CN207330863U - A kind of new entrained flow gasification furnace system - Google Patents
A kind of new entrained flow gasification furnace system Download PDFInfo
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- CN207330863U CN207330863U CN201720952972.XU CN201720952972U CN207330863U CN 207330863 U CN207330863 U CN 207330863U CN 201720952972 U CN201720952972 U CN 201720952972U CN 207330863 U CN207330863 U CN 207330863U
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- gasification furnace
- gas
- entrained flow
- pipeline
- output terminal
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Abstract
The utility model discloses a kind of new entrained flow gasification furnace system, including gasification furnace, chill zone, gas solid separation system, gas purification piece-rate system, slag treatment system, gasification furnace input terminal connects pulverized coal channel, oxygen channel, gasifying agent pipeline, the output terminal connection chill zone of gasification furnace bottom, chill zone output terminal connects gas solid separation system by high-temperature pipe, gas solid separation system output connects gas purification piece-rate system respectively, slag treatment system, gas purification piece-rate system output terminal connects decontaminating syngas pipeline and tar by-product pipeline, slag treatment system output terminal connection residue sends pipeline outside.The utility model is simplified the function of gasification furnace, is only included gasification reaction area and chill zone, is greatly reduced the height and overall volume of gasification furnace.The heat waste of gasification furnace can be reduced, improves the treating capacity of gasification furnace, and medium temperature condition can obtain the volatile matter that economic value is higher in coal dust, reach the cascade utilization of coal dust.
Description
Technical field
It the utility model is related to technical field, more particularly to a kind of new entrained flow gasification furnace system.
Background technology
With the rapid development of economy, country is also sharply increasing the demand of the energy.It is rich in coal and poor in oil for China
Current resources situation, country propose the new requirement for there be not utilization of resources technology of exploitation, a collection of new coal occur under instructing herein
Gasification technology, particularly develops multiple air flow bed powder coal gasification furnace.Current air flow bed powder coal gasification furnace more be divided into reaction zone,
The multiple regions such as chill zone, gas solid separation area, and gasification furnace is mostly press operation condition in high temperature, these cause the body of gasification furnace
Product is larger, and whole thermal load and heat waste are larger, and treating capacity can not improve.It is single that the operating condition of high temperature, which causes coal gasification product,
Gaseous product, can not realize the efficient cascade utilization of coal dust.
Utility model content
In view of the drawbacks described above of the prior art, technical problem to be solved in the utility model is to provide a kind of new
Entrained flow gasification furnace system, the function of gasification furnace is simplified, and is only included gasification reaction area and chill zone, is greatly reduced gas
Change the height and overall volume of stove, improve the thermal efficiency of gasification furnace, reduce gasification furnace equipment investment and manufacture difficulty.At the same time
It is medium temperature condition of high voltage that the gasification process, which selects gasification temperature, can reduce the heat waste of gasification furnace, while can improve gasification furnace
Treating capacity, and medium temperature condition can obtain the volatile matter that economic value is higher in coal dust, reach the cascade utilization of coal dust.
To achieve the above object, the utility model provides a kind of new entrained flow gasification furnace system, including gasification furnace,
Chill zone, gas solid separation system, gas purification piece-rate system, slag treatment system, the gasification furnace input terminal connect coal pipe
Road, oxygen channel, gasifying agent pipeline, the output terminal connection chill zone of the gasification furnace bottom, the chill zone output terminal pass through
High-temperature pipe connects gas solid separation system, and the gas solid separation system output connects gas purification piece-rate system, residue respectively
Processing system, the gas purification piece-rate system output terminal connection decontaminating syngas pipeline and tar by-product pipeline, the residue
Processing system output terminal connection residue sends pipeline outside.
Preferably, it is gasification reaction area inside the gasification furnace.
Preferably, the gasification furnace lower part sets Quench gas jets.
Preferably, the Quench gas jets are multiple, and Quench gas jets tilt down angle [alpha] as 135~170 °, horizontal
Angle of inclination beta is 5~25 °.
Preferably, coal dust discharge pressure is more than 7.5MPaG, 40~100 DEG C of coal dust temperature, Pulverized Coal in the pulverized coal channel
Spend average grain diameter and be less than 100 μm.
Preferably, oxygen pressure is more than 7.5MPaG in the oxygen channel.
Preferably, gasifying agent pressure is more than 7.2MPaG in the gasifying agent pipeline, and gasification agent temperature should be higher than that 200 DEG C, institute
It can be high steam, hydrogen, hydrogen-rich gas, synthesis gas, flue gas or two or more gaseous mixtures to state gasifying agent.
Preferably, the reaction temperature of the gasification furnace is 700~1000 DEG C, and reaction pressure is 4.5~7.2MPaG.
Preferably, the chill zone uses conical outlet.
Preferably, the Quench thing in the chill zone can be water, vapor, synthesis gas, carbon dioxide or two or more
Mixture.
The beneficial effects of the utility model are：
The utility model is simplified the function of gasification furnace, is only included gasification reaction area and chill zone, is greatly reduced
The height and overall volume of gasification furnace, improve the thermal efficiency of gasification furnace, reduce gasification furnace equipment investment and manufacture difficulty.Together
When the gasification process select gasification temperature be medium temperature condition of high voltage, the heat waste of gasification furnace can be reduced, while gasification can be improved
The treating capacity of stove, and medium temperature condition can obtain the volatile matter that economic value is higher in coal dust, reach the cascade utilization of coal dust.
Make furtherly below with reference to the technique effect of design of the attached drawing to the utility model, concrete structure and generation
It is bright, to be fully understood from the purpose of this utility model, feature and effect.
Brief description of the drawings
Fig. 1 is the topology layout schematic diagram of the utility model.
Fig. 2 is the Quench gas blowout mouth structure and schematic layout pattern of the utility model.
Embodiment
As shown in Figure 1, a kind of new entrained flow gasification furnace system, including gasification furnace 04, chill zone 06, gas solid separation system
System 09, gas purification piece-rate system 10, slag treatment system 13,04 input terminal of the gasification furnace connection pulverized coal channel 01, oxygen
Pipeline 02, gasifying agent pipeline 03, the output terminal connection chill zone 06 of 04 bottom of gasification furnace, 06 output terminal of chill zone lead to
Cross high-temperature pipe 08 and connect gas solid separation system 09,09 output terminal of gas solid separation system connects gas purification segregative line respectively
System 10, slag treatment system 13,10 output terminal of the gas purification piece-rate system connection decontaminating syngas pipeline 11 and tar pair
Pipeline 12 is produced, 13 output terminal of the slag treatment system connection residue sends pipeline 14 outside.
High pressure coal dust from coal powder conveying system, the oxygen from oxygen supply system pass through special with high pressure gas agent
Gasification nozzle enter gasification furnace 04.High pressure coal dust discharge pressure is more than 7.5MPaG, 40~100 DEG C of coal dust temperature, and preferably 80
DEG C, granularity average grain diameter is less than 100 μm.Oxygen process system pressure is more than 7.5MPaG；Gasifying agent pressure is more than 7.2MPaG, gas
Agent temperature is higher than 200 DEG C, and gasifying agent can be high steam, hydrogen, hydrogen-rich gas, synthesis gas, flue gas or two or more mixed
Close gas, preferably hydrogen and hydrogen-rich gas.
After three kinds of mixtures enter gasification furnace 04, in the progress of gasification reaction area 05 hybrid reaction, reaction process, by moment
Heating, discharges volatile matter in coal dust, and the reaction was continued for the carbon residue in remaining coal dust and part volatile matter and gasifying agent or oxidant
Release heat.
Synthesis gas after reaction carries the chill zone 06 that unreacted solid residue enters 04 bottom of gasification furnace secretly, in chill zone
06 top cools down the mixture after reaction equipped with multichannel Quench gas jets 07, and reaction process is stopped.Gasification furnace 04
The chill zone 06 of bottom uses conical outlet, in favor of the smooth discharge of gas-solid mixture, prevents solid dust in gasification furnace
Accumulate in dead band.
The reaction temperature requirement of gasification furnace 04 is 700~1000 DEG C, and reaction pressure is 4.5~7.2MPaG.In gasification furnace 04
Portion has fire resisting and wear-resistant castable or insulating brick, and 04 inner wall of gasification furnace or outer wall can set heat exchange sleeve to react gasification furnace 04
Heat recovery.The reaction zone operation temperature of gasification furnace 04 is less than the softening temperature of residue ash content, ensures that residue has mobility, no
Can coking.
Quench thing in chill zone 06 can be water, vapor, synthesis gas, carbon dioxide or two or more mixtures, excellent
It is Quench thing to select synthesis gas, can reduce the influence to reacting synthesis gas component, while realizes that circulation reduces public inside synthesis gas
Consumed with engineering.
Quench gas jets 07, as shown in Fig. 2, with downward and horizontal angle of inclination, Quench gas jets 07 tilt down
The setting of angle [alpha], is to comply with the flow direction of gasification furnace reaction zone outlet fluid, prevent flow field shadow at Quench gas jets 07
The reflection effect of reaction zone is rung, the setting of 07 level inclination β of Quench gas jets, is to make multichannel Quench gas jets 07 form rotation
Stream, preferably promotes fluid mixing and heat exchange, strengthens chill effect.It is required that 07 number of Quench gas jets is 4,6 or 8,
Nozzle answers tight same direction circumferentially disposed in horizontally disposed, tilts down angle [alpha] as 135~170 °, level inclination β for 5~
25°。
The gas-solid mixture of gasification furnace 04 is left by entering gas solid separation system 09 after high-temperature pipe 08, it is solid after separation
Body residue enters slag treatment system 13, and the residue after processing sends pipeline 14 outside by residue and is delivered to downstream section, after separation
Synthesis gas enter gas purification piece-rate system 10, be purified synthesis gas and tar by-product after purification separation.
High-temperature pipe 08 adds cooling water folder using insulation and castable refractory jacketed piping, or internal layer wear resistance lining outer layer
The form of set, prevents abrasion of the high-temp solid to pipeline, and the turning radius of pipeline should be not less than 5 times of calibers, which should use up
Measure it is short with ensure the heat loss of process minimum.
Gas solid separation system 09 is responsible for overall gas solid separation, including list covers or cover more cyclone separator, and dust enters pottery
Porcelain filter, sintered metal filter.
Gas purification piece-rate system 10 includes multistage cooling and the vapor-liquid separation of gas, and reactor feed gas can be carried out
Heat exchange, recovery system heat.
Slag treatment system 13 includes the cooling device of hot-engine sludge and the dropping equipment of high pressure residue.The device is recyclable
The amount of heat of hot-engine sludge entrainment, ensures that system has the higher thermal efficiency.
The utility model is simplified the function of gasification furnace, is only included gasification reaction area and chill zone, is greatly reduced
The height and overall volume of gasification furnace, improve the thermal efficiency of gasification furnace, reduce gasification furnace equipment investment and manufacture difficulty.Together
When the gasification process select gasification temperature be medium temperature condition of high voltage, the heat waste of gasification furnace can be reduced, while gasification can be improved
The treating capacity of stove, and medium temperature condition can obtain the volatile matter that economic value is higher in coal dust, reach the cascade utilization of coal dust.
The preferred embodiment of the utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to the design of the utility model in domain
Available technical solution is tested, all should be in the protection domain being defined in the patent claims.
Claims (10)
- A kind of 1. new entrained flow gasification furnace system, it is characterised in that：Including gasification furnace (04), chill zone (06), gas-solid point From system (09), gas purification piece-rate system (10), slag treatment system (13), gasification furnace (04) input terminal connects coal dust Pipeline (01), oxygen channel (02), gasifying agent pipeline (03), the output terminal connection chill zone of gasification furnace (04) bottom (06), chill zone (06) output terminal connects gas solid separation system (09), the gas solid separation system by high-temperature pipe (08) System (09) output terminal connects gas purification piece-rate system (10), slag treatment system (13), the gas purification segregative line respectively (10) output terminal of uniting connects decontaminating syngas pipeline (11) and tar by-product pipeline (12), slag treatment system (13) output End connection residue sends pipeline (14) outside.
- A kind of 2. new entrained flow gasification furnace system as claimed in claim 1, it is characterised in that：In the gasification furnace (04) Portion is gasification reaction area (05).
- A kind of 3. new entrained flow gasification furnace system as claimed in claim 1, it is characterised in that：Under the gasification furnace (04) Portion sets Quench gas jets (07).
- A kind of 4. new entrained flow gasification furnace system as claimed in claim 3, it is characterised in that：The Quench gas jets (07) to be multiple, and Quench gas jets (07) tilt down angle [alpha] as 135~170 °, and level inclination β is 5~25 °.
- A kind of 5. new entrained flow gasification furnace system as claimed in claim 1, it is characterised in that：The pulverized coal channel (01) Middle coal dust discharge pressure is more than 7.5MPaG, 40~100 DEG C of coal dust temperature, and coal powder size average grain diameter is less than 100 μm.
- A kind of 6. new entrained flow gasification furnace system as claimed in claim 1, it is characterised in that：The oxygen channel (02) Middle oxygen pressure is more than 7.5MPaG.
- A kind of 7. new entrained flow gasification furnace system as claimed in claim 1, it is characterised in that：The gasifying agent pipeline (03) gasifying agent pressure is more than 7.2MPaG in, and gasification agent temperature should be higher than that 200 DEG C, and the gasifying agent can be high steam, hydrogen Gas, hydrogen-rich gas, synthesis gas, flue gas or two or more gaseous mixtures.
- A kind of 8. new entrained flow gasification furnace system as claimed in claim 1, it is characterised in that：The gasification furnace (04) Reaction temperature is 700~1000 DEG C, and reaction pressure is 4.5~7.2MPaG.
- A kind of 9. new entrained flow gasification furnace system as claimed in claim 1, it is characterised in that：The chill zone (06) is adopted Use conical outlet.
- A kind of 10. new entrained flow gasification furnace system as claimed in claim 1, it is characterised in that：The chill zone (06) Interior Quench thing can be water, vapor, synthesis gas, carbon dioxide or two or more mixtures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952972.XU CN207330863U (en) | 2017-08-01 | 2017-08-01 | A kind of new entrained flow gasification furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720952972.XU CN207330863U (en) | 2017-08-01 | 2017-08-01 | A kind of new entrained flow gasification furnace system |
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| Publication Number | Publication Date |
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| CN207330863U true CN207330863U (en) | 2018-05-08 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240944A (en) * | 2019-05-21 | 2019-09-17 | 浙江大学 | The method and device of fine coal constant-pressure and high-temperature cracking oxygen-rich gasification coproduction coal gas and semicoke |
-
2017
- 2017-08-01 CN CN201720952972.XU patent/CN207330863U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110240944A (en) * | 2019-05-21 | 2019-09-17 | 浙江大学 | The method and device of fine coal constant-pressure and high-temperature cracking oxygen-rich gasification coproduction coal gas and semicoke |
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