Fluidized bed gasification furnace capable of cleaning interior

Abstract

The utility model discloses a fluidized bed gasification furnace capable of cleaning the inside, which relates to the technical field of fluidized bed gasification furnaces and comprises a main body furnace and a cleaning mechanism, and the cleaning mechanism for cleaning the inner wall is arranged in the middle of the inner side of the main body furnace. And the cleaning mechanism comprises a gear motor, a rotating shaft, connecting rods, mounting heads, scraping plates, brush plates and connecting springs, the output end of the gear motor is connected with the rotating shaft, the two sides of the rotating shaft are connected with the connecting rods, and the mounting heads are fixed to the front ends of the connecting rods. Compared with an existing device, according to the fluidized bed gasification furnace capable of cleaning the interior, through cooperation of all parts of the cleaning mechanism, after long-time work, residues on the inner wall can be scraped firstly, then cleaning treatment is conducted, and the cleanliness of the interior of the main body furnace is guaranteed through double automatic cleaning; and dust and slag are prevented from being accumulated in the main body furnace to influence the stable use of the subsequent furnace body, and meanwhile, the trouble of manual cleaning is also reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of fluidized bed gasifiers, in particular to a fluidized bed gasifier capable of cleaning the interior. Background Art

[0002] Fluidized bed gasifier uses gasification medium as fluidization medium to make biomass undergo gasification reaction in a suspended flow state. With the continuous development and innovation of biomass gasifiers, the energy of biomass gasifiers can be better utilized.

[0003] When the existing fluidized bed gasification furnace is in use, the interior of the furnace body often does not have the ability to clean itself. Therefore, after a long period of operation, dust and slag are easily accumulated inside the furnace body, which will affect the subsequent stable use of the furnace body and also increase the trouble of manual cleaning.

[0004] Therefore, the existing structure and defects are studied and improved, and a fluidized bed gasification furnace with internal cleaning is provided, in order to achieve a more practical purpose. Utility Model Content

[0005] The purpose of the utility model is to provide a fluidized bed gasification furnace that can clean the inside, so as to solve the problem mentioned in the above background technology that when the existing fluidized bed gasification furnace is used, the inside of the furnace body often has the ability to clean itself, so that after a long period of work, dust and slag are easily accumulated inside the furnace body, which will affect the subsequent stable use of the furnace body and also increase the trouble of manual cleaning.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a fluidized bed gasification furnace capable of cleaning the interior, comprising a main furnace and a cleaning mechanism, wherein the cleaning mechanism for cleaning the inner wall is arranged in the middle of the inner side of the main furnace, and the cleaning mechanism comprises a reduction motor, a rotating shaft, a connecting rod, a mounting head, a scraper, a brush plate and a connecting spring, the output end of the reduction motor is connected to the rotating shaft, the two sides of the rotating shaft are connected to the connecting rod, and the front end of the connecting rod is fixed with a mounting head, the front side of the mounting head is installed with a scraper, and the opposite side of the scraper is provided with a brush plate, and the inner side of the connecting rod is provided with a connecting spring.

[0007] Furthermore, a feed port is connected above the surface of the main furnace, and an exhaust pipe is connected to one side of the top of the main furnace.

[0008] Furthermore, a cover mechanism for maintenance is installed in the middle of the surface of the main furnace, and the cover mechanism includes a mounting groove and a mounting cover, and the mounting cover is installed in the middle of the mounting groove.

[0009] Furthermore, the covering mechanism also includes a fixing wire, and the fixing wire is installed around the outer surface of the installation cover.

[0010] Furthermore, the covering mechanism also includes a visual port, and the visual port is fixed in the middle of the surface of the mounting cover.

[0011] Furthermore, the installation cover is fixedly connected to the main furnace via a fixing wire, and the curvature and thickness of the installation cover are the same as those of the main furnace.

[0012] Compared with the prior art, the utility model provides a fluidized bed gasification furnace that can clean the interior, which has the following beneficial effects:

[0013] 1. The utility model can scrape the residue from the inner wall first and then clean it after a long period of work through the cooperation between the various parts of the cleaning mechanism. The double automatic cleaning is used to ensure the cleanliness of the interior of the main furnace, prevent the accumulation of dust and slag inside the main furnace and affect the stable use of the subsequent furnace body, and also reduce the trouble of manual cleaning;

[0014] 2. The utility model can observe the working condition inside the main furnace and the cleanliness inside the furnace through the cooperation between the various parts of the covering mechanism, and can conveniently perform maintenance on the inside of the main furnace and replace the cleaning parts after subsequent work. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall external three-dimensional structure of a fluidized bed gasifier capable of cleaning the interior of the utility model;

[0016] Figure 2 This is a schematic diagram of a partial cross-sectional structure of a main furnace of a fluidized bed gasification furnace capable of cleaning the interior of the utility model;

[0017] Figure 3 The utility model is a fluidized bed gasification furnace capable of cleaning the interior Figure 2 The enlarged structural diagram at A in the middle;

[0018] Figure 4 The utility model is a schematic diagram of a top view of the structure of a fluidized bed gasification furnace installation cover capable of cleaning the interior.

[0019] In the figure: 1. main furnace; 2. feed port; 3. exhaust pipe; 4. cleaning mechanism; 401. reduction motor; 402. rotating shaft; 403. connecting rod; 404. mounting head; 405. scraper; 406. brush plate; 407. connecting spring; 5. covering mechanism; 501. mounting groove; 502. mounting cover; 503. fixing wire; 504. viewing port. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field of the present invention; the terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention; the term "and / or" used herein includes any and all combinations of one or more related listed items.

[0022] like Figure 1-Figure 3 As shown, a fluidized bed gasification furnace capable of cleaning the interior includes a main furnace 1 and a cleaning mechanism 4, wherein the cleaning mechanism 4 for cleaning the inner wall is arranged at the middle of the inner side of the main furnace 1, and the cleaning mechanism 4 includes a reduction motor 401, a rotating shaft 402, a connecting rod 403, a mounting head 404, a scraper 405, a brush plate 406 and a connecting spring 407, wherein the output end of the reduction motor 401 is connected to the rotating shaft 402, the two sides of the rotating shaft 402 are connected to the connecting rod 403, and the front end of the connecting rod 403 is fixed with the mounting head 404, the front side of the mounting head 404 is installed with a scraper 405, and the opposite side of the scraper 405 is provided with a brush plate 406, and the inner side of the connecting rod 403 is provided with a connecting spring 407;

[0023] The reduction motor 401 can drive the rotating shaft 402 and the connecting rod 403 to rotate, so that the scraper 405 and the brush plate 406 can rotate along the inner wall of the main furnace 1, and the connecting spring 407 can be used to offset the excess force. Therefore, after a long period of work, the inner wall can be scraped off the residue first and then cleaned. The double automatic cleaning is used to ensure the cleanliness of the inside of the main furnace 1, prevent the accumulation of dust and slag inside the main furnace 1 and affect the stable use of the subsequent furnace body, and also reduce the trouble of manual cleaning. The scraper 405 and the brush plate 406 can be disassembled through the mounting head 404 for easy replacement.

[0024] like Figure 1 and Figure 4As shown, a feed port 2 is connected to the upper surface of the main furnace 1, an exhaust pipe 3 is connected to one side of the top of the main furnace 1, a covering mechanism 5 for maintenance is installed in the middle of the surface of the main furnace 1, the covering mechanism 5 includes a mounting groove 501 and a mounting cover 502, and the mounting cover 502 is installed in the middle of the mounting groove 501, the covering mechanism 5 also includes a fixing wire 503, and the outer surface of the mounting cover 502 is installed with a fixing wire 503 around, the covering mechanism 5 also includes a visual port 504, and a visual port 504 is fixed in the middle of the surface of the mounting cover 502, the mounting cover 502 is fixedly connected to the main furnace 1 by the fixing wire 503, and the curvature and thickness of the mounting cover 502 are the same as those of the main furnace 1, through the visual port 504, the internal working condition of the main furnace 1 and the cleanliness of the furnace can be observed, and the fixing wire 503 and the mounting cover 502 can make the main furnace 1 have the ability to be disassembled and separated, so that the interior of the main furnace 1 can be easily maintained and the cleaning parts can be replaced after subsequent work.

[0025] Working principle: When using the fluidized bed gasification furnace that can clean the inside, first, the reduction motor 401 can drive the rotating shaft 402 and the connecting rod 403 to rotate, so that the scraper 405 and the brush plate 406 can rotate along the inner wall of the main furnace 1, and then cooperate with the connecting spring 407 to offset the excess force. After a long period of work, the residue on the inner wall can be scraped off and then cleaned. Then, the scraper 405 and the brush plate 406 can be disassembled and replaced through the mounting head 404. At this time, the working condition of the inside of the main furnace 1 and the cleanliness of the furnace can be observed through the visual port 504. Then, the fixing wire 503 and the mounting cover 502 can make the main furnace 1 have the ability to be disassembled and separated. Finally, after subsequent work, the inside of the main furnace 1 can be maintained and the cleaning part can be replaced.

[0026] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A fluidized bed gasification furnace capable of internal cleaning, comprising a main furnace (1) and a cleaning mechanism (4), characterized in that: The cleaning mechanism (4) for cleaning the inner wall is arranged in the middle of the inner side of the main furnace (1), and the cleaning mechanism (4) comprises a reduction motor (401), a rotating shaft (402), a connecting rod (403), a mounting head (404), a scraper (405), a brush plate (406) and a connecting spring (407). The output end of the reduction motor (401) is connected to the rotating shaft (402), the two sides of the rotating shaft (402) are connected to the connecting rod (403), and the front end of the connecting rod (403) is fixed with the mounting head (404), the front side of the mounting head (404) is installed with a scraper (405), and the opposite side of the scraper (405) is provided with a brush plate (406), and the inner side of the connecting rod (403) is provided with a connecting spring (407).

2. The fluidized bed gasifier capable of internal cleaning according to claim 1, characterized in that: A feed port (2) is connected above the surface of the main furnace (1), and an exhaust pipe (3) is connected to one side of the top of the main furnace (1).

3. The fluidized bed gasifier capable of internal cleaning according to claim 1, characterized in that: A cover mechanism (5) for maintenance is installed in the middle of the surface of the main furnace (1), and the cover mechanism (5) comprises a mounting groove (501) and a mounting cover (502), and the mounting cover (502) is installed in the middle of the mounting groove (501).

4. The fluidized bed gasifier capable of internal cleaning according to claim 3, characterized in that: The covering mechanism (5) further comprises a fixing wire (503), and the fixing wire (503) is installed around the outer surface of the installation cover (502).

5. The fluidized bed gasifier capable of internal cleaning according to claim 3, characterized in that: The covering mechanism (5) further comprises a visual port (504), and the visual port (504) is fixed in the middle of the surface of the installation cover (502).

6. The fluidized bed gasifier capable of internal cleaning according to claim 4, characterized in that: The installation cover (502) is fixedly connected to the main furnace (1) via a fixing wire (503), and the curvature and thickness of the installation cover (502) are the same as those of the main furnace (1).

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