Boiler combustion control device

Abstract

The utility model discloses a boiler combustion control device which comprises an air inlet pipe used for boiler combustion, an air blower is installed in the air inlet pipe, a filter screen plate is installed at the air inlet end of the air inlet pipe, a dust collecting box is fixedly installed at the air inlet end of the air inlet pipe, and the air inlet end of the air inlet pipe is communicated with the interior of the dust collecting box. A box cover is detachably mounted at the upper part of the dust collection box; an air inlet is formed in the box cover; an adjusting part is mounted in the dust collecting box, a cleaning part is mounted on the adjusting part, and the cleaning part can move and clean on the filter screen plate; the filter screen further comprises an intercepting component, the intercepting component is movably inserted into the air inlet pipe, the intercepting component is located below the filter screen plate, through cooperative use of the adjusting component, the cleaning component and the intercepting component, the cleaning quality of a traditional filter screen is improved, and the air supply quality of the air inlet pipe can be guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to a boiler combustion control device. Background Art

[0002] A boiler is an energy conversion device. The energy input to the boiler includes chemical energy and electrical energy in the fuel, and the boiler outputs steam, high-temperature water or organic heat carrier with a certain amount of thermal energy.

[0003] The Chinese patent publication number is CN219414860U, and its publication date is 20230725. It discloses a boiler combustion control device, including an air inlet pipe and a blower. The blower is arranged inside the air inlet pipe, and also includes a filter module. The filter module includes a mounting frame, a filter screen, a drive assembly, a mounting plate, two scrapers and two slag storage boxes. The mounting frame is connected to the air inlet pipe, the filter screen is arranged at the connection between the mounting frame and the air inlet pipe, the drive assembly is fixedly connected to the mounting frame, the mounting plate is fixedly connected to the drive assembly, scrapers are arranged on both sides of the mounting plate, and the scrapers are attached to the upper surface of the filter screen, and slag storage boxes are arranged on both sides of the filter screen.

[0004] The above patent can solve the corresponding technical problems, facilitate the cleaning of the filter and improve the cleaning efficiency, but the above device still has disadvantages during use:

[0005] In the process of cleaning the filter, the above patent only scrapes off the impurities on the surface of the filter by attaching a scraper to the upper surface of the filter, but the impurities in the mesh of the filter cannot be removed, resulting in a poor cleaning effect of the filter. In addition, during the scraping process, the impurities are easily dropped from the mesh of the filter into the interior of the air inlet duct, affecting the air supply quality of the air inlet duct. Utility Model Content

[0006] The utility model aims to provide a boiler combustion control device to solve the problem that the boiler combustion control device in the prior art only scrapes off impurities on the surface of the filter by a scraper attached to the upper surface of the filter during the cleaning process of the filter, but impurities in the mesh of the filter cannot be removed, resulting in a poor cleaning effect of the filter; in addition, during the scraping process, impurities are easily dropped from the mesh of the filter into the interior of the air inlet pipe, affecting the air supply quality of the air inlet pipe.

[0007] In order to achieve the above-mentioned purpose, the main technical solutions adopted by the utility model include: a boiler combustion control device, including: an air inlet pipe used for boiler combustion, a blower is installed inside the air inlet pipe, a filter screen is installed on the air inlet end of the air inlet pipe, a dust box is fixedly installed on the air inlet end of the air inlet pipe, the air inlet end of the air inlet pipe is connected with the interior of the dust box, a box cover is detachably installed on the upper part of the dust box, and an air inlet is provided on the box cover; an adjusting component is installed inside the dust box, a cleaning component is installed on the adjusting component, and the cleaning component can be moved and cleaned on the filter screen; and also includes an intercepting component, the intercepting component is movably plugged into the inside of the air inlet pipe, and the intercepting component is located below the filter screen.

[0008] As a preferred technical solution, the adjusting component includes first bearings fixedly mounted on both sides of the dust box, a screw is fixedly mounted between the inner rings of the two first bearings, a screw sleeve is threadedly mounted on the screw, a first drive motor is fixedly mounted on the outer side of the dust box, and an output shaft of the first drive motor is fixedly connected to one end of the screw;

[0009] A fixing rod is fixedly installed on the inner wall of the dust collecting box, a sliding groove is provided at the bottom of the fixing rod, a sliding block is slidably installed inside the sliding groove, and the lower end of the sliding block is fixedly connected to the top of the screw sleeve.

[0010] As a preferred technical solution, the cleaning component includes a first connecting rod and a second connecting rod fixedly mounted on the bottom of the screw sleeve, wherein:

[0011] A scraper is fixedly connected to the bottom of the first connecting rod, and a scraping surface of the scraper contacts the surface of the filter screen;

[0012] A mounting frame is fixedly installed at the bottom of the second connecting rod, a second bearing is fixedly installed on the mounting frame, a cleaning roller is fixedly installed in the inner ring of the second bearing, a second drive motor is fixedly installed on one side of the mounting frame, and an output shaft of the second drive motor is fixedly connected to one end of the cleaning roller.

[0013] As a preferred technical solution, the cleaning roller includes a shaft and bristles fixedly mounted on the surface of the shaft, and the bristles are in contact with the surface of the filter screen.

[0014] As a preferred technical solution, the interception component includes a baffle, a socket is opened on one side of the air inlet pipe, and the baffle passes through the socket and extends into the interior of the air inlet pipe;

[0015] It also includes an electric push rod, which is fixedly mounted on the dust box, and a telescopic end of the electric push rod is fixedly connected to one end of the baffle.

[0016] As a preferred technical solution, a groove is provided on the top of the baffle plate, and the size of the groove is equal to the mesh size of the filter screen plate.

[0017] As a preferred technical solution, the filter screen plate includes a mounting frame and a filter screen fixedly mounted on the mounting frame, and the mounting frame is fixedly mounted on the air inlet pipe by a first bolt.

[0018] As a preferred technical solution, the box cover is fixed to the dust box by a second bolt.

[0019] The utility model has at least the following beneficial effects:

[0020] The utility model provides a boiler combustion control device, which drives a baffle to be inserted into the interior of an air inlet duct by starting an electric push rod, so that the baffle is located directly below the filter screen plate, and then drives a screw sleeve to move left and right on the screw rod by starting a first driving motor, thereby driving a scraper and a cleaning roller installed on the screw sleeve to scrape and grind back and forth on the surface of the filter screen plate, and the scraper pushes the impurities to the bottom of the dust collecting box, and the cleaning roller can further grind and clean the impurities in the mesh, and the impurities falling from the mesh of the filter screen plate fall into the inside of the groove and will not fall into the inside of the air inlet duct, thereby improving the cleaning quality of the traditional filter screen and being able to ensure the air supply quality of the air inlet duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0022] Figure 1 It is a three-dimensional diagram of the boiler combustion control device of the utility model;

[0023] Figure 2 It is a side sectional view of the boiler combustion control device of the utility model;

[0024] Figure 3 A three-dimensional cross-sectional view of a dust collecting box of a boiler combustion control device of the utility model;

[0025] Figure 4 This is a schematic diagram of the cleaning roller structure of the boiler combustion control device of the utility model;

[0026] Figure 5 The utility model is a schematic diagram of the baffle structure of the boiler combustion control device.

[0027] Description of Figure Numbers:

[0028] 1. Air inlet pipe; 11. Blower; 12. Filter plate; 121. First bolt; 13. Socket; 2. Dust box; 21. First bearing; 3. Box cover; 31. Air inlet; 32. Second bolt; 4. Screw; 5. Screw sleeve; 51. First connecting rod; 52. Second connecting rod; 6. First drive motor; 7. Fixed rod; 71. Slide groove; 72. Sliding block; 8. Scraper; 9. Mounting frame; 91. Second bearing; 92. Cleaning roller; 93. Second drive motor; 10. Electric push rod; 101. Baffle; 1011. Groove. DETAILED DESCRIPTION

[0029] The following will describe the implementation methods of the present application in detail with the help of accompanying drawings and examples, so that the implementation process of how the present application uses technical means to solve technical problems and achieve technical effects can be fully understood and implemented accordingly.

[0030] Example

[0031] Please refer to Figures 1 to 5 As shown, an embodiment of the utility model provides a boiler combustion control device, comprising: an air inlet pipe 1 used for boiler combustion, the air inlet pipe 1 is connected with the combustion chamber of the boiler, a blower 11 is installed inside the air inlet pipe 1, a filter screen plate 12 is installed on the air inlet end of the air inlet pipe 1, a dust box 2 is fixedly installed on the air inlet end of the air inlet pipe 1, the air inlet end of the air inlet pipe 1 is connected with the interior of the dust box 2, a box cover 3 is detachably installed on the upper part of the dust box 2, and an air inlet 31 is provided on the box cover 3; an adjusting component is installed inside the dust box 2, a cleaning component is installed on the adjusting component, and the cleaning component can be moved and cleaned on the filter screen plate 12; it also includes an intercepting component, the intercepting component can be movably plugged into the interior of the air inlet pipe 1, and the intercepting component is located below the filter screen plate 12. Through the coordinated use of the adjusting component, the cleaning component and the intercepting component, the quality of cleaning the traditional filter screen is increased, and the air supply quality of the air inlet pipe can be guaranteed.

[0032] Among them, the adjusting component includes a first bearing 21 fixedly installed on both sides of the dust box 2, a screw 4 is fixedly installed between the inner rings of the two first bearings 21, a screw sleeve 5 is threadedly installed on the screw 4, a first drive motor 6 is fixedly installed on the outer side of the dust box 2, and the output shaft of the first drive motor 6 is fixedly connected to one end of the screw 4; a fixing rod 7 is also fixedly installed on the inner wall of the dust box 2, a slide groove 71 is provided at the bottom of the fixing rod 7, a slider 72 is slidably installed inside the slide groove 71, and the lower end of the slider 72 is fixedly connected to the top of the screw sleeve 5, the first drive motor 6 is a forward and reverse motor, and the screw 4 can be driven to rotate by starting the first drive motor 6, so that the screw sleeve 5 can move left and right on the screw 4, and then the cleaning component installed on the screw sleeve 5 is driven to clean the filter screen plate 12, and the screw 4 is connected to the fixing rod 7 through the slider 72, which can limit the screw sleeve 5 on the one hand, so that the screw sleeve 5 can move linearly on the screw 4 without rotation, and on the other hand, it can increase the stability of the displacement of the screw sleeve 5, thereby increasing the stability of the adjusting component.

[0033] Among them, the cleaning component includes a first connecting rod 51 and a second connecting rod 52 fixedly installed at the bottom of the screw sleeve 5, wherein: a scraper 8 is fixedly connected to the bottom of the first connecting rod 51, and the scraping surface of the scraper 8 contacts the surface of the filter screen 12; a mounting frame 9 is fixedly installed at the bottom of the second connecting rod 52, a second bearing 91 is fixedly installed on the mounting frame 9, a cleaning roller 92 is fixedly installed in the inner ring of the second bearing 91, a second drive motor 93 is fixedly installed on one side of the mounting frame 9, and the output shaft of the second drive motor 93 is fixedly connected to one end of the cleaning roller 92, the scraper 8 can scrape impurities on the surface of the filter screen 12 to both sides, and the cleaning roller 92 can further grind and clean the impurities in the mesh, and the scraper 8 and the cleaning roller 92 are used in combination to effectively clean the impurities on the filter screen 12, and the cleaned impurities fall to the inner bottom of the dust box 2 for centralized treatment.

[0034] Among them, the cleaning roller 92 includes a shaft and bristles fixedly installed on the surface of the shaft. The bristles are in contact with the surface of the filter screen 12. By starting the second drive motor 93, the cleaning roller 92 can be driven to rotate at high speed, so that the bristles on the cleaning roller 92 clean the mesh of the filter screen 12. The bristles are made of nylon bristles, which are wear-resistant and increase the service life.

[0035] Among them, the intercepting component includes a baffle 101, and a socket 13 is opened on one side of the air inlet pipe 1, and the baffle 101 passes through the socket 13 and extends into the interior of the air inlet pipe 1; it also includes an electric push rod 10, which is fixedly installed on the dust box 2, and the telescopic end of the electric push rod 10 is fixedly connected to one end of the baffle 101. When the cleaning component cleans the filter screen 12, the baffle 101 is driven to be inserted into the interior of the air inlet pipe 1 by starting the electric push rod 10, so that the baffle 101 blocks the air inlet pipe 1 to prevent impurities from falling from the mesh of the filter screen 12 into the inner bottom of the air inlet pipe 1.

[0036] Among them, a groove 1011 is opened on the top of the baffle 101, and the size of the groove 1011 is equal to the mesh size of the filter screen plate 12. Impurities falling from the mesh of the filter screen plate 12 fall into the inside of the groove 1011, preventing impurities from falling into the inside of the air inlet pipe 1 when the baffle 101 is pulled out of the air inlet pipe 1.

[0037] The filter screen plate 12 includes a mounting frame and a filter screen fixedly mounted on the mounting frame. The mounting frame is fixedly mounted on the air inlet pipe 1 by a first bolt 121 , so that the filter screen plate 12 can be easily disassembled, assembled and replaced.

[0038] The box cover 3 is fixed to the dust box 2 by a second bolt 32 . By providing the box cover 3 , it is convenient to inspect and replace the internal components of the dust box 2 , and it is convenient to clean the impurities at the bottom of the dust box 2 .

[0039] As is well known to those skilled in the art, the working principles and wiring methods of the first drive motor 6, the second drive motor 93 and the electric push rod 10 are commonplace, and are conventional means or common knowledge, and will not be elaborated here. Those skilled in the art can select their models arbitrarily according to their needs or convenience.

[0040] Working principle: when it is necessary to clean the impurities on the surface of the filter screen plate 12, first start the electric push rod 10 to drive the baffle 101 to be inserted into the interior of the air inlet duct 1, so that the baffle 101 is located directly below the filter screen plate 12, and then by starting the first drive motor 6, the screw sleeve 5 can be driven to move left and right on the screw rod 4, thereby driving the scraper 8 and the cleaning roller 92 installed on the screw sleeve 5 to scrape and grind back and forth on the surface of the filter screen plate 12, and the scraper 8 pushes the impurities to the bottom of the dust collecting box 2, and the cleaning roller 92 can further grind and clean the impurities in the mesh, and the impurities falling from the mesh of the filter screen plate 12 fall into the interior of the groove 1011 and will not fall into the interior of the air inlet duct 1. When the filter screen plate 12 is cleaned, the scraper 8 and the cleaning roller 92 are reset to one end of the screw rod 4, and the electric push rod 10 drives the baffle 101 to be pulled out from the interior of the air inlet duct 1, and the end of the baffle 101 is plugged into the interior of the socket 13 to prevent impurities from entering the interior of the air inlet duct 1 from the socket 13.

[0041] The above description shows and describes several preferred embodiments of the utility model, but as mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not deviate from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. A boiler combustion control device, comprising an air inlet pipe (1) used for boiler combustion, a blower (11) is installed inside the air inlet pipe (1), and a filter screen (12) is installed on the air inlet end of the air inlet pipe (1), characterized in that: A dust collecting box (2) is fixedly mounted on the air inlet end of the air inlet pipe (1), the air inlet end of the air inlet pipe (1) is in communication with the interior of the dust collecting box (2), a box cover (3) is detachably mounted on the upper part of the dust collecting box (2), and an air inlet (31) is provided on the box cover (3); An adjusting component is installed inside the dust box (2), a cleaning component is installed on the adjusting component, and the cleaning component can be moved on the filter screen plate (12) for cleaning; It also comprises an intercepting component, which is movably inserted into the interior of the air inlet pipe (1), and is located below the filter screen plate (12).

2. A boiler combustion control device according to claim 1, characterized in that: The adjusting component comprises first bearings (21) fixedly mounted on both sides of the dust collecting box (2), a screw (4) fixedly mounted between the inner rings of the two first bearings (21), a screw sleeve (5) threadedly mounted on the screw (4), a first drive motor (6) fixedly mounted on the outer side of the dust collecting box (2), and an output shaft of the first drive motor (6) fixedly connected to one end of the screw (4); A fixing rod (7) is also fixedly mounted on the inner wall of the dust collecting box (2), a sliding groove (71) is provided at the bottom of the fixing rod (7), a sliding block (72) is slidably mounted inside the sliding groove (71), and the lower end of the sliding block (72) is fixedly connected to the top of the screw sleeve (5).

3. A boiler combustion control device according to claim 2, characterized in that: The cleaning component comprises a first connecting rod (51) and a second connecting rod (52) fixedly mounted on the bottom of the screw sleeve (5), wherein: A scraper (8) is fixedly connected to the bottom of the first connecting rod (51), and a scraping surface of the scraper (8) contacts the surface of the filter screen plate (12); A mounting frame (9) is fixedly mounted at the bottom of the second connecting rod (52), a second bearing (91) is fixedly mounted on the mounting frame (9), a cleaning roller (92) is fixedly mounted in the inner ring of the second bearing (91), a second drive motor (93) is fixedly mounted on one side of the mounting frame (9), and an output shaft of the second drive motor (93) is fixedly connected to one end of the cleaning roller (92).

4. A boiler combustion control device according to claim 3, characterized in that: The cleaning roller (92) comprises a shaft and bristles fixedly mounted on the surface of the shaft, wherein the bristles are in contact with the surface of the filter screen plate (12).

5. A boiler combustion control device according to claim 1, characterized in that: The intercepting component comprises a baffle (101), a socket (13) is provided on one side of the air inlet pipe (1), and the baffle (101) passes through the socket (13) and extends into the interior of the air inlet pipe (1); It also comprises an electric push rod (10), wherein the electric push rod (10) is fixedly mounted on the dust collecting box (2), and the telescopic end of the electric push rod (10) is fixedly connected to one end of the baffle (101).

6. A boiler combustion control device according to claim 5, characterized in that: A groove (1011) is provided on the top of the baffle (101), and the size of the groove (1011) is equal to the size of the mesh surface of the filter screen (12).

7. A boiler combustion control device according to claim 1, characterized in that: The filter screen plate (12) comprises a mounting frame and a filter screen fixedly mounted on the mounting frame, and the mounting frame is fixedly mounted on the air inlet pipe (1) by means of a first bolt (121).

8. A boiler combustion control device according to any one of claims 1 to 7, characterized in that: The box cover (3) is fixed to the dust box (2) via a second bolt (32).

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