CN105056918B - Energy saving and environment friendly active coke regeneration system and method - Google Patents
Energy saving and environment friendly active coke regeneration system and method Download PDFInfo
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- CN105056918B CN105056918B CN201510446811.9A CN201510446811A CN105056918B CN 105056918 B CN105056918 B CN 105056918B CN 201510446811 A CN201510446811 A CN 201510446811A CN 105056918 B CN105056918 B CN 105056918B
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Abstract
The present invention a kind of energy saving and environment friendly active coke regeneration system and method are disclosed, in order to provide a kind of active coke regeneration system of energy-conserving and environment-protective, method and design.The energy saving and environment friendly active coke regeneration system of the present invention, including Analytic Tower, saturated active coke is transported to the saturated active coke conveying arrangement of Analytic Tower, the Analytic Tower is arranged on blast furnace region, wherein described Analytic Tower is connected with blast-furnace hot-air combustion-supporting flue gas exhaust mouthful by hot blast conveying pipe road, and flue gas of the Analytic Tower by the hot air duct quoted from the combustion-supporting flue gas exhaust mouthful output of the blast-furnace hot-air is used as parsing hot gas.
Description
Technical field
The present invention relates to a kind of energy saving and environment friendly active coke regeneration system and method.
Background technology
With the raising of national environmental standard, sintering flue gas desulfurization is existed using dry (half-dried) method sulfur removal technology compared with wet desulphurization
There is more preferable superiority on water and the environmental protection index such as granular material discharged, wherein ripe sulfur removal technology has recirculating fluidized bed half-dried
Method sulfur removal technology (CFB) and rotary spraying technique (SDA) semi-dry desulfurizing process.And the synchronous dry process of desulphurization denitration is current only
Active Jiao's (carbon) absorption method.
The common drawback of circulating fluid bed semi-drying method sulfur removal technology (CFB) and rotary spraying and drying semi-dry desulphurization (SDA)
It is, substantially without denitration efficiency, to apply and there is risk not up to standard, fortune in high concentration (former flue gas sulfur-bearing is more than 2500mg/m3) flue gas
The row electricity charge are higher.There is a risk of collapsing in the operation of fluid-bed sweetening tower.Atomizer is nucleus equipment at the top of rotating spraying desulfurizing tower, is needed
Import is wanted, because rotary speed reaches 15000rpm, easily abrasion needs periodic maintenance, shutdown system more exchange device.
Steel enterprise sintering flue gas is using activated coke (carbon) desulfurizing and denitrifying process both at home and abroad at present, by absorption carbon and again
Raw tower is arranged in set of system.Adsorb the saturated active coke completed and Analytic Tower is sent to using embedded scraper transporter, desorption is used
One jacket heating system, heating flue gas uses the coke-stove gas that pipeline is attracted.Desorption apparatus is de- exclusively for a set of sintering flue gas desulfurization
Nitre system is set, and desorption ability is the several times that absorption produces saturated active coke ability, and daily desorption system only works several hours
, therefore desorption and regeneration system capability is not in full use.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of energy-saving and environmental protection, the complete energy saving and environment friendly work of activated coke twice laid
Property burnt regenerative system.
To reach above-mentioned purpose, energy saving and environment friendly active coke regeneration system of the invention, including Analytic Tower, transport saturated activity
The burnt saturated active coke conveying arrangement to Analytic Tower, the Analytic Tower is arranged on blast furnace region, wherein the Analytic Tower and
The combustion-supporting flue gas exhaust mouthful of blast-furnace hot-air is connected by hot blast conveying pipe road, and the Analytic Tower is by the hot air duct quoted from described
The flue gas of the combustion-supporting flue gas exhaust mouthful output of blast-furnace hot-air is used as parsing hot gas.
Further, in addition to be arranged on the activated coke resolver exit be used for filter out diameter in 0.5cm
Activated coke particle storehouse pump, the activated coke are provided with below the vibratory sieve of following activated coke particle, the sieve aperture of the vibratory sieve
Grain storehouse pump is connected by activated coke particulate transportation pipeline with pulverized coal injection feed bin.
Further, the activated coke particle storehouse pump and the activated coke transport pipeline are tightly connected, the activated coke fortune
Defeated pipeline is gastight conduit, and the activated coke particle is delivered to the pulverized coal injection feed bin, the gas by Pneumatic conveyer
The power gas of power conveying device is 0.5MPa nitrogen.
Further, in addition to activated coke storage silo and the activated coke of 0.5cm-1cm on reciprocating sieve is delivered to described
The embedded scraper transporter of activated coke storage silo.
Specifically, in addition to the content of oxygen detecting device that is arranged in the Analytic Tower.
Further, the Analytic Tower include from top to bottom set gradually charging buffering chamber, heating, cooling regenerate storehouse,
Discharging buffering chamber, wherein the heating, cooling regeneration storehouse include shell, the enclosure is from top to bottom divided into gas collection
Section, bringing-up section, nitrogen Injection Section, cooling section, provided with some oval expects pipes in the shell, the entrance of the oval expects pipe with
Charging valve is provided between the charging buffering chamber, discharging is provided between the outlet of the oval expects pipe and the discharging buffering chamber
Waste gas gas outlet is equipped with valve, each described oval expects pipe, the waste gas gas outlet corresponds to gas collecting segment, and described integrated tower is also
Including gas collecting apparatus, nitrogen injection device, the gas collecting apparatus is connected with the gas collecting segment, the nitrogen injection device with it is described
Heating, cooling regeneration storehouse bringing-up section and the oval expects pipe connection, the bringing-up section connect hot gas conveying device, the cooling
Duan Liantong cold air conveying devices, hot gas Left-wing Federation case, the right header of hot gas of the bringing-up section connection, the cold air of the cooling section connection
The right header of Left-wing Federation's case, cold air.
Specifically, described heating, cooling regeneration are provided with the air guide dividing plate that some spacing are set, the oval expects pipe in storehouse
The vertical air guide dividing plate of axis, per adjacent two air guides dividing plate between spacing it is equal；The oval expects pipe and oval expects pipe
The section of central axis upright be that in ellipticity, the waste gas gas outlet in each described oval expects pipe is blinds gas outlet.
Further, the Analytic Tower includes the charging temporary storing bin from top to bottom set gradually, activated coke regeneration storehouse, discharging
Temporary storing bin, wherein activated coke regeneration storehouse is from top to bottom divided into charging straight length, heating pipeline section, the excessive expects pipe of nitrogen charging
Section, cooling pipeline section, discharging straight length；
Wherein described charging straight length is externally provided with plenum chamber, and the charging straight length is provided with ventilative orifice plate, described ventilative
Feed straight length inside and the air-vent of plenum chamber are communicated with orifice plate；
Heating flue gas air inlet header, heating flue gas outlet header, the heating pipeline section are respectively equipped with outside the heating pipeline section
Provided with heating flue gas gas distribution orifice plate, the heating pipeline section and the heating flue gas air inlet between the heating flue gas air inlet header
Provided with heating flue gas gas collection orifice plate between header, the heating inner tube segment also adds mistake to be disposed with some buried heating smoke pipes, respectively
Two openends difference expanded joint of the buried heating tube is in described heating flue gas gas distribution orifice plate and heating flue gas gas collection orifice plate
On hole in；
The excessive expects pipe section of nitrogen charging is connected with nitrogen charging device, and the nitrogen charging device is regenerated in storehouse to described activated coke to be noted
Enter nitrogen；
Cooling air air inlet header, cooling air outlet header, the cooling pipeline section are respectively equipped with outside the cooling pipeline section
Cooling air gas distribution orifice plate, the cooling pipeline section and the cooling air air inlet are provided between the cooling air air inlet header
Cooling air gas collection orifice plate is provided between header, the cooling inner tube segment also adds mistake to be disposed with some buried cooling air pipes,
Expanded joint is distinguished in described cooling air gas distribution orifice plate and cooling air collection in two openends of each buried cooling air pipe
In hole on spiracular plate；
Charging valve, the discharging straight length and the discharging are provided between the charging straight length and the charging temporary storing bin
Discharge valve is provided between temporary storing bin；
The activated coke regeneration storehouse is in hourglass configuration.
Further, described charging valve, discharge valve are the star-like trapping valve of double-deck multiple row, and the double-deck multiple row is star-like
Trapping valve includes the valve body of some both ends opens being sequentially arranged, one end open and charging buffering chamber or the discharging of the valve body
Buffering chamber is connected, and another end opening of the valve body is connected with the heating, cooling regeneration storehouse, and each valve body includes
The connection chamber of post roller accommodating cavity described in upper and lower two opposed post roller accommodating cavities and connection two, wherein, the post roller described in two
1 post roller is respectively equipped with accommodating cavity, the accommodating cavity is the arcuate structure being adapted with the post roll shape, the post roller and institute
State and the nitrogen injection is communicated with the gap passed through between the side wall of accommodating cavity provided with confession material, the side wall of the connection chamber
The nitrogen air admission hole of the nitrogen outlet of device；
The star-like trapping valve of double-deck multiple row also includes the transmission device for driving the post roller to rotate, the transmission device
Including the motor, reductor and chain transfer mechanism being connected successively, the chain transfer mechanism is passed with the star-like post roller
Dynamic connection.
To reach above-mentioned purpose, energy-saving ring type reactive coke regeneration method of the present invention, methods described includes：
Saturated active coke is periodically transported into Analytic Tower.
It is used as Analytic Tower by the flue gas of the combustion-supporting flue gas exhaust mouthful output of blast-furnace hot-air to solve the saturated active coke
Hot gas needed for analysis.
Regeneration activity Jiao after being parsed filters out a diameter of below 0.5cm activated coke particle by vibratory sieve,
The activated coke particle is used for blast furnace fuel, the regeneration activity for reclaiming a diameter of 0.5cm or more than 0.5cm is burnt.
The energy saving and environment friendly active coke regeneration system of the present invention, first, Analytic Tower is arranged in blast furnace ironmaking region, activity
Hot gas used in burnt parsing is added by hot air duct quoted from setting in addition in the combustion-supporting gas extraction system flue gas of blast funnace hot blast stove, is not required to
Hot combustion system, efficiency of energy utilization is high, reduces desorption system operating fuel expense, invests small.Second, due to having used height
Stove hot blast as activated coke parsing high temperature, therefore avoid combustion heating generation NOx.Third, being set in the exit of Analytic Tower
Vibratory sieve is put, the activated coke waste material that granularity is less than 0.5cm is filtered out, the activated coke is transported by activated coke conveyance conduit and given up
Material to pulverized coal injection feed bin is stored.
Brief description of the drawings
Fig. 1 is the structural representation of energy saving and environment friendly active coke regeneration system of the invention；
Fig. 2 is the structural representation of the energy saving and environment friendly Analytic Tower of active coke regeneration system embodiment 1 of the invention；
Fig. 3 is Fig. 2 side view；
Fig. 4 is the structural representation of the energy saving and environment friendly Analytic Tower of active coke regeneration system embodiment 2 of the invention；
Fig. 5 is Fig. 4 side view；
Fig. 6 is the structural representation of the star-like trapping valve of double-deck multiple row of energy saving and environment friendly active coke regeneration system of the invention
Figure.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings.
Embodiment 1
As shown in figure 1, the energy saving and environment friendly active coke regeneration system of the present embodiment, including Analytic Tower, transport saturated active coke
To the saturated active coke conveying arrangement of Analytic Tower, the Analytic Tower is arranged on blast furnace region, wherein the Analytic Tower and height
Stove hot wind for combustion supporting flue gas exhaust mouthful is connected by hot blast conveying pipe road, and the Analytic Tower is by the hot air duct quoted from the height
The flue gas of stove hot wind for combustion supporting flue gas exhaust mouthful output is used as parsing hot gas.
The implementation process of the present embodiment is：The activated coke of adsorption saturation is periodically transported to desorption and regeneration with vacuum tank car daily
The saturated active coke feed bin stood, will need the saturated active coke desorbed to send into Analytic Tower by bucket elevator.Analytic Tower is set
In blast furnace region, 450-550 DEG C of hot blast used is not required to setting in addition and added quoted from the combustion-supporting waste gas system pipeline of blast funnace hot blast stove
Hot combustion system, invests small, efficiency of energy utilization is high, while reducing combustion heating produces NOx.From the combustion-supporting exhaust duct of hot-blast stove
A branch pipe is connect, extraction meets activated coke desorption institute required airflow, and about 500 DEG C of temperature delivers to the top stripping stage of desorption and regeneration tower.Again
Raw stripping stage uses the indirect type of cooling, and hot blast is indirect by the heat exchange pipeline inner and outer saturated active coke for desorbing heat exchanger
Heat exchange, the heat exchange pipeline of heat exchanger is using No. 20 seamless steel tube for boiler.Saturated active coke slowly declines in container inside, with high warm cigarette
The H of absorption in gas indirect heat exchange, saturated active coke2SO4Resolve into H2O and SO2Desorption effusion, by activated coke particulate interspaces
The top of Analytic Tower is raised to, is drawn by special outlet, high concentration SO2Gas is drawn by pipeline, is connected to the suction of accessory contact formula
Acid making system is received to utilize.One section of changeover portion is set between desorption heat exchanger 4 and cooling heat exchanger, and changeover portion is completely cut off using nitrogen
Protection.Analytic Tower bottom is slowly declined to by the activated coke of desorption and regeneration, bottom Analytic Tower is provided with cooling heat exchanger 6, cold
But the cooling pipe outer wall of heat exchanger 6 exchanges heat with the activated coke after desorption under high temperature, and inwall blasts cooling air, by desorption state 450
DEG C or so activated coke, be cooled to less than 150 DEG C.
As shown in Fig. 2 to 3, the Analytic Tower described in the present embodiment, including the charging buffering chamber from top to bottom set gradually
22nd, heat, cool down regeneration storehouse 25, discharging buffering chamber 29, wherein the heating, cooling regeneration storehouse are included in shell, the shell
Portion is from top to bottom divided into ellipse provided with some in gas collecting segment a, bringing-up section b, nitrogen Injection Section c, cooling section d, the shell
Circle expects pipe 24, charging valve 23 is provided between the entrance of the oval expects pipe and the charging buffering chamber, and the oval expects pipe goes out
It is provided between mouth and the discharging buffering chamber in discharge valve 28, each described oval expects pipe and is equipped with waste gas gas outlet 215, it is described
Waste gas gas outlet correspondence gas collecting segment, described integrated tower also includes gas collecting apparatus 210, nitrogen injection device 27, the gas collection dress
Put and connected with the waste gas gas outlet, the nitrogen injection device and the heating, cooling regeneration storehouse inside and the ellipse
Expects pipe is connected, and the bringing-up section connects hot gas conveying device, and the cooling section connects cold air conveying device.Also include adding with described
Hot gas Left-wing Federation case 212, the right header 211 of hot gas and cold air Left-wing Federation case 213, the cold air connected with the cooling section of hot arc connection
Right header 214.
In the present embodiment, it is arranged in above and below activated coke thermal regeneration and cooling in same warehouse, and active focal ellipse expects pipe
Direct-connected up and down, stream stream is smooth, works continuously.By the rotary speed of control column roller, control the conveying capacity of activated carbon, burnt, charcoal 1 by
The continuous injection heating of charging buffering nitrogen injection device, cooling regeneration storehouse, the air in oval expects pipe and gas collecting segment is replaced
For nitrogen, charcoal/Jiao fed in buffering chamber enters oval expects pipe by charging buffering chamber by charging valve, under the protection of nitrogen,
Jiao/charcoal is regenerated in oval expects pipe by the high-temperature flue gas indirectly heat outside oval expects pipe, so can obtain higher quality again
Liveliness proof is burnt, and the waste gas parsed is expelled to gas collecting segment, then carried out by gas collecting apparatus by the waste gas venthole in oval expects pipe
Collect, activated carbon/Jiao after parsing regeneration flows to cooling section in oval expects pipe, is carried out by the cold air outside oval expects pipe
Cooling, then exports to discharging buffering chamber by discharge valve, so far completes the whole regenerative process of activated carbon.
In the present embodiment, the air guide dividing plate 26 provided with the setting of some spacing in described heating, cooling regeneration storehouse is described ellipse
The vertical air guide dividing plate of axis of circle expects pipe, per adjacent two air guides dividing plate between spacing it is equal, the air guide dividing plate is by warm
Gas, cold air are evenly distributed to each section of oval expects pipe.The whereabouts of coke for convenience, the oval expects pipe and oval expects pipe
Central axis upright section be in ellipticity.Jiao/charcoal smoothly falls in oval expects pipe for convenience, at the same avoid it is burnt/
Charcoal is slid to oval expects pipe, and the waste gas gas outlet in each described oval expects pipe is blinds gas outlet.
Embodiment 2
As shown in figure 1, the energy saving and environment friendly active coke regeneration system of the present embodiment, including Analytic Tower, transport saturated active coke
To the saturated active coke conveying arrangement of Analytic Tower, the Analytic Tower is arranged on blast furnace region, wherein the Analytic Tower and height
Stove hot wind for combustion supporting flue gas exhaust mouthful is connected by hot blast conveying pipe road, and the Analytic Tower is by the hot air duct quoted from the height
The flue gas of stove hot wind for combustion supporting flue gas exhaust mouthful output is used as parsing hot gas.
The present embodiment be included on the basis of embodiment 1 the active resolver exit be used for filter out diameter
In the vibratory sieve and activated coke storage silo of below 0.5cm activated coke particle and the activated coke by 0.5cm-1cm on reciprocating sieve
It is delivered to below the embedded scraper transporter of the activated coke storage silo, the sieve aperture of the vibratory sieve and is provided with activated coke particle storehouse pump,
The activated coke particle storehouse pump is connected by activated coke particulate transportation pipeline with pulverized coal injection feed bin.The activated coke particle leads to
Cross Pneumatic conveyer and be delivered to the pulverized coal injection feed bin, the power gas of the Pneumatic conveyer is 0.5MPa nitrogen
Gas.
The implementation process of the present embodiment is：The activated coke of adsorption saturation is periodically transported to desorption and regeneration with vacuum tank car daily
The saturated active coke feed bin 1 stood, will need the saturated active coke desorbed to send into Analytic Tower 3 by bucket elevator 2.Activated coke solution
Inhale regeneration site be arranged on blast furnace region, 450-550 DEG C of hot blast used quoted from the combustion-supporting waste gas system pipeline 12 of blast funnace hot blast stove,
It is not required to set heating fuel system in addition, invests small, efficiency of energy utilization is high, while reducing combustion heating produces NOx.From hot blast
The combustion-supporting exhaust duct 12 of stove connects a branch pipe 11, and extraction meets activated coke desorption institute required airflow, and about 500 DEG C of temperature delivers to desorption again
The top stripping stage of raw tower 3.Stripping stage is regenerated to use in the indirect type of cooling, heat exchange pipeline of the hot blast by desorbing heat exchanger 4
Side and outside saturated active coke indirect heat exchange, the heat exchange pipeline of heat exchanger 4 is using No. 20 seamless steel tube for boiler.Saturated active coke is in container
Inner side slowly declines, with high warm flue gas indirect heat exchange, the H of the interior absorption of saturated active coke2SO4Resolve into H2O and SO2Desorption ease
Go out, the top of Analytic Tower 3 is risen to by activated coke particulate interspaces, drawn by special outlet, high concentration SO2Gas passes through
Pipeline is drawn, and is connected to accessory contact formula and is absorbed acid making system utilization.One is set between desorption heat exchanger 4 and cooling heat exchanger 6
Section changeover portion 5, changeover portion 5 completely cuts off protection using nitrogen.Analytic Tower bottom is slowly declined to by the activated coke of desorption and regeneration, under
Portion's Analytic Tower is provided with cooling heat exchanger 6, and cooling pipe outer wall and the activated coke after desorption under high temperature of cooling heat exchanger 6 exchange heat, interior
Wall blasts cooling air, by 450 DEG C or so of activated coke of desorption state, is cooled to less than 150 DEG C, the activated coke of regeneration is fallen into again
Activated coke qualified 0.5cm-1cm is directly sent to active coke storage 8 on vibratory sieve 7 under raw tower, sieve, and vacuum tank is periodically used daily
Car delivers to the active coke storage at absorption station.Meticulous broken activated coke enters a storehouse pump 9 under solarization, passes through storehouse pump 9 and pipeline
10, the pulverized coal warehouse 13 of direct Geldart-D particle to pulverized coal injection sprays into blast-furnace roasting, the gases used medium of Geldart-D particle with coal dust
0.5MPa nitrogen is used to prevent activated coke ingress of air from burning.Activated coke is before the desorption charging of every order of classes or grades at school, first using nitrogen
Purged, to prevent activated coke from running into air burning.Protection and Geldart-D particle nitrogen are quoted from hot blast stove system nitrogen tube 14.
O2 gas componant sampling monitorings are set in regenerator, it is necessary to assure O2 contents could be run below 2%.
As shown in Fig. 4 to 5, in the present embodiment, the Analytic Tower include from top to bottom set gradually charging temporary storing bin 41,
Activated coke regeneration storehouse, discharging temporary storing bin 422, wherein the activated coke regeneration storehouse be from top to bottom divided into charging straight length 43,
Heat the excessive expects pipe section 412 of pipeline section 411, nitrogen charging, cooling pipeline section 419, discharging straight length 420.
Wherein described charging straight length is externally provided with plenum chamber 44, and the charging straight length is provided with ventilative orifice plate 5, described
Feed straight length inside and the air-vent of plenum chamber are communicated with spiracular plate.The waste gas that heating of Activated Jiao parses, through charging
Two pieces of ventilative orifice plates of straight length or so are discharged by plenum chamber outlet.
Heating flue gas air inlet header 47, heating flue gas outlet header 410, the heating are respectively equipped with outside the heating pipeline section
Provided with heating flue gas gas distribution orifice plate 8, the heating pipeline section and the heating cigarette between pipeline section and the heating flue gas air inlet header
Provided with heating flue gas gas collection orifice plate 49 between gas air inlet header, the heating inner tube segment also adds mistake to be disposed with some buried heating
Smoke pipe, two openends difference expanded joint of each buried heating tube is in described heating flue gas gas distribution orifice plate and heating flue gas collection
In hole on spiracular plate, fume pipe interlaced arrangement is horizontal is embedded in activated coke for the buried heating.Heat flue gas by air inlet header,
Smoke pipe and outlet header, indirectly heat activated coke.
The excessive expects pipe section of changeover portion namely nitrogen charging between heating pipeline section and cooling pipeline section is provided with nitrogen charging device, described
The excessive expects pipe section 412 of nitrogen charging is connected with nitrogen charging device 413, and the nitrogen charging device regenerates in storehouse to described activated coke and injects nitrogen
Gas, gradually diffuses to cooling pipeline section, heating pipeline section and gas collection pipeline section, protection activity Jiao's thermal regeneration.
Cooling air air inlet header 415, cooling air outlet header 417 are respectively equipped with outside the cooling pipeline section 419, it is described
Cool down and cooling air gas distribution orifice plate 416 is provided between pipeline section and the cooling air air inlet header, it is described to cool down pipeline section and described
Cooling air gas collection orifice plate 418 is provided between cooling air air inlet header, it is some that the cooling inner tube segment also adds mistake to be disposed with
Expanded joint is distinguished in described cooling air cloth in buried cooling air pipe 414, two openends of each buried cooling air pipe
In hole on spiracular plate and cooling air gas collection orifice plate, the buried cooling air pipe interlaced arrangement is horizontal to be embedded in activated coke.It is cold
But air passes through air inlet header, cooling air pipe and outlet header, and activated coke is cooled down indirectly.
As shown in fig. 6, in the various embodiments described above, described charging valve, discharge valve are the star-like trapping valve of double-deck multiple row,
The star-like trapping valve of double-deck multiple row includes the valve body 30 of some both ends opens being sequentially arranged, the one end open of the valve body
It is connected with charging buffering chamber or discharging buffering chamber, another end opening of the valve body is connected with the heating, cooling regeneration storehouse
Logical, each valve body includes the company of upper and lower two opposed post roller accommodating cavities 31,33 and the post roller accommodating cavity described in connection two
Cavity 32, wherein, a post roller 34 is respectively equipped with the post roller accommodating cavity described in two, the accommodating cavity is and the post roll shape phase
The gap passed through for material, the connection chamber are provided between the arcuate structure of adaptation, the side wall of the post roller and the accommodating cavity
Side wall on be communicated with the nitrogen injection device nitrogen outlet nitrogen air admission hole 321.
Because the shape of star-like post roller is adapted with cavity inner wall shape, it is ensured that the width in gap is than more consistent so that
Discharge rate is uniform.Material enters in the cavity in top from charging aperture, and under gravity along the cavity inner wall
Gap between the star-like post roller in it slides, by connecting in the cavity below chamber arrival, further along lower section cavity inner wall
Gap between the star-like post roller in it is slid to discharging opening.
Nitrogen injection device launches nitrogen, and nitrogen enters connection intracavitary by nitrogen gas entering opening, and nitrogen is full of in connection intracavitary
Gas, so nitrogen forms nitrogen separation layer in connection intracavitary, has separated the air between the cavity of top and the cavity of lower section
Circulation so that material can be by connecting chamber, and air can not up and down be collaborated by connecting chamber so as to avoid.
Due to being provided with multiple valve bodies being arranged side by side, each valve body can discharging, so improving discharging quantity.
The star-like trapping valve of double-deck multiple row also includes the transmission device for driving the post roller to rotate, the transmission device
Including the motor, reductor and chain transfer mechanism being connected successively, the chain transfer mechanism is passed with the star-like post roller
Dynamic connection.Motor works, and drives the drive axis of reductor, and the power transmission shaft of reductor drives the chain of chain drive to turn
It is dynamic, so that drive star-like post roller to rotate, it is easy to operate, reliable.Further improvement to the program, the star-like post roller is located at institute
State the end on the outside of discharge duct and be connected with associated sealing arrangement for bearings.Avoid air from the end of star-like post roller and discharging tube wall it
Between gap enter inside discharge valve, further increase trapping performance.
Embodiment 3
The present embodiment energy-saving ring type reactive coke regeneration method, including：
Saturated active coke is periodically transported into Analytic Tower.
It is used as Analytic Tower by the flue gas of the combustion-supporting flue gas exhaust mouthful output of blast-furnace hot-air to solve the saturated active coke
Hot gas needed for analysis.
Regeneration activity Jiao after being parsed filters out a diameter of below 0.5cm activated coke particle by vibratory sieve,
The activated coke particle is used for blast furnace fuel, the regeneration activity for reclaiming a diameter of 0.5cm or more than 0.5cm is burnt.
The activated coke particle and blast-furnace coal powder are mixed for blast furnace fuel.
Analytic Tower is arranged on blast furnace ironmaking region in the present embodiment, and parsing 450-550 DEG C of hot blast used is quoted from blast-furnace hot-air
The combustion-supporting gas exhaust piping flue gas of stove, is not required to set heating fuel system in addition.
The burnt regenerative system of a kind of energy-saving environment protection active, the particle that activated coke can not be reused, using Geldart-D particle
Mode sends into pulverized coal injection feed bin, sprays into blast furnace and burns.Discarded activated coke Geldart-D particle dispensing device using cone pump or its
His form, power source is nitrogen.
In the various embodiments described above, setting, the operation of Analytic Tower and adsorption system are completely independent, the parsing regeneration provided
Service can be any enterprise, industry use activated coke absorbing process produce saturated active coke.
By particle under the sieve of screening after present invention absorption activated coke parsing regeneration used, and after being failed through iterative parsing
Activated coke, for blast furnace blowing fuel, spray into blast furnace and burn, the micro- of absorption in any harmful substance, activated coke is not produced
Measure heavy metal and enter blast-melted, blast-melted quality is not influenceed.Discarded activated coke is using pneumatic conveying mode feeding blast furnace spray
Coal bunker, sprays into blast furnace and burns, and Geldart-D particle dispensing device uses cone pump or other forms, and power source is nitrogen.This is
System suitable for agglomerates of sintered pellets flue gas, coke oven flue gas, rubbish and danger wastes burnings, boiler smoke etc. using activated coke absorption only
The saturated active coke parsing regenerative system that change system is produced.The high-concentration sulfur dioxide drawn after parsing is sent to acid making system,
Sulfuric acid is prepared to, for iron and steel enterprise's cold strip mill spent pickling acid.
Whole activated coke parsing regenerative system small investment, operating cost are low；The using energy source of the combustion-supporting smoke evacuation of blast funnace hot blast stove
Fully, and thermal pollution is reduced and newly-increased burning produces the secondary pollution of nitrogen oxides；Harmful sulfur dioxide is utilized preparation
Utilized into the sulfuric acid for having economic value；Unavailable activated coke is used as blast furnace fuel, non-secondary pollution.Therefore, the invention
Technique provides a kind of energy-saving and environment-friendly activated coke parsing regenerative system.
More than, only presently preferred embodiments of the present invention, but protection scope of the present invention is not limited thereto, and it is any to be familiar with sheet
Those skilled in the art the invention discloses technical scope in, the change or replacement that can be readily occurred in should all be covered
Within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should be defined by claim is defined.
Claims (6)
1. a kind of energy saving and environment friendly active coke regeneration system, it is characterised in that：Including Analytic Tower, saturated active coke is transported to parsing
The saturated active coke conveying arrangement of tower, the Analytic Tower is arranged on blast furnace region, wherein the Analytic Tower and blast-furnace hot-air
Combustion-supporting flue gas exhaust mouthful is connected by hot blast conveying pipe road, and the Analytic Tower is by the hot blast conveying pipe road quoted from the blast furnace
The flue gas of hot wind for combustion supporting flue gas exhaust mouthful output is used as parsing hot gas；
The Analytic Tower includes the charging buffering chamber from top to bottom set gradually, heats, cooling regenerates storehouse, discharging buffering chamber, its
Described in heating, cooling regeneration storehouse include shell, the enclosure is from top to bottom divided into gas collecting segment, bringing-up section, nitrogen
Provided with some oval expects pipes, the entrance of the oval expects pipe and the charging buffering chamber in Injection Section, cooling section, the shell
Between be provided with charging valve, discharge valve, each described ellipse are provided between the outlet of the oval expects pipe and the discharging buffering chamber
Waste gas gas outlet is equipped with expects pipe, the waste gas gas outlet correspondence gas collecting segment, described Analytic Tower also includes gas collecting apparatus, nitrogen
Gas injection device, the gas collecting apparatus is connected with the gas collecting segment, the nitrogen injection device and the heating, cooling regeneration storehouse
Bringing-up section and the oval expects pipe connection, the bringing-up section connect hot gas conveying device, the cooling section connection cold air conveying
Device, the bringing-up section is communicated with hot gas Left-wing Federation case, the right header of hot gas, and it is right that the cooling section is communicated with cold air Left-wing Federation case, cold air
Header；
Described charging valve, discharge valve are the star-like trapping valve of double-deck multiple row, and the double-deck star-like trapping valve of multiple row includes
The valve body of some both ends opens being sequentially arranged, the one end open of the valve body is connected with charging buffering chamber or discharging buffering chamber
Logical, another end opening of the valve body is connected with the heating, cooling regeneration storehouse, and each valve body includes upper and lower opposed
The connection chamber of two post roller accommodating cavities and two described post roller accommodating cavities of connection, wherein, in two described post roller accommodating cavities respectively
Provided with a post roller, the accommodating cavity is the arcuate structure being adapted with the post roll shape, the post roller and the accommodating cavity
The nitrogen that the nitrogen injection device is communicated with the gap passed through for material, the side wall of the connection chamber is provided between the wall of side
The nitrogen air admission hole of outlet；
The star-like trapping valve of double-deck multiple row also includes the transmission device for driving the post roller to rotate, and the transmission device includes
Motor, reductor and the chain transfer mechanism being connected successively, the chain transfer mechanism are connected with the post roller.
2. energy saving and environment friendly active coke regeneration system according to claim 1, it is characterised in that：It is also described including being arranged on
Activated coke Analytic Tower exit be used for filter out vibratory sieve of the diameter in the activated coke particle less than 0.5cm, the vibratory sieve
Sieve aperture below be provided with activated coke particle storehouse pump, the activated coke particle storehouse pump passes through activated coke particulate transportation pipeline and blast furnace and sprayed
Coal bunker is connected.
3. energy saving and environment friendly active coke regeneration system according to claim 2, it is characterised in that：The activated coke particle storehouse
Pump and the activated coke transport pipeline are tightly connected, and the activated coke transport pipeline is gastight conduit, and the activated coke particle leads to
Cross Pneumatic conveyer and be delivered to the pulverized coal injection feed bin, the power gas of the Pneumatic conveyer is 0.5MPa nitrogen
Gas.
4. energy saving and environment friendly active coke regeneration system according to claim 2, it is characterised in that：Also include activated coke to store
Storehouse and the embedded scraper transporter that the activated coke of 0.5cm-1cm on vibratory sieve is delivered to the activated coke storage silo.
5. energy saving and environment friendly active coke regeneration system according to claim 1, it is characterised in that：It is also described including being arranged on
Content of oxygen detecting device in Analytic Tower.
6. energy saving and environment friendly active coke regeneration system according to claim 1, it is characterised in that：Described heating, cooling
Regenerate the air guide dividing plate set in storehouse provided with some spacing, the vertical air guide dividing plate of axis of the oval expects pipe, per adjacent
Spacing between two air guide dividing plates is equal；The section of the oval expects pipe and the central axis upright of oval expects pipe is in ellipticity,
Waste gas gas outlet in each described oval expects pipe is blinds gas outlet.
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| CN201510446811.9A CN105056918B (en) | 2015-07-24 | 2015-07-24 | Energy saving and environment friendly active coke regeneration system and method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510446811.9A CN105056918B (en) | 2015-07-24 | 2015-07-24 | Energy saving and environment friendly active coke regeneration system and method |
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| CN105056918A CN105056918A (en) | 2015-11-18 |
| CN105056918B true CN105056918B (en) | 2017-08-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106390681A (en) * | 2016-11-15 | 2017-02-15 | 东莞市佳明环保科技有限公司 | Double-fluidized bed adsorption and desorption device and method for continuous treatment of organic waste gas |
| CN110068489A (en) * | 2019-06-12 | 2019-07-30 | 中冶北方（大连）工程技术有限公司 | Activated coke particle and regeneration gas separating pressure sampler |
| CN113651325B (en) * | 2021-08-16 | 2023-12-08 | 宁夏宁疆疆泰炭材料科技有限公司 | Production equipment and process for manufacturing desulfurization and denitrification active coke by multi-stage furnace |
| CN114471153A (en) * | 2022-02-12 | 2022-05-13 | 中太海碳(上海)环保科技有限公司 | For mixing CO in solution2Solution heating and desorption tower |
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| CN103977778B (en) * | 2014-05-28 | 2016-01-13 | 上海龙净环保科技工程有限公司 | A kind of active coke regeneration device |
| CN104190389B (en) * | 2014-08-27 | 2017-04-12 | 中冶长天国际工程有限责任公司 | Thermal regeneration method and device of activated carbon |
| CN204841711U (en) * | 2015-07-24 | 2015-12-09 | 中冶华天工程技术有限公司 | Active burnt regeneration system of energy -concerving and environment -protective type |
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Denomination of invention: Energy-saving environment-friendly type active coke regeneration system and method thereof Effective date of registration: 20180427 Granted publication date: 20170825 Pledgee: Huizhou merchant bank Ma'anshan Fuyuan branch Pledgor: Zhongye Huatian Engineering Technology Co., Ltd. Registration number: 2018340000125 |
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Address after: Jianye District of Nanjing City, Jiangsu province 210019 the Fuchun River Street No. 18 Patentee after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243005 No. 699 West Hunan Road, Anhui, Ma'anshan Patentee before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC |
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