9results about How to "Avoid incomplete combustion" patented technology

The utility model provides an online continuous detection device for oil quality. The online continuous detection device comprises an optical detection module, the sampling cavity is provided with an inlet and an outlet which are communicated with an oil product pipeline; the other end of the atomizer is communicated with the combustion chamber; the atomized oil product is combusted in the combustion chamber, and the optical detection module continuously obtains the content of sulfur in the combusted gas. The device has the advantages of continuous detection and the like.

The present invention relates to the field of combustion control technology, and in particular to a method and device for optimizing the combustion control of low calorific value industrial waste gas. The method comprises the following steps: obtaining waste gas composition data, and calculating the waste gas calorific value according to the waste gas composition data to obtain waste gas calorific value data; obtaining combustion chamber data, and generating air-fuel ratio parameters according to the combustion chamber data and the waste gas calorific value data to obtain air-fuel ratio parameter data; performing waste gas pretreatment according to the air-fuel ratio parameter data and the waste gas composition data to obtain waste gas pretreatment data; performing multi-stage combustion operations according to the waste gas pretreatment data to obtain waste gas combustion data. The present invention realizes intelligent management of the combustion process, maximizes the combustion potential of low calorific value waste gas through multi-stage combustion and segmented control technology, and realizes source control of pollutants, reduces emissions, and improves the overall performance of the combustion system through real-time monitoring and optimized control.

The application discloses a boiler waste heat recycling device and relates to the technical field of waste heat utilization and environmental protection, which comprises a boiler module and a waste heat recycling module; the waste heat recycling module is used for recycling the heat in flue gas after fuel combustion in the boiler module and recycling the heat for fuel combustion; the waste heat recycling module comprises a protective shell, and a first heat conduction component, a second heat conduction component, a heat exchange component, an air injection component and a pressure increasing component are installed in the protective shell. The application has the advantages that the flue gas waste heat is recycled in two stages, the first stage recycling is used for heating air entering a combustion chamber, reducing invalid heat consumption and improving combustion efficiency, and the second stage recycling is used for increasing the air pressure entering the combustion chamber, so that the contact area of fuel and air is expanded, fuel combustion is more sufficient, the waste heat recycling rate is higher, and the utilization effect is more obvious.

The invention relates to the technical field of pulverized coal combustion, and discloses clean type pulverized coal combustion equipment and a using method.The clean type pulverized coal combustion equipment comprises a combustion furnace, the outer side of the combustion furnace is sleeved with and fixedly connected with an annular reinforcing plate, and the outer side of the combustion furnace is rotationally connected with a sealing door through a rotating bolt; the outer side of the annular reinforcing plate is fixedly connected with a reinforcing base through a support, and the top of the annular reinforcing plate is fixedly connected with an igniter through a support. Oxygen is injected into the combustion furnace through the air injection device; the preheating device is used for heating oxygen entering the combustion furnace by utilizing waste heat; the to-be-combusted pulverized coal is ground through the pretreatment device; a material taking opening matched with the sealing door is formed in the outer side of the combustion furnace. According to the clean type pulverized coal combustion equipment and the using method, oxygen can be evenly sprayed into the combustion furnace, and pulverized coal can obtain sufficient oxygen in all areas in the furnace.

The present application belongs to the field of burners, and discloses a deflectable wall-type tangential circle boiler burner and a working method. The deflection assembly adopts a transmission mode of servo motors, screw rods and solid rods, which can realize accurate angle adjustment. This makes the burner nozzle able to adjust the direction in real time according to the needs, and optimizes the distribution of combustion gas flow in the furnace. Especially under the conditions of boiler load change or different fuels, this flexible adjustment capability helps to improve the combustion efficiency. By accurately adjusting the deflection angle of the nozzle, the present application can make the combustion gas flow evenly distributed in the furnace, reducing the phenomenon of incomplete combustion. The direction of the burner nozzle can be dynamically adjusted according to different working conditions, so as to better adapt to the needs of different loads and different fuels, and finally improve the overall combustion efficiency of the boiler. The adjustable deflection angle of the present application makes the burner nozzle able to adjust according to the distribution of the temperature in the furnace, effectively avoiding the areas with excessively high or low temperature.

This invention belongs to the field of waste gas treatment technology, specifically disclosing a flare gas incineration treatment system for EVA production. The system includes a daily gas buffer tank and an emergency gas buffer tank, each connected in series with a liquid separator, a water seal tank, and a cooler. The gas outlets of the two coolers are connected to an incinerator, and the flue gas outlet of the incinerator is connected in series with an induced draft fan and a chimney. Addressing the safety risks, such as explosions, posed by direct combustion of flare gas generated during EVA production, this invention achieves safe, efficient, and compliant emissions of flare gas by classifying and collecting the flare gas, separating it into liquids, applying a water seal, pre-treating it with cooling, and precisely monitoring key parameters, combined with efficient incineration in an incinerator. This solves the problem that direct combustion of flare gas containing hydrocarbons such as ethylene, vinyl acetate, and organic solvents generated during EVA production can easily lead to explosions or flameout accidents due to gas composition imbalance.

The utility model discloses a hydrogen fuel high-pressure plasma ignition system which comprises an igniter, a hydrogen fuel high-pressure plasma ignition device, a hydrogen fuel high-pressure plasma ignition device and a hydrogen fuel high-pressure plasma ignition device. The ignition head extends into the combustion chamber, and a base part of the ignition head is fixedly connected to the front end of the shell through threads; the anode is of a columnar structure, and a columnar main body of the anode is embedded into a groove in the front end of the ignition head and is locked and fixed with the front end of the shell; the cathode is of a rod body structure, and a rod body of the cathode penetrates through the rear end of the shell and is used for being matched with the anode to generate plasma jet; the high-voltage power supply is electrically connected with the anode and the cathode through wire interfaces respectively; and the control unit is electrically connected with the high-voltage power supply and is used for controlling the output voltage of the high-voltage power supply so as to control the generation opportunity and the energy density of the plasma jet. The device is suitable for hydrogen fuel engines, industrial combustion furnaces and other scenes, can remarkably improve the ignition efficiency and reduce the safety risk, and has wide industrial application prospects.

This utility model discloses a combustion chamber for a regenerable coated sand roasting furnace, comprising a combustion chamber body, multiple burners at the top of the combustion chamber body, a conveying shaft with bearings inside the combustion chamber body, and a drive structure in cooperation with the conveying shaft. The conveying shaft has spiral conveying blades, and both ends of the conveying shaft extend outward to the outside of the combustion chamber body, with conveying grooves formed therein. A medium conveying pipe is connected to the conveying grooves via sealed bearings. A heat exchange chamber is provided on the spiral conveying blades, communicating with the conveying grooves. A sand storage box is located at the top of the combustion chamber body, and a sand drop control structure is provided between the bottom of the sand storage box and the combustion chamber body. A medium conveying pipe at the output end is spirally wound around the outside of the sand storage box to form a preheating section. This utility model can preheat the sand core to be coated, while improving the fullness and uniformity of heating.

The invention relates to the technical field of coal-fired boiler combustion regulation and control, and discloses a precise combustion regulation and control system for a coal-fired boiler, which comprises a boiler combustion data acquisition module, a boiler combustion data analysis module and a control module. According to the accurate combustion regulation and control system for the coal-fired boiler, the function relation between the flame size and the flame position serves as a reference factor for judging combustion in the boiler, and meanwhile temperature data, pressure data and air velocity data are calculated to serve as auxiliary reference factors; the temperature data, the pressure data and the air velocity data obtained through calculation are compared with preset threshold values respectively, whether the numerical values exceed the preset threshold values or not is judged, and whether the boiler is abnormal or not is judged by combining the abnormal flame size with the abnormality generated by the temperature data, the pressure data and the air velocity data. And corresponding real-time control is performed on the boiler according to the corresponding abnormal data, so that the accuracy of the combustion regulation and control system is improved.