CN209379007U - A kind of novel absorbent charcoal Analytic Tower - Google Patents
A kind of novel absorbent charcoal Analytic Tower Download PDFInfo
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- CN209379007U CN209379007U CN201821675380.9U CN201821675380U CN209379007U CN 209379007 U CN209379007 U CN 209379007U CN 201821675380 U CN201821675380 U CN 201821675380U CN 209379007 U CN209379007 U CN 209379007U
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Abstract
The utility model provides a kind of novel absorbent charcoal Analytic Tower, includes the bringing-up section being arranged from top to bottom, First Transition section, transition cooling section, the second changeover portion and heat exchange cooling section by active carbon Analytic Tower；Transition cooling section, the second changeover portion collectively form " buffer area ", so that First Transition section is not directly contacted with heat exchange cooling section, avoid active carbon sharp temperature drop in Analytic Tower, to prevent active carbon in the non-open surface fouling of cooling section upper perforated plate, prevent Analytic Tower from blocking and being corroded.Simultaneously as " buffer area " is arranged, avoids " bridging " active carbon and directly fall to the case where parsing tower bottom causes spontaneous combustion.
Description
Technical field
It is particularly a kind of to prevent fouling and active carbon spontaneous combustion the utility model relates to a kind of active carbon Thermal desorption tower
Active carbon parses tower apparatus, belongs to sintering flue gas process field.
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.In entire resolving,
The upper perforated plate upper active charcoal temperature of cooling section heat exchanger is about 400 DEG C (heats to get off for bringing-up section band), is mixed in active carbon
There is certain parsing gas, ingredient is mainly vapor, SO2、SO3、NH3, dust etc.；And under the upper perforated plate of cooling section heat exchanger
Portion's cooling air temperature is only about 100 DEG C.Cooling section upper perforated plate is metal material, and heat transfer property is very good, once active carbon
It flows and is deteriorated in Analytic Tower, upper perforated plate and the active carbon temperature close to upper perforated plate will be reduced quickly, solution in this amount of activated charcoal
Gassing body mixes dust in the surface scale of the non-aperture of upper perforated plate because liquid water and ammonium salt crystal will be precipitated in condensation.After fouling,
The active carbon of fouling stops non-fouling active carbon flowing, and active carbon mobility continues to be deteriorated, be adsorbed on dirty body, and dirty body continues to grow
Greatly, until the blanking hole of blocking heat exchanger, causes Analytic Tower fouling blockage and corrosion.
In addition to this, the active carbon in active carbon Analytic Tower is grain structure, and " bridging " is easy to appear in changeover portion
Situation, if there is active carbon " bridging ", as shown in figure 8, leading to the active carbon stream below " bridging " in Analytic Tower cooling section
Dynamic pipeline is sky, before the discharge gate discharge below the active carbon in the pipeline analytically tower, and is certainly existed at blow-off valve
The situation of leaking out of air, the enough oxygen content into the air in Analytic Tower, air along hole active carbon flow duct
Into changeover portion, at 400 DEG C or more the spontaneous combustion of active carbon easily occurs for the active carbon temperature in changeover portion, damage Analytic Tower and
Active carbon in Analytic Tower.In addition, if there is the case where " bridging ", due to the flowing of active carbon in bringing-up section or changeover portion,
The active carbon of " bridging " is easy " Tower Bridge ", and 400 DEG C or more of active carbon is caused directly to fall near Analytic Tower bottom discharging mouth
Active carbon on, parsing tower bottom leaks into oxygen content in the air in Analytic Tower from discharge gate due to the presence of discharge gate, 400
DEG C or more active carbon fall down, easily cause active carbon Analytic Tower discharge gate neighbouring position burn, and burn activity
Charcoal is fed directly to the equipment such as adsorption tower from discharge gate discharge, and the oxygen content adsorbed in tower is more sufficient, suction of easily igniting
Active carbon in attached tower, consequence are hardly imaginable.
Utility model content
For in the prior art, be easy to appear in active carbon Analytic Tower fouling condition, active carbon " bridging " cause active carbon
The problem of spontaneous combustion, exists the purpose of this utility model is that making the temperature of adsorption tower cooling section upper end close to the temperature of heating zone
One buffer area prevents active carbon fouling on the upper perforated plate of adsorption tower cooling section, and Analytic Tower is caused to block and corrode；It sets simultaneously
" buffer area " is set, " bridging " is avoided to lead to the spontaneous combustion of active carbon.The utility model provides a kind of novel absorbent charcoal Analytic Tower, will live
Property charcoal Analytic Tower include the bringing-up section being arranged from top to bottom, First Transition section, transition cooling section, the second changeover portion and heat exchange cooling
Section；Transition cooling section, the second changeover portion collectively form " buffer area ", so that First Transition section does not connect directly with heat exchange cooling section
Touching, avoids active carbon sharp temperature drop in Analytic Tower, to prevent active carbon in the non-aperture table of cooling section upper perforated plate
Face fouling prevents Analytic Tower from blocking and being corroded.Simultaneously as " buffer area " is arranged, avoids " bridging " active carbon and directly fall
Fall on the case where parsing tower bottom causes spontaneous combustion.
Embodiment according to the present utility model provides a kind of novel absorbent charcoal Analytic Tower.
A kind of novel absorbent charcoal Analytic Tower, the active carbon Analytic Tower include the bringing-up section being arranged from top to bottom, First Transition
Section, transition cooling section, the second changeover portion and heat exchange cooling section.Bringing-up section, transition cooling section and heat exchange cooling section are shell knot
Structure.
Preferably, the lower part of bringing-up section is equipped with heating gas inlet, the top of bringing-up section is exported equipped with heat gas.Add
Hot gas outlet is connected to the gas access of hot-blast stove by first pipe, and the gas vent of hot-blast stove is connected by second pipe
To heating gas inlet.The lower part of heat exchange cooling section is equipped with heat exchange cooling gas inlet, and the top for the cooling section that exchanges heat is equipped with heat exchange
Cooling gas outlet.Heat exchange cooling gas inlet is connect by third pipeline with cooling blower.It is set on the side wall of First Transition section
There is SRG gas vent.Transition cooling section is confined space.
Preferably, the lower part of transition cooling section is equipped with transition cooling gas inlet, the top of transition cooling section was equipped with
Cross cooling gas outlet.
Preferably, the lower part of bringing-up section is equipped with heating gas inlet, the top of bringing-up section is exported equipped with heat gas.Add
Hot gas outlet is connected to the gas access of hot-blast stove by first pipe, and the gas vent of hot-blast stove is connected by second pipe
To heating gas inlet.It is the 4th pipeline that second pipe, which separates one article of branch, and the 4th pipeline is connected to transition cooling section gas and enters
Mouthful, transition cooling section gas vent is connected to bringing-up section by the 5th pipeline or is incorporated into first pipe.
Preferably, the lower part of bringing-up section is equipped with heating gas inlet, the top of bringing-up section is exported equipped with heat gas.Add
Hot gas outlet is connected to the gas access of hot-blast stove by first pipe, and the gas vent of hot-blast stove is connected by second pipe
To heating gas inlet.It is the 6th pipeline that first pipe, which separates one article of branch, and the 6th pipeline is connected to transition cooling section gas and enters
Mouthful.
Preferably, transition cooling section and heat exchange cooling section height ratio be 1:1-50, preferably 1:2-30, more preferably
1:3-20。
Preferably, the height ratio of First Transition section and the second changeover portion is 1:0.01-10, preferably 1:0.05-5, more
Preferably 1:0.1-1.
Preferably, being equipped with temperature-detecting device in the second changeover portion；
Preferably, the 4th pipeline or the 6th pipeline are equipped with regulating valve.
A kind of active carbon analytic method uses the parsing active carbon of active carbon Analytic Tower described in the first embodiment
Method, method includes the following steps:
1) active carbon for having adsorbed pollutant enters active carbon Analytic Tower from the feed inlet of active carbon Analytic Tower, has adsorbed dirt
The active carbon for contaminating object under the effect of gravity, moves from up to down, successively by the bringing-up section of active carbon Analytic Tower, First Transition
Section, transition cooling section, the second changeover portion and heat exchange cooling section, are then discharged from the discharge gate of active carbon Analytic Tower；
2) active carbon for having adsorbed pollutant is heated in bringing-up section, is decomposed and is parsed, subsequently into the first mistake
Section is crossed, the pollutant for decomposing and parsing is discharged from the SRG gas vent of First Transition section；
3) active carbon after having parsed enters transition cooling section, and first passing through transition cooling section, to carry out transition cooling, into the
Then two changeover portions enter back into heat exchange cooling section and carry out heat exchange cooling, discharge of the active carbon after cooling from active carbon Analytic Tower
Mouth discharge.
It is that separate one article of branch be the 4th pipe for the second pipe of bringing-up section conveying heat gas preferably, in step 3)
A part in gas that hot-blast stove generates is delivered to transition cooling section gas access by road, the 4th pipeline, cooling by transition
Gas after section to bringing-up section or is incorporated into the first pipe by transition cooling section gas vent, then by the 5th pipeline
Road.
Preferably, the gas after bringing-up section exchanges heat, exports from heat gas and is discharged, be delivered to by first pipe
The gas access of hot-blast stove, it is the 6th pipeline that first pipe, which separates one article of branch, and the 6th pipeline will be after bringing-up section exchanges heat
A part in gas is delivered to transition cooling section gas access.
Preferably, the temperature in temperature-detecting device detection transition cooling section controls transition cooling section by regulating valve
Interior temperature is 150-400 DEG C, preferably 180-350 DEG C, more preferably 200-320 DEG C.
Through inspection information it is found that carbon steel heat transfer coefficient 48.85W/ (m DEG C), air conduction coefficient 0.0317W/ (m
DEG C), since the thermal coefficient of air is low, parsing active carbon that can effectively to cooling section upper end (or in First Transition section)
It is isolated with the heat transfer of the cooling air in heat exchange cooling section.
Century-old in flue gas adsorption treatment technical operation, active carbon Analytic Tower is used for the Dissociative adsorption active carbon of pollutant,
Enter the active carbon in active carbon Analytic Tower by high-temperature heating (indirect heating), so that the pollutant parsing adsorbed in active carbon
With separate, then the gas containing pollutant is delivered to the techniques such as the acid making system in downstream recycled and handled.Through
Active carbon after crossing active carbon Analytic Tower bringing-up section, eliminates the pollutant wherein adsorbed, cools down after cooling section, so
After be recycled to the devices such as adsorption tower recycling.But active carbon is heated to 400 DEG C or so in bringing-up section, subsequently into
Cooling section, the interior input of cooling section is that normal temperature air is cooled down.In general, cooling section upper section (close to the position of changeover portion) by
In the presence of cooling gas, temperature is generally 100-150 DEG C or so, even lower than 100 DEG C, and the top of cooling section is transition
Section, changeover portion is interior containing a large amount of parsing gas, and the ingredient for parsing gas is mainly vapor, SO2、SO3、NH3, dust etc., mistake
The top for crossing section is bringing-up section, and temperature is 400 DEG C or more, parses gas in changeover portion, sharply due to the temperature in cooling section
It reduces, because liquid water and ammonium salt crystal will be precipitated in condensation in resolution gas body, mixes dust in the surface scale of the non-aperture of upper perforated plate.
Precisely due to parsing gas is influenced in changeover portion by cooling gas in cooling section, parsing gas is easily condensed, and is caused
Active carbon is in cooling section upper perforated plate fouling.And the ingredients such as the vapor in gas, ammonium, sulfide are parsed because condensation programs
The substances such as liquid water, ammonium salt crystal and sulfate, Analytic Tower are metal structure, and upper perforated plate is metal material, condensed substance
It is huge to the corrosiveness of Analytic Tower, especially upper perforated plate, cause the damage of Analytic Tower.Simultaneously as fouling on upper perforated plate
Occur, influences proper flow of the active carbon in Analytic Tower, further increase the generation of fouling.
It in the present invention, include the bringing-up section being arranged from top to bottom, First Transition section, transition by active carbon Analytic Tower
Cooling section, the second changeover portion and heat exchange cooling section.Transition cooling section, the second changeover portion collectively constitute " buffer area ", " buffer area "
By First Transition section (being equivalent to changeover portion in the prior art) and heat exchange cooling section (being equivalent to cooling section in the prior art)
Separate, the interior air avoided in the active carbon and heat exchange cooling section in First Transition section is direct by upper perforated plate (steel plate)
Contact.It is normally passed through cooling gas in heat exchange cooling section, active carbon is cooled down.
In the present invention, bringing-up section, transition cooling section and heat exchange cooling section are shell structure, and recuperated gas walks shell
Journey, active carbon walk tube side, and active carbon and recuperated gas pass through indirect heat exchange.Wherein, in bringing-up section, heated gas heats heating
Active carbon in section parses the pollutant adsorbed in active carbon so that active carbon temperature in the section increases.It is cooled down in heat exchange
In section, then the active carbon in cooling gas cooling heat transferring cooling section passes through parsing so that active carbon temperature in the section reduces
The discharge of tower discharge gate, is recycled to the equipment such as adsorption tower and continues to use.First Transition section and the second changeover portion are holostrome active carbon knot
Structure.Wherein: First Transition section is for being discharged the pollutant parsed from active carbon, and the gas containing pollutant is from First Transition
SRG gas vent discharge on section side wall.Second changeover portion is used for buffers active charcoal, avoids entering cooling due to First Transition section
There is the case where " bridging " in fragment position (upper tube Board position)；Due to the presence of the second changeover portion, though First Transition section enter it is cold
But there is the case where " bridgings " in fragment position (upper tube Board position), and still active charcoal is deposited for the second changeover portion and the cooling section that exchanges heat
Playing the role of material envelope, is avoiding air from blow-off valve and leak into Analytic Tower, directly contacted with high temperature active charcoal.
In transition cooling section, closed space can be.By the way that one section of transition cooling section is arranged, due to air conduction system
Number is far smaller than carbon steel heat transfer coefficient, and there are the transition cooling sections of one section of air exclusion for First Transition section and heat exchange cooling section centre
With the second changeover portion, play good heat insulation, avoid active carbon in First Transition section with heat exchange cooling section in temperature
Greatest differences lead to quick refrigeration.Due to the presence of transition cooling section and the second changeover portion, active carbon is in First Transition section
Temperature be 400 DEG C or so, by the buffering of transition cooling section and the second changeover portion, enter back into heat exchange cooling section with it is cooling
Gas converting heat is cooling, and transition cooling section and the second changeover portion are located between changeover portion and heat exchange cooling section, plays temperature buffer
Effect, avoids the sharply temperature drop of active carbon, so as to avoid the generation of parsing gas condensation situations, effectively prevents fouling.
It ensure that proper flow of the active carbon in Analytic Tower, while avoiding corrosion of the fouling to Analytic Tower.
Preferably, gas can be passed through in transition cooling section, the temperature being further ensured that in transition cooling section, more added with
Effect plays the role of transition and heat preservation.For example, the temperature in changeover portion is 400 DEG C or so, the temperature to exchange heat in cooling section is
150 DEG C hereinafter, be passed through gas in transition cooling section, guarantee that the temperature in transition cooling section is 150-400 DEG C, thus well
Transitional function is played, so that active carbon realizes that ladder cools down in Analytic Tower, avoids the sharply decline of temperature.
Preferably, it is delivered to gas in transition cooling section, the gas after can be hot wind stove heating, certainly due to Analytic Tower
Body is furnished with hot blast stove system, and a part in the hot wind of hot-blast stove generation is delivered in transition cooling section, guarantees that transition is cooling
Temperature in section.It is also possible to after bringing-up section, from the gas of bringing-up section heat gas outlet discharge, since the position is arranged
Gas out still has 200 DEG C or more of temperature, and it is cold that a part of the gas of heat gas outlet discharge is delivered to transition
But the heat preservation transition to active carbon is carried out in section.It can also be external heat preservation gas, as long as can guarantee in transition cooling section
Temperature be 150-400 DEG C.
Preferably, the gas being discharged out of transition cooling section, can be delivered to the upper section of bringing-up section or by first
Pipeline is fed directly to hot-blast stove；There are also utilized the gas of heat to pass through transition cooling section gas transition cooling section
Body exports direct outlet, can be with outlet after having utilized its waste heat since the efflux gas does not generate additional pollutant.
Therefore in this application, the setting of transition cooling section and the second changeover portion will can effectively be in cooling section upper end
It has parsed active carbon (or active carbon in First Transition section) to be isolated with cooling air by space, to prevent
Parsing active carbon is cooled in cooling section upper section, and condensation vapor leads to fouling.
In the present invention, the high-temperature gas that hot-blast stove is accessed in transition cooling section, can make the temperature in transition cooling section
Degree is higher than the temperature in cooling section, i.e. temperature in transition cooling section is higher than the temperature in heat exchange cooling section, has parsed active carbon
It will not be in cooling section upper perforated plate condensation liquid water and ammonium salt crystal.
In the present invention, transition cooling section, the second changeover portion collectively constitute " buffer area ", it is possible to prevente effectively from as schemed
Active carbon shown in 8 " bridging " situation.The novel absorbent charcoal Analytic Tower of the utility model, due to being provided with transition cooling section, the
There is " bridging " when the active carbon in First Transition section enters cooling section (the transition cooling section of the utility model) in two changeover portions
The case where, since lower section is there are also the second changeover portion and heat exchange cooling section, active carbon is holostrome active carbon shape in the second changeover portion
State, the second changeover portion and the active carbon to exchange heat in cooling section can still play the role of material envelope, avoid air and enter high temperature
Active carbon region.Further, since the presence of transition cooling section, even if there is the case where " Tower Bridge " in the active carbon of " bridging ", activity
Charcoal is directly fallen, since transition cooling section can play the effect of heat preservation and temperature buffer, the active carbon in the second changeover portion according to
So with 200 DEG C or more of high temperature, also avoids be discharged out of First Transition section 400 DEG C or more of high temperature active charcoal and directly fall
Onto 100 DEG C or so of active carbons, so as to avoid the sharp temperature drop of active carbon.
Using the novel absorbent charcoal Analytic Tower of the utility model, can occur in First Transition section to avoid resolution gas body cold
Solidifying situation, avoids active carbon structure in Analytic Tower, prevents or significantly reduce the generation of corrosion；Simultaneously as transition is cold
The presence of " buffer area " that but section, the second changeover portion are constituted, avoids high temperature active charcoal and directly falls to parsing tower bottom, prevent
High temperature active charcoal is contacted with oxygen content air abundant, so that the spontaneous combustion for effectively preventing active carbon occurs, ensure that parsing
The normal operation and security performance of tower；In addition, the active carbon for also avoiding burning enters the equipment such as subsequent adsorption tower, protect significantly
Safety in production is demonstrate,proved.
Active carbon Analytic Tower is included cleverly the bringing-up section being arranged from top to bottom, first by the Analytic Tower of the utility model
Changeover portion, transition cooling section, the second changeover portion and heat exchange cooling section.So that transition cooling section, the second changeover portion are naturally formed
One " buffer area " greatly improves the production security of Analytic Tower, avoids temperature sharp fall of the active carbon in Analytic Tower,
Avoiding active carbon Tower Bridge simultaneously causes high temperature active charcoal to contact with the air of rich oxygen content, prevents active carbon spontaneous combustion or burning
Generation.
In the present invention, the height of transition cooling section and the height of heat exchange cooling section refer to along active carbon Analytic Tower
Short transverse.In general, the height of heat exchange cooling section is less than or equal to the height of heat exchange cooling section.Transition cooling section primarily serves
Transition and buffer function avoid active carbon quick refrigeration or to the cold in changeover portion, avoid the active carbon in First Transition section
It is cooled the influence of cooling gas in section and condensation situations occurs, to avoid or reduce the generation of fouling.Heat exchange cooling
The effect of section is cooling active carbon, and active carbon is cooling by indirect heat exchange with cooling gas in heat exchange cooling section, reduces activity
The temperature of charcoal.
In the present invention, temperature-detecting device is used to detect the temperature in transition cooling section.First regulating valve purposes
The amount for entering gas in transition cooling section is adjusted, to guarantee that the temperature in transition cooling section is maintained at 150-400 DEG C of range
It is interior, in the range of preferably 180-350 DEG C, in the range of more preferably 200-320 DEG C.
In the present invention, regulating valve is arranged in the upstream of hot air circulation blower, and bringing-up section and transition cooling section is adjusted
Interior air circulation.
Preferably, the device further include: cooling blower；The cold wind outlet of cooling blower is connected to cold via the 5th pipeline
But the cooling gas import of section；Cooling gas outlet is communicated with the atmosphere.
In the present invention, cooling blower provides gas at normal temperature for the heat exchanger of cooling section, takes away activity by heat exchange
The heat of charcoal, to have parsed active carbon cooling.
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 15 meters or so.The height of cooling section is 3-20 meters, preferably 5-15 meters, more preferably 6-10 meters.
Compared with prior art, the novel absorbent charcoal Analytic Tower of the utility model has the advantages that
1, in the utility model, active carbon Analytic Tower includes that the bringing-up section being arranged from top to bottom, First Transition section, transition are cold
But section, the second changeover portion and heat exchange cooling section, transition cooling section, the second changeover portion collectively constitute " buffer area ", and buffer area is to work
Property charcoal has a transitional function in Analytic Tower, and temperature will not reduce suddenly, in the upper perforated plate i.e. First Transition of cooling section
Non flouling behaviour on the bottom plate of section, the case where effectively preventing blocking and corrode.
2, due to the presence of " buffer area ", temperature in " buffer area " is 200 DEG C or so, while lower section also exchanges heat cooling
Section plays the role of material envelope, effectively prevents air from blow-off valve and enters the higher active carbon region of temperature, to effectively avoid
The spontaneous combustion of active carbon in Analytic Tower.
3, in the utility model, the high-temperature gas of access hot-blast stove, can make the temperature in transition cooling section in transition cooling section
Degree is higher than the temperature in heat exchange cooling section, i.e., active carbon be then fully cooled again in cooling section by temp buffer from
And guarantees the active carbon after by Thermal desorption and will not be in upper perforated plate condensation liquid water and ammonium salt crystal；
4, in the utility model, the gas vent of transition cooling section connects the heat outlet of bringing-up section or is recycled to hot wind
Furnace, i.e. transition cooling section and the gas of bringing-up section can return to hot-blast stove through hot air circulation blower, be heated again, and heat is reduced
It is lost.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of good antiscale property active carbon Analytic Tower of the utility model；
Fig. 2 is the structure that transition cooling section is equipped with gas inlet-outlet in a kind of good antiscale property active carbon Analytic Tower of the utility model
Schematic diagram；
Fig. 3 is that the heat exchanger gas of transition cooling section in a kind of good antiscale property active carbon Analytic Tower of the utility model carrys out Self-air-heating
Furnace gases, discharge gas are delivered to bringing-up section structural schematic diagram；
Fig. 4 is that the heat exchanger gas of transition cooling section in a kind of good antiscale property active carbon Analytic Tower of the utility model carrys out Self-air-heating
Furnace gases, discharge gas are delivered to hot-blast stove structural schematic diagram；
Fig. 5 is that the heat exchanger gas of transition cooling section in a kind of good antiscale property active carbon Analytic Tower of the utility model carrys out self-heating
Section discharge gas, discharge gas are delivered to the structural schematic diagram of bringing-up section；
Fig. 6 is that the heat exchanger gas of transition cooling section in a kind of good antiscale property active carbon Analytic Tower of the utility model carrys out self-heating
Section discharge gas, discharge gas are delivered to the structural schematic diagram of hot-blast stove；
Fig. 7 is a kind of use state diagram of good antiscale property active carbon Analytic Tower of the utility model；
Fig. 8 is the schematic diagram of active carbon bridging blocking inside prior art active carbon Analytic Tower.
Appended drawing reference:
A: active carbon Analytic Tower；1: bringing-up section；101: heating gas inlet；102: heat gas outlet；2: First Transition
Section；3: transition cooling section；301: transition cooling gas inlet；302: the outlet of transition cooling gas；4: the second changeover portions；5: changing
Hot cooling section；501: heat exchange cooling gas inlet；502: the outlet of heat exchange cooling gas；6: hot-blast stove；7: cooling blower；8: temperature
Detection device；9: regulating valve；10:SRG gas vent；L1: first pipe；L2: second pipe；L3: third pipeline；L4: the four
Pipeline；L5: the five pipeline；L6: the six pipeline.
Specific embodiment
A kind of novel absorbent charcoal Analytic Tower, active carbon Analytic Tower A include the bringing-up section 1 being arranged from top to bottom, the first mistake
Cross section 2, transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5.Bringing-up section 1, transition cooling section 3 and heat exchange cooling section 5
It is shell structure；Wherein: the height of active carbon Analytic Tower A is 8-30 meters.
Preferably, the lower part of bringing-up section 1 is equipped with heating gas inlet 101, the top of bringing-up section 1 goes out equipped with heat gas
Mouth 102.Heat gas outlet 102 is connected to the gas access of hot-blast stove 6, the gas vent of hot-blast stove 6 by first pipe L1
Heating gas inlet 101 is connected to by second pipe L2.The lower part of heat exchange cooling section 5 is equipped with heat exchange cooling gas inlet 501,
The top of heat exchange cooling section 5 is equipped with heat exchange cooling gas outlet 502.Exchange heat cooling gas inlet 501 by third pipeline L3 with
Cooling blower 7 connects.The side wall of First Transition section 2 is equipped with SRG gas vent 10.Transition cooling section 3 is confined space.
Preferably, the lower part of transition cooling section 3 is equipped with transition cooling gas inlet 301, the top of transition cooling section 3 is set
There is transition cooling gas to export 302.
Preferably, the lower part of bringing-up section 1 is equipped with heating gas inlet 101, the top of bringing-up section 1 goes out equipped with heat gas
Mouth 102.Heat gas outlet 102 is connected to the gas access of hot-blast stove 6, the gas vent of hot-blast stove 6 by first pipe L1
Heating gas inlet 101 is connected to by second pipe L2.It is the 4th pipeline L4, the 4th pipe that second pipe L2, which separates one article of branch,
Road L4 is connected to transition cooling section gas access 301.Transition cooling section gas vent 302 is connected to heating by the 5th pipeline L5
Section 1 is incorporated into first pipe L1.
Preferably, the lower part of bringing-up section 1 is equipped with heating gas inlet 101, the top of bringing-up section 1 goes out equipped with heat gas
Mouth 102.Heat gas outlet 102 is connected to the gas access of hot-blast stove 6, the gas vent of hot-blast stove 6 by first pipe L1
Heating gas inlet 101 is connected to by second pipe L2.It is the 6th pipeline L6, the 6th pipe that first pipe L1, which separates one article of branch,
Road L6 is connected to transition cooling section gas access 301.
Preferably, transition cooling section 3 and heat exchange cooling section 5 height ratio be 1:1-50, preferably 1:2-30, more preferably
For 1:3-20.
Preferably, the height ratio of First Transition section 2 and the second changeover portion 4 be 1:0.01-10, preferably 1:0.05-5,
More preferably 1:0.1-1.
Preferably, being equipped with temperature-detecting device 8 in the second changeover portion 4.
Preferably, the 4th pipeline L4 or the 6th pipeline L6 is equipped with regulating valve 9.
Embodiment 1
As shown in Figure 1, a kind of novel absorbent charcoal Analytic Tower, active carbon Analytic Tower A includes the heating being arranged from top to bottom
Section 1, First Transition section 2, transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5.It bringing-up section 1, transition cooling section 3 and changes
Hot cooling section 5 is shell structure；Wherein: the height of active carbon Analytic Tower A is 24 meters.
Embodiment 2
A kind of novel absorbent charcoal Analytic Tower, active carbon Analytic Tower A include the bringing-up section 1 being arranged from top to bottom, the first mistake
Cross section 2, transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5.Bringing-up section 1, transition cooling section 3 and heat exchange cooling section 5
It is shell structure.
The lower part of bringing-up section 1 is equipped with heating gas inlet 101, and the top of bringing-up section 1 is equipped with heat gas outlet 102.Add
Hot gas outlet 102 is connected to the gas access of hot-blast stove 6 by first pipe L1, and the gas vent of hot-blast stove 6 passes through second
Pipeline L2 is connected to heating gas inlet 101.The lower part of heat exchange cooling section 5 is equipped with heat exchange cooling gas inlet 501, exchanges heat cold
But the top of section 5 is equipped with heat exchange cooling gas outlet 502.The cooling gas inlet 501 that exchanges heat passes through third pipeline L3 and cooling wind
Machine 7 connects.The side wall of First Transition section 2 is equipped with SRG gas vent 10.Transition cooling section 3 is confined space.
Embodiment 3
As shown in Fig. 2, a kind of novel absorbent charcoal Analytic Tower, active carbon Analytic Tower A includes the heating being arranged from top to bottom
Section 1, First Transition section 2, transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5.It bringing-up section 1, transition cooling section 3 and changes
Hot cooling section 5 is shell structure.
The lower part of transition cooling section 3 is equipped with transition cooling gas inlet 301, and it is cold that the top of transition cooling section 3 is equipped with transition
But gas vent 302.Temperature-detecting device 8 is equipped in second changeover portion 4.4th pipeline L4 or the 6th pipeline L6, which is equipped with, to be adjusted
Valve 9.
Embodiment 4
As shown in figure 3, repeating embodiment 3, only the lower part of bringing-up section 1 is equipped with heating gas inlet 101, bringing-up section 1
Top is equipped with heat gas outlet 102.Heat gas outlet 102 is connected to the gas access of hot-blast stove 6 by first pipe L1,
The gas vent of hot-blast stove 6 is connected to heating gas inlet 101 by second pipe L2.Second pipe L2 separates a branch
4th pipeline L4, the 4th pipeline L4 are connected to transition cooling section gas access 301.Transition cooling section gas vent 302 passes through the
Five pipeline L5 are connected to bringing-up section 1.
Embodiment 5
As shown in figure 4, repeating embodiment 3, only the lower part of bringing-up section 1 is equipped with heating gas inlet 101, bringing-up section 1
Top is equipped with heat gas outlet 102.Heat gas outlet 102 is connected to the gas access of hot-blast stove 6 by first pipe L1,
The gas vent of hot-blast stove 6 is connected to heating gas inlet 101 by second pipe L2.Second pipe L2 separates a branch
4th pipeline L4, the 4th pipeline L4 are connected to transition cooling section gas access 301.Transition cooling section gas vent 302 passes through the
Five pipeline L5 are incorporated into first pipe L1.
Embodiment 6
As shown in figure 5, repeating embodiment 3, only the lower part of bringing-up section 1 is equipped with heating gas inlet 101, bringing-up section 1
Top is equipped with heat gas outlet 102.Heat gas outlet 102 is connected to the gas access of hot-blast stove 6 by first pipe L1,
The gas vent of hot-blast stove 6 is connected to heating gas inlet 101 by second pipe L2.First pipe L1 separates a branch
6th pipeline L6, the 6th pipeline L6 are connected to transition cooling section gas access 301.
Embodiment 7
Embodiment 4 is repeated, only the height ratio of transition cooling section 3 and heat exchange cooling section 5 is 1:5, First Transition section 2 and the
The height ratio of two changeover portions 4 is 1:0.05.
Embodiment 8
Repeat embodiment 5, only transition cooling section 3 and heat exchange cooling section 5 height ratio be 1:20, First Transition section 2 with
The height ratio of second changeover portion 4 is 1:0.1；Wherein: the height of active carbon Analytic Tower A is 12 meters.
Embodiment 9
Repeat embodiment 6, only transition cooling section 3 and heat exchange cooling section 5 height ratio be 1:30, First Transition section 2 with
The height ratio of second changeover portion 4 is 1:0.5；Wherein: the height of active carbon Analytic Tower A is 28 meters.
Embodiment 10
A kind of active carbon analytic method or the method using active carbon Analytic Tower described in embodiment 2, this method includes following
Step:
1) active carbon for having adsorbed pollutant enters active carbon Analytic Tower A from the feed inlet of active carbon Analytic Tower A, absorption
The active carbon of pollutant under the effect of gravity, moves from up to down, successively passes through bringing-up section 1, the first mistake of active carbon Analytic Tower A
Section 2, transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5 are crossed, is then discharged from the discharge gate of active carbon Analytic Tower A；
2) active carbon for having adsorbed pollutant is heated in bringing-up section 1, is decomposed and is parsed, subsequently into the first mistake
Section 2 is crossed, the pollutant for decomposing and parsing is discharged from the SRG gas vent 10 of First Transition section 2；
3) active carbon after having parsed enters transition cooling section 3, first passes through transition cooling section 3 and carries out transition cooling, enters
Then second changeover portion 4 enters back into heat exchange cooling section 5 and carries out heat exchange cooling, active carbon after cooling is from active carbon Analytic Tower A's
Discharge gate discharge.
Embodiment 11
A kind of active carbon analytic method or the method using active carbon Analytic Tower described in embodiment 4, this method includes following
Step:
1) active carbon for having adsorbed pollutant enters active carbon Analytic Tower A from the feed inlet of active carbon Analytic Tower A, absorption
The active carbon of pollutant under the effect of gravity, moves from up to down, successively passes through bringing-up section 1, the first mistake of active carbon Analytic Tower A
Section 2, transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5 are crossed, is then discharged from the discharge gate of active carbon Analytic Tower A；
2) active carbon for having adsorbed pollutant is heated in bringing-up section 1, is decomposed and is parsed, subsequently into the first mistake
Section 2 is crossed, the pollutant for decomposing and parsing is discharged from the SRG gas vent 10 of First Transition section 2；
3) active carbon after having parsed enters transition cooling section 3, first passes through transition cooling section 3 and carries out transition cooling, enters
Then second changeover portion 4 enters back into heat exchange cooling section 5 and carries out heat exchange cooling, active carbon after cooling is from active carbon Analytic Tower A's
Discharge gate discharge.
Wherein: being that bringing-up section 1 conveys the second pipe L2 of heat gas to separate one article of branch be the 4th pipeline in step 3)
A part in gas that hot-blast stove 6 generates is delivered to transition cooling section gas access 301 by L4, the 4th pipeline L4, is passed through
Gas after crossing cooling section 3 is by transition cooling section gas vent 302, then is delivered to bringing-up section 1 by the 5th pipeline L5.
Temperature-detecting device 8 detects the temperature in transition cooling section 3, by adjusting regulating valve 9, controls transition cooling section 3
In the range of interior temperature is 150-400 DEG C.
Embodiment 12
A kind of active carbon analytic method or the method using active carbon Analytic Tower described in embodiment 5, this method includes following
Step:
1) active carbon for having adsorbed pollutant enters active carbon Analytic Tower A from the feed inlet of active carbon Analytic Tower A, absorption
The active carbon of pollutant under the effect of gravity, moves from up to down, successively passes through bringing-up section 1, the first mistake of active carbon Analytic Tower A
Section 2, transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5 are crossed, is then discharged from the discharge gate of active carbon Analytic Tower A；
2) active carbon for having adsorbed pollutant is heated in bringing-up section 1, is decomposed and is parsed, subsequently into the first mistake
Section 2 is crossed, the pollutant for decomposing and parsing is discharged from the SRG gas vent 10 of First Transition section 2；
3) active carbon after having parsed enters transition cooling section 3, first passes through transition cooling section 3 and carries out transition cooling, enters
Then second changeover portion 4 enters back into heat exchange cooling section 5 and carries out heat exchange cooling, active carbon after cooling is from active carbon Analytic Tower A's
Discharge gate discharge.
Wherein: being that bringing-up section 1 conveys the second pipe L2 of heat gas to separate one article of branch be the 4th pipeline in step 3)
A part in gas that hot-blast stove 6 generates is delivered to transition cooling section gas access 301 by L4, the 4th pipeline L4, is passed through
Gas after crossing cooling section 3 is by transition cooling section gas vent 302, then is incorporated into first pipe L1 by the 5th pipeline L5.
Temperature-detecting device 8 detects the temperature in transition cooling section 3, by adjusting regulating valve 9, controls transition cooling section 3
In the range of interior temperature is 180-350 DEG C.
Embodiment 13
A kind of active carbon analytic method or the method using active carbon Analytic Tower described in embodiment 4, this method includes following
Step:
1) active carbon for having adsorbed pollutant enters active carbon Analytic Tower A from the feed inlet of active carbon Analytic Tower A, absorption
The active carbon of pollutant under the effect of gravity, moves from up to down, successively passes through bringing-up section 1, the first mistake of active carbon Analytic Tower A
Section 2, transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5 are crossed, is then discharged from the discharge gate of active carbon Analytic Tower A；
2) active carbon for having adsorbed pollutant is heated in bringing-up section 1, is decomposed and is parsed, subsequently into the first mistake
Section 2 is crossed, the pollutant for decomposing and parsing is discharged from the SRG gas vent 10 of First Transition section 2；
3) active carbon after having parsed enters transition cooling section 3, first passes through transition cooling section 3 and carries out transition cooling, enters
Then second changeover portion 4 enters back into heat exchange cooling section 5 and carries out heat exchange cooling, active carbon after cooling is from active carbon Analytic Tower A's
Discharge gate discharge.
Gas after the heat exchange of bringing-up section 1 is delivered to heat by first pipe L1 from 102 discharge of heat gas outlet
The gas access of wind furnace 6, it is the 6th pipeline L6 that first pipe L1, which separates one article of branch, and the 6th pipeline L6 will be changed by bringing-up section 1
A part in gas after heat is delivered to transition cooling section gas access 301.
Temperature-detecting device 8 detects the temperature in transition cooling section 3, by adjusting regulating valve 9, controls transition cooling section 3
In the range of interior temperature is 200-320 DEG C.
Using the good antiscale property active carbon Analytic Tower of the utility model, since the work in thermal insulation board, after bringing-up section is arranged
Property charcoal successively pass through transition cooling section 3, the second changeover portion 4 and heat exchange cooling section 5, transition cooling section 3, the second changeover portion 4 are common
One " buffer area " is formed, buffer area has a transitional function to active carbon in Analytic Tower, and temperature will not reduce suddenly, cold
But non flouling behaviour on the upper perforated plate of section i.e. the bottom plate of First Transition section, the case where effectively preventing blocking and corrosion hair
It is raw.
If be passed through in transition cooling section 3 because then Analytic Tower needs are out of service for the failure of the components such as baiting valve
The recuperated gas of proper temperature exchanges heat with the active carbon of this section, avoids the quick refrigeration of active carbon in Analytic Tower, avoid active carbon
Interior parsing gas will be because liquid water and ammonium salt crystal will be precipitated in condensation, to effectively avoid fouling blockage and corrosion.
In addition, transition cooling section 3, the second changeover portion 4 collectively constitute one " buffer area ", if active carbon is in First Transition
In section 2, there is " bridging " situation into the position of active carbon pipeline, the temperature due to the presence of " buffer area ", in " buffer area "
It is 200 DEG C or so, while there are also heat exchange cooling sections 5 to play the role of material envelope for lower section, effectively prevents air and enter from blow-off valve
The higher active carbon region of temperature, to effectively prevent the spontaneous combustion of active carbon in Analytic Tower.
Claims (12)
1. a kind of novel absorbent charcoal Analytic Tower, it is characterised in that: the active carbon Analytic Tower (A) includes the heating being arranged from top to bottom
Section (1), First Transition section (2), transition cooling section (3), the second changeover portion (4) and heat exchange cooling section (5)；Bringing-up section (1), transition
Cooling section (3) and heat exchange cooling section (5) are shell structure；
Wherein: the height of active carbon Analytic Tower (A) is 8-30 meters.
2. active carbon Analytic Tower according to claim 1, it is characterised in that: the lower part of bringing-up section (1) is equipped with heat gas
Entrance (101), the top of bringing-up section (1) are equipped with heat gas outlet (102), and heat gas outlet (102) passes through first pipe
(L1) it is connected to the gas access of hot-blast stove (6), the gas vent of hot-blast stove (6) is connected to heating gas by second pipe (L2)
Body entrance (101)；The lower part of heat exchange cooling section (5) is equipped with heat exchange cooling gas inlet (501), the top of heat exchange cooling section (5)
Equipped with heat exchange cooling gas outlet (502)；Heat exchange cooling gas inlet (501) passes through third pipeline (L3) and cooling blower (7)
Connection；The side wall of First Transition section (2) is equipped with SRG gas vent (10)；Transition cooling section (3) is confined space.
3. active carbon Analytic Tower according to claim 1, it is characterised in that: the lower part of transition cooling section (3) is equipped with transition
The top of cooling gas inlet (301), transition cooling section (3) is equipped with transition cooling gas outlet (302).
4. active carbon Analytic Tower according to claim 3, it is characterised in that: the lower part of bringing-up section (1) is equipped with heat gas
Entrance (101), the top of bringing-up section (1) are equipped with heat gas outlet (102), and heat gas outlet (102) passes through first pipe
(L1) it is connected to the gas access of hot-blast stove (6), the gas vent of hot-blast stove (6) is connected to heating gas by second pipe (L2)
Body entrance (101)；It is the 4th pipeline (L4) that second pipe (L2), which separates one article of branch, and it is cooling that the 4th pipeline (L4) is connected to transition
Gas access (301), transition cooling gas outlet (302) are connected to bringing-up section (1) or are incorporated by the 5th pipeline (L5)
First pipe (L1).
5. active carbon Analytic Tower according to claim 3, it is characterised in that: the lower part of bringing-up section (1) is equipped with heat gas
Entrance (101), the top of bringing-up section (1) are equipped with heat gas outlet (102), and heat gas outlet (102) passes through first pipe
(L1) it is connected to the gas access of hot-blast stove (6), the gas vent of hot-blast stove (6) is connected to heating gas by second pipe (L2)
Body entrance (101)；It is the 6th pipeline (L6) that first pipe (L1), which separates one article of branch, and it is cooling that the 6th pipeline (L6) is connected to transition
Gas access (301).
6. active carbon Analytic Tower according to any one of claims 1-5, it is characterised in that: transition cooling section (3) with change
The height ratio of hot cooling section (5) is 1:1-50；And/or
The height ratio of First Transition section (2) and the second changeover portion (4) is 1:0.01-10.
7. active carbon Analytic Tower according to claim 6, it is characterised in that: transition cooling section (3) and heat exchange cooling section (5)
Height ratio be 1:2-30.
8. active carbon Analytic Tower according to claim 7, it is characterised in that: transition cooling section (3) and heat exchange cooling section (5)
Height ratio be 1:3-20.
9. active carbon Analytic Tower according to claim 6, it is characterised in that: First Transition section (2) and the second changeover portion (4)
Height ratio be 1:0.05-5.
10. active carbon Analytic Tower according to claim 9, it is characterised in that: First Transition section (2) and the second changeover portion
(4) height ratio is 1:0.1-1.
11. active carbon Analytic Tower according to claim 4, it is characterised in that: be equipped with temperature detection in the second changeover portion (4)
Device (8)；And/or
4th pipeline (L4) is equipped with regulating valve (9).
12. active carbon Analytic Tower according to claim 5, it is characterised in that: be equipped with temperature detection in the second changeover portion (4)
Device (8)；And/or
6th pipeline (L6) is equipped with regulating valve (9).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821675380.9U CN209379007U (en) | 2018-10-16 | 2018-10-16 | A kind of novel absorbent charcoal Analytic Tower |
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| CN201821675380.9U CN209379007U (en) | 2018-10-16 | 2018-10-16 | A kind of novel absorbent charcoal Analytic Tower |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705011A (en) * | 2019-10-25 | 2021-04-27 | 中冶长天国际工程有限责任公司 | Control method and device for hot air fan of analytical tower |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705011A (en) * | 2019-10-25 | 2021-04-27 | 中冶长天国际工程有限责任公司 | Control method and device for hot air fan of analytical tower |
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