39results about How to "Solve the problem of black smoke" patented technology

The invention relates to a converter bedding face repairing material and a use method of the converter bedding face repairing material. According to the technical scheme, the converter bedding face repairing material is composed of a component A and a component B; the component A is formed by mixing raw materials including 40-65 wt% of magnesia particles, 10-20 wt% of forsterite particles, 5-15 wt% of magnesia fine powder, 10-15 wt% of fused quartz fine powder, 2-5 wt% of quartz fine powder, 5-10 wt% of silicon carbide micro powder, 0.5-2 wt% of alpha-Al2O3 micro powder and 1-3 wt% of magnesia rich spinel micro powder, and additional raw materials including 0.05-0.15 wt% of organic fibers and 0.1-1 wt% of borax; the component B is formed by mixing thermally conductive silicone grease, organosilicon compounds and waste engine oil by a mass ratio of 1: 1: (3-5). When the converter bedding face repairing material is used, the component A and the component B are mixed by a mass ratio of 1: (0.04-0.08), are stirred to be in a plastic flowing shape and are fed into a hopper to be thrown into a converter, the converter body is shaken rapidly, and the repaired part is paved with the repairing material. The converter bedding face repairing material has the advantages of being good in high-temperature self-flowing performance, short in sintering time, long in service life and environmentally friendly.

The invention discloses an air-fuel ratio adjustment system with a parking function. The air-fuel ratio adjustment system comprises an engine, a fuel injection pump, an adjustment arm, a switch piece, a cylinder, a controller and a compressed air system. A fuel injection rack is mounted on one side of the fuel injection pump, and the fuel injection rack is connected with the adjustment arm through a connecting rod mechanism. The switch piece is mounted on the adjustment arm and the adjustment arm is provided with a signal sensor. The cylinder is arranged on the upper portion of the adjustment arm, and an inner cavity of the cylinder is provided with a piston and a piston rod. The compressed air system is provided with a first air connection pipe, a second air connection pipe and corresponding solenoid valves mounted on the air connection pipes correspondingly. The first air connection pipe communicates a main air inlet pipe, and an engine air inlet pipe and a cylinder air inlet pipe are mounted on the both sides of the main air inlet pipe correspondingly. The second air connection pipe connected to the compressed air system communicates with the upper end of the cylinder. According to the air-fuel ratio adjustment system with the parking function, the problem that black smoke is generated due to the insufficient combustion of the fuel in of the starting and sudden loading process of a diesel engine can be solved, and the emergency parking function of the engine can be realized.

The invention discloses a method for preventing failure during engineering machine starting. The starting process is divided into two stages, specifically, in the first stage, a main controller controls the absorption power of a hydraulic main pump through an electric proportional control valve to be increased to 3-10% of the target power of the hydraulic main pump at the rate k1; in the second stage, the main controller controls the absorption power of the hydraulic main pump through the electric proportional control valve to be increased to the target power of the hydraulic main pump at therate k2; and the first stage is the former 0.6-1s of the starting process, and the rate k2 is 2-6 times of the rate k1. In the starting process, the absorption power of the hydraulic main pump is controlled to be matched with the power of a diesel engine, the load of the diesel engine in the initial stage of starting is reduced, thus the diesel engine can be started normally, and the problem of black smoke during load starting of the diesel engine is avoided; and a starting control system of an engineering machine does not need to be transformed, and the transformation cost is saved.

The present invention relates to a smokeless coal-saving large-size mechanical fire grate heat-conducting oil-burning boiler. It is characterized by that said furnace body has heating zone and hot gas supply zone, the interior of furnace body of heating zone is equipped with heat-absorbing tube bank, the bottom portion of heating zone is equipped with a hot gas inlet, and the top portion of said heating zone is equipped with a draught fan; the hot gas supply zone possesses a coal-burning device, said coal-burning device has a combustion furnace cavity, meachinical fire grate, coal-adding device and high-temperature gas outlet. Said invention also provides the concrete structure of said furnace cavity. Said invention is simple in structure and can completely solve the problem of discharging black smoke by burning coal.

The invention discloses a method for melting copper through a line frequency furnace. The method comprises the following steps that 1, a waste copper piece and waste are subjected to primary treatment; 2, screening is carried out; 3, classification is carried out; 4, accessories are fed into furnaces, wherein the accessory I, the accessory II and the accessory III are fed into the shaft furnace, the open-hearth furnace and the line frequency cored copper melting copper to be refined, and a product I, a product II and a product III are obtained; 5, the product I and the product II are transported to a copper continuous casting and rolling unit for casting treatment, a steel rod is obtained, and the product III is placed in a pig casting machine to be machined and treated, and a copper ingot is obtained; and 6, the steel rod in the step 5 is drawn, and a qualified copper piece is obtained. The method for melting copper through the line frequency furnace achieves energy saving and is environmentally friendly, and manufactured steel is good in quality.

This invention relates to a single-chain grate swirl pure smoke-free hot water boiler which belongs to thermal equipment. It includes the shell, water wall, drum and lower coal-fired device. The coal-fired device includes the coal installation; the chain stove arranges upper coal, the stokehold push and pushes behind the stove. Front furnace chamber is composed between the stokehold arch and the chain stove row. Queen furnace chamber is composed between pushes behind the stove and the chain stove row. The top of the front furnace chamber's surface form the arch by the whorl stream burning. The oblique tones wall of the furnace chamber matches the combustion-supporting place with draught that leads to the front furnace. The combustion-supporting place with draught is tangent with the front furnace chamber top arch, and the back of furnace chamber is connected in the front burning hot gas outlet. The structure is simple reasonable, and low cost, full combustion, high thermal efficiency, low energy consumption, solved black smoke fouling problems, protection of the environment.

This invention relates to a single-chain grate swirl pure smoke-free steam boiler which belongs to thermal equipment. It includes the shell, the upper part of the flag -pipe group, waterwall, drum and lower coal-fired device. The coal-fired device includes coal installation; the chain stove arranges upper coal, the stokehold push and pushes behind the stove. Front furnace chamber is composed between the stokehold arch and the chain stove row. Queen furnace chamber is composed between pushes behind the stove and the chain stove row. The top of the front furnace chamber's surface form the arch by the whorl stream burning. The oblique tones wall of the furnace chamber matches the combustion-supporting place with draught that leads to the front furnace. The combustion-supporting place with draught is tangent with the front furnace chamber top arch, and the back of furnace chamber is connected in the front burning hot gas outlet. The structure is simple reasonable, and low cost, full combustion, high thermal efficiency, low energy consumption, solved black smoke fouling problems, protection of the environment.

The present invention relates to a smokeless coal-saving horizontal mechanical fire grate heat-conducting oil-burning boiler. It is characterized by that the upper portion of said furnace body is heating zone, the lower portion of said furnace body is hot gas supply zone, the interior of furnace body of heating zone is equipped with a heat-conducting oil pipe, the bottom portion of heating zone has a hot gas inlet, the top portion of heating zone is equipped with a draught fan; the hot gas supply zone has a coal-burning device, said coal-burning device possesses combustion furnace cavity, mechanical fire grate, coal-adding device and high-temperature gas outlet. Besides, said invention also provides the concrete structure of said combustion furnace cavity. Said invention is simple in structure, and can completely solve the problem of discharging black smoke by burning coal.

The invention discloses a coal gas treatment method for eliminating black smoke from the top of a blast furnace. According to the method, under the condition that no equipment is added, the problem that black smoke is emitted from the top of the blast furnace in the damping down and reblowing processes of the blast furnace is solved by changing a coal gas treatment operation program and utilizingan existing dry dedusting coal gas purification system. Specifically, according to the method, in the damping down and reblowing processes of the blast furnace, under the condition that the interior of the furnace is still under positive pressure, a blow-off valve at the top of the furnace is not opened, coal gas is introduced into a cloth bag dedusting box, the coal gas is dedusted through the dedusting function of a cloth bag, and then clean coal gas is discharged through a blow-off pipe of a cloth bag deduster, so that the phenomenon that black smoke is emitted from the top of the furnace in the damping down and reblowing processes is completely eliminated.

The invention discloses a grate for a biomass particle environment-friendly boiler, which comprises a grate and a valve, wherein the grate body is movably connected with the valve; the grate body is in a taper shape and a plurality of vent holes A are uniformly distributed on the grate; one end of a side wall of the grate is provided with a long pipe for ignition and the other end of the side wall is symmetrically provided with a short pipe for ventilation; and a large orifice end of the grate body is circularly provided with a support block, a small orifice end is provided with a cavity of which the shape and the size are matched with the shape and the size of the valve, and a plurality of vent holes B are uniformly arranged on the valve. The problems that biomass particles in the prior art are hard to ignite and cannot burn fully, black smoke is easy to generate and fuel residue is inconvenient to remove and wash are effectively solved through the grate for the biomass particle environment-friendly boiler.

The invention discloses an industrial boiler for burning bio-briquettes. A front arch and a rear arch of which the front part is in an interdigitated shape are arranged in a body of the boiler; upper edges of two adjacent interdigitated parts of the rear arch are provided with corresponding grooves; a check block is arranged between two adjacent interdigitated parts; and two sides of the check block are fixedly connected with rotating shafts which are respectively arranged in the corresponding grooves. Furthermore, a figure-7 partition laminate is arranged above the rear arch; a movable division door is arranged between the rear end of the partition laminate and the rear arch; a circulating air pipe is connected with an air inlet of a draught fan outside the body through an air pipe; the air outlet of the draught fan is connected with a last-stage air bin of a chain grate; and a secondary air pipe at the air inlet on the side wall of a third combustion chamber is deflected toward the lower rear part, and is communicated with a main secondary air pipe outside the body. The industrial boiler has the advantages that: the bio-briquettes are efficiently and stably combusted; the boileris started at a high speed and has high heat efficiency; black smoke is not generated when the boiler is started; and the integral delivery of the boiler can also be realized.

The invention discloses a small down-draft type smokeless firewood kiln. A kiln body is arranged to be in a square dome form. The kiln bottom is square. Flame suction holes become smaller sequentially from a hearth to a chimney. The chimney is 6-meter long. A flashboard is arranged on the chimney. The atmosphere in the kiln body is adjusted by controlling the flashboard of the chimney. The small down-draft type smokeless firewood kiln provided by the invention has the characteristics that (1) flames flow from top to bottom, and the temperature in the kiln body is uniform; (2) the size is small, operation is easy and convenient, and sintering requirements of modern artists, studios and workshops can be met; and (3) the kiln bottom is square, the flame suction holes become smaller sequentially from the hearth to the chimney, by utilizing the theory that the closer to the chimney, the higher the suction force is, the defect that kiln positions away from the chimney are prone to generating dead flame angles is overcome, the temperature in the kiln body is more uniform, and the sintering success probability is increased.

The invention discloses a gas treatment method for eliminating black smoke from the top of a blast furnace. In the method, without adding any equipment, by changing the operation procedure of the gas treatment, the existing dry dust removal gas purification system is used to solve the problem of blast furnace shutdown. The problem of black smoke from the furnace top during the wind and rewind process. Specifically, in the process of shutting down and revitalizing the blast furnace, when the furnace is still under positive pressure, the gas is not opened on the top of the furnace, but the gas is introduced into the bag dust removal box, and the dust removal function of the bag is used to remove the dust from the gas. Afterwards, the clean gas is discharged from the release pipe of the bag filter, thereby completely eliminating the phenomenon of black smoke from the top of the furnace during shutdown and rewinding.

The invention discloses a method for preventing faults when construction machinery is started. The start-up process is divided into two stages: in the first stage, the main controller controls the absorbed power of the hydraulic main pump to increase at a rate of k1 through an electric proportional control valve to 3-10% of its target power; in the second stage, the main controller controls the absorbed power of the hydraulic main pump to rise to its target power at a rate of k2 through the electric proportional control valve; the first stage is the first 0.6-10% of the start-up process 1s, the rate k2 is 2 to 6 times of the rate k1. The invention controls the absorbed power of the hydraulic main pump to match the power of the diesel engine during the starting process, reducing the initial load of the diesel engine, enabling the diesel engine to start normally, and avoiding black smoke when the diesel engine starts with load. Problem: The present invention does not need to modify the start-up control system of construction machinery, which saves the cost of modification.

The present invention relates to a single-cyclone coal-burning equipment. It includes combustion furnace cavity, fire grate, coal-adding device and high-temperature gas outlet. It is characterized by that the top portion of its furnace cavity cross-section is made into the arched form capable of forming cyclone combustion, the side wall of said furnace cavity is equipped with a combustion-supporting air inlet communicated with the furnace cavity, said combustion-supporting air inlet is tangential to said arched form of top portion of furnace cavity, the rear portion of said furnace cavity, is connected with high-temperature gas outlet. Said invention is simple in structure, and can completely solve the problem of discharging black smoke by burning coal, and can save fuel coal.

The present invention relates to a smokeless coal-saving large-size mechanical fire grate heat-conducting oil-burning boiler. It is characterized by that said furnace body has heating zone and hot gas supply zone, the interior of furnace body of heating zone is equipped with heat-absorbing tube bank, the bottom portion of heating zone is equipped with a hot gas inlet, and the top portion of said heating zone is equipped with a draught fan; the hot gas supply zone possesses a coal-burning device, said coal-burning device has a combustion furnace cavity, meachinical fire grate, coal-adding device and high-temperature gas outlet. Said invention also provides the concrete structure of said furnace cavity. Said invention is simple in structure and can completely solve the problem of discharging black smoke by burning coal.

The invention discloses a boiler which comprises an outer wall and an inner wall. The outer wall and the inner wall are sealed to form a water storage cavity; a steam chamber is arranged at the top of the water storage cavity; a slagging cavity, a combustion chamber, an air cavity and a high-temperature cavity are sequentially arranged in the inner wall from bottom up; the air cavity communicates with an upper air inlet; the slagging cavity communicates with a lower air inlet; a plurality of ventilating ducts communicating with the air cavity are arranged in the combustion chamber; a plurality of air spouts are formed in the side walls of the ventilating ducts; a plurality of fire tubes are uniformly arranged in the water storage cavity; the bottoms of the fire tubes communicate with the combustion chamber; the tops of the fire tubes communicate with the top of the high-temperature cavity; the bottom of a smoke pipe penetrates through the outer wall and the inner wall, and the smoke pipe discharges smoke out of the boiler. The boiler effectively avoids pipe explosion and is high in energy utilization ratio.