CN207243812U - Pyrolysis of coal couples acetylene aromatic device - Google Patents
Pyrolysis of coal couples acetylene aromatic device Download PDFInfo
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- CN207243812U CN207243812U CN201721142529.2U CN201721142529U CN207243812U CN 207243812 U CN207243812 U CN 207243812U CN 201721142529 U CN201721142529 U CN 201721142529U CN 207243812 U CN207243812 U CN 207243812U
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- acetylene
- pyrolysis
- coal
- reaction
- aromatic device
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Abstract
The utility model discloses pyrolysis of coal to couple acetylene aromatic device, including：Feed hopper, feeding screw, heat accumulation type radiant tube, acetylene reaction pipe and spiral discharging device, feed hopper are arranged on above pyrolysis of coal coupling acetylene aromatic device；Feeding screw entrance is connected with feeding hopper exit, has coal entrance and pyrolysis oil gas vent at the top of pyrolysis of coal coupling acetylene aromatic device；Heat accumulation type radiant tube is arranged in pyrolysis of coal coupling acetylene aromatic device cavity, and along the short transverse multi-tier arrangement in cavity, every layer has more equally distributed heat accumulation type radiant tubes parallel to each other in the horizontal direction；Acetylene reaction pipe is arranged in pyrolysis of coal coupling acetylene aromatic device cavity and along the short transverse multi-tier arrangement in cavity, and every layer has more equally distributed acetylene reaction pipes parallel to each other in the horizontal direction；Spiral discharging device is connected with semicoke outlet.The coupling of pyrolysis of coal reaction and the reaction of acetylene aromatic hydrocarbons and the industrialized production of acetylene aromatic hydrocarbons reaction can be realized using the device.
Description
Technical field
The utility model belongs to chemical engineering of materials field, specifically, the utility model is related to pyrolysis of coal coupling acetylene system virtue
Hydrocarbon device.
Background technology
The light aromatics such as benzene, toluene and dimethylbenzene are one of most important Elementary Chemical Industry raw material, are widely used in producing rubber
The chemical products such as glue, fiber, plastics and dyestuff.At present, aromatic hydrocarbons is mainly derived from catalytic reforming and hydro carbons heat in petrochemical industry
Solution, but petroleum resources are more and more deficienter at present, therefore, it is imperative to develop other path production light aromatics.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.For this reason, this reality
It is to propose pyrolysis of coal coupling acetylene aromatic device with a new purpose.The heat of coal can be not only realized using the device
Solution reaction and the efficient coupling of acetylene aromatic hydrocarbons reaction and the industrialized production of acetylene aromatic hydrocarbons reaction, moreover it is possible to significantly reduce production
Cost and energy consumption.
One side according to the present utility model, the utility model proposes a kind of pyrolysis of coal coupling acetylene aromatic hydrocarbons dress
Put, including：
Feed hopper, the feed hopper are arranged on the top of the pyrolysis of coal coupling acetylene aromatic device；
Feeding screw, the entrance of the feeding screw are connected with the outlet of the feed hopper, the pyrolysis of coal coupling
The top of acetylene aromatic device has coal entrance and pyrolysis oil gas vent, the outlet of the feeding screw and the coal entrance
It is connected；
Heat accumulation type radiant tube, the heat accumulation type radiant tube are arranged on the cavity of the pyrolysis of coal coupling acetylene aromatic device
It is interior, and along the short transverse multi-tier arrangement in the cavity, every layer is parallel to each other equally distributed in the horizontal direction with more
Heat accumulation type radiant tube；
Acetylene reaction pipe, the acetylene reaction pipe be arranged in the cavity of pyrolysis of coal coupling acetylene aromatic device and
Along the short transverse multi-tier arrangement in the cavity, every layer have more in the horizontal direction equally distributed acetylene parallel to each other it is anti-
Ying Guan；
Spiral discharging device, the spiral discharging device and the semicoke that acetylene aromatic device bottom is coupled positioned at the pyrolysis of coal
Outlet is connected.
Acetylene aromatic device is coupled according to the pyrolysis of coal of the utility model above-described embodiment, is carried using heat accumulation type radiant tube
The heat of confession can not only be pyrolyzed coal and obtain pyrolysis oil gas and semicoke, moreover it is possible to provide stabilization for the reaction of acetylene aromatic hydrocarbons
Temperature field, promote being smoothed out for acetylene aromatic hydrocarbons reaction.In addition, the reaction of acetylene aromatic hydrocarbons is exothermic reaction, can be into one
Step maintains the temperature in pyrolysis of coal coupling acetylene aromatic device cavity, and then can further improve the pyrolytic reaction and second of coal
The efficiency of alkynes aromatic hydrocarbons reaction.Thus, acetylene aromatic device is coupled not by the pyrolysis of coal of the utility model above-described embodiment
It can only realize the pyrolytic reaction and the efficient coupling of acetylene aromatic hydrocarbons reaction of coal, and further improve the pyrolytic reaction and second of coal
The efficiency of alkynes aromatic hydrocarbons reaction, moreover it is possible to realize the industrialized production of acetylene aromatic hydrocarbons reaction, and significantly reduce production cost and energy
Consumption.
In addition, can also be had according to the pyrolysis of coal of the utility model above-described embodiment coupling acetylene aromatic device as follows
Additional technical characteristic：
In the utility model, every layer of acetylene reaction pipe is arranged between the adjacent two layers heat accumulation type radiant tube.Thus,
Every layer of acetylene reaction pipe can be made to be in uniform and stable temperature field.
In the utility model, the extending direction phase of the extending direction of the heat accumulation type radiant tube and the acetylene reaction pipe
It is mutually vertical.Thus, it can not only realize that more preferable thermal field is split and keeps uniform temperature fields, moreover it is possible to increase fine coal in pyrolysis of coal coupling
The residence time in the cavity of acetylene aromatic device is closed, coal is fully pyrolyzed.
In the utility model, the material of the acetylene reaction pipe is ceramics.Thus, it is possible to effectively avoid Celsius 200
Acetylene is contacted with metals such as stainless steels when more than degree occurs side reaction.
In the utility model, the outer surface of the acetylene reaction pipe has alkali metal coating.Thus, it is possible to effectively facilitate
The pyrolysis of fine coal and the pyrolytic for being pyrolyzed oil gas.
In the utility model, the thickness of the alkali metal coating is 100-200 μm.Thus, it is possible to further promote powder
The pyrolysis of coal and the pyrolytic for being pyrolyzed oil gas.
In the utility model, horizontal distance is separately between two adjacent heat accumulation type radiant tubes in every layer
For 200-600mm.Thus, it is possible to be the uniform and stable temperature field of the pyrolysis and offer of coal and suitable pyrolysis space, and it is second
Alkynes aromatic hydrocarbons reacts heat supply, and what promotion pyrolysis of coal and acetylene aromatic hydrocarbons reacted is smoothed out.
In the utility model, the horizontal distance in every layer between the adjacent two acetylene reaction pipes is separately
For 200-600mm.Thus, it is possible to make that there is uniform and stable temperature field in acetylene reaction pipe 400, and improve acetylene aromatic hydrocarbons
Reaction efficiency.
Brief description of the drawings
Fig. 1 is the structure diagram that acetylene aromatic device is coupled according to the pyrolysis of coal of the utility model one embodiment.
Embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that to the utility model
Limitation.
One side according to the present utility model, the utility model proposes a kind of pyrolysis of coal coupling acetylene aromatic hydrocarbons dress
Put, as shown in Figure 1, including：Feed hopper 100, feeding screw 200, heat accumulation type radiant tube 300, acetylene reaction pipe 400 and spiral
Discharger 500.
Wherein, feed hopper 100 is arranged on the top of pyrolysis of coal coupling acetylene aromatic device；Feeding screw 200 enters
Mouth 210 is connected with the outlet 110 of feed hopper 100, and the top of pyrolysis of coal coupling acetylene aromatic device has coal entrance 600 and heat
Oil gas vent 700 is solved, the outlet 220 of feeding screw 200 is connected with coal entrance 600；Heat accumulation type radiant tube 300 is arranged on coal heat
In the cavity 800 of decoupling acetylene aromatic device, and along the short transverse multi-tier arrangement in cavity 800, every layer has more
Equally distributed heat accumulation type radiant tube 300 parallel to each other in the horizontal direction；Acetylene reaction pipe 400 is arranged on pyrolysis of coal coupling acetylene
In the cavity 800 of aromatic device processed and along the short transverse multi-tier arrangement in cavity 800, every layer have more in the horizontal direction that
This parallel equally distributed acetylene reaction pipe 400；Spiral discharging device 500 couples acetylene aromatic device bottom with positioned at pyrolysis of coal
Semicoke outlet 900 be connected.
Acetylene aromatic device is coupled according to the pyrolysis of coal of the utility model above-described embodiment, utilizes heat accumulation type radiant tube
300 heats provided can not only be pyrolyzed coal and obtain pyrolysis oil gas and semicoke, moreover it is possible to be carried for the reaction of acetylene aromatic hydrocarbons
For stable temperature field, promote being smoothed out for acetylene aromatic hydrocarbons reaction.In addition, the reaction of acetylene aromatic hydrocarbons is exothermic reaction, energy
Enough temperature further maintained in pyrolysis of coal coupling acetylene aromatic device cavity 800, and then the heat of coal can be further improved
Solution reaction and the efficiency of acetylene aromatic hydrocarbons reaction.Thus, acetylene system is coupled by the pyrolysis of coal of the utility model above-described embodiment
Aromatic device can not only realize the pyrolytic reaction and the efficient coupling of acetylene aromatic hydrocarbons reaction of coal, and further improve the heat of coal
Solution reaction and the efficiency of acetylene aromatic hydrocarbons reaction, moreover it is possible to realize the industrialized production of acetylene aromatic hydrocarbons reaction, and significantly reduce life
Produce cost and energy consumption.
Retouched in detail below with reference to pyrolysis of coal coupling acetylene aromatic devices of the Fig. 1 to the utility model above-described embodiment
State.
Specific embodiment according to the present utility model, feed hopper 100 can be used for holding what is obtained after middle low-order coal crushes
Fine coal, and certain fine coal height should be kept in feed hopper 100, and then the chamber of pyrolysis of coal coupling acetylene aromatic device can be made
Body 800 completely cuts off air, avoids coal and thermal decomposition product that combustion reaction occurs with air.
Specific embodiment according to the present utility model, every layer of acetylene reaction pipe 400 can be arranged on adjacent two layers heat accumulating type
Between radiant tube 300.By using above-mentioned setting in the utility model, every layer of acetylene reaction pipe 400 can be made to be in uniformly
In stable temperature field, effectively avoid influencing there are larger temperature difference in acetylene reaction pipe acetylene polymerization reaction it is smooth into
OK.
The quantitative relation of specific embodiment according to the present utility model, acetylene reaction pipe 400 and heat accumulation type radiant tube 300 can
Think：The quantity of each layer of acetylene reaction pipe 400 is less than or equal to the quantity of last layer heat accumulation type radiant tube 300, and acetylene reaction
Pipe 400 is than 300 few one layers of heat accumulation type radiant tube.Thus, it is possible to make having for acetylene reaction pipe 400 enough by heat space, and
Make acetylene reaction pipe 400 that there is the temperature field for being more uniformly distributed, stablizing under the encirclement of heat accumulation type radiant tube 300.
Specific embodiment according to the present utility model, every layer of acetylene reaction pipe 400 and two layers adjacent of heat accumulation type radiant tube
Vertical range between 300 can be 100-400mm.Thus, it is possible to make acetylene reaction pipe 400 in pyrolysis of coal coupling acetylene system virtue
Can be with thermally equivalent in the cavity 800 of hydrocarbon device, and then the acetylene in acetylene reaction pipe 400 is made full use of heat accumulation type radiant tube
The 300 uniform and stable temperature fields provided carry out polymerisation and prepare aromatic hydrocarbons.Specific embodiment according to the present utility model, every layer
Vertical range between acetylene reaction pipe 400 and adjacent two layers of heat accumulation type radiant tube 300 can be preferably 200-300mm.By
This, can react the temperature field for providing and being more uniformly distributed, stablizing for acetylene aromatic hydrocarbons.
It should be noted that " vertical range " described in the utility model is referred between the central shaft of each pipeline
Distance, for example, the vertical range between every layer of acetylene reaction pipe 400 and adjacent two layers of heat accumulation type radiant tube 300 refers to often
The distance between central shaft and the adjacent central shaft of two layers of heat accumulation type radiant tube 300 of layer acetylene reaction pipe 400.
Specific embodiment according to the present utility model, extending direction and the acetylene reaction pipe 400 of heat accumulation type radiant tube 300
Extending direction can be mutually perpendicular to.By using above-mentioned setting in the utility model, acetylene reaction pipe 400 is set to be radiated with heat accumulating type
300 crisscross arrangement of pipe, perpendicular relation simultaneously form net structure, can not only realize that more preferable thermal field is split and keeps temperature
It is uniform to spend field, moreover it is possible to increase residence time of the fine coal in the cavity 800 of pyrolysis of coal coupling acetylene aromatic device, enable coal
Fully pyrolysis.
Specific embodiment according to the present utility model, the material of acetylene reaction pipe 400 can be ceramics.Inventor's discovery,
When more than 200 degrees Celsius, acetylene is contacted with metals such as stainless steels can occur side reaction.By using ceramics in the utility model
The acetylene reaction pipe of material, it is possible to prevente effectively from acetylene contacts the side reaction occurred with metals such as stainless steels.
Specific embodiment according to the present utility model, the outer surface of acetylene reaction pipe 400 can have alkali metal coating.Hair
A person of good sense has found, during pyrolysis of coal, alkali metal can promote to be pyrolyzed oil gas second pyrolysis, improve pyrolysis gas yield.Thus, this practicality is new
By setting alkali metal coating in the outer surface of acetylene reaction pipe 400 in type, pyrolysis efficiency and the pyrolysis of coal can be significantly improved
The yield of gas in oil gas.
Specific embodiment according to the present utility model, the thickness of the alkali metal coating of the outer surface of acetylene reaction pipe 400 can
Think 100-200 μm.Inventor has found, if the thickness of alkali metal coating is less than 100 μm, is not enough to effectively facilitate the pyrolysis of coal
With the decomposition of pyrolysis oil gas, and when the thickness of alkali metal coating is more than 200 μm, the pyrolysis efficiency of coal can not be further improved
With the yield of gas in pyrolysis oil gas, can also alkali metal be caused to waste.Thus, by controlling alkali metal coating in the utility model
Thickness be 100-200 μm, not only can further promote fine coal pyrolysis and be pyrolyzed oil gas pyrolytic, improve coal
It is pyrolyzed efficiency and is pyrolyzed the yield of gas in oil gas, moreover it is possible to avoids the wasting of resources.
Specific embodiment according to the present utility model, the alkali metal coating of the outer surface of acetylene reaction pipe 400 can be by alkali
Metal and γ-Al2O3Composition, alkali metal and γ-Al2O3Mass ratio can be 1：(6-20).Inventor has found, works as alkali metal
Coating is by alkali metal and γ-Al2O3During by forming, it can further promote pyrolysis and the pyrolysis oil gas second pyrolysis of coal.In addition,
Inventor also found, when using alkali metal and γ-Al2O3When forming alkali metal coating, if alkali metal and γ-Al2O3Mass ratio
Less than 1:When 20, tenor is relatively low, the catalytic action unobvious of alkali metal；When alkali metal and γ-Al2O3Mass ratio be more than
1:When 6, metal dispersion is poor, influences catalytic effect.Thus, by controlling alkali metal and γ-Al in the utility model2O3Matter
Amount is than being 1：(6-20), can further promote the pyrolysis of fine coal and be pyrolyzed the pyrolytic of oil gas.
Specific embodiment according to the present utility model, in every layer between two adjacent heat accumulation type radiant tubes 300 level away from
From can be separately 200-600mm.Thus, it is possible to make tool in the cavity 800 of pyrolysis of coal coupling acetylene aromatic device
There is temperature field that is uniform, stablizing, and then suitable pyrolysis temperature and pyrolysis space can be provided for the pyrolysis of coal, and be acetylene system
Aromatic hydrocarbons reacts heat supply, and what promotion pyrolysis of coal reaction and acetylene aromatic hydrocarbons reacted is smoothed out.It is according to the present utility model specific real
Apply example, horizontal distance can be preferably be separately 300- between two adjacent heat accumulation type radiant tubes 300 in every layer
400mm.Thus, it is possible to the temperature field in pyrolysis of coal coupling acetylene aromatic device cavity 800 is more uniformly distributed, stablized, and then
Further improve the efficiency of pyrolysis of coal and the reaction of acetylene aromatic hydrocarbons.
In some embodiments of the utility model, in every layer between two adjacent acetylene reaction pipes 400 it is horizontal away from
From can be separately 200-600mm.Thus, it is possible to it is enough by heat space to be respectively provided with each acetylene reaction pipe 400,
And be pulverized coal pyrolysis headspace, and then the pyrolytic reaction of the reaction of acetylene aromatic hydrocarbons and coal is smoothed out.According to this
The specific embodiment of utility model, the horizontal distance in every layer between two adjacent acetylene reaction pipes 400 can preferably be distinguished
300-400mm independently is, thus, it is possible to further promote the pyrolytic reaction of the reaction of acetylene aromatic hydrocarbons and coal.
It should be noted that " horizontal distance " described in the utility model refers to the level between each outer diameter tube
Distance, for example, horizontal distance refers to two spokes adjacent in every layer between two heat accumulation type radiant tubes 300 adjacent in every layer
Penetrate the horizontal distance between pipe outside diameter, the horizontal distance in every layer between two adjacent acetylene reaction pipes 400 refers to every layer
Horizontal distance between interior two adjacent acetylene reaction pipe outside diameters.
Specific embodiment according to the present utility model, the outside diameter of heat accumulation type radiant tube 300 can be 200-300mm.By
This, can couple acetylene aromatic device for pyrolysis of coal and provide the temperature field of stabilization, and then make pyrolysis and the acetylene aromatic hydrocarbons of coal
Reaction can be smoothed out under uniform temperature field.Specific embodiment according to the present utility model, heat accumulation type radiant tube 300
Outside diameter can be preferably 200-250mm.Thus, it is possible to make temperature field in pyrolysis of coal coupling acetylene aromatic device more steady
It is fixed, and further promote the pyrolysis of coal and being smoothed out for acetylene aromatic hydrocarbons reaction.
Specific embodiment according to the present utility model, the outside diameter of acetylene reaction pipe 400 can be 100-300mm.This practicality
400 heated fast of acetylene reaction pipe can not only be made in new by using above-mentioned setting, realize acetylene reaction pipe 400 and coal heat
Equalized temperature in decoupling acetylene aromatic device cavity 800, moreover it is possible to it is empty to provide enough reactions for the reaction of acetylene aromatic hydrocarbons
Between, promote being smoothed out for acetylene aromatic hydrocarbons reaction.Specific embodiment according to the present utility model, acetylene reaction pipe 400 it is outer
Footpath can be preferably 200-250mm, be more uniformly distributed stable temperature field thus, it is possible to make to have in acetylene reaction pipe 400, and carry
The reaction efficiency of high acetylene aromatic hydrocarbons.
Specific embodiment according to the present utility model, second is coupled by using the pyrolysis of coal of the utility model above-described embodiment
The pyrolysis oil gas that alkynes aromatic device is prepared is exported by pyrolysis oil gas vent 700, and enters follow-up gas and oil separating plant
Oil-gas Separation is carried out with gas-purification separation device and gas purification, the solid semicoke of generation are exported by spiral discharging device 500.
Embodiment 1
A kind of pyrolysis of coal coupling acetylene aromatic device is provided, which includes feed hopper, feeding screw, heat accumulating type spoke
Penetrate pipe, acetylene reaction pipe and spiral discharging device.Heat accumulation type radiant tube outside diameter is 200mm, and acetylene reaction pipe outside diameter is 100mm, often
Horizontal distance in layer between adjacent radiation pipe is 400mm, and horizontal distance is 400mm between adjacent acetylene reaction pipe in every layer,
Vertical range between every layer of acetylene reaction pipe and two layers adjacent of heat accumulation type radiant tube is 200mm.
Pyrolytic reaction is carried out using above-mentioned pyrolysis of coal coupling acetylene aromatic device centering low-order coal and utilizes acetylene production
Aromatic hydrocarbons.The fine coal that particle diameter is less than 3mm is crushed and filtered out, is sent fine coal to progress heat in the cavity of device by feeding screw
Solve, the temperature in cavity is 800 DEG C, and the residence time of coal in the cavity is 2s, generation semicoke, pyrolysis oil gas.By acetylene volume
Fraction is that 20% acetylene and nitrogen mixture are passed through acetylene reaction pipe and are reacted, and the volume space velocity of gaseous mixture is 3000h-1,
Temperature is about 785 DEG C in acetylene reaction pipe.Wherein, the yield for the high-quality semicoke that pyrolysis of coal produces is 64%, is pyrolyzed the receipts of oil gas
Rate 36%；The conversion ratio of acetylene is 83%, light aromatics yield 65%.
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 utility model.In the present specification, to the schematic table of above-mentioned term
Identical embodiment or example need not be directed to by stating.Moreover, particular features, structures, materials, or characteristics described can be
Combined in an appropriate manner in any one or more embodiments or example.In addition, without conflicting with each other, this area
Technical staff can carry out the different embodiments or example described in this specification and different embodiments or exemplary feature
With reference to and combination.
Although the embodiment of the utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to the limitation to the utility model is interpreted as, those of ordinary skill in the art are in the scope of the utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (8)
1. a kind of pyrolysis of coal couples acetylene aromatic device, it is characterised in that including：
Feed hopper, the feed hopper are arranged on the top of the pyrolysis of coal coupling acetylene aromatic device；
Feeding screw, the entrance of the feeding screw are connected with the outlet of the feed hopper, and the pyrolysis of coal couples acetylene
The top of aromatic device processed has coal entrance and pyrolysis oil gas vent, the outlet of the feeding screw and the coal entrance phase
Even；
Heat accumulation type radiant tube, the heat accumulation type radiant tube are arranged in the cavity of the pyrolysis of coal coupling acetylene aromatic device,
And along the short transverse multi-tier arrangement in the cavity, every layer has more equally distributed accumulation of heats parallel to each other in the horizontal direction
Formula radiant tube；
Acetylene reaction pipe, the acetylene reaction pipe are arranged in the cavity of pyrolysis of coal coupling acetylene aromatic device and along institutes
The short transverse multi-tier arrangement in cavity is stated, every layer has more equally distributed acetylene reactions parallel to each other in the horizontal direction
Pipe；
Spiral discharging device, the spiral discharging device are exported with coupling the semicoke of acetylene aromatic device bottom positioned at the pyrolysis of coal
It is connected.
2. pyrolysis of coal according to claim 1 couples acetylene aromatic device, it is characterised in that every layer of acetylene reaction pipe is set
Put between the adjacent two layers heat accumulation type radiant tube.
3. pyrolysis of coal according to claim 2 couples acetylene aromatic device, it is characterised in that the heat accumulation type radiant tube
The extending direction of extending direction and the acetylene reaction pipe be mutually perpendicular to.
4. pyrolysis of coal according to claim 1 couples acetylene aromatic device, it is characterised in that the acetylene reaction pipe
Material is ceramics.
5. pyrolysis of coal according to claim 4 couples acetylene aromatic device, it is characterised in that the acetylene reaction pipe
Outer surface has alkali metal coating.
6. pyrolysis of coal according to claim 5 couples acetylene aromatic device, it is characterised in that the alkali metal coating
Thickness is 100-200 μm.
7. pyrolysis of coal according to claim 2 couples acetylene aromatic device, it is characterised in that adjacent two in every layer
Horizontal distance is separately 200-600mm between the heat accumulation type radiant tube.
8. pyrolysis of coal according to claim 2 couples acetylene aromatic device, it is characterised in that adjacent two in every layer
Horizontal distance between the acetylene reaction pipe is separately 200-600mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721142529.2U CN207243812U (en) | 2017-09-06 | 2017-09-06 | Pyrolysis of coal couples acetylene aromatic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721142529.2U CN207243812U (en) | 2017-09-06 | 2017-09-06 | Pyrolysis of coal couples acetylene aromatic device |
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| Publication Number | Publication Date |
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| CN207243812U true CN207243812U (en) | 2018-04-17 |
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ID=61887419
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| CN201721142529.2U Expired - Fee Related CN207243812U (en) | 2017-09-06 | 2017-09-06 | Pyrolysis of coal couples acetylene aromatic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821495A (en) * | 2019-03-01 | 2019-05-31 | 清华大学 | The multi-stage reacting device and preparation method of hydrocarbon ethylene and/or acetylene |
-
2017
- 2017-09-06 CN CN201721142529.2U patent/CN207243812U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109821495A (en) * | 2019-03-01 | 2019-05-31 | 清华大学 | The multi-stage reacting device and preparation method of hydrocarbon ethylene and/or acetylene |
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