CN203764430U - Pulverized coal gasification high-temperature-resistant soot blowing nozzle and Shell coal gasifier cross blowback device comprising same - Google Patents
Pulverized coal gasification high-temperature-resistant soot blowing nozzle and Shell coal gasifier cross blowback device comprising same Download PDFInfo
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- CN203764430U CN203764430U CN201320775998.3U CN201320775998U CN203764430U CN 203764430 U CN203764430 U CN 203764430U CN 201320775998 U CN201320775998 U CN 201320775998U CN 203764430 U CN203764430 U CN 203764430U
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- head body
- shower nozzle
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- blowback
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- 239000003245 coal Substances 0.000 title claims abstract description 45
- 238000002309 gasification Methods 0.000 title claims abstract description 27
- 238000007664 blowing Methods 0.000 title claims abstract description 23
- 239000004071 soot Substances 0.000 title abstract description 15
- 239000000725 suspension Substances 0.000 claims description 13
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 239000000463 material Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 4
- 239000000428 dust Substances 0.000 description 11
- 230000008676 import Effects 0.000 description 6
- 239000000498 cooling water Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000013517 stratification Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
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Abstract
The utility model relates to a pulverized coal gasification high-temperature-resistant soot blowing nozzle and a Shell coal gasifier cross blowback device comprising the nozzles. The pulverized coal gasification high-temperature-resistant soot blowing nozzle comprises a cylindrical nozzle body, wherein a central through hole is formed in the axial center of the nozzle body, a small circumferential hole communicated with the central through hole is formed in the radial direction of the nozzle body, and an inclined hole I communicated with the central through hole is further formed in the nozzle body. The Shell coal gasifier cross blowback device comprises a blowback gas inlet header and at least four sets of soot blowing nozzles I located on a cross hanger respectively, wherein the soot blowing nozzles I are respectively communicated with the blowback gas inlet header, and the soot blowing nozzles I are the pulverized coal gasification high-temperature-resistant soot blowing nozzles. The Shell coal gasifier cross blowback device manufactured with the nozzles does not need to be cooled with water in the using process, meanwhile, the problem that because blowback holes of an original blowback device nozzle are prone to being blocked, blowback of a blowback device is out of order is solved, and it is guaranteed that the gasifier can stably operate for a long time.
Description
Technical field
The utility model relates to high temperature resistant grey shower nozzle and the shell coal gasifier cross blowback device containing this shower nozzle of blowing of a kind of coal gasification.
Background technology
The import of shell coal gasifier superheat section is four layers of concentric ring tubular construction, center is blocked with cover plate in innermost layer center, do not allow gas directly pass through from center, but by between the concentric endless tube of every layer, at right angle setting, with cross suspension bracket be support, and flying dust can be accumulated on cross suspension bracket, finally stop up superheat section import, so flying dust blowing-down device must be installed, the flying dust blowing-down device using is at present the cross soot blower with water-cooled, as shown in Fig. 9-Figure 10.From service condition, there is following problem:
1, this soot blower forms the dead band of blowing down at the import and export of cooling water pipe, and purge gas cannot blow to, and easily causes the accumulation of flying dust, particularly in the low place of gas flow rate.
2, this soot blower is provided with and blows grey point less than cover plate place below cross suspension bracket, and flying dust is on the cover board accumulated, and finally stops up import.
3, this soot blower uses water-cooled, and after having grown service time, gas causes leakage to washing away of water pipe, has influence on the operation of whole coal gasifier.
4, this soot blower is manufactured, complexity is installed, and workload is large.
5, the blowback air pore volume of this soot blower easily stops up, and the blowback of blowback device was lost efficacy.
Summary of the invention
The technical problems to be solved in the utility model is: provide a kind of coal gasification high temperature resistant grey shower nozzle and the shell coal gasifier cross blowback device containing this shower nozzle of blowing, the shell coal gasifier cross blowback device that adopts this shower nozzle to make, not only use procedure does not need by water cooling, solved former blowback device shower nozzle blowback air pore volume easily stops up simultaneously, the problem that the blowback of blowback device was lost efficacy, avoid causing system shutdown because gasification furnace superheat section dust stratification stops up, to ensure gasification furnace operation steady in a long-term.
The technical scheme solving the problems of the technologies described above is: a kind of coal gasification is high temperature resistant blows grey shower nozzle, comprise cylindrical head body, described head body axial centre has a central through hole, described head body radially has the circumferential aperture connecting with central through hole, also has the inclined hole I connecting with central through hole in described head body.
1-4 the circumferential aperture that is positioned at same circumference taking center line, as one group, arranges circumferential aperture N group in head body, and the value of N is 1-30, and described inclined hole I quantity is M, and the value of M is 1-10.
Described inclined hole I center line and the angle α of head body axis are 35-60 °, and in same group of described circumferential aperture, the angle of circumference β of adjacent 2 circumferential apertures is 40-60 °.
The length L 1 of described head body is 75-300mm, the diameter D1 of described head body is 30-70mm, the diameter D2 of described central through hole is 6-18mm, described inclined hole I and the circumferentially diameter of aperture are 3-6mm, described circumferential aperture is taking 3 as one group, and the distance L 2 between adjacent 2 groups of circumferential apertures is 3-8mm.
Described inclined hole I center line and the angle α of head body axis are 37 °, distance L 2 between described adjacent 2 groups of circumferential apertures is 4mm, in 3 circumferential apertures, the angle of circumference β of adjacent 2 circumferential apertures is 45 ° on the same group, and described inclined hole I and the circumferentially diameter of aperture are 3.5mm; The length L 1 of described head body is 80mm, and the diameter D1 of head body is 30mm, and the diameter D2 of described central through hole is 8mm.
The material of described head body is steel 310S.
Another technical scheme of the present invention is: a kind of shell coal gasifier cross blowback device, comprise that blowback air intake header and at least 4 groups that lay respectively on cross suspension bracket blow grey shower nozzle I, blow grey shower nozzle I and be communicated with blowback air intake header respectively, described to blow grey shower nozzle I be that coal gasification of the present invention is high temperature resistant blows grey shower nozzle.
This blowback device is also provided with and is positioned at the grey shower nozzle II of blowing that the employing steel 310S of cover plate top, cross suspension bracket below makes, blowing grey shower nozzle II is communicated with blowback air intake header, the described grey shower nozzle II of blowing comprises tubaeform head body, in described tubaeform head body, have blind hole, on tubaeform head body sidewall, uniform circumference is provided with X the inclined hole II connecting with blind hole, the angle γ of the center line of inclined hole II and blind hole center line is 20-50 °, and the value of X is 4-30.
The diameter of described inclined hole II is 3-6mm, and the diameter D4 of described blind hole is 30-40mm, and the height of described tubaeform head body is 100-250mm, and outside diameter D3 is 50-80mm, and end diameter is than the large 1-2mm of blind hole diameter.
The described grey shower nozzle I of blowing is arranged horizontally, and described blows grey shower nozzle II for vertically arranging.
The coal gasification of the utility model is high temperature resistant blows grey shower nozzle and has the technique effect of following excellent benefit:
1. high temperature resistant, use procedure does not need to use water cooling.The utility model shower nozzle is to adopt solid 310S material round steel, by preparing in corresponding position perforate, this shower nozzle gasification furnace up to more than 1700 high temperature of spending under still within the scope of allowable temperature.Therefore the utility model does not in use need, by water cooling, just not need to arrange cooling water water inlet pipe and water outlet pipe, has simplified structure and the installation process of blowback device; Avoided the pipe leakage problem that may cause washing away of water pipe because of gas simultaneously.
2. solved existing blowback device shower nozzle blowback air pore volume and easily stopped up, the problem that the blowback of blowback device was lost efficacy.It is on circumferential distance circumference horizontal plane, respectively to open the circumferential aperture of 1 ￠ 3.5mm with 45 ° and 135 ° of directions that the utility model blows the good structure of grey shower nozzle I, open the circumferential aperture of 1 ￠ 3.5mm in 90 ° of directions of horizontal plane, become the angle of 37 ° to open 1 ￠ 3.5mm inclined hole I I with blowback device center line, open the central through hole of the ￠ 8mm connecting with above-mentioned 3 circumferential apertures and inclined hole I I at blowback device center line, be that the utility model shower nozzle is made up of the perforate of 5 different directions altogether, the synthesis gas of its surrounding is produced to strong perturbation action, purging scope is increased to whole inner space, avoid occurring blowback dead angle, thereby reach the object that prevents dust stratification.So not only also avoid the powder ash of device interior directly to fall into and blown in grey hole, stopped up the problem of blowback pore; Once because after the ash of molten molten state cools down, the cinder that gets lodged in aperture becomes extremely hard, even if adopt boring to be also difficult to get through.
The beneficial effect that the novel blowback utensil of a kind of shell coal gasifier cross of the utility model has is: the dead band that does not exist flying dust to blow down, and that flying dust effect is blown down in the top of cross suspension bracket is better, has increased the ash that blows on cover plate, has avoided the dust stratification on cover plate; Because blowback hole is all horizontal direction, blowback hole can not be stopped up; Cancel water-cooling structure, made, installed simple.
Below, blow grey shower nozzle and be further described containing the technical characterictic of the shell coal gasifier cross blowback device of this shower nozzle the coal gasification of the utility model is high temperature resistant in conjunction with the accompanying drawings and embodiments.
Brief description of the drawings
The coal gasification of Fig. 1-Fig. 3: the utility model embodiment mono-is high temperature resistant blows grey nozzle structure schematic diagram.
Fig. 1: left view, the A-A cutaway view of Fig. 2: Fig. 1, the B-B cutaway view of Fig. 3: Fig. 2.
The coal gasification of Fig. 4: the utility model embodiment bis-is high temperature resistant blows grey nozzle structure schematic diagram.
Fig. 5-Fig. 6: the novel blowback device of the shell coal gasifier cross structural representation of the utility model.
Fig. 5: top view, Fig. 6: the main cutaway view of looking.
Fig. 7-Fig. 8: the novel blowback device of shell coal gasifier cross of the utility model blow grey shower nozzle II structural representation.
Fig. 7: the main C-C cutaway view of looking cutaway view, Fig. 8: Fig. 7.
Fig. 9-Figure 10: existing shell coal gasifier cross blowback device structural representation.
Fig. 9: top view, Figure 10: the main cutaway view of looking.
In Fig. 1-Fig. 8: 1-blowback air intake header, 2-blows grey shower nozzle I, the cylindrical head body of 21-, 22-central through hole, 23-inclined hole I I, the circumferential aperture of 24-, the circumferential aperture I of 241-, the circumferential aperture II of 242-, the circumferential aperture III of 243-, four layers of concentric endless tube of 3-superheat section, 4-blows grey shower nozzle II, head body that 41-is tubaeform, 42-blind hole, 43-inclined hole II, 5-cross suspension bracket, 6-below cover plate.
In Fig. 9-Figure 10: 11-blowback air intake header, 12-blows grey shower nozzle, four layers of concentric endless tube of 13-superheat section, 14-coolant outlet, 15-cooling water inlet, the import of 16-blowback air.
In Fig. 2, Fig. 4, Fig. 7, arrow represents airintake direction.
Detailed description of the invention
Embodiment 1: a kind of coal gasification is high temperature resistant blows grey shower nozzle, as shown in Figure 1-Figure 3, comprise cylindrical head body 21, described head body axial centre has a central through hole 22, described head body radially has the N connecting with central through hole and organizes circumferential aperture 24, N=1, is positioned at 24 as one groups of 3 circumferential apertures of same circumference taking center line, in 3 circumferential apertures, the angle of circumference β of adjacent 2 circumferential apertures is 45 ° on the same group.In described head body, also have M the inclined hole I 23 connecting with central through hole, M=1, described inclined hole I center line and the angle α of head body axis are 35-45 °, described inclined hole I and the circumferentially diameter of aperture are 3-6mm.The material of described head body is steel 310S.
In embodiment 1, from left view, 3 circumferential apertures are respectively the circumferential aperture I 241 that is positioned at 45 ° of positions, are positioned at the circumferential aperture II 242 and the circumferential aperture III 243 that is positioned at 135 ° of positions of 90 ° of positions, and inclined hole I is also positioned at 90 ° of positions.
Embodiment 2: a kind of coal gasification is high temperature resistant blows grey shower nozzle, as shown in Figure 4, comprise cylindrical head body 21, described head body axial centre has a central through hole 22, described head body radially has the N connecting with central through hole and organizes circumferential aperture 24, and N=3 is positioned at 24 as one groups of 3 circumferential apertures of same circumference taking center line, distance L 2 between adjacent 2 groups of circumferential apertures is 4mm, and in 3 circumferential apertures, the angle of circumference β of adjacent 2 circumferential apertures is 45 ° on the same group.In described head body, also have M the inclined hole I 23 connecting with central through hole, M=3, described inclined hole I center line and the angle α of head body axis are 37 °, described inclined hole I and the circumferentially diameter of aperture are 3.5mm; The length L 1 of described head body is 80mm, and the diameter D1 of head body is 30mm, and the diameter D2 of described central through hole is 8mm.The material of described head body is steel 310S.
As the one conversion of the utility model embodiment 1-embodiment 2, the group of the circumferential aperture arranging in described head body is counted N and can be determined according to actual conditions, the value of General N is 1-30, be preferably 1-15, in every group, circumferentially the number of aperture can be determined as required, generally taking 1-4 as 1 group.In same group of circumferential aperture, the angle of circumference β of adjacent 2 circumferential apertures can suitably adjust, and is generally 40-60 °, and the circumferential distance of adjacent 2 circumferential apertures can equate also can be unequal.Distance L 2 between adjacent 2 groups of circumferential apertures also can be adjusted as required, is generally 3-8mm.The size of described head body is definite according to needs of production, and the length L 1 of general head body is 75-300mm, and the diameter D1 of described head body is 30-70mm.The diameter D2 of described central through hole also can suitably change, and is generally 6-18mm.The angle α of the number M of described inclined hole I and inclined hole I center line and head body axis also can be definite according to actual conditions, and the value of general M is 1-10, and α is 35-60 °.
As another conversion of the utility model embodiment 1-embodiment 2, described head body outer wall is arranged to stepped, and large one end, one end is little, and outside diameter is than the large 5-15mm of end diameter, and inclined hole I and circumferentially aperture are positioned at large end section.
Embodiment 3: the novel blowback device of a kind of shell coal gasifier cross, as shown in Fig. 5-Fig. 6, comprise that blowback air intake header 1 blows grey shower nozzle I 2 with 4 groups that lay respectively on cross suspension bracket, blow grey shower nozzle I and be communicated with blowback air intake header respectively, described to blow grey shower nozzle I be that coal gasification described in embodiment 1-embodiment 2 is high temperature resistant blows grey shower nozzle.
This blowback device is also provided with and is positioned at the grey shower nozzle II 4 of blowing that the employing steel 310S of cover plate top, cross suspension bracket below makes, blowing grey shower nozzle II is communicated with blowback air intake header 1, the described grey shower nozzle II of blowing comprises tubaeform head body 41, in described tubaeform head body, have blind hole 42, on tubaeform head body sidewall, uniform circumference is provided with X the inclined hole II 43 connecting with blind hole, the angle γ of the center line of inclined hole II and blind hole center line is 26 °, X=12.The diameter of described inclined hole II is 3.5mm, and the diameter D4 of described blind hole is 38mm, and the height H 1 of described tubaeform head body is 150mm, and the D3 of outside diameter is 56 mm, and end diameter is than the large 1-2mm of blind hole diameter (referring to Fig. 7-Fig. 8).
The described grey shower nozzle I of blowing is arranged horizontally, and described blows grey shower nozzle II for vertically arranging.
In the utility model embodiment 3, the described blind-hole bottom that blows grey shower nozzle II to the height H 2 of tubaeform head body large end face is 10-20mm, is preferably 10mm.The described inclined hole II top center line that blows grey shower nozzle II to the height H 3 of tubaeform head body large end face is 30-50mm, is preferably 37mm.As the one conversion of the utility model embodiment 3, the number X of the center line of described inclined hole II and the angle γ of blind hole center line and inclined hole II can be according to actual conditions adjustment, and general γ is 20-50 °, and the value of X is 4-30.The diameter of described inclined hole II, the diameter of blind hole and tubaeform head body size all can suitably change as required, the diameter of general inclined hole II is 3-6mm, the diameter of blind hole is 30-40mm, and the height of tubaeform head body is 100-250mm, and outside diameter is 50-80mm.
The novel blowback device structure of improvement cost utility model on the shell coal gasifier cross blowback device basis of existing employing water-cooled, can realize in the following manner: remove original 4 soot blower shower nozzles, respectively add a level in the blowback air exit of original soot blower shower nozzle and blow grey shower nozzle (blowing grey shower nozzle I), the direction leaning forward with level is blown down the dust stratification on cross suspension bracket.The import and export of former cooling water pipe blocks.Cooling water water inlet pipe and water outlet pipe between gasification furnace internals and shell is connected to form loop, the mistake cause thermal damage of anti-antipriming pipe.Below cross suspension bracket, above cover plate, increase by one and blow grey shower nozzle (blowing grey shower nozzle II).
Claims (10)
1. a coal gasification is high temperature resistant blows grey shower nozzle, it is characterized in that: comprise cylindrical head body (21), described head body axial centre has a central through hole (22), described head body radially has the circumferential aperture (24) connecting with central through hole, also has the inclined hole I (23) connecting with central through hole in described head body.
2. coal gasification according to claim 1 is high temperature resistant blows grey shower nozzle, it is characterized in that: 1-4 the circumferential aperture (24) that is positioned at same circumference taking center line is as one group, in head body, circumferential aperture N group is set, the value of N is 1-30, described inclined hole I (3) quantity is M, and the value of M is 1-10.
3. coal gasification according to claim 2 is high temperature resistant blows grey shower nozzle, it is characterized in that: described inclined hole I center line and the angle α of head body axis are 35-60 °, in same group of described circumferential aperture, the angle of circumference β of adjacent 2 circumferential apertures is 40-60 °.
4. coal gasification according to claim 3 is high temperature resistant blows grey shower nozzle, it is characterized in that: the length L 1 of described head body is 75-300mm, the diameter D1 of described head body is 30-70mm, the diameter D2 of described central through hole is 6-18mm, described inclined hole I and the circumferentially diameter of aperture are 3-6mm, described circumferential aperture is taking 3 as one group, and the distance L 2 between adjacent 2 groups of circumferential apertures is 3-8mm.
5. coal gasification according to claim 4 is high temperature resistant blows grey shower nozzle, it is characterized in that: described inclined hole I center line and the angle α of head body axis are 37 °, distance L 2 between described adjacent 2 groups of circumferential apertures is 4mm, in 3 circumferential apertures, the angle of circumference β of adjacent 2 circumferential apertures is 45 ° on the same group, and described inclined hole I and the circumferentially diameter of aperture are 3.5mm; The length L 1 of described head body is 80mm, and the diameter D1 of head body is 30mm, and the diameter D2 of described central through hole is 8mm.
6. blow grey shower nozzle according to the coal gasification described in claim 1-5 any one is high temperature resistant, it is characterized in that: the material of described head body is steel 310S.
7. a shell coal gasifier cross blowback device, at least 4 groups that comprise blowback air intake header (1) and lay respectively on cross suspension bracket are blown grey shower nozzle I (2), blow grey shower nozzle I and be communicated with blowback air intake header respectively, it is characterized in that: described to blow grey shower nozzle I be that coal gasification as described in claim 1-6 any one is high temperature resistant blows grey shower nozzle.
8. shell coal gasifier cross blowback device according to claim 7, it is characterized in that: this blowback device be also provided be positioned at that the employing steel 310S of cover plate top, cross suspension bracket below makes blow grey shower nozzle II (4), blowing grey shower nozzle II is communicated with blowback air intake header (1), the described grey shower nozzle II of blowing comprises tubaeform head body (41), in described tubaeform head body, have blind hole (42), on tubaeform head body sidewall, uniform circumference is provided with X the inclined hole II (43) connecting with blind hole, the angle γ of the center line of inclined hole II and blind hole center line is 20-50 °, the value of X is 4-30.
9. shell coal gasifier cross blowback device according to claim 8, it is characterized in that: the diameter of described inclined hole II is 3-6mm, the diameter D4 of described blind hole is 30-40mm, the height of described tubaeform head body is 100-250mm, outside diameter D3 is 50-80mm, and end diameter is than the large 1-2mm of blind hole diameter.
10. shell coal gasifier cross blowback device according to claim 8 or claim 9, is characterized in that: the described grey shower nozzle I of blowing is arranged horizontally, and described blows grey shower nozzle II for vertically arranging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775998.3U CN203764430U (en) | 2013-11-29 | 2013-11-29 | Pulverized coal gasification high-temperature-resistant soot blowing nozzle and Shell coal gasifier cross blowback device comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775998.3U CN203764430U (en) | 2013-11-29 | 2013-11-29 | Pulverized coal gasification high-temperature-resistant soot blowing nozzle and Shell coal gasifier cross blowback device comprising same |
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| Publication Number | Publication Date |
|---|---|
| CN203764430U true CN203764430U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320775998.3U Expired - Lifetime CN203764430U (en) | 2013-11-29 | 2013-11-29 | Pulverized coal gasification high-temperature-resistant soot blowing nozzle and Shell coal gasifier cross blowback device comprising same |
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| CN (1) | CN203764430U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642531A (en) * | 2013-11-29 | 2014-03-19 | 柳州化工股份有限公司 | Cross blowback device of shell coal gasifier and fabrication method thereof |
-
2013
- 2013-11-29 CN CN201320775998.3U patent/CN203764430U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103642531A (en) * | 2013-11-29 | 2014-03-19 | 柳州化工股份有限公司 | Cross blowback device of shell coal gasifier and fabrication method thereof |
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