CN206408163U - Remove the apparatus and system of deposition charcoal in pyrolysis oven - Google Patents
Remove the apparatus and system of deposition charcoal in pyrolysis oven Download PDFInfo
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- CN206408163U CN206408163U CN201621073203.4U CN201621073203U CN206408163U CN 206408163 U CN206408163 U CN 206408163U CN 201621073203 U CN201621073203 U CN 201621073203U CN 206408163 U CN206408163 U CN 206408163U
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Abstract
The device that the utility model is related to deposition charcoal in a kind of apparatus and system for removing deposition charcoal in pyrolysis oven, the removal pyrolysis oven includes：Vapor pipeline, switching valve, CO2Pipeline, carbon removal pipe；The switching valve includes two positions, i.e. first position and the second place, and the switching valve connects one end of the vapor pipeline and the inlet end of the carbon removal pipe during in the first position；During in the second place, the switching valve connects the CO2One end of pipeline and the inlet end of the carbon removal pipe；The exhaust end of the carbon removal pipe is stretched into inside the pyrolysis oven；Vapor or CO can be sprayed from the carbon removal pipe2, on the heating radiation pipe of spray feed to the pyrolysis oven, so that deposition charcoal thereon is removed.The utility model efficiently solves the coking problem of heating radiation duct member in the pyrolysis oven burner hearth of coal fast pyrolysis systems, it is ensured that system runs well safely, substantially increases the pyrolysis efficiency of pyrolysis oven.
Description
Technical field
The utility model belongs to coal chemical technology, and in particular to the apparatus and system of deposition charcoal in a kind of removal pyrolysis oven.
Background technology
A kind of advanced middle warm solution upgrading technology of the fast pyrogenation primarily directed to low-order coal in powdery, it is desirable to its material
The rate of heat addition is high under uniform temperature field, from reaction mechanism, can make middle low-order coal macromolecule that scission of link occur rapidly
Reaction, it is suppressed that the secondary pyrolytic reaction and cross-linking reaction of thermal decomposition product, the combustion gas in reduction in low-order coal pyrolytic process and half
Burnt product, improves tar yield, therefore the technology is more suitable for China's actual conditions, and low-order coal is utilized in improving economy and society
Can effect.
Fast pyrogenation stove is the nucleus equipment of fast pyrogenation, can be divided into heat carrier rapid pyrolysis stove, without the fast speed heat of heat carrier
Solve stove.Heat carrier rapid pyrolysis stove is one of fast pyrogenation equipment for going in for the study earliest, but many technical bottlenecks are constrained
The industrialization of heat carrier rapid pyrolysis stove, for example：Upgraded coal and heat carrier isolation technics, pyrolysis gas dedusting technology.And without heat load
Body fast pyrogenation stove with its efficient pyrolysis rate, the controllability of temperature, combustion gas and oil product in high yield, progressively by coalification
The favor in work market.
In the prior art, coal fast pyrolysis systems provide thermal source using radiant tube heating, are produced during pyrolysis of coal
Raw coke oven gas is under high temperature action, and some macromolecular hydrocarbons are constantly decomposed, and produces a number of methane, methane continue by
High temperature action is cracked, and separates out free carbon and hydrogen, and free carbon is attached to heat accumulation type radiant tube and heat accumulation type radiant tube protective baffle plate
On, gradually accumulate, ultimately form thick deposition layer of charcoal.Deposition layer of charcoal not only influences heat accumulation type radiant tube to conduct heat, while to heat
Solve decline of the coal charge in fast pyrogenation stove and produce resistance, influence pyrolysis efficiency.
Disclosing a kind of petrol engine valve, atomizer and spark plug in the prior art prevents carbon distribution ion processing side
Method, including by composite catalyst ion implanting to or ion be plated to valve surfaces, atomizer and spark plug surface of metal electrode；Vapour
When oil machine is done work, crash into the carbon particle of valve, atomizer and plug surfaces and the oxidation reaction threshold value of organic matter is catalyzed
Agent is reduced, and promotes carbon particle and catalytic organism to burn.This method can reduce valve, atomizer and plug surfaces carbon distribution, carry
High burning efficiency, reduces carbon emission.But the technical matters is complicated, processing carbon distribution is costly.Also disclose in the prior art
It is a kind of to reduce the carbon removing device that automobile carbon-deposits the cylinder is discharged with cleaning of off-gas.Device is by single-chip microcomputer, pulse control circuit, bluetooth mould
The part of block three is constituted.Vehicular direct-current source provides power supply for the system, and pulse control circuit produces pulse current, and two output ends
The ignition coil of igniter is connected respectively.After car engine, carbon removing device is started working；After automobile flameout, carbon removing device
It is stopped.When igniter secondary conducting igniting, alternating impulse electric current input point live wire circle generation alternating magnetic field, promotion fuel oil
It is atomized, improves efficiency of combustion, alternating magnetic field also produces vortex in oil cylinder inner wall, promotes carbon distribution to fire in the presence of Kelvin effect
Burn.But the device is weaker due to alternating impulse electric current input point live wire circle generation alternating magnetic field, carbon remover is not thorough.
A kind of processing method of Heat Exchange Tube in Coking Gas Non-catalyst Conversion Unit carbon distribution is also disclosed in the prior art, with 1300
DEG C or so oven gas reformed gas be cooled to 250 DEG C or so by waste heat boiler heat exchanger tube, its contained CO, CO2And CH4Deng into
Divide in high H2In the presence of, resolution carbon is split successively, is bonded or is deposited on heat exchange inside pipe wall, reduces heat exchange efficiency, even
Block heat exchanger tube.Under appropriate cooling conditions, heat exchanger tube is washed away with high velocity air in batches, deposition powdered carbon is blown down, heat exchange can be recovered
Ability more than 80%, can shorten the repair time more than 80%.But the technology is washed away with high velocity air (N2), Purge methods are except product
Carbon efficiencies are relatively low.
In summary, existing carbon removing method, to fast pyrogenation stove except carbon is not applied to, so being badly in need of finding one now
Fast pyrolysis systems are planted except the device of deposition charcoal, the problem of fast pyrogenation stove in the prior art has deposition charcoal has been solved.
Utility model content
The purpose of this utility model is to provide a kind of apparatus and system for removing deposition charcoal in pyrolysis oven, the existing skill of solution
The problem of heating radiation pipe heat transfer when layer of charcoal influence accumulation of heat is deposited in art, influence pyrolysis efficiency.
In order to solve the above-mentioned technical problem, the utility model provides a kind of device for removing and charcoal being deposited in pyrolysis oven, institute
Stating device includes：Vapor pipeline, switching valve, CO2Pipeline, carbon removal pipe；
The switching valve includes two positions, i.e. first position and the second place, switching during in the first position
Valve connects one end of the vapor pipeline and the inlet end of the carbon removal pipe；During in the second place, the switching valve connects
Lead to the CO2One end of pipeline and the inlet end of the carbon removal pipe；
The exhaust end of the carbon removal pipe is stretched into inside the pyrolysis oven；
Vapor or CO can be sprayed from the carbon removal pipe2, on the heating radiation pipe of spray feed to the pyrolysis oven, so that
Deposition charcoal thereon is removed.
Further, described device also includes：CO2Extraction system and exhaust pipe, the CO2Extraction system includes CO2Carry
Take system air inlet and CO2Extraction system gas outlet；
The CO2Extraction system air inlet is connected with one end of the exhaust pipe；
The other end of the exhaust pipe is connected with the outlet side of the heating radiation pipe；
The CO2Extraction system gas outlet and the CO2The other end of pipeline is connected.
Further, described device also includes heat exchanger, purifier, clean coal air pipe；The heat exchanger also includes changing
Hot device water inlet, heat exchanger delivery port, heat exchanger air inlet and heat exchanger gas outlet,
The heat exchanger water inlet is connected with water pipe, the other end of the heat exchanger delivery port and the vapor pipeline
It is connected；
The heat exchanger air inlet is connected with the raw coke oven gas export mouth of the pyrolysis oven, the heat exchanger gas outlet with it is described
The air inlet connection of purifier；
Described clean coal air pipe one end is connected with the gas outlet of the purifier, the clean coal air pipe other end and institute
The air inlet end for stating heating radiation pipe is connected.
Further, stretch on the carbon removal pipe inside the pyrolysis oven and offer multiple gas passages.
Further, close to the switching valve side the multiple gas passage bore to away from the switching valve side
The bore of the multiple gas passage is arranged from small to large.
Further, vapor force (forcing) pump, the CO are provided with the vapor pipeline2CO is provided with pipeline2Pressurization
Blower fan.
The utility model additionally provides a kind of system using the device of deposition charcoal in above-mentioned removal pyrolysis oven, the system
Also include pyrolysis oven, the pyrolysis oven includes：Heating radiation pipe, raw coke oven gas export mouth, be provided with the pyrolysis furnace outer wall it is logical
Hole；
The outlet side of the heating radiation pipe is connected with the other end of the exhaust pipe；
The air inlet end of the heating radiation pipe is connected with the clean coal air pipe other end；
The raw coke oven gas export mouth is connected with the heat exchanger air inlet；
The through hole is used to by the through hole stretch into the exhaust end of the carbon removal pipe inside the pyrolysis oven；
Vapor or CO can be sprayed from the carbon removal pipe2, on the heating radiation pipe of spray feed to the pyrolysis oven, so that
Deposition charcoal thereon is removed.
Utility model the beneficial effects of the utility model are：The utility model is disclosed to remove deposition charcoal in pyrolysis oven
Apparatus and system, efficiently solves the coking problem of heating radiation duct member in the pyrolysis oven burner hearth of coal fast pyrolysis systems, protects
System normal operation safely has been demonstrate,proved, the pyrolysis efficiency of pyrolysis oven is substantially increased.Deposited in removal pyrolysis oven of the present utility model
The device of charcoal is provided with vapor pipeline, CO2Pipeline and carbon removal pipe, are reacted and carbon dioxide using vapor and high temperature deposition charcoal
Reacted with high temperature deposition charcoal, heating radiation duct member is coking in removal pyrolysis oven burner hearth.Vapor reacts with high temperature deposition charcoal
With both carbon dioxide and the reaction of high temperature deposition charcoal cooperating, alternately, suppress H2O+C=CO+H2The hair of reversible reaction
It is raw, operated beneficial to carbon removal.Make full use of the surplus value of deposition charcoal, CO and H of the deposition charcoal by reaction generation2Add to waste coal
Raw coke oven gas tolerance is supplemented in gas.
The utility model removes the operation progress synchronous with the pyrolysis of pyrolysis oven of deposition charcoal, without the carbon removal that stops production, greatly
Improve the operating efficiency of pyrolysis furnace system.
Brief description of the drawings
Fig. 1 is the structural representation for removing the device of deposition charcoal in pyrolysis oven of the utility model embodiment；
Fig. 2 is the structural representation that gas passage is opened up on the carbon removal pipe of the utility model embodiment.
In figure：
101. vapor pipeline；102. vapor force (forcing) pump；201. switching valve；301.CO2Pipeline；302.CO2Extract system
System；303. exhaust pipe；304.CO2Booster fan；401. carbon removal pipes；402. gas passage；403. switch valve；501. heat exchange
Device；502. purifier；503. clean coal air pipes；504. water pipe；
600. pyrolysis oven；601. heating radiation pipes；602. raw coke oven gas export mouths.
Embodiment
To enable above-mentioned purpose of the present utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings and tool
Body embodiment is described in further detail to the utility model.It should be appreciated that specific embodiment described herein is only
To explain the utility model, it is not used to limit the utility model.
The device of charcoal is deposited in removal pyrolysis oven of the present utility model, structural representation is as shown in Figure 1.It is described to remove pyrolysis
The device of charcoal is deposited in stove to be included：Vapor pipeline 101, switching valve 201, CO2Pipeline 301, carbon removal pipe 401.
The switching valve 201 includes two positions, i.e. first position and the second place, is cut described in during in the first position
Change valve 201 and connect one end of the vapor pipeline 101 and the inlet end of the carbon removal pipe 401；During in the second place, institute
State switching valve 201 and connect the CO2One end of pipeline 301 and the inlet end of the carbon removal pipe 401.
The exhaust end of the carbon removal pipe 401 is stretched into inside the pyrolysis oven.
Vapor or CO can be sprayed from the carbon removal pipe 4012, the heating radiation pipe of spray feed to the pyrolysis oven 600
On 601, so that deposition charcoal thereon is removed.
Wherein, the device of the present utility model for removing deposition charcoal in pyrolysis oven is provided with vapor pipeline 101, CO2Pipeline
301 and carbon removal pipe 401, vapor pipeline 101, CO2Pipeline 301 each leads into vapor, CO2, the ejection of carbon removal pipe 401 water
Steam or CO2, reacted using vapor and high temperature deposition charcoal and carbon dioxide react with high temperature deposition charcoal, remove pyrolysis oven burner hearth
The interior part of heating radiation pipe 601 it is coking.Vapor reacts and carbon dioxide and high temperature deposition charcoal reaction two with high temperature deposition charcoal
Person's cooperating, alternately, suppresses H2O+C=CO+H2The generation of reversible reaction, is operated beneficial to carbon removal.Meanwhile, the carbon removal
Pipe 401 sprays vapor or CO2, purging effect is played to deposition charcoal, accelerates to remove deposition charcoal speed.
Switching valve 201 can be automatic transfer valve, and switching time and switching mode are preset as needed, vapor is realized
Except deposition charcoal and CO2Except the intelligence switching of deposition charcoal.Switching valve 201 can be also manual switching valve, be cut manually as needed
Change, realize vapor except deposition charcoal and CO2Except the intelligence switching of deposition charcoal.
Especially, the utility model removes the operation of deposition charcoal and the pyrolysis of pyrolysis oven in pyrolysis oven and carried out simultaneously, without
Stopping pyrolysis operations can be except deposition charcoal.It can be solved while production because deposition charcoal causes heating radiation pipe heat transfer effect
The problem of rate is poor, drastically increases the operating efficiency of pyrolysis furnace system.
In some illustrative embodiments, as shown in figure 1, described device also includes：CO2Extraction system 302 and flue gas leading
Road 303, the CO2Extraction system 302 includes CO2Extraction system air inlet and CO2Extraction system gas outlet.
The CO2The air inlet of extraction system 302 is connected with one end of the exhaust pipe 303.
The other end of the exhaust pipe 303 is connected with the outlet side of the heating radiation pipe 601.
The CO2The gas outlet of extraction system 302 and the CO2The other end of pipeline 301 is connected.
Wherein, the other end of the exhaust pipe 303 is connected with the outlet side of the heating radiation pipe 601, for receiving
Collect the waste gas that the heating radiation pipe 601 is produced in process of production, wherein containing a large amount of CO2, available for CO2In pipeline 301
CO2Supplement.The CO2Extraction system 302 can be to the CO in waste gas2Extracted, the CO extracted2Into CO2Pipeline 301,
Other gas dischargings in waste gas, or carry out secondary utilize.
In some illustrative embodiments, as shown in figure 1, described device also include heat exchanger 501, it is purifier 502, net
Gaspipe line 503；The heat exchanger 501 also includes heat exchanger water inlet, heat exchanger delivery port, heat exchanger air inlet and heat exchanger
Gas outlet.
The water inlet of heat exchanger 501 is connected with water pipe 504, the delivery port of heat exchanger 501 and the vapor pipe
The other end on road 101 is connected.
The air inlet of heat exchanger 501 is connected with the raw coke oven gas export mouth 602 of the pyrolysis oven 600, the heat exchanger 501
Gas outlet is connected with the air inlet of the purifier 502.
Described one end of clean coal air pipe 503 is connected with the gas outlet of the purifier 502, the clean coal air pipe 503
The other end is connected with the air inlet end of the heating radiation pipe 601.
Wherein, the water that water pipe 504 is accessed is the softened water in system, is exchanged heat by heat exchanger 501, softens water vapor
For vapor.The heat of heat exchange come from the raw coke oven gas export mouth 602 of extraneous heat supply or pyrolysis oven 600 derived raw coke oven gas
Heat.Preferably, the heat of heat exchange come from raw coke oven gas export mouth 602 derived raw coke oven gas heat.
Heat exchanger 501, purifier 502, clean coal air pipe 503, heating radiation pipe 601 are sequentially connected with, and are led in heat exchanger
Raw coke oven gas is crossed, raw coke oven gas is purified in purifier 502, purifies purified gas, the combustion burnt as heating radiation pipe 601
Waste gas is generated after gas, burning, wherein containing CO2, by CO2Extraction system, extracts CO2, the original of deposition charcoal can be removed
Material.
Fig. 2 shows the structural representation that gas passage is opened up on the carbon removal pipe of the utility model embodiment.
In some illustrative embodiments, stretch into offered on the carbon removal pipe 401 inside the pyrolysis oven 600 it is multiple
Gas passage 402.
Wherein, the preferably several nozzles in multiple gas passages 402.
Switch valve 403 is additionally provided with the carbon removal pipe 401, switch valve 403 is used to control whether carbon removal pipe 401 has water steaming
Gas or CO2Pass through.Charcoal is deposited if necessary to remove in pyrolysis oven, then is opened；If need not remove and charcoal is deposited in pyrolysis oven,
Close.
In some illustrative embodiments, the bore of the multiple gas passage 402 of the close side of switching valve 201 is extremely
The bore of the multiple gas passage 402 away from the side of switching valve 201 is arranged from small to large.
Wherein, the carbon removal pipe 401 also includes vapor carbon removal branch pipe and CO2Carbon removal branch pipe；Stretch into the pyrolysis oven
The bore of multiple gas passages on the vapor carbon removal branch pipe in portion is more than the CO stretched into inside the pyrolysis oven2Remove
The bore of multiple gas passages 402 on charcoal branch pipe.The bore of the gas passage 402 is according to heavy in the burner hearth of pyrolysis oven 600
The amount of carbon deposit distribution is designed, and is preferably removed deposition charcoal.The amount being distributed according to the deposition charcoal in the burner hearth of pyrolysis oven 600
The caliber size for the gas passage 402 being designed is as shown in table 1.
Table 1
Note：The unit of gas passage is in table 1：mm
In some illustrative embodiments, as shown in figure 1, being provided with vapor force (forcing) pump on the vapor pipeline 101
102, the CO2CO is provided with pipeline 3012Booster fan 304.For to vapor, CO2Pressurization, preferably into pyrolysis oven
In burner hearth, deposition charcoal is removed.
In some illustrative embodiments, as shown in figure 1, a kind of using the device of deposition charcoal in above-mentioned removal pyrolysis oven
System, the system also includes pyrolysis oven 600, and the pyrolysis oven 600 includes：Heating radiation pipe 601, raw coke oven gas export mouth 602,
The through hole being provided with the outer wall of pyrolysis oven 600.
The outlet side of the heating radiation pipe 601 is connected with the other end of the exhaust pipe 303.
The air inlet end of the heating radiation pipe 601 is connected with the other end of clean coal air pipe 503.
The raw coke oven gas export mouth 602 is connected with the air inlet of heat exchanger 501.
The through hole is used to by the through hole stretch into the exhaust end of the carbon removal pipe 401 inside the pyrolysis oven 600.
Vapor or CO can be sprayed from the carbon removal pipe 4012, the heating radiation pipe of spray feed to the pyrolysis oven 600
On 601, so that deposition charcoal thereon is removed.
In some illustrative embodiments, a kind of method that use said system removes deposition charcoal in pyrolysis oven, including with
Lower step：
A, the vapor is sequentially sent into the vapor pipeline 101, the switching valve 201 and the carbon removal pipe 401, will
The vapor is sent into inside the pyrolysis oven 600, on the vapor spray feed to the heating radiation pipe, so that thereon
Charcoal is deposited to remove；Or
B、CO2Sequentially pass through the CO2Pipeline 301, the switching valve 201 and the carbon removal pipe 401, send into the pyrolysis
Inside stove 600, the CO2Deliver on the heating radiation pipe, so that deposition charcoal thereon is removed；Or
C, step A and step B alternately so that on the heating radiation pipe deposition charcoal remove.
This method step A, step B can individually remove deposition charcoal, because vapor and charcoal reaction are reversible reaction, step
Rapid A, step B alternately, are conducive to the positive progress of reaction, beneficial to the operation except deposition charcoal.During using step C, in step A
5~10 minutes vapor carbon removal time；5~10 minutes carbon dioxide carbon removal time in step B.
In some illustrative embodiments, the CO2Sequentially pass through the CO2Pipeline 301, the switching valve 201 and described
Also include before carbon removal pipe 401：
The outlet side discharge waste gas of the heating radiation pipe, the waste gas sends into CO along the exhaust pipe 3032Extract system
System 302, the CO2Discharge CO in the gas outlet of extraction system 3022。
In some illustrative embodiments, also include before the outlet side discharge waste gas of the heating radiation pipe：
Water is sent into heat exchanger 501 by the water inlet of heat exchanger 501 and exchanged heat, and is converted into vapor；
The vapor sends into the inside of pyrolysis oven 600 except deposition charcoal by the heat exchanger delivery port, generation CO and
H2。
The CO and H2With the raw coke oven gas inside the pyrolysis oven 600 along the raw coke oven gas export mouth 602, changed by described
Hot device air inlet sends into heat exchanger 501, is exchanged heat with water, goes out to send into the purifier 502 along the heat exchanger gas outlet,
Discharge CO and H2, CO and H2Send into the heating radiation pipe and carry out exothermic reaction, generate CO2And water vapour.
Wherein, the reaction that the step can make removal deposit charcoal forms circulation.
Embodiment 1
The operation for removing the deposition charcoal in pyrolysis oven 600 is carried out during fast pyrogenation, during fast pyrogenation, burner hearth
Interior 500 DEG C -900 DEG C of temperature.
Vapor feeding vapor pipeline 101, by vapor force (forcing) pump 102, switching valve 201, leads to through carbon removal pipe 401
The bottom of heating radiation pipe 601, sprays from nozzle, high to carrying out carbon removal on the crust surface of heating radiation pipe 601 and radiation tube cover plate
Press vapor and hot deposition charcoal reaction (H2O+C=CO+H2), generate CO and H2, with the progress of reaction, deposition charcoal is gradually
In cellular, while vapor also acts as purging effect.
The CO and H of the reacted carbon removal generation of vapor2The raw coke oven gas produced by the burner hearth of pyrolysis oven 600 with pyrolysis is pooled to
Together, the raw coke oven gas export mouth 602 through the top of pyrolysis oven 600 is exported.
Through after a period of time, switching valve 201 commutates, and switches to CO2Pipeline 201.
CO2Send into CO2Pipeline 301, by CO2Booster fan 304, switching valve 201, heating radiation is led to through carbon removal pipe 401
The bottom of pipe 601, sprays through nozzle, to carrying out carbon removal, CO on the crust surface of heating radiation pipe 601 and radiation tube cover plate2With it is hot
Deposition charcoal reaction (C+CO2=2CO) so that deposition charcoal is progressively removed.
CO2The CO for removing deposition charcoal generation is pooled together by the burner hearth of pyrolysis oven 600 and the raw coke oven gas of pyrolysis generation, is passed through
The raw coke oven gas export mouth 602 on the top of pyrolysis oven 600 is exported.
CO2Spray after carbon removal for a period of time, switching valve 201 commutates, close exhaust pipe 303, connect vapor pipeline
101, complete a carbon removal circulation.
Wherein, the raw coke oven gas that coal charge is produced through pyrolysis oven 600 is exported from the raw coke oven gas export mouth 602 on the top of pyrolysis oven 600,
With water indirect heat exchange in heat exchanger 501, low-pressure steam is produced；The pressurized pump of low-pressure steam is forced through vapor carbon removal branch pipe
The bottom of heating radiation pipe in pyrolysis oven 600 is transported to, one of source of the gas of deposition charcoal in removal pyrolysis oven 600 is used as.It is purified
The raw coke oven gas of system purification is extracted out in the waste gas that heating radiation combustion inner pipe is produced through air-introduced machine, and titanium dioxide is extracted through pressure-variable adsorption
Carbon is used as two of the source of the gas of deposition charcoal in removal pyrolysis oven 600.
Embodiment 2
By taking the fast pyrolysis systems of 500,000 tons of production capacity as an example, 500,000 tons of Coal pretreatment system；One pyrolysis oven 600, place
500,000 tons of reason ability；Gas treatment amount 20000m3/ h gas cleaning system.
700 DEG C of raw coke oven gas and the softened water of the ton hour of flow 2 are in heat exchanger 501 derived from raw coke oven gas export mouth
Heat exchange, raw gas temperature is reduced to 200 DEG C, and the softened water of 2 ton hours is changed into 2 tons of low-pressure steams；Add through vapor force (forcing) pump 102
It is depressed into 5kg/cm2, switching valve 201 is delivered to, finally to the carbon removal pipe 401 in pyrolysis oven 600, the nozzle from carbon removal pipe 401
Spray, should up to 1000 DEG C of deposition charcoal generation hair with the temperature on heating radiation pipe 601 and radiation tube cover plate：H2O+C=CO+H2
React the CO and H occurred2Import in raw coke oven gas, by the burner hearth of pyrolysis oven 600, the raw coke oven gas through pyrolysis oven 600 is led
Outlet 602 enters raw coke oven gas cleaning system.
After vapor carbon removal 6 minutes, switching valve 201 completes handover operation, closes Low pressure steam, opens CO2Pipeline
301。
After the raw coke oven gas that pyrolysis oven 600 is produced is purified by purifier 502, as heating spoke in the burner hearth of pyrolysis oven 600
Penetrate the combustion gas of the burning of pipe 601, CO2In CO2In extraction system 302, extracted in the waste gas of gas-fired, extracted amount is
30000Nm3/ h, by CO2Booster fan 304 is forced into 3kg/cm2, carbon removal pipe 401 is arrived through switching valve 201, from carbon removal pipe 401
On nozzle spray, with heating radiation pipe 601 and radiation tube cover plate on temperature up to 1000 DEG C deposition charcoal occur hair should：
C+CO2=2CO
The CO of reaction generation is imported in raw coke oven gas, by the burner hearth of pyrolysis oven 600, the raw coke oven gas export mouth through pyrolysis oven 600
602 enter raw coke oven gas cleaning system.
CO2After carbon removal 6 minutes, switching valve 201 completes handover operation, closes CO2Pipeline 301, opens vapor pipeline 101,
A carbon removal circulation is completed, and with this iterative cycles carbon removal.
The different multiple nozzles of diameter are respectively arranged with carbon removal pipe 401, it is therefore preferable to 12.Nozzle diameter size is preferred
For the diameter in table 2.
Table 2
Note：The unit of gas passage is in table 2：mm
It should be noted that each embodiment above by reference to described by accompanying drawing is only to illustrate the utility model rather than limit
Scope of the present utility model is made, it will be understood by those within the art that, do not departing from spirit of the present utility model and model
The modification carried out on the premise of enclosing to the utility model or equivalent substitution, all should cover within the scope of the utility model.
In addition, signified outer unless the context, the word occurred in the singular includes plural form, and vice versa.In addition, except non-specifically
Explanation, then all or part of of any embodiment can combine all or part of of any other embodiment to use.
Claims (7)
1. a kind of remove the device that charcoal is deposited in pyrolysis oven, it is characterised in that described device includes：Vapor pipeline, switching valve,
CO2Pipeline, carbon removal pipe；
The switching valve includes two positions, i.e. first position and the second place, and the switching valve connects during in the first position
Lead to one end of the vapor pipeline and the inlet end of the carbon removal pipe；During in the second place, the switching valve connects institute
State CO2One end of pipeline and the inlet end of the carbon removal pipe；
The exhaust end of the carbon removal pipe is stretched into inside the pyrolysis oven；
Vapor or CO can be sprayed from the carbon removal pipe2, on the heating radiation pipe of spray feed to the pyrolysis oven, so that it
On deposition charcoal remove.
2. device according to claim 1, it is characterised in that also include：CO2Extraction system and exhaust pipe, the CO2
Extraction system includes CO2Extraction system air inlet and CO2Extraction system gas outlet；
The CO2Extraction system air inlet is connected with one end of the exhaust pipe；
The other end of the exhaust pipe is connected with the outlet side of the heating radiation pipe；
The CO2Extraction system gas outlet and the CO2The other end of pipeline is connected.
3. device according to claim 2, it is characterised in that
Described device also includes heat exchanger, purifier, clean coal air pipe；The heat exchanger also includes heat exchanger water inlet, changed
Hot device delivery port, heat exchanger air inlet and heat exchanger gas outlet,
The heat exchanger water inlet is connected with water pipe, and the heat exchanger delivery port is connected with the other end of the vapor pipeline
Connect；
The heat exchanger air inlet is connected with the raw coke oven gas export mouth of the pyrolysis oven, the heat exchanger gas outlet and the purification
The air inlet connection of device；
Described clean coal air pipe one end is connected with the gas outlet of the purifier, and the clean coal air pipe other end adds with described
The air inlet end of heat radiation tube is connected.
4. device according to claim 1, it is characterised in that stretch into and opened up on the carbon removal pipe inside the pyrolysis oven
There are multiple gas passages.
5. device according to claim 4, it is characterised in that the multiple gas passage of the close switching valve side
Bore to the bore of the multiple gas passage away from the switching valve side is arranged from small to large.
6. device according to claim 1, it is characterised in that be provided with vapor force (forcing) pump on the vapor pipeline,
The CO2CO is provided with pipeline2Booster fan.
7. the system of the device of deposition charcoal in pyrolysis oven is removed described in a kind of use claim 3, it is characterised in that also including pyrolysis
Stove, the pyrolysis oven includes：Heating radiation pipe, raw coke oven gas export mouth, the through hole being provided with the pyrolysis furnace outer wall；
The outlet side of the heating radiation pipe is connected with the other end of the exhaust pipe；
The air inlet end of the heating radiation pipe is connected with the clean coal air pipe other end；
The raw coke oven gas export mouth is connected with the heat exchanger air inlet；
The through hole is used to by the through hole stretch into the exhaust end of the carbon removal pipe inside the pyrolysis oven；
Vapor or CO can be sprayed from the carbon removal pipe2, on the heating radiation pipe of spray feed to the pyrolysis oven, so that it
On deposition charcoal remove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073203.4U CN206408163U (en) | 2016-09-22 | 2016-09-22 | Remove the apparatus and system of deposition charcoal in pyrolysis oven |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621073203.4U CN206408163U (en) | 2016-09-22 | 2016-09-22 | Remove the apparatus and system of deposition charcoal in pyrolysis oven |
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| CN206408163U true CN206408163U (en) | 2017-08-15 |
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| CN201621073203.4U Expired - Fee Related CN206408163U (en) | 2016-09-22 | 2016-09-22 | Remove the apparatus and system of deposition charcoal in pyrolysis oven |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630954A (en) * | 2017-10-20 | 2018-01-26 | 来安县隆华摩擦材料有限公司 | A kind of brake block liner surface carbonization treatment apparatus |
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2016
- 2016-09-22 CN CN201621073203.4U patent/CN206408163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107630954A (en) * | 2017-10-20 | 2018-01-26 | 来安县隆华摩擦材料有限公司 | A kind of brake block liner surface carbonization treatment apparatus |
| CN107630954B (en) * | 2017-10-20 | 2019-08-02 | 来安县隆华摩擦材料有限公司 | A kind of brake block liner surface carbonization treatment apparatus |
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