CN109181777B - Gasification furnace burner protecting cover based on IGCC - Google Patents

Gasification furnace burner protecting cover based on IGCC Download PDF

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Publication number
CN109181777B
CN109181777B CN201811309569.0A CN201811309569A CN109181777B CN 109181777 B CN109181777 B CN 109181777B CN 201811309569 A CN201811309569 A CN 201811309569A CN 109181777 B CN109181777 B CN 109181777B
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China
Prior art keywords
pipeline
layer
cover body
pipe
layer pipeline
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Application number
CN201811309569.0A
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Chinese (zh)
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CN109181777A (en
Inventor
张克
秦建明
李振伟
王相平
李显韩
白国威
李宗旸
吴平
李志强
步新战
孙国平
王超
文子强
王赞宇
刘国华
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Huaneng Tianjin Coal Gasification Power Generation Co Ltd
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Huaneng Tianjin Coal Gasification Power Generation Co Ltd
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Priority to CN201811309569.0A priority Critical patent/CN109181777B/en
Publication of CN109181777A publication Critical patent/CN109181777A/en
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Classifications

    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/46Gasification of granular or pulverulent flues in suspension
    • C10J3/48Apparatus; Plants
    • C10J3/50Fuel charging devices
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J3/00Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
    • C10J3/72Other features
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2200/00Details of gasification apparatus
    • C10J2200/15Details of feeding means
    • C10J2200/152Nozzles or lances for introducing gas, liquids or suspensions
    • CCHEMISTRY; METALLURGY
    • C10PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10JPRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
    • C10J2300/00Details of gasification processes
    • C10J2300/12Heating the gasifier
    • C10J2300/1223Heating the gasifier by burners
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/16Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
    • Y02E20/18Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]

Abstract

The invention discloses a burner protecting cover based on an IGCC gasifier, which comprises a cover body and a circulating pipe, wherein the top of the cover body is provided with the circulating pipe, and the circulating pipe is tightly attached and fixed with the cover body; the inside of the cover body is provided with a pipeline mechanism, the pipeline mechanism is composed of a first layer pipeline, a second layer pipeline, a third layer pipeline, a fourth layer pipeline, a fifth layer pipeline, a sixth layer pipeline, a seventh layer pipeline and an eighth layer pipeline, the first layer pipeline, the second layer pipeline, the third layer pipeline, the fourth layer pipeline, the fifth layer pipeline, the sixth layer pipeline, the seventh layer pipeline and the eighth layer pipeline are all fixedly connected with the cover body through screws, the side surface of the cover body is provided with a shunt pipe, the shunt pipe is vertically arranged on the side wall of the cover body and is fixedly connected with the cover body through screws, the top of the circulation pipe is provided with a water inlet pipe and a water outlet pipe which are symmetrically distributed, and the structure has the advantages of simple installation process, capability of being used for calculating the temperature in a furnace, excellent cooling effect and the like.

Description

Gasification furnace burner protecting cover based on IGCC
Technical Field
The invention relates to the technical field of burner protecting covers, in particular to an IGCC-based gasifier burner protecting cover.
Background
The two-stage dry pulverized coal pressurized gasification furnace is provided with a stage of 4 pulverized coal nozzles, and a stage of 2 pulverized coal nozzles. In order to protect the normal operation of the head of the burner, prevent dust accumulation and slag formation and better organize airflow, an inward concave water cooling cover is arranged at the position of the water cooling wall penetrating through the burner, and meanwhile, the temperature in the furnace can be calculated according to the temperature rise of cooling water of the water cooling cover, and operators can judge the reaction condition in the furnace through the information and other information.
The invention of the patent number CN203878120U discloses a two-stage gasifier burner cover which comprises a burner cover water wall pipe assembly, a burner cover connecting device and a cooling water inlet and outlet, and is characterized in that the burner cover water wall pipe assembly comprises an annular collecting box, and 10 branch pipe loops are led out of the annular collecting box.
However, the analysis shows that the existing burner protecting cover based on the IGCC gasifier has the following defects; the method comprises the following steps: the installation mode is tedious, causes great difficulty for staff, two: the temperature in the furnace cannot be fed back; and thirdly,: the cooling effect is not good, and there is the diffuse slag risk.
Disclosure of Invention
Therefore, in order to solve the above-mentioned shortcomings, the present invention provides a burner protecting cover for an IGCC gasification furnace, which has the advantages of simple installation process, capability of calculating the temperature in the furnace, excellent cooling effect, etc.
The invention is realized in such a way that the structure is based on the IGCC gasifier nozzle protection cover, and comprises a cover body and a circulating pipe, wherein the circulating pipe is arranged at the top of the cover body and is tightly attached and fixed with the cover body; the inner part of the cover body is provided with a pipeline mechanism, the pipeline mechanism consists of a first layer pipeline, a second layer pipeline, a third layer pipeline, a fourth layer pipeline, a fifth layer pipeline, a sixth layer pipeline, a seventh layer pipeline and an eighth layer pipeline, the first layer pipeline, the second layer pipeline, the third layer pipeline, the fourth layer pipeline, the fifth layer pipeline, the sixth layer pipeline, the seventh layer pipeline and the eighth layer pipeline are fixedly connected with the cover body through screws, the side surface of the cover body is provided with a shunt pipe which is vertically arranged on the side wall of the cover body and fixedly connected with the cover body through screws, the top of the circulation pipe is provided with a water inlet pipe and a water outlet pipe which are symmetrically distributed, the water inlet pipe and the water outlet pipe are obliquely arranged at the edge position of the circulation pipe and are communicated with the circulation pipe, the side surface of the cover body is provided with a flange plate, and the flange plate is welded with the cover body;
the first layer pipeline, the second layer pipeline, the third layer pipeline, the fourth layer pipeline, the fifth layer pipeline, the sixth layer pipeline, the seventh layer pipeline and the eighth layer pipeline are all communicated with the shunt pipes, and cooling water is uniformly shunted into each pipeline of the pipeline mechanism through the shunt pipes; the inside of the cover body is provided with the silicone grease filling layer, the silicone grease filling layer is adhered with the cover body through glue, the silicone grease material has extremely strong heat conduction capacity, and the heat of the pipeline mechanism can be effectively conducted out through the silicone grease filling layer arranged on the inner side of the cover body, so that the heat dissipation capacity is improved.
Further, the opposite side of the shunt tube is provided with a water collecting tube which is vertically arranged on the side wall of the cover body and is fixedly connected with the cover body through screws, the bottom end of the water collecting tube is communicated with the pipeline mechanism, the top end of the water collecting tube is communicated with the circulating tube and the drainage group, and cooling water is discharged from the water collecting tube after flowing into the pipeline mechanism from the shunt tube.
The invention provides the burner protecting cover based on the IGCC gasifier through improvement, and has the following advantages compared with the existing burner protecting cover based on the IGCC gasifier: the method has the advantages of simple installation process, capability of being used for calculating the temperature in the furnace, excellent cooling effect and the like, and is specifically embodied as follows:
advantage 1: the inside of the cover body is provided with the silicone grease filling layer, the silicone grease filling layer is adhered with the cover body through glue, the silicone grease material has extremely strong heat conduction capacity, and the heat of the pipeline mechanism can be effectively conducted out through the silicone grease filling layer arranged on the inner side of the cover body, so that the heat dissipation capacity is improved.
Advantage 2: the opposite side of shunt tubes is equipped with the collector tube, and the collector tube is the lateral wall that sets up at the cover body perpendicularly to pass through screw fixed connection with the cover body, the bottom and the pipeline mechanism intercommunication of collector tube, the top and circulating pipe, the drainage group intercommunication of collector tube, cooling water is discharged by the collector tube after flowing into pipeline mechanism from the shunt tubes.
Advantage 3: the first layer pipeline, the second layer pipeline, the third layer pipeline, the fourth layer pipeline, the fifth layer pipeline, the sixth layer pipeline, the seventh layer pipeline and the eighth layer pipeline are all communicated with the shunt pipes, and cooling water is evenly shunted into each pipeline of the pipeline mechanism through the shunt pipes.
Drawings
FIG. 1 is a schematic diagram of the structure of a burner protecting cover of an IGCC-based gasifier.
Number shown in the figure: the water inlet pipe 2, the circulating pipe 3, the flange 4, the pipeline mechanism 5, the first layer pipeline 501, the second layer pipeline 502, the third layer pipeline 503, the fourth layer pipeline 504, the fifth layer pipeline 505, the sixth layer pipeline 506, the seventh layer pipeline 507, the eighth layer pipeline 508, the silicone grease filling layer 6, the drain pipe 7, the shunt pipe 8 and the water collecting pipe 9.
Detailed Description
The following detailed description of the present invention will be provided with reference to fig. 1, in which the technical solutions of the embodiments of the present invention are clearly and completely described, and it is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention. Furthermore, the terms "first," "second," "third," "upper," "lower," "left," "right," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless explicitly stated and defined otherwise, the terms "connected", "connected" and "connected" should be interpreted broadly, and for example, may be fixedly connected, detachably connected, or integrally connected; the mechanical connection and the electrical connection can be adopted; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The invention, by modification to the IGCC gasifier burner shield provided herein, as shown in fig. 1, may be implemented as follows; the device comprises a cover body 1 and a circulating pipe 3, wherein the circulating pipe 3 is arranged at the top of the cover body 1, and the circulating pipe 3 is tightly attached and fixed with the cover body 1; the inside of the cover body 1 is provided with a pipeline mechanism 5, the pipeline mechanism 5 is composed of a first layer pipeline 501, a second layer pipeline 502, a third layer pipeline 503, a fourth layer pipeline 504, a fifth layer pipeline 505, a sixth layer pipeline 506, a seventh layer pipeline 507 and an eighth layer pipeline 508, the first layer pipeline 501, the second layer pipeline 502, the third layer pipeline 503, the fourth layer pipeline 504, the fifth layer pipeline 505, the sixth layer pipeline 506, the seventh layer pipeline 507 and the eighth layer pipeline 508 are fixedly connected with the cover body 1 through screws, the side surface of the cover body 1 is provided with a shunt pipe 8, the shunt pipe 8 is vertically arranged on the side wall of the cover body 1 and fixedly connected with the cover body 1 through screws, the top of the circulation pipe 3 is provided with a water inlet pipe 2 and a water outlet pipe 7 which are symmetrically distributed, the water inlet pipe 2 and the water outlet pipe 7 are obliquely arranged on the edge position of the circulation pipe 3 and are communicated with the circulation pipe 3, the side surface of the cover body 1 is provided with a flange 4, the flange 4 is welded with the cover body 1, and the pipeline mechanism 5 adopts12Cr1MoV steel pipe.
The inside of the cover body 1 is provided with the silicone grease filling layer 6, the silicone grease filling layer 6 is adhered with the cover body 1 through glue, the silicone grease material has extremely strong heat conduction capacity, and the heat of the pipeline mechanism 5 can be effectively conducted away through the silicone grease filling layer 6 arranged on the inner side of the cover body 1, so that the heat dissipation capacity is improved.
The opposite side of shunt tubes 8 is equipped with collector tube 9, and collector tube 9 is the perpendicular lateral wall that sets up at the cover body 1 to pass through screw fixed connection with the cover body 1, the bottom and the pipeline mechanism 5 intercommunication of collector tube 9, the top and circulating pipe 3, the drainage group 7 intercommunication of collector tube 9, cooling water is discharged by collector tube 9 after flowing into pipeline mechanism 5 from shunt tubes 8.
The first layer pipeline 501, the second layer pipeline 502, the third layer pipeline 503, the fourth layer pipeline 504, the fifth layer pipeline 505, the sixth layer pipeline 506, the seventh layer pipeline 507 and the eighth layer pipeline 508 are all communicated with the shunt pipes 8, and cooling water is evenly distributed into all the pipelines of the pipeline mechanism 5 through the shunt pipes 8.
The working method based on the IGCC gasifier nozzle protecting cover comprises the following steps: firstly, a worker installs a burner protecting cover of an IGCC gasification furnace on the burner of the gasification furnace through a flange 4, then a cooling water supply pipe is communicated with a water inlet pipe 2, cooling water enters a circulating pipe 3 through the water inlet pipe 2, then flows into a shunt pipe 8 through the circulating pipe 3, is evenly shunted into each stage of pipelines of a pipeline mechanism 5 through the shunt pipe 8, a first layer of pipeline 501, a second layer of pipeline 502, a third layer of pipeline 503, a fourth layer of pipeline 504, a fifth layer of pipeline 505, a sixth layer of pipeline 506, a seventh layer of pipeline 507 and an eighth layer of pipeline 508 of the pipeline mechanism 5 are tightly adhered to the burner, heat outside the burner can be conducted into each stage of pipelines of the pipeline mechanism 5 in the working process and carried away by the cooling water flowing in the pipeline mechanism 5, the cooling water achieves a cooling effect, and the cooling water flows through the pipeline mechanism 5, is converged into a water collecting pipe 9 and is discharged into the circulating pipe 3 through the water collecting pipe 9 and is discharged through the drain pipe 7 at one side of the circulating pipe 3.
To sum up; compared with the existing burner protecting cover based on the IGCC gasifier, the burner protecting cover based on the IGCC gasifier has the advantages of simple installation process, capability of calculating the temperature in the gasifier, excellent cooling effect and the like. After transformation, the shortest service cycle of the gasifier burner cover can reach 8000 hours, and the long-period operation of the gasifier can be effectively ensured.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic methods defined herein may be practiced in other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the methods and novel features disclosed herein.

Claims (3)

1. Based on IGCC gasifier nozzle safety cover, including the cover body (1) and circulating pipe (3), its characterized in that: the top of the cover body (1) is provided with a circulating pipe (3), and the circulating pipe (3) is tightly attached and fixed with the cover body (1); the novel circulating pipe is characterized in that a pipeline mechanism (5) is arranged in the cover body (1), the pipeline mechanism (5) is composed of a first layer pipeline (501), a second layer pipeline (502), a third layer pipeline (503), a fourth layer pipeline (504), a fifth layer pipeline (505), a sixth layer pipeline (506), a seventh layer pipeline (507) and an eighth layer pipeline (508), the first layer pipeline (501), the second layer pipeline (502), the third layer pipeline (503), the fourth layer pipeline (504), the fifth layer pipeline (505), the sixth layer pipeline (506), the seventh layer pipeline (507) and the eighth layer pipeline (508) are fixedly connected with the cover body (1) through screws, a shunt pipe (8) is arranged on the side face of the cover body (1), the shunt pipe (8) is vertically arranged on the side wall of the cover body (1) and is fixedly connected with the cover body (1) through screws, a water inlet pipe (2) and a water outlet pipe (7) which are symmetrically distributed are arranged at the top of the cover body (3), the water inlet pipe (2) and the water outlet pipe (7) are arranged at the inclined positions of the cover body (3), the circulating pipe (7) are arranged at the inclined positions of the cover body (3), and are communicated with the flange (4) and the flange (4) are arranged on the side face of the cover body;
the first layer pipeline (501), the second layer pipeline (502), the third layer pipeline (503), the fourth layer pipeline (504), the fifth layer pipeline (505), the sixth layer pipeline (506), the seventh layer pipeline (507) and the eighth layer pipeline (508) are all communicated with the shunt pipe (8); the inside of the cover body (1) is provided with a silicone grease filling layer (6), and the silicone grease filling layer (6) is adhered with the cover body (1) through glue.
2. The IGCC gasifier burner protecting cover based on claim 1, wherein: the opposite side of the shunt tube (8) is provided with a water collecting tube (9), and the water collecting tube (9) is vertically arranged on the side wall of the cover body (1) and is fixedly connected with the cover body (1) through screws.
3. An IGCC gasifier burner cap based operating method in accordance with claim 2, wherein: firstly, staff installs the burner protection cover based on the IGCC gasification furnace on the burner of the gasification furnace through a flange plate (4), then a cooling water supply pipe is communicated with a water inlet pipe (2), cooling water enters into a circulating pipe (3) through the water inlet pipe (2), then flows into a shunt pipe (8) through the circulating pipe (3), is evenly shunted into all levels of pipelines of a pipeline mechanism (5) through the shunt pipe (8), a first layer of pipeline (501), a second layer of pipeline (502), a third layer of pipeline (503), a fourth layer of pipeline (504), a fifth layer of pipeline (505), a sixth layer of pipeline (506), a seventh layer of pipeline (507) and an eighth layer of pipeline (508) of the pipeline mechanism (5) are all closely attached to the burner, heat outside the burner in the working process can be conducted into all levels of the pipeline mechanism (5) and carried away by the cooling water flowing in the pipeline mechanism (5), the cooling water flows through the pipeline mechanism (5) and then is converged into a water collecting pipe (9), is discharged into the circulating pipe (3) through the circulating pipe (7) at one side of the water outlet pipe (3), and the cooling effect is achieved.
CN201811309569.0A 2018-11-05 2018-11-05 Gasification furnace burner protecting cover based on IGCC Active CN109181777B (en)

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CN109181777B true CN109181777B (en) 2024-03-29

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10281414A (en) * 1997-04-04 1998-10-23 Mitsubishi Heavy Ind Ltd Burner for gasification furnace
CN104099135A (en) * 2014-07-22 2014-10-15 中国华能集团清洁能源技术研究院有限公司 High-temperature resistant burner shield for gasification furnace
CN203981302U (en) * 2014-08-13 2014-12-03 肇庆市金龙宝电子有限公司 The temperature sensor that a kind of automobile water-cooling refrigeratory is used
CN204079920U (en) * 2014-08-25 2015-01-07 内蒙古黄陶勒盖煤炭有限责任公司世林化工分公司 A kind of nozzle cover of two-part dry powder gasification furnace
CN205170775U (en) * 2015-10-15 2016-04-20 陕西宏远燃气设备有限责任公司 Reborner nozzle cooling system
CN105694983A (en) * 2014-11-25 2016-06-22 航天长征化学工程股份有限公司 Spiral burner cover
CN107965706A (en) * 2017-12-23 2018-04-27 河南智盈电子技术有限公司 A kind of stage lamp of high efficiency and heat radiation
CN207303640U (en) * 2017-08-16 2018-05-01 嘉兴汉世激光科技有限公司 A kind of water cooling system of laser based on semiconductor heat-dissipating piece
CN209081821U (en) * 2018-11-05 2019-07-09 华能(天津)煤气化发电有限公司 Based on IGCC gasifier nozzle protective cover

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10281414A (en) * 1997-04-04 1998-10-23 Mitsubishi Heavy Ind Ltd Burner for gasification furnace
CN104099135A (en) * 2014-07-22 2014-10-15 中国华能集团清洁能源技术研究院有限公司 High-temperature resistant burner shield for gasification furnace
CN203981302U (en) * 2014-08-13 2014-12-03 肇庆市金龙宝电子有限公司 The temperature sensor that a kind of automobile water-cooling refrigeratory is used
CN204079920U (en) * 2014-08-25 2015-01-07 内蒙古黄陶勒盖煤炭有限责任公司世林化工分公司 A kind of nozzle cover of two-part dry powder gasification furnace
CN105694983A (en) * 2014-11-25 2016-06-22 航天长征化学工程股份有限公司 Spiral burner cover
CN205170775U (en) * 2015-10-15 2016-04-20 陕西宏远燃气设备有限责任公司 Reborner nozzle cooling system
CN207303640U (en) * 2017-08-16 2018-05-01 嘉兴汉世激光科技有限公司 A kind of water cooling system of laser based on semiconductor heat-dissipating piece
CN107965706A (en) * 2017-12-23 2018-04-27 河南智盈电子技术有限公司 A kind of stage lamp of high efficiency and heat radiation
CN209081821U (en) * 2018-11-05 2019-07-09 华能(天津)煤气化发电有限公司 Based on IGCC gasifier nozzle protective cover

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