CN104344408A - Salt-containing waste liquid combustion and heat energy recycling system and process - Google Patents

Salt-containing waste liquid combustion and heat energy recycling system and process Download PDF

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Publication number
CN104344408A
CN104344408A CN201410611267.4A CN201410611267A CN104344408A CN 104344408 A CN104344408 A CN 104344408A CN 201410611267 A CN201410611267 A CN 201410611267A CN 104344408 A CN104344408 A CN 104344408A
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flue gas
water
burning
gas
salt
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CN201410611267.4A
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CN104344408B (en
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王志军
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YIXING ZHIBO ENVIRONMENT EQUIPMENT Co Ltd
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YIXING ZHIBO ENVIRONMENT EQUIPMENT Co Ltd
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/04Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste liquors, e.g. sulfite liquors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/02Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
    • F23J15/022Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23JREMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES 
    • F23J15/00Arrangements of devices for treating smoke or fumes
    • F23J15/06Arrangements of devices for treating smoke or fumes of coolers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23LSUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L15/00Heating of air supplied for combustion
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/34Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery

Abstract

The invention discloses a salt-containing waste liquid combustion and heat energy recycling system which comprises a high-pressure atomization device, a primary combustion chamber, a labyrinth deposition chamber, a secondary combustion chamber, a water-cooling type cooling dust collector, a waste heat boiler and a tail gas purification device which are connected in sequence, wherein the labyrinth deposition chamber comprises a shell, a fume inlet and a fume outlet; a plurality of baffles are arranged vertically between the fume inlet and the fume outlet of the shell; the baffles are arranged in a cross manner, so that fume can pass through along a labyrinth curved route. Compared with the prior art, the salt-containing waste liquid combustion and heat energy recycling system is relatively safe, sufficient and thorough in recycling salt before the waste heat is recycled, prevents deposition of the salt in the waste heat boiler or a pipeline, effectively improves the waste heat recycling efficiency and ensures long-lasting normal operation of equipment.

Description

Salt bearing liquid wastes burns hold concurrently heat reclaiming system and technique
Technical field
The present invention relates to a kind of burning disposal and heat reclaiming system of chemical waste liquid, particularly high saliferous containing the liquid waste incineration process of alkali lye and the recovery CIU of afterheat steam and technique.
Background technology
The kind of waste water that chemical process produces is a lot, each waste water quality composition, concentration are different because of raw material and technique, existing raw material, byproduct, degradation product, also has raw and auxiliary material, define a large amount of poisonous and harmful high-concentration waste liquids etc., Pollutants in Wastewater complicated component, colourity is high, majority has intense stimulus smell, is one of the most unmanageable current waste water.
A lot of chemical waste liquid change of water quality is large.Because waste component, concentration are different, and discharge irregular, cause wastewater discharge, change of water quality very large and irregularly to follow; As adopted method of chemical treatment and biochemistry treatment waste water, because factory's part waste strength, change of water quality are large, technique cannot stable operation, and the generation of a large amount of mud after sewage disposal brings again new pollution sources.
Chemical enterprise emission water quality becomes increasingly complex and restive; people's environmental protection consciousness is more and more stronger simultaneously; new environmental legislation is constantly put into effect; require also more and more higher for discharge of wastewater; these all impel manufacturing enterprise constantly to seek new technology, the new technology of wastewater treatment, are familiar with and understand domestic and international technique, analyzing its pros and cons dialectically; select the high-concentration waste water burning disposal new technology be suitable for, this has great significance to enterprise governance.
Summary of the invention
For solving the problem, a kind of salt bearing liquid wastes is the object of the present invention is to provide to burn heat reclaiming system of holding concurrently, this system is by carrying out twice burning to the salt bearing liquid wastes of atomization, to the flue gas after burning through waste heat boiler, recovery waste heat, and, by carrying out labyrinth type sedimentation after once burning, water-cooled cooling dedusting is carried out after secondary burning, effectively reduce the salt content in flue gas step by step, salinity effectively can be prevented to be deposited in flue or waste heat boiler, to reduce heat transfer effect and burn effect.
For achieving the above object, the double heat reclaiming system of a kind of salt bearing liquid wastes of the present invention burning comprises the high-pressure atomizing device connected successively, Burning Room, labyrinth type settling chamber, secondary burning room, water-cooled temperature-reducing dust remover, waste heat boiler and an exhaust gas cleaner; Described labyrinth type settling chamber comprises housing, gas approach and exhanst gas outlet, is vertically installed with multiple baffle plate in housing between gas approach and exhanst gas outlet, and the baffle plate flue gas that makes arranged in a crossed manner passes through through mazy zigzag path; According to burn waste liquid calorific value produce exhaust gas volumn setting labyrinth type settling chamber length, width, highly, make flue gas be 2-3 meter per second at the flow velocity of this labyrinth type settling chamber, the holdup time of flue gas in labyrinth type settling chamber is 1.5-2 second; Flue gas flow rate in described water-cooled temperature-reducing dust remover is 3-4 meter per second, and flue gas residence time is 1.5-2 second.
In prior art, the outlet of Burning Room does not design precipitation apparatus, causes a large amount of salt particle to enter secondary burning room, reduces the efficiency of secondary burning, causes damage to flue gas waste heat recovery equipment below simultaneously.Labyrinth type settling chamber is set between secondary burning can effectively reduces the salinity entering secondary burning indoor by once burning.Test shows, and then the salinity of secondary burning indoor reduces 95-98%, and during secondary burning, energy consumption reduces 5-10%.
Above-mentioned parameter is arranged, and achieves salinity sedimentation and production efficiency, the maximum edge effect of cost three.Flue gas Negotiation speed is very fast, and effect of settling declines, and Negotiation speed is comparatively slow or the holdup time is longer, can cause the decline of production efficiency, and thermal losses strengthens in link, affects the energy recovery of whole system.Optimum configurations of the present invention, then just under the prerequisite not reducing overall heat energy organic efficiency, achieves salinity substantially and is once burning and sedimentation after secondary burning.
Further, described waste heat boiler comprises softened water tank, and the cooling water inlet of described water-cooled temperature-reducing dust remover is communicated with softened water tank respectively by the road with outlet, and described cooling water circulates between water-cooled temperature-reducing dust remover and described softened water tank.
Further, air heat exchanger is provided with between described waste heat boiler and described exhaust gas cleaner, the air inlet of air heat exchanger is connected with oxygenating blower fan, the gas outlet of air heat exchanger is communicated with a described Burning Room and/or described secondary burning room, and the gas that oxygenating blower fan is blown in air heat exchanger flows into a Burning Room and/or secondary burning room after heating.
Further, described exhaust gas cleaner comprises the alkali liquid washing device, mist water separator, air-introduced machine and the aiutage that connect successively.
Further, the delivery port of described mist water separator is communicated with the alkali lye circulatory pool of described alkali liquid washing device, and in described mist water separator, isolated alkali lye is back in described alkali lye circulatory pool through its delivery port and pipeline.
A kind of salt bearing liquid wastes burns energy recovery technique of holding concurrently, and specifically comprises the steps:
1) salt bearing liquid wastes high-pressure atomization enter after mixing with air in a Burning Room and carry out burning disposal; The temperature of once burning is 750-800 DEG C, and waste liquid holdup time in a Burning Room of atomization is 1.5-2.5 second;
2) carry out settlement treatment by the flue gas importing labyrinth type settling chamber of a Burning Room generation, remove the bulky grain salt particle in flue gas and dust; Flue gas after once burning passes through with 2-3 meter per second speed per second in labyrinth type settling chamber, and the holdup time of flue gas in expansion chamber controlled in 1.5-2 second.
3) by through step 2) after residual flue gas import secondary burning room and carry out secondary burning process, the ignition temperature of secondary burning is 1100-1150 DEG C;
4) the residual flue gas after secondary burning process is carried out Water cooled dust removing, flue-gas temperature after dedusting is down to 750-800 DEG C, flue gas passes through at water-cooled temperature-reducing dust remover with 3-4 meter per second flow velocity, and the holdup time of flue gas in water-cooled temperature-reducing dust remover is 1.5-2 second;
5) flue gas after dedusting being lowered the temperature imports waste heat boiler and carries out waste heat recovery;
6) after waste heat recovery, flue gas is by air heat exchanger, and the flue gas after heat exchange reaches after safety standard through purified treatment and enters air.
Further, a described Burning Room internal loading is taken as 106 × 10 4kJ/ (m3.h).
Further, a described Burning Room adopts dry method to slag tap, and the salt slag after heat exchange adopts the discharging of spiral dry method slag-tapping system.
The incinerator main body of a Burning Room and secondary burning room all adopts vertical fire-resistant formula structure, high because burning in-furnace temperature, waste liquid some salt in the process of burning can gasify along with flue gas cooling becomes salt particle, 80-90% salt slag falls in a Burning Room, salt slag after heat exchange adopts the discharging of spiral dry method slag-tapping system, avoids wet method high temp. salt slag of slagging tap to fall in water the danger occurring gas explosion.
Further, the outlet pressure of described labyrinth type settling chamber controls at-100 ~-120Pa.
Further, described flue-gas purification treatment device design air inlet mobility is 0.6-1.2m/s, and consumption liquid measure is 0.4-1.35L/m 3gas, design resistance 200-390Pa.
Further, described salt bearing liquid wastes is that COD concentration (Chemical Oxygen Demand COD) is 50,000-100 ten thousand saliferous waste liquids, pH value is 3-12, and the salt fusing point wherein in waste water is more than 800 DEG C.
Further, the air of air heat exchanger described in step 6) or oxygen rich gas pass into a Burning Room or secondary burning room after being preheated.
Further, the soft water of the described waste heat boiler of described water-cooling dust cooling water source used in step 5) in described step 4), and preheating is carried out to this soft water.
Further, purified treatment described in described step 6) comprise set gradually alkali liquid washing, fog be separated.
Residual harmful flue gas after once burning enters secondary burning, the temperature of secondary burning reaches more than 1100 DEG C, the salt of vaporized state easily enters waste heat recovery apparatus at high operating temperatures, the salt of vaporized state and heat transmission equipment contact volume account on waste heat equipment tube wall, and salt slag is bonded at waste heat tube wall and easily corrodes tube wall and will under causing heat transfer effect; Affect burning process stable operation.The present invention makes flue gas time of staying long enough wherein by arranging water-cooled temperature-reducing dust remover behind secondary burning room, and make its temperature be down to less than 800 DEG C, effectively can reduce the salinity of flue gas during waste heat recovery, reduce the infringement of salinity to waste heat boiler, ensure that the continuous and steady operation of technique.
Compared with prior art, liquid waste incineration of the present invention hold concurrently heat reclaiming system before waste heat recovery salinity reclaim safer, abundant, thorough, avoid salinity in waste heat boiler and ducted deposition, effectively improve waste heat recovery efficiency, ensure that the long-time normal operation of equipment.
Accompanying drawing explanation
Fig. 1-1 once burns part-structure schematic diagram for the present invention;
Fig. 1-2 is secondary burning part-structure schematic diagram of the present invention;
Fig. 1-3 is purified treatment part-structure schematic diagram of the present invention;
Fig. 2 is schematic flow sheet of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described.
embodiment 1
As shown in Figure 1-2, the double heat reclaiming system of a kind of salt bearing liquid wastes burning comprises the high-pressure atomizing device connected successively, Burning Room, labyrinth type settling chamber, secondary burning room, water-cooled temperature-reducing dust remover, waste heat boiler and an exhaust gas cleaner; Labyrinth type settling chamber comprises housing, gas approach and exhanst gas outlet, is vertically installed with multiple baffle plate in housing between gas approach and exhanst gas outlet, and the baffle plate flue gas that makes arranged in a crossed manner passes through through mazy zigzag path; According to burn waste liquid calorific value produce exhaust gas volumn setting labyrinth type settling chamber length, width, highly, make flue gas be 2-3 meter per second at the flow velocity of this labyrinth type settling chamber, the holdup time of flue gas in labyrinth type settling chamber is 1.5-2 second; Flue gas flow rate in water-cooled temperature-reducing dust remover is 3-4 meter per second, and flue gas residence time is 1.5-2 second.
Waste heat boiler comprises softened water tank, and the cooling water inlet of water-cooled temperature-reducing dust remover is communicated with softened water tank respectively by the road with outlet, and cooling water circulates between water-cooled temperature-reducing dust remover and softened water tank.Thus, the soft water in softened water tank can be heated in advance by water-cooled temperature-reducing dust remover, effectively improve the pre-heat recovery efficiency of native system thus.
Air heat exchanger is provided with between waste heat boiler and exhaust gas cleaner, the air inlet of air heat exchanger is connected with oxygenating blower fan, the gas outlet of air heat exchanger is communicated with a Burning Room and/or secondary burning room, and the gas that oxygenating blower fan is blown in air heat exchanger flows into a Burning Room and/or secondary burning room after heating.The flue gas heat-shift that the oxygen of oxygenating blower fan blowout or air and waste heat boiler are discharged, a Burning Room is passed into or secondary burning is indoor by the oxygen after heating or air, while improving incineration temperature, reduce the use amount of auxiliary fuel, namely effectively reduce the energy efficiency of native system.
Exhaust gas cleaner comprises the alkali liquid washing device, mist water separator, air-introduced machine and the aiutage that connect successively.The delivery port of mist water separator is communicated with the alkali lye circulatory pool of described alkali liquid washing device, and in described mist water separator, isolated alkali lye is back in described alkali lye circulatory pool through its delivery port and pipeline.
 
embodiment 2
As shown in Figure 2, a kind of salt bearing liquid wastes burns energy recovery technique of holding concurrently, and specifically comprises the steps:
1) salt bearing liquid wastes high-pressure atomization enter after mixing with air in a Burning Room and carry out burning disposal; The temperature of once burning is 750-800 DEG C, and waste liquid holdup time in a Burning Room of atomization is 2 seconds;
2) carry out settlement treatment by the flue gas importing labyrinth type settling chamber of a Burning Room generation, remove the bulky grain salt particle in flue gas and dust; Flue gas after once burning passes through with 2.5 meter per second speed per second in labyrinth type settling chamber, and the holdup time of flue gas in expansion chamber controlled at 2 seconds.
3) by through step 2) after residual flue gas import secondary burning room and carry out secondary burning process, the ignition temperature of secondary burning is about 1100 DEG C (when this temperature is too high, nitrogen oxide can sharply increase).
4) the residual flue gas after secondary burning process is carried out Water cooled dust removing, flue-gas temperature after dedusting is down to 750-800 DEG C, flue gas passes through at water-cooled temperature-reducing dust remover with 3.5 meter per second flow velocitys, and the holdup time of flue gas in water-cooled temperature-reducing dust remover is 2 seconds;
5) flue gas after dedusting being lowered the temperature imports waste heat boiler and carries out waste heat recovery;
6) after waste heat recovery, flue gas is by air heat exchanger, and the flue gas after heat exchange reaches after safety standard through purified treatment and enters air.A Burning Room or secondary burning room is passed into after the air of air heat exchanger or oxygen rich gas are preheated.Purified treatment comprise set gradually alkali liquid washing, fog be separated.
Wherein, a Burning Room internal loading is taken as 106 × 10 4kJ/ (m3.h).One time Burning Room adopts dry method to slag tap, and the salt slag after heat exchange adopts the discharging of spiral dry method slag-tapping system.Spiral dry method slag-tapping system comprises Water cooling jacket type and goes out slag bath and spiral slag remover, and wherein, Water cooling jacket type goes out slag bath and comprises slag catcher and water jacket, and slag catcher is arranged in water jacket, and the cooling water in water jacket surrounds the outer wall of slag catcher; Run through in slag catcher and be provided with spiral slag remover, the alkaline residue salt slag that incinerator produces enters in slag catcher after water jacket cooling, is carried discharge by spiral slag remover.
In prior art, brine waste incineration technology is at a room exit design flue gas water cooling tank, high-temperature flue gas directly inserts water cooling tank, because in-furnace temperature is high, the high temp. salt slag fallen after burning can with water generation gas explosion phenomenon, dry method slag-tapping system of the present invention then effectively prevent the generation of gas explosion phenomenon.
The incinerator main body of a Burning Room and secondary burning room all adopts vertical fire-resistant formula structure, high because burning in-furnace temperature, waste liquid some salt in the process of burning can gasify along with flue gas cooling becomes salt particle, 80-90% salt slag falls in a Burning Room, salt slag after heat exchange adopts the discharging of spiral dry method slag-tapping system, avoids wet method high temp. salt slag of slagging tap to fall in water the danger occurring gas explosion.
The outlet pressure of labyrinth type settling chamber controls at-100 ~-120Pa.Flue-gas purification treatment device design air inlet mobility is 0.6-1.2m/s, and consumption liquid measure is 0.4-1.35L/m 3gas, design resistance 200-390Pa.By the setting of above-mentioned parameter, the maximum edge effect between the lime-ash in flue gas, the sedimentation of salt slag and production efficiency, production cost three can be obtained.
Salt bearing liquid wastes handled by this method is COD concentration is 50,000-100 ten thousand saliferous waste liquids, pH value is 3-12, and the salt fusing point wherein in waste water is more than 800 DEG C.
The soft water of the described waste heat boiler of described water-cooling dust cooling water source used in step 5) in step 4), and preheating is carried out to this soft water.
Residual harmful flue gas after once burning enters secondary burning, the temperature of secondary burning reaches more than 1100 DEG C, the salt of vaporized state easily enters waste heat recovery apparatus at high operating temperatures, the salt of vaporized state and heat transmission equipment contact volume account on waste heat equipment tube wall, and salt slag is bonded at waste heat tube wall and easily corrodes tube wall and will under causing heat transfer effect; Affect burning process stable operation.The present invention makes flue gas time of staying long enough wherein by arranging water-cooled temperature-reducing dust remover behind secondary burning room, and make its temperature be down to less than 800 DEG C, effectively can reduce the salinity of flue gas during waste heat recovery, reduce the infringement of salinity to waste heat boiler, ensure that the continuous and steady operation of technique.
Below only describe several preferred embodiments of the application by reference to the accompanying drawings, but the application is not limited thereto, every those of ordinary skill in the art are under the spirit not departing from the application, and any improvement made and/or distortion, all belong to the protection domain of the application.

Claims (10)

1. salt bearing liquid wastes burns an energy recovery technique of holding concurrently, and it is characterized in that, this technique specifically comprises the steps:
1) salt bearing liquid wastes high-pressure atomization enter after mixing with air in a Burning Room and carry out burning disposal; The temperature of once burning is 750-800 DEG C, and waste liquid holdup time in a Burning Room of atomization is 1.5-2.5 second;
2) carry out settlement treatment by the flue gas importing labyrinth type settling chamber of a Burning Room generation, remove the bulky grain salt particle in flue gas and dust; Flue gas after once burning passes through with 2-3 meter per second speed per second in labyrinth type settling chamber, and the holdup time of flue gas in expansion chamber controls in 1.5-2 second;
3) by through step 2) after residual flue gas import secondary burning room and carry out secondary burning process, the ignition temperature of secondary burning is 1100-1150 DEG C;
4) the residual flue gas after secondary burning process is carried out Water cooled dust removing, flue-gas temperature after dedusting is down to 750-800 DEG C, flue gas passes through at water-cooled temperature-reducing dust remover with 3-4 meter per second flow velocity, and the holdup time of flue gas in water-cooled temperature-reducing dust remover is 1.5-2 second;
5) flue gas after dedusting being lowered the temperature imports waste heat boiler and carries out waste heat recovery;
6) after waste heat recovery, flue gas is by air heat exchanger, and the flue gas after heat exchange reaches after safety standard through purified treatment and enters air.
2. recovery process as claimed in claim 1, it is characterized in that, the outlet pressure of described labyrinth type settling chamber controls at-100 ~-120Pa.
3. recovery process as claimed in claim 1, it is characterized in that, described salt bearing liquid wastes is COD concentration is 50,000-100 ten thousand saliferous waste liquids, pH value is 3-12, the salt fusing point wherein in waste water is more than 800 DEG C.
4. recovery process as claimed in claim 1, is characterized in that, pass into a Burning Room or secondary burning room after the air of air heat exchanger described in step 6) or oxygen rich gas are preheated.
5. recovery process as claimed in claim 1, is characterized in that, the soft water of the described waste heat boiler of described water-cooling dust cooling water source used in step 5) in described step 4), and carries out preheating to this soft water.
6. recovery process as claimed in claim 1, is characterized in that, purified treatment described in described step 6) comprises the alkali liquid washing, the fog that set gradually and is separated.
7. salt bearing liquid wastes burns a heat reclaiming system of holding concurrently, and it is characterized in that, it comprises the high-pressure atomizing device connected successively, Burning Room, labyrinth type settling chamber, secondary burning room, water-cooled temperature-reducing dust remover, waste heat boiler and an exhaust gas cleaner; Described labyrinth type settling chamber comprises housing, gas approach and exhanst gas outlet, is vertically installed with multiple baffle plate in housing between gas approach and exhanst gas outlet, and the baffle plate flue gas that makes arranged in a crossed manner passes through through mazy zigzag path; According to burn waste liquid calorific value produce exhaust gas volumn setting labyrinth type settling chamber length, width, highly, make flue gas be 2-3 meter per second at the flow velocity of this labyrinth type settling chamber, the holdup time of flue gas in labyrinth type settling chamber is 1.5-2 second; Flue gas flow rate in described water-cooled temperature-reducing dust remover is 3-4 meter per second, and flue gas residence time is 1.5-2 second.
8. recovery system as claimed in claim 7, it is characterized in that, described waste heat boiler comprises softened water tank, and the cooling water inlet of described water-cooled temperature-reducing dust remover is communicated with softened water tank respectively by the road with outlet, and described cooling water circulates between water-cooled temperature-reducing dust remover and described softened water tank.
9. recovery system as claimed in claim 7, it is characterized in that, air heat exchanger is provided with between described waste heat boiler and described exhaust gas cleaner, the air inlet of air heat exchanger is connected with oxygenating blower fan, the gas outlet of air heat exchanger is communicated with a described Burning Room and/or described secondary burning room, and the gas that oxygenating blower fan is blown in air heat exchanger flows into a Burning Room and/or secondary burning room after heating.
10. recovery system as claimed in claim 7, it is characterized in that, described exhaust gas cleaner comprises the alkali liquid washing device, mist water separator, air-introduced machine and the aiutage that connect successively.
CN201410611267.4A 2014-11-04 2014-11-04 Salt bearing liquid wastes burns hold concurrently heat reclaiming system and technique Active CN104344408B (en)

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CN106838910A (en) * 2017-02-14 2017-06-13 西安山岳环保科技有限公司 One kind useless solid and liquid waste incineration and exhaust heat recovering method
CN107364904A (en) * 2017-07-27 2017-11-21 芜湖富春染织股份有限公司 A kind of processing method of yarn production water
CN107830534A (en) * 2017-10-20 2018-03-23 江苏百纳环保设备有限公司 Incinerator in a kind of liquid

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