CN103868079B - High concentration salty organic waste liquid reclaims chemical intermediate and Waste-heat boiler system - Google Patents
High concentration salty organic waste liquid reclaims chemical intermediate and Waste-heat boiler system Download PDFInfo
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- CN103868079B CN103868079B CN201410138632.4A CN201410138632A CN103868079B CN 103868079 B CN103868079 B CN 103868079B CN 201410138632 A CN201410138632 A CN 201410138632A CN 103868079 B CN103868079 B CN 103868079B
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Abstract
The invention discloses a kind of high concentration salty organic waste liquid and reclaim chemical intermediate and Waste-heat boiler system, including: burning boiler, primary dust removing device, after burner, waste heat boiler and two-stage dust removal device；Burning boiler waste gas outlet has primary dust removing device by pipeline connection；The outlet of primary dust removing device has after burner by pipeline connection；After burner outlet connects, by pipeline, the boiler that has surplus heat；Heat boiler outlet has two-stage dust removal device by pipeline connection；Two-stage dust removal device waste gas introduces chimney by air-introduced machine and discharges；The present invention, combustion system uses grate firing and room combustion to combine；Carry out in primary combustion indoor being spray-dried, dry distilling, evaporation, combination reaction, and have employed spray drying technology, breach the processing mode of single burning disposal garbage and unified offal treatment pattern, achieve liquid, gas, solid diversification garbage the most repeatedly burning disposal, also produce the chemical intermediate raw material of preciousness.
Description
Technical field
The present invention relates to a kind of chemical industry, pesticide, refine oil, print and dye, the high concentration saliferous of the industry such as papermaking has
Machine waste liquid carries out innoxious, minimizing, the high concentration salty organic waste liquid of recycling treatment reclaims in the middle of chemistry
Body and Waste-heat boiler system.
Background technology
Now chemical industry, pesticide, refine oil, print and dye, in the production process of the industry such as papermaking, often have
High-risk waste gas and high saliferous (mainly alkaline metal salt) organic liquid waste produce, for avoiding these high-risk pollutions
Health and the natural environment of the mankind are threatened by thing, need it is carried out innoxious, minimizing and resource
Process.Owing to high saliferous, the high toxicity of these garbages cause it to be little to by biochemical treatment, thus look for
To a kind of incineration treatment technology reasonable, effective, reduce the pollution to environment of this garbage, and profit as far as possible
Obtain useful industrial chemicals during being used in process garbage and reach the purpose of comprehensive utilization of resources, promote
Industry value chain is significant.
At present, both at home and abroad chemical industry, pesticide, refine oil, print and dye, the widely used incineration technology of industry such as papermaking
Process high concentrated organic waste liquid, incinerator using fuel oil or natural gas as auxiliary fuel, part incinerator also with
Enterprise's high heating value waste gas is as auxiliary fuel.In conventional incineration processing system, incinerator combustion system is single, only
Can simply process single garbage.Especially in terms of high concentration salty organic waste liquid burning disposal, tradition
The control of incinerator in-furnace temperature is only to ensure that fully burning, utilizes high temperature thoroughly to destroy by fire as far as possible organic harmful
Composition is to guarantee that environment protection standard is discharged.In a large number can be former as chemical industry for high concentration salty organic waste liquid contains
The useful component of material, it can utilize the control of incineration temperature to carry out combination reaction under certain conditions and generate
Certain product, can be used as intermediate such as chemical raw materials, turn waste into wealth, but this kind of
Problem is relatively difficult to solve always.
Summary of the invention
The present invention is directed to this difficult problem, have employed in incinerator designs and be dried skill at constant temperature combustion room spray
Art will generate certain containing a large amount of useful components chemical combination at a certain temperature in high concentration salty organic waste liquid
Product, is used as chemical intermediates such as chemical raw materials, and realizes heating power by waste heat boiler
Reclaim.
For reaching object above, it is achieved through the following technical solutions:
High concentration salty organic waste liquid reclaims chemical intermediate and Waste-heat boiler system, including: burn pot
Stove, primary dust removing device, after burner, waste heat boiler and two-stage dust removal device；
Burning boiler is surrounded primary zone jointly by boiler jacket body and refractory lining；Under primary zone
Portion is provided with crossbeam type chain-grate in being provided with horizontal chamber, and horizontal chamber, i.e. crossbeam type chain-grate
Tunnel cave is formed with horizontal chamber；
Primary zone is from top to bottom disposed with between some grate firing burners, and every adjacent two layers burner
It is both provided with waste liquid spout；
Natural gas or other fuel gas produce high-temperature flue gas by burner combustion, by organic for high concentration saliferous
In waste liquid, water vapour evaporation, dry distilling, decompose organic compound in high concentration salty organic waste liquid, meanwhile,
Utilize the product that organic compound in high concentration salty organic waste liquid decomposes, by the heat of high-temperature flue gas and
Water vapor contained by, further combination reaction produces chemical intermediate (sodium pyrophosphate solid).
It is positioned at crossbeam type chain-grate in tunnel cave to be provided above for continuing burning crossbeam type chain-grate
Solidfied material mixes do not burn and organic burn cinder burner；The cinder burner that burns herein is in order to cross beam type
Water vapour contained in the sodium pyrophosphate solid of deposition on traveling-grate stoker carries out drying and evaporates and continue high temperature
Decompose in sodium pyrophosphate solid and the waste liquid of doping may not burn Organic substance；
Crossbeam type chain-grate end is provided with the water-cooled slag remover of solidfied material after cooling and conveying reaction；
Burning boiler waste gas outlet has primary dust removing device by pipeline connection；The outlet of primary dust removing device is passed through
Pipeline connection has the after burner for the waste gas that again burns；After burner outlet is by pipeline even
It is connected to waste heat boiler；Heat boiler outlet has two-stage dust removal device by pipeline connection；Two-stage dust removal device gives up
Gas introduces chimney by air-introduced machine and discharges；
Primary zone uses cross section to be square or circular, and this kind is designed primarily for realizing the combustion of big volume
Burn room；
Primary dust removing device uses cyclone separator, and is isolated solidfied material by cyclone separator and pass through material returning device
Send primary combustion indoor back to again to burn；
After burner includes: secondary combustion chamber, be arranged at second-time burning chamber interior secondary burner and
It is arranged at primary dust removing device and the expansion joint on secondary combustion chamber connecting pipeline；
Using the present invention of technique scheme, primary zone (constant temperature combustor) uses the cross section side of being
Shape or the big volume combustion chambers of circle, combustor bottom arranges crossbeam type chain-grate (grate), by once firing
Burn in bottom, room is provided with horizontal chamber, and horizontal chamber and be provided with crossbeam type chain-grate, i.e. cross beam type chain
Bar fire grate forms tunnel cave with horizontal chamber, and combustion system uses grate firing and room combustion to combine.
High concentration salty organic waste liquid uses the liquid waste spray gun being arranged in waste liquid spout (same in waste liquid spout
Waste gas spray gun can be set) be ejected into primary zone (constant temperature combustor) with mist in be dried,
Evaporation, dry distilling, the course of reaction of burning；This process is to be realized by certain combustion reaction process,
Dominant response process is as follows:
Original solution composition: glyphosate: (HO)2P(O)CH2NHCH2COOH, glyphosine: C4H11NO8P2,
Sodium hydroxide: NaOH, moisture: H2O, sodium chloride: NaCl, sodium pyrophosphate: Na4P2O7, acid Jiao's phosphorus
Acid sodium (disodium hydrogen phosphate): Na2H2P2O7,
Dry, the evaporation process of vaporific high concentration salty organic waste liquid are moisture (H in waste liquid2O) evaporation stage,
Due to burning natural gas in primary zone (constant temperature combustor) so that primary zone's (constant temperature combustion
Room) in flue-gas temperature higher, under high temperature, the moisture in waste liquid becomes water vapour.
Owing to burning indoor temperature is higher, in waste liquid, other organic principles there occurs combustion reaction, course of reaction
As follows:
2(HO)2P(O)CH2NHCH2COOH+5O2→2NO2+6C+8H2O+2PO3+ 4
C4H11NO8P2+O2→NH3+4C+4H2O+2PO3+ 4
8NH3+6N O2→7N2↑+12H2O
C+O2→CO2
2NaOH+CO2→Na2CO3+H2O
2Na++4OH-+2PO3+ 4→Na2H2P2O7+H2O
Sodium acid pyrophosphate releases H+, H+ at high temperature heat with sodium carbonate after mixing can be with Na2CO3Reaction
Release CO2；
Na2H2P2O7+Na2CO3→2Na2HPO4+CO2↑
Above-mentioned course of reaction can be fully completed within 500 DEG C, starts Jiao is synthesized when 300 DEG C simultaneously
Sodium phosphate solid:
2Na2HPO4=Na4P2O7+H2O
Water vapour continues at high temperature to be evaporated out, and stays sodium pyrophosphate solid to deposit to primary zone (permanent
Temperature combustor) bottom fire grate on, by tunnel cave arrange burner heating evaporation sodium pyrophosphate solid in institute
The water vapour contained and other Organic substances of decomposition, by the rotation from front to back of cross beam type fire grate, afterbody is dried
Chemical intermediate (sodium pyrophosphate solid) finished product can enter next stage cooling, pack collection process, with
For production application；
Along the many grate firings of short transverse the most successively interlaced arrangement in primary zone (constant temperature combustor)
Burner and waste liquid (or waste gas) spout, order is for be sequentially arranged ground floor burner from top to bottom, and the second layer is adopted
Liquid waste spray gun, third layer burner are set in waste liquid spout, in the 4th layer of employing waste liquid spout, waste liquid is set
Spray gun, with above-mentioned overlapping form arrangement, and last later layer (bottom) is burner；This structure master
Being dried of high concentration salty organic waste liquid to be used for, evaporation, dry distilling and high temperature combination reaction process.
Solid salt after dry, evaporation, retort process relies on gravity to decline, combustor in the process
(constant temperature combustor) hierarchical design from top to bottom, the burner combustion of each layer is heated, organic by do not burn
Thing burns away and destroys by fire, i.e. combustion process, and meanwhile, in solid salt, other components reconfigure at a temperature of this again
Reaction produces new solid state chemistry intermediate, deposits on crossbeam type chain-grate (grate).
Crossbeam type chain-grate (grate) rotates from front to back, by crossbeam type chain-grate (grate)
Solid salt and solid state chemistry intermediate also rotate from front to back with crossbeam type chain-grate (grate)；By horizontal stroke
(and the most burner that burns of this position is distributed in front wall and left and right to the most burner that burns above beam type traveling-grate stoker
On side wall), burn most burner combustion temperature, burn most burner combustion i.e. to the solid-state on crossbeam type chain-grate
Foreign organic matter in salt and solid state chemistry intermediate carries out long Baking out to be made it decompose and fires completely
Cinder；Finally fallen into water-cooled slag remover by the ash dropping hopper being positioned at crossbeam type chain-grate (grate) end and carry out cold
But with conveying.
The high-temperature flue gas that primary zone (constant temperature combustor) produces is from primary zone (constant temperature combustor)
Top is drawn, and primary dust removing device (cyclone separator) carries out gas, solid separates, separate lower solid salt with
Containing certain organic impurities in solid state chemistry intermediate, again deliver to primary zone's (constant temperature through material returning device
Combustor) carry out constant temperature combustion, the residue that primary zone (constant temperature combustor) burning produces is deposited to machine
It is transported to water-cooled slag remover after the crossbeam type chain-grate that tool rotates, after cooling down by water-cooled slag remover and carry,
Discharging out of the furnace, sorting packs as raw material for Chemical Manufacture；Primary dust removing device (cyclone separator)
Flue gas after separation sequentially passes through connecting line and enters second-time burning chamber interior with expansion joint, then is fired by secondary
Burner is burnt further and the flue gas entered in secondary combustion chamber after separating is carried out high temperature heating by ignition again,
Making the organic principle of residual in flue gas the most thoroughly crack, destroy by fire, reacted flue gas is again via waste heat
Boiler carries out heating power recovery, then (dust arrester herein can be selected for sack cleaner through two-stage dust removal device
Or electrostatic precipitator) carry out further dust removal process, after introduce chimney through air-introduced machine, finally enter big
In gas.In the grit that cleaner unit is collected, containing substantial amounts of sodium pyrophosphate dust, cleaner unit can be received
The solid dust of collection dissolves in the high concentration salty organic waste liquid treating burning disposal, can farthest reclaim
Chemical intermediate (sodium pyrophosphate solid) product.
Wherein primary zone (constant temperature combustor), tunnel cave and second-time burning Indoor Combustion temperature will be according to height
The character of the character of concentration salty organic waste liquid and solid salt and solid state chemistry intermediate is by adjusting liquid or gas
The air capacity that body auxiliary fuel consumption and burning need determines control parameter, and by thermocouple, differential pressure transmitter
Measure and control, reaching the requirement of constant temperature and high-temp combustion.
The to sum up present invention, utilizes constant temperature combustion reaction technology and carries out in constant temperature combustion indoor being spray-dried and permanent
The high concentration salty organic waste liquid that flue gas carries out after temperature combustor cyclonic separation processes and utilizes waste heat boiler pair
In flue gas, used heat carries out the process system of heat recovery and can at utmost realize innoxious, minimizing as one
With the refuse processing method of resource, have begun to use more and more widely chemical industry, pesticide, oil refining,
In the process of the industry organic waste materials such as printing and dyeing, papermaking.
The processing method of this system be applicable to process difficult biochemistry, high concentration saliferous, toxicity greatly, complicated component
Organic waste materials, simple, efficient, feasible, both can destroy harmful substance by fire, can generate again in the middle of chemistry
Body, it is also possible to recycle waste heat, reaches comprehensive utilization of waste materials, the purpose of protection environment, and being one has wide
The technology of general application prospect.
Compared with existing burning disposal high concentration salty organic waste liquid technology, what the present invention provided utilizes constant temperature
Combustion reaction technology carries out being spray-dried in primary zone (thermostatic chamber), dry distilling, evaporation, chemical combination are anti-
With burning and after primary zone (thermostatic chamber), flue gas should be carried out in the middle of cyclonic separation solid salt and chemistry
The process system of body is provided with crossbeam type chain-grate, primary zone (thermostatic chamber), tunnel cave, whirlwind
Separator, material returning device and secondary high-temperature combustor, have employed spray drying technology, overcomes existing incinerator
Only only burn and do not produce chemical intermediate and insufficient fume emission that burns technical barrier the most up to standard；Prominent
Break the processing mode of single burning disposal garbage and unified offal treatment pattern, it is achieved that liquid,
Gas, solid diversification garbage the most repeatedly burning disposal, the chemical intermediate also producing preciousness is former
Material etc.；The process system of the present invention also has simple, easy to maintenance, the operation safety and stability of manufacturing process etc.
Feature, suitably at chemical industry, pesticide, refine oil, print and dye, the industry such as papermaking is widely popularized use.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and can being practiced according to the content of description, and in order to allow the present invention above and other purpose,
Feature and advantage can become apparent, and below especially exemplified by preferred embodiment, and coordinates accompanying drawing, describes in detail such as
Under.
Accompanying drawing explanation
The present invention totally 1 width accompanying drawing, wherein:
Fig. 1 is the structural representation of the present invention.
In figure: 1, burning boiler, 1.1, refractory lining, 1.2, crossbeam type chain-grate, 1.3, tunnel cave,
1.4, burner, 1.5, waste liquid spout, 1.6, burn most burner, 1.7, water-cooled slag remover, A, one
Secondary combustor, 2, primary dust removing device, 3, after burner, 3.1, secondary burner, 3.2, expand
Joint, B, secondary combustion chamber, 4, waste heat boiler, 5, two-stage dust removal device, 6, air-introduced machine, 7, chimney,
8, material returning device.
Detailed description of the invention
A kind of high concentration salty organic waste liquid as shown in Figure 1 reclaims chemical intermediate and Waste-heat boiler body
System, including: burning boiler 1, primary dust removing device 2, after burner 3, waste heat boiler 4 and two grades
Dust arrester 5；
Burning boiler 1 is surrounded primary zone A jointly by boiler jacket body and refractory lining 1.1；Once fire
Burn in A bottom, room is provided with horizontal chamber, and horizontal chamber and be provided with crossbeam type chain-grate 1.2, i.e. crossbeam
Formula traveling-grate stoker 1.2 forms tunnel cave 1.3 with horizontal chamber；
Primary zone A is from top to bottom disposed with some grate firing burners 1.4, and every adjacent two layers burner
Waste liquid spout 1.5 it is both provided with between 1.4；Natural gas or other fuel gas are produced by burner 1.4 burning
Raw high-temperature flue gas, by water vapour evaporation, dry distilling in high concentration salty organic waste liquid, by organic for high concentration saliferous
In waste liquid, organic compound decomposes, and meanwhile, utilizes organic compound in high concentration salty organic waste liquid to decompose
Product, by heat and the water vapor contained therein of high-temperature flue gas, further combination reaction generationization
Learn intermediate (sodium pyrophosphate solid)；
It is positioned at crossbeam type chain-grate 1.2 in tunnel cave 1.3 to be provided above for continuing burning cross beam type chain
On bar fire grate 1.2, solidfied material mixes not burn and organic burn cinder burner 1.6；Herein burn cinder burner
1.6 is to dry water vapour contained in the sodium pyrophosphate solid of deposition on crossbeam type chain-grate 1.2
Do and do not burn Organic substance in the possible waste liquid adulterated in evaporation and continuation pyrolytic sodium pyrophosphate solid；
Crossbeam type chain-grate 1.2 end is provided with the water-cooled slagging-off of solidfied material after cooling and conveying reaction
Machine 1.7；
Burning boiler 1 waste gas outlet has primary dust removing device 2 by pipeline connection；Primary dust removing device 2 exports
The after burner 3 for the waste gas that again burns is had by pipeline connection；After burner 3 outlet is passed through
Pipeline connects the boiler 4 that has surplus heat；Waste heat boiler 4 exports has two-stage dust removal device 5 by pipeline connection；Two grades
Dust arrester 5 waste gas introduces chimney 7 by air-introduced machine 6 and discharges；
Primary zone A uses cross section to be square or circular, and this kind is designed primarily for realizing big volume
Combustor；
Primary dust removing device 2 uses cyclone separator, and is isolated solidfied material by cyclone separator and pass through returning charge
Device 8 is sent primary combustion indoor back to and is again burnt；
After burner 3 includes: secondary combustion chamber B, is arranged at the secondary combustion within secondary combustion chamber B
Burner 3.1 and the expansion joint 3.2 being arranged on primary dust removing device 2 and secondary combustion chamber B connecting pipeline；
The present invention of employing technique scheme, primary zone (constant temperature combustor) A employing cross section is
Square or circular big volume combustion chambers, combustor bottom arranges crossbeam type chain-grate (grate) 1.2, by
A bottom, primary zone is provided with crossbeam type chain-grate, i.e. in being provided with horizontal chamber, and horizontal chamber
Crossbeam type chain-grate forms tunnel cave with horizontal chamber, and combustion system uses room combustion and grate firing to combine.
Preliminary operation, is first respectively started primary zone (constant temperature combustor) A inner burner 1.4 and two
Secondary burner 3.1 in secondary combustor B, is reached burning in-furnace temperature by burning auxiliary fuel oil or fuel gas
To design requirement, generally, the temperature of primary zone (constant temperature combustor) A is controlled at 650 DEG C-750 DEG C
Between or interval according to obtaining the reaction temperature that some chemical intermediate determines in high concentration salty organic waste liquid,
B burning in second-time burning indoor should determine according to organic principle in high concentration salty organic waste liquid, and general secondary fires
Burn Indoor Combustion temperature >=1100 DEG C；
High concentration salty organic waste liquid uses liquid waste spray gun (the waste liquid spout 1.5 being arranged in waste liquid spout 1.5
Waste gas spray gun can be set the most equally) be ejected into primary zone (constant temperature combustor) A with mist in enter
Row be dried, evaporation, dry distilling, the course of reaction of burning；This process is to be come by certain combustion reaction process
Realizing, dominant response process is as follows:
Original solution composition: glyphosate: (HO)2P(O)CH2NHCH2COOH, glyphosine: C4H11NO8P2,
Sodium hydroxide: NaOH, moisture: H2O, sodium chloride: NaCl, sodium pyrophosphate: Na4P2O7, acid Jiao's phosphorus
Acid sodium (disodium hydrogen phosphate): Na2H2P2O7,
Dry, the evaporation process of vaporific high concentration salty organic waste liquid are moisture (H in waste liquid2O) evaporation stage,
Due to burning natural gas in primary zone (constant temperature combustor) so that primary zone's (constant temperature combustion
Room) in flue-gas temperature higher, under high temperature, the moisture in waste liquid becomes water vapour.
Owing to burning indoor temperature is higher, in waste liquid, other organic principles there occurs combustion reaction, course of reaction
As follows:
2(HO)2P(O)CH2NHCH2COOH+5O2→2NO2+6C+8H2O+2PO3+ 4
C4H11NO8P2+O2→NH3+4C+4H2O+2PO3+ 4
8NH3+6N O2→7N2↑+12H2O
C+O2→CO2
2NaOH+CO2→Na2CO3+H2O
2Na++4OH-+2PO3+ 4→Na2H2P2O7+H2O
Sodium acid pyrophosphate releases H+, H+ at high temperature heat with sodium carbonate after mixing can be with Na2CO3Reaction
Release CO2。
Na2H2P2O7+Na2CO3→2Na2HPO4+CO2↑
Above-mentioned course of reaction can be fully completed within 500 DEG C, starts Jiao is synthesized when 300 DEG C simultaneously
Sodium phosphate solid:
2Na2HPO4=Na4P2O7+H2O
Water vapour continues at high temperature to be evaporated out, and stays sodium pyrophosphate solid to deposit to primary zone (permanent
Temperature combustor) bottom fire grate on, by tunnel cave arrange burner heating evaporation sodium pyrophosphate solid in institute
The water vapour contained and other Organic substances of decomposition, by the rotation from front to back of cross beam type fire grate, afterbody is dried
Chemical intermediate (sodium pyrophosphate solid) finished product can enter next stage cooling, pack collection process, with
For production application.
Along short transverse the most successively interlaced arrangement multilamellar in primary zone (constant temperature combustor) A
Burner 1.4 and waste liquid (or waste gas) spout, order is to be sequentially arranged ground floor burner 1.4 from top to bottom,
The second layer arranges liquid waste spray gun, third layer burner 1.4 in using waste liquid spout 1.5, the 4th layer uses waste liquid
Arranging liquid waste spray gun in spout 1.5, with above-mentioned overlapping form arrangement, and last later layer (bottom) is
Burner 1.4；Said structure works after reaching requirement temperature, and high concentration salty organic waste liquid is passed through waste liquid
The atomizer of spray gun with mist from waste liquid spout 1.5 spirt primary zone (constant temperature combustor) A's
Top, waste liquid is dried in primary zone (constant temperature combustor) A, dry distilling, evaporate, burn, react；
Solid salt after dry, evaporation, retort process relies on gravity to decline, combustor in the process
(constant temperature combustor) A hierarchical design from top to bottom, burner 1.4 burning, heating of each layer, by do not burn
Organic substance burns away and destroys by fire, i.e. combustion process, meanwhile, in solid salt other components again at a temperature of this again
Composite reaction produces new solid state chemistry intermediate, deposits on crossbeam type chain-grate (grate) 1.2；
Crossbeam type chain-grate (grate) 1.2 rotates from front to back, by crossbeam type chain-grate (grate) 1.2
On solid salt and solid state chemistry intermediate also rotate from front to back with crossbeam type chain-grate (grate) 1.2；
By the most burner of burning above crossbeam type chain-grate 1.2 1.6 (and this position burn most burner 1.6 points
It is distributed on front wall and left and right side wall), burn most burner 1.6 ignition temperature, burn the burning of most burner 1.6 i.e.
Foreign organic matter in solid salt on crossbeam type chain-grate 1.2 and solid state chemistry intermediate is carried out for a long time
Baking out make it decompose and burn completely；Last by being positioned at crossbeam type chain-grate (grate) 1.2 end
Ash dropping hopper fall into water-cooled slag remover 1.7 and cool down and carry.
The high-temperature flue gas that primary zone (constant temperature combustor) A produces is from primary zone (constant temperature combustor)
A top is drawn, and primary dust removing device 2 (cyclone separator) carries out gas, solid separation, the solid salt under separating
With in solid state chemistry intermediate containing certain organic impurities, again deliver to primary zone through material returning device 8 (permanent
Temperature combustor) A carries out constant temperature combustion (again being decomposed under constant temperature by foreign organic matter composition), once fires
After the residue that burning room (constant temperature combustor) A burning produces is deposited to the crossbeam type chain-grate 1.2 of mechanical rotation
It is transported to water-cooled slag remover 1.7, after cooling down by water-cooled slag remover 1.7 and carry, discharges out of the furnace, sorting dress
Bag as raw material for Chemical Manufacture；Flue gas after primary dust removing device 2 (cyclone separator) separation is successively
Enter inside secondary combustion chamber B through connecting line and expansion joint 3.2, then enter one by secondary burner 3.1
Step burning carries out high temperature heating by ignition again to the flue gas entered in secondary combustion chamber B after separating, and makes flue gas
The organic principle of middle residual the most thoroughly cracks, destroy by fire and (guarantee that in flue gas, organic murder by poisoning composition thoroughly divides
Solve, burn), reacted flue gas carries out heating power recovery via waste heat boiler 4 again, then fills through two-stage dust removal
Put 5 (dust arrester herein can be selected for sack cleaner or electrostatic precipitator) and carry out further dust removal process,
Introduce chimney 7 through air-introduced machine 6 after finally to enter in air.
Wherein, it is considered to system expansion requirements all can be provided with expansion joint in conveying high-temperature gas pipelines at different levels.
Wherein, burning temperature in primary zone (constant temperature combustor) A, tunnel cave 1.3 and secondary combustion chamber B
Spend the character of the character according to high concentration salty organic waste liquid and solid salt and solid state chemistry intermediate by adjusting
The air capacity that whole liquid or gas auxiliary fuel consumption and burning need determines control parameter, and by thermocouple,
Differential pressure transmitter measures and controls, and reaches the requirement of constant temperature and high-temp combustion.
The to sum up present invention, utilizes constant temperature combustion reaction technology and carries out in constant temperature combustion indoor being spray-dried and permanent
The high concentration salty organic waste liquid that flue gas carries out after temperature combustor cyclonic separation processes and utilizes waste heat boiler pair
In flue gas, used heat carries out the process system of heat recovery and can at utmost realize innoxious, minimizing as one
With the refuse processing method of resource, have begun to use more and more widely chemical industry, pesticide, oil refining,
In the process of the industry organic waste materials such as printing and dyeing, papermaking.
The processing method of this system be applicable to process difficult biochemistry, high concentration saliferous, toxicity greatly, complicated component
Organic waste materials, simple, efficient, feasible, both can destroy harmful substance by fire, can generate again in the middle of chemistry
Body, it is also possible to recycle waste heat, reaches comprehensive utilization of waste materials, the purpose of protection environment, and being one has wide
The technology of general application prospect.
Compared with existing burning disposal high concentration salty organic waste liquid technology, what the present invention provided utilizes constant temperature
Combustion reaction technology carries out being spray-dried in primary zone (thermostatic chamber), dry distilling, evaporation, chemical combination are anti-
With burning and after primary zone (thermostatic chamber), flue gas should be carried out in the middle of cyclonic separation solid salt and chemistry
The process system of body is provided with crossbeam type chain-grate, primary zone (thermostatic chamber), tunnel cave, whirlwind
Separator, material returning device and secondary high-temperature combustor, have employed spray drying technology, overcomes existing incinerator
Only only burn and do not produce chemical intermediate and insufficient fume emission that burns technical barrier the most up to standard；Prominent
Break the processing mode of single burning disposal garbage and unified offal treatment pattern, it is achieved that liquid,
Gas, solid diversification garbage the most repeatedly burning disposal, the chemical intermediate also producing preciousness is former
Material etc.；The process system of the present invention also has simple, easy to maintenance, the operation safety and stability of manufacturing process etc.
Feature, suitably at chemical industry, pesticide, refine oil, print and dye, the industry such as papermaking is widely popularized use.
The above, be only presently preferred embodiments of the present invention, not makees the present invention any pro forma
Limit, although the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any
Those skilled in the art are in the range of without departing from technical solution of the present invention, when available appeal announcement
Technology contents is made a little change or is modified to the Equivalent embodiments of equivalent variations, as long as being without departing from the present invention
The content of technical scheme, according to the present invention technical spirit to any simple modification made for any of the above embodiments,
Equivalent variations and modification, all still fall within the range of technical solution of the present invention.
Claims (4)
1. high concentration salty organic waste liquid reclaims chemical intermediate and Waste-heat boiler system, it is characterised in that:
Including, burning boiler (1), primary dust removing device (2), after burner (3), waste heat boiler (4)
With two-stage dust removal device (5)；
Described burning boiler (1) is surrounded primary combustion jointly by boiler jacket body and refractory lining (1.1)
Room (A)；Primary zone (A) bottom is provided with cross beam type chain in being provided with horizontal chamber, and horizontal chamber
Bar fire grate (1.2), i.e. crossbeam type chain-grate (1.2) form tunnel cave (1.3) with horizontal chamber；
Described primary zone (A) is from top to bottom disposed with some grate firing burners (1.4), and the most adjacent
Waste liquid spout (1.5) it is both provided with between two-layer burner (1.4)；
It is positioned at crossbeam type chain-grate (1.2) in described tunnel cave (1.3) to be provided above burning for continuing
Burn the upper solidfied material of crossbeam type chain-grate (1.2) to mix do not burn and organic burn cinder burner (1.6)；
Described crossbeam type chain-grate (1.2) end is provided with the water of solidfied material after cooling and conveying reaction
Cold slag remover (1.7)；
Described burning boiler (1) waste gas outlet has primary dust removing device (2) by pipeline connection；Described one-level
Dust arrester (2) outlet has the after burner (3) for the waste gas that again burns by pipeline connection；Institute
State after burner (3) outlet and connect, by pipeline, the boiler (4) that has surplus heat；Described waste heat boiler (4)
Outlet has two-stage dust removal device (5) by pipeline connection；Described two-stage dust removal device (5) waste gas passes through air inducing
Machine (6) introduces chimney (7) and discharges.
High concentration salty organic waste liquid the most according to claim 1 reclaims chemical intermediate and UTILIZATION OF VESIDUAL HEAT IN
Boiler system, it is characterised in that: described primary zone (A) uses cross section to be square or circular.
High concentration salty organic waste liquid the most according to claim 1 reclaims chemical intermediate and UTILIZATION OF VESIDUAL HEAT IN
Boiler system, it is characterised in that: described primary dust removing device (2) uses cyclone separator, and is divided by whirlwind
Isolate solidfied material from device and sent by material returning device (8) back to primary combustion is indoor not to be burnt mixing in solidfied material
Organic substance burns again.
High concentration salty organic waste liquid the most according to claim 1 reclaims chemical intermediate and UTILIZATION OF VESIDUAL HEAT IN
Boiler system, it is characterised in that: after burner (3) including: secondary combustion chamber (B), is arranged at two
Secondary burner (3.1) that secondary combustor (B) is internal and be arranged at primary dust removing device (2) and secondary combustion
Burn the expansion joint (3.2) on room (B) connecting pipeline.
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| CN201410138632.4A CN103868079B (en) | 2014-04-08 | 2014-04-08 | High concentration salty organic waste liquid reclaims chemical intermediate and Waste-heat boiler system |
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| CN201410138632.4A CN103868079B (en) | 2014-04-08 | 2014-04-08 | High concentration salty organic waste liquid reclaims chemical intermediate and Waste-heat boiler system |
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| Publication Number | Publication Date |
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| CN103868079A CN103868079A (en) | 2014-06-18 |
| CN103868079B true CN103868079B (en) | 2016-08-17 |
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| CN105135420B (en) * | 2015-08-26 | 2018-06-26 | 烟台龙源电力技术股份有限公司 | A kind of flying dust secondary combustion system and the method for improving flying dust germanium grade |
| CN106524188A (en) * | 2016-12-13 | 2017-03-22 | 江苏帕斯玛环境科技有限公司 | Plasma liquid waste disposal system with energy-saving preheating system |
| CN107120665A (en) * | 2017-07-04 | 2017-09-01 | 大连海伊特重工股份有限公司 | A kind of salt bearing liquid wastes processing unit and method |
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| CN109775786A (en) * | 2017-11-15 | 2019-05-21 | 江苏金牛环保工程设备有限公司 | A kind of high-salt wastewater burns desalting system and its processing method |
| CN108159718B (en) * | 2017-12-22 | 2021-03-05 | 辽宁东大粉体工程技术有限公司 | Device and method for classified carbonization treatment of high-salt-content and high-COD industrial waste liquid |
| CN108469019A (en) * | 2018-04-19 | 2018-08-31 | 大连航化能源装备有限公司 | A kind of phenol wastewater and the waste coke mixed burning system that gasifies |
| CN110207137A (en) * | 2019-06-12 | 2019-09-06 | 合肥仁德电子科技有限公司 | A kind of high concentration salt bearing liquid wastes incinerator |
| CN112555864B (en) * | 2020-12-10 | 2023-05-30 | 中化环境科技工程有限公司 | Incineration process method for simultaneously treating high-salt-content organic wastewater and solid waste |
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| CN103868079A (en) | 2014-06-18 |
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