CN203628674U - Whole-set hazardous waste incinerator device - Google Patents

Whole-set hazardous waste incinerator device Download PDF

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Publication number
CN203628674U
CN203628674U CN201320403749.1U CN201320403749U CN203628674U CN 203628674 U CN203628674 U CN 203628674U CN 201320403749 U CN201320403749 U CN 201320403749U CN 203628674 U CN203628674 U CN 203628674U
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China
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deacidification
heat boiler
waste
waste heat
waste incinerator
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CN201320403749.1U
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Chinese (zh)
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张国平
刘建华
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上海灿州环境工程有限公司
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Abstract

The utility model relates to a whole-set hazardous waste incinerator device, which comprises a transporting, storing and combining (solid, semi-solid and liquid wastes) system, a crushing system, a feeding system, an incinerating system (including a rotary kiln, a grate and a secondary combustion chamber), a waste heat utilization system, a flue gas chilling deacidification system, an activated charcoal injection system, a dry-process deacidification system, a bag-type dust remover, an active coke purification system, an ash residue and fly ash collection system, a public engineering system (including a process water system, an auxiliary fuel system, a compressed air system and the like), a power distribution system, an auto-control system, an on-line monitoring system and the like. The whole-set hazardous waste incinerator device is more suitable for the incineration of hazardous wastes and medical wastes. By means of the device, all emission indexes are ensured to meet or surpass national standards on the basis that various types of hazardous wastes can be incinerated effectively. Meanwhile, the emission of dioxin-like matters is ensured to meet European Union standards.

Description

A kind of dangerous waste incinerator complexes

Technical field

The utility model relates to a kind of environmental protection, three wastes processing unit field.

Background technology

Dangerous waste and medical waste not only has potentiality and the chronicity of Ordinary solid waste environmental pollution, is harmfulness but also have inflammable, explosive, poisonous, harmful, burn into infection etc., and harm consequence has cumulative bad, hysteresis quality and chronicity.At present existing multiple heat treatment technics can be for the treatment of hazardous waste, China the most generally adopts so far or high temperature incineration method.

Domestic dangerous waste incineration engineering ground zero, with European and American developed countries hazardous Waste Incineration engineerings experience, technique choose with operative norm on have no small gap.China's " hazardous waste centrally disposes engineering construction technical specification " HT/T176-2005 issues and implements, it is the technical specification that industry has rigid constraint power, under standard instructs, successively built up successively province and district district dangerous waste incineration in recent years and centrally disposed engineering, accompanying drawing 3 is shown in the main technological process adopting.

Such technique than the project of burning before process by all means, no matter the way of environmental consequence has had essential difference, become environmental protection project truly.But due to process detail, design level, operation management level, comprise many-sided reason such as scale of investment, environmental protection tests dynamics, all there are a lot of weak points in a lot of projects, cannot reach set and comprehensive environmental protection tests requirement, although some project is gone into operation the several years, cannot pass through environmental protection inspection and acceptance always.These deficiencies are embodied in following aspects:

1) dangerous waste incineration technique adopts rotary kiln and dual firing chamber's combustion mode conventionally, often because discarded object kind changes frequent, cause clean combustion to be difficult to tissue, easily tempering, detonation, leak out, furnace temperature unstable, time of staying fluctuated not, short, slag conglomeration easily coking, over-emitting black exhaust, refractory material service time, the phosphorus content phenomenon such as exceed standard;

2) flue gas treatment effeciency is low, especially discharging Yan gas Zhong bioxin value exceeds standard, owing to affected by clean combustion technology and harmful substance firing efficiency, in addition prevent that the chilling that synthesizes again and the absorption link of activated carbon from not reaching technical requirement, greatly how far dioxin emission value exceedes the emission limit set 0.5TEQng/m of bioxin country 3, with standard 0.1 TEQng/m of European Union 3differ greatly especially.

3) automatic control level is low, and operating environment is poor, and labour intensity is large, simultaneously because the reasons such as tempering and kiln hood string wind easily cause fire and personal safety accident.

4) hazardous waste compatibility is unreasonable, and calorific value is unstable, need to supplement auxiliary fuel, adds many reasons such as equipment failure rate is high, and continuous operating time is short, and therefore integrated operation cost is high; For reducing costs, operator can reduce flue gas again processes the consumption of various medicaments, causes the not up to standard of exhaust emissions.So vicious circle, causes the environmentally hazardous situation of environmental protection project.

Summary of the invention

For solving above technical problem, the utility model provides

A kind of dangerous waste incinerator complexes, comprising: transportation is stored and compatibility system, crushing system, feed system, CIU, bootstrap system, flue gas chilling deacidification system, active carbon spraying system, dry-process deacidification system, sack cleaner, activated coke cleaning system, lime-ash and flying dust gathering system, public engineer system and electric distribution system, robot control system(RCS) and on-line monitoring system;

Wherein, described transportation storage and compatibility system comprise grab bucket crane; Described crushing system comprises that grab bucket crane described in disintegrating machine 7, disintegrating machine stub bar, cracking cabin, pressing mechanism and broken chute is arranged on the top of disintegrating machine;

Wherein, described crushing system comprises disintegrating machine 7, disintegrating machine stub bar, cracking cabin, pressing mechanism and broken chute; Cracking cabin is arranged on the below of disintegrating machine stub bar, and pressing mechanism is positioned at cracking cabin warehouse middle part, and broken chute is in cracking cabin; Described crushing system with transportation store and compatibility system adjacent and be closely arranged in together with;

Wherein, described feed system 9 is mainly made up of feed hopper, chute, hold down gag, pusher, pressure slide plate, hydraulic system and associated seal, and is provided with the mouth that adds of kiln hood dust inlet, waste liquid spray gun opening and useless medicine bottle; Feed hopper is connected with chute, and hold down gag is at the front end of chute, and pusher is after hold down gag before pressure slide plate, and pressure slide plate is positioned at before rotary kiln 10 entrances; Hydraulic system provides the power of hold down gag and pusher motion, makes it execution as requested;

Wherein, described bootstrap system comprises waste heat boiler; The entrance of waste heat boiler 23 is connected with the outlet of dual firing chamber 11 by flue; The water inlet pipe of waste heat boiler 23 is connected by water pipe with comprehensive pond 1, full-automatic demineralized water treatment device 2, soft water water tank 3, oxygen-eliminating device 5; Waste heat boiler 23 is connected by jet chimney with gas-distributing cylinder 6;

Wherein, described flue gas chilling deacidification system comprises quench deacidification tower 24, chilling water tank 4 and alkali liquid tank 17; The gas approach of quench deacidification tower 24 is connected with the outlet of waste heat boiler 23, and chilling water tank 4 is connected by water pipe and waste heat boiler 23, and alkali liquid tank 17 is arranged between chilling water tank 4 and waste heat boiler 23 by water pipe;

Wherein, described active carbon spraying system comprises lime silo 26 and active carbon storehouse 25, and the exhaust pass of quench deacidification tower 24 is connected respectively with the inlet flue duct in lime silo 26 and active carbon storehouse 25, and lime silo 26 and active carbon storehouse 25 are connected mode arranged side by side;

Wherein, described dry-process deacidification system comprises dry process reaction tower 27, and its gas approach is connected with the exhaust pass in lime silo 26 and active carbon storehouse 25;

Wherein, the inlet flue duct of described sack cleaner 28 is connected with the exhaust pass of dry process reaction tower 27;

Wherein, described activated coke cleaning system comprises activated coke smoke eliminator 29, and its gas approach is connected with the exhaust pass of sack cleaner 28;

Wherein, described wet method deacidification system wet scrubbing tower 30 and the chimney 19 of comprising; Wet scrubbing tower 30 is made up of scrubber layer, packing material absorbing layer and demist layer, and its gas approach is connected with the exhaust pass of activated coke smoke eliminator 29, and exhaust pass is connected with chimney 19;

Wherein, described lime-ash and flying dust gathering system comprise mucking machine 21 and ash bag; Mucking machine 21 is positioned at grate furnace 12 belows, and ash bag is positioned at the below of heat boiler 23, quench deacidification tower 24, dry process reaction tower 27, sack cleaner 28, activated coke purifier 29 ash holes;

Wherein, described public engineer system comprises fresh water (FW) system, auxiliary fuel system, compressed air system;

Wherein, described electric distribution system provides Electrical Design Scheme for the supporting motor of CIU process equipment and attached electrical equipment, comprises system, subsidiary engine control and interlock;

Wherein, described robot control system(RCS) adopts PLC control system, is connected with the electric elements that are arranged on everywhere by electric appliance circuits;

Wherein, described online flue gas monitoring system is arranged on chimney, the waste gas index by robot control system(RCS) real time on-line monitoring to the process burning disposal of discharging in atmosphere;

Wherein, CIU is made up of the fire grate 12 of rotary kiln 10 ports of export, dual firing chamber 11, primary air fan 16, the mucking machine 21 of dual firing chamber 11 lower ends, the main burner 13 of dual firing chamber's 11 top and the bottom side arrangement; The kiln hood of rotary kiln 10 is connected with the chute of feed system, and kiln tail place is connected with fire grate 12, and dual firing chamber 11 is connected with rotary kiln 10 by flue.

In said apparatus, described fire grate 12 is reciprocal pusher type.

In said apparatus, described fire grate 12 is arranged to the angle tilting.

In said apparatus, described fire grate 12 adopts high temperature resistant, wear-resistant and corrosion resistance alloy steel products to make.

In said apparatus, described disintegrating machine 7 is rotary shear formula disintegrating machines.

In said apparatus, described rotary kiln 10 adopts VFC.

In said apparatus, described blower fan 16 adopts VFC.

In said apparatus, described waste heat boiler is single drum membrane wall waste heat boiler.

In said apparatus, the discharging opening of described lime silo 26 is installed Starlike valve.

accompanying drawing explanation:

Fig. 1 is process chart:

1, comprehensive pond, 2, demineralized water treatment device, 3, soft water water tank, 4, chilling water tank, 5, oxygen-eliminating device, 6, sub-cylinder, 7, disintegrating machine, 8, grab bucket crane, 9, feed system, 10, rotary kiln, 11, dual firing chamber, 12, grate furnace, 13, burner, 16, primary air fan, 17, alkali liquid tank, 19, chimney, 21, mucking machine, 22, waste liquid tank, 23, waste heat boiler, 24, quench deacidification tower, 25, active carbon storehouse, 26, lime silo, 27, dry process reaction tower, 28, deduster, 29, activated coke device, 30, wet method reaction tower, 31, sedimentation basin, 32, depositing reservoir.

Fig. 2 is the basic flow sheet of dangerous waste incinerator complexes operation.

the specific embodiment:

Below in conjunction with embodiment, the utility model will be further described.

For the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of dangerous waste incinerator complexes that can be more reliable and stable, this device is more adapted to the incineration disposal of dangerous waste and medical waste, efficiently destroying by fire on the basis of polytype hazardous waste, can guarantee that every discharge index all reaches or exceedes national standard, the discharge of Qie dioxins materials can reach European Union's standard.

In order to realize foregoing invention object, the technical program realizes in the following manner:

Dangerous waste incinerator complexes in the utility model are made up of multiple components of system as directed, by the good linking work of each system, reach the normal problem occurring in conventional dangerous waste incineration device that solves, and guarantee efficiency and the effect of burning disposal.

1) transportation is stored and compatibility

Receive the hazardous waste shipping from the external world and classify and store after test, solid-state hazardous waste in bulk, packed solid waste directly unload to danger useless storage area storage or change into barreled after being transported to disposal center by transport vehicle; Barreled refuse leaves special hazardous waste in stores warehouse; Waste liquid is transported to behind disposal center, is delivered to corresponding waste liquid tank 22 stores by filter and unloading pump.

Enter stove hazardous waste and want first carry out compatibility in the useless storage area of danger, compatibility need to take into full account the compatibility of hazardous waste, and the pollutant component such as homogenizing calorific value and moisture and sulphur, chlorine.Barreled hazardous waste and bulk hazardous waste will drop in disintegrating machine 7 broken by grab bucket crane 8, hazardous waste after fragmentation and various bulk solid hazardous waste are uniformly mixed by grab bucket crane 8, part waste liquid also can spray into as required storage area and participate in hybrid combination, and grabs in incinerator.

This can be controlled at the calorific value of hazardous waste in a suitable scope by rational compatibility program, thereby guarantee into the calorific value of stove hazardous waste and the content of harmful components (as Cl, S, F etc.) basicly stablely, be beneficial to stably burning disposal and gas cleaning processing.

2) crushing system

Described crushing system comprises the parts such as disintegrating machine stub bar, cracking cabin, pressing mechanism, disintegrating machine 7 and broken chute.Crushing system is generally selected rotary shear formula disintegrating machine, and disintegrating machine is by shearing, push and tear next broken rubbish.Can shear sanitary waste, comprise: timber, stationery, block, dope and the material with mental package (as diesel bucket etc.), be widely used technology maturation abroad.The disintegrating machine of break process by to(for) most solid material, not only can material hole will be sent into after the hazardous waste fragmentation of barreled, and avoided barreled refuse to be difficult to dump the problem that cannot process to material hole, guarantee the security of worker's operation, disintegrating machine can be processed the hazardous waste of various forms and kind simultaneously, play the big or small object with being convenient to compatibility mixing of homogenizing material, for reducing, charging aperture stops up, stablizes inner operating, raising firing efficiency has very large benefit.Hazardous waste centrally disposes less use in project at home.

3) feed system

Feed system 9 in the utility model is a kind of improved hazardous waste feeding system device, and this feed system 9 can meet the charging requirement of polytype material, and can guarantee to set up good material envelope, is conducive to guarantee the stable of burning process.This feed system 9 is mainly made up of feed hopper, chute, hold down gag, pusher, pressure slide plate, hydraulic system and associated seal, and be provided with kiln hood dust inlet, increased waste liquid spray gun opening and useless medicine bottle add the facilities such as mouth, guarantee all kinds of waste gas, waste liquid and solid dangerous waste incineration disposal simultaneously.

Hazardous waste drops into feed hopper by grab bucket crane 8 by hazardous waste good compatibility, enters feed arrangement by chute, and hold down gag compresses material from top to bottom, and pusher is axially advanced simultaneously, material is compressed and advance to rotary kiln 10 porch.In feed system 9, comprise pressure slide plate, in the time that pusher compresses material sufficient density, pressure slide plate is opened automatically, and material can enter rotary kiln 10 according to designing requirement at regular time and quantity by charging aperture.On kiln hood panel, except normal solid dangerous waste charging aperture, top is also provided with waste liquid spray gun opening, and waste liquid spray gun can be installed as required, guarantees liquid hazardous waste to be sprayed into kiln hood after atomization.On feed arrangement, be separately provided with solvent slop bottle charging aperture, adopt two-layer dividing plate feeding manner to add solvent slop bottle and enter rotary kiln 10, increase the kind of material handling.

4) CIU

The utility model has increased fire grate at rotary kiln 10 ports of export on the basis of traditional dangerous waste incineration technique, adopt the burning process of rotary kiln 10+ fire grate 12+ dual firing chamber 11, rotary kiln 10 selects following current lime-ash formula to burn form, and fire grate 12 is selected reciprocal pusher type.The design of this kind of burning process takes into full account " 3T ", excess air system etc. and burns key element, has well solved the problems such as the low and easy coking of hazardous waste burn system firing efficiency.Not only guarantee that emission meets national emission request, can effectively realize the discharge of low nitrogen burning control burning NOx simultaneously, and the generation of Dui bioxin has extraordinary control action.

Rotary kiln 10 kiln hoods are provided with burner 13, waste liquid spray gun and primary air fan 16, along with gradient and the rotating speed of rotary kiln, waste material ceaselessly rotates rolling and moves limit toward kiln trailing edge and burn in kiln, fully mix with a wind, be dried rapidly and catch fire gasification and oxygen debt burning, waste material relies on the calorific value burning of self, until basic after-flame, or fall on fire grate and burn away, the flue gas (~ 900 ℃) that in kiln, dangerous waste incineration produces enters dual firing chamber 11.

Rotary kiln 10 adopts the seal form of the good kiln hood of sealing and the hard and soft combination of kiln tail, and primary air fan 16 adopts VFC, controls by wind being supplied with effectively control to reach the necessary share of burning in kiln.Rotary kiln 10 adopts VFC, burns situation according to material in kiln, adjusts in time rotary kiln 10 rotating speeds, accelerates or weaken the upset of material in kiln and the combination with oxygen.

The unburnt solid waste of part and the part slag of after-flame in rotary kiln 10, drop down onto fire grate 12 from rotary kiln afterbody, through reciprocating motion and the stirring of fire grate 12 and will burn away after bulk refuse breaking until after-flame, the flue gas producing enters dual firing chamber 11, the slag of after-flame relies on gravity to drop down onto the mucking machine 21 with water seal, and after mucking machine 21 wet types are slagged tap, deliver to the landfill yard fortune of slag waggon toward oneself, do not produce secondary pollution.

Fire grate device 12 is made up of moving grate, fixed grate, fire grate housing, billy gate, support sliding axle, push rod, ash bucket etc.Fire grate 12 adopts high temperature resistant, wear-resistant and corrosion resistance alloy steel material to make, fire grate 12 is furnished with the inclination of certain angle, and be equipped with hydraulic transmission, and hazardous waste or slag can be moved back and forth on fire grate 12, make the abundant combination of material and oxygen until after-flame.The shape of fire grate 12 can be avoided the accumulation of 12 foreign matters of fire grate, fire grate 12 has higher intensity and good cooling performance, the gentle circulation of air draft of fire grate 12 is smooth, fire grate wind on the one hand can cooling fire grate, burning provides oxygen on the other hand, guarantee that fire grate bar surface has enough oxygen, fully burns hazardous waste and slag.

Dual firing chamber 11 is as the facility that rubbish is carried out to second-time burning, and its effect is the further burning disposal of gas that rotary kiln is produced, and compares with single rotary kiln 10, and the completeness that the flue gas producing in material rotary kiln 10 is burned has again obtained reinforcement.For this reason, for different hazardous waste kinds, in national standard strict regulations burn the necessary temperature value reaching (process hazardous waste be not less than 1100 ℃), dual firing chamber 12 can be regarded as another the huge heat storage continuing outside rotary kiln, and be equipped with the effect of auxiliary equipment (as burner 13, combustion air, tangent air inlet etc.), imperfect combustion fuel gas is burnt away rapidly and reach the ignition temperature of regulation, the burn needed time of staying and turbulivity.

In order to make dioxin-like chemical be able to thorough removal, in national standard, clearly stipulate that the time of staying of flue gas is not less than 2 seconds within the scope of set point of temperature, when completing, this technique can be up to state standards completely.In dual firing chamber 11, arrange that burner 13, Secondary Air distribute mouth and temperature, the pressure-measuring-point etc. relevant to control.Dual firing chamber 11 is vertical cylinder burner hearth, lower side access rotary kiln enters burning gases, kiln tail sealing device adopts the sealing of hard and soft combination, discharge flue gas by top exhaust opening, dual firing chamber 11 can guarantee that flue gas is not less than 2 seconds in the 1100 above time of staying of degree, to improve firing efficiency, thoroughly destroy dioxins materials by fire.

Dual firing chamber top is provided with dump chimney, in particular cases can automatically open have a power failure or superpressure etc., guarantees the safety of system.

5) bootstrap system

The flue gas producing through CIU enters follow-up bootstrap system.What in the utility model, select is single drum membrane wall waste heat boiler 23 of independent research, it is the main heat convection face of not establishing that waste heat boiler 23 great advantage of this kind of pattern adopt radiation heat transfer exactly, in boiler body and flue, there is not flue dust clogging, little without deashing and flue gas resistance, can long-time continuous operation.

Flue gas is at the spatial flow of membrane wall composition, and boiler water is in pipe.Near the flue gas parallel baffled of membrane wall, flue-gas temperature is low, and the high-temperature flue gas of passage intermediate flow conducts heat to low-temperature flue gas, and radiation heat transfer is main, and heat convection is a small amount of, and heat exchange efficiency is lower, and cost is higher.This kind of structure boiler, is unique without blowing out deashing, the longest waste heat boiler of continuous operating time, is difficult for occurring low temperature or high temperature corrosion for hazardous waste burn system.

Boiler water-filling flow process: the water in comprehensive pond 1 enters full-automatic demineralized water treatment device 2, uses the water hardness and reaches " Industrial Boiler water quality " (GB1576-2001) standard; Demineralized water treatment device 2 water outlets enter soft water water tank 3 and store, and supply water to oxygen-eliminating device 5 through soft water water pump.Rely on the chain of oxygen-eliminating device 5 liquid levels and soft water water pump, realize the fully automatic operation of moisturizing.

Waste heat boiler 23 is provided with gas-distributing cylinder 6, realizes the uniformity of steam distribution, and waste heat boiler is established regular unloading container, periodical blowdown simultaneously.

6) flue gas chilling deacidification system

In the utility model, the export ~ flue gas of 500 ℃ of waste heat boiler 23 enters quench deacidification tower 24, in the integrated quench deacidification tower 24 of independent research, spray gun by two-fluid is to water spray in tower, high-temperature flue gas directly contacts with atomizing spray water smoke, flue gas can contact carburation by evaporation with water smoke within 1 second, by heat exchange, heat release is down to below 200 ℃ by 500 ℃ rapidly, and this process can effectively be avoided the synthetic again of dioxins materials.By detecting flow and the pressure of temperature, compressed air and the spraying liquid of flue gas in quench tower, control the fluid flow of feed spray gun, guarantee outlet temperature stable of tower.Water in quench deacidification tower 24 is from chilling water tank 4, when acid gas in flue gas concentration is higher, can be simultaneously sprays into alkali lye to mixing in tower, carries out acid-base reaction with acid other, plays the effect of depickling.The concentration of alkali lye and flow and online flue gas detecting system interlocking, not waste.

7) active carbon spraying system and dry-process deacidification system

In the utility model, be provided with dry-process deacidification system.In system, be provided with lime silo 26 and active carbon storehouse 25.Before dry process reaction tower 27 gas approach, add calcium hydroxide.Calcium hydroxide is sent in flue by conveying fan, and calcium hydroxide bin discharge port external is installed Starlike valve, and rotating speed VFC to Starlike valve, regulate the amount of the calcium hydroxide that enters flue, calcium hydroxide carries out acid-base neutralization with the sour gas in flue gas and reacts in dry process reaction tower, plays the effect of depickling.In flue, by active carbon conveying fan, activated carbon granule is sent into flue simultaneously.Activated carbon is that a class has the adsorbent compared with bigger serface, can effectively adsorb the pollutant of dioxin in flue gas and other heavy metal class.In flue gas, spray into activated carbon granule, then the method trapping with sack cleaner, can remove most of dioxin and heavy metal class material in flue gas.

8) sack cleaner

The flue dust that burning produces, the product of sour gas neutralization reaction, the calcium hydroxide particle that participation is reacted etc. has formed the solid particle in flue gas.In the utility model, removing the equipment of solia particle in flue gas is sack cleaner 28.Sack cleaner 28 has very high efficiency of dust collection, can reach 99.9%, and the dust content of Purge gas will be less than 10mg/Nm 3.Particularly can effectively trap for submicron particle.This feature is removed highly beneficial for the particulate of heavy metal.More outstanding for the effect of removing bioxin in addition.In incineration flue gas, bioxin has synthetic again possibility under certain conditions.Before sack cleaner, add active carbon, to adsorb the material such as bioxin, heavy metal in flue gas.In sack cleaner, trapped being adsorbed on bioxin on submicron particle, control to the full extent the discharge of bioxin.In addition, flue gas is not participated in combined reaction during by filter bag in addition lime particle in flue gas can stick to and on filter bag, form muffin, in the time that follow-up flue gas passes filter bag, in flue gas, pernicious gas will obtain secondary response purification, improve total purification efficiency, reduce the consumption of lime.

Sack cleaner key equipment is filter bag material, and the utility model adopts PTFE coated filter material at sack cleaner.Make it smoke gas treatment, chemical attack, water-fast, acid and alkali-resistance, stop up and the disadvantage such as break is improved greatly.

9) activated coke cleaning system

In processing for danger waste burning, easily produce in bioxin and heavy metal class material, the activated coke smoke eliminator 29 of the utility model by independent research can targeted, high efficiency removal flue gas in bioxin and heavy metal class material, its relevant discharge index can well meet national standard.This device also has certain desulfurization, out of stock and de-dirt effect simultaneously, can further improve gas cleaning ability, and a whole set of smoke processing system integration capability is reached advanced world standards.

10) wet method deacidification system

The flue gas that has passed through activated coke purifier 29 in the utility model enters wet scrubbing tower 30, and wet scrubbing tower 30 is made up of scrubber layer, packing material absorbing layer and demist layer.In special, by the shower nozzle with nozzle, circulation fluid expanded and spreads to whole tower section, guarantee that all gas can both fully contact with circulation fluid, plays good deacidification effect.Circulation fluid after spray is disposed to sedimentation basin 31) and depositing reservoir 32 after, can circulate and enter wet scrubbing tower 30.After the flue gas of wet scrubbing tower, pass through chimney 19 qualified discharges to atmosphere.

11) lime-ash and flying dust gathering system

Burn the lime-ash producing and discharge by mucking machine 21, outward transport after collecting.The devices such as waste heat boiler 23, quench deacidification tower 24, dry process reaction tower 27, sack cleaner 28, activated coke purifier 29 are equipped with ash hole, and the flying dust producing in device is collected by the ash bag that is arranged on ash bucket below.After ash bag is full, deliver to grey storehouse, regularly deliver on transport vehicle and transport outward.The flying dust of wherein collecting for sack cleaner need to be delivered to hazardous waste landfill landfill disposal.

12) public engineer system

In the utility model, consider the required all kinds of public engineer systems of incinerator, comprise fresh water (FW) system, auxiliary fuel system, compressed air system etc., according to actual conditions setting.

13) electric distribution system

The utility model is meeting under the actual external condition of this engineering (Meteorological Elements in China, electrical system condition etc.), and follows existing national regulation and standard, meets to greatest extent burning process requirement.Provide Electrical Design Scheme for the supporting motor of CIU process equipment and attached electrical equipment, comprise system, subsidiary engine control and interlock etc.System is except meeting process system requirement, if control and central controlled two places control mode on the spot, and necessary parameter is uploaded to host computer active station, upload parameter and comprise 15KW and above motor current, the frequency of speed control device, equipment run signal, fault-signal, and report to the police chain, switch positions and valve location etc.Host computer active station can also be accepted electric degree parameter and other call parameter of outside distribution system.

14) robot control system(RCS)

In the utility model, the design and equipment of control system covers the each unit of whole CIU, and design meets the automatic adjusting requirement of whole system, and assurance system is operation with security and stability under various operating modes, and guarantees that burning reaches requirement.The monitoring of incineration equipment system adopts PLC control system with controlling, and has and the communication function of full factory data acquisition management system, and the operation monitoring of system completes in control room.Setting is independent of the emergency stopping system of control system, emergency stopping system can be in control room and device context control respectively.The instrument of supplying and control appliance selected technology advanced person's the universal product, meets relative national standards, does not adopt obsolete product, and considers hommization operation to greatest extent, availability, reliability, controllability and maintenanceability.Integral self-control level is on the leading domestic level.

15) online flue gas monitoring system

The utility model arranges online flue gas monitoring system on chimney, and real time on-line monitoring, to the waste gas index of the process burning disposal of discharging in atmosphere, is HCl, flue dust, SO 2, NOX, CO, O 2deng (pressing the definite detected parameters of national regulation carries out).The data of surveying can enter central control system, and are uploaded to Environmental Protection Agency according to administration request.

cIU implementation result

(1) security of system is high, and not tempering, string wind, without fire and personal safety accident potential.

(2) combustion efficiency is stable, and hazardous Waste Incineration is thorough, and slag heat is cut down according to the circumstance rate lower than 5% national standard.

(3) system stability is reliable, and operation can exceed 300 days/year continuously.

(4) do not drop into auxiliary fuel combustion-supporting in the situation that, dual firing chamber's temperature exceedes 1100 ℃ and burn and exceed 2s, generally at 1150 ~ 1200 ℃, is highly advantageous to and thoroughly controls bioxin material and guarantee to burn effect stability.

(5) fume emission is well below GB, and wherein dioxins materials discharge can be lower than 0.1 TEQ ng/m 3, well below GB 0.5 TEQ ng/m 3requirement, reach European Union's standard.

Full-automatic operation, mechanical level is high, and man-machine interface is comfortable, and labor intensive is low.

Claims (9)

1. dangerous waste incinerator complexes, comprising: transportation is stored and compatibility system, crushing system, feed system, CIU, bootstrap system, flue gas chilling deacidification system, active carbon spraying system, dry-process deacidification system, sack cleaner, activated coke cleaning system, lime-ash and flying dust gathering system, public engineer system and electric distribution system, robot control system(RCS) and on-line monitoring system;
Wherein, described transportation storage and compatibility system comprise grab bucket crane; Described crushing system comprises that grab bucket crane described in disintegrating machine (7), disintegrating machine stub bar, cracking cabin, pressing mechanism and broken chute is arranged on the top of disintegrating machine;
Wherein, described crushing system comprises disintegrating machine (7), disintegrating machine stub bar, cracking cabin, pressing mechanism and broken chute; Cracking cabin is arranged on the below of disintegrating machine stub bar, and pressing mechanism is positioned at cracking cabin warehouse middle part, and broken chute is in cracking cabin; Described crushing system with transportation store and compatibility system adjacent and be closely arranged in together with;
Wherein, described feed system (9) is mainly made up of feed hopper, chute, hold down gag, pusher, pressure slide plate, hydraulic system and associated seal, and is provided with the mouth that adds of kiln hood dust inlet, waste liquid spray gun opening and useless medicine bottle; Feed hopper is connected with chute, and hold down gag is at the front end of chute, and pusher is after hold down gag before pressure slide plate, and pressure slide plate is positioned at before rotary kiln (10) entrance; Hydraulic system provides the power of hold down gag and pusher motion, makes it execution as requested;
Wherein, described bootstrap system comprises waste heat boiler; The entrance of waste heat boiler (23) is connected with the outlet of dual firing chamber (11) by flue; The water inlet pipe of waste heat boiler (23) is connected by water pipe with comprehensive pond (1), full-automatic demineralized water treatment device (2), soft water water tank (3), oxygen-eliminating device (5); Waste heat boiler (23) is connected by jet chimney with gas-distributing cylinder (6);
Wherein, described flue gas chilling deacidification system comprises quench deacidification tower (24), chilling water tank (4) and alkali liquid tank (17); The gas approach of quench deacidification tower (24) is connected with the outlet of waste heat boiler (23), and chilling water tank (4) is connected by water pipe and waste heat boiler (23), and alkali liquid tank (17) is arranged between chilling water tank (4) and waste heat boiler (23) by water pipe;
Wherein, described active carbon spraying system comprises lime silo (26) and active carbon storehouse (25), the exhaust pass of quench deacidification tower (24) is connected respectively with the inlet flue duct of lime silo (26) and active carbon storehouse (25), and lime silo (26) and active carbon storehouse (25) are connected mode arranged side by side;
Wherein, described dry-process deacidification system comprises dry process reaction tower (27), and its gas approach is connected with the exhaust pass of lime silo (26) and active carbon storehouse (25);
Wherein, the inlet flue duct of described sack cleaner (28) is connected with the exhaust pass of dry process reaction tower (27);
Wherein, described activated coke cleaning system comprises activated coke smoke eliminator (29), and its gas approach is connected with the exhaust pass of sack cleaner (28);
Wherein, described wet method deacidification system wet scrubbing tower (30) and the chimney (19) of comprising; Wet scrubbing tower (30) is made up of scrubber layer, packing material absorbing layer and demist layer, and its gas approach is connected with the exhaust pass of activated coke smoke eliminator (29), and exhaust pass is connected with chimney (19);
Wherein, described lime-ash and flying dust gathering system comprise mucking machine (21) and ash bag; Mucking machine (21) is positioned at grate furnace (12) below, and ash bag is positioned at the below of heat boiler (23), quench deacidification tower (24), dry process reaction tower (27), sack cleaner (28), activated coke purifier (29) ash hole;
Wherein, described public engineer system comprises fresh water (FW) system, auxiliary fuel system, compressed air system;
Wherein, described electric distribution system provides Electrical Design Scheme for the supporting motor of CIU process equipment and attached electrical equipment, comprises system, subsidiary engine control and interlock;
Wherein, described robot control system(RCS) adopts PLC control system, is connected with the electric elements that are arranged on everywhere by electric appliance circuits;
Wherein, described online flue gas monitoring system is arranged on chimney, the waste gas index by robot control system(RCS) real time on-line monitoring to the process burning disposal of discharging in atmosphere;
It is characterized in that CIU is made up of the fire grate (12) of rotary kiln (10) port of export, dual firing chamber (11), primary air fan (16), the mucking machine (21) of dual firing chamber (11) lower end, the main burner (13) of dual firing chamber (11) top and the bottom side arrangement; The kiln hood of rotary kiln (10) is connected with the chute of feed system, and kiln tail place is connected with fire grate (12), and dual firing chamber (11) is connected with rotary kiln (10) by flue.
2. dangerous waste incinerator complexes as claimed in claim 1, is characterized in that: fire grate (12) is reciprocal pusher type.
3. dangerous waste incinerator complexes as claimed in claim 1, is characterized in that: fire grate (12) is arranged to the angle tilting.
4. dangerous waste incinerator complexes as claimed in claim 1, is characterized in that: fire grate (12) adopts high temperature resistant, wear-resistant and corrosion resistance alloy steel products to make.
5. dangerous waste incinerator complexes as claimed in claim 1, is characterized in that: disintegrating machine (7) is rotary shear formula disintegrating machine.
6. dangerous waste incinerator complexes as claimed in claim 1, is characterized in that: rotary kiln (10) adopts VFC.
7. dangerous waste incinerator complexes as claimed in claim 1, is characterized in that: blower fan (16) adopts VFC.
8. dangerous waste incinerator complexes as claimed in claim 1, is characterized in that: waste heat boiler is single drum membrane wall waste heat boiler.
9. dangerous waste incinerator complexes as claimed in claim 1, is characterized in that: the discharging opening of lime silo (26) is installed Starlike valve.
CN201320403749.1U 2013-07-08 2013-07-08 Whole-set hazardous waste incinerator device CN203628674U (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114961A (en) * 2015-09-29 2015-12-02 江苏鼎范环保服务有限公司 Method and heat recovery system for recovering and recycling waste paint bucket
CN105864799A (en) * 2016-05-27 2016-08-17 上海第升环保科技有限公司 Pyrolysis incineration waste heat recycling device
CN106016273A (en) * 2016-05-24 2016-10-12 欧尔东(朝阳)环保设备有限公司 Plasma reaction system for treating hazardous wastes and working method of plasma reaction system
CN106678833A (en) * 2015-11-06 2017-05-17 江苏大信环境科技有限公司 Semi-solid-state hazardous waste incineration treatment device
CN107023838A (en) * 2016-02-02 2017-08-08 彭海涛 Smokeless zero malicious dangerous waste burning processing system
CN107120660A (en) * 2017-04-21 2017-09-01 天津大学 A kind of domestic garbage pyrolysis incinerator flue gas purification system
CN107812442A (en) * 2017-08-25 2018-03-20 兰州凯特环境技术工程有限公司 A kind of device and its technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique
CN109442436A (en) * 2018-10-16 2019-03-08 常熟重型机械制造有限公司 A kind of low heat value organic waste liquid burning processing system and method

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105114961A (en) * 2015-09-29 2015-12-02 江苏鼎范环保服务有限公司 Method and heat recovery system for recovering and recycling waste paint bucket
CN105114961B (en) * 2015-09-29 2019-02-12 江苏鼎范环保服务有限公司 A kind of method and its heat recovery system that the recovery processing of waste oil paint can recycles
CN106678833A (en) * 2015-11-06 2017-05-17 江苏大信环境科技有限公司 Semi-solid-state hazardous waste incineration treatment device
CN107023838A (en) * 2016-02-02 2017-08-08 彭海涛 Smokeless zero malicious dangerous waste burning processing system
CN106016273B (en) * 2016-05-24 2018-02-02 欧尔东(朝阳)环保设备有限公司 Handle the plasma reaction system and its method of work of hazardous waste
CN106016273A (en) * 2016-05-24 2016-10-12 欧尔东(朝阳)环保设备有限公司 Plasma reaction system for treating hazardous wastes and working method of plasma reaction system
CN105864799A (en) * 2016-05-27 2016-08-17 上海第升环保科技有限公司 Pyrolysis incineration waste heat recycling device
CN107120660A (en) * 2017-04-21 2017-09-01 天津大学 A kind of domestic garbage pyrolysis incinerator flue gas purification system
CN107812442A (en) * 2017-08-25 2018-03-20 兰州凯特环境技术工程有限公司 A kind of device and its technological process that dioxin in incineration smoke is removed using moment whirlwind chilling technique
CN109442436A (en) * 2018-10-16 2019-03-08 常熟重型机械制造有限公司 A kind of low heat value organic waste liquid burning processing system and method

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