CN208894235U - A kind of novel absorbent charcoal Analytic Tower - Google Patents
A kind of novel absorbent charcoal Analytic Tower Download PDFInfo
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- CN208894235U CN208894235U CN201821101321.0U CN201821101321U CN208894235U CN 208894235 U CN208894235 U CN 208894235U CN 201821101321 U CN201821101321 U CN 201821101321U CN 208894235 U CN208894235 U CN 208894235U
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Abstract
A kind of novel absorbent charcoal Analytic Tower, the utility model is different according to the decomposition temperature of activated carbon adsorption pollutant, sets preheating zone (A1), vapor resolver (A2), pollutant resolver (A3), cooling zone (A4), First Transition section (A5) and the second changeover portion (A6) from top to bottom for active carbon Analytic Tower (A)；Wherein: the side wall of First Transition section (A5) is equipped with steam outlet (A7)；The side wall of second changeover portion (A6) is equipped with SRG gas vent (A8).Shift to an earlier date the moisture in isolating active charcoal by the method for step heating, reduce moisture content in SRG gas, creates good conditions for downstream relieving haperacidity, wastewater treatment process normal operation.
Description
Technical field
The utility model relates to a kind of active carbon Thermal desorption tower, it is particularly a kind of being capable of moisture in removal activity charcoal
Tower apparatus is parsed, sintering flue gas process field is belonged to.
Background technique
For the sintering device flue gas of industrial smoke, especially steel and iron industry, conciliate using including activated carbon adsorber
The desulphurization and denitration device and technique for analysing tower are more satisfactory.It is including activated carbon adsorber and Analytic Tower (or regenerator)
In desulphurization and denitration device, activated carbon adsorber is used for from sintering flue gas or exhaust gas (the especially sintering cigarette of the sintering machine of steel and iron industry
Gas) pollutant of the absorption including oxysulfide, nitrogen oxides and dioxin, and Analytic Tower is used for the hot recycling of active carbon.
Activated carbon desulfurization has desulfurization degree height, denitration can be achieved at the same time, de- dioxin, dedusting, do not generate waste water and dregs
The advantages that, it is extremely promising flue gas purifying method.Active carbon can regenerate at high temperature, when temperature is higher than 350 DEG C, absorption
(sulfur dioxide is solved for the pollutants such as oxysulfide, nitrogen oxides, dioxin on the activated carbon generation fast resolving or decomposition
Analysis, nitrogen oxides and dioxin are decomposed).And as the temperature rises, the reproduction speed of active carbon is further speeded up, regeneration
Time shortens, and preferably regenerating active carbon temperature is approximately equal to 430 DEG C in general control Analytic Tower, therefore, ideal parsing temperature
Spending (or regeneration temperature) is for example in 390-450 DEG C of range, more preferably in 400-440 DEG C of range.
For sintering flue gas exhaust temperature between 110-170 DEG C, SO is contained in the inside2, NOx, dust, dioxin, heavy metal etc.
Multiple pollutant, and active carbon flue gases purification is suitable for sintering flue gas temperature discharge section, it can be achieved that multi-pollutant just
High-efficient purification is cooperateed with, multiple pollutant can be deviate from simultaneously on a set of equipment, realizes by-product SO2Resource utilization, and
The technology has pollutant removing high-efficient, does not consume water resource substantially, without secondary pollution to wait a little.Active carbon gas cleaning dress
It installing and is equipped with multiple subsystems such as adsorption system, resolution system, acid making system, flue gas passes through activated carbon adsorption unit after-purification,
Active carbon particle circulates between absorbing unit and resolution unit, realizes that " absorption pollutant -> heating parsing activation (makes dirt
Dye object evolution) -> cooling -> absorption pollutant " and recycle.
The purpose of resolution system is that high temperature parsing regeneration is carried out to the active carbon for having adsorbed pollutant, is produced in gas containing height
Concentration SO2, multiple pollutants (SRG), the SRG gas such as large quantity of moisture be sent to acid making system relieving haperacidity.
Due to the characterization of adsorption of active carbon, SO in sintering flue gas2And other objectionable impurities almost all are enriched to SRG gas
In.Therefore, the harmful components almost not detected in sintered net flue gas have all reached very high concentration, SRG cigarette in SRG flue gas
Gas has the following characteristics that (1) flow is small, temperature is high, about 400 DEG C of flue gas mean temperature, 600m2Sintering machine SRG flue gas flow is (dry
Base) it is 2000m3/ h or so；(2) flue gas SO2Concentration is high, SO in SRG flue gas2Mass fraction is up to 25% (butt)；(3) flue gas
Middle water content is high, and highest water content can reach 33%；(4) content of CO in smoke is high, mass fraction about 0.5%；(5) ammonia in flue gas,
The harmful constituents such as fluorine, chlorine, mercury content is high, and average mass fraction is respectively 3.1%/0.1%/1.6%/51mg/Nm3；(6) flue gas
Dust content is high, and dirt is average in 2g/m3Left and right；Flue dust main component is active carbon, accounts for the 65-85% of total dust.It can be seen that
Water content is big in SRG gas, and temperature is high, has high temperature high corrosion property, therefore relieving haperacidity process is glass steel material, glass steel
Confrontation temperature requirement is very high, general to require to run at 100 DEG C or less, but SRG measurement of moisture content of gas is high, and it is following unfavorable to will cause
Influence: (1) SRG gas have high corrosion characteristic, this requires relieving haperacidity purification device be glass steel material, and the specific heat capacity of water compared with
Greatly, moisture content is high, and temperature is still relatively high after cooling, and impacts to the glass steel material service life；(2) SRG gas
Water content is high, will directly generate a large amount of technique waste waters；(3) the active carbon needs for having adsorbed pollutant are heated to from 50 DEG C or so
430 DEG C, need to consume a large amount of heat, moisture content is high, and the heat of consumption is more；(4) moisture content is excessively high in SRG gas,
The volumetric concentration of sulfur dioxide is reduced, it is relatively blunt in relieving haperacidity process.
Utility model content
In view of the deficiencies in the prior art, the utility model develops a kind of new parsing tower structure, according to active carbon
The decomposition temperature for adsorbing pollutant is different, shifts to an earlier date the moisture in isolating active charcoal by the method for step heating, reduces SRG gas
Middle moisture content creates good conditions for downstream relieving haperacidity, wastewater treatment process normal operation.
According to embodiment provided by the utility model, a kind of novel absorbent charcoal Analytic Tower is provided.
A kind of novel absorbent charcoal Analytic Tower, the active carbon Analytic Tower include the preheating zone being arranged from top to bottom, vapor point
Xie Qu, pollutant resolver, cooling zone, First Transition section and the second changeover portion.
Wherein: the lower part of preheating zone is equipped with preheating zone gas access and preheating zone gas vent.Under vapor resolver
Portion is equipped with vapor resolver gas access and vapor resolver gas vent.The lower part of pollutant resolver is equipped with pollutant
Resolver gas access and pollutant resolver gas vent.The lower part of cooling zone is equipped with cooling zone gas access and cooling zone gas
Body outlet.It is First Transition section between vapor resolver and pollutant resolver.It is between pollutant resolver and cooling zone
Second changeover portion.The side wall of First Transition section is equipped with steam outlet.The side wall of second changeover portion is equipped with SRG gas and goes out
Mouthful.
In the present invention, cooling zone gas access is connect with cooling gas conveyance conduit.Pollutant resolver gas
Entrance is connect with hot blast conveying pipe road.Pollutant resolver gas vent is connected to vapor resolver by the first conveyance conduit
Gas access or preheating zone gas access.
Preferably, cooling zone gas vent is connected to preheating zone gas access or vapor point by the second conveyance conduit
The gas access Xie Qu.
Preferably, vapor resolver gas vent is connected to preheating zone gas access or cold by third conveyance conduit
But area gas access.
Preferably, the first conveyance conduit is equipped with First Heat Exchanger.
Preferably, the second conveyance conduit is equipped with the second heat exchanger.
Preferably, third conveyance conduit is equipped with third heat exchanger.
Preferably, the active carbon Analytic Tower further includes the nitrogen delivery pipe for being passed through nitrogen to active carbon Analytic Tower top
Road.Nitrogen gas delivery-line is connected to active carbon Analytic Tower, and the connection position set of nitrogen gas delivery-line and active carbon Analytic Tower
In the top of preheating zone.
Preferably, nitrogen gas delivery-line is equipped with nitrogen heat exchanger.
Preferably, the second conveyance conduit and/or third conveyance conduit are connected to the heating medium passage of nitrogen heat exchanger
Entrance.
Preferably, preheating zone gas vent is connected to the heating medium passage of nitrogen heat exchanger by the 4th conveyance conduit
Entrance or preheating zone gas vent cooling zone gas access is connected to by the 4th conveyance conduit.
Preferably, steam outlet is delivered to former smoke conveying duct by the 5th conveyance conduit.SRG gas vent is logical
It crosses SRG gas transmission pipeline and is delivered to acid making system.
Preferably, cooling gas conveyance conduit is equipped with cooling wind blower.Hot blast conveying pipe road is equipped with air-heater.
Preferably, preheating zone, vapor resolver, pollutant resolver and cooling zone are shell structure.
Preferably, First Heat Exchanger, the second heat exchanger, third heat exchanger are electric heater.
In the present invention, by active carbon Analytic Tower and under be set as preheating zone, vapor resolver, pollutant point
Xie Qu, cooling zone, First Transition section and the second changeover portion；And steam outlet is equipped on the side wall of First Transition section.Make
The active carbon containing pollutant is obtained after entering Analytic Tower, is first preheated, then carries out the de- of moisture in vapor resolver
Remove, from the moisture being removed in active carbon from First Transition section side wall on steam outlet be expelled directly out, directly eliminate and contain
Moisture in pollutant active carbon.Then, go the active carbon containing pollutant of moisture removal decompose in pollutant resolver again and
The removing of pollutant, is substantially carried out the decomposition of sulphur-containing substance, and pollutant is arranged from the SRG gas vent on the second changeover portion side wall
Out；Moisture content is few the SRG gas being discharged herein in, is convenient for subsequent relieving haperacidity process.Active carbon containing pollutant is steamed in water
Gas resolver removing moisture is activated and is regenerated, then by cooling zone after pollutant resolver removes other pollutants
Cooled down, obtain fresh active carbon, be recycled to adsorption tower carry out using.
In the present invention, retaining I area is preheating zone, and old-fashioned Analytic Tower bringing-up section is divided into two sections, i.e., the
The area II is vapor resolver；Temperature controls in 100-300 DEG C of section, by the moisture adsorbed in active carbon (Free water or crystallization
Water) removal；Section III area is the pollutant resolver of ammonium sulfate or other pollutants, is substantially carried out SO2Decomposition, outlet temperature
It is 400-550 DEG C, and stops certain time, it is ensured that active carbon parses completely.Section IV area active carbon cooling zone.
In the present invention, according to the decomposition temperature of moisture in absorption pollutant active carbon, vapor resolver is controlled
Temperature so that the moisture in absorption pollutant active carbon is decomposed in vapor resolver, and pollutant is in this section
It does not change inside and (does not decompose and remove), moisture is removed from absorption pollutant active carbon in vapor resolver, then
From the steam outlet discharge on First Transition section side wall.The temperature of vapor resolver is generally 100-200 DEG C, preferably
105-190 DEG C, more preferably 110-180 DEG C.
In the present invention, according to point of pollutant (sulphur-containing substance or other pollutants) in absorption pollutant active carbon
Temperature is solved, the temperature of pollutant resolver is controlled, so that the pollutant in absorption pollutant active carbon is in pollutant resolver
It is decomposed, pollutant removes completely from active carbon, then from the SRG gas vent discharge on the second changeover portion side wall.It is dirty
The temperature of dye object resolver is generally 400-550 DEG C, preferably 410-500 DEG C, more preferably 420-480 DEG C.
In the present invention, Analytic Tower hot wind process: hot wind movement flow direction is by the way of bottom in and top out, first from work
Property charcoal bringing-up section outlet enter, by pollutant decompose section entrance enter, then from pollutant decompose section outlet be discharged,
Then the entrance entrance that vapor decomposes section is entered back into, is then discharged again from the outlet that vapor decomposes section.
The centre of vapor resolver and pollutant resolver is First Transition section, is active carbon layer, is substantially carried out water steaming
The outlet of gas；It is internal also to contain volatile NH3.It is the second changeover portion between pollutant resolver and cooling zone, is active carbon
Layer of charcoal is substantially carried out rich in SO2The outlet of gas.The water vapour content about 500Nm of First Transition section discharge3/ h or so is (containing micro
Ammonia), it can be discharged into the former flue gas of sintering.For the moisture discharge into former sintering flue gas, first will not influence sintering flue gas
It forms (since former sintering flue gas amount is huge, the vapor of the ratio will not influence the composition of former sintering flue gas completely), second can
With the ammonia for utilizing the inside to contain again, reach the effective use of resource.
In the present invention, change in Analytic Tower (Analytic Tower of prototype structure) in the prior art and contain in SRG gas
30% or so moisture content, the problem of not utilizing subsequent technique to run；It, will by adsorbing pollutant decomposition temperature different principle
Analytic Tower bringing-up section is divided into vapor resolver and pollutant resolver, and wherein vapor resolver carries out the water of activated carbon adsorption
The decomposition of point (Free water and combine water), it is also possible to contain micro ammonia；Pollutant resolver is sulfate or other materials
Watershed area, main decomposition goes out a large amount of SO2Gas or other materials, moisture content substantially reduce.It then is below active carbon
Cooling zone, the active carbon of heating is cooling.The steam vapour amount that active carbon decomposes is few, can be sent to former flue, micro using the inside
Ammonia；Moisture content greatly reduces in SRG gas, SO2Volume fraction greatly increases, and facilitates subsequent handling.
In the present invention, it can make full use of in active carbon in Analytic Tower that (preheating zone, vapor decompose each section
Area, pollutant resolver, cooling zone) heat that exchanges heat；It is each according to active carbon or the active carbon for having adsorbed pollutant
In section, respective technique, in other words each section of Analytic Tower to active carbon or adsorbed pollutant progress effect or work
Skill controls each section (preheating zone, vapor resolver, pollutant resolver, cooling zone) air inlet (or air inlet)
Temperature realizes its each respective function of section to control the temperature of active carbon in each section of Analytic Tower.Into Analytic Tower
After the cold wind of each section, hot wind (or gas) with the active carbon in the section by being exchanged heat, from the gas of respective segments
Body outlet discharge is input to other according to the temperature conditions adaptability of the discharge gas then according to the temperature of discharge gas
The gas access of respective segments (section for needing the temperature gas), is recycled or is recycled；Make full use of heat exchange
The heat of gas, economizes on resources.
In the present invention, cooling wind is input to cooling from cooling zone gas access by cooling gas conveyance conduit
Area.Hot wind is transported to pollutant resolver from pollutant resolver gas access by hot blast conveying pipe road.
In the present invention, according to the temperature from pollutant resolver gas vent discharge gas, pollutant resolver
The gas property of can choose of gas vent discharge is delivered to water from vapor resolver gas access by the first conveyance conduit
Steam resolver, or preheating zone is delivered to from preheating zone gas access by the first conveyance conduit.In actual process, according to dirt
The temperature of object resolver gas vent discharge gas is contaminated, vapor resolver and preheating zone need hot wind (or hot gas) medium
Temperature, the selective gas being discharged from pollutant resolver gas vent is delivered to the gas of wherein vapor resolver and enters
The gas access of mouth and/or preheating zone.
In the present invention, according to the temperature from cooling zone gas vent discharge gas, the discharge of cooling zone gas vent
The gas property of can choose preheating zone is delivered to from preheating zone gas access by the second conveyance conduit, or it is defeated by second
Pipeline is sent to be delivered to vapor resolver from vapor resolver gas access.In actual process, according to cooling zone gas vent
Be discharged the temperature of gas, vapor resolver and preheating zone need the temperature of hot wind (or hot gas) medium, it is selective from
The gas of cooling zone gas vent discharge is delivered to the wherein gas access of vapor resolver and/or the gas of preheating zone enters
Mouthful.
In the present invention, according to the temperature from vapor resolver gas vent discharge gas, vapor resolver
The gas property of can choose of gas vent discharge is delivered to preheating zone from preheating zone gas access by third conveyance conduit, or
Person is delivered to cooling zone from cooling zone gas access by third conveyance conduit.In actual process, according to vapor resolver gas
The temperature of body outlet discharge gas, preheating zone and cooling zone need the temperature of hot wind (or hot gas) medium, it is selective from
The gas of vapor resolver gas vent discharge is delivered to the wherein gas access of preheating zone and/or the gas of cooling zone enters
Mouthful.
In the present invention, which further includes that nitrogen from nitrogen to active carbon Analytic Tower top that be passed through is defeated
Send pipeline.It is protected in resolving using nitrogen, the SO that nitrogen is used as carrier that will parse simultaneously2Equal pernicious gases band
Out.Nitrogen gas delivery-line is equipped with nitrogen heat exchanger.Second conveyance conduit and/or the gas of third conveyance conduit conveying can connect
It is connected to the entrance of the heating medium passage of nitrogen heat exchanger；Second conveyance conduit and/or the gas of third conveyance conduit conveying are used
It exchanges heat in nitrogen.
In the present invention, according to the temperature from preheating zone gas vent discharge gas, the discharge of preheating zone gas vent
The gas property of can choose nitrogen is delivered to from the entrance of the heating medium passage of nitrogen heat exchanger by the 4th conveyance conduit
Heat exchanger, or cooling zone is delivered to from cooling zone gas access by the 4th conveyance conduit.In actual process, according to preheating zone
The temperature of gas is discharged in gas vent, and nitrogen heat exchanger and cooling zone need the temperature of gas (or wind) medium, selective
The gas being discharged from preheating zone gas vent is delivered to the wherein gas access of the heating medium passage of nitrogen heat exchanger and/or cold
But the gas access in area.
In the present invention, it when being handled in adsorption tower former flue gas due to active carbon, is sprayed into adsorption tower
Ammonia, active carbon have also adsorbed part ammonia in adsorption tower, have adsorbed the active carbon of pollutant and have been parsed in Analytic Tower again
When, in vapor resolver, this section is removed the interior ammonia adsorbed of active carbon, and in vapor resolver, the water of removing steams
Gas and ammonia, the gas being discharged from First Transition section can be delivered to former smoke conveying duct by the 5th conveyance conduit, by ammonia
Gas recycles, and economizes on resources.
In the present invention, the cooling wind blower on cooling gas conveyance conduit is used to convey cooling air to cooling zone
Body.Air-heater on hot blast conveying pipe road is used for pollutant resolver heat air delivery.
In the present invention, First Heat Exchanger with the gas in the first conveyance conduit for exchanging heat, the first heat exchange
Device can make the gas heating conveyed in the first conveyance conduit or cooling.Second heat exchanger be used for in the second conveyance conduit
Gas exchange heat, the second heat exchanger can make the gas heating conveyed in the second conveyance conduit or cooling.Third is changed
For hot device for exchanging heat with the gas in third conveyance conduit, third heat exchanger can make conveying in third conveyance conduit
Gas heating or cooling.There are many heating methods of heat exchanger (including First Heat Exchanger, the second heat exchanger, third heat exchanger)
Approach, preferably heat exchanger are electric heater, are heated using electric heater, or by high-temperature steam or fuel gas buring
The high-temperature flue gas of generation exchanges heat as heat medium and cold air, forms high-temperature hot-air.
In general, there is shell pipe type or pipe type to change for the preheating zone, vapor resolver, pollutant resolver, cooling zone
Hot device structure.Active carbon is respectively via the tube side of preheating zone, vapor resolver, pollutant resolver, cooling zone, and pre- hot gas
Body is via shell side in preheating zone, and via shell side in vapor resolver and pollutant resolver, cooling wind exists heat gas
Via shell side in cooling zone.Between vapor resolver and pollutant resolver with one receiving active carbon buffer area or
Middle area is First Transition section；Between pollutant resolver and cooling zone with one receiving active carbon buffer area or in
Between area, be the second changeover portion.
Novel absorbent charcoal Analytic Tower provided by the utility model, not according to the pollutant decomposition temperature adsorbed in active carbon
Together, vapor in parsing gas progress is separated in advance, provides help for the stable operation of subsequent technique.Pollution is adsorbed
For the active carbon of object in Analytic Tower, the moisture adsorbed in active carbon carries out decomposition disengaging in vapor resolver first, and water steams
Gas analytically tower steam outlet discharge, be stripped of vapor adsorbed other pollutants active carbon continue in Analytic Tower
The removing of interior parsing and pollutant, sulphur-containing substance and other pollutants are decomposed and are removed in the pollutant resolver of Analytic Tower, from
The SRG gas vent of Analytic Tower is discharged.Since vapor is most removed and is discharged first, referring now to the prior art, using this Shen
The novel absorbent charcoal Analytic Tower that please be provided, moisture content greatly reduces from the SRG gas that SRG gas vent is discharged, due to SRG
Gas temperature is higher, and must cool down processing when into acid making system, since moisture content is few in SRG gas, the difficulty of cooling
Degree substantially reduces.The process cooling generally adopt be water-cooled or water heat exchange, since moisture content itself is few in SRG gas, cooling
The cooling water of addition greatly reduces, and cooling efficiency greatly increase (since moisture content itself is few in SRG gas, water
Specific heat capacity is big).Therefore, using active carbon Analytic Tower provided by the present application, the SRG gas of acquisition is for the cooled of acid-making process
The cooling water that journey is simple, is added is few, cooling efficiency is high.
The wastewater treatment of acid-making process is the great difficult problem of the technology, and since wastewater flow rate is big, in waste water, acidity is big, pollutant
Broad categories contain the features such as organic matter, and waste water treatment process is the key link of acid-making process.Using the active carbon of the application
Analytic Tower greatly reduces the moisture content in SRG gas from source, and the cooling water being added in cooling procedure is further reduced,
So that the wastewater flow rate that acid making system generates greatly reduces, the 30-60% of wastewater flow rate is about generated in the prior art, is reduced
Wastewater treatment workload and wastewater treatment difficulty.The wastewater flow rate of generation is reduced, and the total amount of pollutant is constant, so that using the application
Active carbon Analytic Tower after, pollutant concentration in waste water increases, and processing (separation or enrichment) significant effect increases.
In addition, moisture content is few in the SRG gas of parsing after using the active carbon Analytic Tower of the application, into relieving haperacidity system
Cooling technique before system more efficiently and is stablized, and since the content of the big moisture of specific heat capacity greatly reduces, mainly carries out to gas
Cooling, control is simpler, and cooling technique is more stable, and cooling effect is more guaranteed；It more can accurately grasp and entering glass
When the relieving haperacidity process of glass steel material, the temperature of SRG gas, to ensure that the safety of the acid making system of glass steel material, simultaneously
It prolongs its service life.
The work of pollutant will have been adsorbed in active carbon Analytic Tower using the active carbon parsing tower structure of the application first
Moisture in property charcoal is decomposed and is detached from vapor resolver；Since the temperature that the decomposition of vapor needs is lower, generally
It is 100-150 DEG C, therefore, the temperature in vapor resolver is 100-150 DEG C.Active carbon behind vapor resolver into
Enter pollutant resolver, in the section, need active carbon being heated to 410-460 DEG C, is generally heated using hot-blast stove
Processing.In the prior art, the pollutant (including moisture) for needing to adsorb in active carbon and active carbon is heated to pollutant
Decomposition temperature (410-460 DEG C), the active carbon Analytic Tower of the application since the moisture in active carbon being separated in advance,
The moisture separated does not enter pollutant resolver, also just reduce pollutant resolver give separate moisture heat
Heat；Therefore, using the active carbon Analytic Tower of the application, in pollutant resolver, the heat of consumption is considerably less than in the prior art
The heat of active carbon Analytic Tower bringing-up section consumption.
Tower structure is parsed using the active carbon of the application, moisture is separated in advance in vapor resolver, is avoided
The part water enters pollutant resolver, also avoids the heat consumption heated in pollutant resolver to the part water, reduces
Heat consumption in active carbon resolving, has saved the energy, while reducing the discharge of energy burning pollutant.
After vapor is decomposed and is detached from vapor resolver, it is discharged from steam outlet, does not enter pollutant resolver；From
And moisture content greatly reduces from the SRG gas that SRG gas vent is discharged.SRG gas is delivered to the progress of relieving haperacidity purification device
When processing, need to cool down to SRG gas, since the moisture content in SRG gas is few, cool down to the portion gas
Workload it is small, cool down it is high-efficient.General use is blended into cold water cooling, since the moisture contained in itself in SRG gas is reduced, is
The cool water quantity that cooling is blended into is reduced, to reduce the wastewater flow rate of relieving haperacidity cleaning procedure generation.Further, since in SRG gas
The moisture itself contained is few, and the cold water being blended into is further reduced, to improve the volumetric concentration of sulfur dioxide.
Tower structure is parsed using the active carbon of the application, water in Analytic Tower SRG gas in the prior art can be solved perfectly
The problem for dividing content excessive creates conditions for subsequent relieving haperacidity stable operation, and can be reduced Wastewater from Acid Preparation treating capacity.
In the present invention, the height of active carbon Analytic Tower is 8-30 meters, preferably 10-25 meters, more preferably 12-20
Rice；Such as 15m or so.
Compared with prior art, the active carbon Analytic Tower of the application has following advantageous effects:
1, the application develops a kind of new parsing tower structure, different according to the pollutant decomposition temperature adsorbed in active carbon,
Vapor in parsing gas progress is separated in advance, provides help for the stable operation of subsequent technique；
2, using the active carbon Analytic Tower of the application, it is few to parse moisture content in the SRG gas of acquisition, relieving haperacidity process it
In preceding cooling procedure, the cooling water of consumption is few；After relieving haperacidity process, the wastewater flow rate of generation is few；
3, using the active carbon Analytic Tower of the application, it is few to parse moisture content in the SRG gas of acquisition, to SRG gas
Cooling technique is simple, and cooling efficiency greatly improves, and ensure that the gas temperature into the relieving haperacidity process of glass steel material, to protect
The safety for having demonstrate,proved glass-reinforced plastic material device extends its service life.
4, using the active carbon Analytic Tower of the application, it is possible to reduce high-temperature hot-air supply reduces energy consumption.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of active carbon Thermal desorption tower of the utility model；
Fig. 2 is the structural schematic diagram that a kind of active carbon Thermal desorption tower of the utility model is equipped with heat exchanger；
Fig. 3 is a kind of structural schematic diagram of the third design of active carbon Thermal desorption tower of the utility model；
Fig. 4 is the structural schematic diagram of the 4th kind of a kind of active carbon Thermal desorption tower of the utility model design；
Fig. 5 is the structural schematic diagram of the 5th kind of a kind of active carbon Thermal desorption tower of the utility model design.
Appended drawing reference:
A: active carbon Analytic Tower；A1: preheating zone；A101: preheating zone gas access；A102: preheating zone gas vent；A2:
Vapor resolver；A201: vapor resolver gas access；A202: vapor resolver gas vent；A3: pollutant point
Xie Qu；A301: pollutant resolver gas access；A302: pollutant resolver gas vent；A4: cooling zone；A401: cooling
Area gas access；A402: cooling zone gas vent；A5: First Transition section；A6: the second changeover portion；A7: steam outlet；A8:
SRG gas vent；A901: First Heat Exchanger；A902: the second heat exchanger；A903: third heat exchanger；A904: nitrogen heat exchanger；
A10: cooling wind blower；A11: air-heater；L1: cooling gas conveyance conduit；L2: hot blast conveying pipe road；L3: the first delivery pipe
Road；L4: the second conveyance conduit；L5: third conveyance conduit；L6: nitrogen gas delivery-line；L7: the four conveyance conduit；L8: the five is defeated
Send pipeline；L9:SRG gas transmission pipeline.
Specific embodiment
According to embodiment provided by the utility model, a kind of novel absorbent charcoal Analytic Tower is provided.
A kind of novel absorbent charcoal Analytic Tower, active carbon Analytic Tower A include preheating zone A1, the vapor being arranged from top to bottom
Resolver A2, pollutant resolver A3, cooling zone A4, First Transition section A5 and the second changeover portion A6.
Wherein: the lower part of preheating zone A1 is equipped with preheating zone gas access A101 and preheating zone gas vent A102.Vapor
The lower part of resolver A2 is equipped with vapor resolver gas access A201 and vapor resolver gas vent A202.Pollutant point
The lower part for solving area A3 is equipped with pollutant resolver gas access A301 and pollutant resolver gas vent A302.Cooling zone A4's
Lower part is equipped with cooling zone gas access A401 and cooling zone gas vent A402.Vapor resolver A2 and pollutant resolver A3
Between be First Transition section A5.It is the second changeover portion A6 between pollutant resolver A3 and cooling zone A4.First Transition section A5's
Side wall is equipped with steam outlet A7.The side wall of second changeover portion A6 is equipped with SRG gas vent A8.
In the present invention, cooling zone gas access A401 is connect with cooling gas conveyance conduit L1.Pollutant decomposes
Area gas access A301 is connect with hot blast conveying pipe road L2.Pollutant resolver gas vent A302 passes through the first conveyance conduit L3
It is connected to vapor resolver gas access A201 or preheating zone gas access A101.
Preferably, cooling zone gas vent A402 is connected to preheating zone gas access A101 by the second conveyance conduit L4
Or vapor resolver gas access A201.
Enter preferably, vapor resolver gas vent A202 is connected to preheating zone gas by third conveyance conduit L5
Mouth A101 or cooling zone gas access A401.
Preferably, the first conveyance conduit L3 is equipped with First Heat Exchanger A901.
Preferably, the second conveyance conduit L4 is equipped with the second heat exchanger A902.
Preferably, third conveyance conduit L5 is equipped with third heat exchanger A903.
Preferably, active carbon Analytic Tower A further includes the nitrogen delivery pipe for being passed through nitrogen to the top active carbon Analytic Tower A
Road L6.Nitrogen gas delivery-line L6 is connected to active carbon Analytic Tower A, and the company of nitrogen gas delivery-line L6 and active carbon Analytic Tower A
Connect the top that position is located at preheating zone A1.
Preferably, nitrogen gas delivery-line L6 is equipped with nitrogen heat exchanger A904.
Preferably, the second conveyance conduit L4 and/or third conveyance conduit L5 are connected to the heating of nitrogen heat exchanger A904
The entrance of medium channel.
Preferably, preheating zone gas vent A102 is connected to adding for nitrogen heat exchanger A904 by the 4th conveyance conduit L7
The entrance or preheating zone gas vent A102 of hot media channel are connected to cooling zone gas access by the 4th conveyance conduit L7
A401。
Preferably, steam outlet A7 is delivered to former smoke conveying duct by the 5th conveyance conduit L8.SRG gas goes out
Mouth A8 is delivered to acid making system by SRG gas transmission pipeline L9.
Preferably, cooling gas conveyance conduit L1 is equipped with cooling wind blower A10.Hot blast conveying pipe road L2 is equipped with heat
Wind blower A11.
Preferably, preheating zone A1, vapor resolver A2, pollutant resolver A3 and cooling zone A4 are shell knot
Structure.
Preferably, First Heat Exchanger A901, the second heat exchanger A902, third heat exchanger A903 are electric heater.
Embodiment 1
As shown in Figure 1, a kind of novel absorbent charcoal Analytic Tower, active carbon Analytic Tower A includes the preheating being arranged from top to bottom
Area A1, vapor resolver A2, pollutant resolver A3, cooling zone A4, First Transition section A5 and the second changeover portion A6.Preheating zone
The lower part of A1 is equipped with preheating zone gas access A101 and preheating zone gas vent A102.The lower part of vapor resolver A2 is equipped with water
Steam resolver gas access A201 and vapor resolver gas vent A202.The lower part of pollutant resolver A3 is equipped with pollution
Object resolver gas access A301 and pollutant resolver gas vent A302.The lower part of cooling zone A4 is equipped with cooling zone gas and enters
Mouth A401 and cooling zone gas vent A402.It is First Transition section A5 between vapor resolver A2 and pollutant resolver A3.
It is the second changeover portion A6 between pollutant resolver A3 and cooling zone A4.The side wall of First Transition section A5 is equipped with steam outlet
A7.The side wall of second changeover portion A6 is equipped with SRG gas vent A8.Cooling zone gas access A401 and cooling gas conveyance conduit
L1 connection.Pollutant resolver gas access A301 is connect with hot blast conveying pipe road L2.Pollutant resolver gas vent A302
Vapor resolver gas access A201 is connected to by the first conveyance conduit L3.
Embodiment 2
As shown in Fig. 2, repeating embodiment 1, only gas vent A302 in pollutant resolver passes through the first conveyance conduit L3
It is connected to preheating zone gas access A101.Cooling zone gas vent A402 is connected to preheating zone gas by the second conveyance conduit L4
Entrance A101.Vapor resolver gas vent A202 is connected to preheating zone gas access A101 by third conveyance conduit L5.
Embodiment 3
Embodiment 2 is repeated, only gas vent A402 in cooling zone is connected to vapor by the second conveyance conduit L4 and decomposes
Area gas access A201.Vapor resolver gas vent A202 is connected to cooling zone gas access by third conveyance conduit L5
A401。
Embodiment 4
Embodiment 2 is repeated, only the first conveyance conduit L3 is equipped with First Heat Exchanger A901.It is set on second conveyance conduit L4
There is the second heat exchanger A902.Third conveyance conduit L5 is equipped with third heat exchanger A903.First Heat Exchanger A901, the second heat exchanger
A902, third heat exchanger A903 are electric heater.
Embodiment 5
As shown in figure 4, repeating embodiment 2, only active carbon Analytic Tower A further includes logical to the active carbon top Analytic Tower A
Enter the nitrogen gas delivery-line L6 of nitrogen.Nitrogen gas delivery-line L6 is connected to active carbon Analytic Tower A, and nitrogen gas delivery-line L6 with
The link position of active carbon Analytic Tower A is located at the top of preheating zone A1.Nitrogen gas delivery-line L6 is equipped with nitrogen heat exchanger A904.
Embodiment 6
Embodiment 5 is repeated, only the second conveyance conduit L4 and third conveyance conduit L5 are connected to nitrogen heat exchanger A904
The entrance of heating medium passage.Preheating zone gas vent A102 is connected to nitrogen heat exchanger A904's by the 4th conveyance conduit L7
The entrance of heating medium passage.
Embodiment 7
As shown in figure 3, repeating embodiment 2, only gas vent A102 in preheating zone is connected to by the 4th conveyance conduit L7
Cooling zone gas access A401.
Embodiment 8
Embodiment 2 is repeated, only steam outlet A7 is delivered to former smoke conveying duct by the 5th conveyance conduit L8.
SRG gas vent A8 is delivered to acid making system by SRG gas transmission pipeline L9.
Embodiment 9
Embodiment 2 is repeated, only cooling gas conveyance conduit L1 is equipped with cooling wind blower A10.Hot blast conveying pipe road L2
It is equipped with air-heater A11.Preheating zone A1, vapor resolver A2, pollutant resolver A3 and cooling zone A4 are shell knot
Structure.
Parsing activation (or regeneration) is carried out to the active carbon containing pollutant using active carbon Analytic Tower provided by the present application
Processing handles 600m2The flue gas that sintering machine generates is by activated carbon adsorber treated the active carbon containing pollutant, analytically
In the SRG gas of tower SRG gas outlet discharge, moisture content 100-200m3(moisture content is about/h in the prior art
600-750m3/ h), accounting for the 5-10% of SRG gas volume, (it is about 25- that moisture content, which accounts for SRG gas volume, in the prior art
40%).The SRG gas is to generate to give up in the prior art by entering towerman's sequence, the wastewater flow rate that relieving haperacidity process generates after cooling
The 30-60% of water.
Heat Calculation, it is assumed that SRG gas flow is Q (wet basis state), and in the prior art, vapor percentage composition is 30%,
Vapor specific heat capacity Cp is 33.94J (mol/K), and vapor decomposition temperature is 150 DEG C, and Analytic Tower bringing-up section target temperature is 430
DEG C, moisture discharge amount is the 60% of total amount.The hot wind efficiency of furnace is 80%.
It is handled using the parsing tower structure of the application, is first detached from vapor in the vapor resolver of Analytic Tower,
It is discharged from steam outlet, to reduce the moisture content in SRG gas.Meanwhile dirt will have been adsorbed in vapor bringing-up section
The moisture contaminated in the active carbon of object detaches, and in the heating process of pollutant resolver, just reduces the demand of heat, separates
Vapor out not be heated to 430 DEG C；That is, in advance separating moisture, reduce the supply of heat, saves
The energy.
Heat=Q*30%/the 18*60%*Cp* (430-130) for the vapor reduction discharged in advance；
With 600m2For sintering machine, heat Q=4000m3/ h, by calculate it is found that using the application Analytic Tower, activity
It reduces heat and is supplied as 40733kJ/h in charcoal Analytic Tower pollutant resolver.
Known blast furnace gas calorific value is 3500kJ/Nm3。
Give active carbon Analytic Tower pollutant resolver heat supply by hot-blast stove, then after the parsing tower apparatus for using the application,
It is=40733/3500/80%=14.5Nm that blast furnace coal tolerance, which can be reduced,3/h.The use of fuel is greatly reduced, energy is saved
While source, reduce the discharge of pollutant.
Claims (14)
1. a kind of novel absorbent charcoal Analytic Tower, which includes the preheating zone (A1) being arranged from top to bottom, water steaming
Gas resolver (A2), pollutant resolver (A3), cooling zone (A4), First Transition section (A5) and the second changeover portion (A6)；Wherein:
The lower part of preheating zone (A1) is equipped with preheating zone gas access (A101) and preheating zone gas vent (A102)；Vapor resolver
(A2) lower part is equipped with vapor resolver gas access (A201) and vapor resolver gas vent (A202)；Pollutant point
The lower part of Xie Qu (A3) is equipped with pollutant resolver gas access (A301) and pollutant resolver gas vent (A302)；It is cooling
The lower part in area (A4) is equipped with cooling zone gas access (A401) and cooling zone gas vent (A402)；Vapor resolver (A2) with
It is between pollutant resolver (A3) First Transition section (A5)；It is the second mistake between pollutant resolver (A3) and cooling zone (A4)
Cross section (A6)；The side wall of First Transition section (A5) is equipped with steam outlet (A7)；The side wall of second changeover portion (A6) is equipped with
SRG gas vent (A8)；
Wherein, the height of active carbon Analytic Tower is 8-30 meters.
2. active carbon Analytic Tower according to claim 1, it is characterised in that: cooling zone gas access (A401) and cooling air
Body conveyance conduit (L1) connection；Pollutant resolver gas access (A301) is connect with hot blast conveying pipe road (L2)；Pollutant point
Solution area's gas vent (A302) is connected to vapor resolver gas access (A201) or preheating by the first conveyance conduit (L3)
Area gas access (A101).
3. active carbon Analytic Tower according to claim 2, it is characterised in that: cooling zone gas vent (A402) passes through second
Conveyance conduit (L4) is connected to preheating zone gas access (A101) or vapor resolver gas access (A201), and/or, water steams
Gas resolver gas vent (A202) is connected to preheating zone gas access (A101) or cooling zone by third conveyance conduit (L5)
Gas access (A401).
4. active carbon Analytic Tower according to claim 3, it is characterised in that: the first conveyance conduit (L3) is equipped with first and changes
Hot device (A901)；And/or
Second conveyance conduit (L4) is equipped with the second heat exchanger (A902)；And/or
Third conveyance conduit (L5) is equipped with third heat exchanger (A903).
5. active carbon Analytic Tower described in any one of -4 according to claim 1, it is characterised in that: the active carbon Analytic Tower (A)
It further include the nitrogen gas delivery-line (L6) that nitrogen is passed through to the top active carbon Analytic Tower (A), nitrogen gas delivery-line (L6) is connected to
Active carbon Analytic Tower (A), and the link position of nitrogen gas delivery-line (L6) and active carbon Analytic Tower (A) are located at preheating zone (A1)
Top.
6. active carbon Analytic Tower according to claim 5, it is characterised in that: nitrogen gas delivery-line (L6) is changed equipped with nitrogen
Hot device (A904), the second conveyance conduit (L4) and/or third conveyance conduit (L5) are connected to the heating of nitrogen heat exchanger (A904)
The entrance of medium channel；And/or preheating zone gas vent (A102) is connected to nitrogen heat exchanger by the 4th conveyance conduit (L7)
(A904) entrance or preheating zone gas vent (A102) of heating medium passage are connected to by the 4th conveyance conduit (L7)
Cooling zone gas access (A401).
7. active carbon Analytic Tower described in any one of -4,6 according to claim 1, it is characterised in that: steam outlet (A7) is logical
It crosses the 5th conveyance conduit (L8) and is delivered to former smoke conveying duct；SRG gas vent (A8) passes through SRG gas transmission pipeline (L9)
It is delivered to acid making system.
8. active carbon Analytic Tower according to claim 5, it is characterised in that: steam outlet (A7) passes through the 5th delivery pipe
(L8) is delivered to former smoke conveying duct in road；SRG gas vent (A8) is delivered to relieving haperacidity system by SRG gas transmission pipeline (L9)
System.
9. the active carbon Analytic Tower according to any one of claim 2-4, it is characterised in that: cooling gas conveyance conduit
(L1) it is equipped with cooling wind blower (A10)；Hot blast conveying pipe road (L2) is equipped with air-heater (A11).
10. active carbon Analytic Tower described in any one of -4,6,8 according to claim 1, it is characterised in that: preheating zone (A1), water
Steam resolver (A2), pollutant resolver (A3) and cooling zone (A4) are shell structure.
11. active carbon Analytic Tower according to claim 5, it is characterised in that: preheating zone (A1), vapor resolver
(A2), pollutant resolver (A3) and cooling zone (A4) is shell structure.
12. active carbon Analytic Tower according to claim 7, it is characterised in that: preheating zone (A1), vapor resolver
(A2), pollutant resolver (A3) and cooling zone (A4) is shell structure.
13. active carbon Analytic Tower according to claim 9, it is characterised in that: preheating zone (A1), vapor resolver
(A2), pollutant resolver (A3) and cooling zone (A4) is shell structure.
14. active carbon Analytic Tower according to claim 4, it is characterised in that: First Heat Exchanger (A901), the second heat exchanger
(A902), third heat exchanger (A903) is electric heater.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101321.0U CN208894235U (en) | 2018-07-12 | 2018-07-12 | A kind of novel absorbent charcoal Analytic Tower |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821101321.0U CN208894235U (en) | 2018-07-12 | 2018-07-12 | A kind of novel absorbent charcoal Analytic Tower |
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| Publication Number | Publication Date |
|---|---|
| CN208894235U true CN208894235U (en) | 2019-05-24 |
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ID=66567385
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745331A (en) * | 2018-07-12 | 2018-11-06 | 中冶长天国际工程有限责任公司 | A kind of novel absorbent charcoal Analytic Tower and activated carbon parsing technique |
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2018
- 2018-07-12 CN CN201821101321.0U patent/CN208894235U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108745331A (en) * | 2018-07-12 | 2018-11-06 | 中冶长天国际工程有限责任公司 | A kind of novel absorbent charcoal Analytic Tower and activated carbon parsing technique |
| CN108745331B (en) * | 2018-07-12 | 2024-02-13 | 中冶长天国际工程有限责任公司 | Novel activated carbon analysis tower and activated carbon analysis process |
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