Fluidized bed gasifier with external observation port

Abstract

The utility model relates to the technical field of coal gasification, and discloses a fluidized bed gasification furnace with an external observation port, which comprises a gasification furnace body, an observation component, a feeding box and a conveying mechanism, the observation component comprises a transparent protective cover, an observation device, a box body, a driving motor, a main rotating shaft, a vortex bar, a turbine, a main transmission plate, an auxiliary transmission plate, a transmission rod and a scraper blade. In the coal combustion and gasification process of the fluidized bed gasification furnace, the observation device is arranged on one side of the upper end of the gasification furnace body, so that the coal combusted and gasified in the gasification furnace body can be observed, and the vortex bar is driven by the driving motor to rotate relative to the turbine; the rotating turbine can pull the main transmission plate to be matched with the auxiliary transmission plate to drive the scraping plate on the transmission rod to scrape back and forth, so that medium powder on the lower surface of the transparent protective cover of the covering observation device can be cleaned, and the observation efficiency of the fluidized bed gasification furnace is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal gasification, in particular to a fluidized bed gasifier with an external observation port. Background Art

[0002] The fluidized bed, abbreviated as the fluidized bed, is a reactor that uses gas or liquid to pass through a granular solid layer to make the solid particles in a suspended motion state and carry out a gas-solid phase reaction process or a liquid-solid phase reaction process. When used in a gas-solid system, it is also called a boiling bed. The fluidized bed gasifier is widely used in the field of coal gasification. The fluidized bed gasifier includes a cylinder body, an air outlet and a slag discharge port are respectively arranged at the upper and lower ends of the cylinder body, a central jet pipe is arranged in the slag discharge port, the central jet pipe sprays a gasifying agent into the gasifier, and the coal in the gasifier circulates under the drive of the air flow. At the same time, the high-temperature bed material reacts to generate coal gas, and the coal gas is discharged from the air outlet.

[0003] The applicant believes that:

[0004] During the coal combustion and gasification process in the fluidized bed gasifier, the observation effect of most internal coal combustion and gasification is not ideal enough, and a large amount of coal powder will be generated during the coal combustion and gasification process. These coal powders will move around with the air flow inside the fluidized bed gasifier, which is likely to cause poor observation effect of the observation device, and thus needs to be improved. Summary of the Utility Model

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the utility model provides a fluidized bed gasifier with an external observation port, which has the advantages of being able to observe the internal coal combustion and gasification, and at the same time being able to clean the coal powder on the surface of the observation device, and solves the problems that the observation effect of most internal coal combustion and gasification is not ideal enough, and a large amount of coal powder will be generated during the coal combustion and gasification process. These coal powders will move around with the air flow inside the fluidized bed gasifier, which is likely to cause poor observation effect of the observation device.

[0007] (2) Technical Solutions

[0008] To achieve the above object, the utility model provides the following technical solution: a fluidized bed gasifier with an external observation port, including a gasifier body, an observation component, a feed box and a material transfer mechanism, and an observation component is arranged on one side above the gasifier body.

[0009] The observation component includes a transparent protective cover, an observation device, a box, a driving motor, a main shaft, a worm gear, a turbine, a main transmission plate, an auxiliary transmission plate, a transfer rod and a scraper. A transparent protective cover is connected to one side of the upper end of the gasification furnace body, and an observation device is installed on the inner side of the transparent protective cover. One end of the driving motor is connected to one side of the interior of the box, and the output shaft of the driving motor is fixedly connected to the main shaft through a coupling, and the other end of the main shaft is connected to one end of the worm gear. A turbine is meshingly installed on one side of the worm gear, and the main transmission plate is movably connected to one side of the interior of the turbine, and the other end of the main transmission plate is movably connected to the auxiliary transmission plate, and the other end of the auxiliary transmission plate is movably connected to the scraper through a transfer rod.

[0010] Furthermore, one side of the transparent protective cover is located above the gasification furnace body and is fixedly connected to a box.

[0011] Furthermore, the transfer rod is connected through the box body and the gasification furnace body, and the scraper is in contact with the bottom of the transparent protective cover.

[0012] Furthermore, a feed box is fixedly connected to one side of the upper part of the gasifier body, a material conveying mechanism is arranged below the feed box fixedly connected to one side of the upper part of the gasifier body, and a slag discharge bucket is installed below the gasifier body.

[0013] Furthermore, the material transfer mechanism includes a chassis, a material transfer box, a servo motor, a secondary shaft and a spiral feeding blade, and the lower side of the feed box is fixedly connected to the chassis.

[0014] Furthermore, a material transfer box is fixedly connected to one side of the chassis, and the feed port of the material transfer box is connected to the discharge port of the feed box.

[0015] Furthermore, a servo motor is fixedly connected to the inner side of the chassis, an output shaft of the servo motor is fixedly connected to a secondary rotating shaft via a coupling, and a spiral feeding blade is fixedly connected to the other end of the secondary rotating shaft.

[0016] Compared with the prior art, the utility model provides a fluidized bed gasifier with an external observation port, which has the following beneficial effects:

[0017] 1. During the combustion and gasification process of coal in the fluidized bed gasifier, an observation device is installed on one side of the upper end of the gasifier body, so that the combustion and gasification of coal inside the gasifier body can be observed. The turbine is driven by a driving motor to rotate the turbine, and the rotating turbine will pull the main transmission plate and the auxiliary transmission plate to drive the scraper on the transfer rod to scrape back and forth, so as to clean the coal powder on the surface below the transparent protective cover covering the observation device, thereby improving the observation efficiency of the fluidized bed gasifier.

[0018] 2. During the coal combustion and gasification processes in this fluidized bed gasifier, the feeding box is provided to store the coal for feeding. Moreover, through the cooperation of starting the servo motor to drive the spiral feeding blades, the function of automatically feeding the coal can be achieved, thus providing convenience for the feeding of the fluidized bed gasifier. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 is a three-dimensional structural schematic diagram of a fluidized bed gasifier with an external observation port provided by an embodiment of the present invention;

[0020] Figure 2 is a structural schematic diagram of the observation component of a fluidized bed gasifier with an external observation port provided by an embodiment of the present invention;

[0021] Figure 3 is a structural schematic diagram of the feeding box and the material conveying mechanism of a fluidized bed gasifier with an external observation port provided by an embodiment of the present invention;

[0022] Figure 4 is a structural schematic diagram of the material conveying mechanism of a fluidized bed gasifier with an external observation port provided by an embodiment of the present invention.

[0023] Wherein: 1. Gasifier body; 2. Observation component; 201. Transparent protective cover; 202. Observation device; 203. Box body; 204. Driving motor; 205. Main rotating shaft; 206. Worm; 207. Turbine; 208. Main transmission plate; 209. Sub-transmission plate; 210. Transmission rod; 211. Scraper; 3. Feeding box; 4. Material conveying mechanism; 401. Chassis; 402. Material conveying box; 403. Servo motor; 404. Sub-rotating shaft; 405. Spiral feeding blade; 5. Slag discharge hopper. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] Please refer to Figure 1 , the present invention provides a technical solution: a fluidized bed gasifier with an external observation port, including a gasifier body 1, an observation component 2, a feeding box 3 and a material conveying mechanism 4. An observation component 2 is arranged on one side above the gasifier body 1, a feeding box 3 is fixedly connected to one side above the gasifier body 1, and a material conveying mechanism 4 is arranged below the feeding box 3 fixedly connected to one side above the gasifier body 1. A slag discharge hopper 5 is cooperatively installed below the gasifier body 1.

[0026] Among them: in the fluidized bed gasifier during the coal combustion and gasification process, first, coal is added into the interior of the feed box 3, and then the coal is transported into the interior of the gasifier body 1 through the material transfer mechanism 4. Then, the gasifier body 1 is started to burn and gasify the coal. During the combustion and gasification operation, the coal burning and gasifying inside the gasifier body 1 can be observed through the observation component 2. After the work is completed, the residue is discharged through the slag discharge hopper 5.

[0027] Please refer to Figure 1 and Figure 2 , a fluidized bed gasifier with an external observation port. The observation component 2 includes a transparent protective cover 201, an observation device 202, a box body 203, a driving motor 204, a main rotating shaft 205, a worm 206, a turbine 207, a main transmission plate 208, a secondary transmission plate 209, a transmission rod 210, and a scraper 211. One side of the upper end of the gasifier body 1 is penetrated and connected with the transparent protective cover 201. The observation device 202 is fitted and installed inside the transparent protective cover 201. One end of the driving motor 204 is connected to one side inside the box body 203. The output shaft of the driving motor 204 is fixedly connected with the main rotating shaft 205 through a coupling. The other end of the main rotating shaft 205 is connected to one end of the worm 206. A turbine 207 is meshed and installed on one side of the worm 206. One side inside the turbine 207 is movably connected with the main transmission plate 208. The other end of the main transmission plate 208 is movably connected with the secondary transmission plate 209. The other end of the secondary transmission plate 209 is movably connected with the scraper 211 through the transmission rod 210. One side of the transparent protective cover 201 is fixedly connected with the box body 203 above the gasifier body 1. The transmission rod 210 penetrates through the box body 203 and the gasifier body 1. The scraper 211 is attached to the lower part of the transparent protective cover 201.

[0028] Among them: during the coal combustion and gasification process of this fluidized bed gasifier, through the setting of the observation device 202 installed on one side of the upper end of the gasifier body 1, the function of observing the coal burning and gasifying inside the gasifier body 1 can be realized. And through the cooperation of the driving motor 204 and the main rotating shaft 205 to drive the worm 206 to rotate the turbine 207, the rotating turbine 207 will pull the main transmission plate 208 to cooperate with the secondary transmission plate 209 to drive the scraper 211 on the transmission rod 210 to scrape back and forth, so as to clean the coal powder on the lower surface of the transparent protective cover 201 covering the observation device 202, thereby improving the observation efficiency of the fluidized bed gasifier.

[0029] Please refer to Figure 1 , Figure 3 and Figure 4A fluidized bed gasification furnace with an external observation port, wherein a feeding mechanism 4 comprises a chassis 401, a feeding box 402, a servo motor 403, a secondary rotating shaft 404 and a spiral feeding blade 405, a lower side of the feeding box 3 is fixedly connected with the chassis 401, a side of the chassis 401 is fixedly connected with the feeding box 402, and a feeding port of the feeding box 402 is connected to a feeding port of the feeding box 3, a servo motor 403 is fixedly connected to the inner side of the chassis 401, an output shaft of the servo motor 403 is fixedly connected with the secondary rotating shaft 404 through a coupling, and a spiral feeding blade 405 is fixedly connected to the other end of the secondary rotating shaft 404.

[0030] Among them: during the combustion and gasification process of coal in the fluidized bed gasifier, the feed box 3 is set to store the coal, and by starting the servo motor 403 and cooperating with the auxiliary shaft 404 to drive the spiral feeding blade 405, the coal can be automatically fed, thereby providing convenience for the feeding of the fluidized bed gasifier.

[0031] The working principle of the utility model is as follows: during the combustion and gasification process of coal in the fluidized bed gasifier, the coal is first added to the feed box 3, and the coal enters the feed box 402 through the discharge of the feed box 3, and then the servo motor 403 is started to cooperate with the auxiliary shaft 404 to drive the spiral feeding blade 405 to rotate, and the coal is transported to the gasifier body 1 for loading, and then the gasifier body 1 is started to burn and gasify the coal. During the combustion and gasification process, the coal burning and gasifying in the gasifier body 1 can be observed by the observation device 202, and the driving motor 204 is used to drive the screw feeding blade 405 to rotate. The main shaft 205 drives the worm gear 206 to rotate the turbine 207, and the rotating turbine 207 will pull the main transmission plate 208 and the auxiliary transmission plate 209 to drive the scraper 211 on the transfer rod 210 to scrape back and forth, so as to clean the coal powder on the surface below the transparent protective cover 201 covering the observation device 202. After the work is completed, the residue is discharged through the slag unloading bucket 5, thus completing the working principle and working process of a fluidized bed gasification furnace with an external observation port, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A fluidized bed gasifier with an external observation port, characterized in that: It comprises a gasifier body (1), an observation component (2), a feed box (3) and a material conveying mechanism (4), wherein the observation component (2) is arranged on one side above the gasifier body (1); The observation component (2) comprises a transparent protective cover (201), an observation device (202), a box (203), a drive motor (204), a main rotating shaft (205), a worm gear (206), a turbine (207), a main transmission plate (208), an auxiliary transmission plate (209), a transmission rod (210) and a scraper (211); a transparent protective cover (201) is connected through one side of the upper end of the gasifier body (1); the observation device (202) is installed on the inner side of the transparent protective cover (201); one end of the drive motor (204) is connected to the box (203); The output shaft of the driving motor (204) is fixedly connected to the main rotating shaft (205) through a coupling, the other end of the main rotating shaft (205) is connected to one end of the worm gear (206), one side of the worm gear (206) is meshingly mounted with a turbine (207), the inner side of the turbine (207) is movably connected to a main transmission plate (208), the other end of the main transmission plate (208) is movably connected to the auxiliary transmission plate (209), and the other end of the auxiliary transmission plate (209) is movably connected to a scraper (211) through a transmission rod (210).

2. The fluidized bed gasifier with an external observation port according to claim 1, characterized in that: One side of the transparent protective cover (201) is located above the gasification furnace body (1) and is fixedly connected to a box body (203).

3. The fluidized bed gasifier with an external observation port according to claim 1, characterized in that: The transfer rod (210) is connected through the box (203) and the gasification furnace body (1), and the scraper (211) is in contact with the bottom of the transparent protective cover (201).

4. The fluidized bed gasifier with an external observation port according to claim 3, characterized in that: A feed box (3) is fixedly connected to one side of the upper part of the gasifier body (1), a material conveying mechanism (4) is arranged below the feed box (3) fixedly connected to one side of the upper part of the gasifier body (1), and a slag discharge bucket (5) is installed below the gasifier body (1).

5. The fluidized bed gasifier with an external observation port according to claim 1, characterized in that: The material transfer mechanism (4) comprises a chassis (401), a material transfer box (402), a servo motor (403), a secondary rotating shaft (404) and a spiral feeding blade (405), and the lower side of the material feed box (3) is fixedly connected to the chassis (401).

6. The fluidized bed gasifier with an external observation port according to claim 5, characterized in that: A material transfer box (402) is fixedly connected to one side of the chassis (401), and the feed port of the material transfer box (402) is connected to the discharge port of the feed box (3).

7. The fluidized bed gasifier with an external observation port according to claim 6, characterized in that: A servo motor (403) is fixedly connected to the inner side of the chassis (401), and an output shaft of the servo motor (403) is fixedly connected to a secondary rotating shaft (404) via a coupling, and a spiral feeding blade (405) is fixedly connected to the other end of the secondary rotating shaft (404).

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