CN205603529U - Solid -state bed coal gasification stove - Google Patents
Solid -state bed coal gasification stove Download PDFInfo
- Publication number
- CN205603529U CN205603529U CN201620147207.6U CN201620147207U CN205603529U CN 205603529 U CN205603529 U CN 205603529U CN 201620147207 U CN201620147207 U CN 201620147207U CN 205603529 U CN205603529 U CN 205603529U
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- force feed
- coal
- furnace
- shaft
- solid
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Abstract
The utility model provides a solid -state bed coal gasification stove, includes shaft (1), stove bottom (2), furnace roof (3), characterized by: the cylinder is adopted in shaft (1), and the toper into big -end -up is established to its inner chamber, and its cone angle an is 1~30 degree, conical stove bottom (2) that have the funnel formula at the sub -unit connection of shaft (1), be connected with conical furnace roof (3) on the upper portion of shaft (1), periphery in furnace roof (3), 2 at least coal forced lubrication wares (8) are installed to the ring, lower extreme in central coal pipe (6) is connected with coal distributor (7). The utility model discloses solid -state bed coal gasification stove's beneficial effect is: under the not influenced prerequisite of gasification efficiency, guarantee that the gasifier has very long non -maintaining life.
Description
Technical field
This patent product belongs to coal chemical industry industry equipment
Technical background
At present, all there is a common defect in the solid-state bed coal gasification furnace used both at home and abroad---the non-maintaining use of-shaft furnace wall
Life-span is the shortest！According to investigations, average non-maintaining service life is less than 60 days, 13 days the shortest use time, the longest use time
Also less than 90 days！The main cause causing furnace wall not grown service life is that solid-state bed coal gasification furnace uses the combustion of oxygen-enriched even pure oxygen
Burning mode！The temperature of its combustion centre is up to more than 2600 DEG C, and once combustion centre is near furnace wall, and the furnace wall of any material is all incited somebody to action
Quickly burnt out.The effective means preventing furnace wall from burning out prevent exactly combustion centre near furnace wall, but existing solid-state bed Coal Gasification
Stove all cannot be accomplished！Because of combustion centre can along with in stove the variation of breathability and move.When breathability is relatively uniform, combustion centre
In stove lower middle position, furnace wall is safe.But breathability can change because of factors in stove: as side's burner noz(zle) damages,
Or coal particles is uneven, slagging scorification is uneven or coal seam decrease speed is uneven etc., and breathability all may be caused uneven.Thoroughly
The zonal combustion that gas is good is violent, and combustion centre moves to this region therewith, and inside the furnace wall in this region, temperature is the most continuous
Raise.Because existing solid-state bed coal gasification furnace all cannot directly detect the thermometric inside furnace wall, it is impossible to know the tool of combustion centre
Body position.Also without the means of effectively regulation combustion centre moving direction.Therefore, once combustion centre drifts to very close to furnace wall
Position, at this, furnace wall is unavoidably burned.This patent solid-state bed coal gasification furnace can overcome existing solid-state bed coal gasification furnace
Defect and deficiency, it is ensured that there is the longest non-maintaining service life furnace wall.
Summary of the invention
A kind of solid-state bed coal gasification furnace, including shaft, furnace bottom, furnace roof, this utility model feature is: shaft uses cylindrical shape,
Its inner chamber is set to up big and down small taper, and its cone angle is 1～30 degree；Connect in the bottom of shaft and have flared cone furnace bottom；
Connect on the top of shaft and have conical furnace roof；At the periphery of furnace roof, ring is provided with at least 2 coal force feed devices；Add at center
The lower end of coal pipe connects coal distributor.
This utility model coal force feed device by arc force feed plate, be connected to the force feed bar in the middle part of arc force feed plate, be set in force feed bar
On fairlead and be connected to force feed masthead end pull and press device four part constitute；Arc force feed plate is one section and matches with the inner circle of liner
Arc, be connected with force feed bar in the middle part of it；Force feed bar is connected through fairlead with pull and press device；Pull and press device makes pressure by force feed bar
Send plate to produce along shaft inwall to move back and forth.
Each arc force feed plate of the coal force feed device that this utility model ring is arranged on furnace roof periphery, segmentation forms one and abuts against
Annulus in liner.
This utility model uses at least 2 connecting rods that cone coal distributor is connected to the lower end of center coal feeding pipe；Cone
The cone angle beta of coal distributor is 1～45 degree.
This utility model solid-state bed coal gasification furnace provides the benefit that: on the premise of gasification efficiency is unaffected, it is ensured that gasification
Stove has the longest non-maintaining service life.
Accompanying drawing explanation
Fig. 1 is furnace binding schematic diagram；Fig. 2 is that furnace roof arranges schematic diagram；
Fig. 3 is that schematic diagram arranged by arc force feed plate；
Fig. 4 is protecting wall structure schematic diagram；
1-shaft in figure, 2-furnace bottom, 3-furnace roof, 4-nozzle, 5-scum pipe, 6-coal feeding pipe, 7-distributor, 8-force feed device, 9-aerofluxus
Pipe, 10-shell, 11-inner shell, 12-liner, 13-gap, 14-water jacket, 15-cools down water, 16-gap, 17-clay, and 18-presses
Send plate, 19-force feed bar, 20-pull and press device, 21-fairlead, 26-perforate, 27-connecting rod, 28-furnace wall.
Detailed description of the invention
Seeing Fig. 1, Fig. 2, Fig. 3, Fig. 4, a kind of solid-state bed coal gasification furnace, including shaft 1, furnace bottom 2, furnace roof 3, this reality
With novel feature being: shaft 1 uses cylindrical shape, its inner chamber is set to up big and down small taper, and its cone angle is 1～30 degree；At shaft
The bottom of 1 connects flared cone furnace bottom 2；Connect on the top of shaft 1 and have conical furnace roof 3；At the periphery of furnace roof 3,
Ring is provided with at least 2 coal force feed devices 8；Connect in the lower end of center coal feeding pipe 6 and have coal distributor 7.
This utility model coal force feed device 8 by arc force feed plate 18, be connected to the force feed bar 19 in the middle part of arc force feed plate 18, set
The fairlead 21 being located on force feed bar 19 and pull and press device 20 4 part being connected to force feed bar 19 top are constituted；Arc force feed plate
18 is one section of arc matched with the inner circle of liner 12, is connected with force feed bar 19 in the middle part of it；Force feed bar 19 is through fairlead
21 are connected with pull and press device 20；Pull and press device 20 makes force feed plate 18 produce reciprocating motion along shaft 1 inwall by force feed bar 19.
Each arc force feed plate 18 of the coal force feed device 8 that this utility model ring is arranged on furnace roof 3 periphery, segmentation forms one
Abut against the annulus in liner 12.
This utility model uses at least 2 connecting rods 27 that cone coal distributor 7 is connected to the lower end of center coal feeding pipe 6；
The cone angle beta of cone coal distributor 7 is 1～45 degree.
Principles and structure of the present utility model is designed as:
1, the coal distributor 7 in center coal feeding pipe 6 lower end is responsible for being distributed near wall lining 12 coal from coal feeding pipe 6.
The coal distributor 7 of bullet uses heat resisting steel to make, and has the longest service life.
2, the depressor 20 of taking out of the coal force feed device 8 installed at furnace roof 3 periphery makes arc force feed plate 18 do along the liner 12 of shaft 1
Lower reciprocating motion, by the most down force feed of the coal near liner 12.
3, the internal diameter of the barrel 28 of shaft 1 is designed to up big and down small, and furnace chamber is in an inverted cone.Under the effect of arc force feed plate 18, cylinder
Near the liner 12 of wall 28, in certain thickness and width range, i.e. low temperature coal in heat preservation zone 25 is by along certain angle,
Move to the stove heart of furnace tube bottom, i.e. combustion centre 22.The low temperature coal being in heat preservation zone 25 will be in standby burning in district 24
Ban Shao district 23 clamp-oned by the coal of temperature, and the high temperature coal in Ban Shao district 23 is squeezed into combustion centre 22 simultaneously and burns, the most past
Multiple.Owing to the coal major part of entrance combustion centre 22 is by coal force feed device force feed, it is controlled, thus in burning
The position of the heart 22 is the most stable.Thus the safety of furnace wall 28 is greatly improved；Meanwhile, restoration of lower stack liner 12 it is in
Near heat preservation zone 25 coal is constantly got off by upper compressive, coal that temperature is lower substitute, thus be in all the time
Unburned low temperature state, plays good function of heat insulation to liner 12, thus the liner 12 made with exotic material is not
Can be burned；In addition, being in the coal in heat preservation zone, bottom 25 and constantly extruded by top coal, its degree of compaction is far above it
Non-part in compression in his stove, its breathability is the most very different！Thus, Ji Shi combustion centre is near this region, it is also not possible at this
Vigorous combustion is produced in region.Thus effectively prevent because the superhigh temperature of vigorous combustion generation burns out the possibility of liner 12.
4, infundibulate furnace bottom 2, center scum pipe 5 all take outer steel shell+cooling jacket+steel inner shell+heat-conducting daub+heat conduction refractory lining five
Rotating fields.Its service life depends on refractory lining.Selection wear resistance at elevated temperature is good, and oxidation resistance is strong, resistance to rapid heat cycle
Carbofrax material do refractory lining, less than 1700 DEG C, its non-maintaining service life is considerably long.Because working area temperature is less than
1400 DEG C, having the refrigeration of cooling jacket but, its service life is longer in addition.
5, center coal feeding pipe 6, exhaustor 9, all makes of heat resisting steel, has the longest non-maintaining service life.
The shell 10 of this utility model furnace wall 28, inner shell 11 makes with heat resisting steel, thickness 20--80mm, cooling jacket width
20--60mm, heat conduction refractory lining 12 selects carbofrax material to make, and from top to bottom, liner 12 thickness is continuously increased, Cheng Yi
Constant inclination angle, angle is 1～30 degree, according to furnace chamber diameter and the most selected, average thickness 200～300mm；Heat-conducting daub is joined especially
System, thickness 20～50mm, in order to heat conduction refractory lining 12 and inner shell 11 to be bonded into one, absorb the machine that both sides produce simultaneously
Tool stress and thermal stress, and the heat of liner 12 is conducted to inner shell 11；Furnace bottom 2, center scum pipe 5 equally by outer steel shell,
Cooling jacket, steel inner shell, heat-conducting daub and heat conduction refractory lining five layers composition.Wherein, outer steel shell, inner shell and, water jacket width
And the material of heat-conducting daub, thickness are all identical with furnace wall 28, the upper and lower consistency of thickness of silicon carbide lining, generally 80～230mm；
Furnace roof 3 is made with heat resisting steel, thickness 20～80mm；Center coal feeding pipe 6, exhaustor 9 are made with heat resisting steel, thickness 30～80mm；
Coal distributor 7 is made with heat-resisting Stainless Steel, and its tapering and size are can be directed to stove by the most coal stream from coal feeding pipe 6
It is as the criterion near wall liner 12；Burner 4 is specifically designed, and makes with special high temperature-resistant alloy.High temperature resistant and can simultaneously spray feed two kinds with
On fluid；The installation number of coal force feed device 8 selects according to shaft 1 internal diameter, and the typically arc length of its force feed plate 18 is less than
1500mm is advisable；Arc force feed plate 18) make of heat-resisting Stainless Steel, its thickness and width select according to furnace chamber internal diameter and height；
Force feed bar 19) to make with heat-resisting Stainless Steel, its length selects according to the stroke of pull and press device 20；Pull and press device selects hydraulic jack, its
Stroke is generally 500～1500mm.
This example coal gasification furnace shaft external diameter 4500mm, upper inner diameter 3700mm, lower inner diameter 3500mm, shaft is high
10000mm, outer steel shell thickness 60mm, inner shell thickness 30mm, water jacket width 50mm, heat-conducting daub thickness 30mm, carborundum
Liner thickness suitable for reading 230mm, end opening thickness 330mm；Furnace bottom 2) silicon carbide lining thickness 330mm, center scum pipe 5 carbonization
Silicon thickness 115mm；The distribution angle beta of distributor 7 is 30 degree, bores high 500mm；Force feed device 8 sum 8 set, its arc force feed plate
18 center arc length 1290mm, wide 400mm, thickness of slab 50mm；Force feed bar 19 diameter 100mm, length 2500mm；Draw
The oil cylinder stroke 1500mm of depressor 20, pressure 30 tons.Totally 8, nozzle 4, is symmetrically installed.
Claims (4)
1. a solid-state bed coal gasification furnace, including shaft (1), furnace bottom (2), furnace roof (3), is characterized in that: shaft (1) uses cylindrical shape, and its inner chamber is set to up big and down small taper, and its cone angle is 1～30 degree；Connect in the bottom of shaft (1) and have flared cone furnace bottom (2)；Connect on the top of shaft (1) and have conical furnace roof (3)；At the periphery of furnace roof (3), ring is provided with at least 2 coals force feed device (8)；Connect in the lower end of center coal feeding pipe (6) and have coal distributor (7).
2. solid-state bed coal gasification furnace as claimed in claim 1 a kind of, is characterized in that: coal force feed device (8) is made up of arc force feed plate (18), the force feed bar (19), the fairlead (21) being set on force feed bar (19) and pull and press device (20) four part being connected to force feed bar (19) top that are connected to arc force feed plate (18) middle part；Arc force feed plate (18) is one section of arc matched with the inner circle of liner (12), is connected with force feed bar (19) in the middle part of it；Force feed bar (19) is connected through fairlead (21) with pull and press device (20)；Pull and press device (20) makes force feed plate (18) produce reciprocating motion along shaft (1) inwall by force feed bar (19).
3. a kind of solid-state bed coal gasification furnace as claimed in claim 1 or 2, it is characterized in that: each arc force feed plate (18) of coal force feed device (8) that ring is arranged on furnace roof (3) periphery, segmentation one annulus abutted against in liner (12) of composition.
4. a kind of solid-state bed coal gasification furnace as claimed in claim 1, is characterized in that: use at least 2 connecting rods (27) that cone coal distributor (7) is connected to the lower end of center coal feeding pipe (6)；The cone angle beta of cone coal distributor (7) is 1～45 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620147207.6U CN205603529U (en) | 2016-02-26 | 2016-02-26 | Solid -state bed coal gasification stove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620147207.6U CN205603529U (en) | 2016-02-26 | 2016-02-26 | Solid -state bed coal gasification stove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205603529U true CN205603529U (en) | 2016-09-28 |
Family
ID=56961713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620147207.6U Withdrawn - After Issue CN205603529U (en) | 2016-02-26 | 2016-02-26 | Solid -state bed coal gasification stove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205603529U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482854A (en) * | 2016-02-26 | 2016-04-13 | 胡光雄 | Solid state bed coal gasifier |
| US11291337B2 (en) | 2018-02-08 | 2022-04-05 | Whirlpool Corporation | Sifter scale attachment for stand mixer |
-
2016
- 2016-02-26 CN CN201620147207.6U patent/CN205603529U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105482854A (en) * | 2016-02-26 | 2016-04-13 | 胡光雄 | Solid state bed coal gasifier |
| CN105482854B (en) * | 2016-02-26 | 2018-07-27 | 胡光雄 | A kind of solid-state bed coal gasification furnace |
| US11291337B2 (en) | 2018-02-08 | 2022-04-05 | Whirlpool Corporation | Sifter scale attachment for stand mixer |
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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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170505 Address after: 651500 Yunnan city of Kunming province Luquan Chongde Industrial Park Patentee after: Kunming Luquan Deli silicon carbide product Co., Ltd. Address before: 651700 Yunnan Province, Kunming city Luquan County Industrial Park Chong de force silicon carbide products Co. Ltd. Patentee before: Hu Guangxiong |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160928 Effective date of abandoning: 20180727 |