9results about How to "Improve combustion" patented technology

The present invention relates to a flipping mechanical grate for garbage incineration treatment, which discloses that a fixed beam is installed on a grate frame, a movable beam is installed on the side of the fixed beam, grates are installed on the fixed beam and the movable beam, a window is arranged on the grate of the fixed beam, a flipping grate sheet is installed in the grate window, a grate sheet shifting rod is installed on the grate frame below the fixed beam, the top of the grate sheet shifting rod is hinged with the bottom of the flipping grate sheet, a grate sheet transmission shaft is installed on the grate frame through a bearing seat, one end of the grate sheet transmission shaft is connected to the grate sheet shifting rod, and the other end is installed with a grate sheet swing arm; a grate sheet hydraulic cylinder is installed on the grate frame, and the telescopic end of the grate sheet hydraulic cylinder is hinged with the bottom of the grate sheet swing arm. The advantages of the present invention are that it is suitable for high-moisture garbage water combustion treatment, the garbage is flipped during the combustion process to improve the combustion condition, so that the garbage is fully and completely burned, and the burnout rate is improved, which has a positive effect on the volume reduction and resource utilization of garbage incineration treatment.

The utility model relates to the field of waste incineration, in particular to a negative pressure combustion mechanism which comprises an incinerator body and a fan, and the fan is installed at the upper end of the incinerator body. The auxiliary incineration mechanism is mounted in the incinerator body, and the surface of the auxiliary incineration mechanism extends to the outside of the incinerator body; wherein the auxiliary incineration mechanism comprises a uniform spreading assembly for assisting sufficient combustion, and the uniform spreading assembly is mounted at the upper end of the incinerator body; according to the device, under the action of a uniform spreading assembly and a gas injection transmission assembly, garbage in the incinerator body can be sufficiently incinerated, so that external gas can enter the incinerator body, meanwhile, the garbage in the incinerator body can be uniformly dispersed under the action of a uniform spreading plate, and the effect of ensuring sufficient incineration of the garbage is achieved; and therefore, the combusted garbage is more thorough than incineration, and generation of harmful gas is reduced.

The invention relates to a solid waste treatment device and a solid waste treatment method using a cement kiln. The method comprises the following steps: screening household garbage to obtain usable substances; natural air-drying: placing the usable objects on an outdoor air-drying rack for natural air-drying; a collecting box is placed below the outdoor airing rack to collect liquid; and then separating the liquid by using an impurity filter and an oil-water separator to obtain microbial water, fermenting the microbial water to obtain biogas, crushing the air-dried household garbage to obtain comburent, and enabling the biogas and the comburent to be used for combustion in a cement kiln. Therefore, the technical effects that the energy supply capacity of the household garbage to the cement kiln is improved, and the energy utilization rate is increased are achieved.

The invention relates to the technical field of waste incineration, in particular to a method for controlling the primary air temperature of a waste incinerator, which specifically comprises the following steps of: (1) calculating the water content Mar of garbage entering the incinerator according to the real-time water vapor content phi of flue gas at an outlet of a waste heat boiler; (2) calculating the required primary air temperature T0 according to the water content Mar of the garbage fed into the furnace; (3) arranging an electromagnetic valve and a flow measuring point Q on a steam pipeline entering the air pre-heater, and arranging a temperature measuring point T at a primary air outlet of the air pre-heater; according to the calculated primary air temperature T0, the opening degree of an electromagnetic valve is automatically adjusted to adjust the steam amount for heating the primary air pre-heater; and when the outlet temperature measuring point T of the air pre-heater is adjusted to be within the range of T0 + / -5 DEG C, the electromagnetic valve stops adjusting, and the steam quantity for heating the air pre-heater does not change any more. According to the method, the primary air temperature is controlled and adjusted through the steam content of the exhaust gas at the outlet of the waste heat boiler, and therefore the good combustion condition of garbage in the incinerator is guaranteed.

The present invention relates to the technical field of internal combustion engines. Disclosed are a method for controlling a combustion system, a combustion system, and an internal combustion engine. The combustion system comprises a piston, a fuel injector, and a cylinder. At a main fuel injection stage, the fuel injector injects a main fuel into the cylinder in sequence to drive the piston to work. The method for controlling the combustion system comprises: controlling the fuel injector to execute a first-stage main fuel injection in a compression stroke, wherein the first-stage main fuel injection comprises at least one injection, and continues till a power stroke such that the cylinder pressure in the cylinder reaches a target pressure peak value; and before the cylinder pressure in the cylinder reaches a descending critical point, executing a second-stage main fuel injection, wherein the second-stage main fuel injection comprises at least one injection, and the fuel injected in the second-stage main fuel injection and the fuel injected in the first-stage main fuel injection are superimposed such that the cylinder pressure in the cylinder is maintained at the target pressure peak value for a preset time. Therefore, the superposition of entrainment effects is promoted, a mixing area of the fuel and air is increased, and the air utilization rate is improved.

The utility model discloses an LF city mud combustion rod which comprises an outer frame, sealing plates are fixed to the front side and the rear side of the outer frame, an inner pipe is arranged in the outer frame, a plurality of sets of outer pipes are arranged on the outer side of the inner pipe, and a filling block is arranged between every two adjacent sets of outer pipes. An outer groove is formed in the outer side wall of the inner pipe, an inner groove is formed in the inner side wall of the inner pipe, and the inner groove and the outer groove are both of a threaded groove structure. The outer pipes and the inner pipes are both of hollow pipe structures, at least five sets of outer pipes are distributed on the outer sides of the inner pipes at equal intervals in an array mode, during internal combustion, firstly, a spiral inner groove structure formed in the inner side of the outer frame can drive gas close to the inner side wall to rotate, and an air hole structure formed in the inner side of the filling block can guarantee internal air circulation; and the inner pipe and the outer pipe are both of a hollow structure, internal gas circulation can be guaranteed, the internal porous structure can improve complete combustion of the combustion rod, and the combustion efficiency is improved.

The present invention relates to a direct-fired lithium bromide absorption heat pump unit with a load balancing heat exchanger, comprising an absorber, a refrigerant pump, a solution pump, an evaporator, a solution heat exchanger, a direct-fired generator, a condenser and a hot water heat exchanger, wherein the hot water heat exchanger is used as a load balancing heat exchanger, and a hot water electric three-way regulating valve is arranged on the waste hot water inlet pipe of the unit. When the waste hot water inlet temperature or waste hot water flow rate of the unit is lower than the design parameter, a part or all of the waste hot water is used to exchange heat with hot water through the load balancing heat exchanger, so as to increase the waste hot water inlet temperature of the evaporator, and at the same time increase the fuel combustion amount, so as to achieve a balance between the heat supply and the evaporator load, so that the unit can operate at full load and meet the heating demand.

The utility model discloses a clean coke oven vertical flue that can uniformly diffuse combustion, and the carbonization chamber is located between two adjacent carbonization chamber main walls, the vertical flue is arranged in the carbonization chamber main wall along the height direction, the inner wall surface of vertical flue is provided with flue spiral wing, the cavity of vertical flue is provided with air supply tower, the outer tower surface of air supply tower is provided with air tower spiral wing, and the air supply hole is arranged between the adjacent two air tower spiral wings, the air supply channel is further arranged in the air supply, and the air supply channel is connected with the cavity of vertical flue through the air supply hole. The air tower spiral wing of air supply tower spirally surrounds the tower body, and the flue spiral wing spirally surrounds the inner wall surface of vertical flue. The air tower spiral wind channel formed by the air tower spiral wing on the air supply tower corresponds to the flue spiral wind channel formed by the flue spiral wing in the vertical flue. The spiral lift of air tower spiral wind channel is equal to the spiral lift of flue spiral wind channel. The clean coke oven vertical flue can effectively inhibit the generation of nitrogen oxide and reduce the floor area of coke oven.

In a gas generator, a plurality of gas discharge ports include a first gas discharge port and a second gas discharge port having an opening pressure higher than the first gas discharge port, a surrounding wall portion is divided, in a circumferential direction of the surrounding wall portion, into a combustion product discharge region in which one communication hole is disposed or a plurality of communication holes are collectively disposed and a combustion product non-discharge region that is a region of the surrounding wall portion other than the combustion product discharge region, a peripheral wall portion is divided, in a circumferential direction of the peripheral wall portion, into a communication hole-associated region associated with the combustion product discharge region and a communication hole non-associated region associated with the combustion product non-discharge region, the first gas discharge port is formed only in the communication hole-associated region, and the second gas discharge port is formed only in the communication hole non-associated region.