Chute device for CFB semi-dry desulfurization material returning

Abstract

The utility model provides a chute device for CFB semi-dry desulfurization material returning. The chute device for CFB semi-dry desulfurization material returning comprises a hearth and a supporting table, and the top of the supporting table is fixedly sleeved with a cyclone separation box. According to the chute device for CFB semi-dry desulfurization material returning, the second permanent magnet is arranged, so that when desulfurization ash on the inner wall of the material conveying groove pipe needs to be cleaned, the driving motor is started, the driving motor drives the driving sleeve to move outside the material conveying groove pipe through the threaded rod, and then the material conveying groove pipe is driven to rotate; the driving sleeve is driven to drive the scraping sleeve to move in the conveying groove pipe through the second permanent magnet, so that the scraping sleeve can scrape desulfurization ash adhered to the inner wall of the conveying groove pipe, the non-contact driving effect of the scraping sleeve is achieved, the problem that the conveying groove pipe needs to be slotted when the scraping sleeve is driven, and consequently the sealing performance in the conveying groove pipe is reduced is solved, and the service life of the conveying groove pipe is prolonged. Therefore, the air tightness of the interior of the material returning pipe during cleaning is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of desulfurization especially relates to a chute device for CFB semi-dry desulfurization return material. BACKGROUND

[0002] The boiler is a kind of energy conversion equipment, the energy input to the boiler has chemical energy in fuel, electric energy, the boiler exports steam, high-temperature water or organic heat carrier with certain heat energy, the original meaning of the pot refers to the water container heated on the fire, the furnace refers to the place of burning fuel, the boiler includes the pot and the furnace two major parts, the hot water or steam generated in the boiler can directly provide the required heat energy for industrial production and people's life, or the steam power device is converted into mechanical energy, or the mechanical energy is converted into electric energy by generator, the boiler providing hot water is called hot water boiler, mainly used for life, a small amount is also applied in industrial production, the boiler generating steam is called steam boiler, commonly referred to as boiler, mainly used in thermal power station, ship, locomotive and industrial and mining enterprises, the return material feeder is the high-temperature solid material separated from the boiler separator, which is stably sent back to the combustion chamber with higher pressure, and the amount of gas backflow into the separator is minimized to improve the combustion efficiency of the equipment.

[0003] In the prior art, such as the "a return material device applied to circulating fluidized bed semi-dry desulfurization" with the authorization announcement number CN214486334U, which includes furnace, the one side of furnace is provided with feed inlet, the feed inlet is communicated with furnace, the bottom end of furnace is fixedly connected with air chamber, the bottom end of air chamber is fixedly connected with transmission pipeline, the one side top end of transmission pipeline is fixedly connected with sealing sleeve, the top end of sealing sleeve is fixedly connected with preheater, the preheater is communicated with furnace through transmission pipeline, the top end of preheater is fixedly connected with U-shaped return material feeder, the left side of U-shaped return material feeder is fixedly connected with furnace, when desulfurization ash is damp, the desulfurization ash is easy to form group and block and adhere to the conveying pipeline in conveying system, the motor is opened to drive the rotating shaft to rotate, the half gear rotates, drives the gear ring to slide on the sliding block, the connecting rod drives the scraper to move in the U-shaped turnover device, the scraper can scrape the adhering object adhered to the pipe wall, and the smoothness in the pipe is ensured.

[0004] When cleaning the inner wall of the conveying pipe groove in the prior art, the cleaning part needs to be driven by the connecting rod outside the pipe, so that the sliding groove needs to be opened on the surface of the pipe, thereby causing the poor sealing of the pipe groove.

[0005] Therefore, it is necessary to provide a chute device for CFB semi-dry desulfurization return material to solve the above technical problems. UTILITY MODEL CONTENTS

[0006] The utility model provides a chute device for CFB semi -dry method desulfurization return material has solved because clean component needs to drive through pipeline external connecting rod, makes the pipeline surface needs to set up sliding groove, and then leads to the poor tightness of pipe groove inside problem.

[0007] In order to solve the above technical problems, the utility model provides a chute device for CFB semi -dry method desulfurization return material, including hearth and support station, the top fixed sleeve of support station is connected with cyclone separation box, the side fixed sleeve of hearth is connected with the material conveying groove pipe, the inside movable sleeve of material conveying groove pipe is connected with scraper sleeve, the top fixed sleeve of scraper sleeve is connected with no.

[0008] Preferably, the second permanent magnet is located directly below the first permanent magnet, and the number of second permanent magnets is two, and the two second permanent magnets are symmetrically distributed with the scraper sleeve as the axis of symmetry.

[0009] Preferably, the driving sleeve is adapted to the material conveying groove pipe, and the driving sleeve is movably sleeved outside the scraper sleeve.

[0010] Preferably, the number of driving motors is two, and the two driving motors are symmetrically distributed with the material conveying groove pipe as the axis of symmetry.

[0011] Preferably, the limiting mechanism includes a limiting groove, the limiting groove is provided on the front surface of the inner wall of the material conveying groove pipe, the outer surface of the scraper sleeve is fixedly connected with a limiting block, and the limiting block is movably sleeved in the limiting groove.

[0012] Preferably, the number of sliding balls is several, and the several sliding balls are uniformly distributed on the front surface of the material conveying groove pipe.

[0013] Preferably, one end of the threaded column is tightly pressed against the front surface of the hearth, and the number of threaded columns is two.

[0014] Preferably, the moving mechanism includes a support column, the support column is fixedly connected to the bottom of the support station, and a sliding wheel is installed at the bottom of the support column.

[0015] Compared with the related art, the chute device for CFB semi -dry method desulfurization return material has the following advantages:

[0016] The utility model provides a chute device for CFB semi -dry method desulfurization return material, through setting no. When need to carry out the desulfurization ash cleaning of the inner wall of the feeding groove pipe, start drive motor, drive motor can be moved in the feeding groove pipe outside through the threaded rod drive drive cover, drive cover can be moved in the feeding groove pipe inside through no. Drive cover can scrape the desulfurization ash adhered to the inner wall of the feeding groove pipe, and then reaches the drive effect of non -contact of scraping sleeve, so as to avoid the need for grooving of the feeding groove pipe when scraping sleeve drive, cause the problem of the decrease of the sealing property inside the feeding groove pipe, thereby improve the air tightness inside when the return pipe cleaning,

[0017] Through setting drive motor, when need to drive drive cover to move horizontally, two drive motors can move two positioning blocks through threaded rod, that is, drive the top and bottom of drive cover to move, so as to avoid the problem of inclination when drive cover moves, and thus improve the stability of drive cover movement, that is, improve the stability when return pipe cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A preferred embodiment structure schematic view of the chute device for CFB semi -dry method desulfurization return material is provided for the utility model,

[0019] Figure 2 For Figure 1 A front view of the feeding groove pipe in the chute device for CFB semi -dry method desulfurization return material shown in the figure,

[0020] Figure 3 For Figure 1 An enlarged schematic view of A in the chute device for CFB semi -dry method desulfurization return material shown in the figure,

[0021] Figure 4 For Figure 1 A front view of drive cover in the chute device for CFB semi -dry method desulfurization return material shown in the figure.

[0022] Marked number in the figure: 1, furnace; 2, support table; 3, cyclone separation box; 4, feeding groove pipe; 5, scraping sleeve; 6, no. 7, drive cover; 8, no. 9, positioning block; 10, drive motor; 11, threaded rod; 12, limiting mechanism; 121, limit groove; 122, limiting block; 13, sliding ball; 14, threaded column; 15, moving mechanism; 151, support column; 152, sliding wheel. DETAILED DESCRIPTION

[0023] The utility model will be further described below in connection with the drawings and embodiment.

[0024] Please combine with reference to Figure 1 、 Figure 2 ,Figure 3 、 Figure 4 wherein, Figure 1 is a preferred embodiment of the structure of a chute device for CFB semi-dry desulfurization return material provided by the utility model; Figure 2 is Figure 1 a front view of a material conveying chute pipe in the chute device for CFB semi-dry desulfurization return material shown in the figure; Figure 3 is Figure 1 an enlarged schematic view of position A in the chute device for CFB semi-dry desulfurization return material shown in the figure; Figure 4 is Figure 1 a front view of a driving sleeve in the chute device for CFB semi-dry desulfurization return material shown in the figure. A chute device for CFB semi-dry desulfurization return material, comprising a hearth 1 and a support table 2, a cyclone separation box 3 is fixedly sleeved on the top of the support table 2, a material conveying chute pipe 4 is fixedly sleeved on the side of the hearth 1, a scraping sleeve 5 is movably sleeved in the inside of the material conveying chute pipe 4, a first permanent magnet 6 is fixedly sleeved on the top of the scraping sleeve 5, a driving sleeve 7 is movably sleeved on the outside of the material conveying chute pipe 4, a second permanent magnet 8 is fixedly sleeved on the bottom of the inner wall of the driving sleeve 7, a positioning block 9 is fixedly connected to the top of the driving sleeve 7, a driving motor 10 is fixedly installed on the top of the material conveying chute pipe 4, a threaded rod 11 is fixedly connected to the output shaft of the driving motor 10, a limiting mechanism 12 is arranged in the inside of the material conveying chute pipe 4, a sliding ball 13 is movably sleeved on the front of the material conveying chute pipe 4, a threaded column 14 is threadedly sleeved in the inside of the support table 2, and a moving mechanism 15 is arranged on the bottom of the support table 2.

[0025] The second permanent magnet 8 is located directly below the first permanent magnet 6, and the number of the second permanent magnet 8 is two, and the two second permanent magnets 8 are symmetrically distributed with the scraping sleeve 5 as the axis of symmetry; by arranging the second permanent magnet 8, when it is needed to clean the desulfurization ash on the inner wall of the material conveying chute pipe 4, the driving motor 10 is started, so that the driving motor 10 drives the driving sleeve 7 to move on the outside of the material conveying chute pipe 4 through the threaded rod 11, the driving sleeve 7 drives the scraping sleeve 5 to move in the inside of the material conveying chute pipe 4 through the second permanent magnet 8, and the scraping sleeve 5 scrapes off the desulfurization ash adhered to the inner wall of the material conveying chute pipe 4, thereby achieving the non-contact driving effect of the scraping sleeve 5, avoiding the need to groove the material conveying chute pipe 4 when the scraping sleeve 5 is driven, and reducing the problem of the internal sealing performance of the material conveying chute pipe 4, thereby improving the air tightness inside the return material pipe when it is cleaned.

[0026] The driving sleeve 7 is matched with the material conveying chute pipe 4, and the driving sleeve 7 is movably sleeved on the outside of the scraping sleeve 5; by arranging the driving sleeve 7, when it is needed to drive the scraping sleeve 5 to move and clean, the driving sleeve 7 drives the two first permanent magnets 6 to move through the two second permanent magnets 8, that is, drives the top and bottom of the scraping sleeve 5 to move horizontally, thereby improving the stability of the scraping sleeve 5 when it moves.

[0027] The number of driving motors 10 is two, and the two driving motors 10 are symmetrically distributed with the feed chute pipe 4 as the symmetric axis; by arranging the driving motor 10, when it is required to drive the driving sleeve 7 to move horizontally, the two driving motors 10 can drive the two positioning blocks 9 to move through the threaded rod 11, that is, drive the top and bottom of the driving sleeve 7 to move, so that the problem of inclination of the driving sleeve 7 during movement is avoided, and the stability of the driving sleeve 7 during movement is improved.

[0028] The limiting mechanism 12 comprises a limiting groove 121 arranged on the front surface of the inner wall of the feed chute pipe 4, and the outer part of the scraping sleeve 5 is fixedly connected with a limiting block 122 movably sleeved in the limiting groove 121.

[0029] The number of sliding balls 13 is several, and the several sliding balls 13 are uniformly distributed on the front surface of the feed chute pipe 4.

[0030] One end of the threaded column 14 is tightly pressed against the front surface of the hearth 1, and the number of the threaded columns 14 is two; by arranging the threaded column 14, when it is required to install and fix the hearth 1, the hearth 1 is sleeved in the support table 2, at this time, the threaded column 14 is rotated, so that the threaded column 14 can press and fix the hearth 1 in the support table 2, so that the support table 2 can support and fix the hearth 1, and the installation and fixation of the hearth 1 are facilitated.

[0031] The moving mechanism 15 comprises a support column 151 fixedly connected to the bottom of the support table 2, and a sliding wheel 152 is installed at the bottom of the support column 151; by arranging the moving mechanism 15, when it is required to move the chute device for conveying, the support table 2 is pushed, so that the sliding wheel 152 can drive the support table 2 to move horizontally through the support column 151, that is, drive the hearth 1 to move horizontally, and the working position adjustment of the chute device is facilitated.

[0032] The working principle of the chute device for CFB semi-dry desulfurization return material provided by the utility model is as follows:

[0033] The first step: firstly, when the desulfurization ash on the inner wall of the feeding chute pipe 4 needs to be cleaned, the driving motor 10 is started, so that the driving motor 10 drives the driving sleeve 7 to move outside the feeding chute pipe 4 through the threaded rod 11, the driving sleeve 7 drives the scraping sleeve 5 to move inside the feeding chute pipe 4 through the two second permanent magnets 8, the scraping sleeve 5 scrapes the desulfurization ash adhered to the inner wall of the feeding chute pipe 4, and then the non-contact driving effect of the scraping sleeve 5 is achieved, so that the problem that the feeding chute pipe 4 needs to be slotted when the scraping sleeve 5 is driven is avoided, the internal airtightness of the feeding chute pipe 4 is improved when the feeding pipe is cleaned, when the scraping sleeve 5 needs to be driven to move and clean, the driving sleeve 7 drives the two first permanent magnets 6 to move through the two second permanent magnets 8, that is, the top and bottom of the scraping sleeve 5 are driven to move horizontally, and then the stability of the scraping sleeve 5 when moving is improved, when the driving sleeve 7 needs to be driven to move horizontally, the two driving motors 10 drive the two positioning blocks 9 to move through the threaded rods 11, that is, the top and bottom of the driving sleeve 7 are driven to move, so that the problem that the driving sleeve 7 tilts when moving is avoided, and then the stability of the driving sleeve 7 when moving is improved, when the scraping sleeve 5 moves, the limiting groove 121 limits the moving scraping sleeve 5 through the limiting block 122, so that the problem that the scraping sleeve 5 tilts and deviates when moving is avoided, and then the stability of the scraping sleeve 5 when moving is improved;

[0034] The second step: when the driving sleeve 7 drives the scraping sleeve 5 to move, the sliding ball 13 limits the moving driving sleeve 7, so that the problem that the driving sleeve 7 rubs against the surface of the feeding chute pipe 4 when moving is avoided, and then the smoothness of the driving sleeve 7 when moving is improved, when the furnace 1 needs to be installed and fixed, the furnace 1 is sleeved in the inside of the support table 2, at this time, the threaded column 14 is rotated, so that the threaded column 14 extrudes and fixes the furnace 1 in the inside of the support table 2, so that the support table 2 supports and fixes the furnace 1, and then convenience is brought to the installation and fixing of the furnace 1, when the chute device needs to move and convey, the support table 2 is pushed, so that the sliding wheel 152 drives the support table 2 to move horizontally through the support column 151, that is, the furnace 1 is driven to move horizontally, and then convenience is brought to the working position adjustment of the chute device.

[0035] Compared with the related art, the chute device for CFB semi-dry desulfurization return material has the following beneficial effects:

[0036] When it is needed to clean the desulfurization ash adhered to the inner wall of the conveying chute pipe 4, the second permanent magnet 8 is arranged, the driving motor 10 is started, the driving motor 10 drives the driving sleeve 7 to move outside the conveying chute pipe 4 through the threaded rod 11, the driving sleeve 7 drives the scraping sleeve 5 to move inside the conveying chute pipe 4 through the second permanent magnet 8, the scraping sleeve 5 scrapes the desulfurization ash adhered to the inner wall of the conveying chute pipe 4, and the non-contact driving effect of the scraping sleeve 5 is achieved, so that the problem that the conveying chute pipe 4 needs to be slotted when the scraping sleeve 5 is driven, and the sealing performance of the conveying chute pipe 4 is reduced is avoided, and the air tightness inside the conveying chute pipe 4 during cleaning is improved.

[0037] The above is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation, or direct or indirect application in other related technical fields, is also included in the patent protection range of the present application.

Claims

1. A chute device for CFB semi-dry desulfurization return material, comprising a furnace (1) and a supporting table (2), characterized in that: The top of the support table (2) is fixedly sleeved with a cyclone separation box (3), the side of the hearth (1) is fixedly sleeved with a material conveying chute pipe (4), the inside of the material conveying chute pipe (4) is movably sleeved with a scraping sleeve (5), the top of the scraping sleeve (5) is fixedly sleeved with a first permanent magnet (6), the outside of the material conveying chute pipe (4) is movably sleeved with a driving sleeve (7), the bottom of the inner wall of the driving sleeve (7) is fixedly sleeved with a second permanent magnet (8), the top of the driving sleeve (7) is fixedly connected with a positioning block (9), the top of the material conveying chute pipe (4) is fixedly installed with a driving motor (10), the output shaft of the driving motor (10) is fixedly connected with a threaded rod (11), the inside of the material conveying chute pipe (4) is provided with a limiting mechanism (12), the front of the material conveying chute pipe (4) is movably sleeved with a sliding ball (13), the inside of the support table (2) is threadedly sleeved with a threaded column (14), and the bottom of the support table (2) is provided with a moving mechanism (15).

2. A chute device for CFB semi-dry desulfurization return material according to claim 1, characterized in that, The second permanent magnet (8) is located directly below the first permanent magnet (6), and the number of the second permanent magnet (8) is two, and the two second permanent magnets (8) are symmetrically distributed with the scraping sleeve (5) as the symmetric axis.

3. A chute device for CFB semi-dry desulfurization return material according to claim 1, characterized in that, The driving sleeve (7) is matched with the material conveying chute pipe (4), and the driving sleeve (7) is movably sleeved outside the scraping sleeve (5).

4. A chute device for CFB semi-dry desulfurization return material according to claim 1, characterized in that, The number of the driving motor (10) is two, and the two driving motors (10) are symmetrically distributed with the material conveying chute pipe (4) as the symmetric axis.

5. A chute device for CFB semi-dry desulfurization return material according to claim 1, characterized in that, The limiting mechanism (12) comprises a limiting groove (121), the limiting groove (121) is opened in the front of the inner wall of the material conveying chute pipe (4), and the outside of the scraping sleeve (5) is fixedly connected with a limiting block (122), and the limiting block (122) is movably sleeved in the inside of the limiting groove (121).

6. A chute device for CFB semi-dry desulfurization return material according to claim 1, characterized in that, The number of the sliding ball (13) is several, and the several sliding balls (13) are uniformly distributed on the front of the material conveying chute pipe (4).

7. A chute device for CFB semi-dry desulfurization return material according to claim 1, characterized in that, One end of the threaded column (14) is tightly extruded on the front of the hearth (1), and the number of the threaded column (14) is two.

8. A chute device for CFB semi-dry desulfurization return material according to claim 1, characterized in that, The moving mechanism (15) comprises a supporting column (151), the supporting column (151) is fixedly connected to the bottom of the support table (2), and the bottom of the supporting column (151) is installed with a sliding wheel (152).

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