阅读说明：本技术 带吹灰的辐射废锅显热回收装置 (Sensible heat recovery device with soot blowing function for radiation waste boiler ) 是由 管清亮 李位位 张建胜 袁苹 于 2019-10-31 设计创作，主要内容包括：本发明公开了带吹灰的辐射废锅显热回收装置,包括：壳体和辐射废锅；辐射废锅包括：水冷壁、水冷屏组、冷却水分配总管、汽水分配总管和吹灰件,水冷壁设在辐射废锅内且水冷壁限定出气渣通道；水冷屏组包括多个水冷屏,多个水冷屏设在气渣通道内且沿其周向间隔分布,每个水冷屏的上方均设有与其上端连通的上集箱,每个水冷屏的下方均设有与其下端连通的下集箱；冷却水分配总管穿过壳体与每个下集箱连通；汽水分配总管穿过壳体与每个上集箱连通；吹灰件包括吹灰器和吹灰管,吹灰器包括依次相连的吹灰气总管和吹灰气分配环管,吹灰管与吹灰气分配环管连通,吹灰管的至少一部分与水冷屏贴附,吹灰管上沿其外周向以及高度方向间隔设有多个吹灰孔。(The invention discloses a radiation waste boiler sensible heat recovery device with soot blowing, which comprises: a shell and a radiation waste pot; the radiation waste pot comprises: the water cooling wall is arranged in the radiation waste boiler and defines a gas slag channel; the water-cooling screen group comprises a plurality of water-cooling screens, the water-cooling screens are arranged in the gas slag channel and are distributed at intervals along the circumferential direction of the gas slag channel, an upper header communicated with the upper end of each water-cooling screen is arranged above each water-cooling screen, and a lower header communicated with the lower end of each water-cooling screen is arranged below each water-cooling screen; the cooling water distribution main pipe penetrates through the shell and is communicated with each lower header; the steam-water distribution header pipe penetrates through the shell and is communicated with each upper header; the soot blowing part comprises a soot blower and a soot blowing pipe, the soot blower comprises a soot blowing main pipe and a soot blowing distribution ring pipe which are sequentially connected, the soot blowing pipe is communicated with the soot blowing distribution ring pipe, at least one part of the soot blowing pipe is attached to a water-cooling screen, and a plurality of soot blowing holes are formed in the soot blowing pipe along the peripheral direction and the height direction of the soot blowing pipe at intervals.)

1. The utility model provides a radiation waste pot sensible heat recovery device that ash was blown in area which characterized in that includes:

the top of the shell is provided with a crude synthesis gas inlet;

radiation waste pot, the radiation waste pot is established in the casing, the top of radiation waste pot with crude synthesis gas entry intercommunication, the shrink of radiation waste pot bottom forms the export of heat transfer back synthetic gas, and the radiation waste pot includes:

the water-cooled wall is arranged in the radiation waste boiler and defines a gas-slag channel;

the water cooling screen group comprises a plurality of water cooling screens, the water cooling screens are arranged in the gas slag channel and are distributed at intervals along the circumferential direction of the gas slag channel, each water cooling screen extends towards the central shaft direction of the gas slag channel from the water cooling wall, an upper header communicated with the upper end of each water cooling screen is arranged above each water cooling screen, and a lower header communicated with the lower end of each water cooling screen is arranged below each water cooling screen;

a cooling water distribution header in communication with each of the lower headers through the housing;

the steam-water distribution header pipe penetrates through the shell and is communicated with each upper header;

the soot blower comprises a soot blower main pipe and a soot blower distribution ring pipe which are sequentially connected, the soot blower main pipe penetrates through the shell, the soot blower pipe is communicated with the soot blower distribution ring pipe, the soot blower pipe is arranged along the height direction of the water-cooling screen, at least one part of the soot blower pipe is attached to the water-cooling screen, the lower end of the soot blower pipe is arranged on the lower header, and a plurality of soot blowing holes are formed in the soot blower pipe along the peripheral direction and the height direction of the soot blower pipe at intervals.

2. The apparatus of claim 1, wherein each of said water screens has at least one of said lance tubes, and wherein each of said lance tubes is in communication with said lance gas distribution annulus.

3. The apparatus of claim 1 or 2, wherein the lance tube and the water screen are arranged in a radial direction of the radiant boiler.

4. The apparatus of claim 3, wherein the lance tube is connected to the heat exchange tube of the water screen remote from the center of the radiant fryer through fins, or the lance tube is connected between the heat exchange tubes of the water screen through fins.

5. The device according to claim 1, wherein 2-6 soot blowing holes are formed in each layer of the soot blowing pipe at intervals in the circumferential direction.

6. The device as claimed in claim 5, wherein the included angle between the axis of the soot blowing hole and the extension direction of the water screen is 20-60 degrees.

7. The apparatus of claim 1, wherein the ash blow manifold and the soda distribution manifold pass through the housing at the same location.

8. The apparatus of claim 1, wherein the sootblower is in communication with the sootblower distribution collar via a sootblower connection tube.

9. The apparatus of claim 8, wherein the steam-water distribution header is in communication with the upper header through a steam-water connection pipe, and the steam-water connection pipe is attached to the ash-blowing connection pipe and passes through the radiant fryer side wall through the same position.

10. The apparatus of claim 1, wherein the sootblower is further provided with a control valve thereon.

Technical Field

The invention belongs to the field of boilers, and particularly relates to a radiation waste boiler sensible heat recovery device with soot blowing.

Background

The entrained flow coal gasification technology is a leading technology and a key technology of the modern coal chemical industry and is divided into a water chilling process and a waste boiler process according to a synthetic gas cooling mode. The entrained-flow coal gasification technology of the waste boiler process adopts a waste heat boiler to recover sensible heat of high-temperature synthesis gas, and high-quality steam is produced as a byproduct, so that the entrained-flow coal gasification technology has the advantages of high comprehensive heat efficiency and small chilled water demand. During the operation of the gasification furnace, the gasification fly ash is easy to adhere to the heating surface of the waste heat boiler, so that the heat transfer efficiency is reduced, and the synthetic gas at the outlet of the waste heat boiler is over-heated. The heating surface of the waste boiler of the gasification furnace is swept, so that slag bonding, dust deposition and corrosion of the heating surface can be prevented and reduced, and the safe and efficient operation of the waste boiler of the gasification furnace is guaranteed.

The ash blowing conditions of the waste boiler of the gasification furnace are harsh, and the waste boiler of the gasification furnace is in a high-pressure environment, so that the concentration of combustible gas is high, and the requirement on the sealing property is high. The radiant heating surface has large ash accumulation area, but the space in the high-pressure steel shell of the gasification furnace is narrow, and the arrangement of the soot blower is difficult. The gas temperature near the radiant heating surface is as high as 1400 ℃, and the service life of the soot blowing pipe is affected if the soot blowing pipe is directly exposed. The technical difficulty of soot blowing of waste boilers of gasification furnaces is high, and the traditional soot blowing device of the coal-fired boiler is not applicable.

Therefore, the existing soot blowing device suitable for the radiation waste boiler in the gasification furnace is to be researched.

Disclosure of Invention

The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, one object of the present invention is to provide a sensible heat recovery device with soot blowing for a radiant waste boiler, which can reduce the soot deposition on the water screen inside the radiant waste boiler, thereby ensuring the heat exchange efficiency of the synthesis gas.

In one aspect of the invention, the invention provides a radiant waste boiler sensible heat recovery device with soot blowing. According to an embodiment of the invention, the radiant waste boiler sensible heat recovery device with soot blowing comprises:

the top of the shell is provided with a crude synthesis gas inlet;

radiation waste pot, the radiation waste pot is established in the casing, the top of radiation waste pot with crude synthesis gas entry intercommunication, the shrink of radiation waste pot bottom forms the export of heat transfer back synthetic gas, and the radiation waste pot includes:

the water-cooled wall is arranged in the radiation waste boiler and defines a gas-slag channel;

the water cooling screen group comprises a plurality of water cooling screens, the water cooling screens are arranged in the gas slag channel and are distributed at intervals along the circumferential direction of the gas slag channel, each water cooling screen extends towards the central shaft direction of the gas slag channel from the water cooling wall, an upper header communicated with the upper end of each water cooling screen is arranged above each water cooling screen, and a lower header communicated with the lower end of each water cooling screen is arranged below each water cooling screen;

a cooling water distribution header in communication with each of the lower headers through the housing;

the steam-water distribution header pipe penetrates through the shell and is communicated with each upper header;

the soot blower comprises a soot blower main pipe and a soot blower distribution ring pipe which are sequentially connected, the soot blower main pipe penetrates through the shell, the soot blower pipe is communicated with the soot blower distribution ring pipe, the soot blower pipe is arranged along the height direction of the water-cooling screen, at least one part of the soot blower pipe is attached to the water-cooling screen, the lower end of the soot blower pipe is arranged on the lower header, and a plurality of soot blowing holes are formed in the soot blower pipe along the peripheral direction and the height direction of the soot blower pipe at intervals.

According to the radiation waste boiler sensible heat recovery device with soot blowing, provided by the embodiment of the invention, the soot blowing pipe is arranged in the radiation waste boiler in an attaching manner through the water-cooling screen, the soot blowing pipe is provided with the soot blowing holes in the peripheral direction and the height direction, the soot blowing gas is supplied through the soot blowing device and is sprayed out at a high speed through the soot blowing holes, so that the water-cooling screen can be swept in a large area, ash particles adhered to the water-cooling screen are stripped off, the ash particles fall into the bottom of the radiation waste boiler under the action of gravity and airflow, the soot blowing dead angle is small, meanwhile, the water-cooling screen can be used as a cooler of the soot blowing pipe just by the attaching arrangement of the soot blowing pipe and the water-cooling screen, the working temperature of the soot blowing pipe can be reduced, the service life of the soot blowing pipe is prolonged, and in addition, the steam water after heat exchange of the. Therefore, the sensible heat recovery device of the radiation waste boiler can reduce the dust deposition on the water-cooling screen in the radiation waste boiler, thereby ensuring the heat exchange efficiency of the synthesis gas.

In addition, the radiant waste boiler sensible heat recovery device with soot blowing according to the above embodiment of the present invention may further have the following additional technical features:

in some embodiments of the present invention, each of the water screens is provided with at least one of the lance tubes, and each of the lance tubes is in communication with the lance gas distribution annulus. Therefore, the dust deposition of the water-cooling screen in the radiation waste boiler can be reduced, and the heat exchange efficiency of the synthesis gas is improved.

In some embodiments of the invention, the lance tube and the water screen are arranged in a radial direction of the radiant boiler. Therefore, the dust deposition of the water-cooling screen in the radiation waste boiler can be reduced, and the heat exchange efficiency of the synthesis gas is improved.

In some embodiments of the invention, the soot blowing pipe is connected with the heat exchange pipe on the water-cooling screen far away from the center of the radiation waste boiler through fins, or the soot blowing pipe can be connected between the heat exchange pipes of the water-cooling screen through fins. Therefore, the dust deposition of the water-cooling screen in the radiation waste boiler can be reduced, and the heat exchange efficiency of the synthesis gas is improved.

In some embodiments of the invention, 2-6 soot blowing holes are arranged on the outer circumference of each layer of the soot blowing pipe at intervals. Therefore, the dust deposition of the water-cooling screen in the radiation waste boiler can be reduced, and the heat exchange efficiency of the synthesis gas is improved.

In some embodiments of the invention, the included angle between the axis of the soot blowing hole and the extending direction of the water-cooling screen is 20-60 degrees. Therefore, the dust deposition of the water-cooling screen in the radiation waste boiler can be reduced, and the heat exchange efficiency of the synthesis gas is improved.

In some embodiments of the invention, the sootblowing main and the steam-water distribution main pass through the housing at the same location. Thus, the number of open holes of the equipment is reduced, and the equipment is simpler and more convenient to manufacture, install and maintain.

In some embodiments of the present invention, the sootblower tube communicates with the sootblower distribution collar through a sootblower connection tube.

In some embodiments of the invention, the steam-water distribution header pipe is communicated with the upper header through a steam-water connecting pipe, and the steam-water connecting pipe and the ash blowing connecting pipe are attached to and penetrate through the side wall of the radiant waste boiler through the same position. Thus, the number of open holes of the equipment is reduced, and the equipment is simpler and more convenient to manufacture, install and maintain.

In some embodiments of the invention, the soot blower is further provided with a control valve.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a partial configuration of a radiant fryer sensible heat recovery device with soot blowing according to one embodiment of the present invention;

FIG. 2 is a schematic diagram of the partial construction of the water cooling screen and the soot blower of the radiant fryer sensible heat recovery device with soot blowing according to one embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a water cooled screen and lance tube in a radiant fryer heat recovery device with soot blowing according to yet another embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a water cooled screen and lance tube in a radiant fryer sensible heat recovery device with soot blowing according to yet another embodiment of the present invention;

FIG. 5 is a schematic view of a portion of a water cooled screen and a lance tube in a radiant fryer heat recovery device with sootblowing according to yet another embodiment of the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In one aspect of the invention, a radiant scrap pot heat recovery device with chilling is provided. According to an embodiment of the present invention, referring to fig. 1, the heat recovery device includes a housing 100 and a radiation waste pan 200.

According to an embodiment of the invention, referring to fig. 1, the top of the shell 100 is provided with a raw synthesis gas inlet 101. Specifically, the raw synthesis gas supplied through the raw synthesis gas inlet is the high-temperature raw synthesis gas obtained by the gasification furnace.

According to an embodiment of the present invention, referring to fig. 1, a radiation waste pan 200 is disposed in a housing 100, and a top end of the radiation waste pan 200 is communicated with a raw syngas inlet 101, and a bottom end of the radiation waste pan 200 is shrunk to form a heat-exchanged syngas outlet 102.

According to an embodiment of the present invention, referring to fig. 1, the radiation waste pan 200 includes: the system comprises a water wall 21, a water screen group 22, a cooling water distribution header 23, a steam-water distribution header 24 and a soot blower 25.

According to one embodiment of the present invention, referring to FIG. 1, a water wall 21 is provided within a radiant boiler 200 and the water wall 21 defines a gas slag channel 20. Specifically, the obtained raw synthesis gas enters the radiation waste boiler 200 downwards to exchange heat with the water wall 21, so that the sensible heat of the raw synthesis gas is recovered.

According to another embodiment of the present invention, the water screen group 22 comprises a plurality of water screens 221, the plurality of water screens 221 are arranged in the gas slag channel 20 and are circumferentially distributed at intervals, further, referring to fig. 1 and 2, each water screen 221 extends from the water wall 21 to the central axis direction of the gas slag channel 20, an upper header 222 communicated with the upper end of each water screen 221 is arranged above each water screen 221, and a lower header 223 communicated with the lower end of each water screen 221 is arranged below each water screen 221. Specifically, each water-cooling screen 221 includes a plurality of heat exchange tubes, and two adjacent heat exchange tubes are connected by fins. It should be noted that, a person skilled in the art can select the number of the water-cooling screens according to actual needs as long as the heat exchange conditions can be met and the gas slag channel is not blocked.

According to still another embodiment of the present invention, referring to fig. 1, the cooling water distribution header 23 communicates with each of the lower headers 223 through the case 100, that is, the lower headers 223 of the plurality of water screens 221 in the radiation disuse pan 200 share one set of cooling water pipes, through which the heat exchange pipes of the water screens 221 are supplied with cooling water.

According to another embodiment of the present invention, referring to fig. 1, the steam-water distribution header 24 passes through the shell 100 to communicate with each upper header 222, that is, the upper headers 222 of the water-cooling screens 221 in the radiation waste boiler 200 share one set of steam-water pipes, and the steam-water generated after the heat exchange of the cooling water in the heat exchange pipes of the water-cooling screens 221 is discharged out of the radiation waste boiler 200 through the steam-water distribution header 24, so as to increase the amount of the steam byproduct. Preferably, the steam-water distribution header 24 is communicated with the upper header 222 through a steam-water connecting pipe 241, that is, the steam-water connecting pipes 241 correspond to the water-cooling screens 221 one by one, and the steam water after heat exchange in each water-cooling screen 221 is collected into the steam-water distribution header 24 through the steam-water connecting pipe 241 and then discharged outside.

According to still another embodiment of the present invention, referring to fig. 1 and 2, the soot blowing member 25 includes a soot blower 251 and a soot blowing tube 252, the soot blower 251 includes a soot blowing gas main 2511 and a soot blowing gas distribution collar 2512 connected in series, the soot blowing gas main 2511 passes through the housing 100, and the soot blowing tube 252 communicates with the soot blowing gas distribution collar 2512, the soot blowing tube 252 is arranged along a height direction of the water-cooled screen 221, at least a portion of the soot blowing tube 252 is attached to the water-cooled screen 221, a lower end of the soot blowing tube 252 is provided on the lower header 223, and a plurality of soot blowing holes 2521 (refer to fig. 3 and 4) are provided on the soot blowing tube 252 along an outer circumference thereof and at intervals in the height direction. The inventor finds that the water-cooling screen 221 in the radiation waste boiler 200 is attached with the ash blowing pipe 252, the ash blowing pipe 252 is provided with ash blowing holes 2521 in the peripheral direction and the height direction, ash blowing gas is supplied through the ash blower 251, the water-cooling screen 221 can be swept in a large area, the ash blowing gas is supplied through the ash blower 251, the ash blowing gas is ejected at a high speed through the ash blowing holes 2521, the water-cooling screen 221 can be swept in a large area, ash particles adhered to the water-cooling screen 221 are peeled off, the ash particles fall into the bottom of the radiation waste boiler 200 under the action of gravity and air flow, the ash blowing dead angle is small, and the water-cooling screen 221 can be used as a cooler of the ash blowing pipe 252 just because the ash blowing pipe 252 and the water-cooling screen 221 are attached, so that the working temperature of the ash blowing pipe 252 can be reduced, and the service life of the ash blowing. It should be noted that "at least a portion of the lance tube 252 is attached to the water screen 221" means that the lance tube 252 is located next to the water screen 221 to purge the ash deposits on the water screen 221 and to cool the lance tube 252 using the water screen 221. Specifically, the soot blowing gas header 2511 may be connected to a high-pressure nitrogen gas pipeline, or may be connected to a high-pressure raw gas pipeline or a high-pressure steam pipeline, that is, the employed soot blowing gas may be high-pressure nitrogen gas, high-pressure raw gas or high-pressure steam.

Further, the relationship between the positions and the number of the lance tubes 252 and the water-cooled screens 221 is not particularly limited as long as the lance tubes 252 can purge the soot on the water-cooled screens 22, according to an embodiment of the present invention, each water-cooled screen 221 is provided with at least one lance tube 252, each lance tube 252 is communicated with the lance gas distribution collar 2512, preferably, the lance tubes 252 are communicated with the lance gas distribution collar 2512 through the lance gas connection tubes 2513, that is, a plurality of lance tubes 252 share one lance blower 251, the lance gas is supplied through the lance gas main tube 2511 and the lance gas distribution collar 2512, and is supplied into each lance tube 252 through the plurality of lance gas connection tubes 2512, and the lance gas main tube 2511 and the steam water distribution main tube 24 pass through the casing 100 at the same position, the steam water connection tubes 241 and the lance gas connection tubes 2512 are attached to and pass through the side walls of the radiant waste pan 200 at the same position, thus, the number of open holes of the equipment is reduced, and the equipment is simpler and more convenient to manufacture, install and maintain. While the lance tube 252 and the water screen 22 are arranged in the radial direction of the radiant cooker 200, for example, referring to fig. 3, the lance tube 252 may be connected between the heat exchange tubes 224 forming the water screen 22 by fins 2522. For example, referring again to FIG. 4, the lance tube 252 is connected to the heat exchange tube 224 of the water screen 22 remote from the center of the radiant fryer 200 by fins 2522, i.e., the lance tube 252 is disposed at the end of the water screen 22 near the water wall 21.

Further, a control valve 2514 is provided on the soot blower 251, and continuous soot blowing or soot blowing at a certain period can be performed through the control valve 2514, specifically, referring to fig. 2, the control valve 2514 is provided on the soot blowing gas header 2511, and when the control valve 2514 is opened, soot blowing gas is supplied to all the soot blowing tubes 252, that is, all the soot blowing tubes 252 operate simultaneously, and the water-cooled screen 221 on which the soot blowing tubes 252 are disposed is purged. Referring to fig. 5, the control valve 2514 is disposed on the soot-blowing gas connection pipes 2513, that is, each soot-blowing gas connection pipe 2513 is provided with a control valve 2514, when the control valve 2514 on a certain soot-blowing gas connection pipe 2513 is opened, only the soot-blowing pipe 252 connected to the soot-blowing gas connection pipe 2513 is operated, and the sequential soot-blowing operation of each group of soot-blowing pipes 252 is controlled by sequentially opening and closing the control valves 2514 on the different soot-blowing connection pipes 2513.

Further, referring to fig. 3 and 4, 2 to 6 soot blowing holes 2521 are arranged on the outer circumference of each layer of the soot blowing pipe 252 at intervals, so that the soot blowing pipe can be used for sweeping a large area of the water screen, the soot blowing dead angle is small, preferably, the included angle theta between the axis of the soot blowing hole 2521 and the extension direction of the water screen 221 is 20 to 60 degrees, and the soot blowing effect is improved.

According to the radiation waste boiler sensible heat recovery device with soot blowing, provided by the embodiment of the invention, the soot blowing pipe is arranged in the radiation waste boiler in an attaching manner through the water-cooling screen, the soot blowing pipe is provided with the soot blowing holes in the peripheral direction and the height direction, the soot blowing gas is supplied through the soot blowing device and is sprayed out at a high speed through the soot blowing holes, so that the water-cooling screen can be swept in a large area, ash particles adhered to the water-cooling screen are stripped off, the ash particles fall into the bottom of the radiation waste boiler under the action of gravity and airflow, the soot blowing dead angle is small, meanwhile, the water-cooling screen can be used as a cooler of the soot blowing pipe just by the attaching arrangement of the soot blowing pipe and the water-cooling screen, the working temperature of the soot blowing pipe can be reduced, the service life of the soot blowing pipe is prolonged, and in addition, the steam water after heat exchange of the. Therefore, the sensible heat recovery device of the radiation waste boiler can reduce the dust deposition on the water-cooling screen in the radiation waste boiler, thereby ensuring the heat exchange efficiency of the synthesis gas.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.