CN104788999B - A kind of coal-tar chemistry chain pyrolysis prepares the device of carbon black - Google Patents
A kind of coal-tar chemistry chain pyrolysis prepares the device of carbon black Download PDFInfo
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Abstract
The invention belongs to carbon black Preparation equipment technical field, it is related to the device that a kind of coal-tar chemistry chain pyrolysis prepares carbon black, air reactor is connected with single stage cyclone, the bottom of single stage cyclone is connected with double jacket fluid-bed heat exchanger, double jacket fluid-bed heat exchanger is connected with the middle part of fuel reactor, the bottom of fuel reactor is the air compartment connected with fluidisation air inlet supervisor, fuel reactor is connected with the bottom of air reactor, the top of fuel reactor is provided with cooling water coil, cooling water coil is connected with water leg heat exchanger, the top of fuel reactor is connected with two-stage series connection cyclone separator, the outer layer chuck and water leg heat exchanger of double jacket fluid-bed heat exchanger are connected with the bottom of shell-and-tube exhaust-heat boiler respectively, the bottom of petroleum pipeline is connected with fluidisation air intake branch；Its is simple in construction, easy for operation, and maintenance cost is low, and service life is long, less energy consumption, realizes the reasonable utilization of complementary energy, effectively reduces disposal of pollutants.
Description
Technical field：
The invention belongs to carbon black Preparation equipment technical field, it is related to the dress that a kind of coal-tar chemistry chain pyrolysis prepares carbon black
Put, particularly one kind prepares the device of carbon black by chemical chain pyrolytic technique using coal tar as raw material.
Background technology：
With the quickening of China's modernization, industry is relied on as the rubber of representative using auto manufacturing and developed rapidly, and
Carbon black as rubber a kind of important reinforcing agent, it is also growing day by day in demand, as the second largest rubber material for being only second to rubber
Material, the consumption in rubber industry accounts for the 89.5% of its total output；Research shows, appropriate carbon black is added in rubber,
Can effective reinforcing material physical and mechanical properties (tensile strength, tearing strength, wearability etc.) so that rubber product more may be used
Lean on, it is durable；In addition, carbon black is as coloring agent, conductive agent and ultraviolet light screener etc., be also extensively used for coating, dry cell and
The fields such as plastics-production.
So far, conventional method of producing black pigment mainly includes contact method, pyrolysis method and oven process, and wherein contact method is opened
Formula is produced, and technique falls behind, and now except specific function carbon black uses contact method, contact method is less to be used；Pyrolysis method by
Develop in factors such as raw natural gas rise in price, carbon black products poor-performings it is limited, and using Audit For Process as the oven process of representative
Black carbon technology obtains broad development, and the carbon black produced by Audit For Process accounts for more than the 95% of production of carbon black total amount, as current
The main method of production of carbon black, its general principle is：Preheated air carries fuel oil and enters reative cell burning generation high-temperature flue gas
(1700-1800 DEG C of ignition temperature) enters pyrolytic reaction room, and feedstock oil sprays into it after filtering, preheating by compressed air atomization
In, gasify rapidly at high temperature and be cracked to form carbon black, at reative cell rear portion, cold water is injected directly into flue gas to reduce cigarette temperature
And carbon black reaction is terminated, final cooled flue gas collects carbon black through main bag hose.Audit For Process is mainly special it can be seen from above-mentioned principle
Point includes：High temperature must be kept to improve reaction rate in stove；Feedstock oil atomization quality is very crucial, and air stoichiometry control is strict；Combustion
Burn temperature and be up to 1800 DEG C, refractory material is easily burned out, cost increase；Using combustion air, wherein under 79% nitrogen, high temperature
Easily generate a large amount of thermal NOsx, and the amount of heat of part coal tar oil firing generation can be carried, cause energy loss；Spray into cold
Water cooling high-temperature flue gas, had both caused exhaust gas volumn increase and more sensible heats are pulled away, and the increase of tail gas water capacity is caused again, tail gas is reduced
Calorific value.Therefore, nowadays advocating under the overall background of environmental protection and energy saving, consumption reduction, pollution emission reduction are that current production of carbon black institute must face
To great difficult problem.
The content of the invention：
It is an object of the invention to overcome the shortcoming that prior art is present, seek design and a kind of coal-tar chemistry chain heat is provided
Solution conversion prepares the device of carbon black, reduces production of carbon black energy consumption, reduces disposal of pollutants.
To achieve these goals, main body of the invention includes air reactor, single stage cyclone, double jacket fluidisation
Bed heat exchanger, fuel reactor, water leg heat exchanger, two-stage series connection cyclone separator, device for filtering and collecting, air reactor row
Tracheae, single stage cyclone dipleg, feed pipe, petroleum pipeline, shell-and-tube exhaust-heat boiler, air-introduced machine, fluidisation air intake branch, cooling
Water coil, primary cyclone dipleg, refeed line, storage tank, oxidation state oxygen carrier, reduction-state oxygen carrier, fluidisation air inlet master
Pipe, fuel reactor air distribution plate, returning charge tube valve, air reactor air distribution plate, coal tar pan feeding valve, oxygen carrier inlet valve
Door, the outlet of returning charge valve, air intlet, oxygen denuded air, the main import of fluidizing gas, cooling water inlet, high temperature water out, coal tar enter
Mouth, fluidizing gas point import and offgas outlet；Air reactor blast pipe and single stage cyclone point that air reactor passes through top
From device connection, the bottom of air reactor is provided with air intlet, and the bottom of air reactor is provided with air reactor air distribution plate；It is empty
Solid/liquid/gas reactions device and air reactor exhaust Bottomhole pressure have oxidation state oxygen carrier, and oxidation state oxygen carrier is by reduction-state oxygen carrier and sky
Oxygen reaction generation in gas；The bottom of single stage cyclone is changed by single stage cyclone dipleg with double jacket fluid bed
Hot device connection, the top of single stage cyclone is exported provided with oxygen denuded air, oxygen denuded air outlet discharge N2With a small amount of unreacted
O2；Double jacket fluid-bed heat exchanger is connected by feed pipe with the middle part of fuel reactor, and fuel reactor lower end is provided with combustion
Expect reactor air distribution plate, the bottom of fuel reactor air distribution plate is the air compartment connected with fluidisation air inlet supervisor, fluidisation air inlet supervisor
With the main inlet communication of fluidizing gas, fuel reactor is connected by returning charge valve and refeed line with the bottom of air reactor, fuel
Returning charge tube valve is provided with refeed line between reactor and returning charge valve, returning charge Bottomhole pressure has reduction-state oxygen carrier；Fuel
The top of reactor is provided with cooling water coil, and the top of cooling water coil is cooling water inlet, and cooling water coil is changed with water leg
Hot device is connected, and the top of fuel reactor passes through the pipeline of water leg heat exchanger cavity and entering for two-stage series connection cyclone separator
Mouth connection, two-stage series connection cyclone separator passes through the exhaust outlet of primary cyclone and the air inlet string of secondary cyclone
Joint group is into primary cyclone dipleg is connected with refeed line, and the bottom of secondary cyclone is connected with storage tank；Filtering is received
Acquisition means are connected with the exhaust outlet of secondary cyclone, and the rear portion of device for filtering and collecting is provided with offgas outlet；Shell-and-tube waste heat
The top right side of boiler is provided with high temperature water out；The top of shell-and-tube exhaust-heat boiler is communicated with oxygen denuded air outlet, double jacket stream
The outer layer chuck and water leg heat exchanger of heat exchanger of fluidized bed are connected with the bottom of shell-and-tube exhaust-heat boiler respectively, double jacket fluid bed
The internal layer chuck bottom right of heat exchanger is connected with petroleum pipeline, and the left side of the internal layer chuck of double jacket fluid-bed heat exchanger is provided with coal
Tar import, coal tar pan feeding valve, the fluidisation of double jacket fluid-bed heat exchanger are provided with the pipeline of coal tar inlet communication
Bed bottom is provided with fluidizing gas point import；The bottom of petroleum pipeline is connected with fluidisation air intake branch, and the one of fluidisation air intake branch bottom
End is vertically connected with fluidisation air inlet supervisor, and the other end of fluidisation air intake branch bottom is provided with 30 ° of tipping tube, tipping tube and fuel
Reactor bottom is connected；The pipeline for fluidizing air intake branch upper end is provided with oxygen carrier material inlet valve, the import of air-introduced machine and waste heat
The bottom of boiler is connected, and the outlet of air-introduced machine is connected with the main import of fluidizing gas and fluidizing gas point import respectively.
Air reactor of the present invention is recirculating fluidized bed, and fuel reactor is bubbling fluidized bed；Double jacket fluid bed
The internal layer chuck of heat exchanger is coal tar oil lagging, and outer layer chuck is cooling water jecket, and double jacket coats the top and four of fluid bed
Week；Device for filtering and collecting is constituted using filter cloth bag and exhaust gases passes.
The present invention prepares carbon black using coal-tar chemistry chain pyrolysis, when chemical chain pyrolytic reaction starts, in air reactor
Reduction-state oxygen carrier and air carry out oxidation reaction generation oxidation state oxygen carrier, oxidation state oxygen carrier is carried along into list by air-flow
Level cyclone separator carries out gas solid separation, and the oxygen denuded air separated passes through shell-and-tube exhaust-heat boiler recovery section heat, so
Double jacket fluid-bed heat exchanger, fuel reactor and returning charge valve are sent to as fluidizing gas by air-introduced machine afterwards；Separate
Oxidation state oxygen carrier enters double jacket fluid-bed heat exchanger by single stage cyclone dipleg, and lower oxidation state is blown in fluidizing gas
Oxygen carrier preheats the coal tar in double jacket fluid-bed heat exchanger internal layer chuck, and the coal tar after preheating is fallen by petroleum pipeline
It is sent in fluidisation air intake branch, the fluidizing gas being responsible for from fluidizing gas carries the oxidation fallen by oxygen carrier material inlet valve
State oxygen carrier is together sent to the bottom of fuel reactor, and is mixed in fluidisation air intake branch with coal tar, fluidizing gas supervisor
Interior fluidizing gas is passed through by the bottom plenum of fuel reactor, and coal tar is uniformly dispersed by the oxidation state oxygen carrier of fluidisation, and
The c h bond of catalytic pyrolysis coal tar, oxidation state oxygen carrier release Lattice Oxygen is reacted with H, then carbon separates out and is quickly generated carbon black, is aoxidized
State oxygen carrier generates reduction-state oxygen carrier, and bulky grain reduction-state oxygen carrier enters refeed line in fluidisation, sky is sent back to through returning charge valve
Solid/liquid/gas reactions device；Carbon black is carried in fuel reactor and the flue gas of a small amount of reduction-state oxygen carrier passes sequentially through interconnected water pond
Manage, water leg heat exchanger enters two-stage separator and filter, two-stage series connection cyclone separator, reduction-state oxygen carrier is in one-level
Separated in cyclone separator, refeed line is entered and with entering returning charge valve from fuel reactor bottom by primary cyclone dipleg
After the reduction-state oxygen carrier mixing of refeed line, together returning air reactor completes Matter Transfer, and flue gas goes successively to two
Level cyclone separator, part carbon black, which is separated, enters storage tank, and remaining carbon black is carried through filter collection device point by flue gas
From collection, tail gas is sent to waste heat boiler afterburning through offgas outlet.
The present invention is during charcoal processing is black, and the temperature in air reactor is 1000-1100 DEG C, the temperature of fuel reactor
For 850-950 DEG C；The outer layer chuck that cooling water after water leg heat exchanger is first passed through in double jacket fluid-bed heat exchanger is to adjust
Fuel-economizing temperature, then shell-and-tube exhaust-heat boiler tube side is passed through, and with guiding to shell-and-tube waste heat pot from oxygen denuded air outlet using air-introduced machine
The oxygen denuded air heat exchange of furnace shell journey, the oxygen denuded air after cooling goes to the main import of fluidizing gas respectively and fluidizing gas point import is done
Air inlet is fluidized, and the water after heating leads to external heat user by high temperature water out.
Compared with prior art, during preparing carbon black, coal tar not directly and air contact, but passes through and carried the present invention
Alternating oxidation-reduction reaction of the oxysome between air reactor and fuel reactor realizes the preparation process of carbon black, with
Lower advantage, one is that oxygen carrier under fluidized state is uniformly blended with oil plant, plays good broken atomization oil plant and reinforcing contact
Heat transfer effect, saves the energy needed for mechanical atomization compressed air in Audit For Process；Two are substituted using the Lattice Oxygen of oxygen carrier
Molecular oxygen in ingress of air, simplifies air stoichiometry control, it is to avoid the loss of the excess enthalpy and carbon of oxygen, it is ensured that carbon black productivity；Three are
Air reactor and fuel reactor temperature are well below conventional Audit For Process, and reaction temperature is low, improve the resistance to material life-span, save fortune
Row cost, and due to using oxygen carrier catalytic pyrolysis oil plant c h bond, promote Lattice Oxygen and H reaction, carbon black reaction rate is not
Reduction；Four be due to that temperature is relatively low in fuel reactor, and oil plant not with O in air2Contact, effectively reduces thermal NOxAnd combustion
Material type NOxProduce；Five be that water coil and water leg heat exchanger are provided with the top of fuel reactor, passes through cooling water and flue gas dividing wall type
Heat exchange regulation cigarette temperature, co- controlling/termination carbon black reaction, and the water after heating is sent to waste heat boiler and utilized, compared to high temperature cigarette
Gas spray cooling and the way for causing a large amount of heat loss, with huge power savings advantages, and tail gas water capacity is small, is also sent to waste heat pot
Stove burning is utilized；Six be preheating when oil plant flows back in double jacket heat exchanger by oxygen carrier, mobility increase, beneficial to feeding
Fuel reactor is blended with oxygen carrier, special oil plant warm is saved, with characteristics of energy saving；Seven be air reactor exhaust by
Air-introduced machine leads to the waste heat boiler of bundled tube, is exchanged heat with the water after cooling water coil and jacket heat-exchanger, and cooling final vacuum is
As the fluidisation air inlet of fuel reactor etc., and high-temperature water finally sends out waste heat boiler, it may have what waste heat residual air was recycled
Feature；Its is simple in construction, easy for operation, and maintenance cost is low, and service life is long, less energy consumption, realizes the reasonable utilization of complementary energy,
Disposal of pollutants is effectively reduced, with far-reaching extensively social benefit and commercial Application potential value.
Brief description of the drawings：
Fig. 1 is agent structure principle schematic of the invention.
Embodiment：
The present invention is described further below by specific embodiment and with reference to accompanying drawing.
Embodiment：
The main body of the present embodiment includes air reactor 1, single stage cyclone 2, double jacket fluid-bed heat exchanger 3, combustion
Expect reactor 4, water leg heat exchanger 5, two-stage series connection cyclone separator 6, device for filtering and collecting 7, air reactor blast pipe 8,
Single stage cyclone dipleg 9, feed pipe 10, petroleum pipeline 11, shell-and-tube exhaust-heat boiler 12, air-introduced machine 13, fluidisation air intake branch
14th, cooling water coil 15, primary cyclone dipleg 16, refeed line 17, storage tank 18, oxidation state oxygen carrier 19, reduction-state
Oxygen carrier 20, fluidisation air inlet supervisor 21, fuel reactor air distribution plate 22, returning charge tube valve 23, air reactor air distribution plate 24, coal
Tar pan feeding valve 25, oxygen carrier material inlet valve 26, returning charge valve 27, air intlet A, oxygen denuded air outlet B, fluidizing gas master enter
Mouth C, cooling water inlet D, high temperature water out E, coal tar oil inlet F, fluidizing gas point import G and offgas outlet H；Air reactor
1 is connected by the air reactor blast pipe 8 at top with single stage cyclone 2, and the bottom of air reactor 1 is entered provided with air
Mouth A, the bottom of air reactor 1 is provided with air reactor air distribution plate 24；In air reactor 1 and air reactor blast pipe 8
Flowing has oxidation state oxygen carrier 19, and oxidation state oxygen carrier 19 is generated by the oxygen reaction in reduction-state oxygen carrier 20 and air；It is single
The bottom of level cyclone separator 2 is connected by single stage cyclone dipleg 9 with double jacket fluid-bed heat exchanger 3, single stage cyclone
The top of separator 2 exports B, oxygen denuded air outlet B discharges N provided with oxygen denuded air2Unreacted O less2；Double jacket fluid bed
Heat exchanger 3 is connected by feed pipe 10 with the middle part of fuel reactor 4, and the lower end of fuel reactor 4 is provided with fuel reactor cloth wind
Plate 22, the bottom of fuel reactor air distribution plate 22 is the air compartment connected with fluidisation air inlet supervisor 21, fluidisation air inlet supervisor 21 and stream
Change the main import C connections of gas, fuel reactor 4 is connected with the bottom of air reactor 1 by returning charge valve 27 and refeed line 17, fired
Flowing in returning charge tube valve 23, refeed line 17 is provided with refeed line 17 between material reactor 4 and returning charge valve 27 reduction-state
Oxygen carrier 20；The top of fuel reactor 4 is provided with cooling water coil 15, and the top of cooling water coil 15 is cooling water inlet D, cold
But water coil 15 is connected with water leg heat exchanger 5, the pipeline that the top of fuel reactor 4 passes through the inner chamber of water leg heat exchanger 5
The exhaust for passing through primary cyclone a with the inlet communication of two-stage series connection cyclone separator 6, two-stage series connection cyclone separator 6
The air inlet of mouth and secondary cyclone b is composed in series, and primary cyclone dipleg 16 is connected with refeed line 17, two grades of rotations
Wind separator b bottom is connected with storage tank 18；Device for filtering and collecting 7 is connected with secondary cyclone b exhaust outlet, filtering
The rear portion of collection device 7 is provided with offgas outlet H；The top right side of shell-and-tube exhaust-heat boiler 12 is provided with high temperature water out E；Shell-and-tube
The top of waste heat boiler 12 is communicated with oxygen denuded air outlet B, outer layer chuck and the water leg heat exchange of double jacket fluid-bed heat exchanger 3
Bottom of the device 5 respectively with shell-and-tube exhaust-heat boiler 12 is connected, the internal layer chuck bottom right of double jacket fluid-bed heat exchanger 3 with it is defeated
Oil pipe 11 is connected, and the left side of the internal layer chuck of double jacket fluid-bed heat exchanger 3 is provided with coal tar oil inlet F, connects with coal tar oil inlet F
Logical pipeline is provided with coal tar pan feeding valve 25, and the fluidized-bed bottom of double jacket fluid-bed heat exchanger 3 is provided with fluidizing gas point
Import G；The bottom of petroleum pipeline 11 is connected with fluidisation air intake branch 14, one end and the fluidisation air inlet master of fluidisation air intake branch 14 bottom
Pipe 21 is vertically connected, and the other end of fluidisation air intake branch 14 bottom is provided with 30 ° of tipping tube, tipping tube and the bottom of fuel reactor 4
Portion is connected；The pipeline for fluidizing the upper end of air intake branch 14 is provided with oxygen carrier material inlet valve 26, import and the waste heat pot of air-introduced machine 13
The bottom of stove 12 is connected, and the outlet of air-introduced machine 13 is connected with the main import C of fluidizing gas and fluidizing gas point import G respectively.
Air reactor 1 described in the present embodiment is recirculating fluidized bed, and fuel reactor 4 is bubbling fluidized bed；Double jacket stream
The internal layer chuck of heat exchanger of fluidized bed 3 is coal tar oil lagging, and outer layer chuck is cooling water jecket, and double jacket coats the top of fluid bed
And surrounding；Device for filtering and collecting 7 is constituted using filter cloth bag and exhaust gases passes.
The present embodiment prepares carbon black using coal-tar chemistry chain pyrolysis, when chemical chain pyrolytic reaction starts, air reactor 1
Interior reduction-state oxygen carrier 20 carries out oxidation reaction generation oxidation state oxygen carrier 19 with air, and oxidation state oxygen carrier 19 is taken by air-flow
Band enters single stage cyclone 2 and carries out gas solid separation, and the oxygen denuded air separated is reclaimed by shell-and-tube exhaust-heat boiler 12
Partial heat, is then sent to double jacket fluid-bed heat exchanger 3, fuel reactor 4 and returning charge valve 27 as stream by air-introduced machine 13
Change gas；The oxidation state oxygen carrier 19 separated enters double jacket fluid-bed heat exchanger 3 by single stage cyclone dipleg 9,
Lower oxidation state oxygen carrier 19 is blown in fluidizing gas to preheat the coal tar in the internal layer chuck of double jacket fluid-bed heat exchanger 3, in advance
Coal tar after heat is fallen by petroleum pipeline to be sent in fluidisation air intake branch 14, and the fluidizing gas for being responsible for 21 from fluidizing gas is taken
Band logical crosses the bottom that the oxidation state oxygen carrier that oxygen carrier material inlet valve 26 falls together is sent to fuel reactor 4, and fluidize into
Mixed in gas branch pipe 14 with coal tar, the fluidizing gas in fluidizing gas supervisor 21 is passed through by the bottom plenum of fuel reactor 4,
Coal tar is uniformly dispersed by the oxidation state oxygen carrier of fluidisation, and the c h bond of catalytic pyrolysis coal tar, and oxidation state oxygen carrier 19 discharges
Lattice Oxygen is reacted with H, then carbon, which is separated out, is quickly generated carbon black, oxidation state oxygen carrier generation reduction-state oxygen carrier, bulky grain reduction-state
Oxygen carrier enters refeed line 17 in fluidisation, and air reactor 1 is sent back to through returning charge valve 26；Carry in fuel reactor 4 carbon black and
The flue gas of a small amount of reduction-state oxygen carrier 20 passes sequentially through interconnected water coil 15, water leg heat exchanger 5 and enters two-stage separation
Device and filter, two-stage series connection cyclone separator 6, reduction-state oxygen carrier 20 are separated in primary cyclone a, by one-level
Cyclone dip-leg 16 enters refeed line 17 and the reduction with entering returning charge valve 27 and refeed line 17 from the bottom of fuel reactor 4
After state oxygen carrier 20 is mixed, together returning air reactor 1 completes Matter Transfer, and flue gas goes successively to secondary cyclone
B, part carbon black, which is separated, enters storage tank 18, and remaining carbon black is carried through filter collection device 7 by flue gas and separated and collected, tail
Gas is sent to waste heat boiler afterburning through offgas outlet H.
The present embodiment is during charcoal processing is black, and the temperature in air reactor 1 is 1000-1100 DEG C, fuel reactor 4
Temperature is 850-950 DEG C；Cooling water after water leg heat exchanger 5 is first passed through the outer layer folder in double jacket fluid-bed heat exchanger 3
Cover to adjust oil temperature, then be passed through the tube side of shell-and-tube exhaust-heat boiler 12, and with guiding to pipe from oxygen denuded air outlet B using air-introduced machine 13
The oxygen denuded air heat exchange of the shell side of shell-type waste heat boiler 12, the oxygen denuded air after cooling goes to the main import C of fluidizing gas and stream respectively
Change gas point import G and do fluidisation air inlet, and the water after heating leads to external heat user by high temperature water out E.
Claims (4)
1. a kind of coal-tar chemistry chain pyrolysis prepares the device of carbon black, it is characterised in that agent structure includes air reactor, list
Level cyclone separator, double jacket fluid-bed heat exchanger, fuel reactor, water leg heat exchanger, two-stage series connection cyclone separator, mistake
Filter collection device, air reactor blast pipe, single stage cyclone dipleg, feed pipe, petroleum pipeline, shell-and-tube exhaust-heat boiler,
Air-introduced machine, fluidisation air intake branch, cooling water coil, primary cyclone dipleg, refeed line, storage tank, fluidisation air inlet supervisor,
Fuel reactor air distribution plate, returning charge tube valve, air reactor air distribution plate, coal tar pan feeding valve, oxygen carrier material inlet valve, return
Expect valve, air intlet, oxygen denuded air outlet, the main import of fluidizing gas, cooling water inlet, high temperature water out, coal tar oil inlet, stream
Change gas point import and offgas outlet；Air reactor is connected by the air reactor blast pipe at top with single stage cyclone
Logical, the bottom of air reactor is provided with air intlet, and the bottom of air reactor is provided with air reactor air distribution plate；Air reaction
Device and air reactor exhaust Bottomhole pressure have oxidation state oxygen carrier, and oxidation state oxygen carrier is in reduction-state oxygen carrier and air
Oxygen reaction is generated；The bottom of single stage cyclone is connected by single stage cyclone dipleg and double jacket fluid-bed heat exchanger
Logical, the top of single stage cyclone is exported provided with oxygen denuded air；Double jacket fluid-bed heat exchanger is anti-with fuel by feed pipe
Answer the middle part of device to connect, fuel reactor lower end is provided with fuel reactor air distribution plate, the bottom of fuel reactor air distribution plate be with
The air compartment of air inlet supervisor's connection, fluidisation air inlet supervisor and the main inlet communication of fluidizing gas are fluidized, fuel reactor passes through returning charge valve
It is connected with refeed line with the bottom of air reactor, returning charge pipe valve is provided with the refeed line between fuel reactor and returning charge valve
Door, returning charge Bottomhole pressure has reduction-state oxygen carrier；The top of fuel reactor is provided with cooling water coil, the top of cooling water coil
For cooling water inlet, cooling water coil is connected with water leg heat exchanger, and the top of fuel reactor passes through water leg heat exchanger
The pipeline of inner chamber and the inlet communication of two-stage series connection cyclone separator, two-stage series connection cyclone separator pass through primary cyclone
Exhaust outlet and the air inlet of secondary cyclone be composed in series, primary cyclone dipleg is connected with refeed line, two grades
The bottom of cyclone separator is connected with storage tank；Device for filtering and collecting is connected with the exhaust outlet of secondary cyclone, and filtering is received
The rear portion of acquisition means is provided with offgas outlet；The top right side of shell-and-tube exhaust-heat boiler is provided with high temperature water out；Shell-and-tube waste heat pot
The outlet of the top of stove and oxygen denuded air is communicated, the outer layer chuck and water leg heat exchanger of double jacket fluid-bed heat exchanger respectively with pipe
The bottom connection of shell-type waste heat boiler, the internal layer chuck bottom right of double jacket fluid-bed heat exchanger is connected with petroleum pipeline, double fastener
The left side for covering the internal layer chuck of fluid-bed heat exchanger is provided with coal tar oil inlet, and coal tar is provided with the pipeline of coal tar inlet communication
Oily pan feeding valve, the fluidized-bed bottom of double jacket fluid-bed heat exchanger is provided with fluidizing gas point import；The bottom of petroleum pipeline and stream
Change air intake branch to be connected, one end and the fluidisation air inlet supervisor of fluidisation air intake branch bottom are vertically connected, fluidisation air intake branch bottom
The other end be provided with 30 ° of tipping tube, tipping tube is connected with fuel reactor bottom；Set on the pipeline of fluidisation air intake branch upper end
Have oxygen carrier material inlet valve, the import of air-introduced machine is connected with the bottom of waste heat boiler, the outlet of air-introduced machine respectively with fluidizing gas
Main import is connected with fluidizing gas point import.
2. the pyrolysis of coal-tar chemistry chain prepares the device of carbon black according to claim 1, it is characterised in that the air reaction
Device is recirculating fluidized bed, and fuel reactor is bubbling fluidized bed；The internal layer chuck of double jacket fluid-bed heat exchanger presss from both sides for coal tar
Set, outer layer chuck is cooling water jecket, the top of double jacket cladding fluid bed and surrounding；Device for filtering and collecting uses filter cloth bag
With exhaust gases passes composition.
3. the pyrolysis of coal-tar chemistry chain prepares the device of carbon black according to claim 1, it is characterised in that use coal tar oiling
Learn chain pyrolysis and prepare carbon black, when chemical chain pyrolytic reaction starts, the reduction-state oxygen carrier in air reactor carries out oxygen with air
Change reaction generation oxidation state oxygen carrier, oxidation state oxygen carrier is carried along into single stage cyclone by air-flow and carries out gas solid separation,
The oxygen denuded air separated passes through shell-and-tube exhaust-heat boiler recovery section heat, is then sent to double jacket fluidisation by air-introduced machine
Bed heat exchanger, fuel reactor and returning charge valve are used as fluidizing gas；The oxidation state oxygen carrier separated is separated by single stage cyclone
Device dipleg enters double jacket fluid-bed heat exchanger, and lower oxidation state oxygen carrier is blown by double jacket fluid-bed heat exchanger in fluidizing gas
Coal tar preheating in internal layer chuck, the coal tar after preheating is fallen by petroleum pipeline to be sent in fluidisation air intake branch, to flow automatically
The fluidizing gas of change air inlet supervisor carries the oxidation state oxygen carrier fallen by oxygen carrier material inlet valve and is together sent to fuel reaction
The bottom of device, and mixed in fluidisation air intake branch with coal tar, the fluidizing gas in fluidisation air inlet supervisor is by fuel reactor
Bottom be passed through, coal tar is uniformly dispersed by the oxidation state oxygen carrier of fluidisation, and the c h bond of catalytic pyrolysis coal tar, oxidation state
Oxygen carrier discharges Lattice Oxygen and reacted with H, then carbon, which is separated out, is quickly generated carbon black, oxidation state oxygen carrier generation reduction-state oxygen carrier, greatly
Particle reduction state oxygen carrier enters refeed line in fluidisation, and air reactor is sent back to through returning charge valve；Charcoal is carried in fuel reactor
The flue gas of black and a small amount of reduction-state oxygen carrier passes sequentially through interconnected water coil, water leg heat exchanger and revolved into two-stage series connection
Wind separator and filter, two-stage series connection cyclone separator, reduction-state oxygen carrier are separated in primary cyclone, by one
Level cyclone dip-leg enters refeed line and the reduction-state oxygen carrier with entering returning charge valve and refeed line from fuel reactor bottom
After body mixing, together returning air reactor completes Matter Transfer, and flue gas goes successively to secondary cyclone, part carbon black
It is separated and enters storage tank, remaining carbon black is carried through filter collection device by flue gas and separated and collected, and tail gas is through offgas outlet
It is sent to waste heat boiler afterburning.
4. the pyrolysis of coal-tar chemistry chain prepares the device of carbon black according to claim 2, it is characterised in that in the black process of charcoal processing
In, the temperature in air reactor is 1000-1100 DEG C, and the temperature of fuel reactor is 850-950 DEG C；Through water leg heat exchanger
The outer layer chuck that cooling water afterwards is first passed through in double jacket fluid-bed heat exchanger is to adjust oil temperature, then is passed through shell-and-tube exhaust-heat boiler
Tube side, and with guiding to the oxygen denuded air heat exchange of shell-and-tube exhaust-heat boiler shell side from oxygen denuded air outlet using air-introduced machine, after cooling
Oxygen denuded air go to point import of the main import of fluidizing gas and fluidizing gas respectively and do fluidisation air inlet, and the water after heating is by high temperature
Water out leads to external heat user.
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| CN108410498B (en) * | 2018-04-19 | 2020-10-27 | 大连理工大学 | Chemical chain circulation partial oxidation heavy oil processing method |
| CN109251559B (en) * | 2018-10-12 | 2021-04-09 | 江苏焕鑫新材料股份有限公司 | Recovery treatment process of polyphenol tar |
| CN110360862A (en) * | 2019-07-02 | 2019-10-22 | 清华大学 | Solid Jie's energy-storage system and method based on fluidized bed heating |
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| US20120214106A1 (en) * | 2010-10-13 | 2012-08-23 | Song Sit | Chemical looping combustion |
| US8753108B2 (en) * | 2012-03-30 | 2014-06-17 | Alstom Technology Ltd | Method and apparatus for treatment of unburnts |
| CN103496672B (en) * | 2013-09-30 | 2015-04-29 | 南京理工大学 | Device and process for preparing O2-CO2 mixed gas based on chemical-looping technology |
| CN104229798B (en) * | 2014-09-19 | 2016-03-30 | 东南大学 | Device and the method for work thereof of separating carbon dioxide are worked in coordination with in chain circulation reaction hydrogen manufacturing |
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