31results about How to "Incineration stable" patented technology

The invention relates to a continuous pyrolysis incineration device for full-scale electronic and electrical product waste. The continuous pyrolysis incineration device structurally comprises a feeder, a pulley feed hopper, a pyrolysis gasifier, a pyrolysis gas flue, a combustion furnace, a G-L air heat exchanger, a quenching absorption tower, a bypass flue, a chimney exhaust port, a cat ladder, an activated carbon storage tank and a chimney. The continuous pyrolysis incineration device has the advantages that dangerous electronic and electrical product waste, medical waste, organic waste and other kinds of dangerous combustible solid waste with a certain heat value are treated through a pyrolysis incineration technology, pyrolysis and high-temperature incineration technologies are combined in an optimized mode, low-temperature gas and high-temperature melt are combined together, waste incineration is conducted in the steps of pyrolysis, premixing and incineration, the synthetic technological process and technological conditions of pyrolysis incineration, energy recovery and flue gas cleaning are achieved and have perspectiveness, the overall technology has the outstanding harmless characteristic, compatibility and resourcezation are remarkable, material applicability is high, no hazardous reaction medium or poisonous and harmful solvent is involved in the process, and nature greenization can be achieved.

The invention relates to a technology for making acid by combined incineration of waste sulfuric acid and hydrogen sulfide, and a used incinerator. The technology comprises the following steps: (1) atomizing the waste sulfuric acid, with concentration of greater than or equal to 75%, as a by-product in an oil refinery to form acid mist by combining high pressure pump conveying mechanical atomization with compressed air auxiliary atomization, wherein the grain diameter is smaller than or equal to 80 microns; (2) completely mixing hydrogen sulfide gas, with concentration of 0 to 50%, as the by-product in the oil refinery with hot air in a cyclone air inlet to product mixed gas; and (3) spraying the acid mist into the incinerator by using a waste acid spray gun, meanwhile spraying the mixed gas of hydrogen sulfide gas and hot air into the incinerator by a hydrogen sulfide spray gun and carrying out incineration, pyrolysis and reduction reaction to generate SO2 burner gas, wherein the SO2 burner gas enters an acid making system after the heat is recycled through a heat recovery boiler. During the reaction, the grain diameter of the acid mist is smaller than or equal to 80 microns, and the acid mist is introduced into the incinerator at the same time, so that various reactions can be performed completely and heat loss is reduced furthest at the same time, and produced products meet the requirement of the subsequent acid making technology.

The invention discloses an intelligent sludge incinerator. The sludge incinerator comprises an outer furnace body, an inner furnace body, a base, an electrically driven automatic slag discharge grate, a screw feeder, an automatic slag discharge device, a diesel oil burner, a primary air inlet system, a secondary air inlet system and a controller, wherein the controller is used for controlling one or more temperature sensors arranged at a hearth, a smoke outlet and a primary inlet, an oxygen quantity sensor arranged at the smoke outlet and a weight sensor for automatic slag discharge. The intelligent sludge incinerator can realize reduction and harmlessness of sludge by adopting a bubbling suspension combustion method, and meanwhile realizes low discharge of pollutants; the combustion is stable by automatic control of parameters of primary and secondary air inlet, and the temperature in the incinerator is controlled at 850 to 950 DEG C all the time for combustion; and the sludge incinerator has high automation degree, saves labor, relieves labor intensity, realizes stable incineration of the sludge, obviously reduces the fault rate, and has low maintenance expense and humanized operation.

The invention discloses a method for incinerating low-viscosity organic mixed waste liquid. The method comprises the following steps of: injecting an external low-viscosity organic mixed waste liquid into a waste liquid storage tank by using a pneumatic diaphragm pump; controlling the temperature of the waste liquid in the waste liquid storage tank to be30-40 DEG C by using an external steam heat source to guarantee that the waste liquid is in a flowable state; conveying the waste liquid in the waste liquid storage tank to a double-fluid waste liquid combustor through a centrifugal pump, wherein a waste liquid return conduit is arranged between the centrifugal pump and the double-fluid waste liquid combustor and is connected to the waste liquid storage tank; controlling the waste liquid supply pressure to be 0.1-0.4MPa by controlling the reflux quantity of the waste liquid; and before the waste liquid enters the double-fluid waste liquid combustor, introducing compressed air into the waste liquid to guarantee that the waste liquid is atomized, and adjusting the proportioning of the waste liquid to the compressed air through a proportional expression to guarantee that the waste liquid is completely atomized.

The invention discloses an upright life waste thermal decomposition incinerator, comprising a body, a hopper and a feeding chamber at the front of the body, and a slag outlet at the back end, a feeder at the front end of the hopper and the feeding chamber. The feeder is step feeder formed by a taper hopper, a groove, a horizontal step plate, a hydraulic driver and a hot wind drying room. The horizontal step plate is connected with the taper hopper above and the hot wind drying room under, while it is driven by the hydraulic driver, to stepped push waste into an outlet. The hot wind drying room is connected with a smoke air preheater in the tail smoke channel of the boiler. The slag outlet is hydraulic arm slag outlet device, which arranges a slag scrape plate at the bottom of the water sealing groove at the bottom of lower wind inlet tube under a slag hopper, while the plate is driven by an arm connecting rod transmitter. The invention can be used in high-water low-heat waste incinerator.

The invention relates to flare tower and its combustion apparatus and unit burner. It includes many circular ring tubes with the same axis but not the same plane. Each of the circular ring tubes is set certain unit burner to form unit burner set. Its features are that each circular ring is connected to landfill gas sub-lateral by U-tube. The sub-lateral can form main. The interval of the U-tube top end is equal to circular ring tube nominal diameter. The vertical section of the former and the horizontal section of the latter are vertical. The sub-lateral is vertically connected to U-tube. It also includes electricity strike fire burning torch. Its accordant adjusting ratio can reach 100:1. The combustion is stable, and not easy to be flameout.

The invention discloses a method and a device for chemical-looping incinerating garbage. The method comprises the following steps of firstly, pouring the garbage into a fuel reactor, and pretreating;then introducing an oxidation-state oxygen carrier into the fuel reactor, and carrying out oxidation reaction on a treated garbage product and the oxidation-state oxygen carrier; further introducing an oxidation reaction product into a fuel cyclone separator, wherein CO2 and water vapor are used as a fluidizing gas so as to be cyclically imported into the fuel reactor, and a reduction-state oxygencarrier is imported into an air reactor through a classifier; and finally, carrying out reduction reaction on the reduction-state oxygen carrier and air in the air reactor, and re-importing a generated oxidation-state carrier into the fuel reactor for circulating the oxygen carrier. The device comprises the fuel reactor, the air reactor, a first circulator and a second circulator. The method forchemical-looping incinerating the garbage is accomplished through the device, so that the emission of pollutants is reduced, and the garbage can be incinerated fully and stably.

The method of supplying garbage to garbage incinerator is to supply garbage through a tunnel to the garbage incinerator quantitatively for stable combustion, reduced CO generated and preventing the generation of un-combusted matter and dioxin. The garbage supplying device has pushing machine with controlled withdrawing speed faster than pushing speed, CCD camera to monitor the status in the upper part of the garbage tunnel, some unit to calculate the weight of supplied garbage in unit time based on the garbage volume inside the tunnel and garbage weight thrown into the tunnel, and some controller to control the constant garbage supplying amount.

The invention discloses a household garbage comprehensive disposal and multicomponent utilization method, which belongs to the technical field of resources and environmental protection. Municipal household garbage is presorted into two parts including organic combustibles and inorganic muck; after presorting, the organic combustibles are conveyed to a garbage power plant so as to be burnt to generate power, generated slag enters a dry cement production line and is used as cement raw materials so as to be mixed, generated fly ash enters the dry cement production line, and the inorganic muck isconveyed to the dry cement production line so as to be burnt in a cement kiln and then is used as cement raw materials so as to be mixed. According to the household garbage comprehensive disposal andmulticomponent utilization method, the problem of small scale of cooperative garbage disposal of an existing cement kiln is solved, and the problem of slag and fly ash disposal in garbage power is solved; a good environmental effect is guaranteed, the high household garbage disposal capability is provided, recycling is realized during household garbage disposal, and a good economic effect is achieved.

The invention relates to a waste incineration prediction and feedforward control method. The method comprises the following steps that the types of furnace-entering waste are obtained; the furnace-entering waste is classified based on the waste types, and then each type of classified waste is marked; the marked furnace-entering waste is mixed and then identified, and the types and the mass ratio of the furnace-entering waste are obtained; based on the types and the mass ratio of the furnace-entering waste, one or more parameters including the heat value, the water content, the fixed carbon and the ash content of the furnace-entering waste are calculated; and according to the parameters of the furnace-entering waste, one or more parameters including the air volume, the water supply flow and the fire grate running speed of an incinerator are adjusted. According to the method, the waste is subjected to fine classification and marking, then the data of the real-time furnace-entering waste are obtained, the parameters including the heat value, the water content, the fixed carbon and the ash content of the furnace-entering waste are obtained based on the data, the boiler combustion parameters are adjusted in advance, the combustion condition is prejudged, the problem of control lag is avoided, and combustion in the incinerator is optimized.

The invention discloses a combustion treatment method for carbonyl nickel-containing waste gas and relates to improvement of a combustion treatment method for the carbonyl nickel-containing waste gas generated in the carbonyl metallurgical production process. The method is characterized in that: by utilizing the Venturi principle of fluid for the combustion treatment of the carbonyl nickel-containing waste gas, a sleeve is arranged on an air inlet pipe of an incinerator; and a compressed air inlet pipe is arranged at the front end of the sleeve; therefore, the temperature of an exhaust pipe is reduced, and the distribution of the waste gas and air is realized. The method comprises the following steps of: opening a compressed air valve to introduce air into the sleeve, and opening a carbonyl nickel-containing waste gas inlet valve to perform mixed flow distribution combustion. By utilizing the Venturi principle of fluid, mixed flow distribution is performed before the waste gas is combusted, a negative pressure area is formed at the waste gas inlet, the rate for decomposing the carbonyl nickel in the waste gas at the air inlet to form nickel plating is delayed and the continuous treatment time of the waste gas is prolonged; therefore, the process of combusting the waste gas is continuously and stably performed, and the aim of timely disinfection is fulfilled.

The invention relates to the field of agricultural environmental protection equipment, in particular to an agricultural waste environment-friendly incineration device. The agricultural waste environment-friendly incineration device comprises a vertically-arranged support mounting barrel, wherein supporting foot pads are arranged at four corners of the lower end of the support mounting barrel; material guide mounting holes are horizontally formed in the lower half part of the support mounting barrel in a penetrating manner; a material guide mounting frame is horizontally arranged between the material guide mounting holes; a movable combustion barrel is arranged at the upper end of the material guide mounting frame; and a lifting mounting frame is horizontally arranged in the support mounting barrel above the material guide mounting holes. Through the cooperation of a synchronous lifting adjusting structure and a clearance fit pressing structure, crop wastes can be stably incinerated, the problems of polluting the environment and wasting resources since incineration ash is directly led out and difficult to recycle are avoided, the crop wastes have large incineration area, high incineration efficiency and good incineration quality by means of an active incineration structure of active flow guiding and multi-point combustion, the incineration residues are completely recycled, the recycling is facilitated, and the whole agricultural waste environment-friendly incineration device is more environmentally friendly.

A movable incinerator fire grate turning device is arranged at the front end, the middle end and the rear end of a fire grate respectively, the turning device at the front end is arranged in the middle of a drying area, and the turning device at the rear end is arranged at the 1/3 position of a burnout area. Comprising a material turning shifting piece, an air cooling hollow shaft, a rotary joint, an adjusting structure, a high-temperature-resistant bearing, a speed reducer, a furnace wall, an air supply and exhaust pipeline, a secondary fan and an air supply cooling structure, the air cooling hollow shaft is fixed to the furnace wall through the adjusting structure and the high-temperature-resistant bearing, and a hollow shaft of the speed reducer is connected with one end of the air cooling hollow shaft; a plurality of material turning shifting pieces are evenly arranged on the shaft section, located between the furnace walls, of the air cooling hollow shaft, the secondary fan is connected with the end, close to the speed reducer, of the air cooling hollow shaft through an air supply and exhaust pipeline and a rotary connector, and nozzles are formed in the positions, located on the material turning shifting pieces, of the air cooling hollow shaft. According to the device, an original combustion mode is reserved, stable incineration of low-calorific-value large-particle-size garbage is achieved through the enhanced turbulent flow technology, and the compact and mobile requirements of the device are met.