56results about How to "Reduce heat burn rate" patented technology

The invention relates to multi-column sectional drive combined type domestic incinerator. It is set three fire-grates that drying section, burning section, and firing section. The middle fire grate is connected between them. There is altitude fall between them that the drying section is the highest point; the firing one is the lowest point. The primary air chamber is respectively set under them. The incinerator fire grate system of the invention has independent drive mechanism, air supply system, and air chamber for each section which is convenient for controlling technical parameter that traveling speed, air quantity, air temperature, air pressure etc to realize full drying and burning for whole garbage layer.

The invention relates to an efficient burning furnace with a rotary fluidization grate. The burning furnace with the rotary fluidization grate consists of a feeding system, a burning system and a slagging system; moreover, a waste heat boiler and a flue gas treatment system are connected with the burning furnace to form a complete garbage burning and generating system. The feeding system consists of a feeding hopper, a pre-drying conveying device, an aggregate bin, a chute and a charge distributor. The feeding hopper is a receiving opening for feeding garbage into the burning furnace and is arranged in a garbage storage pit close to one side of the burning furnace. An outlet of the feeding hopper is connected with an inlet of the pre-drying conveying device. A material level switch is arranged in the feeding hopper, and gives an alarm to prompt an operator to feed materials when the material level is lower than a set value so as to ensure that the hopper is not empty. The outlet of the hopper can be selectively provided with a feeding device. The burning furnace has the advantages of high burning speed, high burning efficiency, high slag burning degree, easy control, lower energy consumption, low pollution, low cost and investment conservation, and is applicable to domestic garbage with low thermal value and high moisture; and the garbage does not need to be pretreated.

The invention relates to a medicine garbage burning technology. The medicine garbage is transferred to the material casting entrance by sealed special transport vehicle and casting equally, quantificatioally into the burning furnace by automatic lifting material feeding device. And the process of dehydration and drying, pyrolysis and gasification, burning, second burning, smoke sedimentation, waste heat recovery and smoke dealing with would be taken. Thus, the content reduce quantity would reach 99%. The invention can effectively avoid the produce of poisonous substance.

The invention relates to a gas, solid and liquid integrated combustion system, and belongs to the technical field of the environment. The system is composed of a waste gas collection system, a granulation system, a feeding system, a rotating furnace, a combustion furnace, a waste heat boiler, a heat exchanger, a rapid quenching tower, a smoke dry type washing system, a cloth bag dust removal device, a spray tower, a reheater and a chimney. Coal, solid waste and liquid waste are evenly mixed according to the mass ratio (1-12):(2-30):(1-16) in the granulation system for granulation; after collected waste gas is preheated, part of the waste gas enters the rotating furnace, and the other part of the waste gas enters the combustion furnace to be processed through high temperature combustion; high temperature tail gas of the combustion furnace enters the rapid quenching tower, the dry type washing system, the cloth bag dust removal device and the spray tower after heat energy recovery, and is sent to the chimney by a draught fan after the tail gas is cooled and fly ash, dioxin and acid gas are removed, so that emission reaching the standard is completed. Liquid waste produced in the running process of the system is recycled in the granulation system, solid waste such as activated carbon is fed into the rotating furnace to be combusted, and therefore harmless treatment is achieved while running cost of the system is reduced.

This invention is a vibrating high burnout grate. The fire bar is fixed at the grate surface. The grate is suspended on the furnace wall through steel wire and can move a little backwards. The air chamber in vibration device provides driving force for grate to move. The anterior end of grate is material feeding opening. The posterior end is slag-off opening. The superior end is combustion chamber. The inferior end is air chamber. This invention has high combustion efficiency and long life span.

The invention provides moving grate drying bed-circulating fluidized bed boiler-compounded incineration equipment, which comprises a moving grate drying bed and a circulating fluidized bed boiler, wherein the moving grate drying bed comprises a feed system arranged on the moving grate drying bed; the circulating fluidized bed boiler comprises a dreg outlet formed in the bottom of a furnace of the circulating fluidized bed boiler; and the moving grate drying bed is connected with the circulating fluidized bed boiler in a dense phase zone of the moving grate drying bed. The moving grate drying bed-circulating fluidized bed boiler-compounded incineration equipment realized by the invention is reasonable and scientific in design, can be used for processing dregs with the characteristics of low heat value, high moisture content and poor air permeability, and can be further used for processing municipal solid wastes with the similar characteristics.

The invention discloses a combined type large household garbage incinerator, and relates to a garbage incinerating device. The combined type large household garbage incinerator comprises a main frame, a fire grate frame is installed in the main frame, is provided with a fire grate and comprises a fixed frame, a movable frame and a supporting wall plate, the fixed frame is connected with the main frame through the supporting wall plate, and the movable frame is installed on the fixed frame in a sliding mode through a supporting guide device. The fire grate comprises a fixed fire grate body and a movable fire grate body which are the same in structure, the fixed fire grate body and the movable fire grate body are each formed in the mode that a plurality of fire grate sheets are connected into a whole in the width direction of the fire grate, the ends of the adjacent fire grate sheets are connected in a lap joint mode, the fire grate sheets are provided with pin holes respectively, the fire grate sheets of the fixed fire grate body are connected with the fixed frame through hinge pins, the fire grate sheets of the movable fire grate body are connected with the movable frame through hinge pins, and spring pins are arranged at the two ends of the hinge pins respectively for limiting. The fire grate of the combined type large household garbage incinerator is in the combined mode, the incinerators different in processing capacity are rapidly designed easily, most parts are the same in structure, the number of the types of the parts is small, the interchangeability is good, and the manufacturing cost and the maintenance cost are low.

The invention belongs to the technical field of energy utilization and discloses a garbage disposal and generator set coupling power generation system which comprises a garbage disposal system and a thermal power generation system; the garbage disposal system comprises a garbage incinerator and a dust remover communicating with each other; the thermal power generation system comprises a boiler, afirst air pre-heater and a first heat exchanger; the first heat exchanger is arranged in a reversal chamber of the boiler and communicates with the garbage incinerator; the first air pre-heater communicates with the first heat exchanger; the dust remover communicates with the boiler; the flue gas through dedusting by the dust remover enters the boiler to burn; and the air enters the first heat exchanger via the first air pre-heater and is heated by heat generated through combustion in the boiler to enter the garbage incinerator. Compared with a conventional waste incineration power station, heat generated through garbage decomposition can be directly absorbed by a boiler system, and after the boiler treats waste incineration flue gas at the high temperature, dioxin and other exhaust gas inwaste incineration flue gas can reach the discharge standard of pollutants.

The invention belongs to the technical field of hazardous waste incineration, and discloses a hazardous waste rotary kiln incineration process which is realized by adopting a hazardous waste rotary kiln. The hazardous waste rotary kiln comprises a cylinder body, the two ends of the cylinder body are respectively provided with a kiln head cover and a kiln tail cover in a rotatably and hermeticallyconnected manner, the lower part of the kiln tail cover is provided with a slag outlet, and the kiln head cover is cylindrical; a main air hole and an auxiliary air hole are formed in the side wall ofthe kiln head cover, the main air hole is located in the top of the kiln head cover, the main air hole and the auxiliary air hole are not located in the same circumferential line of the kiln head cover, the main air hole is formed close to the cylinder body, and the auxiliary air hole is formed in the side away from the cylinder body; hazardous waste is thrown into the cylinder body to be incinerated, after the temperature in the cylinder body rises to 1000-1150 DEG C, air is supplied into the kiln head cover from the main air hole and the auxiliary air hole, and the air speed of the main airhole and the air speed of the auxiliary air hole are consistent; and after the hazardous waste is incinerated, ash slag is guided out from the slag outlet. By means of the hazardous waste rotary kilnincineration process, it can be guaranteed that the ignition loss rate is low after hazardous waste is incinerated, and the excess air coefficient is low, so that the hazardous waste can be fully incinerated, and heat losses in the incineration process can be reduced.

The invention discloses a solid waste gasification system and a gasification method thereof. At present, solid waste disposal is mainly based on incineration, which is likely to cause secondary environmental pollution. The air distribution mechanism is arranged at the bottom of the furnace body of the present invention; the primary air inlet of the air distribution mechanism communicates with the gasification fan through the one-way mixer, and the secondary air inlet communicates with the inner cavity of the furnace body through the annular air duct, and also communicates with the outlet of the one-way mixer. The tuyere; the mixed steam inlet of the one-way mixer is connected with the high-temperature steam outlet; the furnace body is divided into an upper space layer, a drying chamber, a dry distillation chamber, a lower space layer, a reduction chamber, an oxidation chamber and ash chamber; the drying chamber layout and the high-temperature steam inlet Connected dry steam nozzles, retort steam nozzles connected to the high-temperature steam inlet in the retort chamber; high-temperature steam coils are arranged in the dry chamber and retort chamber, connected to the high-temperature steam inlet and high-temperature steam outlet; Arrange the reducing gas outlet in layers. The invention continuously transforms solid waste into combustible gas and high-temperature sintered and solidified slag to achieve harmlessness.

The invention is a reciprocating furnace grate system provided with a transverse movement. The heat section of the furnace grate is equipped with a dovetail through-groove (2). A connecting rod (3) goes through the same row of dovetail through-groves, and is equipped with bosses (4), the number of which is the same as that of the dovetail through-grooves, and which corresponds to the grooves one by one. Two ends of a connecting rod on a fixed furnace grate plate (1c) are fixed on a push rod (5). A support lug (3a) at the external side of the push rod is connected with a piston rod of a fixed oil cylinder (6), and the fixed oil cylinder (6a) is fixed on a middle beam (1a). Two ends of a connecting rod on a flexible furnace grate plate (1f) go through a bar through-hole (5) respectively and are connected directly with a piston rod of a flexible oil cylinder (6b), which is arranged on a pull rod of the flexible furnace grate. The invention is a reciprocating furnace grate system provided with the transverse movement, and is favorable for breaking up, loosening and mixing of a rubbish layer in an incinerator. Thus, the drying and combustion of rubbish is promoted.

The invention discloses a device for reducing the ignition loss rate of incineration residues of a hazardous waste incineration rotary kiln. The device comprises the hazardous waste incineration rotary kiln, a special carbon residue incineration rotary kiln and a secondary combustion chamber, and the hazardous waste incineration rotary kiln and the special carbon residue incineration rotary kiln have the same structure and each comprise a feeding cover, an inner chamber, a supporting device, a transmission device and a discharging cover, wherein the inner chamber is supported on the supportingdevice, the transmission device drives the inner chamber to rotate, the feeding cover is arranged at the feeding port end of the inner chamber in a sleeving manner, and the discharging cover is arranged at the discharging port end of the inner chamber in a sleeving manner. The discharging cover of the hazardous waste incineration rotary kiln is communicated with the feeding cover of the special carbon residue incineration rotary kiln through a feeding chute; and the discharging covers of the hazardous waste incineration rotary kiln and the special carbon residue incineration rotary kiln are provided with flue gas outlets, and the flue gas outlets of the discharging covers of the hazardous waste incineration rotary kiln and the special carbon residue incineration rotary kiln are communicated with a flue gas inlet of the secondary combustion chamber through flue gas channels. The device is high in waste disposal adaptability, the incineration removal rate is larger than 99.99%, and theslag ignition loss rate is smaller than 5%.

A forward pushing type household garbage incinerator grate comprises a drying area, a first combustion area, a second combustion area and a burnout area. The inclination angle of the portion, in the drying area, of the incinerator grate is 12 degrees to 18 degrees, the inclination angles of the portions, in the combustion areas and the burnout area, of the incinerator grate are 5 degrees to 10 degrees. Each area of the incinerator grate is divided into 1-3 sections in the length direction, is divided into 1-2 air chamber areas in the width direction and is formed by a plurality of driving units. A fall of being about 1m is arranged between every two adjacent sections of incinerator grate, and cooling air is arranged at the fall. Each incinerator grate module comprises a fixing frame, movable beams, static beams, a driving system, a supporting roller, an incinerator grate segment, an incinerator grate segment support and the like. The movable beams and the static beams are alternately arranged in columns, the movable beams are driven by a swing device at the front end to move, and abrasion-resistant sliding plates at the rear ends of the movable beams roll on the supporting rollers.The front ends of the static beams are fixed through hooks, and the rear ends of the static beams are supported and fixed. Each incinerator grate module is independently driven, and a driving deviceis arranged on the outer side of a furnace wall. The forward pushing type household garbage incinerator grate is simple in structure, the primary air distribution is uniform, the combustion process isfully automatically controlled, the long-time continuous stable operation can be achieved, the heat efficiency is improved, and the emission concentration of secondary pollutants is reduced.

The invention provides an air distribution system for a small household garbage pyrolysis and gasification incinerator. The air distribution system comprises an annular air pipe and an air supply header pipe, and the air supply header pipe is provided with a first air pipe, a second air pipe and a third air pipe. According to the air distribution system for the small household garbage pyrolysis and gasification incinerator, blending combustion air is divided into three paths of air to be actively conveyed to different reaction areas of the hearth so as to maintain garbage reaction, the flow field in the incinerator is actively controlled, and the oxygen supply amount of the corresponding areas can be actively controlled according to the aerobic rule of garbage in the different reaction areas; the stability of a hearth flow field is improved, the reaction process of garbage is optimized, the external energy consumption of various reactions of the garbage and the ignition loss of ash are reduced, the component stability of pyrolysis gas and the operation stability of a secondary combustion chamber are improved, and further treatment of the pyrolysis gas is facilitated; and favorable conditions are created for the incinerator to achieve a better emission level.