CN207987118U - A kind of uplink two-part gasification mechanism - Google Patents
A kind of uplink two-part gasification mechanism Download PDFInfo
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- CN207987118U CN207987118U CN201721506462.6U CN201721506462U CN207987118U CN 207987118 U CN207987118 U CN 207987118U CN 201721506462 U CN201721506462 U CN 201721506462U CN 207987118 U CN207987118 U CN 207987118U
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Abstract
The utility model is related to a kind of uplink two-part gasification mechanisms, including gasification furnace shell, the water-cooling wall with necking and cinder notch, Water-coal-slurry nozzle, fine coal, combined type igniting startup burner, water-coal-slurry slurring transport system, dry pulverized coal transport system and slag bath using industrial organic waste water slurrying；Dry pulverized coal enters one section of reative cell by multiple nozzle levels by transport system and gasifies, and necking of passing through in the high-temperature synthesis gas of generation accelerates and the water-coal-slurry sprayed into level comes into full contact with, and enters second-stage reaction room afterwards together；Make the industrial organic waste water in water-coal-slurry by the sensible heat rapid vaporization of high-temperature synthesis gas, organic pollution can also degrade at high temperature, make coal slurry that thermal cracking and partial gasification reaction occur simultaneously, improve total cold gas efficiency gas, the physics Quench that second-stage reaction room is utilized in this way greatly reduces the outlet temperature of synthesis gas with chemical Quench, to reduce the load of Quench gas volume and Quench compressor, energy consumption and cost are reduced；It is furthermore possible to effectively recycle industrial organic waste water, and combustion degradation processing is carried out to the organic pollution of waste water.
Description
Technical field
The utility model belongs to field of energy and chemical technology, and in particular to a kind of uplink two-part gasification mechanism.
Background technology
China is the country for main primary energy with coal, and there are still utilization ratios in coal utilization field
The problems such as low, pollution weighs.And the important directions that Coal Gasification Technology is then Coal Clean as clean coal technology and efficiently utilizes.Mesh
Before, as shell the and prenflo gasification furnaces that dry coal powder airflow bed gasification technology represents, using water wall structure, gasification furnace is only
There is first order reaction area to arrange that with gasifying agent gasification reaction occurs for multiple opposed burners, coal dust；To avoid follow-up equipment dust stratification, lead to
Often need extract a large amount of cooled coal gas of down-stream system (about 50%) come to high-temperature synthesis gas cool down so that Quench energy consumption of compressor and
It invests larger.
Organic pollution not will produce for entrained flow gasification technique, only a small amount of water containing solid waste itself.But
Other techniques during coal chemical industry will produce the organic pollutions such as various tar, phenol, naphthalene, phenanthrene, and these organic pollutions exist
Sewerage is difficult degradation, the organic waste-water treating apparatus for needing setting large-scale, and investment and operating cost are high.
Therefore, exploitation one kind can effectively reduce Quench tolerance and effectively recycle waste water, the gas of degradable organic pollutant
It is a very significant task that makeup, which is set,.
Utility model
Invention content
In order to solve the above-mentioned problems of the prior art, the utility model proposes a kind of uplink two-part gasifying machines
Structure, using industrial organic waste water come coal-grinding slurrying, and with dry pulverized coal by respective transport system the two of the same gasification furnace
Co-gasification in reative cell is held, is absorbed heat using the latent heat of vaporization of waste water and the gasification of coal slurry, is gone out reducing by one section to a greater extent
While mouth synthesis gas temperature, moreover it is possible to which combustion degradation organic pollution improves cold gas efficiency, reduces energy consumption and cost.Together
When, solve the problems such as organic wastewater pollution is big, difficult to degrade.
In order to achieve the above object, the utility model is achieved through the following technical solutions：
A kind of uplink two-part gasification mechanism, including outer wall top is provided with syngas outlet 12 and bottom is provided with pulp water
The gasification furnace shell 1 of outlet 11 is equipped with the water-cooling wall 2 with necking 7 and cinder notch 8 in gasification furnace shell 1, inside water-cooling wall 2 under
It is supreme to be followed successively by one section of reative cell I, second-stage reaction room II and reversed room III, a combined type ignition switch burner 5 and multiple coals
Powder burner 4 is arranged in one section of I middle part of reative cell in the horizontal direction, and multiple Water-coal-slurry nozzles 3 are arranged in two sections instead in the horizontal direction
At the necking 7 for answering II lower part of room, 8 bottom of cinder notch is equipped with the slag bath 6 with Quench water inlet 9 and chilling ring 10；It further include dry pulverized coal
Transport system and water-coal-slurry slurring transport system, dry pulverized coal transport system include sequentially connected normal pressure storehouse 16, lock hopper 17 and to
Feed bin 18, feed hopper 18 are connected with coal dust burner 4；Water-coal-slurry slurring transport system includes sequentially connected coal pulverizer 13, coal slurry
Slot 14 and coal slurry pump 15, coal slurry pump 15 are connected with multiple Water-coal-slurry nozzles 3.
When described device works, gas occurs in one section of reative cell I of burner hearth and second-stage reaction room II for coal dust and water-coal-slurry
Change reaction, the mass fraction that water-coal-slurry accounts for combined feed is 0~10%；Synthesis gas is reversely gone down from syngas outlet 12 using uplink
Trip, 0.5~5Mpa of vapor pressure；The temperature of one section of reative cell I is 1400 DEG C~1800 DEG C, and the temperature of second-stage reaction room II is
1000~1500 DEG C；The mechanism that gasifies uses slag tap mode, gasification stove outer covering 1 to bear vapor pressure as pressure vessel.
The water-cooling wall 2 uses coil pipe or tubulation structure, 2 inner wall of water-cooling wall to apply refractory material.
The quantity of the fine coal burner 4 is 2~8, and use is horizontally-opposed, or when the quantity of fine coal burner 4 is more than 3
When, it is arranged using the circle of contact, it is 0~9 ° that 4 center line of fine coal burner deviates angle α with the mechanism diameter that gasifies.
The charging of fine coal burner 4 includes gasified raw material and oxidant.Gasified raw material is coal, coke, semicoke and stone
Powder made of one or more in oil, oxidant be pure oxygen, oxygen-enriched, pure oxygen or it is oxygen-enriched with water vapour or carbon dioxide it is mixed
Close object.
The combined type ignition switch burner 5 is arranged horizontally in one section of reative cell, I middle part, and 4 coplanar horizontal of fine coal burner,
Angle β between combined type ignition switch burner 5 and fine coal burner 4 is 22.5~90 °；Combined type ignition switch burner 5 is fed
Including fuel and the oxidant of going into operation of lighting a fire, igniting goes into operation fuel for liquefied petroleum gas, natural gas or diesel oil, and oxidant is that instrument is empty
Gas or oxygen.
The quantity of the Water-coal-slurry nozzle 3 is 2~4, and use is horizontally-opposed.
The charging of the Water-coal-slurry nozzle 3 is water-coal-slurry, and water-coal-slurry slurring process water is industrial organic waste water, water-coal-slurry matter
Measure a concentration of 50~70%；II coal input quantity of second-stage reaction room accounts for the 5~15% of total feed.
Chilled water sprays into slag bath 6 through chilling ring 10, and Quench is carried out to the high-temperature liquid state slag under 8 wall flow of cinder notch.
Compared to the prior art compared with the utility model has following advantage：
The utility model by dried coal powder and the water-coal-slurry containing industrial organic waste water water-cooling wall 2 form one, second-stage reaction
With gasifying medium gasification reaction altogether occurs for room.The physics Quench and chemical Quench that second-stage reaction area is utilized can substantially reduce conjunction
At the temperature of gas, is conducive to the load for reducing Quench gas volume and Quench compressor, reduces cost, improve cold gas efficiency.
Industrial organic waste water can be effectively recycled simultaneously, and degradation treatment is carried out to debirs.Using water wisely avoids
The secondary pollution of organic matter, flow are simple, and energy consumption and cost of investment are low.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the partial schematic diagram of the utility model.
Specific implementation mode
Below in conjunction with the accompanying drawings, the utility model is further described.Skilled in the art realises that following the description is not
It is the limitation to scope of protection of the utility model.Any improvement made on the basis of the utility model and variation are all in this practicality
Within novel protection domain.
The mechanism as shown in Figure 1, a kind of uplink two-part of the utility model gasifies, including outer wall top are provided with synthesis gas and go out
Mouth 12 and bottom are provided with the gasification furnace shell 1 of pulp water outlet 11, and the water cooling with necking 7 and cinder notch 8 is equipped in gasification furnace shell 1
Wall 2 is followed successively by one section of reative cell I, second-stage reaction room II and reversed room III, a combined type point inside water-cooling wall 2 from the bottom to top
Fire switch burner 5 and multiple coal dust burners 4 are arranged in one section of I middle part of reative cell in the horizontal direction, and multiple Water-coal-slurry nozzles 3 are along water
Square to being arranged at the necking 7 of II lower part of second-stage reaction room, 8 bottom of cinder notch is equipped with Quench water inlet 9 and chilling ring 10
Slag bath 6；Further include dry pulverized coal transport system and water-coal-slurry slurring transport system, dry pulverized coal transport system includes sequentially connected normal
Pressure storehouse 16, lock hopper 17 and feed hopper 18, feed hopper 18 are connected with coal dust burner 4；Water-coal-slurry slurring transport system includes connecting successively
Coal pulverizer 13, coal slurry slot 14 and the coal slurry pump 15 connect, coal slurry pump 15 are connected with multiple Water-coal-slurry nozzles 3.
When described device works, gas occurs in one section of reative cell I of burner hearth and second-stage reaction room II for coal dust and water-coal-slurry
Change reaction, the mass fraction that water-coal-slurry accounts for combined feed is 0~10%；Synthesis gas is reversely gone down from syngas outlet 12 using uplink
Trip, 0.5~5Mpa of vapor pressure；The temperature of one section of reative cell I is 1400 DEG C~1800 DEG C, and the temperature of second-stage reaction room II is
1000~1500 DEG C；The mechanism that gasifies uses slag tap mode, gasification stove outer covering 1 to bear vapor pressure as pressure vessel.
The water-cooling wall 2 uses coil pipe or tubulation structure, 2 inner wall of water-cooling wall to apply refractory material.
The quantity of the fine coal burner 4 is 2~8, and use is horizontally-opposed, or when the quantity of fine coal burner 4 is more than 3
When, it is arranged using the circle of contact, it is 0~9 ° that 4 center line of fine coal burner deviates angle α with the mechanism diameter that gasifies, and refers to Fig. 2.
The charging of fine coal burner 4 includes gasified raw material and oxidant.Gasified raw material is coal, coke, semicoke and stone
One or more manufactured powder in oil, oxidant are pure oxygen, oxygen-enriched or pure oxygen or oxygen-enriched and water vapour or carbon dioxide
Mixture.
The combined type ignition switch burner 5 is arranged horizontally in one section of reative cell, I middle part, and 4 coplanar horizontal of fine coal burner,
Angle β between combined type ignition switch burner 5 and fine coal burner 4 is 22.5~90 °, refers to Fig. 2；Combined type ignition switch is burnt
The charging of mouth 5 includes that igniting goes into operation fuel and oxidant, and igniting goes into operation fuel for liquefied petroleum gas, natural gas or diesel oil, oxidant
For instrument air or oxygen.
The quantity of the Water-coal-slurry nozzle 3 is 2~4, and use is horizontally-opposed.
The charging of the Water-coal-slurry nozzle 3 is water-coal-slurry, and water-coal-slurry slurring process water is industrial organic waste water, water-coal-slurry matter
Measure a concentration of 50~70%；II coal input quantity of second-stage reaction room accounts for the 5~15% of total feed.
The slag bath 6 is provided with Quench water inlet 9 and chilling ring 10, and chilled water sprays into slag bath 6 through chilling ring 10, to edge
High-temperature liquid state slag under 8 wall flow of cinder notch carries out Quench.
The operation principle of the utility model
Dried coal powder and water-coal-slurry water-cooling wall 2 form one, second-stage reaction room be total to gasification reaction with gasifying medium generation.It is more
A fine coal burner 4 is horizontally disposed, it is ensured that fine coal has longer stop reaction time and strength of turbulence in one section of reaction zone, makes
Pulverized coal particle is fully reacted, and necking 7 of passing through in the high-temperature synthesis gas of generation accelerates and the water-coal-slurry sprayed into level is abundant
Contact enters second-stage reaction room afterwards together.At this point, the industrial organic waste water in water-coal-slurry is by the rapid vapour of the sensible heat of high-temperature synthesis gas
Change, organic pollution can also degrade under high temperature (~1200 DEG C), while make coal slurry that thermal cracking and partial gasification reaction occur, and carry
High total cold gas efficiency gas, is utilized the chemical reaction of second-stage reaction room in this way, so that furnace high-temperature gas temperature is reduced same
When so that the available energy of coal gas is improved, to eliminate huge gas compression pump, gas cooler and deduster equipment rule
Mould reduces half, and equipment manufacturing cost can reduce by 40%~50%.Therefore, the physics Quench of second-stage reaction room and chemical Quench can be big
The big temperature for reducing synthesis gas, moreover it is possible to effectively recycle industrial organic waste water, and degradation treatment is carried out to debirs.
Claims (8)
- The mechanism 1. a kind of uplink two-part gasifies, it is characterised in that：Outer wall top is provided with syngas outlet (12) and bottom Portion is provided with the gasification furnace shell (1) of pulp water outlet (11), and the water with necking (7) and cinder notch (8) is equipped in gasification furnace shell (1) Cold wall (2), water-cooling wall (2) is internal to be followed successively by one section of reative cell (I), second-stage reaction room (II) and reversed room (III) from the bottom to top, One combined type ignition switch burner (5) and multiple coal dust burners (4) are arranged in the horizontal direction in the middle part of one section of reative cell (I), Multiple Water-coal-slurry nozzles (3) are arranged in the horizontal direction at the necking (7) of second-stage reaction room (II) lower part, and cinder notch (8) bottom is set There is the slag bath (6) with Quench water inlet (9) and chilling ring (10)；Further include dry pulverized coal transport system and water-coal-slurry slurring delivery system System, dry pulverized coal transport system include sequentially connected normal pressure storehouse (16), lock hopper (17) and feed hopper (18), feed hopper (18) and coal Powder burner (4) is connected；Water-coal-slurry slurring transport system includes sequentially connected coal pulverizer (13), coal slurry slot (14) and coal slurry pump (15), coal slurry pump (15) is connected with multiple Water-coal-slurry nozzles (3).
- The mechanism 2. a kind of uplink two-part according to claim 1 gasifies, it is characterised in that：Coal dust and water-coal-slurry are in burner hearth One section of reative cell I and second-stage reaction room II in occur gasification reaction, water-coal-slurry account for combined feed mass fraction be 0~10%； Synthesis gas reversely removes downstream, 0.5~5Mpa of vapor pressure using uplink from syngas outlet (12)；The temperature of one section of reative cell (I) Degree is 1400 DEG C~1800 DEG C, and the temperature of second-stage reaction room (II) is 1000~1500 DEG C；The mechanism that gasifies uses slag tap side Formula, gasification stove outer covering (1) bear vapor pressure as pressure vessel.
- The mechanism 3. a kind of uplink two-part according to claim 1 gasifies, it is characterised in that：The water-cooling wall (2) uses Coil pipe or tubulation structure, water-cooling wall (2) inner wall apply refractory material.
- The mechanism 4. a kind of uplink two-part according to claim 1 gasifies, it is characterised in that：The coal dust burner (4) Quantity is 2~8, and use is horizontally-opposed, or when the quantity of coal dust burner (4) is more than 3, is arranged using the circle of contact, and coal dust is burnt It is 0~9 ° that mouth (4) center line deviates angle α with the mechanism diameter that gasifies.
- The mechanism 5. a kind of uplink two-part according to claim 1 gasifies, it is characterised in that：The coal dust burner (4) Charging includes gasified raw material and oxidant.
- The mechanism 6. a kind of uplink two-part according to claim 1 gasifies, it is characterised in that：The combined type ignition switch Burner (5) is arranged horizontally in one section of I middle part of reative cell, with fine coal burner (4) coplanar horizontal, combined type ignition switch burner (5) Angle β between fine coal burner (4) is 22.5~90 °；Combined type ignition switch burner (5) charging includes the fuel that goes into operation of lighting a fire And oxidant, igniting go into operation fuel for liquefied petroleum gas, natural gas or diesel oil, oxidant is instrument air or oxygen.
- The mechanism 7. a kind of uplink two-part according to claim 1 gasifies, it is characterised in that：The Water-coal-slurry nozzle (3) Quantity be 2~4, use is horizontally-opposed.
- The mechanism 8. a kind of uplink two-part according to claim 1 gasifies, it is characterised in that：The Water-coal-slurry nozzle (3) Charging is water-coal-slurry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721506462.6U CN207987118U (en) | 2017-11-13 | 2017-11-13 | A kind of uplink two-part gasification mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721506462.6U CN207987118U (en) | 2017-11-13 | 2017-11-13 | A kind of uplink two-part gasification mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641530A (en) * | 2017-11-13 | 2018-01-30 | 中国华能集团清洁能源技术研究院有限公司 | A kind of up two-part gasification installation |
| CN112961704A (en) * | 2021-02-04 | 2021-06-15 | 中国华能集团清洁能源技术研究院有限公司 | Coal gasification cracking gasification furnace |
| CN116216641A (en) * | 2023-05-06 | 2023-06-06 | 浙江百能科技有限公司 | System and method for preparing hydrogen by using waste water in grading manner through high-temperature catalytic coal |
-
2017
- 2017-11-13 CN CN201721506462.6U patent/CN207987118U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107641530A (en) * | 2017-11-13 | 2018-01-30 | 中国华能集团清洁能源技术研究院有限公司 | A kind of up two-part gasification installation |
| CN112961704A (en) * | 2021-02-04 | 2021-06-15 | 中国华能集团清洁能源技术研究院有限公司 | Coal gasification cracking gasification furnace |
| CN116216641A (en) * | 2023-05-06 | 2023-06-06 | 浙江百能科技有限公司 | System and method for preparing hydrogen by using waste water in grading manner through high-temperature catalytic coal |
| CN116216641B (en) * | 2023-05-06 | 2023-08-11 | 浙江百能科技有限公司 | System and method for preparing hydrogen by using waste water in grading manner through high-temperature catalytic coal |
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