CN207121571U - A kind of combined coal pyrolysis gas power generation system - Google Patents
A kind of combined coal pyrolysis gas power generation system Download PDFInfo
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- CN207121571U CN207121571U CN201720330828.2U CN201720330828U CN207121571U CN 207121571 U CN207121571 U CN 207121571U CN 201720330828 U CN201720330828 U CN 201720330828U CN 207121571 U CN207121571 U CN 207121571U
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Abstract
A kind of combined coal pyrolysis gas power generation system is the utility model is related to, including：It is pyrolyzed hopper；First feed arrangement；Pyrolysis reactor, including：Charging aperture, pyrolysis gas outlet, multiple pyrolysis chambers and multiple radiant tube rooms, and：Thermal conductor, the inner space of reactor is separated into multiple chambers as multiple pyrolysis chambers and multiple radiant tube rooms by the thermal conductor, and pyrolysis chamber and radiant tube room are arranged alternately；Heat accumulation type radiant tube, thermal conductor make being separated, carrying out pyrolysis processing to the material in pyrolysis chamber using radiant heat in the heat accumulation type radiant tube and pyrolysis chamber of the radiant tube chamber interior, prevent heat accumulation type radiant tube coking and abrasion；Spray column；Tar tank；Gas regulating device, gas regulating device one end are connected with fuel cartridge, and the other end is connected with the fuel gas inlet of heat accumulation type radiant tube；Fuel cartridge；Generating set, generating set are connected with fuel cartridge, and the system thermal efficiency is high, and technique is simple, and cost is cheap, makes full use of coal resource to be generated electricity.
Description
Technical field
The utility model belongs to pyrolysis of coal and fuel gas buring technical field of power generation, is mainly based upon heat accumulation type radiant tube and adds
Hot particle pyrolysis of coal is to produce tar, combustible gas and semicoke product and combined generating system, and in particular to a kind of combined coal pyrolysis
Gas power generation 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 how to design it is a kind of efficiently using coal resource, the system that technique is simple and cost is cheap
As the technical problem of this area urgent need to resolve.
Utility model content
The utility model is in view of the shortcomings of the prior art, it is proposed that a kind of combined coal pyrolysis gas power generation system, the system
The thermal efficiency is high, and technique is simple, and cost is cheap, makes full use of coal resource to be generated electricity.
In order to solve the above technical problems, the technical scheme that the utility model is taken is：
The utility model provides a kind of combined coal pyrolysis gas power generation 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 arranged on the roof of each pyrolysis chamber, the pyrolysis
Hopper is connected by first feed arrangement with the charging aperture, and the pyrolysis gas outlet is arranged on each radiant tube room
In the side wall of 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, the inner space of the reactor is separated into as the multiple pyrolysis chamber and multiple
Multiple chambers of radiant tube room, and the pyrolysis chamber and radiant tube room are arranged alternately；Heat accumulation type radiant tube, the heat accumulating type radiation
In the radiant tube chamber interior, the thermal conductor makes in the radiant tube room short transverse multi-tier arrangement of the pipe along the reactor
The heat accumulation type radiant tube in portion and being separated in the pyrolysis chamber, the material in pyrolysis chamber is entered using radiant heat
Row pyrolysis processing, prevent the heat accumulation type radiant tube coking and abrasion；Spray column, the spray column connect with the pyrolysis gas outlet
Connect；Tar tank, the tar tank are connected with the spray column；Gas regulating device, described gas regulating device one end and combustion gas
Tank is connected, and the other end is connected with the fuel gas inlet of heat accumulation type radiant tube；Fuel cartridge, the fuel cartridge are adjusted with the combustion gas respectively
Device, the spray column connect with generating set；Generating set, the generating set are connected with the fuel cartridge.
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 are connected with the spray column,
The other end is connected with the fuel cartridge.
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）Not solidifying pyrolysis gas caused by pyrolysis is into fuel cartridge, and a part can enter jet dynamic control, combustion power generation,
Another part is sent into heat accumulation type radiant tube by gas regulating device is used as thermal source offer energy, fully recycles coal money
Source, and the pyrolysis throughput of pyrolysis reactor is passed through by controlling gas regulating device to control through fuel cartridge, circulation control
The yield vented one's spleen is heated, and then the generated energy of jet dynamic control can be controlled；
2）Take heat accumulation type radiant tube moving bed pyrolysis reactor heating below 20mm coal, uniformity of temperature profile, heating
Effect is good, and reaction system is simple in construction, easy to operate；
3）Pyrolysis gas is not diluted, and pyrolysis gas calorific value is high；
4）Vertical heater, it is simple in construction, save construction cost and floor space；
5）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.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model combined coal pyrolysis gas power generation 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. fuel gas inlet；308. exhanst gas outlet；309. air intake；310. 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-introduced machine；13. fuel cartridge；1301. gas regulating device；14. conveying worm；15. jet dynamic control.
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 combined coal pyrolysis gas power generation system, Fig. 1
For the structural representation of the utility model combined coal pyrolysis gas power generation system, shown in reference picture 1, the system includes：Pyrolysis material
Struggle against the 5, first feed arrangement, pyrolysis reactor 3, thermal conductor 303, heat accumulation type radiant tube 306, spray column 10, tar tank 11, combustion gas
Adjusting means 1301, fuel cartridge 13, generating set 15, combustion gas air-introduced machine 12, loading hopper 1, the second feed arrangement 101, dry dress
Put, gas-solid separating device, exhaust gas cleaner 7, chimney 8 and semicoke conveying device.
Inventor has found, is not coagulated according to caused by the pyrolysis of the combined coal pyrolysis gas power generation system of the utility model embodiment
Pyrolysis gas enters in fuel cartridge, and a part can enter jet dynamic control, combustion power generation, and another part passes through gas regulating device
It is sent into heat accumulation type radiant tube and provides energy as thermal source, fully recycles coal resource, and by controlling combustion gas regulation dress
The pyrolysis throughput that pyrolysis reactor is passed through through fuel cartridge, the yield of loop control pyrolysis gas can be controlled by putting, and then can be controlled
The generated energy of jet dynamic control processed；Heat accumulation type radiant tube moving bed pyrolysis reactor heating below 20mm coal is taken simultaneously,
Uniformity of temperature profile, heating effect is good, and reaction system is simple in construction, easy to operate；And pyrolysis gas is not diluted, pyrolysis gas heat
Value is high；It is simple in construction meanwhile pyrolysis reactor uses vertical heater, save construction cost and floor space；In addition, heat transfer is set
The inner space of the reactor is separated into multiple chambers as the multiple pyrolysis chamber and multiple radiant tube rooms, and institute by body
State pyrolysis chamber and radiant tube room to be arranged alternately, in the case of abundant pyrolysis, the thermal conductor makes the radiant tube chamber interior
Being separated, heat carried out to the material in pyrolysis chamber using radiant heat in the heat accumulation type radiant tube and the pyrolysis chamber
Solution processing, effectively prevent material and is contacted with heat accumulation type radiant tube, prevents heat accumulation type radiant tube abrasion, coking, extends accumulation of heat
The service life of formula radiant tube, improve system operation reliability.
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：Fuel gas inlet
307th, exhanst gas outlet 308 and air intake 309, wherein, the fuel gas inlet is connected with the gas regulating device 1301, is used for
The not solidifying pyrolysis gas controlled to adjust by the gas regulating device is passed through in heat accumulation type radiant tube again and promotes to burn, it is described
Exhanst gas outlet is connected with the drying device, and the flue gas discharged by heat accumulation type radiant tube is sent into the drying device to material
It is dried, air is passed through into the heat accumulation type radiant tube by the air intake；The heat accumulation type radiant tube is described in
For the short transverse multi-tier arrangement of reactor in the radiant tube chamber interior, the thermal conductor makes the described of the radiant tube chamber interior
Heat accumulation type radiant tube and being separated, being carried out using radiant heat to the material in pyrolysis chamber at pyrolysis in the pyrolysis chamber
Reason, prevents the heat accumulation type radiant tube coking and abrasion；According to some embodiments of the utility model, storage described in the utility model
The concrete shape of hot type radiant tube is unrestricted, can be cylindrical or square, the utility model is preferably DN200-300's
Cylindrical tube, and the level interval of heat accumulation type radiant tube is 200-500mm, vertical interval 200-700mm, heat accumulation type radiant tube
The 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, the spray column 10 connects with the pyrolysis gas outlet 305
Connect, by the pyrolysis gas outlet of the radiant tube room and pyrolysis chamber discharge oil gas enter spray column in condensed and purification at
Reason；The tar tank is connected with the spray column, it is condensed after cold oil enter the tar tank in store.
According to embodiment of the present utility model, shown in reference picture 1, described one end of gas regulating device 1301 and fuel cartridge 13
Be connected, the other end is connected with the fuel gas inlet 307 of heat accumulation type radiant tube, the fuel cartridge respectively with the gas regulating device,
The spray column is connected with generating set, and the generating set is connected with the fuel cartridge；Wherein, not coagulating in the fuel cartridge
A pyrolysis gas part can enter jet dynamic control and carry out combustion power generation, and another part is sent into heat accumulating type by gas regulating device
Energy is provided as thermal source in radiant tube, fully recycles coal resource, when the not solidifying pyrolysis gas in fuel cartridge passes through the combustion
The control and regulation of gas control device, realize the stream for being precisely controlled the not solidifying pyrolysis gas that regulation is passed through pyrolysis reactor through fuel cartridge
Amount, when controlling to adjust at fuel gas inlet into the air inflow of the not solidifying pyrolysis gas of heat accumulation type radiant tube, can further it control
The temperature of heat accumulation type radiant tube processed, the degree of pyrolysis of further control material and caused gas flow, further control combustion gas
Gas flow in tank storage, and then the generated energy of jet dynamic control can be controlled, realize circulation production and utilize not solidifying pyrolysis
Gas, energy-conserving and environment-protective；According to some embodiments of the utility model, the specific species of combustion gas modulating device described in the utility model is not
It is restricted, if it can play a part of controlling to adjust the flow of gas, while not solidifying pyrolysis described in the utility model
Gas can be understood as fuel gas, it is understood that be the mixed gas comprising fuel gas.
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
State spray column to be connected, the other end is connected with the fuel cartridge, and the combustion gas air inducing is set up between the spray column and fuel cartridge
Machine, it is defeated quickly and efficiently can not can will to coagulate pyrolysis gas by after the not solidifying pyrolysis gas of the spray of spray column is dried
Deliver in fuel cartridge, be advantageous to improve 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 308 on second feed arrangement and the heat accumulation type radiant tube respectively；Institute
Gas-solid separating device is stated respectively with the drying device and the pyrolysis hopper 5 to be connected；The exhaust gas cleaner 7 passes through tail
Gas air-introduced machine 6 is connected with the gas-solid separating device；The chimney 8 is connected with the exhaust gas cleaner；It is thus, it is possible to logical
Cross the second feed arrangement to add the pyrolysis material in loading hopper in drying device, in drying device, pyrolysis material is from storage
It is dried in the presence of the flue gas (temperature is 150-250 DEG C) of hot type radiant tube, then dried pyrolysis material and flue gas
Mixture enters gas-solid separating device, and the flue gas (temperature is 70-130 DEG C) for separating acquisition is net into progress in exhaust gas cleaner
Change is handled, and to realize qualified discharge, the pyrolysis material for separating acquisition is delivered to pyrolysis hopper and then by the first feed arrangement through institute
State charging aperture to be 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 310 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 one kind is sent out using combined coal pyrolysis combustion gas described in the utility model
The method that electric system carries out combined coal pyrolysis fuel gas generation, according to embodiment of the present utility model, comprises the following steps：
A. the particulate coal that granularity is below 20mm is entered into drying device by loading hopper, passes through the accumulation of heat of pyrolysis reactor
The temperature of formula radiant tube smoke outlet is that 150-250 DEG C of flue gas is dried and lifted to coal, then into gas-solid point
From device, the coal of separation, which is entered in each pyrolysis chamber of the reactor through the charging aperture by being pyrolyzed hopper, to be pyrolyzed,
The flue gas of separation enters exhaust gas cleaner through tail gas air-introduced machine, and the flue gas after purification is discharged through chimney.
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.
B. the coal separated stops 10-100min from top to bottom in each pyrolysis chamber, by dividing with the pyrolysis chamber
Enter the pyrolysis that trip temperature is 500-600 DEG C every the heat accumulation type radiant tube of the radiant tube chamber interior of setting, complete pyrolytic process, simultaneously
Produce the flue gas that temperature is 150-250 DEG C and drying device is entered by the heat accumulation type radiant tube exhanst gas outlet of pyrolysis reactor, follow
Ring utilizes.
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 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.
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 fuel cartridge, the combustion gas that the gas part in the fuel cartridge is sent into heat accumulation type radiant tube through the gas regulating device enters
Mouthful, another part is sent into generating set, carries out combustion power generation.
According to embodiment of the present utility model, shown in reference picture 1, described gas regulating device one end is connected with fuel cartridge,
The other end is connected with the fuel gas inlet of heat accumulation type radiant tube, the fuel cartridge respectively with the gas regulating device, the spray
Tower is connected with generating set, and the generating set is connected with the fuel cartridge；Wherein, pyrolysis gas one is not coagulated in the fuel cartridge
Part can enter jet dynamic control and carry out combustion power generation, and another part is sent into heat accumulation type radiant tube by gas regulating device
Energy is provided as thermal source, fully recycles coal resource, when the not solidifying pyrolysis gas in fuel cartridge is by combustion gas regulation dress
The control and regulation put, the flow for being precisely controlled the not solidifying pyrolysis gas that regulation is passed through pyrolysis reactor through fuel cartridge is realized, works as control
When regulation enters the air inflow of not solidifying pyrolysis gas of heat accumulation type radiant tube at fuel gas inlet, heat accumulating type spoke can be further controlled
The temperature of pipe, the degree of pyrolysis of further control material and caused gas flow are penetrated, is further controlled in fuel cartridge storage
Gas flow, and then the generated energy of jet dynamic control can be controlled, realize circulation production and utilize not solidifying pyrolysis gas, energy-saving ring
Protect；According to some embodiments of the utility model, the specific species of combustion gas modulating device described in the utility model is unrestricted, only
The flow of gas can be played a part of controlling to adjust, while not solidifying pyrolysis gas described in the utility model is appreciated that
For fuel gas, it is understood that be the mixed gas comprising fuel gas.
Specific embodiment：Lignite is handled using combined coal pyrolysis gas power generation system, the basic data of raw material is shown in
Table 1.
Table 1：Lignite basic data
Using the reactor for treatment lignite, pyrolysis gas calorific value is up to 6000kcal/m3, quality height.System thermal transition efficiency
Reach more than 90%.Radiant tube is after application in 5000 hours, no coking, wear phenomenon, service life length.
Inventor has found, is not coagulated according to caused by the pyrolysis of the combined coal pyrolysis gas power generation system of the utility model embodiment
Pyrolysis gas enters in fuel cartridge, and a part can enter jet dynamic control, combustion power generation, and another part passes through gas regulating device
It is sent into heat accumulation type radiant tube and provides energy as thermal source, fully recycles coal resource, and by controlling combustion gas regulation dress
The pyrolysis throughput that pyrolysis reactor is passed through through fuel cartridge, the yield of loop control pyrolysis gas can be controlled by putting, and then can be controlled
The generated energy of jet dynamic control processed；Heat accumulation type radiant tube moving bed pyrolysis reactor heating below 20mm coal is taken simultaneously,
Uniformity of temperature profile, heating effect is good, and reaction system is simple in construction, easy to operate；And pyrolysis gas is not diluted, pyrolysis gas heat
Value is high；It is simple in construction meanwhile pyrolysis reactor uses vertical heater, save construction cost and floor space；In addition, heat transfer is set
The inner space of the reactor is separated into multiple chambers as the multiple pyrolysis chamber and multiple radiant tube rooms, and institute by body
State pyrolysis chamber and radiant tube room to be arranged alternately, in the case of abundant pyrolysis, the thermal conductor makes the radiant tube chamber interior
Being separated, heat carried out to the material in pyrolysis chamber using radiant heat in the heat accumulation type radiant tube and the pyrolysis chamber
Solution processing, effectively prevent material and is contacted with heat accumulation type radiant tube, prevents heat accumulation type radiant tube abrasion, coking, extends accumulation of heat
The service life of formula radiant tube, improve system operation reliability.
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. combined coal pyrolysis gas power generation 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；Gas regulating device, described gas regulating device one end are connected with fuel cartridge, the combustion gas of the other end and heat accumulation type radiant tube Entrance is connected；Fuel cartridge, the fuel cartridge are connected with the gas regulating device, the spray column and generating set respectively；Generating set, the generating set are connected with the fuel cartridge.
- 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 spray column, the other end is connected with the fuel cartridge.
- 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.
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| CN201720330828.2U CN207121571U (en) | 2017-03-31 | 2017-03-31 | A kind of combined coal pyrolysis gas power generation system |
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| CN201720330828.2U CN207121571U (en) | 2017-03-31 | 2017-03-31 | A kind of combined coal pyrolysis gas power generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833703A (en) * | 2017-03-31 | 2017-06-13 | 北京神雾电力科技有限公司 | A kind of combined coal pyrolysis gas power generation system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833703A (en) * | 2017-03-31 | 2017-06-13 | 北京神雾电力科技有限公司 | A kind of combined coal pyrolysis gas power generation system and method |
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