20results about How to "Improve combustion sufficiency" patented technology

The utility model belongs to the technical field of combustion, and particularly discloses a fire grate, a combustor and gas heating equipment. The fire grate comprises an inner shell, an inner core head and a rectification inner core. An injection channel and a first flame channel which communicate with each other are formed in the inner shell, and the upper end of the first flame channel is open; the inner core head comprises a fire hole plate covering an opening in the upper end of the first flame channel, and at least three first fire holes are formed in the fire hole plate in the first direction of the fire row; the rectifying inner core is vertically inserted into the first flame channel, the rectifying inner core and the two side walls, in the first direction, of the inner shell are arranged at intervals, the upper portion of the first flame channel is divided into a plurality of sub-flow channels through the rectifying inner core, and the upper end of each sub-flow channel communicates with the corresponding first fire hole. According to the fire grate, the combustor and the fuel gas heating equipment, the structure of the fire grate can be simplified while the combustion stability is improved, the machining difficulty of the fire grate is reduced, and therefore the cost of the combustor and the fuel gas heating equipment is reduced.

The utility model discloses a kerosene dual-purpose combustor which comprises a combustion chamber, a heat insulation sleeve is arranged on the outer side of the combustion chamber, a protective outer shell is arranged on the outer side of the heat insulation sleeve, the feeding end of the combustion chamber is rotationally connected with a premixing chamber through a bearing, a spoiler is arranged on the inner wall of the premixing chamber, and an igniter facing the combustion chamber is arranged in the premixing chamber. The outer side of the front end of the igniter is covered with a flow assisting cover, a plurality of pressurizing holes are evenly formed in the front end of the flow assisting cover, the tail of the igniter is sleeved with a vortex disc through a bearing structure, a plurality of guide vanes are evenly arranged on the vortex disc, a mounting sleeve is connected to the rear portion of the premixing chamber, and an oil supply pipe is arranged in the middle of the mounting sleeve. A coal supply pipe is arranged below the oil supply pipe, and a combustion-supporting gas pipe is arranged above the oil supply pipe; the combustor further comprises a driving assembly, the driving assembly is used for driving the combustion chamber to rotate relative to the premixing chamber, the fuel mixing effect is good, the combustion sufficiency is good, and the combustion efficiency of the fuel is improved.

This utility model relates to the technical field of boiler furnace air conditioning and distribution devices, and discloses a boiler furnace air conditioning and distribution device, including a furnace body, which is the combustion space of the boiler and has a hollow structure; a primary air inlet duct connected to the bottom of the furnace body for inputting primary air; a secondary air inlet duct connected to different height positions in the upper middle part of the furnace body for inputting secondary air; a primary air volume regulating valve installed on the primary air inlet duct for regulating the primary air volume; and a secondary air volume regulating valve installed on the secondary air inlet duct for regulating the secondary air volume. In this utility model, the inclined air outlet of the air cap at the bottom of the primary air inlet duct and the air distributor in the upper middle part of the secondary air inlet duct cooperate to achieve precise stratified distribution of air in the furnace body. The tangential primary air and the downwardly inclined secondary air form a composite flow field, enhancing the mixing efficiency of fuel and air and improving combustion completeness.

The utility model relates to the technical field of combustion tower discloses a high -efficient heating's resistance heating wire combustion tower, including the tower body, the first baffle is fixedly arranged in the tower body, the inner chamber is fixedly arranged in the upper end of tower body, the air inlet is fixedly arranged in the inner chamber upper end, the second baffle is fixedly arranged in the inner chamber, and the connecting pipe is fixedly arranged in the lower end of one side of inner chamber. In the utility model, the gas enters the inner chamber through the air inlet, and forms the cyclone again under the action of helical second baffle in the inner chamber, prolongs the gas residence time, promotes the incomplete combustion pollutant to continue oxidizing decomposition in the residual high temperature environment, ensures the complete purification, the first baffle and second baffle all adopt the spiral structure, can effectively prolong the gas residence time, improves the combustion fullness and decomposition rate, simultaneously, makes the gas fully use the heat, reduces the energy waste, and secondary purification does not need the additional energy consumption, reduces the energy consumption.

This invention provides a waste pyrolysis gas combustion device and its combustion method, belonging to the field of waste treatment technology. The invention includes: a shell, foam ceramic balls, a central tube, a preheater, a mixing tube, a co-firing air sleeve, and a flow-dispersing component. This invention uses foam ceramic balls as a heat storage carrier in conjunction with a preheater to achieve stable ignition of pyrolysis gas with low calorific value fluctuations, effectively adapting to the combustion requirements of waste pyrolysis gas with low calorific value and parameter fluctuations, and improving combustion stability. The flow-dispersing component in the mixing tube enhances gas-gas mixing, improving combustion efficiency and pollutant control, increasing combustion completeness, reducing pollutant generation, and optimizing combustion efficiency. The compact structure of the nested central tube and mixing tube with annular slot air intake achieves efficient space utilization and integrated application, realizing precise gas distribution and efficient mixing within a limited space. The overall layout of the device is compact and easy to integrate.

The application discloses a gas burner with high thermal efficiency for a frying stove and relates to the technical field of burners. The gas burner with high thermal efficiency for the frying stove comprises stove heads, the stove heads and the stove heads form pneumatic channels, the bottom of the pneumatic channels is provided with gas chambers, the gas chambers are provided with gas passages in the circumferential direction, the top of the gas chambers is provided with air chambers, the air chambers are provided with air passages in the circumferential direction, the annular valve plate can close the air passages in the normally closed state, and the pressure assembly is used for controlling the opening size of the air passages by the annular valve plate. By using the pressure released by the gas itself as a driving source and using the driving pressure assembly as a driving carrier, the state of driving the annular valve plate to open the air passages is generated, when the gas release pressure flow is small, the air passages open small passages synchronously, when the gas release pressure flow is large, the air passages open large passages synchronously, and the dynamic synchronism of the gas jet flow driving air entrainment is maintained.

The utility model discloses a carbon black low-nitrogen burner which comprises a first pipeline, a second pipeline is fixedly connected to the first pipeline, a third pipeline is connected to the second pipeline in a sealed mode, the third pipeline is located in the second pipeline, a fourth pipeline is connected to the third pipeline in a sealed mode, and the fourth pipeline is located in the second pipeline. A first ignition nozzle is installed on the fourth pipeline, a first rotational flow blade is fixedly connected to the outer wall of the fourth pipeline, an annular stable combustion disc is fixedly connected to the end, away from the fourth pipeline, of the first rotational flow blade, the stable combustion disc is fixedly connected to the inner wall of a third pipeline, and the third pipeline penetrates through the second pipeline. Compared with the prior art, the carbon black low-nitrogen combustor has the advantages that the combustion sufficiency of carbon black tail gas is improved, and the emission of nitrogen oxides is effectively reduced, so that the respiratory tract health of workers can be protected, the air quality can be guaranteed to a certain extent, and the ecological balance can be maintained to a certain extent.

The invention relates to an air supplementing device at the air inlet end of a diesel engine and relates to the technical field of diesel engines. The device comprises a blowdown pipe, a butt joint pipe and a supporting shaft, one end of the blowdown pipe is communicated with an air source, and the other end is communicated with the butting pipe; the butt joint pipe is sleeved outside the supporting shaft, and the supporting shaft is inserted in the diesel engine air inlet pipe. An air channel is formed in the inner wall of the butt joint pipe, and a vent hole communicated with the air channel is formed in the side wall of the supporting shaft; a piston plate is arranged in the butt joint pipe and located on the side, away from the diesel engine air inlet pipe, of the supporting shaft, the piston plate used for driving the piston plate to slide in the direction close to or away from the supporting shaft is arranged in the butt joint pipe, the piston plate, the supporting shaft and the inner wall of the butt joint pipe jointly define a first air cavity, and the first air cavity communicates with the air channel. The switching assembly is used for controlling whether the air channel is communicated with the vent hole or not; the diesel engine has the effects that the conveying amount of external air at the air inlet pipe of the diesel engine is effectively increased, and the combustion sufficiency in a combustion chamber of the diesel engine is optimized.

This utility model discloses a combustion furnace structure based on refractory materials, comprising: a furnace body with a feed inlet on one side and a combustion port on the furnace body; a grate disposed in the middle of the inner side of the furnace body, and a ventilation module disposed on the inner side of the furnace body corresponding to the lower part of the grate; a first smoke guide block fixed on the grate; and a second smoke guide block disposed inside the first smoke guide block. By incorporating the first smoke guide block, the second smoke guide block, and a first flue, this utility model can effectively extend the residence time of flue gas inside the furnace body, thereby improving the combustion efficiency of the flame on the flue gas, reducing fuel waste, and effectively purifying the flue gas. Furthermore, by incorporating a ventilation pipe, an air outlet, and an air inlet, this device can effectively distribute air evenly inside the furnace body, improving the combustion effect.

The utility model discloses a kind of biomass pellet boiler combustion-supporting devices, including fan, the fan is provided with air outlet pipe, one end of the air outlet pipe is movably connected with pipe shell, the inside of the pipe shell is provided with spiral channel, the inside of the pipe shell is provided with through-hole, the one end of the pipe shell away from air outlet pipe is fixedly connected with connecting pipe, the inside of the connecting pipe is provided with spoiler, fan starts to produce airflow, into pipe shell through air outlet pipe, form spiral flow under the action of spiral channel, part of airflow of air outlet pipe enters through through-hole, airflow enters connecting pipe, further turbulence through spoiler, finally from the other end of connecting pipe into the combustion chamber of biomass pellet boiler, and biomass particle is fully contacted, mixed, improve combustion sufficiency, spoiler reduces the pressure loss of airflow while guaranteeing turbulence effect, device structure is simple, dismounting and maintenance are convenient, and practicality is strong.

This utility model provides a large cast iron baking plate, including a cast iron baking plate body with symmetrically arranged heat-insulated handles on both sides. The interior of the cast iron baking plate body has a ventilation cavity, the bottom of the body has an exhaust vent, and the outer surface of the body has a smoke exhaust vent. Both the exhaust vent and the smoke exhaust vent are connected to the ventilation cavity. In use, by creating a ventilation cavity inside the cast iron baking plate body and providing an exhaust vent at the bottom and a smoke exhaust vent on the side, an airflow channel is formed. This creates a "fire-drawing tube" effect, where the air in the ventilation cavity is heated and its density decreases during fuel combustion. The high-temperature flue gas rises rapidly and is discharged through the smoke exhaust vent, continuously creating a low-pressure zone within the ventilation cavity. This causes cold air from the bottom of the furnace to be drawn into the furnace to replenish oxygen, forming a self-circulating airflow and improving the completeness of fuel combustion in the oven.

The invention discloses a county domestic waste incineration device and a waste heat utilization system and method thereof.The device comprises a furnace body, the main body of the furnace body is cylindrical, a furnace cover is arranged at the upper end of the furnace body and movably covers an end opening of the furnace body, and a smoke exhaust opening is formed in the furnace cover and communicated with a smoke exhaust pipeline; a gap is reserved between the peripheral surface of the outer edge of the fire grate and the inner wall of a port at the lower end of the furnace body; a pre-screening plate partially covering the opening area of the furnace body is arranged at the upper end of the furnace body and used for screening to-be-burnt objects, and the pre-screening plate is obliquely arranged so that the screened to-be-burnt objects can enter the furnace body along different falling paths by means of gravity; when household garbage is intensively thrown and incinerated, the garbage in different diameter ranges is thrown to the fire grate at the bottom in the incinerator body in batches according to different paths to be borne so that the garbage can be incinerated, the garbage combustion sufficiency can be improved, and the problem that combustion is not thorough due to the fact that garbage in different sizes is stacked too densely is solved.

The invention discloses an intelligent regulation and control system for fuel injection of a fuel engine, and relates to the technical field of electrical control of fuel injection of fuel engines. Comprising an engine operation parameter acquisition module, a real-time working condition intelligent identification module, an oil injection target parameter intelligent resolving module, a working condition self-adaption self-learning module, a fault diagnosis and safety protection module and a full-working-condition data storage module, the other modules are used for sequentially completing working condition recognition, oil injection parameter calculation, electric driving control, in-cylinder combustion monitoring, oil injection parameter closed-loop correction, working condition self-adaptive learning, fault safety protection and full-period data storage, oil injection process regulation and control are achieved through high-precision electric control, and all-working-condition oil saving and consumption reduction are achieved; the device can adapt to full-life-cycle performance change of the engine, guarantees operation safety and emission compliance, and reduces the operation and maintenance cost of equipment.

The hot blast stove comprises a stove body, a burner is arranged at the head end of the stove body, the stove body comprises a shell and an inner container, a burning cavity is formed in the inner container, one end of the burner is inserted into the burning cavity along the axial center, a primary air inlet is formed in the burner, and a secondary air distribution pipe set is arranged in the burning cavity. The secondary air distribution pipe set comprises a set of inner secondary air distribution pipes evenly arranged around the outer side wall of the combustor and a set of outer secondary air distribution pipes evenly arranged around the inner side wall of the inner container. Air outlet holes are formed in the tail ends of the inner secondary air distribution pipe and the outer secondary air distribution pipe; and the space between every two adjacent inner secondary air distribution pipes and the space between every two adjacent outer secondary air distribution pipes are filled with refractory materials. By arranging the secondary air distribution pipe set, secondary combustion can be participated, the combustion sufficiency is improved, meanwhile, cooling protection can be formed on the inner container and the combustor, and the service life of the combustor and the service life of the inner container are prolonged.

The utility model discloses a pulverized coal quantitative feeding device capable of introducing tertiary air, which comprises a pulverized coal bin, a quantitative bin is arranged below the pulverized coal bin, a feeding cylinder is arranged below the quantitative bin in a penetrating way, the right end of the feeding cylinder is connected with a blanking cylinder, the lower end of the blanking cylinder is provided with a coal injection pipe, and the coal injection pipe is connected with a feeding pipe. A tertiary tuyere is formed in the outer side of the discharging barrel, a Roots blower is installed on the left side of the tertiary tuyere, and a combustion-supporting device is installed between the Roots blower and the tertiary tuyere. The Roots blower is introduced to one side of the tertiary tuyere, the air outlet of the Roots blower is connected with the combustion-supporting device, when pulverized coal enters the tertiary tuyere, the igniter is used for igniting the pulverized coal, the Roots blower blows air to enable flames of the igniter to be concentrated in the same direction, combustion supporting can be accurately conducted on the pulverized coal, combustion is conducted in advance in the tertiary tuyere, and the combustion-supporting effect is good. Therefore, when the temperature in the kiln head is too low, the injected pulverized coal can be burnt instantly, and then the inlet air temperature of the kiln head boiler and the total steam evaporation capacity of the kiln head boiler are compensated.

The invention discloses an energy-saving lime kiln for producing printing ink calcium, which comprises a kiln body, feeding chambers are arranged on both sides of the kiln body, feeding mechanisms are arranged in the feeding chambers, a gas supply chamber is arranged below the kiln body, a gas supply pipeline is arranged in the gas supply chamber, a flue is arranged above the kiln body, and the flue is connected with a heat exchanger through a waste gas pipe. A hot air outlet pipe of the heat exchanger is respectively communicated with the feeding chamber and the air supply pipeline; a plurality of combustion fire grates which are distributed in a left-right and up-down staggered mode are arranged in the furnace body, blanking gaps are formed in the combustion fire grates, an inclined material guide plate is arranged between the upper combustion fire grate and the lower combustion fire grate, a combustion-supporting pipe is arranged between the left combustion fire grate and the right combustion fire grate, and air outlet branch pipes corresponding to the combustion fire grates respectively are arranged on the combustion-supporting pipe. The device has the characteristics that the raw material combustion sufficiency and uniformity are improved, and energy is saved.

The utility model discloses a gas inlet structure for tail gas treatment, which comprises an inner cavity, a middle cavity and an outer cavity which are sleeved with each other, the inner cavity is used for accommodating first gas, the middle cavity is communicated with the inner cavity through a plurality of first gas passing holes, the outer cavity is communicated with the middle cavity through a plurality of second gas passing holes, a plurality of gas supply ports are arranged on the outer wall surface of the outer cavity, and the gas supply ports are communicated with the middle cavity through a plurality of second gas passing holes. And second gas is introduced. The device is reasonable in structure and good in air inlet uniformity, and tail gas is uniformly mixed with air and oxygen.

The boiler combustion system comprises a boiler, an outer barrel, an inner barrel, a first pulverized coal bunker and a second pulverized coal bunker, the outer barrel is provided with a first port and a second port which are opposite, the first port is communicated with a hearth, the second port is provided with a sealing plate, the sealing plate is provided with a through hole, and the through hole is communicated with the inner barrel. The inner barrel is provided with a third port and a fourth port which are opposite to each other, the third port extends into the outer barrel through the through hole, an annular channel is defined between the inner barrel and the outer barrel, a plurality of pulverized coal holes are formed in the side wall of the inner barrel at intervals, and the pulverized coal holes are communicated with the through hole. The second pulverized coal bunker communicates with the annular channel through a second induced draft fan, and the second induced draft fan is used for conveying pulverized coal discharged by the second pulverized coal bunker into the annular channel. Therefore, the boiler combustion system with the low nitrogen oxide emission has the advantages of being sufficient in blending combustion, low in smoke treatment cost and the like.

The utility model belongs to the combustion technical field, specifically discloses a kind of fire and burner.The fire has the ejection channel and combustion chamber of intercommunication, the fire top has fire plate structure, the fire plate structure covers the upper port of the combustion chamber, the fire plate structure is opened with multiple flame hole along length direction with the combustion chamber intercommunication, the fire plate structure is formed with recess down concave, and the flame hole is arranged in the groove wall of recess;Air supplementing channel not intercommunication with the combustion chamber is arranged in the fire, the upper end of the air supplementing channel is through the groove wall of recess to form air supplementing port, and the lower end of the air supplementing channel is communicated with external environment.The utility model can improve air supplementing sufficiency by the setting of air supplementing channel, improve combustion stability by the setting of recess, and then improve fire combustion stability and combustion sufficiency.

The invention relates to a combustor for a washing powder drying preparation process and relates to the technical field of combustors, the combustor provides hot air needed for washing powder drying preparation, the combustor comprises a combustor body, a feeding mechanism and a tailing conveying mechanism, and the feeding mechanism and the tailing conveying mechanism are arranged at the inlet end and the outlet end of the combustor body respectively; the feeding mechanism conveys biomass powder fuel outside the feeding mechanism into the combustor body, the tailing conveying mechanism conveys residues generated after combustion of the tailing conveying mechanism to the next process, the combustor further comprises a plurality of gas combustion chambers, the gas combustion chambers are sequentially arranged in a communicated mode, one ends of the gas combustion chambers communicate with one side of the combustor body, and the other ends of the gas combustion chambers communicate with the other side of the combustor body. The other ends of the gas combustion chambers output hot air through high-temperature gate valves. The combustor has the following effects that harmless combustion is achieved, the combustion cost is relatively low, and more continuous hot air can be provided for large-scale washing powder drying production enterprises.