CN201678642U - Graded pressure charging and discharging device for pressing gasification furnace coal lock - Google Patents
Graded pressure charging and discharging device for pressing gasification furnace coal lock Download PDFInfo
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- CN201678642U CN201678642U CN2010201409249U CN201020140924U CN201678642U CN 201678642 U CN201678642 U CN 201678642U CN 2010201409249 U CN2010201409249 U CN 2010201409249U CN 201020140924 U CN201020140924 U CN 201020140924U CN 201678642 U CN201678642 U CN 201678642U
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Abstract
The utility model belongs to the technical field of coal gasification and discloses a graded pressure charging and discharging device for pressing gasification furnace coal lock, which comprises a gasification furnace. A gas transmission pipe is arranged on a gasification furnace coal lock. A plurality of sequencing valves connected in parallel are arranged on the gas transmission pipe. Each sequencing valve is connected with a corresponding washing separated buffer through a pipe. Pressure discharging is carried out on the coal gas in the coal lock through the gas transmission pipe. The pressure grade of the washing separated buffer is graded from high to low. An output end of the washing separated buffer is connected with an inlet end of a compressor through a pipe. An output end of the compressor is communicated with a coarse gas main. A sequencing valve is arranged between the gas transmission pipe and the gasification furnace. Due to the adoption of the sequencing valves assembly, the graded pressure charging and discharging of the coal lock are realized. With reasonable and novel design, convenient operation and good energy-saving effect, the device is suitable for several, scores of and even hundreds of gasification furnaces running in parallel.
Description
Technical field
The utility model belongs to the Coal Gasification Technology field, particularly relates to the classification of a kind of pressurized-gasification furnace coal lock and fills pressure relief device.
Background technology
At present, in the pressing gas technical field, except that the coal water slurry vapourizing furnace, other all pressing gas stoves all are provided with the coal lock.It now is the working process of example explanation coal lock with broken coal immovable bed pressurized-gasification furnace, broken coal immovable bed pressurized-gasification furnace is made up of coal lock, ash lock and vapourizing furnace body, the coal lock is positioned at the vapourizing furnace upper part of body, coal is locked down valve is housed, and the ray level gage is installed, can indicate the material level of coal in the coal lock, the coal lock regularly joins coal in the vapourizing furnace body by valve up and down quantitatively; The coal process is as follows: when the coal in the coal lock used up, this moment, coal lock temperature of lower rose, and coal lock valve down cuts out, coal lock pressure release valve is opened, pressure in the coal lock is once reduced to normal pressure, and at this moment coal is locked valve and is opened, and the coal in the coal bunker is locked valve through the coal supply chute by coal and entered in the coal lock; After the coal lock is full of, close coal and lock valve, coal lock equalizer valve is opened, use from the raw gas of coal gas cooling workshop section coal locked pressurising behind certain pressure, finally by the top of gasification furnace pipeline by the raw gas pressurising of top of gasification furnace to the identical pressure of furnace pressure that gasifies; Pressurising finishes, and the coal lock is opening of valves down, and the coal in the coal lock is along with the consumption of coal in the vapourizing furnace slowly falls in the vapourizing furnace, and behind coal lock sky, coal lock valve down cuts out; The pressure release of coal lock, the coal gas in the coal lock is all discharged; Coal is locked opening of valves, new circulation beginning.A broken coal immovable bed pressurized-gasification furnace per hour approximately produces 2000Nm
3About coal lock gas, some enterprise is the torch burning of setting fire, so both contaminate environment caused the wasting of resources again; Some enterprise after coal lock gas is passed through compressor pressurizes, sends into the raw gas system, and coal lock gas is reclaimed, but consumed a large amount of compression works, and, washed unclean because the fluctuation of coal lock tolerance is big, therefore be with dirt in the coal lock gas, cause parts damages such as compressor valve, piston ring.
Summary of the invention
In order to address the above problem, the purpose of this utility model provides the classification of a kind of pressurized-gasification furnace coal lock and fills pressure relief device, and it is simple in structure; novelty reasonable in design, easy and simple to handle, by same group of sequencing valve and pipeline the coal lock is carried out classification pressurising, pressure release; good energy-conserving effect, and be beneficial to environment protection.
For achieving the above object, the utility model has adopted following technical scheme:
Pressure relief device is filled in the classification of a kind of pressurized-gasification furnace coal lock, it includes vapourizing furnace, gasification furnace coal is locked and is provided with gas pipe line, several sequencing valves are installed in parallel on gas pipe line, each sequencing valve is connected with corresponding washing separation buffer device by pipeline, and through gas pipe line pressure release direction, the pressure stage of washing separation buffer device from high to low along the coal gas in the coal lock, washing separation buffer device exit end is connected with the suction port of compressor end by pipeline, and compressor outlet is connected with the raw gas house steward; Be provided with a sequencing valve between gas pipe line and the vapourizing furnace; Utilize above-mentioned sequencing valve group that the coal lock is carried out classification pressurising, pressure release.
Pressure relief device is filled in the classification of described pressurized-gasification furnace coal lock, and its washing separation buffer device can be made up of the washing device, tripping device, the snubber assembly that link to each other successively, or is an one-piece construction formula equipment.
Pressure relief device is filled in the classification of described pressurized-gasification furnace coal lock, its compressor can adopt multiple compressors, multiple compressors links to each other with each pressure stage washing separation buffer device respectively, exit end, entrance end according to internal gas pressure each compressor of order from low to high are connected by pipeline successively, and the last stage compressor exit end is connected with the raw gas house steward.
Pressure relief device is filled in the classification of described pressurized-gasification furnace coal lock, its compressor can adopt at least one multi-stage compressor, at least one multi-stage compressor links to each other with at least two washing separation buffer devices respectively, compressor is connected by pipeline successively, and the last stage compressor exit end is connected with the raw gas house steward.
Pressure relief device is filled in the classification of described pressurized-gasification furnace coal lock, and its last stage compressor exit end can be connected with coal is phase-locked through sequencing valve and pipeline.
Pressure relief device is filled in the classification of described pressurized-gasification furnace coal lock, it is applicable to many vapourizing furnace paired runnings, several sequencing valves that are installed in parallel on described each gasification furnace coal lock gas pipe line, each sequencing valve that is connected with same washing separation buffer device is connected by pipeline.
Pressure relief device is filled in the classification of described pressurized-gasification furnace coal lock, and the pressurized-gasification furnace with solid-state coal that it was suitable for includes broken coal immovable bed pressurized-gasification furnace, broken coal immovable bed pressurization slag gasification furnace, pressurized fluidized bed gasifier.
Owing to adopted technical scheme as mentioned above, the utlity model has following superiority:
Pressure relief device is filled in this pressurized-gasification furnace coal lock classification, it adopts same group of sequencing valve that the coal lock is carried out classification pressurising, pressure release, the used gas of pressurising is the coal gas that pressure release produces, can reduce compressed gas to greatest extent, and gas is compressed under higher pressure, to reduce compression work, reach purpose of energy saving; Owing to fill it up with coal in the coal lock during pressurising, so the gas volume that is produced when used gas volume is less than pressure release during pressurising, unnecessary coal lock gas to the pressure identical with the vapourizing furnace internal pressure, enters the raw gas house steward by compressor pressurizes in the washing separation buffer device; Because coal lock pressurising part of coal lock gas, so the coal lock tolerance that will compress of compressor is less than the gas volume of a pressure release, and coal lock gas majority is in higher pressure, can save a lot of compression works; In addition, owing to adopt the substep pressure release, gas volume is more stable, and washing effect is better, can reduce coal lock band of gas dust quantity, prolongs the work-ing life of parts such as compressor valve, piston ring, saves cost; Pressure relief device is filled in coal lock described in the utility model classification, and is simple in structure, easy and simple to handle, is applicable to many, tens even up to a hundred vapourizing furnace paired runnings, and vapourizing furnace is many more, and energy-saving effect is more obvious, and is beneficial to environment protection, reduces the wasting of resources.
Description of drawings
Fig. 1 is the structural representation of one of the utility model embodiment;
Fig. 2 is two the structural representation of the utility model embodiment;
Among the figure: 1-vapourizing furnace A; 2-sequencing valve f; 3-coal lock A; The 4-gas pipe line; 5-sequencing valve a; 6-sequencing valve b; 7-sequencing valve c; 8-sequencing valve d; 9-sequencing valve e; 10-washing separation buffer device e; 11-compressor e; 12-compressor d; 13-washing separation buffer device d; 14-compressor c; 15-washing separation buffer device c; 16-compressor b; 17-washing separation buffer device b; 18-compressor a; 19-washing separation buffer device a; 20-raw gas house steward; 21-coal lock B; 22-coal lock C; 23-coal lock D; 24-sequencing valve g.
Embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
As Fig. 1, shown in 2, pressure relief device is filled in pressurized-gasification furnace coal lock described in the utility model classification, it includes four vapourizing furnaces, every gasification furnace coal is locked the gas pipe line that is provided with and has been installed in parallel five sequencing valves, each sequencing valve is connected with corresponding washing separation buffer device by pipeline, along the coal gas in the coal lock through gas pipe line pressure release direction, the pressure stage of washing separation buffer device from high to low, washing separation buffer device exit end is connected with the suction port of compressor end by pipeline, exit end according to internal gas pressure each compressor of order from low to high, entrance end is connected by pipeline successively, and the last stage compressor exit end is connected with the raw gas house steward; Be provided with sequencing valve between gas pipe line and the vapourizing furnace; Five sequencing valves that are installed in parallel on described each gasification furnace coal lock gas pipe line, each sequencing valve that is connected with same washing separation buffer device is connected by pipeline; Utilize above-mentioned sequencing valve group that the coal lock is carried out classification pressurising, pressure release.
Be that example describes structure and the working process that pressure relief device is filled in the classification of pressurized-gasification furnace coal lock in detail now with vapourizing furnace A1 coal lock A3.
As shown in Figure 1, described coal lock A3 is provided with gas pipe line 4, sequencing valve a5, sequencing valve b6, sequencing valve c7, sequencing valve d8, sequencing valve e9 is installed in parallel on gas pipe line 4, sequencing valve a5, sequencing valve b6, sequencing valve c7, sequencing valve d8, sequencing valve e9 is the washing separation buffer device a19 by pipeline and 2.5Mpa respectively, 1.9Mpa washing separation buffer device b17,1.3Mpa washing separation buffer device c15,0.7Mpa washing separation buffer device d13,0.1Mpa washing separation buffer device e10 be connected, washing separation buffer device a19, washing separation buffer device b17, washing separation buffer device c15, washing separation buffer device d13, washing separation buffer device e10 exit end is respectively by pipeline and compressor a18, compressor b16, compressor c14, compressor d12, compressor e11 inlet end connects, compressor e, compressor d, compressor c, compressor b, the exit end of compressor a, entrance end is connected by pipeline successively, and the exit end of compressor a is connected with raw gas house steward 20; Be provided with sequencing valve f2 between gas pipe line 4 and the vapourizing furnace 1.
During coal, the sequencing valve group on the gas pipe line of coal lock A is in closing condition to working process: a, coal lock A3 in vapourizing furnace A1;
B, behind coal lock A3 sky, coal lock valve down cuts out, coal lock beginning pressure release, sequencing valve a5 opens, coal gas begins to enter among the washing separation buffer device a19 of 2.5Mpa through pipeline, when coal lock pressure dropped to 2.55MPa, sequencing valve a closed; Sequencing valve b6 opens, and coal gas begins to enter among the washing separation buffer device b17 of 1.9Mpa through pipeline, and when coal lock pressure dropped to 1.95MPa, sequencing valve b closed; Sequencing valve c7 opens, and coal gas begins to enter among the washing separation buffer device c15 of 1.3Mpa through pipeline, and when coal lock pressure dropped to 1.35MPa, sequencing valve c closed; Sequencing valve d8 opens, and coal gas begins to enter among the washing separation buffer device d13 of 0.7Mpa through pipeline, and when coal lock pressure dropped to 0.75MPa, sequencing valve d closed; Sequencing valve e9 opens, and coal gas begins to enter among the washing separation buffer device e10 of 0.1Mpa through pipeline, and when coal lock pressure dropped to 0.1MPa, sequencing valve e closed; The interior pressure of coal lock A3 this moment is reduced to normal pressure, sequencing valve group Close All;
C, coal are locked valve and are opened, and coal in the coal lock is after coal lock A3 fills it up with coal, coal is locked valve and is closed, coal lock beginning pressurising, and sequencing valve d8 opens, 0.7Mpa washing separation buffer device d13 in coal gas begin to enter in the coal lock, when coal lock pressure was raised to 0.65MPa, sequencing valve d closed; Sequencing valve c7 opens, and the coal gas among the washing separation buffer device c15 of 1.3Mpa begins to enter in the coal lock, and when coal lock pressure was raised to 1.25MPa, sequencing valve c closed; Sequencing valve b6 opens, and the coal gas among the washing separation buffer device b17 of 1.9Mpa begins to enter in the coal lock, and when coal lock pressure was raised to 1.85MPa, sequencing valve b closed; Sequencing valve a5 opens, and the coal gas among the washing separation buffer device a19 of 2.5Mpa begins to enter in the coal lock, and when coal lock pressure was raised to 2.45MPa, sequencing valve a closed; Sequencing valve f2 between gas pipe line and the vapourizing furnace opens, and the coal gas in the vapourizing furnace A1 is sent among the coal lock A3, and identical with the gasification furnace pressure to coal lock internal pressure, sequencing valve f closes;
D, pressurising finish, and the coal lock is opening of valves down, coal lock coal in vapourizing furnace, new circulation beginning.
To lock A3 identical for fill pressure leak process and the coal of coal lock B21, coal lock C22, coal lock D23.
Fill in the pressure leak process in the classification of coal lock, make about 1/5 gas volume, be depressured to 0.1Mpa, about 1/5 gas volume, be depressured to 0.7Mpa, about 1/5 gas volume is depressured to 1.3Mpa, about 1/5 gas volume, be depressured to 1.9Mpa, about 1/5 gas volume is depressured to 2.5Mpa, and the gas major part of above-mentioned different pressures level 0.7MPa, 1.3MPa, 1.9MPa, 2.5MPa (account for each pressed gas amount 4/5) fills once more and gets back in the coal lock, recycles.Remaining gas is compressed to the import of a high stage compressor in the washing separation buffer device, finally be pressed among the raw gas house steward, as shown in fig. 1, send among the compressor d12 after remaining gas is compressed by compressor e11 among the washing separation buffer device e10, gas among the compressor d (comprising among the washing separation buffer device e10 of compressed machine e11 compression remaining gas among remaining gas and the washing separation buffer device d12) is sent among the compressor c14 after compression, repeat aforesaid operations, the gas among the final compressing machine a18 is pressed among the raw gas house steward 20.
As shown in Figure 2, the last stage compressor a18 exit end is connected with coal lock A3 through sequencing valve g24 and pipeline.
Fill among the step c of pressure leak process at above-mentioned coal lock A, behind the sequencing valve Close All on the gas pipe line, make the sequencing valve f2 between gas pipe line and the vapourizing furnace be in closing condition, sequencing valve g24 opens, the last stage compressor a18 can send into coal gas among the coal lock A3 by pipeline, identical with the gasification furnace pressure to coal lock internal pressure, remaining gas is pressed among the raw gas house steward 20 among the compressor a18.
Pressure relief device is filled in above-mentioned pressurized-gasification furnace coal lock classification, and its washing separation buffer device can be made up of the washing device, tripping device, the snubber assembly that link to each other successively, or is an one-piece construction formula equipment.
Claims (7)
1. pressure relief device is filled in pressurized-gasification furnace coal lock classification, it includes vapourizing furnace, it is characterized in that: its gasification furnace coal is locked and is provided with gas pipe line, several sequencing valves are installed in parallel on gas pipe line, each sequencing valve is connected with corresponding washing separation buffer device by pipeline, along the coal gas in the coal lock through gas pipe line pressure release direction, the pressure stage of washing separation buffer device from high to low, washing separation buffer device exit end is connected with the suction port of compressor end by pipeline, and compressor outlet is connected with the raw gas house steward; Be provided with a sequencing valve between gas pipe line and the vapourizing furnace; Utilize above-mentioned sequencing valve group that the coal lock is carried out classification pressurising, pressure release.
2. pressure relief device is filled in pressurized-gasification furnace coal lock according to claim 1 classification, it is characterized in that: described washing separation buffer device can be made up of the washing device, tripping device, the snubber assembly that link to each other successively, or is an one-piece construction formula equipment.
3. pressure relief device is filled in pressurized-gasification furnace coal lock according to claim 1 classification, it is characterized in that: described compressor adopts multiple compressors, multiple compressors links to each other with each pressure stage washing separation buffer device respectively, exit end, entrance end according to internal gas pressure each compressor of order from low to high are connected by pipeline successively, and the last stage compressor exit end is connected with the raw gas house steward.
4. pressure relief device is filled in pressurized-gasification furnace coal lock according to claim 1 classification, it is characterized in that: described compressor adopts at least one multi-stage compressor, at least one multi-stage compressor links to each other with at least two washing separation buffer devices respectively, compressor is connected by pipeline successively, and the last stage compressor exit end is connected with the raw gas house steward.
5. fill pressure relief device according to claim 3 or 4 described pressurized-gasification furnace coal lock classifications, it is characterized in that: described the last stage compressor exit end can be connected with coal is phase-locked through sequencing valve and pipeline.
6. fill pressure relief device according to claim 1,2,3 or 4 described pressurized-gasification furnace coal lock classifications, it is characterized in that: it is applicable to many vapourizing furnace paired runnings, several sequencing valves that are installed in parallel on described each gasification furnace coal lock gas pipe line, each sequencing valve that is connected with same washing separation buffer device is connected by pipeline.
7. pressure relief device is filled in pressurized-gasification furnace coal lock according to claim 1 classification, it is characterized in that: the pressurized-gasification furnace with solid-state coal that it was suitable for includes broken coal immovable bed pressurized-gasification furnace, broken coal immovable bed pressurization slag gasification furnace, pressurized fluidized bed gasifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201409249U CN201678642U (en) | 2009-12-03 | 2010-03-02 | Graded pressure charging and discharging device for pressing gasification furnace coal lock |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200910227459.4 | 2009-12-03 | ||
| CN200910227459 | 2009-12-03 | ||
| CN2010201409249U CN201678642U (en) | 2009-12-03 | 2010-03-02 | Graded pressure charging and discharging device for pressing gasification furnace coal lock |
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| CN201678642U true CN201678642U (en) | 2010-12-22 |
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| CN2010201409249U Expired - Fee Related CN201678642U (en) | 2009-12-03 | 2010-03-02 | Graded pressure charging and discharging device for pressing gasification furnace coal lock |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726136A (en) * | 2015-04-01 | 2015-06-24 | 中国天辰工程有限公司 | Crushed coal pressurized gasification furnace coal lock pressure relief gas recovery technique |
| CN108085065A (en) * | 2018-01-22 | 2018-05-29 | 伊犁新天煤化工有限责任公司 | A kind of new pressurized fixed-bed gasification furnace coal lock fills pressure release energy saving buffer and method |
| CN108980883A (en) * | 2018-08-31 | 2018-12-11 | 哈尔滨锅炉厂有限责任公司 | Biomass material lock and working method |
-
2010
- 2010-03-02 CN CN2010201409249U patent/CN201678642U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104726136A (en) * | 2015-04-01 | 2015-06-24 | 中国天辰工程有限公司 | Crushed coal pressurized gasification furnace coal lock pressure relief gas recovery technique |
| CN104726136B (en) * | 2015-04-01 | 2017-10-27 | 中国天辰工程有限公司 | A kind of crushed coal pressurized-gasification furnace coal locks pressure release gas recovery process |
| CN108085065A (en) * | 2018-01-22 | 2018-05-29 | 伊犁新天煤化工有限责任公司 | A kind of new pressurized fixed-bed gasification furnace coal lock fills pressure release energy saving buffer and method |
| CN108980883A (en) * | 2018-08-31 | 2018-12-11 | 哈尔滨锅炉厂有限责任公司 | Biomass material lock and working method |
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Granted publication date: 20101222 Termination date: 20110302 |