CN205740909U - A kind of gasification system with heat recovery function - Google Patents
A kind of gasification system with heat recovery function Download PDFInfo
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- CN205740909U CN205740909U CN201620696172.1U CN201620696172U CN205740909U CN 205740909 U CN205740909 U CN 205740909U CN 201620696172 U CN201620696172 U CN 201620696172U CN 205740909 U CN205740909 U CN 205740909U
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- pot
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a kind of gasification system with heat recovery function, pot, drum, aeration tower, thick Slag treatment device and treatment device comprising: gasification furnace, convection current are given up, wherein, described gasification furnace includes vaporizer and radiation waste pot, this gasification furnace has an inner shell and is nested with the shell outside this inner shell, described vaporizer is located at the top of this inner shell, and this vaporizer is connected with the radiation waste pot being located at this inner shell bottom；The raw gas outlet of the described radiation waste pot pot raw gas entrance that gives up with convection current is connected, and the give up gas exit of pot of described convection current is connected with described aeration tower, and described aeration tower is connected with described treatment device.This utility model not only breaches and uses chilled water to reclaim the recuperation of heat mode of heat in correlation technique, the sensible heat major part of coal gas in coal gasification course is reclaimed, and improves the efficiency reclaiming heat, by-product high-quality steam simultaneously, makes capacity usage ratio higher.
Description
Technical field
This utility model relates to coal gasification apparatus technical field, is specifically related to a kind of coal gasification with heat recovery function
System.
Background technology
At present, gasification furnace runs at high temperature under high pressure, and the gasification product after carbonaceous material burning has higher
Temperature and pressure, High Temperature High Pressure coal gas is directly entered shock chamber's Quench, the technique of chilling process and operation the most afterwards from vaporizer
Although relatively easy, but from Energy harvesting angle, it is low to there is the thermal efficiency in chilling process, it is impossible to fully reclaim heat, money
Source waste is big, the problems such as utilization of energy is unreasonable.
Utility model content
The purpose of this utility model is to provide a kind of gasification system with heat recovery function, existing in order to solve
The coal gasification apparatus thermal efficiency is low, can not fully reclaim heat, problem that the wasting of resources is big.
For achieving the above object, this utility model provides a kind of gasification system with heat recovery function, described coal
Gasification system includes that gasification furnace, convection current give up pot, drum, aeration tower, thick Slag treatment device and treatment device, wherein,
Described gasification furnace includes vaporizer and radiation waste pot, and this gasification furnace has an inner shell and is nested with the shell outside this inner shell,
Described vaporizer is located at the top of this inner shell, and this vaporizer is connected with the radiation waste pot being located at this inner shell bottom；
The raw gas outlet of the described radiation waste pot pot raw gas entrance that gives up with convection current is connected, and the give up coal gas of pot of described convection current goes out
Mouth is connected with described aeration tower, and described aeration tower is connected with described treatment device；
The described drum pot that gives up with described radiation waste pot and convection current respectively is connected；
Described radiation waste pot is connected with described thick Slag treatment device.
It is provided with fin panel casing corresponding to vaporizer position between described shell and described inner shell.
Described fin panel casing and described shell interval are arranged.
The outlet of described treatment device is connected with described aeration tower by high-pressure hydraulic pump, the buck of described aeration tower
Outlet is connected with described treatment device import.
The upper end of described vaporizer is provided with burner.
Described gasification furnace also includes steam superheater, this steam superheater and radiation waste pot integrated setting.
The give up quantity that arranges of pot of described convection current is at least 1.
Described gasification furnace also includes collecting slag bath, and this collection slag bath is arranged on the bottom of gasification furnace, this collection slag bath import and radiation
Useless pot raw gas outlet connects, and the outlet of described collection slag bath is connected with described thick Slag treatment device.
It is provided with refractory material inside the shell of described vaporizer.
This utility model method has the advantage that
This utility model has the gasification system of heat recovery function can reclaim gained high temperature height after gasification furnace burning
The heat of pressure coal gas, and by-product 10.0MPa or the steam of other pressure ratings.This utility model not only breaches in correlation technique
Use chilled water to reclaim the recuperation of heat mode of heat, the sensible heat major part of coal gas in coal gasification course is reclaimed, and improves
Reclaim the efficiency of heat, by-product high-quality steam simultaneously, make capacity usage ratio higher.
Accompanying drawing explanation
Fig. 1 gasification system block diagram with heat recovery function of the present utility model.
Detailed description of the invention
Following example are used for illustrating this utility model, but are not limited to scope of the present utility model.
Please refer to described in Fig. 1, this utility model provides a kind of gasification system with heat recovery function, its bag
Include gasification furnace, pot 5 is given up in convection current, drum 6, aeration tower 7, thick Slag treatment device 4 and treatment device 8, wherein, gasification furnace
Including vaporizer 2 and radiation waste pot 3, this gasification furnace has an inner shell and is nested with the shell outside this inner shell, and vaporizer 2 sets
On the top of this inner shell, this vaporizer 2 is connected with the radiation waste pot 3 being located at this inner shell bottom, the raw gas outlet of radiation waste pot 3
The pot 5 raw gas entrance that gives up with convection current is connected, convection current give up pot 5 raw gas outlet be connected with aeration tower 7, aeration tower 7 and clinker water
Processing means 8 connects；Drum 6 pot 5 that gives up with radiation waste pot 3 and convection current respectively is connected, and drum 6 quantity can be set to 1 or 2
Individual, vaporizer 2 is substantially carried out the gasification reaction of carbonaceous material and oxygen；Radiation waste pot 3 is used for reclaiming institute after carbonaceous material burning
Obtain the heat that high temperature and high pressure gas (coal gas of high temperature) is comprised；Convection current gives up pot 5 for reclaiming heat contained in high temperature rough gas.
Concrete, the outlet of vaporizer 2 is connected with radiation waste pot 3 raw gas import, radiation waste pot 3 raw gas exports and convection current is given up pot 5
Raw gas import is connected, convection current give up pot 5 raw gas outlet be connected with aeration tower 7 raw gas import.Aeration tower 7 is for rough coal
Gas washing ash disposal, purifies raw gas, and the outlet of radiation waste pot 3 thick slag is connected with thick Slag treatment device 4, from radiation waste pot 3 out
Waste residue eventually enter into thick Slag treatment device 4.This utility model has the gasification system of heat recovery function and passes through radiation waste
Pot 3, convection current give up pot 5 and the heat of coal gas of high temperature is reclaimed by the drum 6 supporting with useless pot.This utility model passes through thick slag
Thick slag in gasification furnace is recycled by processing means 4, and aeration tower 7 carries out cleaning dust, treatment to raw gas
Fine slag is concentrated by device 8, purifies buck, makes buck be recycled.
Wherein, the upper end of vaporizer 2 is provided with burner 1, is passed through oxygen and carbonaceous material by burner 1, contains in vaporizer 2
Carbonizable substance and oxygen carry out gasification reaction in vaporizer 2, in vaporizer 2 temperature of coal gas of high temperature typically up to 1100 DEG C-
2000℃.Vaporizer 2 uses fin panel casing to protect, concrete, corresponding to vaporizer 2 position between shell and inner shell
Place is provided with that fin panel casing, fin panel casing and housing upper section be coaxial and keep at a certain distance away setting, fin panel casing and gasification
There is certain gap between stove outer covering, be passed through boiler water in water screen tube and play a protective role.
As disposable embodiment, may be used without resistance to inside the shell of the vaporizer 2 of gasification furnace of the present utility model
Fire material is protected, and refractory material stops heat to be delivered to the shell of gasification furnace, plays a very good protection.
Radiation waste pot 3 raw gas out is carried fine ash secretly and is directly entered convection current and gives up pot 5, generally, enters convection current and gives up
The temperature of the raw gas of pot 5 is below 1000 DEG C.The boiler water entrance of radiation waste pot 3 exports with the boiler water of drum 6 and is connected, spoke
The boiler water outlet penetrating useless pot 3 is connected with the boiler water entrance of drum 6, and convection current is given up the boiler water entrance of pot 5 and the pot of drum 6
Stove water out is connected, convection current give up pot 5 boiler water outlet be connected with the boiler water entrance of drum 6.Radiation waste pot 3 and convection current
Useless pot 5 boiler water can use Natural Circulation, it would however also be possible to employ forced circulation, and the give up quantity that arranges of pot of convection current is at least 1.
It is also preferred that the left be additionally provided with steam superheater in gasification furnace, this steam superheater and radiation waste pot 3 integrated setting, spoke
Penetrate useless pot 3 and convection current give up steam that pot 5 produces can be completely or partially overheated in steam superheater.
As disposable embodiment, steam superheater of the present utility model can also and convection current pot 5 integration of giving up set
Meter, or steam superheater is provided separately within radiation waste pot 3 and convection current is given up between pot 5, pot 5 is given up in radiation waste pot 3 and convection current can
To share a drum 6, when the quantity of drum 6 is two, it is also possible to use respective drum 6 respectively.
Wherein, radiation waste pot 3 can use fin panel casing to protect, outside the epimere of this fin panel casing and gasification furnace
Shell is coaxial and spaced apart setting, is passed through boiler in being provided with a part of water-cooling screen, water-cooling wall and water-cooling screen pipe in this fin panel casing
Water, then produces the steam of 10.0MPa or other pressure ratings by drum 6.The raw gas come from radiation waste pot 3 leaves gas
Changing stove to be directly entered convection current and give up pot 5, high temperature rough gas after cooling down, is directly entered aeration tower 7 in pot 5 is given up in convection current.
It is also preferred that the left the bottom of gasification furnace is provided with collection slag bath, this collection slag bath import is connected with the outlet of radiation waste pot 3 raw gas,
The raw gas of collection slag bath exports the pot 5 that gives up with convection current and is connected, and the thick slag outlet of collection slag bath is connected with thick Slag treatment device 4.High temperature is thick
Coal gas by after radiation waste pot 3 heat exchange, enters collection slag bath, is provided with water-bath in collection slag bath together with lime-ash, after collection slag bath water-bath,
Coal gas of high temperature and a small amount of lime-ash enter convection current and give up pot 5, and major part lime-ash enters collection slag bath.Collection slag bath and thick Slag treatment device 4 phase
Connect, to reclaim the ash after coal combustion and the unburned carbon of part.
Aeration tower 7 mainly utilizes process condensate that other workshop sections of factory provide and processes through treatment device 8
Buck the coal gas entering aeration tower 7 is washed, after raw gas washs ash disposal by aeration tower 7, leave gasification battery limit (BL), enter
Entering next workshop section, after washing raw gas, buck goes out to enter treatment device 8 through the buck of aeration tower 7 and processes, lime-ash
The outlet of water treatment facilities 8 is connected with aeration tower 7 by high-pressure hydraulic pump 9, and the buck after processing is again fed to aeration tower 7 and enters
Row recycles.Gasification furnace and the arranged Heisui River of aeration tower 7 are entered treatment device 8 and are realized by treatment device 8
The slagging-off deoxygenation of buck, and recycle.
This utility model has in the gasification system of heat recovery function, and carbonaceous material and raw material oxygen enter from burner
To gasification furnace vaporizer 2, in vaporizer 2, carbonaceous material generation redox reaction, obtain High Temperature High Pressure raw gas, high temperature
Raw gas from vaporizer 2 out, sequentially passes through radiation waste pot 3 and convection current is given up pot 5 cooling down, and the heat of release is by radiant boiler
Absorbing with the give up water of pot of convection current, byproduct steam, steam is after drum 6, for later use, goes out the give up raw gas of pot 5 of convection current and enters
Aeration tower 7, after raw gas is washed dedusting in aeration tower 7, leaves aeration tower 7 and enters next workshop section.In aeration tower 7, quilt
The fine ash that high pressure buck washs, enters treatment device 8, processes through treatment device 8 and obtains clarification totally
Buck, clean buck is sent back to aeration tower 7 by high pressure ash water pump 9 again, is recycled.
This utility model has the gasification system of heat recovery function can reclaim gained high temperature height after gasification furnace burning
Calm the anger the heat of body, and by-product 10.0MPa or the steam of other pressure ratings.This coal gasification stream with heat recovery function
Journey not only breaches and uses chilled water to reclaim the recuperation of heat mode of heat, by the sensible heat of coal gas in coal gasification course in correlation technique
Major part reclaims, and improves the efficiency reclaiming heat, by-product high-quality steam simultaneously, makes capacity usage ratio higher.This reality
By novel gasification system compared with the gasification system of existing direct Quench, heat recovery efficiency improves 1.6 times, energy
Utilization rate improves 3%.
Although, the most with general explanation and specific embodiment, this utility model is made detailed description, but
On the basis of this utility model, can make some modifications or improvements it, this is apparent to those skilled in the art
's.Therefore, these modifications or improvements on the basis of without departing from this utility model spirit, belong to this utility model and want
Seek the scope of protection.
Claims (9)
1. a gasification system with heat recovery function, it is characterised in that described gasification system includes gasification furnace, right
The useless pot of stream, drum, aeration tower, thick Slag treatment device and treatment device, wherein, described gasification furnace include vaporizer and
Radiation waste pot, this gasification furnace has an inner shell and is nested with the shell outside this inner shell, and described vaporizer is located at this inner shell
Top, this vaporizer is connected with the radiation waste pot being located at this inner shell bottom；
The raw gas outlet of the described radiation waste pot pot raw gas entrance that gives up with convection current is connected, described convection current give up pot gas exit and
Described aeration tower connects, and described aeration tower is connected with described treatment device；
The described drum pot that gives up with described radiation waste pot and convection current respectively is connected；
Described radiation waste pot is connected with described thick Slag treatment device.
The gasification system with heat recovery function the most according to claim 1, it is characterised in that described shell and institute
State and be provided with fin panel casing corresponding to vaporizer position between inner shell.
The gasification system with heat recovery function the most according to claim 2, it is characterised in that described film-type water-cooling
Wall and described shell interval are arranged.
The gasification system with heat recovery function the most according to claim 1, it is characterised in that at described clinker water
The outlet of reason device is connected with described aeration tower by high-pressure hydraulic pump, the gray water outlet of described aeration tower and described treatment
Device import connects.
The gasification system with heat recovery function the most according to claim 1, it is characterised in that described vaporizer
Upper end is provided with burner.
The gasification system with heat recovery function the most according to claim 1, it is characterised in that described gasification furnace is also
Including steam superheater, this steam superheater and radiation waste pot integrated setting.
The gasification system with heat recovery function the most according to claim 1, it is characterised in that described convection current is given up pot
The quantity that arranges be at least 1.
The gasification system with heat recovery function the most according to claim 1, it is characterised in that described gasification furnace is also
Including collection slag bath, this collection slag bath is arranged on the bottom of gasification furnace, and this collection slag bath import is connected with the outlet of radiation waste pot raw gas, institute
The outlet stating collection slag bath is connected with described thick Slag treatment device.
The gasification system with heat recovery function the most according to claim 1, it is characterised in that described vaporizer
Refractory material it is provided with inside shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620696172.1U CN205740909U (en) | 2016-07-04 | 2016-07-04 | A kind of gasification system with heat recovery function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620696172.1U CN205740909U (en) | 2016-07-04 | 2016-07-04 | A kind of gasification system with heat recovery function |
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| CN205740909U true CN205740909U (en) | 2016-11-30 |
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| CN201620696172.1U Active CN205740909U (en) | 2016-07-04 | 2016-07-04 | A kind of gasification system with heat recovery function |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010654A (en) * | 2016-07-04 | 2016-10-12 | 马宏波 | Coal gasification system with heat recovering function |
| CN109266394A (en) * | 2018-09-26 | 2019-01-25 | 太原理工大学 | A kind of coal gasification residual neat recovering system and method |
-
2016
- 2016-07-04 CN CN201620696172.1U patent/CN205740909U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106010654A (en) * | 2016-07-04 | 2016-10-12 | 马宏波 | Coal gasification system with heat recovering function |
| CN109266394A (en) * | 2018-09-26 | 2019-01-25 | 太原理工大学 | A kind of coal gasification residual neat recovering system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170310 Address after: 100084 room C1001A, room, building 8, No. 1 East Road, Haidian District, Beijing, China Patentee after: Beijing Chong Qing Jin Hua Technology Co., Ltd. Address before: 044000 Yuncheng, Saline Lake, Shanxi Jiefang North Road, No. 279 Patentee before: Ma Hongbo |
|
| TR01 | Transfer of patent right |