CN202246592U - Chilling device applied to entrained-flow gasification furnace - Google Patents
Chilling device applied to entrained-flow gasification furnace Download PDFInfo
- Publication number
- CN202246592U CN202246592U CN2011203539256U CN201120353925U CN202246592U CN 202246592 U CN202246592 U CN 202246592U CN 2011203539256 U CN2011203539256 U CN 2011203539256U CN 201120353925 U CN201120353925 U CN 201120353925U CN 202246592 U CN202246592 U CN 202246592U
- Authority
- CN
- China
- Prior art keywords
- quencher
- gas
- chilling
- quenched water
- housing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000002309 gasification Methods 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 59
- 239000002893 slag Substances 0.000 claims abstract description 20
- 239000011449 brick Substances 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 11
- 239000003034 coal gas Substances 0.000 claims description 16
- 230000008676 import Effects 0.000 claims description 5
- 239000011796 hollow space material Substances 0.000 claims description 3
- 238000005728 strengthening Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- 239000003245 coal Substances 0.000 abstract description 3
- 239000007788 liquid Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 26
- 239000003818 cinder Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 239000000112 cooling gas Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- IXSZQYVWNJNRAL-UHFFFAOYSA-N etoxazole Chemical compound CCOC1=CC(C(C)(C)C)=CC=C1C1N=C(C=2C(=CC=CC=2F)F)OC1 IXSZQYVWNJNRAL-UHFFFAOYSA-N 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Images
Landscapes
- Industrial Gases (AREA)
Abstract
The utility model relates to gasification furnace equipment for coal chemical industry, in particular to a chilling device applied to an entrained-flow gasification furnace. The chilling device applied to the entrained-flow gasification furnace is connected with the lower end of the gasification furnace and comprises a casing, a chilling water distributor and a gas baffle pipe, wherein a refractory brick support plate is arranged in the upper end of the casing, the support plate is connected with the chilling water distributor through a flange, the lower end of the chilling water distributor is connected with the gas baffle pipe, the chilling water distributor is in a hollow reverse round table shape, an annular cavity is formed between the outer side wall and the inner side wall of the reverse round table shape, the outer side wall is communicated with a chilling water inlet arranged at the outer side of the casing of the chilling device, and a plurality of chilling water injection holes are uniformly arranged on the inner side wall. The chilling device has the advantages that the structure is simple, the slag opening blockage problem caused by a chilling ring can be thoroughly eliminated, the gas baffle pipe with reinforcing rib fins has higher stress intensity, the deformation caused by excessive inside and outside pressure differences can be avoided, the casing adopts materials lower than the temperature-resistant grade of the gasification furnace, the equipment cost can be reduced, and the gas can be sufficiently cooled through high liquid content and strong heat exchange capability while the water carrying of the gas is avoided.
Description
Technical field
The utility model relates to the vapourizing furnace apparatus field of Coal Chemical Industry, particularly is applied to the quencher of airflow bed gasification furnace.
Background technology
Airflow bed gasification furnace has that coal adaptability is strong, level of automation is high, stable operation is reliable, gasification intensity is big, gasification efficiency is high and the three wastes are handled characteristics such as simple, is the vapourizing furnace type of furnace of main flow now.
The airflow bed gasification furnace classification type has multiple at present: different according to the gasification space segmentation, can be divided into primary reformer and two sections stoves; Different according to charging, can be divided into coal slurry gasifier and dry coal dust gasification furnace; Different according to the deslagging mode, can be divided into slag tap and dry ash extraction.
To the airflow bed gasification furnace of these several types of main flow classification, be designed with the airflow bed gasification furnace of chilling process, all shock chamber and reaction zone are placed in the same container.For example open day is 2007-07-25; Publication number is the Chinese patent document of CN101003754; A kind of airflow bed gasification furnace is disclosed; Comprise with lower member: furnace shell, flue, chilling ring, water sealed tank, guide shell, baffling tube, gasified raw material and gasification agent inlet, raw gas outlet and slag notch, wherein, said flue, chilling ring, water sealed tank, guide shell, baffling tube from top to down are arranged at furnace shell inside; Said gasified raw material and gasification agent inlet are arranged at the top of vapourizing furnace, and are communicated with flue; Said raw gas outlet is arranged on the furnace shell sidewall of water sealed tank below; The bottom of said vapourizing furnace is provided with slag notch; The top of said furnace shell inwall is provided with locating support; And the bottom of furnace shell inwall is provided with the baffling tube stent.
The entrained flow gasification furnace structure of design necessarily requires the material of shock chamber and the material of high temperature reaction zone to be consistent like this, will cause the overall cost of vapourizing furnace high like this.
Simultaneously, in the present structure design, the chilling ring that adjacent cinder notch is arranged is the final cause of cinder notch obstruction especially.Because, can adopt the chilled water flow of super-flow in order to protect chilling ring, thereby be easy to make the cinder notch temperature to be lower than coal ash fusion temperature and slag is solidified, cause that cinder notch dwindles and stops up.
In addition, the inner downtake of burner hearth has the branch of single downcomer structure and two downcomer structures.Adopt single downcomer structure, the downtake distortion takes place easily; The two downcomer structures of employing, be easy to take place shock chamber's band water.These all are the important factors that influences the operation of vapourizing furnace continous-stable, therefore are necessary existing airflow bed gasification furnace is made improvement.
The utility model content
The utility model is for solving the problems of the technologies described above; The quencher that is applied to airflow bed gasification furnace is provided; The quencher of this structure can be realized following purpose: (1) has overcome the excessive cinder notch blockage problem that causes of existing vapourizing furnace chilled water flow, has reasonably designed position and the degree of handling cold shock; (2) quench chamber does not have gas band water and downtake does not have distortion; (3) practiced thrift the housing cost.
The technical scheme of the utility model is following:
Be applied to the quencher of airflow bed gasification furnace, be positioned at the vapourizing furnace lower end, comprise housing, quenched water sparger and gas baffling pipe, quenched water sparger and gas baffling pipe all are provided with and enclosure interior, and the gas baffling pipe is positioned at the housing middle part; Said housing profile profile from top to bottom is followed successively by the truncated cone-shaped end socket on top, the cylinder part at middle part, the reverse frustoconic end socket of bottom; Be provided with the refractory brick back up pad in the truncated cone-shaped end socket on top; The refractory brick back up pad is used to support the refractory brick on quencher top and the refractory brick of vapourizing furnace, and the refractory brick back up pad connects the quenched water sparger through flange; Said quenched water sparger is the round table-like of hollow; Hollow space is the columned slag passage that falls, and falls to be annular cavity between round table-like outer side wall and the inner side-wall, and outer side wall is communicated with the quenched water import that is arranged at the quencher hull outside; Evenly be provided with some quenched water jet holes on the inner side-wall of rounding platform; The bottom of said quenched water sparger is fixedly connected with the top of gas baffling pipe, and mode of connection is welding, and the main body of said gas baffling pipe is the cylinder shape; Also be provided with coal gas of high temperature outlet, quenched water outlet, liquidometer and thermometric pressure tap on the housing of said quencher, the coal gas of high temperature outlet is higher than liquidometer, and liquidometer is higher than quenched water outlet and thermometric pressure tap.
The upper end diameter D1 of truncated cone-shaped end socket is identical with the diameter of vapourizing furnace housing, the junction that to be the truncated cone-shaped end socket bottom partly be connected with cylinder of truncated cone-shaped end socket, and the junction bore equals the diameter D2 of cylinder part.
The diameter D2 of said cylinder part is greater than the diameter D1 of vapourizing furnace.
Said quencher port connects vapourizing furnace through flange, and lower port is connected through equipment such as flange and dregs breakers.
The diameter bottom of the reverse frustoconic end socket of said bottom is identical with the diameter of dregs breaker or slag valve.
The interior caliber bore of said gas baffling pipe bottom becomes gradually and is horn-like greatly; Caliber is D3 in the trumpet-shaped upper end; Caliber is D4 in the trumpet-shaped lower end, D4＞D3, and interior caliber D3 is consistent with the caliber of the cylinder shape of gas baffling pipe; Said trumpet-shaped opening angle is α, and α satisfies: 20 °＜α＜160 °.
Said outer side wall and the angle between the inner side-wall that is down round table-like quenched water sparger is β/2, and the scope that β satisfies is: 20 °＜β＜160 °.
The main body outside of said gas baffling pipe evenly is provided with the plurality of strengthening ribs sheet, is used to gain in strength and intensifying heat transfer.
The material that housing adopted of said quencher is the material that is lower than the vapourizing furnace temperature resistant grade, can practice thrift cost widely like this.
The principle of work of the utility model is following:
This quencher upper end connects vapourizing furnace through flange, and the quencher lower end is connected with dregs breaker or slag valve through flange; When work, the coal gas of high temperature of vapourizing furnace and slag get into quencher through the passage of quencher top refractory brick hollow; By chilling, slag is cured and falls into the bottom and gets into water-bath, discharges from the following cinder notch of quencher lower end subsequently when the position of process quenched water jet hole; Coal gas of high temperature by chilling after, along the gas baffling pipe downwards through water-bath again baffling upwards further after cooling and the dedusting, export from coal gas of high temperature and to leave quencher.
The beneficial effect of the utility model is following:
(1) the utility model adopts the flange type of attachment independently to select the material of quencher for use easily and does not receive the constraint of vapourizing furnace material, so quencher can use the material that is lower than the vapourizing furnace temperature resistant grade, can reduce equipment cost largely;
(2) main diameter of the utility model can make quencher have bigger liquid holdup and bigger exchange capability of heat greater than the vapourizing furnace diameter, fully cooling gas and avoid gas band water;
(3) quenched water jet hole position is because of lower from cinder notch temperature far away; So do not need the chilled water of baroque chilling ring and super-flow; This design simple in structure, easy to process; Can thoroughly eradicate the cinder notch blockage problem of bringing by chilling ring, can satisfy gas chilled equally and slag solidified processing requirement;
(4) have the gas baffling pipe of stiffening web sheet, have higher resistance intensity, can avoid the distortion that causes because of inside and outside differential pressure is excessive during the start-stop car, strengthen the gas-liquid heat-transfer process simultaneously.
Description of drawings
Fig. 1 is the structural representation of the utility model
Fig. 2 is the structural representation of the quenched water sparger of the utility model
Fig. 3 is the outer stiffening web sheet arrangement synoptic diagram of the gas baffling pipe of the utility model
Reference numeral shown in the figure is: 1, and refractory brick back up pad, 2 quenched water spargers, 3 gas baffling pipes; 4 quenched water imports, 5 coal gas of high temperature inlet, the outlet of 6 coal gas of high temperature, 7 liquidometers; 8 thermometric pressure taps, the outlet of 9 quenched waters, 10 times cinder notch, 11 housings; 12 quenched water jet holes, 13 annular water chambers, 14 stiffening web sheets.
Embodiment
As shown in Figure 1; Be applied to the quencher of airflow bed gasification furnace, be positioned at the vapourizing furnace lower end, comprise housing 11, quenched water sparger 2 and gas baffling pipe 3; Quenched water sparger 2 all is provided with and housing 11 inside with gas baffling pipe 3, and gas baffling pipe 3 is positioned at housing 11 middle parts; Said housing 11 profiles profile from top to bottom is followed successively by the truncated cone-shaped end socket on top, the cylinder part at middle part, the reverse frustoconic end socket of bottom; Be provided with refractory brick back up pad 1 in the truncated cone-shaped end socket on top; Refractory brick back up pad 1 is used to support the refractory brick on quencher top and the refractory brick of vapourizing furnace, and refractory brick back up pad 1 connects quenched water sparger 2 through flange; Said quenched water sparger 2 is the round table-like of hollow; Hollow space is the columned slag passage that falls, and falls to be annular cavity between round table-like outer side wall and the inner side-wall, and outer side wall is communicated with the quenched water import 4 that is arranged at quencher housing 11 outsides; Evenly be provided with some quenched water jet holes 12 on the inner side-wall of rounding platform; The bottom of said quenched water sparger 2 is fixedly connected with the top of gas baffling pipe 3, and mode of connection is welding, and the main body of said gas baffling pipe 3 is the cylinder shape; Also be provided with coal gas of high temperature outlet 6, quenched water outlet 9, liquidometer 7 and thermometric pressure tap 8 on the housing 11 of said quencher, coal gas of high temperature outlet 6 is higher than liquidometer 7, and liquidometer 7 is higher than quenched water outlet 9 and thermometric pressure tap 8.
The upper end diameter D1 of truncated cone-shaped end socket is identical with the diameter of vapourizing furnace housing 11, the junction that to be the truncated cone-shaped end socket bottom partly be connected with cylinder of truncated cone-shaped end socket, and the junction bore equals the diameter D2 of cylinder part.
The diameter D2 of said cylinder part is greater than the diameter D1 of vapourizing furnace.
Said quencher port connects vapourizing furnace through flange, and lower port is connected through equipment such as flange and dregs breakers.
The diameter bottom of the reverse frustoconic end socket of said bottom is identical with the diameter of dregs breaker or slag valve.
The interior caliber bore of said gas baffling pipe 3 bottoms becomes gradually and is horn-like greatly; Caliber is D3 in the trumpet-shaped upper end; Caliber is D4 in the trumpet-shaped lower end, D4＞D3, and interior caliber D3 is consistent with the caliber of the cylinder shape of gas baffling pipe 3; Said trumpet-shaped opening angle is α, and α satisfies: 20 °＜α＜160 °.
As shown in Figure 2, said outer side wall and the angle between the inner side-wall that is down round table-like quenched water sparger 2 is β/2, and the scope that β satisfies is: 20 °＜β＜160 °.
As shown in Figure 3, the main body outside of said gas baffling pipe 3 evenly is provided with plurality of strengthening ribs sheet 14, is used to gain in strength and intensifying heat transfer.
The material that the housing 11 of said quencher is adopted is the material that is lower than the vapourizing furnace temperature resistant grade, can practice thrift cost widely like this.
The principle of work of the utility model is following:
This quencher upper end connects vapourizing furnace through flange, and the quencher lower end is connected with dregs breaker or slag valve through flange; When work, the coal gas of high temperature of vapourizing furnace and slag get into through the vertical coal gas of high temperature inlet 5 of quencher, through the passage entering quencher of quencher top refractory brick hollow; Because quenched water sparger 2 feeds water through quenched water import 4; The annular cavity of quenched water sparger 2 is filled and forms annular water chamber 13; Therefore coal gas of high temperature and slag are easy to just by chilling when the position of process quenched water jet hole 12; Slag is cured and falls into the bottom and gets into water-bath subsequently, discharges from the following cinder notch 10 of quencher lower end subsequently; Coal gas of high temperature by chilling after, along gas baffling pipe 3 downwards through water-bath again baffling upwards further after cooling and the dedusting, export 6 from coal gas of high temperature and leave quencher.
Claims (8)
1. be applied to the quencher of airflow bed gasification furnace; Be positioned at the vapourizing furnace lower end; Its characteristic for fear of: comprise housing (11), quenched water sparger (2) and gas baffling pipe (3); Quenched water sparger (2) and gas baffling pipe (3) all are provided with and housing (11) inside, and gas baffling pipe (3) is positioned at housing (11) middle part; Said housing (11) profile profile from top to bottom is followed successively by the truncated cone-shaped end socket on top, the cylinder part at middle part, the reverse frustoconic end socket of bottom; Be provided with refractory brick back up pad (1) in the truncated cone-shaped end socket on top; Refractory brick back up pad (1) is used to support the refractory brick on quencher top and the refractory brick of vapourizing furnace, and refractory brick back up pad (1) connects quenched water sparger (2) through flange; Said quenched water sparger (2) is the round table-like of hollow; Hollow space is the columned slag passage that falls; Fall and be annular cavity between round table-like outer side wall and the inner side-wall; Outer side wall is communicated with the quenched water import (4) that is arranged at quencher housing (11) outside, evenly is provided with some quenched water jet holes (12) on the inner side-wall of rounding platform, and the bottom of said quenched water sparger (2) is fixedly connected with the top of gas baffling pipe (3); Mode of connection is welding, and the main body of said gas baffling pipe (3) is the cylinder shape; Also be provided with coal gas of high temperature outlet (6), quenched water outlet (9), liquidometer (7) and thermometric pressure tap (8) on the housing of said quencher (11); Coal gas of high temperature outlet (6) is higher than liquidometer (7), and liquidometer (7) is higher than quenched water outlet (9) and thermometric pressure tap (8).
2. quencher according to claim 1 is characterized in that: said quencher upper and lower port all adopts flange connection, and port connects vapourizing furnace through flange.
3. quencher according to claim 1 and 2; It is characterized in that: the upper end diameter of the truncated cone-shaped end socket on said top is identical with the diameter of vapourizing furnace housing (11); The junction that to be the truncated cone-shaped end socket bottom partly be connected with cylinder of truncated cone-shaped end socket, the junction bore equals the diameter of cylinder part; The diameter of said cylinder part is greater than the diameter of vapourizing furnace.
4. quencher according to claim 3 is characterized in that: the reverse frustoconic end socket lower end of said bottom connects dregs breaker or slag valve, and the diameter of reverse frustoconic end socket bottom is identical with the diameter of dregs breaker or slag valve.
5. according to claim 1 or 4 described quenchers; It is characterized in that: the interior caliber bore of said gas baffling pipe (3) bottom becomes gradually and is horn-like greatly, and caliber is D3 in the trumpet-shaped upper end, and caliber is D4 in the trumpet-shaped lower end; D4＞D3; Interior caliber D3 is consistent with the caliber of the cylinder shape of gas baffling pipe (3), and said trumpet-shaped opening angle is α, and α satisfies: 20 °＜α＜160 °.
6. quencher according to claim 5 is characterized in that: said outer side wall and the angle between the inner side-wall that is down round table-like quenched water sparger (2) is β/2, and the scope that β satisfies is: 20 °＜β＜160 °.
7. according to claim 1 or 6 described quenchers, it is characterized in that: the main body outside of said gas baffling pipe (3) evenly is provided with plurality of strengthening ribs sheet (14).
8. quencher according to claim 7 is characterized in that: the housing of said quencher (11) material that is lower than the vapourizing furnace temperature resistant grade that adopts is processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203539256U CN202246592U (en) | 2011-09-21 | 2011-09-21 | Chilling device applied to entrained-flow gasification furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203539256U CN202246592U (en) | 2011-09-21 | 2011-09-21 | Chilling device applied to entrained-flow gasification furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202246592U true CN202246592U (en) | 2012-05-30 |
Family
ID=46107863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203539256U Expired - Lifetime CN202246592U (en) | 2011-09-21 | 2011-09-21 | Chilling device applied to entrained-flow gasification furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202246592U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382685A (en) * | 2011-09-21 | 2012-03-21 | 中国东方电气集团有限公司 | Quench cooler applied to entrained flow gasifier |
| CN104634504A (en) * | 2015-02-27 | 2015-05-20 | 水煤浆气化及煤化工国家工程研究中心 | Device for accurately measuring pressure difference of slag hole of gasification furnace and measurement method thereof |
-
2011
- 2011-09-21 CN CN2011203539256U patent/CN202246592U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382685A (en) * | 2011-09-21 | 2012-03-21 | 中国东方电气集团有限公司 | Quench cooler applied to entrained flow gasifier |
| CN102382685B (en) * | 2011-09-21 | 2013-12-25 | 中国东方电气集团有限公司 | Quench cooler applied to entrained flow gasifier |
| CN104634504A (en) * | 2015-02-27 | 2015-05-20 | 水煤浆气化及煤化工国家工程研究中心 | Device for accurately measuring pressure difference of slag hole of gasification furnace and measurement method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102382685B (en) | Quench cooler applied to entrained flow gasifier | |
| CN101885990B (en) | Dry coal powder gasification device with multiple burners on top | |
| CN108130133B (en) | Large-scale semi-waste boiler gasification device | |
| CN101598334A (en) | Bottom slag cooling method of circulating fluidized bed | |
| CN102732325A (en) | High-pressure and high-temperature furnace slag wind and water cooling and deslagging device | |
| CN204661623U (en) | A kind of pressurized circulating fluidized bed slag discharging device | |
| CN104650990A (en) | Slag discharging device for pressurized circulating fluidized bed | |
| CN202246592U (en) | Chilling device applied to entrained-flow gasification furnace | |
| CN105779014B (en) | J-type airflow bed gasification furnace | |
| CN101942343A (en) | Pressurized-gasification solid-state wet-type deslagging device for carbonaceous organic material and method | |
| CN102071063B (en) | Low-pressure water-cooled wall gasifier | |
| CN202688282U (en) | Gasification furnace | |
| CN202002114U (en) | Slag tapping mechanism of vertical type combustion furnace with overturning bottom cover | |
| CN202754968U (en) | Gasifier of fluidized bed of double-layer cooling room | |
| CN105542871B (en) | A kind of chilling ring of gasifying furnace | |
| RU2678215C1 (en) | Pyrolysis disposal plant | |
| CN204625574U (en) | For generation of the device of crude syngas | |
| CN202328755U (en) | Biomass water heater | |
| CN202329114U (en) | Fluidization fluidizing reactor | |
| CN208104311U (en) | Slag Quench deslagging integral type fixed-bed gasification furnace | |
| CN212102720U (en) | Dry-method slag discharging system of gasification furnace | |
| CN201206130Y (en) | Novel chilling ring for pressure circulating fluid bed fine coal gasifying stove | |
| CN202754966U (en) | Rotational flow fluidized bed gasifier | |
| CN201916906U (en) | Combustor of molten slag gasifier for fixed bed | |
| CN202912916U (en) | Melt cinder solid discharge structure for down entrained-flow bed gasifier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20131225 |
|
| RGAV | Abandon patent right to avoid regrant |