CN207159159U - A kind of hydrogasification stove with semicoke refrigerated separation function - Google Patents
A kind of hydrogasification stove with semicoke refrigerated separation function Download PDFInfo
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- CN207159159U CN207159159U CN201721157546.3U CN201721157546U CN207159159U CN 207159159 U CN207159159 U CN 207159159U CN 201721157546 U CN201721157546 U CN 201721157546U CN 207159159 U CN207159159 U CN 207159159U
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- semicoke
- outer barrel
- inner cylinder
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- quench
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Abstract
The utility model discloses a kind of hydrogasification stove with semicoke refrigerated separation function, it is related to coal chemical industry equipment technical field.The hydrogasification stove, by the inner cylinder that upper and lower opening is set in the inside of outer barrel, and inner cylinder is set gradually from top to bottom for wide path, undergauge section, narrow footpath section and extension diameter section, and it is symmetrical arranged multiple Quench nozzles ring week in the side wall of outer barrel, and Quench nozzle is installed obliquely, not only realize cooling in gasification furnace bottom semicoke, without using semicoke cooling bed, it is difficult to avoid the Stress control in course of conveying, phenomena such as collaborating, and realize the gas solid separation of semicoke and synthesis gas, reduce and carry semicoke in synthesis gas secretly, reduce the heat-energy losses that entrainment carries, generally effectively reduce consumption when heat energy needed for gasification reaction provides thing hydrogen and oxygen combustion.
Description
Technical field
It the utility model is related to coal chemical industry equipment technical field, more particularly to a kind of adding with semicoke refrigerated separation function
Hydrogen gasification furnace.
Background technology
Hydrogasification refers to that carbon compound and hydrogen are anti-under the conditions of medium temperature (700-1000 DEG C) and high pressure (5-10MPa)
Should, the process of raw gas of the generation rich in methane, high added value aromatic hydrocarbons oil product and high heating value semicoke.The high temperature of hydrogasification generation
Semicoke product needs cooling down, is sent outside after energy recovery processing.
At present, gasification furnace does not have semicoke Cooling Design in itself, and semicoke cooling is not carried out in gasification furnace, is to pass through gas
Semicoke is sent to semicoke cooling bed and cooled down by change stove conveyance conduit, and conveyance conduit uses refractory liner structure, is needed simultaneously
Pressure difference control is adjusted to gasification furnace and semicoke cooling bed by rear system.
But control extremely difficult, gasification furnace and semicoke stream for the pressure difference between gasification furnace and semicoke cooling bed
The risk collaborated be present between change bed cooler；And semicoke cooling bed is carried out using fluidized gas and water cooling heat exchanger tube to semicoke
Cooling, a large amount of semicoke heat energy can not recycle, and heat-energy losses are larger, while the risk of the damaged leakage of heat exchanger tube be present；In addition,
Using existing hydrogasification device, the gas-solid separating effect of gasification product synthesis gas and semicoke in gasification furnace reative cell is poor,
Substantial amounts of semicoke product is often entrained with synthesis gas.
Utility model content
The purpose of this utility model is to provide a kind of hydrogasification stove with semicoke refrigerated separation function, so as to solve
Foregoing problems present in prior art.
To achieve these goals, the technical solution adopted in the utility model is as follows：
A kind of hydrogasification stove with semicoke refrigerated separation function, including：Outer barrel, thing is provided with the top of the outer barrel
Expect nozzle, the inner cylinder for being internally provided with upper and lower opening of the outer barrel, the inner cylinder is located at the middle and lower part of the outer barrel；
Space is provided between the outer barrel and the inner cylinder, syngas outlet, institute are provided with the side wall of the outer barrel
State syngas outlet to connect with the space, the outer of the upper port of the inner cylinder is arranged in the side wall of the outer barrel, described
The lower port of inner cylinder connects with the space；
The inner cylinder is followed successively by wide path, undergauge section, narrow footpath section and extension diameter section from top to bottom；
It is symmetrical arranged multiple Quench nozzles in the side wall of the outer barrel ring week, the Quench nozzle is installed obliquely, and institute
The jet for stating Quench nozzle is close to the lower section setting of the extension diameter section.
Preferably, the Quench nozzle is installed with downward 45 ° of angle.
Preferably, itself spray angle of each Quench nozzle is 30 °.
Preferably, the Quench nozzle is arranged to 8-16.
Preferably, the shock chilling medium used in the Quench nozzle is coal dust.
Preferably, the spatial altitude below the extension diameter section accounts for the 2/5 of gasification furnace total height.
The beneficial effects of the utility model are：One kind that the utility model embodiment provides has semicoke refrigerated separation function
Hydrogasification stove, by setting the inner cylinder of upper and lower opening in the inside of outer barrel, and inner cylinder is set gradually as width from top to bottom
Footpath section, undergauge section, narrow footpath section and extension diameter section, and it is symmetrical arranged multiple Quench nozzles ring week in the side wall of outer barrel, and Quench is sprayed
Mouth is installed obliquely, is not only realized cooling in gasification furnace bottom semicoke, without using semicoke cooling bed, is avoided
Stress control is difficult in course of conveying, phenomena such as collaborating, and realizes the gas solid separation of semicoke and synthesis gas, subtracts
Lack and carried semicoke in synthesis gas secretly, reduced the heat-energy losses that entrainment carries, generally effectively reduced hot needed for gasification reaction
Consumption when thing hydrogen and oxygen combustion can be provided.
Brief description of the drawings
Fig. 1 is the structural representation for the hydrogasification stove that this practicality newly provides；
Fig. 2 is the arrangement schematic diagram of Quench nozzle.
In figure, the implication of each symbol is as follows：
1 outer barrel, 2 substance nozzles, 3 inner cylinders, 4 syngas outlets, 5 wide paths, 6 undergauge sections, 7 narrow footpath sections, 8 extension diameter sections, 9 swash
Cold nozzle, 10 coke discharging mouths, 11 heat exchanging segments.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing, to this reality
It is further elaborated with new.It should be appreciated that embodiment described herein is only explaining this practicality
It is new, it is not used to limit the utility model.
As shown in Figure 1-2, the utility model embodiment provides a kind of hydrogasification with semicoke refrigerated separation function
Stove, including：Outer barrel 1, the top of outer barrel 1 are provided with substance nozzle 2, and the inner cylinder 3 for being internally provided with upper and lower opening of outer barrel 1 is interior
Cylinder 3 is located at the middle and lower part of outer barrel 1；
Space is provided between outer barrel 1 and inner cylinder 3, syngas outlet 4, syngas outlet 4 are provided with the side wall of outer barrel 1
Connected with the space, the outer of the upper port of inner cylinder 3 is arranged in the side wall of outer barrel 1, the lower port of inner cylinder 3 and the space
Connection；
Inner cylinder 3 is followed successively by wide path 5, undergauge section 6, narrow footpath section 7 and extension diameter section 8 from top to bottom；
It is symmetrical arranged multiple Quench nozzles 9 in the side wall of outer barrel 1 ring week, Quench nozzle 9 is installed obliquely, and Quench nozzle
The lower section that 9 jet is close to extension diameter section 8 is set.
In said structure, due to being symmetrical arranged multiple Quench nozzles in the side wall of outer barrel ring week, and Quench nozzle is obliquely
Installation, so, when having shock chilling medium to be ejected into outer barrel in multiple Quench nozzles, the atomization screen of back taper will be formed
Barrier.
The gasification furnace of said structure, its operation principle are：
Hydrogen and oxygen and coal dust enter gasification furnace from the substance nozzle on outer barrel top, and the wide path on inner cylinder top carries out anti-
Should, generate high-temperature synthesis gas and semicoke product, high-temperature synthesis gas and semicoke product are passed through from the wide path of inner cylinder by undergauge section
Narrow footpath section and expand through section enter outer barrel bottom, expand the lower section through section, semicoke product with from be arranged in ring week multiple Quench
The taper barrier that the coal dust that is sprayed in nozzle is formed exchanges heat, after the heat of semicoke deviates from the fugitive constituent in coal dust, entrance
Top wide path continues reaction generation methane with hydrogen, and the semicoke after heat exchange reaches the row that the requirement sent outside is set from outer barrel bottom
Jiao Kou is discharged, and synthesis gas reaches syngas outlet, gone out from synthesis gas from expanding through entering the space between inner cylinder and outer barrel below section
Mouth discharge.
In said structure, by being arranged in the taper barrier of the coal dust sprayed in multiple Quench nozzles in ring week formation,
Heat exchange reaction occurs with semicoke, not only realizes cooling for semicoke, its temperature is reached the requirement sent outside, without using
Semicoke cooling bed, and the semicoke product of high temperature is transported in semicoke cooling bed by control pressure, avoid pressure
Power control is difficult, phenomena such as collaborating；The shock chilling medium in this process, used is additionally, since as coal dust, rather than it is cold
Water, so that the heat in semicoke has obtained effective recycling.
In addition, by, through setting narrow footpath section between (heat exchanging segment) below section, not only increasing in wide path (conversion zone) and expansion
The space of conversion zone and reaction residence time, while the structure of enlarging again after necking, can add semicoke and synthesis gas
Diffused after speed, play a part of gas-solid (semicoke and synthesis gas) separation, therefore, the progress that said structure not only improves reaction has again
Beneficial to gas solid separation, reduce and carry semicoke in synthesis gas secretly, reduce entrainment and carry heat-energy losses.
Therefore, using the present embodiment provide hydrogasification stove, while cooling by coal dust to semicoke coal dust by
Hot devolatilization, both are mixed into the process of low temperature semicoke, and course of reaction is carried out inside gasification furnace, and reaction is gentle, operation letter
Single, heat energy is utilized effectively.Gas solid separation time length in gasification furnace simultaneously, separating effect is preferable, and synthesis gas is sent in reduction outside
Carry material secretly, reduce heat-energy losses.It generally can effectively reduce heat energy needed for gasification reaction and thing hydrogen and oxygen combustion are provided
When consumption.
In the present embodiment, Quench nozzle 9 is installed with downward 45 ° of angle.
Consider that small nozzle itself has certain spray angle, if being horizontally mounted, then some coal dust meeting
It is sprayed onto upwards on the outside of enlarging (synthesis gas side), in the present embodiment, selects 45° angle to install downwards, it is ensured that to be integrally formed downwards
Taper barrier so that the abundant contact heat-exchanging of semicoke that coal dust can get off with top.
In the present embodiment, itself spray angle of each Quench nozzle 8 is 30 °.
According to current industrial atomizer requirement, nozzle angle is preferable in 30 ° of atomizing effects, while considers depositing for its angle
It can just play a part of covering space, if small nozzle does not have angle, taper barrier cannot be formed in gasification furnace.
In the present embodiment, Quench nozzle 9 is arranged to 8-16.
According to the difference of gasification furnace size, Quench nozzle can set 8-16, such as 8,12,16, such as ability
No matter field technique personnel according to the Quench nozzle of actual conditions setting other quantity it should be understood that still, can also set several
It is individual, be required for being evenly distributed on the ring week of gasification furnace, while can longitudinally covered formation interface, reduce ring Zhou Wei as far as possible and cover
Lid space.
In the present embodiment, the shock chilling medium used in Quench nozzle 9 is coal dust and hydrogen.
Using coal dust by the use of hydrogen as conveying gas, coal dust and hydrogen after Quench nozzle atomization by being ejected into gasification furnace
In, and taper barrier is formed, after the semicoke that gasification furnace top is come runs into the taper barrier, mixed heat transfer is carried out with it, semicoke
Cracking reaction occurs for the coal dust that heat energy is sparged into, and devolatilization and hydrogen return to gasification furnace top and continues heating generation hydrogasification
Reaction, generates required synthesis gas, so, coal dust and hydrogen are used as shock chilling medium, can effectively reclaim semicoke heat energy, and
In heat transfer process, semicoke is set to reach the temperature that can be arranged outside.
In the present embodiment, spatial altitude of the extension diameter section below 8 accounts for the 2/5 of gasification furnace total height.
Due to the space below extension diameter section, there occurs heat exchange between semicoke and coal ash, turn into heat exchanging segment, so, this
In embodiment, using above-mentioned height ratio, it is ensured that heat exchanging segment has enough spaces, so as to it is abundant to exchange heat, with
And ensure that the bottom of heat exchanging segment can store a certain amount of semicoke, if allowed, the ratio, heat transfer effect can also be increased
Can more preferably.
By using above-mentioned technical proposal disclosed in the utility model, following beneficial effect has been obtained：The utility model
A kind of hydrogasification stove with semicoke refrigerated separation function that embodiment provides, by setting upper and lower opening in the inside of outer barrel
Inner cylinder, and inner cylinder set gradually from top to bottom for wide path, undergauge section, narrow footpath section and extension diameter section, and in the side wall of outer barrel
Upper ring week is symmetrical arranged multiple Quench nozzles, and Quench nozzle is installed obliquely, not only realizes in gasification furnace bottom semicoke
Cool, without using semicoke cooling bed, avoid in course of conveying that Stress control is difficult, occur collaborating etc. existing
As, and the gas solid separation of semicoke and synthesis gas is realized, reduce and carry semicoke in synthesis gas secretly, reduce the heat that entrainment carries
The loss of energy, generally effectively reduce consumption when heat energy needed for gasification reaction provides thing hydrogen and oxygen combustion.
Described above is only preferred embodiment of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and
Retouching should also regard the scope of protection of the utility model.
Claims (6)
- A kind of 1. hydrogasification stove with semicoke refrigerated separation function, it is characterised in that including：Outer barrel, the top of the outer barrel Portion is provided with substance nozzle, the inner cylinder for being internally provided with upper and lower opening of the outer barrel, and the inner cylinder is located in the outer barrel Bottom；Space is provided between the outer barrel and the inner cylinder, syngas outlet, the conjunction are provided with the side wall of the outer barrel Export into gas and connected with the space, the outer of the upper port of the inner cylinder is arranged in the side wall of the outer barrel, the inner cylinder Lower port connected with the space；The inner cylinder is followed successively by wide path, undergauge section, narrow footpath section and extension diameter section from top to bottom；It is symmetrical arranged multiple Quench nozzles in the side wall of the outer barrel ring week, the Quench nozzle is installed obliquely, and described sharp The lower section that the jet of cold nozzle is close to the extension diameter section is set.
- 2. the hydrogasification stove according to claim 1 with semicoke refrigerated separation function, it is characterised in that the Quench Nozzle is installed with downward 45 ° of angle.
- 3. the hydrogasification stove according to claim 1 with semicoke refrigerated separation function, it is characterised in that each described Itself spray angle of Quench nozzle is 30 °.
- 4. the hydrogasification stove according to claim 1 with semicoke refrigerated separation function, it is characterised in that the Quench Nozzle is arranged to 8-16.
- 5. the hydrogasification stove according to claim 1 with semicoke refrigerated separation function, it is characterised in that the Quench The shock chilling medium used in nozzle is coal dust.
- 6. the hydrogasification stove according to claim 1 with semicoke refrigerated separation function, it is characterised in that described expanding Spatial altitude below section accounts for the 2/5 of gasification furnace total height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157546.3U CN207159159U (en) | 2017-09-11 | 2017-09-11 | A kind of hydrogasification stove with semicoke refrigerated separation function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721157546.3U CN207159159U (en) | 2017-09-11 | 2017-09-11 | A kind of hydrogasification stove with semicoke refrigerated separation function |
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| Publication Number | Publication Date |
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| CN207159159U true CN207159159U (en) | 2018-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721157546.3U Active CN207159159U (en) | 2017-09-11 | 2017-09-11 | A kind of hydrogasification stove with semicoke refrigerated separation function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110835553A (en) * | 2019-11-05 | 2020-02-25 | 新奥科技发展有限公司 | Hydro-gasification process |
| CN112705123A (en) * | 2019-10-25 | 2021-04-27 | 中国石油化工股份有限公司 | Hydrogenation reactor and hydrogenation method |
-
2017
- 2017-09-11 CN CN201721157546.3U patent/CN207159159U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112705123A (en) * | 2019-10-25 | 2021-04-27 | 中国石油化工股份有限公司 | Hydrogenation reactor and hydrogenation method |
| CN112705123B (en) * | 2019-10-25 | 2022-10-11 | 中国石油化工股份有限公司 | Hydrogenation reactor and hydrogenation method |
| CN110835553A (en) * | 2019-11-05 | 2020-02-25 | 新奥科技发展有限公司 | Hydro-gasification process |
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