture of the electrolyte and at least one of the noble metal and perovskite type oxides. A battery with the structure has a wide operating temperature range which is between 300 and 1,000 DEG C, high power density and open circuit voltage and very good operational stability. The system and the method make a great contribution to the development of fuel batteries, particularly intermediate and low-temperature solid oxide fuel batteries.

The invention provides a regenerator and a regeneration method of a dehydrogenation catalyst. The regenerator of the dehydrogenation catalyst comprises a regeneration section and a sedimentation section. The regeneration section sequentially comprises a lower lifting pipe section, an expanding dense-phase section and an upper lifting pipe section from bottom to top, and the upper lifting pipe section is connected with the sedimentation section. According to the regeneration method of the dehydrogenation catalyst, preheated air, the catalyst to be generated and fuel are combusted in a dilute-phase transport bed of the lower lifting pipe section; then, combusted high-temperature flue gas exchanges heat with the dense-phase section of the catalyst, and therefore the catalyst is fully scorched, the temperature difference between the flue gas and the catalyst is reduced, and the utilization rate of energy is increased; the flue gas leaving the dense-phase section and the catalyst enter the upper lifting pipe section, combustible gas such as CO is fully combusted in the dilute-phase transport process, and therefore energy is released, and pollutant discharge is reduced.

The invention relates to a novel biomass combustion special furnace arch taking biomass materials as raw materials and belonging to the technical field of combustion furnaces. The novel biomass combustion special furnace arch has a structure that a furnace body is internally provided with a front arch, a middle arch and a rear arch, wherein a feed zone is formed between the front arch and a hopper, a volatilization oxidation reduction zone is formed between the front arch and the middle arch, and a main combustion zone is formed between the middle arch and the rear arch; the shape of the rear arch is a fold line structure, and the shape of the front section of the rear arch is a level straight line structure; the middle arch is positioned between the front arch and the rear arch and in a single row wall body structure, the upper end of the middle arch is connected with a water containing boiler, the middle of the lower end of the middle arch is provided with a combustion passage, and the middle section of the inner side of the middle arch is provided with a bump which is positioned at the outer side above the rear arch. The invention relates to the novel biomass combustion special furnace arch which is beneficial to the sufficient combustion of biomass fuel, has long flame flow path, high heat efficiency, energy saving, smoke elimination, good environmental protection property, high temperature raising speed of water inside a the water containing boiler, and the like.

The invention discloses a waste heating device comprising a generator, a distributor (1), a distributor (2), a heat radiating pipeline and an air feeding pipeline, wherein a mixed air outlet of the generator is sequentially communicated with the distributor (1), the distributor (2) and the heat radiating pipeline; an air outlet of a heat storage tank is communicated with the air feeding pipeline; an oxygen collecting chamber, the heat storage tank, an air collecting chamber and an U-shaped combustion chamber are arranged in the generator; the front part of the heat storage tank is provided with an air inlet, and the rear part of the heat storage tank is provided with the air outlet communicated with the outer part of a housing; the lower part of the heat storage tank is provided with the oxygen collecting chamber, and the front part of the oxygen collecting chamber is provided with two oxygen supply ports communicated with the outer part of the housing; the air collecting chamber is provided with a mixed air outlet communicated with the outer part of the housing; the upper part of the air collecting chamber is provided with a movable upper cover; the side wall of the U-shaped combustion chamber is provided with a fire-resistant insulating layer, the front part of the combustion chamber is provided with two ash outlets and two observation holes, which are respectively communicated with the outer part of the housing; the side wall of the lower bottom of the oxygen collecting chamber is provided with a plurality of oxygen supply holes; and the distributor (1), the distributor (2) and the heat radiating pipeline are prefabricated by concrete. The waste heating device has the advantages of wide used fuel, low cost and simple structure, and due to the set of the heat storage tank in the combustion chamber, the waste heating device can fully utilize heat sources, thereby having obvious effect of energy saving.

The invention relates to a pressure-converging internal circulation multi-fuel engine which has small volume and wide fuel range, and especially can use rural methane and solid fuel. A pressure-converging evaporating chamber has small internal storage space and large heating surface, and realizes quick ignition without idle start-up; a top steam outlet pipe of the pressure-converging evaporating chamber is communicated with a center hole of a movable valve sleeve; a left hole and a right hole at the opposite sides of the center hole are communicated with the left side and the right side of a cylinder sleeve through steam pipes; when two small pistons of a movable valve are in a left position or a right position, the center hole can be communicated with one of the left hole and the right hole; an oblong opening is arranged in the middle of the cylinder sleeve; the two pistons are put into the cylinder sleeve and connected by connecting rods; a rocker arm is installed on a fulcrum; the lower end of the rocker arm is between two blocking pieces of the piston connecting rods; the upper end of a pendulum rod is connected with the upper end of the rocker arm; a hollow damping part is installed on the right connecting rod of the two small pistons of the movable valve; a frame is arranged at the right end of the connecting rod; two springs are installed in the frame; the lower part of the pendulum rod is between the two springs; a one-way outlet valve is installed on a guide pipe of a plunger sleeve and communicated with the pressure-converging evaporating chamber; another guide pipe is inserted into an inner pipe orifice of circulating liquid and provided with a one-way inlet valve; and a plunger tappet is connected with the lower end of the pendulum rod.

The invention relates to a gasifier stirring and pushing adjustment and composite gas-taking method and a gasifier stirring and pushing adjustment and composite gas-taking device, and aims to solve the problems that gas is generated unstably and is easy to burn partially and burn in a mixed way, the burning state is difficult to adjust, the mixture of tar, water and dust cannot be treated in a centralized way, materials have low adaptability and low continuity, the gas and the tar at the outlet cannot be completely burnt, pots, kettles and the environment can be polluted, and the like in the conventional gasifier. Combustible gas is obtained in two ways. A composite stirring and pushing gasifier consists of a fuel generating and adjusting device, a water tank, tar, dust and water purifying and centralizing device and a gas combustion and conversion device. By the method and the device, the problem of partial burn is solved, the continuous workability of the gasifier is guaranteed, full oxidation and material discharge are facilitated, gas temperature is reduced and afterheat is fully utilized. A fuel conveniently and reliably flows; combustion is stable; harmful gases such as the tar and the like are not discharged; and a furnace end is not blocked.

The invention discloses a biomass fuel cracker. The biomass fuel cracker comprises a feeding device, an air blower, a cracking chamber and a fire cylinder, wherein the feeding device is arranged at the upper end of the cracking chamber and communicated with the cracking chamber; the air blower is respectively connected with the cracking chamber and the fire cylinder; an air locking feeding device is arranged on the lower side of the feeding device and driven by a motor mounted on the feeding device; an emergency discharging device is additionally arranged at the upper end of the cracking chamber and communicated with the cracking chamber; a tangential swirl flow guide device is additionally arranged on the mouth part of the fire cylinder; and the fire cylinder is also connected with a primary air tube and a secondary air tube which are communicated with the air blower. According to the invention, tempering and smoke spillage phenomenons of the feeding device can be prevented, the cracking efficiency is increased, the generation of tar is reduced, the thermal energy consumption is reduced, burnout ratio is increased, the use cost of the equipment is reduced, and the really high-temperature pyrolysis is made by using the cracker; and the biomass fuel cracker disclosed by the invention has the advantages of higher safety factor, wider fuel range, very strong practicability, convenience in operation and simple using procedure.