CN207121572U - A kind of pyrolysis of coal production of synthetic gas system - Google Patents
A kind of pyrolysis of coal production of synthetic gas system Download PDFInfo
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- CN207121572U CN207121572U CN201720331104.XU CN201720331104U CN207121572U CN 207121572 U CN207121572 U CN 207121572U CN 201720331104 U CN201720331104 U CN 201720331104U CN 207121572 U CN207121572 U CN 207121572U
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Abstract
The utility model proposes a kind of pyrolysis of coal production of synthetic gas system, the system includes：It is pyrolyzed hopper；First feed arrangement, the first feed arrangement are connected with the pyrolysis hopper；Pyrolysis reactor, including：Charging aperture, pyrolysis gas outlet, multiple pyrolysis chambers and multiple radiant tube rooms, charging aperture is arranged on the roof of each pyrolysis chamber, pyrolysis hopper is connected by the first feed arrangement with charging aperture, and pyrolysis gas outlet is arranged in the side wall of each radiant tube room and each pyrolysis chamber, and：Thermal conductor, the thermal conductor laterally has along the reactor to be positioned apart from, and vertically through in reactor, the inner space of reactor is separated into multiple chambers as multiple pyrolysis chambers and multiple radiant tube rooms, and pyrolysis chamber and radiant tube room are arranged alternately；Heat accumulation type radiant tube, for short transverse multi-tier arrangement of the heat accumulation type radiant tube along reactor in radiant tube chamber interior, the system process is simple, and the thermal efficiency is high, and cost is low and simple to operate.
Description
Technical field
The utility model belongs to pyrolysis of coal aerogenesis technical field, is mainly based upon heat accumulation type radiant tube heating pyrolysis of coal system
With producing synthesis gas system, and in particular to a kind of pyrolysis of coal production of synthetic gas system.
Background technology
Rich coal resources in China, in addition to raw coal is used for coking, conversion processing except part, the overwhelming majority is used to directly fire
Burn.Coal is directly burnt, and the petroleum resources for causing to be rich in coal is not obtained also sufficiently refining and utilized, and the direct combustion heat
Efficiency is low, serious to environmental disruption.The pyrolysis of coal is to heat coal under an inert atmosphere, produces the production such as semicoke, coal gas and tar
Product, these obtained products, the synthesis of coal while fully extraction to petroleum resources, can be improved again with cascade utilization again
Utilization ratio.Pyrolytic process of coal can be divided into external-heat and the class of internal heat type two.External heating type heat efficiency is low, and volatility product twice decomposition is tight
Weight；The shortcomings that internal heat type technique overcomes external-heat, by heat carrier（Solid thermal carriers and gas heat carrier）Heat transfer
To coal.Gas heat carrier technique, carbonization gas be present and rushed dilute, condensate recovery system is huge, and gas heating value is low, it is difficult to be further comprehensive
Close the shortcomings that utilizing.Comparatively solid thermal carriers technique has certain advantage, but complex process operation link be present too
It is more, the shortcomings of manufacturing cost is high.Therefore, the pyrolysis of coal production that a kind of technique is simple, efficiency high and cost are cheap how is designed to close
Turn into the technical problem of this area urgent need to resolve into gas system.
Utility model content
The utility model is in view of the shortcomings of the prior art, it is proposed that a kind of pyrolysis of coal production of synthetic gas system, the system process
Simply, the thermal efficiency is high, and cost is low and simple to operate.
In order to solve the above technical problems, the technical scheme that the utility model is taken is：The utility model proposes a kind of coal
It is pyrolyzed production of synthetic gas system, it is characterised in that including：It is pyrolyzed hopper；First feed arrangement, first feed arrangement with it is described
It is pyrolyzed hopper connection；Pyrolysis reactor, including：Charging aperture, pyrolysis gas outlet, multiple pyrolysis chambers and multiple radiant tube rooms, it is described
Charging aperture is arranged on the roof of each pyrolysis chamber, and the pyrolysis hopper passes through first feed arrangement and the charging
Mouth is connected, and the pyrolysis gas outlet is arranged in the side wall of each radiant tube room and each pyrolysis chamber, and：Thermal conductor,
The thermal conductor laterally has along the reactor to be positioned apart from, and vertically through in the reactor, will it is described instead
Answer the inner space of device to be separated into multiple chambers as the multiple pyrolysis chamber and multiple radiant tube rooms, and the pyrolysis chamber and
Radiant tube room is arranged alternately；Heat accumulation type radiant tube, short transverse multi-tier arrangement of the heat accumulation type radiant tube along the reactor
In the radiant tube chamber interior, the thermal conductor makes the heat accumulation type radiant tube of the radiant tube chamber interior and the pyrolysis chamber
In be separated, using radiant heat in pyrolysis chamber material carry out pyrolysis processing, prevent the heat accumulation type radiant tube
Coking and abrasion；Spray column, the spray column are connected with the pyrolysis gas outlet；Tar tank, the tar tank and the spray
Tower connects；Reburner, the reburner are connected with the spray column；Fuel cartridge, the fuel cartridge are connected with the reburner.
Further, multiple pore areas are provided with the thermal conductor, the aperture of the pore area is 3-30mm, its total perforate face
Product accounts for the 20-60% of the thermal conductor gross area.
Further, further comprise：Combustion gas air-introduced machine, one end of the combustion gas air-introduced machine and the outlet of the spray column
It is connected, the other end is connected with the import of the reburner.
Further, in addition to：Loading hopper；Second feed arrangement, it is connected with the loading hopper；Drying device, its point
It is not connected with the exhanst gas outlet on second feed arrangement and the heat accumulation type radiant tube；Gas-solid separating device, its respectively with
The drying device is connected with the pyrolysis hopper；Exhaust gas cleaner, it passes through tail gas air-introduced machine and the gas solid separation
Device is connected；Chimney, the chimney are connected with the exhaust gas cleaner.
Further, further comprise that semicoke exports, the semicoke outlet is arranged on each pyrolysis chamber and each spoke
The bottom of pipe room is penetrated, the semicoke outlet is connected with semicoke conveying device.
Further, the thermal conductor is the metal material that readily conducts heat, and first feed arrangement is rotary feeder.
The utility model comprises at least following beneficial effect：
1）Heat accumulation type radiant tube moving bed pyrolysis reactor heating below 20mm coal charge is taken, uniformity of temperature profile, is added
Thermal effect is good, and reaction system is simple in construction, easy to operate；
2）Pyrolysis gas is not diluted, and pyrolysis gas calorific value is high；
3）Pyrolysis reactor is vertical heater, simple in construction, saves construction cost and floor space；
4）Set thermal conductor that the inner space of the reactor is separated into as the multiple pyrolysis chamber and multiple radiation
Multiple chambers of pipe room, and the pyrolysis chamber and radiant tube room are arranged alternately, in the case of abundant pyrolysis, the thermal conductor makes
The heat accumulation type radiant tube of the radiant tube chamber interior is separated with the charging in the pyrolysis chamber, using radiant heat to heat
The indoor material of solution carries out pyrolysis processing, effectively prevent material and is contacted with heat accumulation type radiant tube, prevents heat accumulation type radiant tube from grinding
Damage, coking, the service life of heat accumulation type radiant tube is extended, improve system operation reliability；
5）Pyrolysis gas enters in reburner, can be carbon monoxide and hydrogen by methane and a small number of more carbon gaseous hydrocarbons, close
Into multiple product.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model pyrolysis of coal production of synthetic gas system.
Wherein, 1. loading hopper；101. the second feed arrangement；2. riser drier；3. thermal storage type moving bed pyrolytic reaction
Device；301. pyrolysis chamber；302. radiant tube rooms；303. thermal conductor；304. charging aperture；305. pyrolysis gas outlet；306. heat accumulating type spokes
Penetrate pipe；307. exhanst gas outlet；308. air intake；309. semicokes export；4. dry cyclone separator；5. it is pyrolyzed hopper；6. tail
Gas air-introduced machine；7. exhaust gas cleaner；8. chimney；9. rotary feeder；10. spray column；11. tar tank；12. combustion gas air inducing
Machine；13. reburner；14. conveying worm；15. fuel cartridge.
Embodiment
In order that those skilled in the art more fully understand the technical solution of the utility model, with reference to specific embodiment
The utility model is described in further detail.The embodiments described below is exemplary, is only used for explaining that this practicality is new
Type, and it is not intended that to limitation of the present utility model.Unreceipted particular technique or condition in embodiment, according in the art
Document described by technology or condition or carried out according to product description.
According to embodiment of the present utility model, the utility model proposes a kind of pyrolysis of coal production of synthetic gas system, Fig. 1 is this
The structural representation of utility model pyrolysis of coal production of synthetic gas system, shown in reference picture 1, the system includes：It is pyrolyzed hopper 5, first
Feed arrangement, pyrolysis reactor 3, thermal conductor 303, heat accumulation type radiant tube 306, spray column 10, tar tank 11, reburner 13, combustion
Gas tank 15, combustion gas air-introduced machine 12, loading hopper 1, the second feed arrangement 101, drying device, gas-solid separating device, tail gas clean-up dress
Put 7, chimney 8 and semicoke conveying device.
Inventor has found, takes heat accumulation type radiant tube to move according to the pyrolysis of coal production of synthetic gas system of the utility model embodiment
Dynamic bed pyrolysis reactor heating below 20mm coal charge, uniformity of temperature profile, heating effect is good, and reaction system is simple in construction, behaviour
Facilitate；Also, pyrolysis gas is not diluted, pyrolysis gas calorific value is high；Pyrolysis reactor is vertical heater simultaneously, simple in construction, is saved
Construction cost and floor space；In addition, set thermal conductor that the inner space of the reactor is separated into as the multiple heat
Multiple chambers of room and multiple radiant tube rooms are solved, and the pyrolysis chamber and radiant tube room are arranged alternately, in situation about being fully pyrolyzed
Under, the thermal conductor is divided the heat accumulation type radiant tube of the radiant tube chamber interior and the charging in the pyrolysis chamber
Every, using radiant heat pyrolysis processing is carried out to the material in pyrolysis chamber, effectively prevent material and contacted with heat accumulation type radiant tube, it is anti-
Only heat accumulation type radiant tube abrasion, coking, the service life of heat accumulation type radiant tube is extended, improves system operation reliability；And
Pyrolysis gas enters in reburner, can be carbon monoxide and hydrogen by methane and a small number of more carbon gaseous hydrocarbons, synthesize multiple product.
According to embodiment of the present utility model, do not limited especially suitable for the type of furnace of the reactor of the synthesis gas system
System, can be that thermal storage type moving bed pyrolysis reactor can also be other types, such as non-heat accumulating type or non-moving type, this practicality
New is preferably heat accumulation type radiant tube moving bed pyrolysis reactor 3, and is vertical heater.
According to embodiment of the present utility model, shown in reference picture 1, the pyrolysis reactor 3 includes：Charging aperture 304, pyrolysis
Gas outlet 305, multiple pyrolysis chambers 301 and multiple radiant tube rooms 302, the charging aperture are arranged on the roof of each pyrolysis chamber
On, the pyrolysis hopper is connected by first feed arrangement with the charging aperture, and the pyrolysis gas outlet is arranged on described
Be connected in the side wall of each radiant tube room and each pyrolysis chamber and with spray column, for pyrolysis gas is passed through in spray column carry out it is cold
Solidifying and purified treatment, in addition, pyrolysis gas outlet is set in the side wall of each radiant tube room, for will enter through the pore area
The a small amount of pyrolysis gas for entering radiant tube chamber interior is discharged by pyrolysis gas outlet, safeguards the environment of radiant tube chamber interior.
According to embodiment of the present utility model, shown in reference picture 1, first feed arrangement connects with the pyrolysis hopper
Connect, the specific species of the first feed arrangement described in the utility model is unrestricted, as long as the pyrolysis material that will can be pyrolyzed in hopper
It is effectively delivered into reactor.In some embodiments of the utility model, the first feed arrangement 9 can enter for star
Glassware or conveying worm, the utility model are preferably rotary feeder 9, and thereby, it is possible to realize that the automation to pyrolysis material is defeated
Send, conveying capacity is controllable, and device structure is simple, easy to operate.
According to embodiment of the present utility model, shown in reference picture 1, the thermal conductor 303 laterally has along the reactor
It is positioned apart from, and vertically through in the reactor, the inner space of the reactor is separated into as described more
Individual pyrolysis chamber 301 and multiple chambers of multiple radiant tube rooms 302, and the pyrolysis chamber and radiant tube room are arranged alternately；Wherein, institute
It is unrestricted to state the specific species of thermal conductor, as long as there is the characteristic to readily conduct heat, thermal conductor described in the utility model is preferred
For the metal material to readily conduct heat, and multiple pore areas being provided with the thermal conductor, the aperture of the pore area is 3-30mm, its
Total open area accounts for the 20-60% of the thermal conductor gross area, enables to the material in pyrolysis chamber to pass through radiant tube chamber interior
Heat accumulation type radiant tube is sufficiently pyrolyzed.
According to embodiment of the present utility model, shown in reference picture 1, the heat accumulation type radiant tube 306 is provided with：Exhanst gas outlet
307 and air intake 308, and the exhanst gas outlet is connected with the drying device, passes through the flue gas that heat accumulation type radiant tube is discharged
It is sent into the drying device and material is dried, sky is passed through into the heat accumulation type radiant tube by the air intake
Gas；Short transverse multi-tier arrangement of the heat accumulation type radiant tube along the reactor is in the radiant tube chamber interior, the heat transfer
Body makes the heat accumulation type radiant tube of the radiant tube chamber interior and the charging in the pyrolysis chamber be separated, utilize radiant heat
Pyrolysis processing is carried out to the material in pyrolysis chamber, prevents the heat accumulation type radiant tube coking and abrasion；According to of the present utility model
Some embodiments, the concrete shape of heat accumulation type radiant tube described in the utility model is unrestricted, can be it is cylindrical or square,
The utility model is preferably DN200-300 cylindrical tube, and the level interval of heat accumulation type radiant tube is 200-500mm, vertically
Spacing is 200-700mm, and the heat accumulation type radiant tube number of plies is 10-25 layers, and pyrolysis reactor width is 2-6m, is highly 3-20m.
According to embodiment of the present utility model, shown in reference picture 1, spray column 10 described in the utility model and the pyrolysis gas
Outlet 305 connection, by the pyrolysis gas outlet of the radiant tube room and pyrolysis chamber discharge oil gas enter spray column in carry out it is cold
Solidifying and purified treatment；The tar tank 11 is connected with the spray column 10, it is condensed after cold oil enter the tar tank in
Storage；The reburner 13 is connected with the spray column, it is purified after not solidifying pyrolysis gas enter reburner, in the reburner
In, not solidifying pyrolysis gas is converted into synthesis gas；According to some embodiments of the utility model, the not solidifying pyrolysis gas includes：Methane
With more carbon appropriate hydrocarbon gas, the synthesis gas is carbon monoxide and Hydrogen synthesis gas, and the fuel cartridge 15 is connected with the reburner 13,
The synthesis gas is stored into fuel cartridge, can produce the multiple products such as methanol, ethylene glycol, acetic acid.
According to embodiment of the present utility model, shown in reference picture 1, one end of combustion gas air-introduced machine described in the utility model and institute
The outlet for stating spray column is connected, and the other end is connected with the import of the reburner, is set up between the spray column and reburner
The combustion gas air-introduced machine, the not solidifying pyrolysis gas after quickly and efficiently being purified in spray column are delivered in reburner, favorably
In raising operating efficiency.
According to embodiment of the present utility model, shown in reference picture 1, second feed arrangement 101 and the phase of loading hopper 1
Even；The drying device is connected with the exhanst gas outlet on second feed arrangement and the heat accumulation type radiant tube respectively；It is described
Gas-solid separating device is connected with the drying device and the pyrolysis hopper respectively；The exhaust gas cleaner is drawn by tail gas
Blower fan is connected with the gas-solid separating device；The chimney is connected with the exhaust gas cleaner；Thus, it is possible to pass through second
Feed arrangement adds the pyrolysis material in loading hopper in drying device, and in drying device, pyrolysis material is from heat accumulating type spoke
Penetrate in the presence of the flue gas (temperature be 150-250 DEG C) of pipe and be dried, then the mixture of dried pyrolysis material and flue gas
Into gas-solid separating device, the flue gas (temperature is 70-130 DEG C) for separating acquisition enters in exhaust gas cleaner and carried out at purification
Reason, to realize qualified discharge, the pyrolysis material for separating acquisition is delivered to pyrolysis hopper and then by entering described in the first feed arrangement warp
Material mouth is delivered in the multiple pyrolysis chamber, for carrying out pyrolytic reaction.
According to embodiment of the present utility model, shown in reference picture 1, the semicoke outlet 309 is arranged on each pyrolysis
Room and the bottom of each radiant tube room, the semicoke outlet are connected with semicoke conveying device, and the radiant tube bottom is provided with semicoke
Outlet, discharged for a small amount of pyrolysis material for entering radiant tube chamber interior through the pore area to be exported by semicoke, safeguard radiation
The space environment of pipe chamber interior；The semicoke conveying device 14 is preferably conveying worm 14.
According to embodiment of the present utility model, the specific species of the second feed device is not particularly limited, as long as being applied to
Pyrolysis material in loading hopper is delivered in drying device.In some embodiments of the utility model, the second feeding dress
Putting can be star feeder or feed screw.Thereby, it is possible to realize the Automatic Conveying to pyrolysis material, and conveying capacity can
Control, device structure is simple, easy to operate.
According to embodiment of the present utility model, the specific species of drying device is not particularly limited, as long as can realize pair
It is pyrolyzed the drying and preheating of material and the function of lifting.In some embodiments of the utility model, drying device 2 is preferably to carry
Riser drier 2, thus, pyrolysis material are dried and lifted in the presence of flue gas, and dried pyrolysis material is mixed with flue gas
Compound discharges riser drier, is advantageous to subsequent step progress；It is same pyrolysis material is dried in drying device
When, the function of preheating is also achieved, is advantageous to improve the speed and efficiency of follow-up pyrolytic reaction, and is arranged using heat accumulation type radiant tube
The flue gas gone out is dried and preheated to pyrolysis material, realizes the comprehensive utilization of heat energy, effectively reduces energy consumption, has reached energy-conservation
The purpose of environmental protection.
According to embodiment of the present utility model, the specific species of gas-solid separating device is not particularly limited, as long as can incite somebody to action
Pyrolysis material separates with flue gas.In some embodiments of the utility model, gas-solid separating device 4 can be to dry whirlwind point
From device 4, separated thus, it is possible to will quickly and efficiently be pyrolyzed material and flue gas, and good separating effect, it is simple to operate, into
This is relatively low.
, can also be further between gas-solid separating device and exhaust gas cleaner 7 according to embodiment of the present utility model
Tail gas air-introduced machine 6 is provided with, tail gas air-introduced machine quickly and efficiently can convey the flue gas that acquisition is separated in gas-solid separating device
Into exhaust gas cleaner, be advantageous to improve operating efficiency.
According to embodiment of the present utility model, the system is also provided with the chimney 8 being connected with exhaust gas cleaner, warp
The flue gas crossed after exhaust gas cleaner purified treatment empties through chimney, thus, is advantageous to environmental protection, reduces pollution.
In another aspect of the present utility model, there is provided a kind of to carry out pyrolysis of coal using above-mentioned pyrolysis of coal production of synthetic gas system
The method of production of synthetic gas, according to embodiment of the present utility model, comprise the following steps：
A. the particulate coal that granularity is below 20mm is entered into riser drier through the second feed arrangement by loading hopper, led to
The temperature for crossing the heat accumulation type radiant tube smoke outlet of pyrolysis reactor is that 150-250 DEG C of flue gas coal is dried and in advance
Heat, it is then lifted out entering gas-solid separating device, the coal of separation is by being pyrolyzed hopper by the first feed arrangement through the charging
Mouth, which enters in the pyrolysis chamber of the reactor, to be pyrolyzed, and the flue gas of separation enters exhaust gas cleaner through tail gas air-introduced machine, only
Flue gas after change is discharged through chimney.
According to embodiment of the present utility model, shown in reference picture 1, second feed arrangement is connected with the loading hopper；
The drying device is connected with the exhanst gas outlet on second feed arrangement and the heat accumulation type radiant tube respectively；The gas-solid
Separator is connected with the drying device and the pyrolysis hopper respectively；The exhaust gas cleaner passes through tail gas air-introduced machine
It is connected with the gas-solid separating device；The chimney is connected with the exhaust gas cleaner.
B. the coal separated stops 10-100min from top to bottom in each pyrolysis chamber, by dividing with the pyrolysis chamber
High temperature pyrolysis is carried out every the heat accumulation type radiant tube of the radiant tube chamber interior of setting, the high-temperature temperature is 500-600 DEG C, completes heat
Solution preocess, it is that 150-250 DEG C of flue gas is entered by the heat accumulation type radiant tube exhanst gas outlet of pyrolysis reactor with caused temperature
Drying device, recycle.
C. oil gas caused by pyrolysis is entered in spray column by the pyrolysis gas outlet of the radiant tube room and pyrolysis chamber and carried out
Condensation and purified treatment, semicoke caused by pyrolysis exports through the semicoke of the pyrolysis chamber and radiant tube room bottom enters the semicoke
Conveying device is discharged.
According to embodiment of the present utility model, shown in reference picture 1, the pyrolysis reactor includes：Charging aperture, pyrolysis gas go out
Mouth, multiple pyrolysis chambers and multiple radiant tube rooms, the charging aperture are arranged on the roof of each pyrolysis chamber, the pyrolysis material
Bucket be connected by first feed arrangement with the charging aperture, the pyrolysis gas outlet be arranged on it is described each radiant tube room with
It is connected in the side wall of each pyrolysis chamber and with spray column, is condensed and purified treatment for pyrolysis gas to be passed through in spray column,
In addition, pyrolysis gas outlet is set in the side wall of each radiant tube room, for will enter through the pore area in radiant tube room
A small amount of pyrolysis gas in portion is discharged by pyrolysis gas outlet, safeguards the environment of radiant tube chamber interior.
According to embodiment of the present utility model, shown in reference picture 1, the semicoke outlet be arranged on each pyrolysis chamber and
The bottom of each radiant tube room, the semicoke outlet are connected with semicoke conveying device, and the radiant tube bottom exports provided with semicoke,
Discharge, safeguarded in radiant tube room for a small amount of pyrolysis material for entering radiant tube chamber interior through the pore area to be exported by semicoke
The space environment in portion.
D. the cold oil after condensed, which enters in tar tank, to be stored, it is purified after not solidifying pyrolysis gas enter through combustion gas pressure fan
Enter reburner, in the reburner, not solidifying pyrolysis gas is converted into synthesis gas.
E. the synthesis gas is stored into fuel cartridge.
According to some embodiments of the utility model, the not solidifying pyrolysis gas includes：Methane and more carbon appropriate hydrocarbon gas, the conjunction
It is carbon monoxide and Hydrogen synthesis gas into gas, the synthesis gas is stored into fuel cartridge, can produce methanol, ethylene glycol, vinegar
The multiple products such as acid.
Specific embodiment：Lignite is handled using pyrolysis of coal production of synthetic gas system, the basic data of raw material is shown in Table 1.
Table 1：Lignite basic data
Lignite is handled using the system, pyrolysis gas calorific value is up to 6000kcal/m3, quality height.System thermal transition efficiency reaches
To more than 90%.Heat accumulation type radiant tube is after application in 5000 hours, no coking, wear phenomenon, service life length.
Inventor has found, takes heat accumulation type radiant tube to move according to the pyrolysis of coal production of synthetic gas system of the utility model embodiment
Dynamic bed pyrolysis reactor heating below 20mm coal charge, uniformity of temperature profile, heating effect is good, and reaction system is simple in construction, behaviour
Facilitate；Also, pyrolysis gas is not diluted, pyrolysis gas calorific value is high；Pyrolysis reactor is vertical heater simultaneously, simple in construction, is saved
Construction cost and floor space；In addition, set thermal conductor that the inner space of the reactor is separated into as the multiple heat
Multiple chambers of room and multiple radiant tube rooms are solved, and the pyrolysis chamber and radiant tube room are arranged alternately, in situation about being fully pyrolyzed
Under, the thermal conductor is divided the heat accumulation type radiant tube of the radiant tube chamber interior and the charging in the pyrolysis chamber
Every, using radiant heat pyrolysis processing is carried out to the material in pyrolysis chamber, effectively prevent material and contacted with heat accumulation type radiant tube, it is anti-
Only heat accumulation type radiant tube abrasion, coking, the service life of heat accumulation type radiant tube is extended, improves system operation reliability；And
Pyrolysis gas enters in reburner, can be carbon monoxide and hydrogen by methane and a small number of more carbon gaseous hydrocarbons, synthesize multiple product.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be
Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two
The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis
Concrete condition understands concrete meaning of the above-mentioned term in the utility model.
In the utility model, unless otherwise clearly defined and limited, fisrt feature is "above" or "below" second feature
Can be that the first and second features directly contact, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Sign second feature " on ", " top " and " above " can be fisrt feature directly over second feature or oblique upper, or only
Represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be with
Be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height and be less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present utility model.In this manual, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, specific features, structure, material or the feature of description can be
Combined in an appropriate manner in any one or more embodiments or example.In addition, in the case of not conflicting, this area
Technical staff can be carried out the different embodiments or example and the feature of different embodiments or example described in this specification
With reference to and combination.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification, meanwhile, for those of ordinary skill in the art, foundation
The thought of the application, in specific embodiments and applications there will be changes.
Claims (6)
- A kind of 1. pyrolysis of coal production of synthetic gas system, it is characterised in that including：It is pyrolyzed hopper；First feed arrangement, first feed arrangement are connected with the pyrolysis hopper；Pyrolysis reactor, including：Charging aperture, pyrolysis gas outlet, multiple pyrolysis chambers and multiple radiant tube rooms, the charging aperture are set On the roof of each pyrolysis chamber, the pyrolysis hopper is connected by first feed arrangement with the charging aperture, institute Pyrolysis gas outlet is stated to be arranged in the side wall of each radiant tube room and each pyrolysis chamber, and：Thermal conductor, the thermal conductor laterally has along the reactor to be positioned apart from, and vertically through in the reactor It is interior, the inner space of the reactor is separated into multiple chambers as the multiple pyrolysis chamber and multiple radiant tube rooms, and The pyrolysis chamber and radiant tube room are arranged alternately；Heat accumulation type radiant tube, short transverse multi-tier arrangement of the heat accumulation type radiant tube along the reactor is in the radiant tube room Inside, the thermal conductor are divided the heat accumulation type radiant tube of the radiant tube chamber interior and the charging in the pyrolysis chamber Every, using radiant heat in pyrolysis chamber material carry out pyrolysis processing, prevent the heat accumulation type radiant tube coking and abrasion；Spray column, the spray column are connected with the pyrolysis gas outlet；Tar tank, the tar tank are connected with the spray column；Reburner, the reburner are connected with the spray column；Fuel cartridge, the fuel cartridge are connected with the reburner.
- 2. system according to claim 1, it is characterised in that multiple pore areas, the pore area are provided with the thermal conductor Aperture be 3-30mm, its total open area accounts for the 20-60% of the thermal conductor gross area.
- 3. system according to claim 1, it is characterised in that further comprise：Combustion gas air-introduced machine, the combustion gas air-introduced machine One end be connected with the outlet of the spray column, the other end is connected with the import of the reburner.
- 4. system according to claim 1, it is characterised in that also include：Loading hopper；Second feed arrangement, its with it is described Loading hopper is connected；Drying device, it connects with the exhanst gas outlet on second feed arrangement and the heat accumulation type radiant tube respectively Connect；Gas-solid separating device, it is connected with the drying device and the pyrolysis hopper respectively；Exhaust gas cleaner, it passes through Tail gas air-introduced machine is connected with the gas-solid separating device；Chimney, the chimney are connected with the exhaust gas cleaner.
- 5. system according to claim 1, it is characterised in that further comprise that semicoke exports, the semicoke outlet is set In each pyrolysis chamber and the bottom of each radiant tube room, the semicoke outlet is connected with semicoke conveying device.
- 6. system according to claim 1, it is characterised in that the thermal conductor is readily conducts heat metal material, and described first Feed arrangement is rotary feeder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720331104.XU CN207121572U (en) | 2017-03-31 | 2017-03-31 | A kind of pyrolysis of coal production of synthetic gas system |
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| CN201720331104.XU CN207121572U (en) | 2017-03-31 | 2017-03-31 | A kind of pyrolysis of coal production of synthetic gas system |
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| CN106833704A (en) * | 2017-03-31 | 2017-06-13 | 北京神雾电力科技有限公司 | A kind of pyrolysis of coal production of synthetic gas system and method |
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