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 discloses a flue gas recirculation type garbage pyrolysis gasification oxygen-rich incinerator which comprises an incinerator main body, a flue gas recirculation type air feeding system, a flue gas filter device, an oxygen-rich air feeding system, a flue gas waste-heat heat exchanger and a flue gas purifying device, wherein the incinerator main body comprises a combustion chamber I and a combustion chamber II which are respectively used for garbage pyrolysis gasification and incineration of combustible materials; the circulated flue gas is injected into the incinerator through the flue gas recirculation type air feeding system, so that turbulivity in the incinerator is improved, garbage incineration is strengthened, incompletely-combusted pollutants such as a dioxin precursor and the like are reduced, and discharge of the pollutants is reduced. The oxygen-rich air feeding system can increase an incineration temperature, and can reduce consumption of auxiliary fuels; the flue gas filter device and the flue gas purifying device can further reduce discharge of pollutants; and the flue gas waste-heat heat exchanger can recycle flue gas waste heat. The flue gas recirculation type garbage pyrolysis gasification oxygen-rich incinerator can effectively solve the problems that a garbage thermal value is low, water content is high, an incineration temperature caused by low oxygen content in air is low, combustion efficiency is poor, consumption of auxiliary fuels is high, discharge of pollutants is not up to standard, and the like.

An efficient oil sludge incinerator comprises an incinerator body formed by an inner incinerator wall (11) and an outer incinerator wall (10). The efficient oil sludge incinerator is characterized in that an air interlayer (12) is formed between the inner incinerator wall and the outer incinerator wall, a primary air inlet (13) is formed in the outer incinerator wall, an incinerator bottom (5) is arranged on the lower portion of an incinerator chamber (15), an incinerator bottom air outlet (6) communicated with an air outlet of an air distribution plate (4) placed on the outer portion of an incinerator bottom (5) is formed in the incinerator bottom, an air inlet of the air distribution plate (4) is communicated with the air interlayer, a secondary air inlet channel (9) is arranged in the middle of the incinerator body, a screw feeder (8) which conveys oil sludge into the incinerator chamber is arranged on the middle-lower portion of the incinerator body, a diesel combustion-supporting device (1) is arranged on the lower portion of the incinerator body, a smoke outlet channel (14) is arranged on the upper portion of the incinerator body, and a controllable deslagging channel (16) is arranged on the lower portion of the incinerator body. The efficient oil sludge incinerator has the advantages of being high in burning efficiency, stable in incineration and low in mechanical fault rate, and ideal equipment is provided for oil sludge efficient cleaning processing.

The invention discloses a method for incinerating high-viscosity organic mixed waste liquid. The method comprises the following steps of: injecting external high-viscosity organic mixed waste liquid into a waste liquid storage tank by using a gear pump; controlling the temperature of the waste liquid in the waste liquid storage tank to be between 60 and 130 DEG C by utilizing an external steam heat source, and ensuring the waste liquid to be in a flowable state; conveying the waste liquid in the waste liquid storage tank to a two-fluid waste liquid combustor, wherein a waste liquid reflux pipe is arranged between the gear pump and the two-fluid waste liquid combustor and is connected to the waste liquid storage tank, and the waste liquid supply pressure is controlled to be between 0.1 and 0.4 MPa by controlling the reflux amount of the waste liquid; and before the waste liquid enters the two-fluid waste liquid combustor, introducing steam into the waste liquid to atomize the waste liquid, and proportionally adjusting the ratio of the waste liquid to the steam to completely atomize the waste liquid.

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 provides a solid recovery fuel preparation system and a running method thereof, wherein light combustible substances, heavy incombustible substances and recoverable metals can be separated while the moisture content of domestic garbage can be reduced and the calorific value of the garbage can be increased. According to the method, garbage enters a coarse breaking machine by a sortingline material receiving hopper, and the coarse breaking machine breaks the domestic garbage; the coarsely broken garbage is conveyed to a dish-type sieve by a coarse breaking machine material discharge belt conveyor, and before the garbage enters the dish-type sieve, part of the iron metal carried in the garbage is removed by a dish-type sieve feeding pre-iron removing device; the domestic garbage is sieved into an oversize material and an undersize material; the light combustible substances in a light substance buffer warehouse are fed to a drying line material receiving hopper by a substance buffer warehouse bridge type grab crane, and then the light combustible substances are conveyed to a drying machine by a double screw conveyor; and the light combustible substances being subjected to air drying treatment is conveyed to a solid recovery fuel warehouse by a finished product fuel warehousing conveyor.

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 trapezoidal high-temperature oxidation chamber for plasma solid waste treatment process, which comprises a high-temperature oxidation furnace, a pressure control system, an oxygen content control system and a water spray cooling system; A conical structure and a second conical structure at the bottom, and the longitudinal section of the first conical structure is a trapezoidal structure with a narrow top and a wide bottom, and the longitudinal section of the second conical structure is a trapezoidal structure with a wide top and a narrow bottom; the pressure control system The pressure of the high temperature oxidation furnace is controlled to be ‑20~‑30Pa; the oxygen content control system maintains the normal oxygen content of the flue gas outlet; the water spray cooling system controls the normal incineration temperature of the high temperature oxidation furnace. The flow field and heat field in the high temperature oxidation chamber of the present invention are more uniform, the incineration is more stable, the effect is better, and the NO can be significantly reduced. X emission; the setting of double blowers reduces the possibility of interlock shutdown; in terms of structure, the trapezoidal design is also more stable.

The rotary kiln type continuous dry distillation pyrolysis gasification incinerator includes a feeding device, a kiln body rotary device, a dry distillation pyrolysis gasification device, and a tail gas purification device. The right end of the kiln body rotary device is provided with a feeding device, the left end of the kiln body rotary device is provided with a dry distillation pyrolysis gasification device, and the left end of the dry distillation pyrolysis gasification device is provided with a tail gas purification device; the kiln body rotary device includes a rotary kiln, dry distillation pyrolysis gasification device The gasification device includes a dry distillation gasification chamber and a secondary combustion chamber, and the tail gas purification device includes a cyclone dust collector, a waste heat boiler, a quenching tower, a neutralization tower, a bag filter, an induced draft fan, and a spray washing tower; the preparation method includes the following operation steps: Initial combustion of material → dry distillation and gasification of material → initial combustion of flue gas → preliminary dust removal of flue gas → heat exchange of flue gas → quenching of flue gas → neutralization of flue gas → secondary dust removal of flue gas → acid removal of flue gas → discharge of flue gas up to standard. The invention can use high temperature flue gas to dry, dry distillation and pyrolyze medical waste or industrial waste, save fuel, discharge environmental protection and reduce the operating cost of enterprises.

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 a waste gas treatment system, an organic waste gas incinerator, an organic waste gas preheater and a diverter; the smoke exhaust end of the organic waste gas incinerator is connected to a smoke guide pipe, and the smoke outlet end of the smoke guide pipe The hot smoke inlet end of the organic waste gas preheater is connected, and the cold smoke discharge end of the organic waste gas preheater is connected with a smoke exhaust pipe; the invention can fully incinerate the organic waste gas, and can also stably utilize its The energy contained in the organic waste gas, and the organic waste gas preheater can make full use of the waste heat of the flue gas to achieve the effect of energy saving and emission reduction.