CN110002931A - Methane synthesis device and methane cleaning up system - Google Patents
Methane synthesis device and methane cleaning up system Download PDFInfo
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- CN110002931A CN110002931A CN201910341438.9A CN201910341438A CN110002931A CN 110002931 A CN110002931 A CN 110002931A CN 201910341438 A CN201910341438 A CN 201910341438A CN 110002931 A CN110002931 A CN 110002931A
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- rotary kiln
- methane
- kiln
- synthesis device
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 159
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 45
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 44
- 238000004140 cleaning Methods 0.000 title claims abstract description 23
- 238000000197 pyrolysis Methods 0.000 claims abstract description 49
- 238000009434 installation Methods 0.000 claims abstract description 35
- 230000009467 reduction Effects 0.000 claims abstract description 28
- 239000002028 Biomass Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 52
- 239000002737 fuel gas Substances 0.000 claims description 19
- 238000007146 photocatalysis Methods 0.000 claims description 19
- 230000001699 photocatalysis Effects 0.000 claims description 19
- 238000010438 heat treatment Methods 0.000 claims description 17
- 239000000565 sealant Substances 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 16
- 229910052760 oxygen Inorganic materials 0.000 claims description 16
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 15
- 238000000151 deposition Methods 0.000 claims description 12
- 238000000746 purification Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000003197 catalytic effect Effects 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract description 4
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 125000004429 atom Chemical group 0.000 description 5
- 125000004432 carbon atom Chemical group C* 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 238000005336 cracking Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000005979 thermal decomposition reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000000855 fermentation Methods 0.000 description 1
- 230000004151 fermentation Effects 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000001535 kindling effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000037351 starvation Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C7/00—Purification; Separation; Use of additives
- C07C7/005—Processes comprising at least two steps in series
Abstract
The present invention provides a kind of methane synthesis device and methane cleaning up systems, are related to field of energy and chemical technology.Pyrolysis installation, burner and reduction apparatus including being sequentially connected setting, biomass inputs the pyrolysis installation and pyrolysis is imflammable gas and semicoke in the pyrolysis installation, the imflammable gas and semicoke of the pyrolysis installation output input the burner and are cracked into atomic state by molecular state, and the atomic state pyrolysis product of the burner output inputs the reduction apparatus and synthesizes methane gas.C and H in biomass can directly be synthesized CH4, and improve CH in synthesis gas4Content.
Description
Technical field
The present invention relates to field of energy and chemical technologys, synthesize in particular to a kind of methane synthesis device and methane net
Change system.
Background technique
For biomass as a kind of renewable energy, the status in energy resource structure system is more and more important, since fossil fires
Expect, influence of the non-renewable and use process of coal to environment, biomass energy will become one of main energy.Biomass
It is abundant and extensive in China, biomass gasification technology is greatly developed, is had to alleviating energy availability and demand contradiction and reducing environmental pollution
Highly important meaning.
Containing elements such as a large amount of C and H in biomass, but methane (CH directly is synthesized using C and H4) it is to be difficult to attack
Gram problem.Because of 4 electronics of C atoms outermost, in 2s track 2 each 1 electronics is not pairs of in 2px, 2py track in pairs,
According to Pauli principle, 1 track accommodates up to 2 electronics, and therefore, 2s track, which has 2 electronics, cannot reabsorb electronics,
2px, 2py track at most respectively absorb 1 electronics, so, C atom at most with 2 H chemical combination, cannot synthesize CH with 4 H4。
And by starvation, using biomass, undergo microbial fermentation generate methane period it is longer, and by the external world
Factor is affected, and is difficult to solve the demand to the energy for the moment.Therefore, it is had become using the directly quick synthesizing methane of biomass
The technical issues of urgent need to resolve.
Summary of the invention
It, can will be in biomass the purpose of the present invention is to provide a kind of methane synthesis device and methane cleaning up system
C and H directly synthesize CH4, and improve CH in synthesis gas4Content.
The embodiment of the present invention is achieved in that
The one side of the embodiment of the present invention provides a kind of methane synthesis device, including be sequentially connected setting pyrolysis installation,
Burner and reduction apparatus, biomass input the pyrolysis installation and in the pyrolysis installation pyrolysis be imflammable gas and
Semicoke, the imflammable gas and semicoke of the pyrolysis installation output input the burner and are cracked into atom by molecular state
State, the atomic state pyrolysis product of the burner output input the reduction apparatus and synthesize methane gas.
Optionally, the pyrolysis installation includes the first skid case and the first rotary kiln for being threaded through on the first skid case
Cylinder；The burner includes the second skid case and the ash conveyor that is arranged in the second skid case；The reduction
Device includes third skid case and the second cylinder of rotary kiln for being threaded through on the third skid case, first cylinder of rotary kiln
One end connect with one end of second cylinder of rotary kiln by the second skid case.
Optionally, it is provided with the first heating component in the first skid case, is provided with second in the third skid case
Heating component, first cylinder of rotary kiln and the second cylinder of rotary kiln inner wall are respectively arranged with deflector, defeated to be formed
Send access.
Optionally, the pyrolysis installation further includes kiln head cover, and the kiln head cover setting is remote in first cylinder of rotary kiln
One end from the second skid case；The reduction apparatus further includes kiln hood, and the kiln hood setting is in second revolution
The one end of kiln cylinder body far from the second skid case.
Optionally, first cylinder of rotary kiln and the kiln head cover junction, first cylinder of rotary kiln with it is described
Second skid case junction, second cylinder of rotary kiln and the kiln hood and second cylinder of rotary kiln and described the
Two skid case junctions are respectively arranged with sealing device, and the sealing device includes the first sealant, the second sealant and blower,
Cavity is formed between first sealant and second sealant, the blower is used to be formed in the cavity negative
Pressure.
Optionally, the pyrolysis installation further includes feeding conveyor, and the feeding conveyor is arranged on the kiln head cover,
For biomass to be transported in first cylinder of rotary kiln.
Optionally, the burner further includes ignition module, and the ignition module includes oxygen supplying tube, fuel gas conduit, liquefaction
Tracheae and burning torch, the oxygen supplying tube, the fuel gas conduit, the liquefaction tracheae and the end of the burning torch come together in one
Place, the fuel gas conduit are used for delivery of fuel gas, and for providing oxygen needed for fuel gas buring, the liquefied gas pipe is used for the oxygen supplying tube
Liquefied gas is provided with the flare that ignites, the burning torch is for providing incendiary source.
Optionally, the reduction apparatus further includes the photocatalysis component being arranged on second cylinder of rotary kiln, and
Photocatalysis controller on the third skid case is set, the photocatalysis component and second heating component respectively with institute
State the electrical connection of photocatalysis controller, wherein the photocatalysis component is used for exiting infrared light.
Optionally, the methane synthesis device further include respectively with first cylinder of rotary kiln and second rotary kiln
The rotating device of barrel body rotation connection, the rotating device include motor and are set in first cylinder of rotary kiln/described
Driving wheel on second cylinder of rotary kiln is also respectively provided with wheel on first cylinder of rotary kiln and the second cylinder of rotary kiln
Band, and the first gear wheel corresponding with the wheel belt and the second gear wheel, for limiting first cylinder of rotary kiln and second time
The axial float of rotary kiln cylinder.
Optionally, on the outside of first cylinder of rotary kiln and second cylinder of rotary kiln and the first skid case,
Insulating layer is respectively arranged on the inside of the second skid case and the third skid case.
Another aspect of the present invention provides a kind of methane cleaning up system, including described in any one as described above
Methane synthesis device, and the cleaning equipment being connected to the methane synthesis device, the cleaning equipment are used for the methane
The gas that synthesis device generates is purified.
Optionally, the cleaning equipment includes the depositing device being sequentially communicated, radiating subassembly, purification assembly and air-introduced machine,
Air-valve, the reduction of the depositing device and the methane synthesis device are provided between the depositing device and the radiating subassembly
Device connection.
The beneficial effect of the embodiment of the present invention includes:
Methane synthesis device provided in an embodiment of the present invention, by be sequentially connected the pyrolysis installation of setting, burner and
Reduction apparatus makes biomass (such as stalk, house refuse) to pass through the pyrolysis of pyrolysis installation, is flammable by biomass pyrolytic
Property gas and semicoke.The imflammable gas and semicoke of generation using burner splitting action, by thermal decomposition product by molecule
State is cracked into atomic state.Pyrolysis product is synthesized methane gas under the action of reduction apparatus by the pyrolysis product of last atomic state
Body.
Methane cleaning up system provided in an embodiment of the present invention, by the cleaning equipment being connected to methane synthesis device,
Make the methane gas generated purification, and then promote the purity for generating methane gas, reduces the other impurities gas of generation to first
The influence of alkane gas.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of methane cleaning up system provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of pyrolysis installation provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of reduction apparatus provided in an embodiment of the present invention.
Icon: 100- pyrolysis installation；The first cylinder of rotary kiln of 110-；120- the first skid case；The first heating component of 122-；
130- kiln head cover；140- feeding conveyor；200- burner；210- the second skid case；220- ash conveyor；300- reduction
Device；The second cylinder of rotary kiln of 310-；320- third skid case；The second heating component of 322-；324- photocatalysis component；330- kiln
Hood；400- deflector；500- sealing device；The first sealant of 510-；The second sealant of 520-；530- cavity；600- igniting
Component；610- oxygen supplying tube；620- fuel gas conduit；630- burning torch；710- driving wheel；720- wheel belt；The first gear wheel of 722-；724-
Two gear wheels；800- insulating layer；900- cleaning equipment；910- depositing device；920- radiating subassembly；930- purification assembly；940- draws
Blower.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.The present invention being usually described and illustrated herein in the accompanying drawings is implemented
The component of example can be arranged and be designed with a variety of different configurations.
Therefore, the detailed description of the embodiment of the present invention provided in the accompanying drawings is not intended to limit below claimed
The scope of the present invention, but be merely representative of selected embodiment of the invention.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without creative efforts belongs to the model that the present invention protects
It encloses.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly
Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical"
It is complete horizontal, but can be slightly tilted.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" installation ", " connected ", " connection " shall be understood in a broad sense, for example, it may be fixedly connected, may be a detachable connection or one
Connect to body；It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, it can also be indirect by intermediary
It is connected, can be the connection inside two elements.For the ordinary skill in the art, on being understood with concrete condition
State the concrete meaning of term in the present invention.
Please refer to Fig. 1, the present embodiment provides a kind of methane synthesis device, including be sequentially connected setting pyrolysis installation 100,
Burner 200 and reduction apparatus 300, biomass inputs pyrolysis installation 100 and pyrolysis is flammable gas in pyrolysis installation 100
Body and semicoke, the imflammable gas and semicoke that pyrolysis installation 100 exports input burner 200 and are cracked into atom by molecular state
State, the atomic state pyrolysis product input reduction apparatus 300 that burner 200 exports synthesize methane gas.
It should be noted that being sequentially communicated between pyrolysis installation 100, burner 200 and reduction apparatus 300, biomass
Raw material such as (moisture content < 30%, being crushed to partial size < 40cm) enter pyrolysis installation 100, carry out preliminary processing.Again successively
By burner 200 and reduction apparatus 300, methane gas is ultimately generated.
Methane synthesis device provided in an embodiment of the present invention, by the pyrolysis installation 100, the burner that are sequentially connected setting
200 and reduction apparatus 300, so that biomass (such as stalk, house refuse) is passed through the pyrolysis of pyrolysis installation 100, it will be biological
Matter pyrolysis is imflammable gas and semicoke.The imflammable gas and semicoke of generation, will using the splitting action of burner 200
Thermal decomposition product is cracked into atomic state by molecular state.The pyrolysis product of last atomic state will cracking under the action of reduction apparatus 300
Product formation is methane gas.Methane synthesis device provided in an embodiment of the present invention, scale of investment is smaller, production easy to process,
Operating cost is low, and high degree of automation, maintenance cost is small, has established solid technology for countryside architecture " miniature " gas supply station processed
Basis.
As shown in Figure 1, pyrolysis installation 100 includes the first first time for skid case 120 and being threaded through on the first skid case 120
Rotary kiln cylinder 110；The ash conveyor that burner 200 skid case 210 and be arranged in the second skid case 210 including second
220；Reduction apparatus 300 includes third skid case 320 and is threaded through on the second cylinder of rotary kiln 310 of third skid case 320, the
One end of single-revolution kiln cylinder body 110 is connect with one end of the second cylinder of rotary kiln 310 by the second skid case 210.
Specifically, the length of the first cylinder of rotary kiln 110 may be provided between 4m~25m, the second cylinder of rotary kiln 310
Length may be provided between 6m~40m, exemplary, and the length of the first cylinder of rotary kiln 110 may be configured as 4m, 8m, 15m or 15m
Deng the length of the second cylinder of rotary kiln 310 may be configured as 6m, 10m, 20m, 30m or 40m etc..In addition, the first cylinder of rotary kiln
110 and second cylinder of rotary kiln 310 can be horizontally disposed with, can also be obliquely installed, the embodiment of the present invention does not do specific limit to this
System.When the first cylinder of rotary kiln 110 or the second cylinder of rotary kiln 310 are obliquely installed, settable 2%~6% gradient,
In, the arrival end of the first cylinder of rotary kiln 110 and the second cylinder of rotary kiln 310 is higher than outlet end and is so conveniently transmitted to
Raw material in first cylinder of rotary kiln 110 and the second cylinder of rotary kiln 310 smoothly slide.
Ash conveyor 220 in second skid case 210 is set, lime-ash is advanced into the second cylinder of rotary kiln
In 310, which includes motor and the screw rod connected with electric-motor drive, which is hollow knot
Structure, internal settable air cooling or water refrigerating function.In addition, in the cabinet of the settable uncovered in screw rod outer ring, to receive to fall
The lime-ash entered, and be sent in the second cylinder of rotary kiln 310 by screw rod in time.
As shown in Figure 1 to Figure 3, it is provided with the first heating component 122 in the first skid case 120, is set in third skid case 320
It is equipped with the second heating component 322, the first cylinder of rotary kiln 110 and 310 inner wall of the second cylinder of rotary kiln are respectively arranged with deflector
400, to form carrying path.
Specifically, being provided with the in the first heating component 122 and third skid case 320 that are arranged in the first skid case 120
Electric heating can be used in two heating components 322, it is preferable that is electrically heated using heating wire, using electric heating energy utilization rate
Height, when heating, the other factors such as do not pollute and influence.
Deflector 400 may be configured as spiral shape, when the first cylinder of rotary kiln 110 and 310 level of the second cylinder of rotary kiln are set
The transmission of material will not be influenced when setting, in addition, deflector 400 is set as spiral shape, during the material transmission that can make inside
It is more loose, be conducive to promote synthetic ratio, so that biomass is synthesized methane more abundant.
As shown in Figure 1, pyrolysis installation 100 further includes kiln head cover 130, kiln head cover 130 is arranged in the first cylinder of rotary kiln 110
One end far from the second skid case 210；Reduction apparatus 300 further includes kiln hood 330, and kiln hood 330 is arranged in the second rotary kiln
The one end of cylinder 310 far from the second skid case 210.
Specifically, passing through the kiln head cover 130 that the one end of the first cylinder of rotary kiln 110 far from the second skid case 210 is arranged in
Kiln hood 330 with the one end of the second cylinder of rotary kiln 310 far from the second skid case 210 is arranged in, makes sequentially connected pyrolysis
There is required leakproofness, it is ensured that the normal synthesis of methane between device 100, burner 200 and reduction apparatus 300.
As depicted in figs. 1 and 2, the first cylinder of rotary kiln 110 and 130 junction of kiln head cover, the first cylinder of rotary kiln 110 with
Second skid case, 210 junction, the second cylinder of rotary kiln 310 and kiln hood 330 and the second cylinder of rotary kiln 310 and the second sled
210 junctions of casing are respectively arranged with sealing device 500, which includes the first sealant 510, the second sealant
520 and blower, it is formed with cavity 530 between the first sealant 510 and the second sealant 520, blower is in cavity 530 for making
Negative pressure.
Specifically, the first sealant 510 and the second sealant 520 can play the role of sealing, the suction opening of blower with
The connection of second sealant 520, the continuous exhausting of blower make to form negative pressure in cavity 530, the first cylinder of rotary kiln 110 and the second revolution
Even if gas leaks in kiln cylinder body 310, it will also be pumped without random leakage, reduce methane synthesis device uses wind
Danger.
As shown in Figure 1, pyrolysis installation 100 further includes feeding conveyor 140, feeding conveyor 140 is arranged in kiln head cover 130
On, for biomass to be transported in the first cylinder of rotary kiln 110.
Specifically, feeding conveyor 140 includes spiral reamer, material is facilitated to smoothly enter in pyrolysis installation 100.Charging
Conveyer 140 protrudes into the 400mm-1000mm in kiln head cover 130 without spiral reamer, and material is accumulated herein, there is spiral reamer section
Pushing force is compacted material jam-packed, plays sealing function inside and outside the first cylinder of rotary kiln 110.
As shown in Figure 1, burner 200 further includes ignition module 600, which includes oxygen supplying tube 610, combustion
Tracheae 620, liquefaction tracheae (not shown in figure 1) and burning torch 630, oxygen supplying tube 610, fuel gas conduit 620, liquefaction tracheae and igniting
The end of rifle 630 comes together at one, and fuel gas conduit 620 is used for delivery of fuel gas, and oxygen supplying tube 610 is for providing fuel gas buring requisite oxygen
Gas, liquefied gas pipe is for providing liquefied gas with the flare that ignites, and burning torch 630 is for providing incendiary source, wherein burner 200
The visible luminous energy of the open fire generated when interior burning is irradiated in the second cylinder of rotary kiln 310.
Specifically, oxygen supplying tube 610, fuel gas conduit 620, liquefaction tracheae and burning torch 630 are respectively arranged with valve, oxygen supplying tube
610 through valve be sent into oxygen (being also possible to air), fuel gas conduit 620 through valve be sent into the self-produced combustion gas of this methane synthesis device or
Other combustion gas conveyed by other fuel gas sources, the tracheae that liquefies are sent into bottled gas through valve, and burning torch 630 was held every 20 seconds
It after flare is ignited, then is ignited the combustion that fuel gas conduit 620 is sent by flare 20 seconds (ensuring continuous 8000 hours fault-frees) of continuous sparking
Gas kindling.About 500 DEG C of the temperature of imflammable gas from the second skid case 210 is sent into the combustion of combustion gas open fire through ignition module 600
(10-30% that the amount of oxygen of feeding is theoretical air requirement) is burnt, temperature rises to nearly 1000 DEG C, it is therefore an objective to make CmHnGas moment
Cracking, obtains the C of atom level and the H of molecular level2.Because only that the electronics of the C of atom level, 2S track could receive infrared light
Energy forms sp3 hybridized orbit, CO, CO2With C contained in fixed carbon molecules, infrared light does not act as the electronics of its 2S track
With, and hydrocarbon gas CmHnIt need to can just be cracked at 900 DEG C or more, if the C of 5C or moremHnMolecule does not crack, from kiln hood 330
It is exactly tar that discharge, which is cooled to room temperature, would not become CH4, so must improve temperature makes CmHnCracking is to obtain atom level
C makes C atom form sp3 hybridized orbit and creates necessary condition for photocatalysis.
As shown in figures 1 and 3, reduction apparatus 300 further includes the photocatalysis component being arranged on the second cylinder of rotary kiln 310
324, and the photocatalysis controller being arranged on third skid case 320, photocatalysis component 324 and the second heating component 322 divide
It is not electrically connected with photocatalysis controller, wherein photocatalysis component 324 is used for exiting infrared light.
Specifically, the second cylinder of rotary kiln 310 is the weldment that heat resisting steel rolls, by being arranged in the second cylinder of rotary kiln
Photocatalysis component 324 on 310 can launch infrared light in 300 DEG C -900 DEG C of warm area, the shake for the photon launched
Dynamic frequency will match with the frequency of the electronics of 2s track, therefore can be by the Electron absorption of 2s track.There is a pair 2 in 2s track
A electronics, the energy of the photon absorbed when transitting to energy coincidence required for 2p track with it, there is 1 in 2s track
Electronics will transit in 2pz unoccupied orbital, thus, so that 4 tracks of C atoms outermost is respectively had 1 electronics, and be distributed as sp3 again
Hybridized orbit, i.e., each sp3 hybridized orbit have 1/4 s ingredient, 3/4 p ingredient, and such C atom can generate CH with 4 H4,
Its angle is 109 ° of 28 '.
In addition, the photo-catalysis function when the second cylinder of rotary kiln 310 is remarkably decreased, CH4When synthesis cannot maximize, light is urged
In due course adjustment can be carried out to photocatalysis component 324 and the second heating component 322 according to the actual situation by changing controller.For example, making
Second heating component 322 heating, so as to keep suitable warm area in the second cylinder of rotary kiln 310.
As shown in Figure 1 to Figure 3, methane synthesis device further include respectively with the first cylinder of rotary kiln 110 and the second rotary kiln
The rotating device that cylinder 310 is rotatablely connected, rotating device include motor and are set in the first cylinder of rotary kiln 110/ second time
Wheel is also respectively provided on driving wheel 710 on rotary kiln cylinder 310, the first cylinder of rotary kiln 110 and the second cylinder of rotary kiln 310
Band 720, and first gear wheel 722 corresponding with wheel belt 720 and the second gear wheel 724, for limiting 110 He of the first cylinder of rotary kiln
The axial float of second cylinder of rotary kiln 310.
Specifically, the embodiment of the present invention is not particularly limited driving wheel 710, exemplary, driving wheel 710 may be configured as tooth
Any one of wheel, belt wheel and sprocket wheel, as long as can satisfy required transmission.In addition, the embodiment of the present invention is to driving wheel
The number of 710 wheel belt 720 is not particularly limited, exemplary, on the first cylinder of rotary kiln 110 and the second cylinder of rotary kiln 310
Two wheel belt 720 can be respectively set, the first gear wheel 722 and the second gear wheel 724 are separately positioned on the two sides of wheel belt 720, when first
When cylinder of rotary kiln 110 and the second cylinder of rotary kiln 310 are obliquely installed, the first gear wheel 722 and the second gear wheel 724 can prevent first
Cylinder of rotary kiln 110 and the second cylinder of rotary kiln 310 are moved down because of inclination, and then are impacted to the precision of equipment installation.
As shown in Figure 1, the first cylinder of rotary kiln 110 and the outside of the second cylinder of rotary kiln 310 and the first skid case 120,
Insulating layer 800 is respectively arranged on the inside of second skid case 210 and third skid case 320.
Specifically, the insulating layer 800 of 320 inside of the first skid case 120, the second skid case 210 and third skid case is fixed
It is motionless, play the role of heat preservation to the first skid case 120, the second skid case 210 and third skid case 320.First skid case
120, the first cylinder of rotary kiln 110 and the second cylinder of rotary kiln except 320 region of the second skid case 210 and third skid case
The insulating layer 800 of 310 settings is with 310 synchronous revolving of the first cylinder of rotary kiln 110 and the second cylinder of rotary kiln.
The embodiment of the present invention also provides a kind of methane cleaning up system, and the methane synthesis including any one as above is set
Cleaning equipment 900 that is standby, and being connected to methane synthesis device, cleaning equipment 900 are used for the gas generated to methane synthesis device
Body is purified.
Methane cleaning up system provided in an embodiment of the present invention, passes through the cleaning equipment being connected to methane synthesis device
900, make the methane gas generated purification, and then promote the purity for generating methane gas, reduces the other impurities gas of generation
Influence to methane gas.
As shown in Figure 1, cleaning equipment 900 includes depositing device 910, the radiating subassembly 920, purification assembly being sequentially communicated
930 and air-introduced machine 940, air-valve (not shown in figure 1), depositing device are provided between depositing device 910 and radiating subassembly 920
910 are connected to the reduction apparatus 300 of methane synthesis device.
Specifically, drawing the methane gas of synthesis smoothly by air-introduced machine 940, convenient for the collection to gas.
In addition, by adjusting the open degree of air-valve, pressure in adjustable methane synthesis device is allowed to satisfactory pressure work
Condition.Wherein, the methane gas of generation passes through depositing device 910 at first, and being mingled in intracorporal dust particles of methane gas etc. can drop down onto
910 bottom of depositing device, preliminary purification is carried out to methane gas.Methane gas temperature at this time is also higher, later by dissipating
Hot component 920 is to radiate to methane gas.Using purification assembly 930 after heat dissipation, being mingled in the intracorporal coke of methane gas
Oil, hydrogen sulfide and other impurities gas are handled, to obtain the higher methane gas of degree of purity.Later just by air-introduced machine 940
It draws and collects, and purified methane gas is detected or is passed through by gas element analyzer other equipment progress
Further operation.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of methane synthesis device, which is characterized in that including being sequentially connected the pyrolysis installation of setting, burner and also original-pack
It sets, biomass inputs the pyrolysis installation and pyrolysis is imflammable gas and semicoke, the pyrolysis dress in the pyrolysis installation
The imflammable gas and semicoke for setting output input the burner and are cracked into atomic state by molecular state, and the burner is defeated
Atomic state pyrolysis product out inputs the reduction apparatus and synthesizes methane gas.
2. methane synthesis device according to claim 1, which is characterized in that the pyrolysis installation include the first skid case and
The first cylinder of rotary kiln being threaded through on the first skid case；The burner includes the second skid case and is arranged described
Ash conveyor in second skid case；The reduction apparatus includes third skid case and is threaded through on the third skid case
Second cylinder of rotary kiln, and one end of one end of first cylinder of rotary kiln and second cylinder of rotary kiln passes through described the
The connection of two skid casees.
3. methane synthesis device according to claim 2, which is characterized in that be provided with first in the first skid case and add
Hot component is provided with the second heating component, first cylinder of rotary kiln and second rotary kiln in the third skid case
Cylinder inboard wall is respectively arranged with deflector, to form carrying path.
4. methane synthesis device according to claim 2, which is characterized in that the pyrolysis installation further includes kiln head cover, institute
It states kiln head cover and the one end of first cylinder of rotary kiln far from the second skid case is set；The reduction apparatus further includes kiln
The one end of second cylinder of rotary kiln far from the second skid case is arranged in hood, the kiln hood.
5. methane synthesis device according to claim 4, which is characterized in that first cylinder of rotary kiln and the kiln hood
Cover junction, first cylinder of rotary kiln and the second skid case junction, second cylinder of rotary kiln and the kiln
Hood and second cylinder of rotary kiln and the second skid case junction are respectively arranged with sealing device, the sealing dress
It sets including the first sealant, the second sealant and blower, is formed between first sealant and second sealant free
Chamber, the blower is for making in the cavity in negative pressure.
6. methane synthesis device according to claim 4, which is characterized in that the pyrolysis installation further includes charging conveying
Machine, the feeding conveyor is arranged on the kiln head cover, for biomass to be transported in first cylinder of rotary kiln.
7. methane synthesis device according to claim 6, which is characterized in that the burner further includes ignition module,
The ignition module includes oxygen supplying tube, fuel gas conduit, liquefaction tracheae and burning torch, the oxygen supplying tube, the fuel gas conduit, the liquefaction
The end of tracheae and the burning torch comes together at one, and the fuel gas conduit is used for delivery of fuel gas, and the oxygen supplying tube is for providing
Oxygen needed for fuel gas buring, the liquefied gas pipe is for providing liquefied gas with the flare that ignites, and the burning torch is for providing igniting
Source.
8. methane synthesis device according to claim 3, which is characterized in that the reduction apparatus further includes being arranged described
Photocatalysis component on second cylinder of rotary kiln, and the photocatalysis controller being arranged on the third skid case, the light
Catalytic module and second heating component are electrically connected with the photocatalysis controller respectively, wherein the photocatalysis component is used
In exiting infrared light.
9. methane synthesis device according to claim 2, which is characterized in that the methane synthesis device further include respectively with
The rotating device of first cylinder of rotary kiln and second cylinder of rotary kiln rotation connection, the rotating device includes electronic
Machine and the driving wheel being set on first cylinder of rotary kiln/second cylinder of rotary kiln, first cylinder of rotary kiln
With wheel belt, and the first gear wheel corresponding with the wheel belt and the second gear wheel are also respectively provided on the second cylinder of rotary kiln, use
In the axial float for limiting first cylinder of rotary kiln and the second cylinder of rotary kiln.
10. methane synthesis device according to claim 2, which is characterized in that first cylinder of rotary kiln and described
It is set respectively on the outside of two-revolution kiln cylinder body and on the inside of the first skid case, the second skid case and the third skid case
It is equipped with insulating layer.
11. a kind of methane cleaning up system, which is characterized in that synthesized including methane described in claim 1-10 any one
Equipment, and the cleaning equipment being connected to the methane synthesis device, the cleaning equipment are used for the methane synthesis device
The gas of generation is purified.
12. methane cleaning up system according to claim 11, which is characterized in that the cleaning equipment includes successively connecting
Logical depositing device, radiating subassembly, purification assembly and air-introduced machine, is provided with wind between the depositing device and the radiating subassembly
Valve, the depositing device are connected to the reduction apparatus of the methane synthesis device.
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| CN201910341438.9A CN110002931A (en) | 2019-04-25 | 2019-04-25 | Methane synthesis device and methane cleaning up system |
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