CN205447766U - Burner of carbomorphism mud - Google Patents

Burner of carbomorphism mud Download PDF

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Publication number
CN205447766U
CN205447766U CN201620008791.7U CN201620008791U CN205447766U CN 205447766 U CN205447766 U CN 205447766U CN 201620008791 U CN201620008791 U CN 201620008791U CN 205447766 U CN205447766 U CN 205447766U
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Prior art keywords
mud
coal
boiler
carrier chain
burner
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CN201620008791.7U
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Chinese (zh)
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李兴
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SUZHOU NIBAO ENVIRONMENT TECHNOLOGY Co Ltd
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SUZHOU NIBAO ENVIRONMENT TECHNOLOGY Co Ltd
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Abstract

The utility model belongs to the sludge treatment field, concretely relates to burner of carbomorphism mud, burner is the boiler, the boiler is equipped with the material loading mouth of a carbomorphism mud and the material loading mouth of a coal, be equipped with one in the boiler furnace and go up the conveying chain, conveying chain once, it is located to go up the conveying chain down above the conveying chain, go up the one end setting of conveying chain the material loading mouth of carbomorphism mud, the other end set up the slag export, the one end setting of conveying chain down the material loading mouth of coal, the other end set up the slag export. The utility model discloses a divide about two -layer conveying chain, carbomorphism mud is in the lower floor, coal is on the upper strata to it burns jointly to adopt the layering to mend coal, according to the valve screw rod of the material loading mouth of the condition regulation and control coal of the common burning of coal and mummification mud and carbomorphism mud, guarantee boiler furnace in the burning fully, the temperature keeps more than 950 DEG C.

Description

A kind of burner of carbonization mud
Technical field
This utility model belongs to field of sludge treatment, is specifically related to the burner of a kind of carbonization mud.
Background technology
Mud is the semisolid or solid matter produced in sewage disposal process.In sewage treatment plant's production process produce mud (sewage become muddy water, through flocculation mud be dehydrated again obtained by mud cake) in moisture content be up to 70%~90%.Sewage treatment plant often processes 10,000 tons of sewage mud to be produced 6-10 tons.Mud is water pollutant, and as can not be it thoroughly processed, pollution can exist always.Therefore, Treatment of Sludge is the steps necessary realizing sewage disposal.Mud is shaped as grey black, and vesicle-containing body, wherein containing substantial amounts of protein Organic substance, various strain pathogen.Mud is shelved for a long time and can be caused rotting smelly, produces the poison such as methane, hydrogen sulfide, and breed bacteria, mosquitos and flies, spreads disease, life threatening.Also containing heavy metal, chemicals in industrial sludge, pollute water and soil, endanger environment.
Sludge treatment is all to stack the most in early days, is poured into by mud in rubber ground, vegetable plot, green land, hillside.The method ignores pollution hidden trouble, serious threat environmental quality.Place's reason of mud was stored up on the ground and was transferred underground landfill to later, and the floor space needed due to underground landfill is big, develops again other method for sludge treatment, such as burning etc..Landfill mud was once the process approach that domestic sewage treatment plant processes mud, and most of producers once processed mud in the way of landfill.Sludge landfill place multiselect in the depression, field of this area, watershed, resident family is rare, and natural, ecological is the most local.After landfill mud, Sludge landfill place messenger is the most rare.But, along with the expansion of people's range of activity, the filthy environment that stink damp that landfill mud sends, mosquitos and flies are many etc. causes makes people unhappy, causes Sludge landfill place nearby residents to complain problem of environmental pollution to government.Therefore, area that are fairly developed economically, government pays much attention to and has set about research and processes sludge landfill problem.
The process of landfill mud presently, there are following methods:
1) burn: burning sludge is negative energy, and side effect is the biggest.Burning sludge is usually completed by the power plant in each place.It is primarily due to chimney of electric plant high, pollutes dilution, be difficult to cause nearby residents to dislike emotion.But owing to the corrosivity of mud is strong, causing electric power factory equipment loss big, depreciation is rapid.Meanwhile, because producing serious secondary pollution during burning process, the most well known is exactly two English harm, year in and year out, is easily caused genovariation, brings permanent disaster to resident's life and health of this area.On the other hand, power plant often burns 1 ton of mud, to produce the flue dust of about 186 kilograms in flue, inactive, not may utilize, if two English therein, heavy metal exceed standard, is hazardous waste, needs to expend substantial amounts of sanitary landfills expense (1200-2000 yuan/ton);
2) mummification burning: dewatered sludge calorific value have 3000 kilocalories/kilogram, and coal mixing incendivity, burning positive energy, do not produce two English.Owing to slag is active, recycling is disposed, and can thoroughly process mud.Through investigating, existing mummification cost 427 yuan/ton, do not include equipment depreciation;Drying equipment price individual event 500,000 yuan/ton, 300 ton day sludge drying project quotations 1.75 hundred million yuans.Without power plant, the mud after mummification does not has solution route, it is impossible to survive alone.If power plant burns charge, it is contemplated that expense, up to 260-480 yuan/ton, adds up to processing cost to be up to 687-907 yuan/ton of mud, and ordinary enterprises is difficult to undertake.
Such as: the Chinese invention of Patent No. 200510038416.3 discloses a kind of sludge incineration processing method, the method is to be delivered in the combustor of recirculating fluidized bed by the dewatered sludge that moisture content is 75%~85%, the dusty gas produced in storage by dewatered sludge is sent in the combustor of recirculating fluidized bed, dewatered sludge, dusty gas burn together with coal, burn the tail gas produced and discharge after treatment.This system has CFBB, cleaner unit and mud storeroom, utilize screw pump to be sprayed through sludge carrier pipe and sludge spray head by dewatered sludge to burn to the combustor of recirculating fluidized bed, utilize blower fan to be delivered to by the dusty gas that mud produces in combustor and burn;This system can also have steam blowing equipment and high pressure water cleaning device, cleans screw pump, sludge carrier pipe and sludge spray head with variable interval, prevents its dehydrated sludge blockage.
The Chinese invention of Patent No. 200810197041.9 discloses production method and the process equipment of the dewatered sludge of a kind of auxiliary fuel for power plant boiler, comprise the following steps: mud is added in the equal mixing device of hollow blade the most mixed with SAA sludge drying agent by (1) by weight 90~99: 10~1, the total amount of mud and SAA sludge drying agent is 100%, and mud carries out solving solidifying, chain rupture, pelletize, makes gap;(2) mud (1st) step all mixed adds in Multi-power source apparatus for drying sludge, carry out being combined by conduction of heat facility by solar energy, electric energy and steam energy and be applied to treat on the mud of mummification, mud to be dried, obtain the dewatered sludge of auxiliary fuel for power plant boiler.The dewatered sludge of the auxiliary fuel for power plant boiler present invention prepared and the steam coal of coal-burning power plant carry out mix grinding by weight 8~15: 92~85 and obtain fuel combination and spray into boiler firing equipment and carry out burning and produce superheated steam, and dewatered sludge is 100% with the total amount of the steam coal of coal-burning power plant.
The Chinese invention of Patent No. 200910015938.X discloses a kind of harmless recycling treatment process for urban sludge, utilizes the existing pulverized-coal fired boiler of power plant, defeated coal, exhaust emissions processing system to carry out municipal sludge disposal.The flue gas that the present invention extracts from the air preheater front portion of pulverized coal power boiler is mixed into 140~180 DEG C of flue gases with the flue gas from the extraction of boiler of power plant cleaner unit rear portion and delivers to sludge drier, mud is carried out mummification, mud entrance Coal Transportation System after mummification is mixed into fire coal and enters stove burning electricity generation, it is achieved recycling sludge utilizes.Coal-fired and dewatered sludge burns in boiler, the flue gas of discharge enters boiler of power plant cleaner unit and wet desulfurization system processes, after mummification, flue gas and dewatered sludge store, the tail gas of course of conveying generation drains into power plant desulphurization system and processes, it is achieved pollutant discharge in compliance with the standard, have stopped the secondary pollution to environment.
The Chinese invention of Patent No. 201210479041.4 discloses the manufacture method of a kind of sewage sludge biomass fuel, mixes with organic water-containing sludge and biomass material, by fermentation, is dehydrated, thus produces a kind of new sewage sludge biomass fuel.Gained sewage sludge biomass fuel can substitute raw coal, its calorific power at 1500-5000 kilocalorie, its product easy firing, and discharge is less than European Union Emission standard, rich in elements such as calcium, magnesium, phosphorus, potassium, sodium in ashes after burning, it it is first-class hot quick-acting organic fertilizer material.
The Chinese invention of Patent No. 201210566895.6 discloses a kind of municipal sludge clean fuel system and sludge fuel method, and system includes: concentration basin, mud mechanism for testing, and mud mechanism for testing is connected with mechanical presses drier or mixing reactor;Mechanical presses drier connects burning boiler and gas disposal facility respectively, and mixing reactor connects burning boiler;Burning boiler connects gas disposal equipment, district heating system and mud flyash disposal facility respectively, and mud flyash disposal facility connects mud flyash test system;Gas disposal equipment is connected with condensing unit, and condensing unit is sequentially connected with denitrogenation, desulfurization and ammonia removal device, and ammonia removal device connects tank used for storing ammonia and burning boiler respectively.Method includes: sludge condensation process, performance test, extrude or be mixed to get briquettes with sludge or sludge water-coal-slurry, and the mud coal ash for manufacturing after burning boiler burns is for low molecule flocculant or for building materials, gas postpones reuse through place.
Summary of the invention
The purpose of this utility model is to provide the burner of a kind of carbonization mud.
In order to realize foregoing invention purpose, the technical solution adopted in the utility model is: the burner of a kind of carbonization mud, described burner is boiler, described boiler is provided with a tail gas heat quantity recovery system, described tail gas heat quantity recovery system includes: a heat-exchanger rig, an air transport device, an airflow pipe, described heat-exchanger rig side connects the exhaust pipe of boiler, and opposite side connects airflow pipe.
In technique scheme, described boiler combustion indoor are provided with at least two carrier chains, and the two ends of carrier chain are respectively provided with feeding port and slag outlet.In concrete technical scheme, described boiler is provided with feeding port and the feeding port of a coal of a carbonization mud;Described boiler combustion indoor are provided with carrier chain on, once carrier chain, and described upper carrier chain is positioned at above described lower carrier chain;One end of described upper carrier chain arranges the feeding port of described coal, and the other end arranges slag outlet;One end of described lower carrier chain arranges the feeding port of described carbonization mud, and the other end arranges slag outlet;The transfer rate of described upper carrier chain and lower carrier chain can individually regulate.
In technique scheme, according to the conditional regulatory coal of coal and the co-fire of dewatered sludge and the valve screw rod of the feeding port of carbonization mud, it is ensured that Boiler Furnace chamber inner combustion is abundant, and temperature is maintained at more than 950 DEG C.
Technical scheme preferably can also increase the swept area of burner hearth.
Due to the application of technique scheme, compared to the prior art, the invention have the advantages that
This utility model uses heat energy recovering device for boiler tail gas, and the hot-air through heat-exchanger rig is delivered into sludge drying mechanism and carbonizing apparatus;Two-layer carrier chain about simultaneously have employed point, carbonization mud is in lower floor, and coal is on upper strata, and uses layering to mend coal (concurrent heating base value) about 6% co-fire;Conditional regulatory coal according to coal and the co-fire of dewatered sludge and the valve screw rod of the feeding port of carbonization mud, it is ensured that Boiler Furnace chamber inner combustion is abundant, and temperature is maintained at more than 950 DEG C.
Accompanying drawing explanation
Fig. 1 is the material turnover route schematic diagram of the burner of carbonization mud described in embodiment.
Fig. 2 is the feeding arrangements route schematic diagram of carbonization mud described in enforcement.
Fig. 3 and Fig. 4 is the local route schematic diagram of the Btu utilization of boiler described in embodiment.
Wherein, 1 is boiler, and 2 is the feed bin of carbonization mud, 3 is the feed bin of coal, and 4 is the transporter of carbonization mud, and 5 is the transporter of coal, 6 is the feed bin of cinder, and 7 is the transporter of cinder, and 8 is feed switching device, 9 dry and transporter for organic carbon, 10 is air-introduced machine, and 11 is heat-exchanger rig, and 12 is the drying unit of organic carbon, 13 is the carbonizing apparatus of mud, and 14 is the drying unit of mud.
Detailed description of the invention
Embodiment 1
The burner of a kind of carbonization mud, described burner is boiler, is provided with at least two carrier chains in the combustor of boiler, and the two ends of carrier chain are respectively provided with feeding port and slag outlet.
Described boiler 1 is provided with feeding port and the feeding port of a coal of a carbonization mud;Described boiler combustion indoor are provided with carrier chain on, once carrier chain, and described upper carrier chain is positioned at above described lower carrier chain;One end of described upper carrier chain arranges the feeding port of described coal, and the other end arranges slag outlet;One end of described lower carrier chain arranges the feeding port of described carbonization mud, and the other end arranges slag outlet;The transfer rate of described upper carrier chain and lower carrier chain can individually regulate.
As shown in Figure 1, 2, the coal of coal feed bin 3 sends to the feeding port to coal by being mutually perpendicular to transporter 5, carbonization mud can be fed from the feed system of two kinds of carbonization mud by feed switching device 8, a kind of is to be fed by transporter 4 from the feed bin 2 of carbonization mud, another kind is to dry from organic carbon and feed transporter 9, and organic carbon is dried and the carbonizing apparatus that upstream is mud of transporter 9.Conditional regulatory coal according to coal and the co-fire of dewatered sludge and the valve screw rod of the feeding port of carbonization mud, it is ensured that Boiler Furnace chamber inner combustion is abundant, and temperature is maintained at more than 950 DEG C.
As shown in Figure 3,4, the hot exhaust gas of boiler is delivered to the side of heat-exchanger rig 11 by air-introduced machine 10, and the air that the opposite side of heat-exchanger rig 11 will heat up is delivered to the carbonizing apparatus 13 of mud, sludge drying device 14, is finally introduced exhaust gas processing device by air-introduced machine;The tail gas of boiler is reduced further by temperature after the drying of organic carbon and transporter 12 after after heat-exchanger rig 11, temperature reduces, and then this tail gas enters exhaust gas processing device.

Claims (4)

1. the burner of a carbonization mud, described burner is boiler, it is characterized in that: described boiler is provided with a tail gas heat quantity recovery system, described tail gas heat quantity recovery system includes: a heat-exchanger rig, an air transport device, an airflow pipe, described heat-exchanger rig side connects the exhaust pipe of boiler, and opposite side connects airflow pipe.
The burner of carbonization mud the most according to claim 1, it is characterised in that described boiler combustion indoor are provided with at least two carrier chains, and the two ends of carrier chain are respectively provided with feeding port and slag outlet.
The burner of carbonization mud the most according to claim 1, it is characterised in that described boiler is provided with feeding port and the feeding port of a coal of a carbonization mud;Described boiler combustion indoor are provided with carrier chain on, once carrier chain, and described upper carrier chain is positioned at above described lower carrier chain;One end of described upper carrier chain arranges the feeding port of described carbonization mud, and the other end arranges slag outlet;One end of described lower carrier chain arranges the feeding port of described coal, and the other end arranges slag outlet.
The burner of carbonization mud the most according to claim 3, it is characterised in that the transfer rate of described upper carrier chain and lower carrier chain can individually regulate.
CN201620008791.7U 2016-01-07 2016-01-07 Burner of carbomorphism mud Active CN205447766U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110002708A (en) * 2019-04-18 2019-07-12 苏州草宝能源科技有限公司 A kind of pyrolyzing sludge dehydration and drying processing burning disposing technique

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110002708A (en) * 2019-04-18 2019-07-12 苏州草宝能源科技有限公司 A kind of pyrolyzing sludge dehydration and drying processing burning disposing technique

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