CN205897157U - A process systems that is used for cement kiln to deal with in coordination hazardous waste - Google Patents
A process systems that is used for cement kiln to deal with in coordination hazardous waste Download PDFInfo
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- CN205897157U CN205897157U CN201620865742.5U CN201620865742U CN205897157U CN 205897157 U CN205897157 U CN 205897157U CN 201620865742 U CN201620865742 U CN 201620865742U CN 205897157 U CN205897157 U CN 205897157U
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model discloses a process systems that is used for cement kiln to deal with in coordination hazardous waste, including the storage of dangerous waste incineration kiln system, solid waste and feed system, waste liquid storage and feed system, oxygen boosting preparation system, the bypass is leaked informaton and waste heat recovery system and cement kiln system. The utility model discloses a hazardous waste is dealt with in coordination to the outer kiln process water stall of kiln, the wastes material burns through the bypass, incorporate the cement kiln after the homogenization again into, the kind of system to the wastes material has been improved, the form, the adaptability of calorific value and composition, reduce in coordination with disposal of wastes to the stable influence of cement kiln system's operating mode, therefore can improve disposal of wastes's ability in coordination by a wide margin, gain better environmental protection and economic benefits, furthermore, the dore furnace is introduced to the high temperature flue gas that produces behind the dangerous waste incineration in the dangerous waste incineration kiln, the high heating value waste liquid directly spouts into the dore furnace, can be for a large amount of fire coal of dore furnace saving.
Description
Technical field
This utility model belongs to the hazardous waste processing technology field in field of environment protection；More particularly, to one kind is used for water
The process system of stall cooperative disposal hazardous waste.
Background technology
Fast development with national social economy；The yield of solid dangerous waste also sharply increases；If not had
Effect processes and will have a strong impact on the sustainable development of social economy.2004；National solid dangerous waste yield is 1,200,000,000 tons；Than
Last year increases by 20%；Wherein annual about 30,000,000 tons of the poisonous and harmful hazardous waste producing of industrial and mining establishment；These hazardous wastes have
Be corrosive, flammable, reactivity, acute toxicity and Leaching；It is the primary pollution source of air, water source, soil.China is every
Year rubbish rate of increase is constantly being increased with more than 10% speed；So numerous waste residue, waste material；Accumulate over a long period not pregnancy ceased
Go out；If disposal can not suitably be dissolved；Severe contamination certainly will be caused to the ecological environment of the whole society；Loss economically is particularly
Huge.Noxious substance in the solid dangerous waste that cannot properly dispose in a large number；Pollute earth's surface and subsoil water；Pollute sky
Gas；Seriously threaten the physical and mental health of its people；If this phenomenon cannot be contained in time；Consequence is very serious；This becomes one
Extremely urgent, problem demanding prompt solution.
Contain this phenomenon for timely；The national discharge to these hazardous waste materials is renovated.A series of phases
The waste treatment device answered also just arises at the historic moment.At present；Adopting cement kiln synergic processing hazardous waste most of enterprise institution more.
Theory and practice both domestic and external has proved that using cement kiln synergic processing garbage be innoxious, minimizing and disposal of resources
The important technology approach of hazardous waste and domestic waste；It is also that cost degradation extensive disposal the important of above-mentioned waste is arranged
Apply.
China utilizes the practice of cement kiln synergic processing hazardous waste as follows:
The nineties in (a) last century；The practice that hazardous waste is put in cement kiln coexistence is initiated in Shanghai Wan An cement plant at home；
B () Beijing cement plant nineteen ninety-five starts the examination burning practice that hazardous waste disposed by cement kiln；The whole nation the has been built in research and development
Article one, the environmental protection demonstration line of common disposal of commercial (dangerous) waste；
C () Huaxin Cement Factory assume responsibility for the domestic demonstrative project putting pesticide garbage first using cement kiln coexistence；2007
That Hubei Province was taken in～2009 years gives up in about more than 1650 interior ton solids containing 5 kinds of high-toxic pesticide wastes such as Bayer 71628, parathion
Thing carries out coprocessing.
But above-mentioned cement kiln synergic processing process is only the productive prospecting from cement plant；It is cement round how
Factory saves raw materials and fuel and reducing energy consumption material consumption is carried out.The toss area of hazardous waste mainly has kiln hood, kiln tail smoke-box, rises cigarette
Road, dore furnace etc..In view of the multiformity of the production requirement of cement kiln and hazardous waste species and complexity；Alternative danger
Waste species is simultaneously few；And careful pretreatment before adding, must be carried out.
Therefore；This collaborative technique promotion effect is unsatisfactory；The advantage of cement kiln synergic processing hazardous waste also cannot
Give full play of；After the adding equipment in a lot of cement plants builds up；Due to hazardous waste species and composition aspect cannot be adapted to
Change；Cannot realize normally adding；Adding equipment is substantially at idle state；Equipment capital cannot normally reclaim.
Utility model content
In order to overcome the deficiencies in the prior art；The purpose of this utility model is to provide one kind to be used for cement kiln synergic processing
The process system of hazardous waste, the flue gas after burning is introduced cement CIU, can strengthen water after cement kiln synergic processing
The adaptability of mud production system, extension is suitable for the hazardous waste species of cement kiln synergic processing.
The purpose of this utility model employs the following technical solutions realization:
A kind of process system for cement kiln synergic processing hazardous waste,
Including dangerous waste incineration kiln system, solid waste storage and feed system, waste liquid storage and feed system, oxygen-enriched
Preparation system, bypass and residual neat recovering system and quality coal in cement kiln systems；
The solid material outfan of solid waste storage and feed system accesses the solidss of dangerous waste incineration kiln system
Material input；
Waste liquid storage and the liquid material outfan liquid material with dangerous waste incineration kiln system respectively of feed system
Input, the liquid material input connection of quality coal in cement kiln systems；
In the gas output end of oxygen-enriched preparation system, quality coal in cement kiln systems, the gas output end of tertiary-air pipe all accesses dangerous giving up
Thing burns the gas input of kiln system；
Waste gas after dangerous waste incineration kiln system burns is passed through in quality coal in cement kiln systems；
The gas output end of quality coal in cement kiln systems introduces bypass and residual neat recovering system, the gas output of quality coal in cement kiln systems
Terminate the gas input into bypass and residual neat recovering system；The gas output end of bypass and residual neat recovering system connects
Enter the gas input of quality coal in cement kiln systems.
Preferably, also include bootstrap system, in quality coal in cement kiln systems, the gas output end of tertiary-air pipe accesses waste heat profit
With the gas input of system, the gas input of the gas output end access dangerous waste incineration kiln system of bootstrap system
End.
Preferably, dangerous waste incineration kiln system includes dangerous waste incineration kiln, waste-liquor burner, drawing-in device, solid
Waste feeding chamber and dragveyer, drawing-in device is arranged on solid waste feeding chamber side and connects with it, and waste-liquor burner is solid
Be connected to dangerous waste incineration kiln and connect with it, solid waste feeding chamber be arranged on dangerous waste incineration kiln side and with danger
Connection in incineration of waste kiln, the dragveyer for incineration residue excretion is fixedly mounted on dangerous waste incineration kiln side.
Preferably, the method for operation of dangerous waste incineration kiln system be reverse-flow operation, lime-ash formula burn.
Preferably, solid waste storage and feed system include solid waste pond, diafiltration liquid pool, diafiltration liquid pump, grab bucket, driving,
Hopper, feeding machine, the first elevator and metering feed bin；Driving, can be along solid waste pond length side across the fixed installation of solid waste pond
To moving freely；Grab bucket can be stretched up and down, is fixed in driving；Feeding machine is used for material and conveys, and is arranged on the lower section of driving；
Hopper is fixedly mounted on feeding machine, and metering feed bin is arranged on below feeding machine one end away from solid waste pond, metering feed bin
Discharging opening is connected with dangerous waste incineration kiln system, and the first hoist installation is in solid waste pond near the side of metering feed bin, diafiltration
Liquid pool is arranged at the side in solid waste pond, and the diafiltration liquid pump extracting percolate is arranged on percolate at the bottom of pond portion.
Preferably, waste liquid storage and feed system include high heating value waste tank, low heat value waste tank, provisional waste liquid
Bucket, the first filter, waste drains pump, the second filter, low heat value waste liquid feeding pump, agitator, the 3rd filter, high heating value waste liquid
Feeding pump and high heating value waste liquid heater, high heating value waste tank, low heat value waste tank are all by the first filter, waste drains pump
Connect with provisional waste liquid barrel, low heat value waste tank is burnt by the second filter, low heat value waste liquid feeding pump and hazardous waste
Firing system connectivity, agitator is arranged on inside high heating value waste tank, and high heating value waste tank passes through the 3rd filter, hyperpyrexia
Value waste liquid feeding pump, high heating value waste liquid heater are connected with dangerous waste incineration kiln system.
Preferably, oxygen-enriched preparation system includes adsorption tower, aerator, bottom of towe switching valve, tower top switching valve, oxygen equilibrium
Tank, vacuum pump and denitrogen acoustic filter, are provided with inlet filter at blower inlet, aerator passes through bottom of towe switching valve and absorption
Tower connects, and multiple adsorption towers are arranged in order, and oxygen equilibrium tank is passed through tower top switching valve and connected with absorption top of tower, denitrogen acoustic filter
Connect with absorption tower bottom by bottom of towe switching valve, vacuum pump, the outlet side of oxygen equilibrium tank and dangerous waste incineration kiln system
Air intake vent connection.
Preferably, bypass and residual neat recovering system include for generate electricity the first waste heat boiler, the first cyclone dust removal
Device, sack cleaner, blower fan, conveying worm, the second elevator and kiln ash feed bin, the gas output end of quality coal in cement kiln systems and the
The air intake vent connection of one cyclone dust extractor, the air outlet of the first cyclone dust extractor is connected with the air intake vent of the first waste heat boiler, cloth
The air intake vent of bag dust collector is connected with the air outlet of the first waste heat boiler, and blower fan accesses the air outlet of sack cleaner, spiral transferring
The outlet sending machine is connected with the entrance of the second elevator, and the outlet of the second elevator is connected with the entrance of kiln ash feed bin, kiln ash material
Storehouse pass through the second elevator, conveying worm respectively with the first waste heat boiler, the first cyclone dust extractor, sack cleaner bottom
Connection.
Preferably, bootstrap system includes the second waste heat boiler, the second cyclone dust extractor and the air-introduced machine for generating electricity,
Second cyclone dust extractor is arranged at the air intake vent of the second waste heat boiler, and air-introduced machine is arranged on the air outlet of the second waste heat boiler
Place.
Preferably, quality coal in cement kiln systems includes cement kiln, dore furnace and desulfurizing tower/chimney, and cement kiln is connected with dore furnace；Water
The tertiary-air pipe of stall is connected with dangerous waste incineration kiln system, and dangerous waste incineration kiln system is connected with dore furnace；Cement kiln
Kiln tail smoke-box connect with bypass and residual neat recovering system, bypass and residual neat recovering system are with desulfurizing tower/chimney even
Logical.
Compared to existing technology；The beneficial effects of the utility model are:
This utility model, with brand-new thinking, is jumped out the pattern of original cement kiln synergic processing hazardous waste, is being followed
While the productive prospecting of cement plant, with brand-new pattern cooperative disposal hazardous waste, do not use in the past directly by hazardous waste
It is added to the mode of cement CIU, but using the outer firer's skill cement kiln synergic processing hazardous waste of kiln, waste is through side
It is incorporated to cement kiln again after road burning, homogenizing, improves the species to waste for the system, the adaptability of form, calorific value and composition, reduce
The impact to quality coal in cement kiln systems stable conditions for the cooperative disposal waste, thus the ability of cooperative disposal waste can be greatly improved, take
Obtain more preferable environmental protection and economic benefit, additionally, the high-temperature flue gas producing after dangerous waste incineration in dangerous waste incineration kiln introduce
Dore furnace, high heating value waste liquid is injected directly into dore furnace, can save substantial amounts of fire coal for dore furnace.
Brief description
Fig. 1 is system schematic of the present utility model.
Fig. 2 is dangerous waste incineration kiln system schematic diagram.
Fig. 3 is solid waste storage and feed system schematic diagram.
Fig. 4 is waste liquid storage and feed system schematic diagram.
Fig. 5 is oxygen-enriched preparation system schematic diagram.
Fig. 6 is bypass and residual neat recovering system schematic diagram.
In figure: 10, dangerous waste incineration kiln system；100th, dangerous waste incineration kiln；101st, waste-liquor burner；102nd, feeding
Device；103rd, solid waste feeding chamber；104th, dragveyer；20th, solid waste storage and feed system；200th, solid waste pond；201、
Diafiltration liquid pool；202nd, it is percolated liquid pump；203rd, grab bucket；204th, drive a vehicle；205th, hopper；206th, feeding machine；207th, the first elevator；
208th, measure feed bin；30th, waste liquid storage and feed system；300a, high heating value waste tank；300b, low heat value waste tank；
301st, provisional waste liquid barrel；302nd, the first filter；303rd, waste drains pump；304th, the second filter；305th, low heat value waste liquid feeding
Pump；306th, agitator；307th, the 3rd filter；308th, high heating value waste liquid feeding pump；309th, high heating value waste liquid heater；40th, rich
Oxygen preparation system；400th, adsorption tower；401st, inlet filter；402nd, aerator；403rd, bottom of towe switching valve；404th, tower top switching
Valve；405th, oxygen equilibrium tank；406th, vacuum pump；407th, denitrogen acoustic filter；50th, bypass and residual neat recovering system；500th,
One waste heat boiler；501st, the first cyclone dust extractor；502nd, sack cleaner；503rd, blower fan；504th, conveying worm；505th, second
Elevator；506th, kiln ash feed bin；60th, bootstrap system；600th, the second waste heat boiler；601st, the second cyclone dust extractor；602、
Air-introduced machine；70th, quality coal in cement kiln systems；700th, cement kiln；701st, dore furnace；702nd, desulfurizing tower/chimney.
Specific embodiment
Below；In conjunction with accompanying drawing and specific embodiment；This utility model is described further:
Process system for cement kiln synergic processing hazardous waste as shown in Figure 1, including dangerous waste incineration kiln system
System 10, solid waste storage and feed system 20, waste liquid storage and feed system 30, oxygen-enriched preparation system 40, bypass and
Residual neat recovering system 50 and quality coal in cement kiln systems 70；
The solid material outfan of solid waste storage and feed system 20 accesses consolidating of dangerous waste incineration kiln system 10
Body material input；
Waste liquid storage and the liquid material outfan liquid with dangerous waste incineration kiln system 10 respectively of feed system 30
Material input, the liquid material input connection of quality coal in cement kiln systems 70；
In the gas output end of oxygen-enriched preparation system 40, quality coal in cement kiln systems 70, the gas output end of tertiary-air pipe all accesses danger
The gas input of dangerous incineration of waste kiln system 10；
Waste gas after dangerous waste incineration kiln system 10 burns is passed through in quality coal in cement kiln systems 70；
The gas output end of quality coal in cement kiln systems 70 introduces bypass and residual neat recovering system 50, the gas of quality coal in cement kiln systems 70
Body outfan accesses the gas input of bypass and residual neat recovering system 50；Bypass and the gas of residual neat recovering system 50
Body outfan accesses the gas input of quality coal in cement kiln systems 70.
Solid waste storage and feed system 20 can take into account solid waste deposit and solid waste automatic transport
Feeding, depositing of solid waste can be realized by various ways, such as solid waste pond, storage casing, centralized stores station etc., and solid gives up
The automatic transport of thing can be realized by the following manner: belt conveyor, plate-type feeding, elevator, conveying worm etc., common
Solid mechanical feed such as automatic transport of coal dust, clay, Ore etc..
Waste liquid storage and feed system 30 can take into account depositing and pipeline feeding of waste liquid, and waste liquid is deposited can be by giving up
Liquid pool, pressure pan, bucket etc. are realized, the common in the following manner of mechanical feed of waste liquid: pumping takes pipeline, helical feed
Machine, pressure transmission etc., existing common device is waste drains pump.
As shown in Fig. 1～2, the solid waste from solid waste storage and feed system 20 is delivered to dangerous waste incineration
In kiln system 10, burning disposal after being dried by the high-temperature flue gas in dangerous waste incineration kiln system 10.
Spray into from waste liquid storage and the low heat value waste liquid of feed system 30, provisional waste liquid and part high heating value waste liquid
In dangerous waste incineration kiln system 10, hot-air combustion-supporting under, moisture all evaporates, and Organic substance is thoroughly destroyed by fire, is formed high
Warm flue gas and inorganic residues.
Spray into burning in quality coal in cement kiln systems 70 from the remainder high heating value waste liquid of waste liquid storage and feed system 30, enter
One step reduces the coal-fired consumption in cement plant.
Oxygen rich gas from oxygen-enriched preparation system 40 is mixed with the hot-air of tertiary-air pipe in quality coal in cement kiln systems 70
Input dangerous waste incineration kiln system 10 afterwards.
The high-temperature flue gas that dangerous waste incineration kiln system 10 produces after burning enter quality coal in cement kiln systems 70, using cement kiln system
Distinctive alkaline environment in system 70, the harmful substance in absorption flue gas, finally it is cleaned rear flue gas and produce with quality coal in cement kiln systems 70
Flue gas qualified discharge together；The incineration residue that dangerous waste incineration kiln system 10 produces after burning is delivered to water after water quench cooling
Raw Material System dispensing in stall system 70, enters quality coal in cement kiln systems 70 with raw material and burns, and forms grog, residue harmful
Composition is melted admittedly in clinker.
Extract the high-temp waste gas input bypass being full of volatile component on a small quantity and waste heat returns from quality coal in cement kiln systems 70
Receipts system 50, carries out sufficient heat exchange, and the volatile component in waste gas is condensate in dust surface, row up to standard after gas removing dust
Put, and collect waste residue kiln ash feeding quality coal in cement kiln systems 70 and recycle, grind cement as mixing material；It is big that heat exchange produces
Calorimetric can be used for generating electricity.
As shown in figure 1, the present embodiment also includes bootstrap system 60, in quality coal in cement kiln systems 70, the gas of tertiary-air pipe is defeated
Go out the gas input terminating into bootstrap system 60, the gas output end of bootstrap system 60 accesses dangerous waste incineration
The gas input of kiln system 10.
In quality coal in cement kiln systems 70, the hot air temperature of tertiary-air pipe is often beyond 1000 DEG C, based on temperature adjustability with
Economic feasibility, one bypass of setting between the tertiary-air pipe in quality coal in cement kiln systems 70 and dangerous waste incineration kiln system 10,
In quality coal in cement kiln systems 70, through bypass input bootstrap system 60, hot-air is in UTILIZATION OF VESIDUAL HEAT IN system for the hot-air of tertiary-air pipe
Mix with the oxygen rich gas from oxygen-enriched preparation system 40 after fully carrying out heat exchange cooling in system 60, input dangerous waste incineration
Kiln system 10.And a large amount of heat energy absorbing in bootstrap system 60 are converted into high-temperature vapor, can be used for generating set and generate electricity.
Bootstrap system 60 greatly strengthen the motility adjusting the hot air temperature entering dangerous waste incineration kiln system 10, enters danger
Dangerous incineration of waste kiln system 10 hot air temperature can flexible between 150 DEG C to 1100 DEG C according to actual needs.
Further, as shown in Fig. 2 dangerous waste incineration kiln system 10 includes dangerous waste incineration kiln 100, waste-liquor burner
101st, drawing-in device 102, solid waste feeding chamber 103 and dragveyer 104, drawing-in device 102 is arranged on solid waste feeding chamber
103 sides simultaneously connect with it, and waste-liquor burner 101 is fixed in dangerous waste incineration kiln 100 and connects with it, solid waste
Feeding chamber 103 is arranged on dangerous waste incineration kiln 100 side and connects, for incineration residue with dangerous waste incineration kiln 100
The dragveyer 104 of excretion is fixedly mounted on dangerous waste incineration kiln 100 side.
Solid waste from solid waste storage and feed system 20 pushes solid waste feeding chamber by drawing-in device 102
103；Fired by waste liquid from waste liquid storage and the low heat value waste liquid of feed system 30, provisional waste liquid and part high heating value waste liquid
Burner 101 sprays into dangerous waste incineration kiln 100；From the oxygen rich gas of oxygen-enriched preparation system 40, mixing is from tertiary-air pipe
Hot-air, enters dangerous waste incineration kiln 100 together.
From waste liquid storage and the low heat value waste liquid of feed system 30, provisional waste liquid and part high heating value waste liquid by giving up
Liquid burner 101 sprays into dangerous waste incineration kiln 100.Low heat value waste liquid, provisional waste liquid and part high heating value waste liquid are in warm
Air combustion-supporting under, moisture all evaporates, and Organic substance is thoroughly destroyed by fire, forms high-temperature flue gas and inorganic residues.
The high-temperature flue gas producing after dangerous waste incineration enter quality coal in cement kiln systems 70 through solid waste feeding chamber 103, utilize
Distinctive alkaline environment in quality coal in cement kiln systems 70, the harmful substance in absorption flue gas, finally it is cleaned rear flue gas with cement kiln 700
Flue gas qualified discharge together.The incineration residue of dangerous waste incineration kiln 100 is discharged by dragveyer 104 after water quench cooling, sends into life
Material system dispensing, enters in quality coal in cement kiln systems 70 with raw material and burns, form grog, the harmful components of residue are melted admittedly in water
In mud grog.
Remaining most of high heating value waste liquid from waste liquid storage and feed system 30 sprays into cement by waste-liquor burner 101
Burn in kiln system 70, replace fired coal combustion, reduce the coal-fired consumption in cement plant in quality coal in cement kiln systems 70 further.
Further, as shown in figure 1, the method for operation of dangerous waste incineration kiln system 10 is reverse-flow operation, lime-ash formula burns
Burn.
The dangerous waste disposal mode that the present embodiment preferably employs is reverse-flow operation, lime-ash formula is burned.Give up from solid
The solid waste of thing storage and feed system 20 feeds from solid waste feeding chamber 103 entrance, goes out with dangerous waste incineration kiln 100
The high-temperature flue gas contact coming, after being dried by high-temperature flue gas, falls into dangerous waste incineration kiln 100.Hazardous waste burns in hazardous waste
In firing 100, rolling is advanced, and inversely goes with gas, constantly contacts with fresh hot air, Organic substance is thoroughly destroyed by fire, moisture
All evaporate, form high-temperature flue gas and inorganic residues.
Further, as shown in figure 3, solid waste storage and feed system 20 include solid waste pond 200, diafiltration liquid pool 201, ooze
Filtrate pump 202, grab bucket 203, driving 204, hopper 205, feeding machine 206, the first elevator 207 and metering feed bin 208；Driving
204 fixedly mount across solid waste pond 200, can move freely along solid waste pond 200 length direction；Grab bucket 203 can be stretched up and down,
It is fixed in driving 204；Feeding machine 206 is used for material and conveys, and is arranged on the lower section of driving 204；Hopper 205 is fixedly mounted on
On feeding machine 206, metering feed bin 208 is arranged on below feeding machine 206 one end away from solid waste pond 200, measures going out of feed bin 208
Material mouth is connected with dangerous waste incineration kiln system 10, and the first elevator 207 is arranged on solid waste pond 200 near metering feed bin 208
Side, diafiltration liquid pool 201 is arranged at the side in solid waste pond 200, and the diafiltration liquid pump 202 extracting percolate is arranged on diafiltration liquid pool
201 bottoms.
Solid waste, leaves in solid waste pond 200 in solid waste pond 200 after compatibility, by grab bucket 203 and driving 204 feeding
In hopper 205, deliver to metering feed bin 208 through feeding machine 206, because metering feed bin 208 bottom is mounted with metering device, work as meter
After in amount feed bin 208, waste reaches constant weight, the valve plate of metering feed bin 208 lower section automatically opens up, and solid waste falls, and enters
Dangerous waste incineration kiln system 10.
Semi-solid (pulpous state or paste) waste and waste in bulk deliver to metering feed bin 208 through the first elevator 207.Metering material
Storehouse 208 bottom is mounted with metering device, after in metering feed bin 208, waste reaches constant weight, the valve of metering feed bin 208 lower section
Plate automatically opens up, and semi-solid (pulpous state or paste) waste and waste in bulk fall, and enters dangerous waste incineration kiln system 10.
The leachate collection that solid waste is formed, in diafiltration liquid pool 201, is pumped to percolate bucket by diafiltration liquid pump 202
Interior, then be transported in waste liquid storage and feed system 30, it is done and disposes further.
The waste gas of solid waste storage and feed system 20 generation passes through existing cement plant existing device grate-cooler and cools down wind
Grate-cooler sent into by machine, enters quality coal in cement kiln systems 70, and the harmful components in waste gas are thoroughly destroyed by fire in cement production process.
Further, as shown in figure 4, waste liquid storage and feed system 30 include high heating value waste tank 300a, low heat value is given up
Liquid storage tank 300b, provisional waste liquid barrel 301, the first filter 302, waste drains pump 303, the second filter 304, low heat value waste liquid are fed
Material pump 305, agitator 306, the 3rd filter 307, high heating value waste liquid feeding pump 308 and high heating value waste liquid heater 309, hyperpyrexia
Value waste tank 300a, low heat value waste tank 300b are all by the first filter 302, waste drains pump 303 and provisional waste liquid barrel
301 connections, low heat value waste tank 300b passes through the second filter 304, low heat value waste liquid feeding pump 305 and dangerous waste incineration
Kiln system 10 connects, and agitator 306 is arranged on inside high heating value waste tank 300a, and high heating value waste tank 300a passes through the 3rd
Filter 307, high heating value waste liquid feeding pump 308, high heating value waste liquid heater 309 are connected with dangerous waste incineration kiln system 10.
Waste liquid is transported to waste liquid tank field by waste liquid tank car, after rapid comparison chemical examination, the difference according to calorific value and the compatibility
Difference, high heating value waste tank 300a specified or low heat value waste liquid are pumped to by the first filter 302 and waste drains pump 303
Storage tank 300b.
Low heat value waste liquid in low heat value waste tank 300b is through the second filter 304 and low heat value waste liquid feeding pump 305
Conveying, enters dangerous waste incineration kiln system 10.
Because high heating value waste liquid is different with the property of low heat value waste liquid, its storage mode and mode of movement are slightly not yet
With.It is mounted with agitator 306 in high heating value waste tank 300a.Agitator 306 is by the hyperpyrexia in high heating value waste tank 300a
Value waste liquid is sufficiently stirred for, and forms homogeneous liquid, and the high heating value waste liquid after homogenizing is fed through the 3rd filter 307 and high heating value waste liquid
Material pump 308 is sent into high heating value waste liquid heater 309 and is heated, and increases its mobility.High heating value waste liquid fraction after heating
It is transported to burning in dangerous waste incineration kiln system 10；Remaining major part is sent to burning, replacement portion in quality coal in cement kiln systems 70
Divide fire coal, reduce the coal-fired consumption in cement plant.High heating value waste liquid heater 309 heats thermal source used and comes from UTILIZATION OF VESIDUAL HEAT IN system
System 60, the condensate water circulatory after heat exchange utilizes.
Determine after rapid comparison chemical examination and be not suitable for into the special waste liquid of tank and come from the tight of social accident
Anxious waste liquid injects in provisional waste liquid barrel 301, is fed directly to hazardous waste by the first filter 302 and waste drains pump 303 and burns
Carry out burn processing in firing system 10.
Further, as shown in figure 5, oxygen-enriched preparation system 40 include adsorption tower 400, aerator 402, bottom of towe switching valve 403,
Tower top switching valve 404, oxygen equilibrium tank 405, vacuum pump 406 and denitrogen acoustic filter 407, aerator 402 air inlet be provided with into
Make a slip of the tongue filter 401, aerator 402 is connected with adsorption tower 400 by bottom of towe switching valve 403, and multiple adsorption towers 400 are arranged in order,
Oxygen equilibrium tank 405 is connected with adsorption tower 400 top by tower top switching valve 404, and denitrogen acoustic filter 407 passes through bottom of towe switching valve
403rd, vacuum pump 406 is connected with adsorption tower 400 bottom, the outlet side of oxygen equilibrium tank 405 and dangerous waste incineration kiln system 10
Air intake vent connection.
After air through inlets filter 401 removes impurity, blasted equipped with multiple Special adsorbent (molecules by aerator 402
Sieve etc.) adsorption tower 400 bottom, most n2、co2、so2、h2O and a small amount of o2It is adsorbed by adsorbent in adsorption tower 400, and
Most of o2Then discharge through tower top switching valve 404 from tower top through bed, form oxygen rich gas, enter oxygen equilibrium tank 405.
After the adsorbent in adsorption tower 400 a certain in oxygen-enriched preparation system 40 reaches dynamic saturation, oxygen-enriched preparation system
40 are automatically stopped and blast air to this adsorption tower 400, direct air to another adsorption tower 400 by bottom of towe switching valve 403, continue
Manufacture oxygen rich gas.After former adsorption tower 400 stops air inlet, oxygen-enriched preparation system 40 automatic desorption process, open vacuum pump
406, by absorption n on the sorbent2、co2、so2、h2O etc. desorbs, and is entered big after denitrogen acoustic filter 407 noise reduction
Gas.
Oxygen rich gas in oxygen equilibrium tank 405 is sent to the gas input of dangerous waste incineration kiln system 10, with
From after the hot-air mixing of tertiary-air pipe, enter dangerous waste incineration kiln system 10.
Further, as shown in fig. 6, bypass and residual neat recovering system 50 include the first waste heat boiler for generating electricity
500th, the first cyclone dust extractor 501, sack cleaner 502, blower fan 503, conveying worm 504, the second elevator 505 and kiln ash
Feed bin 506, the gas output end of quality coal in cement kiln systems 70 is connected with the air intake vent of the first cyclone dust extractor 501, the first cyclone dust removal
The air outlet of device 501 is connected with the air intake vent of the first waste heat boiler 500, the air intake vent of sack cleaner 502 and the first waste heat pot
The air outlet connection of stove 500, blower fan 503 accesses the air outlet of sack cleaner 502, the outlet of conveying worm 504 and second
The entrance connection of elevator 505, the outlet of the second elevator 505 is connected with the entrance of kiln ash feed bin 506, and kiln ash feed bin 506 leads to
Cross the second elevator 505, conveying worm 504 respectively with the first waste heat boiler 500, the first cyclone dust extractor 501, bag-type dust
The bottom connection of device 502.
The bypass gas that kiln tail smoke-box bleed off passage from quality coal in cement kiln systems 70 is extracted out, is mixed with appropriate cold air
Afterwards, enter the first cyclone dust extractor 501 and carry out rough dusting, the flue gas through rough dusting enters the first waste heat boiler 500 to be carried out
Sufficiently heat exchange, temperature is down to 150 DEG C about, then through bagroom dust removal process, delivers to quality coal in cement kiln systems by blower fan 503
70 process, enter air.The heat energy that first waste heat boiler 500 absorbs is converted into high-temperature steam, delivers to generating set, is converted into electricity
Energy.
The kiln ash collected is delivered to kiln ash feed bin 506 through conveying worm 504 and the second elevator 505, then turns
It is transported to quality coal in cement kiln systems 70, grinds cement as mixing material, fully recycle.
Further, bootstrap system 60 include for generate electricity the second waste heat boiler 600, the second cyclone dust extractor 601
With air-introduced machine 602, the second cyclone dust extractor 601 is arranged at the air intake vent of the second waste heat boiler 600, and air-introduced machine 602 is arranged on
The air outlet of the second waste heat boiler 600.
From the hot-air of tertiary-air pipe, after the second cyclone dust extractor 601 rough dusting, enter the second waste heat boiler
600, after sufficient heat exchange, then sent in dangerous waste incineration kiln 100 by air-introduced machine 602.High-temperature hot air is in the second waste heat
Boiler 600 carries out heat exchange, and a large amount of heat energy distributing are absorbed by the second waste heat boiler 600, and the heat energy of absorption is converted into height
Warm steam, delivers to generating set, is converted into electric energy.
Further, quality coal in cement kiln systems 70 includes cement kiln 700, dore furnace 701 and desulfurizing tower/chimney 702, cement kiln 700
Connect with dore furnace 701；The tertiary-air pipe of cement kiln 700 is connected with dangerous waste incineration kiln system 10, dangerous waste incineration kiln
System 10 is connected with dore furnace 701；The kiln tail smoke-box of cement kiln 700 is connected with bypass and residual neat recovering system 50, bypass
Leak informaton and residual neat recovering system 50 is connected with desulfurizing tower/chimney 702.
Dangerous waste incineration kiln 100 and the separate operation of cement kiln 700, are assisted using the outer firer's skill cement kiln 700 of kiln
With disposing hazardous waste, waste is incorporated to cement kiln 700 after bypass burning, homogenizing again.The high temperature producing after dangerous waste incineration
Flue gas enters dore furnace 701, using distinctive alkaline environment in dore furnace 701, adsorbs the harmful substance in flue gas, finally net
After change, flue gas is with cement kiln 700 flue gas qualified discharge.Incineration residue is discharged by dragveyer 104 after water quench cooling, sends into life
Material system dispensing, enters cement kiln 700 with raw material and burns, and forms grog, and the harmful components of residue are melted ripe in cement admittedly
In material.
Spray into dore furnace 701 from remaining most of high heating value waste liquid of waste liquid storage and feed system 30, burning substitutes
Fire coal, reduces the coal-fired consumption in cement plant further.
To one skilled in the art；Can technical scheme as described above and design；Make other various
Corresponding change and deformation；And all these change and deformation all should belong to the protection of this utility model claim
Within the scope of.
Claims (10)
1. a kind of process system for cement kiln synergic processing hazardous waste；It is characterized in that: include dangerous waste incineration kiln
System, solid waste storage and feed system, waste liquid storage and feed system, oxygen-enriched preparation system, bypass and waste heat return
Receipts system and quality coal in cement kiln systems；
The solid material that the solid material outfan of solid waste storage and feed system accesses dangerous waste incineration kiln system is defeated
Enter end；
The liquid material outfan of waste liquid storage and feed system is inputted with the liquid material of dangerous waste incineration kiln system respectively
End, the liquid material input connection of quality coal in cement kiln systems；
In the gas output end of oxygen-enriched preparation system, quality coal in cement kiln systems, the gas output end of tertiary-air pipe all accesses hazardous waste and burns
The gas input of firing system；
Waste gas after dangerous waste incineration kiln system burns is passed through in quality coal in cement kiln systems；
The gas output end of quality coal in cement kiln systems introduces bypass and residual neat recovering system, and the gas output end of quality coal in cement kiln systems connects
Enter the gas input of bypass and residual neat recovering system；The gas output end of bypass and residual neat recovering system accesses water
The gas input of stall system.
2. the process system for cement kiln synergic processing hazardous waste according to claim 1；It is characterized in that: also wrap
Include bootstrap system, in quality coal in cement kiln systems, the gas output end of tertiary-air pipe accesses the gas input of bootstrap system,
The gas output end of bootstrap system accesses the gas input of dangerous waste incineration kiln system.
3. the process system for cement kiln synergic processing hazardous waste according to claim 1；It is characterized in that: dangerous
Incineration of waste kiln system includes dangerous waste incineration kiln, waste-liquor burner, drawing-in device, solid waste feeding chamber and dragveyer,
Drawing-in device is arranged on solid waste feeding chamber side and connects with it, and waste-liquor burner is fixed in dangerous waste incineration kiln simultaneously
Connect with it, solid waste feeding chamber is arranged on dangerous waste incineration kiln side and connects with dangerous waste incineration kiln, use
Dragveyer in incineration residue excretion is fixedly mounted on dangerous waste incineration kiln side.
4. the process system for cement kiln synergic processing hazardous waste according to claim 3；It is characterized in that: dangerous
The method of operation of incineration of waste kiln system is reverse-flow operation, lime-ash formula is burned.
5. the process system for cement kiln synergic processing hazardous waste according to claim 1；It is characterized in that: solid
Waste storage and feed system include solid waste pond, diafiltration liquid pool, diafiltration liquid pump, grab bucket, driving, hopper, feeding machine, first carry
The machine of liter and metering feed bin；Driving, across the fixed installation of solid waste pond, can move freely along solid waste pond length direction；Grab bucket can be gone up
Lower flexible, it is fixed in driving；Feeding machine is used for material and conveys, and is arranged on the lower section of driving；Hopper is fixedly mounted on feeding
On machine, metering feed bin is arranged on below feeding machine one end away from solid waste pond, measures discharging opening and the dangerous waste incineration of feed bin
Kiln system connects, and in solid waste pond near the side of metering feed bin, diafiltration liquid pool is arranged at the one of solid waste pond to the first hoist installation
Side, the diafiltration liquid pump extracting percolate is arranged on percolate at the bottom of pond portion.
6. the process system for cement kiln synergic processing hazardous waste according to claim 1；It is characterized in that: waste liquid
Storage and feed system include high heating value waste tank, low heat value waste tank, provisional waste liquid barrel, the first filter, waste liquid
Pump, the second filter, low heat value waste liquid feeding pump, agitator, the 3rd filter, high heating value waste liquid feeding pump and high heating value waste liquid
Heater, high heating value waste tank, low heat value waste tank are all by the first filter, waste drains pump with provisional waste liquid barrel even
Logical, low heat value waste tank passes through the second filter, low heat value waste liquid feeding pump is connected with dangerous waste incineration kiln system, stirring
Device is arranged on inside high heating value waste tank, and high heating value waste tank passes through the 3rd filter, high heating value waste liquid feeding pump, hyperpyrexia
Value waste liquid heater is connected with dangerous waste incineration kiln system.
7. the process system for cement kiln synergic processing hazardous waste according to claim 1；It is characterized in that: oxygen-enriched
Preparation system includes adsorption tower, aerator, bottom of towe switching valve, tower top switching valve, oxygen equilibrium tank, vacuum pump and denitrogen and eliminates the noise
Device, is provided with inlet filter at blower inlet, aerator is connected with adsorption tower by bottom of towe switching valve, multiple adsorption towers according to
Secondary arrangement, oxygen equilibrium tank is passed through tower top switching valve and is connected with absorption top of tower, and denitrogen acoustic filter passes through bottom of towe switching valve, vacuum
Pump is connected with absorption tower bottom, and the outlet side of oxygen equilibrium tank is connected with the air intake vent of dangerous waste incineration kiln system.
8. the process system for cement kiln synergic processing hazardous waste according to claim 1；It is characterized in that: bypass
Leak informaton and residual neat recovering system include for generate electricity the first waste heat boiler, the first cyclone dust extractor, sack cleaner, blower fan,
Conveying worm, the second elevator and kiln ash feed bin, the inlet air of the gas output end of quality coal in cement kiln systems and the first cyclone dust extractor
Mouthful connection, the air outlet of the first cyclone dust extractor connects with the air intake vent of the first waste heat boiler, the air intake vent of sack cleaner and
The air outlet connection of the first waste heat boiler, blower fan accesses the air outlet of sack cleaner, and the outlet of conveying worm carries with second
The entrance connection of the machine of liter, the outlet of the second elevator is connected with the entrance of kiln ash feed bin, and kiln ash feed bin passes through the second elevator, spiral shell
Rotation conveyer is connected with the bottom of the first waste heat boiler, the first cyclone dust extractor, sack cleaner respectively.
9. the process system for cement kiln synergic processing hazardous waste according to claim 2；It is characterized in that: waste heat
Utilize system include for generate electricity the second waste heat boiler, the second cyclone dust extractor and air-introduced machine, the second cyclone dust extractor setting
At the air intake vent of the second waste heat boiler, air-introduced machine is arranged on the air outlet of the second waste heat boiler.
10. the process system for cement kiln synergic processing hazardous waste according to claim 1；It is characterized in that: water
Stall system includes cement kiln, dore furnace and desulfurizing tower/chimney, and cement kiln is connected with dore furnace；The tertiary-air pipe of cement kiln with
Dangerous waste incineration kiln system connects, and dangerous waste incineration kiln system is connected with dore furnace；The kiln tail smoke-box of cement kiln and bypass
Leak informaton and residual neat recovering system connection, bypass and residual neat recovering system are connected with desulfurizing tower/chimney.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106122980A (en) * | 2016-08-10 | 2016-11-16 | 广州维港环保科技有限公司 | A kind of process system for cement kiln synergic processing hazardous waste |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106122980A (en) * | 2016-08-10 | 2016-11-16 | 广州维港环保科技有限公司 | A kind of process system for cement kiln synergic processing hazardous waste |
| CN106122980B (en) * | 2016-08-10 | 2019-07-09 | 广州维港环保科技有限公司 | A kind of process system for cement kiln synergic processing hazardous waste |
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