CN205528627U - Slurry gasification equipment's clean system of oxygen supply pipe way - Google Patents
Slurry gasification equipment's clean system of oxygen supply pipe way Download PDFInfo
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- CN205528627U CN205528627U CN201620139404.3U CN201620139404U CN205528627U CN 205528627 U CN205528627 U CN 205528627U CN 201620139404 U CN201620139404 U CN 201620139404U CN 205528627 U CN205528627 U CN 205528627U
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Abstract
The utility model discloses a slurry gasification equipment's clean system of oxygen supply pipe way, including the gasifier, the oxygen supply pipe who is linked together with the gasifier says and coal supply thick liquid pipeline to and be used for sweeping oxygen supply pipe and say the high -pressure nitrogen gas source of starching the pipeline with coal supply, characterized by: first high -pressure nitrogen gas source, second high pressure nitrogen gas source and third high pressure nitrogen gas source are drawn together to high pressure nitrogen gas source packet, first high -pressure nitrogen gas source is through first nitrogen gas pipeline connected the oxygen supply pipe way, second nitrogen gas pipeline connected is passed through in second high pressure nitrogen gas source the oxygen supply pipe way, third nitrogen gas pipeline connected is passed through in third high pressure nitrogen gas source coal supply starches the pipeline. This cleanness system can avoid the impurity such as particulate matter among the slurry pipeline to get into the oxygen supply pipe way, avoids stokehold oxygen pipe, valve detonation incident.
Description
Technical field
This utility model belongs to coal slurry gasification device technical field, is specifically related to the oxygen supply pipeline cleaning systems of a kind of coal slurry gasification device.
Background technology
As shown in fig. 1, coal slurry gasification device in prior art, including gasification furnace 1, the oxygen supply pipeline 2 that is connected with gasification furnace 1, for coal slurry pipeline 3 and for purging oxygen supply pipeline 2 and the first elevated pressure nitrogen source of the gas 4 and the second elevated pressure nitrogen source of the gas 5 for coal slurry pipeline 3, wherein oxygen supply pipeline 2 includes oxygen supply main pipeline 21 and the oxygen supply bypass line 22 separated from oxygen supply main pipeline, oxygen supply main pipeline 21 is passed directly into the upper side entrance of gasification furnace 1, and oxygen supply bypass line 22 is passed through the open top of gasification furnace 1；First elevated pressure nitrogen source of the gas 4 accesses oxygen supply pipeline 2 by the first nitrogen pipeline 41, on first nitrogen pipeline, 41 are provided with high-pressure shut-off 7, first nitrogen pipeline 41 is divided into two-way after high pressure ACV Air Cut Valve 7, wherein first via nitrogen pipeline 411 is directly accessed oxygen supply main pipeline 21, and the second road nitrogen pipeline 412 accesses oxygen supply bypass line 22；Second elevated pressure nitrogen source of the gas 5 accesses oxygen supply pipeline 2 and for coal slurry pipeline 3 by the second nitrogen pipeline 51, second nitrogen pipeline 51 includes nitrogen main pipeline 511 and the nitrogen bypass line 512 separated from nitrogen main pipeline and the nitrogen bypass line 513 being connected with for coal slurry pipeline 3, wherein the two ends of nitrogen bypass line 512 are connected with nitrogen main pipeline 511, and nitrogen main pipeline 511, nitrogen bypass line 512 and nitrogen bypass line 513 are equipped with high pressure nitrogen stop valve 7.
The oxygen supply pipeline 2 being connected with gasification furnace 1 in prior art purges as sharing the first elevated pressure nitrogen source of the gas the 4, second elevated pressure nitrogen source of the gas the 5, first nitrogen pipeline 41 and the second nitrogen pipeline 51 with supplying coal slurry pipeline 3, there is coal slurry and scurry into the risk of oxygen supply pipeline 2, simultaneously, it is not provided with accurate filter 7 on oxygen supply pipeline 2, there is the particulate matter in the first nitrogen pipeline 41 and the second nitrogen pipeline 51 and enter the risk in oxygen supply pipeline 2.
The most once there is stokehold oxygen pipe, valve deflagration event in early days, it is therefore desirable to elevated pressure nitrogen source of the gas and nitrogen pipeline are improved.
Utility model content
The impurity such as the purpose of this utility model is to provide the oxygen supply pipeline cleaning systems of a kind of coal slurry gasification device, the particulate matter that these cleaning systems are avoided that in coal slurry pipeline enter oxygen supply pipeline, it is to avoid stokehold oxygen pipe, valve deflagration event.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions: the oxygen supply pipeline cleaning systems of a kind of coal slurry gasification device, including gasification furnace, the oxygen supply pipeline being connected with gasification furnace and confession coal slurry pipeline, and for purging oxygen supply pipeline and the elevated pressure nitrogen source of the gas for coal slurry pipeline, described elevated pressure nitrogen source of the gas includes the first elevated pressure nitrogen source of the gas, second elevated pressure nitrogen source of the gas and the 3rd high pressure source nitrogen, described first elevated pressure nitrogen source of the gas accesses described oxygen supply pipeline by the first nitrogen pipeline, described second elevated pressure nitrogen source of the gas accesses described oxygen supply pipeline by the second nitrogen pipeline, described 3rd high pressure source nitrogen accesses described for coal slurry pipeline by the 3rd nitrogen pipeline.
The high pressure nitrogen purging of oxygen supply pipeline and coal slurry pipeline is drawn respectively from different elevated pressure nitrogen sources of the gas, plays oxygen supply pipeline and the effect for coal slurry pipeline separately purging, will not be by the purgings such as the coal slurry in coal slurry pipeline to oxygen supply pipeline.
Described oxygen supply pipeline includes oxygen supply main pipeline and the oxygen supply bypass line separated from oxygen supply main pipeline, and wherein oxygen supply main pipeline is passed directly into the upper side entrance of gasification furnace, and oxygen supply bypass line is passed through the open top of gasification furnace.
Described first nitrogen pipeline is provided with high-pressure shut-off and accurate filter, described first nitrogen pipeline is divided into two-way after high pressure ACV Air Cut Valve and accurate filter, wherein first via nitrogen pipeline is directly accessed oxygen supply main pipeline, and the second road nitrogen pipeline accesses oxygen supply bypass line.
Described second nitrogen pipeline includes nitrogen main pipeline and the nitrogen bypass line separated from nitrogen main pipeline, the two ends of described nitrogen bypass line are connected with described nitrogen main pipeline, it is sequentially provided with high pressure nitrogen stop valve and accurate filter on described nitrogen main pipeline, described nitrogen bypass line is also sequentially provided with high pressure nitrogen stop valve and accurate filter.
Respectively accurate filter is set after high pressure nitrogen stop valve on the first nitrogen pipeline being connected with oxygen supply pipeline and the second nitrogen pipeline, the particulate matter in nitrogen pipeline effectively can be filtered, it is to avoid particulate matter enters in oxygen supply pipeline.
Described nitrogen main pipeline is divided into two-way nitrogen pipeline after high pressure nitrogen stop valve and accurate filter, and wherein a road nitrogen pipeline accesses oxygen supply main pipeline, and another road nitrogen pipeline accesses oxygen supply bypass line via the second road nitrogen pipeline.
So design, can all play high pressure nitrogen purging effect to multichannel oxygen supply pipeline.
Another road nitrogen pipeline is provided with high pressure nitrogen stop valve.
Described confession coal slurry pipeline is connected with the upper side entrance of described gasification furnace.
It is equipped with high-pressure shut-off on described oxygen supply pipeline, the 3rd nitrogen pipeline.
The design of high-pressure shut-off, it is simple to regulation high pressure nitrogen flow, oxygen flow and the control to high pressure nitrogen, oxygen etc..
This utility model has the advantage that the high pressure nitrogen purging of oxygen supply pipeline and coal slurry pipeline in this system is drawn respectively from different elevated pressure nitrogen sources of the gas, play oxygen supply pipeline and the effect for coal slurry pipeline separately purging, will not be by the purgings such as the coal slurry in coal slurry pipeline to oxygen supply pipeline；Respectively accurate filter is set after high pressure nitrogen stop valve on the first nitrogen pipeline being connected with oxygen supply pipeline and the second nitrogen pipeline, the particulate matter in nitrogen pipeline effectively can be filtered, it is to avoid particulate matter enters in oxygen supply pipeline.
Accompanying drawing explanation
Fig. 1 is coal slurry gasification device in prior art；
Fig. 2 is the oxygen supply pipeline cleaning systems of coal slurry gasification device in detailed description of the invention.
Detailed description of the invention
Embodiment
1
As shown in Figure 2, a kind of oxygen supply pipeline cleaning systems of coal slurry gasification device, including gasification furnace 1, the oxygen supply pipeline 2 being connected with gasification furnace and confession coal slurry pipeline 3, and include the first elevated pressure nitrogen source of the gas 4 for purging oxygen supply pipeline and the elevated pressure nitrogen source of the gas high pressure nitrogen source for coal slurry pipeline, second elevated pressure nitrogen source of the gas 5 and the 3rd high pressure source nitrogen 6, first elevated pressure nitrogen source of the gas 4 accesses oxygen supply pipeline 2 by the first nitrogen pipeline 41, second elevated pressure nitrogen source of the gas 5 accesses oxygen supply pipeline 2 by the second nitrogen pipeline 51, 3rd high pressure source nitrogen 6 is accessed for coal slurry pipeline 3 by the 3rd nitrogen pipeline 61.
Oxygen supply pipeline 2 includes oxygen supply main pipeline 21 and the oxygen supply bypass line 22 separated from oxygen supply main pipeline, and wherein oxygen supply main pipeline 21 is passed directly into the upper side entrance of gasification furnace 1, and oxygen supply bypass line 22 is passed through the open top of gasification furnace 1.
First nitrogen pipeline 41 is provided with high-pressure shut-off 7 and accurate filter 8, first nitrogen pipeline 41 is divided into two-way after high pressure ACV Air Cut Valve 7 and accurate filter 8, wherein first via nitrogen pipeline 411 is directly accessed oxygen supply main pipeline 21, and the second road nitrogen pipeline 412 accesses oxygen supply bypass line 22.
Second nitrogen pipeline 51 includes nitrogen main pipeline 511 and the nitrogen bypass line 512 separated from nitrogen main pipeline, the two ends of nitrogen bypass line 512 are connected with nitrogen main pipeline 511, it is sequentially provided with high pressure nitrogen stop valve 7 and accurate filter 8 on nitrogen main pipeline 511, nitrogen bypass line 512 is also sequentially provided with high pressure nitrogen stop valve 7 and accurate filter 8.
Nitrogen main pipeline 511 is divided into two-way nitrogen pipeline after high pressure nitrogen stop valve and accurate filter, and wherein a road nitrogen pipeline accesses oxygen supply main pipeline 2, and another road nitrogen pipeline accesses oxygen supply bypass line 22 via the second road nitrogen pipeline 412.
Another road nitrogen pipeline is provided with high pressure nitrogen stop valve 7.
It is connected with the upper side entrance of gasification furnace 1 for coal slurry pipeline 3.
It is equipped with high-pressure shut-off 7 on oxygen supply pipeline the 2, the 3rd nitrogen pipeline 61.
This utility model mainly coal gasification apparatus is in the commissioning process that goes into operation, find that oxygen supply pipeline is easily polluted by coal slurry, Given this, for fundamentally guaranteeing the cleanliness factor of oxygen supply pipeline, carry out splitting by oxygen supply pipeline purging and coal slurry pipeline sweeping process and optimize, simultaneously before high pressure nitrogen enters oxygen supply pipeline, add accurate filter, therefore this utility model is mainly added accurate filter two parts by oxygen supply pipeline form with the fractionation of coal slurry pipeline high pressure nitrogen sweeping process and oxygen supply pipeline high pressure nitrogen.Run in oil refining branch's coal hydrogen manufacturing workshop coal slurry gasification device and do not found that relating to oxygen pipeline is contaminated, and can inherently guarantee the safety of oxygen supply pipeline so far.
Finally it should be noted that; above content is only a kind of detailed description of the invention of the present utility model; should not become the restriction to this utility model protection domain; those of ordinary skill in the art is in the case of without departing from the essence of technical solutions of the utility model; to the various simple deformation done by this utility model or equivalent, all should fall in protection domain of the present utility model.
Claims (8)
1. the oxygen supply pipeline cleaning systems of a coal slurry gasification device, including gasification furnace, the oxygen supply pipeline being connected with gasification furnace and confession coal slurry pipeline, and for purging oxygen supply pipeline and the elevated pressure nitrogen source of the gas for coal slurry pipeline, it is characterized in that: described elevated pressure nitrogen source of the gas includes the first elevated pressure nitrogen source of the gas, second elevated pressure nitrogen source of the gas and the 3rd high pressure source nitrogen, described first elevated pressure nitrogen source of the gas accesses described oxygen supply pipeline by the first nitrogen pipeline, described second elevated pressure nitrogen source of the gas accesses described oxygen supply pipeline by the second nitrogen pipeline, described 3rd high pressure source nitrogen accesses described for coal slurry pipeline by the 3rd nitrogen pipeline.
The oxygen supply pipeline cleaning systems of coal slurry gasification device the most according to claim 1, it is characterized in that: described oxygen supply pipeline includes oxygen supply main pipeline and the oxygen supply bypass line separated from oxygen supply main pipeline, wherein oxygen supply main pipeline is passed directly into the upper side entrance of gasification furnace, and oxygen supply bypass line is passed through the open top of gasification furnace.
The oxygen supply pipeline cleaning systems of coal slurry gasification device the most according to claim 2, it is characterized in that: described first nitrogen pipeline is provided with high-pressure shut-off and accurate filter, described first nitrogen pipeline is divided into two-way after high pressure ACV Air Cut Valve and accurate filter, wherein first via nitrogen pipeline is directly accessed oxygen supply main pipeline, and the second road nitrogen pipeline accesses oxygen supply bypass line.
The oxygen supply pipeline cleaning systems of coal slurry gasification device the most according to claim 3, it is characterized in that: described second nitrogen pipeline includes nitrogen main pipeline and the nitrogen bypass line separated from nitrogen main pipeline, the two ends of described nitrogen bypass line are connected with described nitrogen main pipeline, it is sequentially provided with high pressure nitrogen stop valve and accurate filter on described nitrogen main pipeline, described nitrogen bypass line is also sequentially provided with high pressure nitrogen stop valve and accurate filter.
The oxygen supply pipeline cleaning systems of coal slurry gasification device the most according to claim 4, it is characterized in that: described nitrogen main pipeline is divided into two-way nitrogen pipeline after high pressure nitrogen stop valve and accurate filter, wherein a road nitrogen pipeline accesses oxygen supply main pipeline, and another road nitrogen pipeline accesses oxygen supply bypass line via the second road nitrogen pipeline.
The oxygen supply pipeline cleaning systems of coal slurry gasification device the most according to claim 5, is characterized in that: another road nitrogen pipeline is provided with high pressure nitrogen stop valve.
The oxygen supply pipeline cleaning systems of coal slurry gasification device the most according to claim 1, is characterized in that: described confession coal slurry pipeline is connected with the upper side entrance of described gasification furnace.
The oxygen supply pipeline cleaning systems of coal slurry gasification device the most according to claim 1, is characterized in that: be equipped with high-pressure shut-off on described oxygen supply pipeline, the 3rd nitrogen pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620139404.3U CN205528627U (en) | 2016-02-25 | 2016-02-25 | Slurry gasification equipment's clean system of oxygen supply pipe way |
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| CN201620139404.3U CN205528627U (en) | 2016-02-25 | 2016-02-25 | Slurry gasification equipment's clean system of oxygen supply pipe way |
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| CN205528627U true CN205528627U (en) | 2016-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298991A (en) * | 2017-07-13 | 2017-10-27 | 中国神华能源股份有限公司 | The method for controlling gasification furnace parking |
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2016
- 2016-02-25 CN CN201620139404.3U patent/CN205528627U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107298991A (en) * | 2017-07-13 | 2017-10-27 | 中国神华能源股份有限公司 | The method for controlling gasification furnace parking |
| CN107298991B (en) * | 2017-07-13 | 2020-06-05 | 中国神华能源股份有限公司 | Method for controlling gasification furnace shutdown |
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