CN101284715A - Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns - Google Patents

Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns Download PDF

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Publication number
CN101284715A
CN101284715A CNA2008100114238A CN200810011423A CN101284715A CN 101284715 A CN101284715 A CN 101284715A CN A2008100114238 A CNA2008100114238 A CN A2008100114238A CN 200810011423 A CN200810011423 A CN 200810011423A CN 101284715 A CN101284715 A CN 101284715A
Authority
CN
China
Prior art keywords
furnace
smoke
lightweight aggregate
sintering
fire grate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2008100114238A
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Chinese (zh)
Inventor
曹燕飞
曹梦达
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
XINGCHENG XINLONGHAI ENERGY-SAVING BUILDING MATERIALS Co Ltd
Original Assignee
XINGCHENG XINLONGHAI ENERGY-SAVING BUILDING MATERIALS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by XINGCHENG XINLONGHAI ENERGY-SAVING BUILDING MATERIALS Co Ltd filed Critical XINGCHENG XINLONGHAI ENERGY-SAVING BUILDING MATERIALS Co Ltd
Priority to CNA2008100114238A priority Critical patent/CN101284715A/en
Publication of CN101284715A publication Critical patent/CN101284715A/en
Pending legal-status Critical Current

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Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/91Use of waste materials as fillers for mortars or concrete

Abstract

The invention provides a device for producing building material used lightweight aggregate through firing the domestic garbage in cities and towns. A lightweight aggregate sintering furnace is arranged at the lower part of a furnace body, a grate is arranged in the sintering furnace and is connected with a grate driver, a dump chest and a discharging machine are arranged at the lower part of the tail end of the grate, a smoke exhausting and blanking port is formed on the upper side of the combustion chamber of the sintering furnace, and a coal feeding hopper is arranged in front of the furnace body. A smoke decomposing furnace is arranged on the upper side of the lightweight aggregate sintering furnace, a material blanking hopper is arranged in the corresponding position of the chamber of the smoke decomposing furnace and the smoke exhausting and blanking port, and a smoke exhausting port is arranged on one side of the chamber. A material drying furnace is arranged on the upper side of the smoke decomposing furnace, a material feeding hopper is arranged on the material drying furnace, and a scraper chain conveyor and scrapers are arranged in the chamber of the drying furnace. As the device integrates the lightweight aggregate sintering furnace, the smoke decomposing furnace and the material drying furnace into a whole, thereby solving the problems of the material continuous sintering, the smoke thermal decomposition and the material drying through the waste heat. The device is applicable to the production of the building material used lightweight aggregate through firing the domestic garbage in cities and towns.

Description

The device of baking lightweight aggregate for building materials by domestic garbage in cities and towns
Technical field
What the present invention proposed is the equipment of the building materials production of building materials field, the specifically device of application of city life garbage firing building material light-weight aggregate.
Background technology
The patent No. that is proposed by Siemens Company is to disclose the rubbish heat-treating methods in 921097409 " method and apparatus of hot disposal of garbage ", the content of its specification digest is: the equipment of hot disposal of garbage comprises the low-temperature pyrolysis reactor (2) and a combustion chamber (8) of low-temperature pyrolysis gas and low-temperature pyrolysis resistates, is used for incendiary low-temperature pyrolysis coal gas to this combustion chamber supply.The less low-temperature pyrolysis material output combustion chamber (8) of separating in salvage stores tripping device (20) is burnt at there low-temperature pyrolysis gas.Rubbish/the liquid refuse that can directly carry the dirt shape to combustion chamber (8).Also can import additional fuel.Combustion chamber (8) is provided with discharge device (35), can take out slag fused from discharge device.Slag for example in the pond, becomes the vitrifying shape after cooling.Flue gas is discharged through flue gas pipeline (10).The present invention is suitable for handling all kinds of rubbish.
Principal claim is: the equipment that is used for hot disposal of garbage has the low-temperature pyrolysis reactor (2) that rubbish is transformed into low-temperature pyrolysis gas and the remaining solid material of low-temperature pyrolysis, the discharge device (3) that is used for the remaining solid material of low-temperature pyrolysis that is connected with low-temperature pyrolysis reactor (2), with low-temperature pyrolysis gas exhaust pipe (4) with discharge low-temperature pyrolysis gas and little dust, an and combustion chamber (8), low-temperature pyrolysis gas and little dust are supplied with this combustion chamber, it is characterized in that
--can import extraordinary rubbish to low-temperature pyrolysis reactor (2),
--settled a resistates tripping device (3,20) to be used for the low-temperature pyrolysis resistates is divided into thick component and thin component in low-temperature pyrolysis resistates one side of discharge device (3),
--be used for the combustion chamber (such as 8) of small component pipeline (21) oxygen-enriched combusting of thin component,
--can be directly the dirt shape, exsiccant rubbish and/or liquid refuse by the road (32,33) flow to combustion chamber (for example 8),
--(34) additional fuel feed combustion chamber (for example 8) by the road,
--combustion chamber (such as 8) keep the sufficiently long time gas that fuel produced by input on a certain temperature, thereby produce molten slag,
--combustion chamber (such as 8) are provided with discharge device (35), can take out slag fused from this device, become the vitrifying shape after slag fused is cooled;
--and have a flue gas pipeline (10) from the combustion chamber (for example 8) lead to (14).
Say compactly according to its technology contents analysis: the rubbish agglomerating is the combustion chamber.
Also be useful on the sintering oven of sintering ceramsite, its structure has two kinds, and a kind of is rotary kiln, and a kind of is the chain-type agglomerating plant.Wherein rotary kiln is that raw material is joined in the kiln body, lights burning things which may cause a fire disaster, improves the intravital temperature of kiln by fire, and the haydite base is sintered into haydite.Wherein the chain-type agglomerating plant is that the flame after the fuel combustion is heated from the top down to the haydite blank that is placed on the chain, and blank is heated up, and reaches the purpose that is sintered to finished product.
Above cinder combustion chamber, sintering oven and chain agglomerating plant are used for sintering cinder and haydite, and be inapplicable to application of city life garbage, and reason is the objectionable impurities that can not decompose in the rubbish, such as Dioxins.And slag and the feed separation of being fired can not all be utilized, and yield poorly, and the energy can not make full use of, complex structure, cost height.
Summary of the invention
For equipment and the existing shortcoming of haydite sintering device that overcomes hot disposal of garbage, the present invention proposes the device of application of city life garbage firing building material light-weight aggregate.This device is the technical problem that one solves material stoking, flue gas thermolysis and waste heat oven dry material with light-weight aggregate sintering oven, flue gas decomposing furnace and drying materials stove.
The present invention solves the scheme that its technical problem takes:
Be provided with the light-weight aggregate sintering oven in the body of heater bottom, be equipped with within it fire grate and with the fire grate driving machine mutually power connect, be provided with dump chest in the tail end bottom of fire grate, discharging machine is installed within it, above the sintering oven burning chamber, be provided with smoke, feed opening, on the body of heater front side wall, be provided with and add coal bunker.
Be provided with the flue gas decomposing furnace above the light-weight aggregate sintering oven, be made of cavity, its cavity and smoke, feed opening relative position are equipped with the material hopper, and its cavity one side is provided with smoke outlet.
Above the flue gas decomposing furnace, be provided with the drying materials stove, which is provided with the material loading hopper, the scraper plate machine is installed in its cavity, on the scraper plate machine, be provided with scraper plate.
Positively effect is: because the present invention is with the overlapping problem that solves material stoking, flue gas thermolysis and waste heat oven dry material for one of light-weight aggregate sintering oven, flue gas decomposing furnace and drying materials stove, it is abundant to have energy utilization, the sintering serialization, speed is fast, the level of automation height, stroke is short, the characteristics of easy handling and control, and can sinter cinder and rubbish material into light-weight aggregate.Suit to use with baking lightweight aggregate for building materials by domestic garbage in cities and towns.
Description of drawings
Fig. 1 is a structural representation of the present invention
Among the figure, 1. light-weight aggregate sintering oven, 1.1. adds coal bunker, 1.2. the fire grate driving machine, 1.3. fire grate, 1.4. dump chest, 1.5. discharging machine, 1.6. smoke, feed opening, 2. flue gas decomposing furnace, 2.1 material hopper, 2.2. smoke outlet, 3. drying materials stove, 3.1. material loading hopper, 3.2. the scraper plate machine, the 3.3. scraper plate.
Embodiment
According to the figure:
Be provided with light-weight aggregate sintering oven 1 in the body of heater bottom, be equipped with within it fire grate 1.3 and with fire grate driving machine 1.2 mutually power connect, tail end bottom at fire grate is provided with dump chest 1.4, discharging machine 1.5 is installed within it, above the sintering oven burning chamber, be provided with smoke, feed opening 1.6, on the body of heater front side wall, be provided with and add coal bunker 1.1.
Be provided with flue gas decomposing furnace 2 above the light-weight aggregate sintering oven, be made of cavity, its cavity and smoke, feed opening relative position are equipped with material hopper 2.1, and its cavity one side is provided with smoke outlet 2.2.
Above the flue gas decomposing furnace, be provided with drying materials stove 3, which is provided with material loading hopper 3.1, scraper plate machine 3.2 is installed in its cavity, on the scraper plate machine, be provided with scraper plate 3.3.
Furnace body wall is made by refractory materials.
But fire grate traveling-grate stoker, rolling fire grate or reciprocal grate.
Embodiment
Fire grate adopts traveling-grate stoker, and driving machine adopts two-speed gearbox and the supporting structure formation of electrode, and driving machine drives fire grate and moves backward in the past and coal is joined on the fire grate from adding coal bunker.Discharging machine adopts the scraper plate form.
The zone of combustion temperature of light-weight aggregate sintering oven is controlled at 1000~1200 ℃, and the temperature of flue gas decomposing furnace is controlled at 800~1000 ℃, and Temperature Control of Drying Oven is at 200~300 ℃.
Apparatus of the present invention working process
Coal is joined in the coal bunker, after rubbish material and coal and the granulation of fusing assistant mixture process, artificial or feeder joins in the material loading hopper, scraper plate machine running with material particles from after push ahead, accept to come from the heat that pushes up on the decomposing furnace simultaneously and makes the material particles oven dry, and drop to through decomposing furnace and smoke, feed opening on the coal seam on the fire grate from the material hopper.
Along with fire grate moves backward in the past, the coal that adds in the coal bunker is tiled on the fire grate, and point is coal-fired, coal burns on fire grate, the heating and sintering material particles forms the porous melting slag, along with burning of coal on burning of coal in the material particles and the fire grate simultaneously, cinder and material particles form mixture, produce new mineral material.When the burning of the bunker coal of coal and material particles totally, just reach sintering state, form the finished product light-weight aggregate.Light-weight aggregate is pulled out by discharging machine along with advancing of fire grate drops in dump chest.
In coal and rubbish material particle burning and agglomerating process, coal and rubbish material can produce flue gas, main component is carbonic acid gas and water in the flue gas, the organism that part is imperfect combustion and decompose is also arranged, chlorinated organics particularly is if chlorinated organics can not reach sufficient decomposition then can produce the Dioxins harmful toxic matter.Because Dioxins will decompose more than 800 ℃, so in through the flue gas decomposing furnace time, maintenance condition of high temperature for some time, then Dioxins can be decomposed fully, enters atmosphere thereby stop Dioxins, has controlled the pollution of flue gas.
Stoving oven is positioned at the furnace roof top of decomposing furnace, and a part of heat can be transmitted on the diapire of stoving oven, utilizes its heat can dry material, and heat is made full use of.
Because three stove plies are provided with, heat can make full use of, and flow process is short, the temperature height, and sintering effect is good, and can link mutually, and control performance is good, so burn till the efficient height, the output capacity height.

Claims (1)

1, the device of baking lightweight aggregate for building materials by domestic garbage in cities and towns is characterized in that:
Be provided with light-weight aggregate sintering oven (1) in the body of heater bottom, be equipped with within it fire grate (1.3) and with fire grate driving machine (1.2) mutually power connect, be provided with dump chest (1.4) in the tail end bottom of fire grate, discharging machine (1.5) is installed within it, above the sintering oven burning chamber, be provided with smoke, feed opening (1.6), on the body of heater front side wall, be provided with and add coal bunker (1.1);
Be provided with flue gas decomposing furnace (2) above the light-weight aggregate sintering oven, be made of cavity, its cavity and smoke, feed opening relative position are equipped with material hopper (2.1), and its cavity one side is provided with smoke outlet (2.2);
Above the flue gas decomposing furnace, be provided with drying materials stove (3), which is provided with material loading hopper (3.1), scraper plate machine (3.2) is installed in its cavity, on the scraper plate machine, be provided with scraper plate (3.3).
CNA2008100114238A 2008-05-16 2008-05-16 Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns Pending CN101284715A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNA2008100114238A CN101284715A (en) 2008-05-16 2008-05-16 Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNA2008100114238A CN101284715A (en) 2008-05-16 2008-05-16 Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns

Publications (1)

Publication Number Publication Date
CN101284715A true CN101284715A (en) 2008-10-15

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CNA2008100114238A Pending CN101284715A (en) 2008-05-16 2008-05-16 Device for baking lightweight aggregate for building materials by domestic garbage in cities and towns

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642145A (en) * 2017-01-24 2017-05-10 湖南民兴智能科技有限公司 Garbage drying and incineration system
CN109373321A (en) * 2018-09-27 2019-02-22 合浦县市政管理局 Refuse treatment plant
CN109373319A (en) * 2018-09-27 2019-02-22 合浦县市政管理局 Garbage combustion device
CN110590207A (en) * 2019-08-31 2019-12-20 武汉理工大学 Movable lightweight aggregate preparation system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106642145A (en) * 2017-01-24 2017-05-10 湖南民兴智能科技有限公司 Garbage drying and incineration system
CN106642145B (en) * 2017-01-24 2019-03-12 湖南民兴智能科技有限公司 Rubbish dries incineration system
CN109373321A (en) * 2018-09-27 2019-02-22 合浦县市政管理局 Refuse treatment plant
CN109373319A (en) * 2018-09-27 2019-02-22 合浦县市政管理局 Garbage combustion device
CN109373321B (en) * 2018-09-27 2019-12-03 合浦县市政管理局 Refuse treatment plant
CN110590207A (en) * 2019-08-31 2019-12-20 武汉理工大学 Movable lightweight aggregate preparation system

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Open date: 20081015