CN209584108U - Carbonized by means of superheated steam organic matter vent gas treatment and thermal cycle utilize system - Google Patents
Carbonized by means of superheated steam organic matter vent gas treatment and thermal cycle utilize system Download PDFInfo
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- CN209584108U CN209584108U CN201822254859.1U CN201822254859U CN209584108U CN 209584108 U CN209584108 U CN 209584108U CN 201822254859 U CN201822254859 U CN 201822254859U CN 209584108 U CN209584108 U CN 209584108U
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- 239000005416 organic matter Substances 0.000 title claims abstract description 32
- 238000011282 treatment Methods 0.000 title claims abstract description 29
- 239000003546 flue gas Substances 0.000 claims abstract description 55
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 54
- 239000000428 dust Substances 0.000 claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 39
- 238000010521 absorption reaction Methods 0.000 claims abstract description 38
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- 239000007921 spray Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims description 24
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- 230000009977 dual effect Effects 0.000 claims description 18
- 238000010304 firing Methods 0.000 claims description 17
- 229910052799 carbon Inorganic materials 0.000 claims description 15
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 11
- 239000000920 calcium hydroxide Substances 0.000 claims description 11
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- 238000005336 cracking Methods 0.000 claims description 9
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- 238000010438 heat treatment Methods 0.000 claims description 8
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- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
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- 238000004056 waste incineration Methods 0.000 description 2
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
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- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 239000008187 granular material Substances 0.000 description 1
- -1 greasy filth Substances 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
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- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 125000001477 organic nitrogen group Chemical group 0.000 description 1
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Classifications
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model relates to overheat steam technology fields, system is utilized more particularly, to a kind of carbonized by means of superheated steam organic matter vent gas treatment and thermal cycle comprising cyclone separator, cyclone dust collectors, deodorization stove, waste heat boiler, overhead steam boiler, air heat exchanger, half-dried chilling tower, Dry absorption device, bag filter, air-introduced machine, spray column, absorption tower and the chimney set gradually;Carbonized by means of superheated steam organic matter vent gas treatment provided by the utility model and thermal cycle utilize system, can effectively, thoroughly solve the pollution problem of flue gas emission.
Description
Technical field
The utility model relates to overheat steam technology fields, at a kind of carbonized by means of superheated steam organic matter tail gas
Reason and thermal cycle utilize system.
Background technique
It is generated in many Intermediates Industry production processes such as medicine intermediate, pesticide intermediate, printing and dyeing intermediate, food big
With high salt, the high-COD waste water of amount, the improvement discharge of such waste water are always the world-famous puzzle of wastewater from chemical industry industry.It is steamed by multiple-effect
The solid slag salt formed is dried in hair, embrane method filtering, spray, and waste liquid is formally only transformed into solid waste form, having substantially
There is no eliminate for the harmful organic matter of poison.It, can will be in slag salt currently, superheated steam anaerobic carbonization technology disclosed in the relevant technologies
Organic carbon cracking, to make dangerous waste slag salt become available industry byproduct or common solid waste, so that counter push away solution
The emission problem of high COD, industrial wastewater with high salt.It can be generated after superheated steam anaerobic carbonization cracking organic matter a large amount of organic
Exhaust gas, organic matter include the various organic matters in high salt, and also including the organic matter in electronic waste, greasy filth, sludge, component is very
Complexity, if without the complete exhaust treatment system of a set of science, superheated steam protects environment in carbonization treatment organic matter
Meanwhile new pollutant can be generated simultaneously and destroys atmospheric environment.
The information disclosed in the background technology section is intended only to deepen the reason to the general background technology of the utility model
Solution, and it is known to those skilled in the art existing to be not construed as recognizing or imply that the information is constituted in any form
Technology.
Utility model content
The purpose of this utility model is to provide a kind of carbonized by means of superheated steam organic matter vent gas treatments and thermal cycle to utilize system
System, to solve the technical problems existing in the prior art.
To achieve the goals above, the utility model uses following technical scheme:
The utility model provides a kind of carbonized by means of superheated steam organic matter vent gas treatment and thermal cycle and utilizes system comprising according to
Cyclone separator, cyclone dust collectors, deodorization stove, waste heat boiler, overhead steam boiler, air heat exchanger, the half-dried chilling of secondary setting
Tower, Dry absorption device, bag filter, air-introduced machine, spray column, absorption tower and chimney;The air inlet of the cyclone separator
For connecting carbide furnace, high temperature cabonization cracking generates flue gas in air-introduced machine to material to be processed under anaerobic in carbide furnace
Cyclone separator, cyclone dust collectors, deodorization stove, waste heat boiler, overhead steam boiler, air heat exchanger, half are sequentially entered under effect
It is anxious but unable to do any thing cold tower, Dry absorption device, bag filter, air-introduced machine, spray column, absorption tower and chimney.
As a kind of further technical solution, the quantity of the cyclone separator and the quantity of carbide furnace are identical, described
The quantity of cyclone dust collectors is identical as the quantity of the cyclone separator, the corresponding cyclone separator of each cyclone dust collectors, often
The corresponding carbide furnace connection of a cyclone separator.
As a kind of further technical solution, the bottom of the cyclone separator connects a spiral stirring cage to carry out dust
Conveying is collected.
As a kind of further technical solution, the inside of the cyclone dust collectors has a pulse back blow filter core, institute
The bottom for stating cyclone dust collectors connects a spiral stirring cage to carry out dust conveying and collect.
As a kind of further technical solution, the deodorization stove includes: dual firing chamber/RTO heat accumulating type heating power incinerator, institute
It states the flue gas that deodorization stove comes out and is delivered to the waste heat boiler.
As a kind of further technical solution, the saturated vapor that the waste heat boiler generates is delivered to the superheated steam
Furnace carries out heat source utilization, and the waste heat boiler is provided with denitrating system, and the flue gas that the waste heat boiler comes out is delivered to overheat and steams
Vapour furnace.
As a kind of further technical solution, the superheated steam that the overhead steam boiler generates is delivered to carbide furnace, institute
Stating overhead steam boiler includes: A furnace and B furnace, and the A furnace and B furnace are connect with air heat exchanger respectively, and the A furnace and B furnace are sharp respectively
The fume afterheat come out with the waste heat boiler.
As a kind of further technical solution, the Dry absorption device includes the cigarette before being set to bag filter
Active carbon venturi injection reactor on air pipe.
As a kind of further technical solution, the Dry absorption device includes the cigarette before being set to bag filter
Venturi reactor is sprayed in calcium hydroxide dry powder depickling on air pipe.
Second aspect, the utility model also provide a kind of carbonized by means of superheated steam organic matter vent gas treatment and heat according to
The method of cyclic utilization system comprising:
The superheated steam that overhead steam boiler generates puts into carbide furnace;
Material to be processed is sent by feeding system to carbide furnace;
Effect of the material to be processed flue gas that high temperature cabonization cracking generates under anaerobic in air-introduced machine in carbide furnace
Under sequentially enter cyclone separator, cyclone dust collectors, deodorization stove, waste heat boiler, overhead steam boiler, air heat exchanger, be partly anxious but unable to do any thing
Cold tower, Dry absorption device, bag filter, air-introduced machine, spray column, absorption tower and chimney.
By adopting the above technical scheme, the utility model has the following beneficial effects:
Carbonized by means of superheated steam organic matter vent gas treatment provided by the utility model and thermal cycle utilize system, can effectively,
Thoroughly solves the pollution problem of flue gas emission.The design of UTILIZATION OF VESIDUAL HEAT IN is embodied in the following areas: being recycled using waste heat boiler
Steam, the heat utilization of air heater, deodorization stove and overhead steam boiler.The design for the treatment of tail gas uses advanced semidry method, does
The processing mode that method and wet process combine, it is ensured that technical, the advanced and stability of whole system.Emission of smoke tallies
Emission limit in GB18484-2014 " dangerous waste incineration contamination control standard ".The utility model has for carbonized by means of superheated steam
The technology of machine object should be promoted, and provide complete scheme guarantee, accelerate the rapid market of this technology, have and environment
It is harmonious.
Detailed description of the invention
It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art
Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, it is described below
In attached drawing be that some embodiments of the utility model are not paying creativeness for those of ordinary skill in the art
Under the premise of labour, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is that carbonized by means of superheated steam organic matter vent gas treatment provided by the embodiment of the utility model and thermal cycle utilize system
Structural schematic diagram.
Icon: 301- feeding system;302- carbide furnace;303- discharge system;304- cyclone separator;305- cyclone dust removal
Device;306- deodorization stove;307- waste heat boiler;308- overhead steam boiler;309- air heat exchanger;The half-dried chilling tower of 310-;311-
Dry absorption device;312- bag filter;313- air-introduced machine;314- spray column;The absorption tower 315-;316- chimney.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with attached drawing, it is clear that described
Embodiment is the utility model a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, originally
Field those of ordinary skill every other embodiment obtained without making creative work belongs to practical
Novel protected range.
It is in the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", " perpendicular
Directly ", the orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific
Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.In addition, term " the
One ", " second ", " third " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified
Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally
Connection;It can be mechanical connection, be also possible to be electrically connected;Can be directly connected, can also indirectly connected through an intermediary,
It can be the connection inside two elements.For the ordinary skill in the art, on can understanding as the case may be
State the concrete meaning of term in the present invention.
Specific embodiment of the present utility model is described in detail below in conjunction with attached drawing.It should be understood that herein
Described specific embodiment is only used for describing and explaining the present invention, and is not intended to limit the utility model.
Embodiment one
As shown in connection with fig. 1, the utility model provides a kind of carbonized by means of superheated steam organic matter vent gas treatment and thermal cycle utilizes
System comprising cyclone separator 304, cyclone dust collectors 305, deodorization stove 306, the waste heat boiler 307, overheat steaming set gradually
Vapour furnace 308, air heat exchanger 309, half-dried chilling tower 310, Dry absorption device 311, bag filter 312, air-introduced machine 313,
Spray column 314, absorption tower 315 and chimney 316;The air inlet of the cyclone separator 304 is carbonized for connecting carbide furnace 302
In furnace 302 material to be processed under anaerobic high temperature cabonization cracking generate flue gas under the action of air-introduced machine 313 successively into
Enter cyclone separator 304, cyclone dust collectors 305, deodorization stove 306, waste heat boiler 307, overhead steam boiler 308, air heat exchanger
309, half-dried chilling tower 310, Dry absorption device 311, bag filter 312, air-introduced machine 313, spray column 314, absorption tower 315
With chimney 316.In the present embodiment, the superheated steam that overhead steam boiler 308 generates puts into carbide furnace 302;Material to be processed
It is sent by feeding system 301 to carbide furnace 302, carbide furnace 302 carries out cooling down conveying by discharge system 303 after being disposed;
The material to be processed flue gas that high temperature cabonization cracking generates under anaerobic is under the action of air-introduced machine 313 in carbide furnace 302
Sequentially enter cyclone separator 304, cyclone dust collectors 305, deodorization stove 306, waste heat boiler 307, overhead steam boiler 308, air
Heat exchanger 309, Dry absorption device 311, bag filter 312, air-introduced machine 313, spray column 314, is inhaled half-dried chilling tower 310
Receive tower 315 and chimney 316.It is worth noting that above-mentioned each tail gas treatment device flexibly can be deleted or increase.
In the present embodiment, as a kind of further technical solution, the quantity and carbide furnace of the cyclone separator 304
302 quantity is identical, and the quantity of the cyclone dust collectors 305 is identical as the quantity of the cyclone separator 304, and each whirlwind removes
Dirt device 305 corresponds to a cyclone separator 304, a corresponding carbide furnace 302 connection of each cyclone separator 304.
In the present embodiment, as a kind of further technical solution, the bottom of the cyclone separator 304 connects a spiral
Stirring cage is collected with carrying out dust conveying.
Preferably, cyclone separator 304 is stirred by air inlet pipe, exhaust pipe, cylinder, cone, ash bucket and the spiral of rewinding
Cage composition, using gas-solid mixture when making high speed rotation generated centrifugal force, dust is separated from air-flow dry
Formula gas-solid separation equipment.In flue gas containing specific gravity it is lighter be not carbonized material or partially carbonized material and dust, drawn first
Blower 313 is pumped into cyclone separator 304 (each layer of carbide furnace 302 corresponds to a cyclone separator 304), gas by air inlet
For solid mixture when making the rotation of high speed tangent line, generated centrifugal force separates dust particles from flue gas, collects respectively
In the bottom of three cone cylinders, and the spiral stirring cage conveying for being concentrated through bottom is collected.By 304 dedusting of cyclone separator
Flue gas, dust content is greatly decreased, and a small amount of dust of Shang Hanyou more Specific gravity is evacuated to rotation by air outlet by air-introduced machine 313
Wind deduster 305 is handled.
In the present embodiment, as a kind of further technical solution, the inside of the cyclone dust collectors 305 has a pulse
Back flushing type filter core, the bottom of the cyclone dust collectors 305 connect a spiral stirring cage to carry out dust conveying and collect.
Preferably, cyclone dust collectors 305 are as 304 working principle of cyclone separator, and structure is similar, and volume is bigger, rotation
Having installed pulse back blow filter core resistant to high temperature inside wind deduster 305 additional, (cyclone dust collectors 305 are internally provided with N branch filter core mistake
Filter, the candle filter are connect with Pulse anti-blow device).Cyclone dust collectors 305 do the flue gas from cyclone separator 304
Further whirlwind adds the dual dedusting of filter core.Pulse controlled compressed air (or nitrogen) timing blowback absorption in the course of work
The filter core of dust, the dust of three cyclone dust collectors 305 is all collected in respective cone base, and be concentrated through bottom
One spiral stirring cage carries out conveying collection.90% or more in flue gas is handled by cyclone separator 304 and cyclone dust collectors 305
Granule dust be captured, reduce dust pressure during subsequent fume treatment
In the present embodiment, as a kind of further technical solution, the deodorization stove 306 includes: dual firing chamber/RTO accumulation of heat
Formula heating power incinerator, the flue gas that the deodorization stove 306 comes out are delivered to the waste heat boiler 307.
Wherein, dual firing chamber's inner wall builds high temperature high-alumina abrasion-proof casting material and light heat insulation material, has fire resisting, anti-corrosion and prevents
Thermic load impact function, refractory material and shell are lined with insulating layer, and outer wall uses steel material, and dual firing chamber uses upper and lower two layers
Burner.There is dump door at the top of dual firing chamber, is made of cylinder and steel short circuit.The design of dump door, prevents incinerator
Inside there is detonation or the fortuitous events such as power failure occur, emergency opening discharges door, avoids equipment explosion, and follow-up equipment damage etc. is pernicious
Accident occurs.Flue gas after cyclone dust removal summarize from dual firing chamber lower part enter dual firing chamber (can also design from dual firing chamber top enter
Dual firing chamber), further high-temperature oxydation decomposes.Dual firing chamber is equipped with upper and lower two layers of burner, supply in furnace air, natural gas (coal,
Oil generation or biomass fuel).Flue gas stops 2S or more in dual firing chamber, and dual firing chamber's operating temperature guarantees two at 1100 DEG C or more
Dislike the thorough decomposition of English and organic matter.
Wherein, RTO heat accumulating type heating power incinerator (RTO heat accumulating type oxidation furnace, Regenerative Thermal
Oxidizer) main structure is made of combustion chamber, regenerative chamber and switching valve etc..Regenerative chamber has 2 or 2 or more.In all heat
Thermal effect highest (> 95%) in the power burning method of purification, purification effect are high (three Room > 99%).Flue gas after cyclone dust removal summarize into
Enter RTO furnace, by burning, heating to 760 DEG C or more, high temperature is at 850 DEG C or so.Organic matter (VOCs) in flue gas is oxidized to
Corresponding CO2And H2O, thus flue gas of evolving, while the heat discharged when recovered flue gas decomposition, for preheating the cigarette of subsequent entrance
Gas, to save the fuel consumption of flue gas heating.
In the present embodiment, as a kind of further technical solution, the saturated vapor that the waste heat boiler 307 generates is conveyed
Heat source utilization is carried out to the overhead steam boiler 308, the waste heat boiler 307 is provided with denitrating system, the waste heat boiler 307
Flue gas out is delivered to overhead steam boiler 308.
Wherein, enter waste heat boiler 307 from 1100 DEG C of high-temperature flue gas that dual firing chamber comes out, 175 DEG C of recycling, 1.0MPa it is full
And steam.Manufactured saturated vapor send to overhead steam boiler 308 and carries out heat source utilization.
Wherein, hot water heat exchanger or heat-conducting oil furnace can also be added after waste heat boiler 307, is played during administering tail gas
Heat energy utilization, energy-saving and emission-reduction effect.
Wherein, SNCR abbreviation selective non-catalytic reduction method denitrating technique.Since organic nitrogen may be contained in flue gas, generate
SNCR denitration device can be arranged in reasonable temperature window region in film wall-boiler re-entrant portion or exhaust uptake in NOx.
SNCR denitration efficiency is about 40~60% or so, sprays into ammonium hydroxide in waste heat boiler 307920 DEG C~1020 DEG C regions mouthful
Solution carries out SNCR denitration.Using ammonium hydroxide as the SNCR technological principle of reducing agent: CO (NH2)2+H2O=2NH3+CO;NH2+ NO=N2+
H2O;CO+NO=N2+H2O.Denitrating system includes: ammonia water tank, ammonium hydroxide delivery pump, ammonium hydroxide transfer pipeline, ammonia water spray gun etc..
Using urea as reducing agent denitration.Urea is nonflammable, explosion, tasteless, volatility is smaller than ammonium hydroxide, denitration efficiency
Reach 50% or so.Denitrating system includes: urea dissolving tank, delivery pump, control valve and pipeline, atomizing lance etc..Urea is made
High-temperature area is sprayed into for reducing agent, the urea of reducing agent decomposes (160 DEG C) rapidly as ammonia, and also primary with the NOx in flue gas
At N and H2O, 2NO+CO (NH2)2+1/2O2-2N2+CO2+2H2Flue gas after O denitration enters air heat exchanger 309, UTILIZATION OF VESIDUAL HEAT IN.
In the present embodiment, as a kind of further technical solution, the superheated steam that the overhead steam boiler 308 generates is defeated
Send to carbide furnace 302, the overhead steam boiler 308 includes: A furnace and B furnace, the A furnace and B furnace respectively with air heat exchanger 309
Connection, the A furnace and B furnace are utilized respectively the fume afterheat that the waste heat boiler 307 comes out.Specifically, go out from waste heat boiler 307
850 DEG C or so of the flue gas come enters the superheated steam that 308 UTILIZATION OF VESIDUAL HEAT IN of overhead steam boiler is made 850 DEG C, as superheated steam
The main energy sources of carbonization organic matter system are sent into 302 carbonization organic matter of carbide furnace.
Wherein, the present apparatus is that two overhead steam boilers 308 individually produce superheated steam, and be not involved in containing a large amount of C, N, CO,
CO2、NOx、SO2The burning of tail gas.By using independent deodorization stove 306 (dual firing chamber or RTO furnace) incineration tail gas, combustion chamber
Existing 850 DEG C of temperature, the temperature of RTO furnace also has 1100 DEG C of dual firing chamber's temperature, ensure that the thorough clean of tail gas burning, no
Generate dioxin;The independent production steam of overhead steam boiler 308 simultaneously, but 306 waste gas from incinerator of deodorization stove is made full use of to generate
The burner heating of a large amount of high temperature heat, overhead steam boiler 308 becomes auxiliary heating.
In the present embodiment, as a kind of further technical solution, from 750 DEG C or so of overhead steam boiler 308 out
High-temperature flue gas enters the heat exchange of air heat exchanger 309 and utilizes, and as dual firing chamber's oxygenating, (air heat exchanger 309 will return recycling hot-air
Receive hot-air and be delivered to deodorization stove 306), 100 DEG C~150 DEG C or so hot-airs are recycled for fuel gas buring and exhaust combustion oxygenating
With to reduce operating cost.
In the present embodiment, as a kind of further technical solution, dioxin-like chemical is 250 DEG C~500 DEG C humidity provinces
Between can synthesize again.Chilling tower main function is 550 DEG C of flue gas weak lye (PH below that air heat exchanger 309 comes
=10 or so) directly cooling.It flows through the flue gas in tower directly to contact with the liquid of the penetrating after atomization, the rapid vapour of the liquid of penetrating
A large amount of heat is taken away in change, and flue-gas temperature is able to be rapidly decreased to 200 DEG C or so, again so as to avoid dioxin-like chemical
It generates.It preferably, is corrosion-resistant high-temperature refractory material with smoke contacts face in half-dried 310 tower of chilling tower, shell is steel material.
Half-dried chilling tower 310 is matched simultaneously alkali liquid tank, delivery pump, nozzle.
In the present embodiment, as a kind of further technical solution, 200 DEG C or so of the cigarette of half-dried chilling tower 310 out
Pneumatic transmission enters the disposition of Dry absorption device 311.Literary mound before spraying into sack cleaner respectively using calcium hydroxide powder and active powdered carbon
In in flue, the acidic materials further removed in flue gas simultaneously adsorb the harmful substances such as most of dioxin.
Wherein, activated carbon adsorption.The injection reaction of active carbon venturi is equipped on the flue gas pipeline before sack cleaner
(the Dry absorption device 311 includes the active carbon venturi spray on the flue gas pipeline before being set to bag filter 312 to device
Penetrate reactor), active carbon is conveyed with pressure-air.By frequency control conveying capacity, powdered activated carbon is added into flue gas, low
Dioxin-like chemical is easily tightly held by activated carbon under warm (200 DEG C), and active carbon mixes in flue with flue gas after spraying into, and is carried out just
Step absorption, mixed flue gas is adsorbed to filter bag surface even into sack cleaner, active carbon particle, filter bag surface after
Continuous absorption harmful substance, significantly improves the removal rate of dioxin-like chemical.In addition, adding active carbon in flue gas for going
Except the mercury in flue gas is also highly effective.
Wherein, calcium hydroxide depickling.Calcium hydroxide dry powder depickling injection text is equipped on the flue gas pipeline before sack cleaner
(the Dry absorption device 311 includes the calcium hydroxide on the flue gas pipeline before being set to bag filter 312 to reactor in mound
Venturi reactor is sprayed in dry powder depickling), calcium hydroxide dry powder is conveyed with pressure-air.By frequency control conveying capacity, to flue gas
Middle addition calcium hydroxide dry powder, to achieve the purpose that deacidification.Calcium hydroxide dry powder mixes in flue with flue gas after spraying into, and carries out just
Step neutralizes absorbing reaction, and mixed flue gas enters sack cleaner, and slaked lime powder is adsorbed to filter bag surface, continues in filter bag surface
Neutralization reaction is carried out with micro acidic materials, improves the removal rate of sour gas.Slaked lime powder storage tank is anti-using closed structure
Only adsorb the water vapour agglomeration in air.
In the present embodiment, as a kind of further technical solution, flue gas is taken out after the disposition of Dry absorption device 311
Enter to bag filter 312 and is dusted absorption processing.Bag filter 312 is a kind of efficient dust-extraction unit, removes chalk dust removing
Partial size is at 0.05 μm or more, and efficiency of dust collection is up to 99% or more.In cleaner, sack cleaner is more compared to other cleaners
Tool advantage, especially using in dry method or semidry method deacidifying process, sack cleaner serves not only as cleaner, and removes smoke abatement
The reaction unit of other harmful substances matter in gas is the most critical equipment of vent gas treatment.So reasonably selecting and designing bag-type dusting
Filtration velocity, filter pocket material, purge mode and the control technology of device all will affect gas cleaning effect.
In the present embodiment, as a kind of further technical solution, air-introduced machine 313 is the cigarette that carbonized by means of superheated steam is cracked
Gas is pumped into each processing system of tail gas all the way, and the chimney 316 after feeding discharges.Air-introduced machine 313 by impeller, casing, into
The parts such as air port, adjusting door, rotating group form.For the economy for considering blower.Exhaust blower and negative-pressure detector interlock, automatic to adjust
Turn over speed is to ensure negative pressure in furnace.It is made of high temp anti-corrosion material, frequency control, rotation speed of fan can be adjusted as needed, it can
Energy saving 35%.
In the present embodiment, as a kind of further technical solution, for spray column 314 and absorption tower 315, this reality
With it is novel in view of guarantee flue gas middle acid substance removal efficiency, using second level washing absorption;Pass through big yield spray washing
Remove the sour gas in flue gas.To sour gas wet-treating, treatment effect can be improved, and reduce processing cost;In order to
The washing effect for guaranteeing scrubbing tower lye removes the sour gas such as hydrogen chloride therein, sulfur dioxide by washing to flue gas.
The waste water come out from scrubbing tower enters conditioning tank after precipitation, squeezes into scrubbing tower, is recycled again after adjusting pH value.This
314 material of secondary design spray column is carbon steel liner granite anti-corrosion, and acid resistant granite alkali high-temperature resistant result is outstanding, easy to operate,
High reliablity, cost performance is high, has good resistance to most of soda acid and chemicals, is that live heavy anticorrosive is applied instantly
The important materials of work.315 material of absorption tower is carbon steel inside lining anti-corrosive coating, and absorption tower 315 is placed using two-stage filler, respectively
Structured packing and Bauer ring bulk loading filling material increase air-liquid exposure face, mix it strongly.Gas inlet temperature is 180 DEG C,
Outlet temperature is down to 40 DEG C or so after two-stage is washed.
In the present embodiment, as a kind of further technical solution, the design of chimney 316 is according to " dangerous waste incineration is dirty
Contaminate control standard " (GB18484-2001) exposure draft strict implement.316 material Q235-B+ inside lining anti-corrosive coating of chimney, really
Protect the service life of chimney 316.The design of chimney 316 meets complete equipment applying working condition.By " solid pollution source exhaust in particle
Object measurement and the gaseous pollutant method of sampling " (GB/T16157-1996) requirement, permanent thieff hatch is set, and installs for adopting
The facility of sample and measurement.Lightning rod is set at the top of chimney 316, is connected with ground lightning arrester, ground resistance is less than 4 Ω.Carbonization
Flue gas afterwards passes through each processing section of tail gas, passes through chimney 316 after disposition to high-altitude qualified discharge.Heat is carried out again simultaneously
Energy makes full use of.
It is worth noting that:
1, this programme is not limited to medicine intermediate, pesticide intermediate, the intermediates such as intermediate, food processing of printing and dyeing produced
With high salt, the high-COD waste water generated in journey handles the organic carbon processing in (derivative) high COD slag salt of generation, also includes
The carbonization treatment of the intermediate organic matter such as the electronic wastes such as mobile phone, electric wire, cable, wiring board, sludge, greasy filth.
2, this programme vent gas treatment has used three sets of cyclone separators 304 and cyclone dust collectors 305 are corresponding front end mistakes
Three carbide furnaces 302 of hot steam.302 quantity of carbide furnace is not limited to 3, is also possible to 1,2 or 4 or more, so right
The cyclone separator 304 and cyclone dust collectors 305 answered do not limit to each 3 sets yet, may correspond to 302 number of units of carbide furnace yet and are adjusted
It is whole.
3, the denitrating technique scheme that this programme is mentioned is not limited to ammonium hydroxide or the urea high temperature denitration of SNCR, also includes: to urge
Change reduction, absorb and adsorb three classes, further includes Dry denitration and wet denitration;Selective catalytic reduction (SCR), solid absorption
Method, carbon reduction method, catalytic decomposition, electron beam irradiate (EBA), impulse electric corona plasma method (PPCP);Wet process have oxidizing process,
Absorption method etc..
4, this programme further includes without using denitration scheme, and there is no nitrogen oxidations to close in the detection of 302 cracking tail gas of carbide furnace
When object.
Embodiment two
The present embodiment also provides a kind of carbonized by means of superheated steam organic matter vent gas treatment according to and thermal cycle using system
The method of system comprising:
The superheated steam that overhead steam boiler 308 generates puts into carbide furnace 302;
Material to be processed is sent by feeding system 301 to carbide furnace 302;
(organic matter is in nothing for the material to be processed flue gas that high temperature cabonization cracking generates under anaerobic in carbide furnace 302
It is cracked under the conditions of oxygen by high temperature cabonization, is converted into small molecule CO, C, CO2、NOx、N、SO2Deng) under the action of air-introduced machine 313 according to
Secondary cyclone separator 304, cyclone dust collectors 305, deodorization stove 306, waste heat boiler 307, overhead steam boiler 308, the air of entering changes
Hot device 309, Dry absorption device 311, bag filter 312, air-introduced machine 313, spray column 314, absorbs half-dried chilling tower 310
Tower 315 and chimney 316.
Embodiment three
For carbide furnace, the present embodiment can use the form of carbide furnace operating unit.
The carbide furnace operating unit include: superheated steam pipeline assembly and the first carbide furnace set gradually from top to bottom,
Second carbide furnace, third carbide furnace;The upper entrance of the first end of first carbide furnace is for inputting material to be processed, institute
The lower part outlet for stating the second end of the first carbide furnace is connect with the upper entrance of the second end of second carbide furnace, and described second
The lower part outlet of the first end of carbide furnace is connect with the upper entrance of the first end of the third carbide furnace, the third carbide furnace
Second end lower part outlet be used for export be carbonized after material;The superheated steam pipeline assembly include: superheated steam general pipeline,
Superheated steam branch pipe, exhaust main and exhaust branch pipe;The superheated steam general pipeline by each superheated steam branch pipe respectively with institute
State the first carbide furnace, the second carbide furnace, third carbide furnace connection, the exhaust main by each exhaust branch pipe respectively with it is described
First carbide furnace, the second carbide furnace, the connection of third carbide furnace.
Wherein, the quantity of the cyclone separator 304 is identical as the quantity of carbide furnace 302 (being three in this implementation),
The quantity of the cyclone dust collectors 305 is identical as the quantity of the cyclone separator 304 (being three in this implementation), Mei Gexuan
Wind deduster 305 corresponds to a cyclone separator 304, a corresponding carbide furnace 302 connection of each cyclone separator 304.
As a kind of further technical solution, first carbide furnace, the second carbide furnace, third carbide furnace pass through respectively
The realization of frequency conversion speed-down machine controls its feeding main shaft.
As a kind of further technical solution, further includes: rack;The first load carrier, are provided in the rack
Two load carriers and third load carrier are provided with first carbide furnace, second carrying on first load carrier
It is provided with second carbide furnace in mechanism, the third carbide furnace is provided on the third load carrier.
Preferably, the shell of each carbide furnace includes furnace body shell and furnace body inner casing, the furnace body shell and the furnace body
The inside air flue for being connected with superheated steam branch pipe is formed between inner casing.
Preferably, the internal air flue is provided with several stomatas along its length.
Preferably, each carbide furnace can also use double-screw type with single screw.
Such as: carbide furnace includes: furnace body shell, furnace body inner casing, the first output shaft, the second output shaft, gear-box, shaft coupling
The mechanical, electrical machine of device, frequency conversion speed-down;It is formed between the furnace body shell and the furnace body inner casing for being connected with superheated steam branch pipe
Internal air flue, the internal air flue are provided with several stomatas along its length.The motor passes through frequency conversion speed-down machine, shaft coupling
Device is connect with gear-box, and the gear-box exports axis connection, first output shaft and second with the first output shaft, second respectively
Output axis connection is located in the furnace body inner casing, and the two rotates synchronously.It is set on first output shaft, the second output shaft
It is equipped with helical blade structure.
In order to more thoroughly realize that organic waste comes into full contact with superheated steam.
Such as: it is provided between furnace body shell, furnace body inner casing in annular space (channel), which may act as logical in air inlet
Road, the corresponding superheated steam branch pipe connection of the inlet channel.The side (close to the side of discharge port) of the furnace body inner casing is set
It is equipped with gas outlet, which connect with exhaust branch pipe.Certainly, the inner surface of inlet channel is provided with several air inlets.
Such as: each carbonization furnace body can not also designed enclosures, add insulating layer outside inner casing, guarantee enclosure interior work
Temperature losses minimize.Superheated steam air intake branch is directly installed in the inner casing of every layer of carbide furnace.
Certainly, the set-up mode of air inlet can there are many.Such as: the distribution of air inlet from its feed end to discharge end by
It is decrescence few.Another example is: the distribution of air inlet is in the small Normal Distribution Model of the sum of big, the both sides sectional area of the sum of intermediate cross-section product,
Its sectional area distribution function is as follows:
Wherein, f (x) is unit breathing area distribution function;If central point in inlet channel axial direction is origin, x be from
The coordinate value extended in the middle part of inlet channel to its both ends;Wherein, π is pi;Wherein, σ is related with the partial size D of material.The σ is
0.15D-0.55D.Superheated steam can in this way realized maximum at the middle part of middle part furnace chamber, be come into full contact with.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (9)
1. a kind of carbonized by means of superheated steam organic matter vent gas treatment and thermal cycle utilize system, which is characterized in that including setting gradually
Cyclone separator, cyclone dust collectors, deodorization stove, waste heat boiler, overhead steam boiler, air heat exchanger, half-dried chilling tower, dry type
Absorption plant, bag filter, air-introduced machine, spray column, absorption tower and chimney;The air inlet of the cyclone separator is for connecting
Carbide furnace, in carbide furnace material to be processed under anaerobic high temperature cabonization cracking generate flue gas under the action of air-introduced machine according to
It is secondary enter cyclone separator, cyclone dust collectors, deodorization stove, waste heat boiler, overhead steam boiler, air heat exchanger, half-dried chilling tower,
Dry absorption device, bag filter, air-introduced machine, spray column, absorption tower and chimney.
2. carbonized by means of superheated steam organic matter vent gas treatment according to claim 1 and thermal cycle utilize system, feature exists
In the quantity of the cyclone separator and the quantity of carbide furnace are identical, the quantity of the cyclone dust collectors and the cyclonic separation
The quantity of device is identical, the corresponding cyclone separator of each cyclone dust collectors, the corresponding carbide furnace connection of each cyclone separator.
3. carbonized by means of superheated steam organic matter vent gas treatment according to claim 2 and thermal cycle utilize system, feature exists
In the bottom of the cyclone separator connects a spiral stirring cage to carry out dust conveying and collect.
4. carbonized by means of superheated steam organic matter vent gas treatment according to claim 2 and thermal cycle utilize system, feature exists
In the inside of the cyclone dust collectors has a pulse back blow filter core, and the bottom of the cyclone dust collectors connects a spiral and stirs
Cage is collected with carrying out dust conveying.
5. carbonized by means of superheated steam organic matter vent gas treatment according to claim 1 and thermal cycle utilize system, feature exists
In the deodorization stove includes: dual firing chamber/RTO heat accumulating type heating power incinerator, and the flue gas that the deodorization stove comes out is delivered to described remaining
Heat boiler.
6. carbonized by means of superheated steam organic matter vent gas treatment according to claim 1 and thermal cycle utilize system, feature exists
In the saturated vapor that the waste heat boiler generates is delivered to the overhead steam boiler and carries out heat source utilization, and the waste heat boiler is set
It is equipped with denitrating system, the flue gas that the waste heat boiler comes out is delivered to overhead steam boiler.
7. carbonized by means of superheated steam organic matter vent gas treatment according to claim 1 and thermal cycle utilize system, feature exists
In the superheated steam that the overhead steam boiler generates is delivered to carbide furnace, and the overhead steam boiler includes: A furnace and B furnace, the A
Furnace and B furnace are connect with air heat exchanger respectively, and the A furnace and B furnace are utilized respectively the fume afterheat that the waste heat boiler comes out.
8. carbonized by means of superheated steam organic matter vent gas treatment according to claim 1 and thermal cycle utilize system, feature exists
In the Dry absorption device includes the active carbon venturi injection reaction on the flue gas pipeline before being set to bag filter
Device.
9. carbonized by means of superheated steam organic matter vent gas treatment according to claim 1 and thermal cycle utilize system, feature exists
In the Dry absorption device includes the calcium hydroxide dry powder depickling injection text on the flue gas pipeline before being set to bag filter
Reactor in mound.
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