Intelligent blowdown device for boiler

Abstract

The utility model relates to the technical field of boilers, in particular to an intelligent boiler blowdown device which comprises a boiler shell, a plurality of guide bar rails are fixedly connected between the inner walls of the boiler shell through supports, and the guide bar rails are installed in the circumferential direction of the inner walls of the boiler shell at equal angles. A wall scraping ring is slidably mounted between the inner walls of the boiler shell, a plurality of guide rail grooves are formed between the inner walls of the wall scraping ring, the guide rail grooves are matched with the guide strip rails correspondingly, and a gear ring is arranged at the center of the outer portion of the wall scraping ring; the wall scraping ring is installed on the inner wall of the guide strip rail in a sliding mode, and meanwhile the wall scraping ring is guided through mutual matching between the guide strip rail and the guide rail groove, so that the wall scraping ring can move up and down on the inner wall of the boiler shell in a rotating mode, and water scale attached to the inner wall of the boiler shell is removed. And the situation that the boiler heat transfer efficiency is reduced due to scale accumulation is prevented, and device practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of boilers, in particular to an intelligent sewage discharge device for a boiler. Background Art

[0002] Boiler blowdown is an important operation to regularly discharge the boiler water contaminated by salt and water slag in the boiler to maintain the normal operation of the boiler and extend its service life. Boiler blowdown is mainly divided into two methods: continuous blowdown and periodic blowdown. Periodic blowdown is mainly to remove rust slag, calcium and magnesium flocculent precipitation and other insoluble water slag that have not been completely desalted, reduce the degree of adhesion of these impurities on the boiler wall, and improve the thermal efficiency of the boiler.

[0003] In the current existing technology, as the boiler is used for a longer time and the boiler water is not thoroughly purified, a certain amount of scale will adhere to the inner wall of the boiler shell. The simple sewage discharge method cannot remove the scale from the inner wall of the boiler. The scale will gradually accumulate. The continuous accumulation of scale on the inner wall of the boiler will have a certain adverse effect on the heat conduction of the boiler and affect the efficiency of the boiler.

[0004] Therefore, in order to solve the above problems, a boiler intelligent sewage discharge device is proposed. Utility Model Content

[0005] In order to make up for the shortcomings of the existing technology and solve the problem that a certain amount of scale will adhere to the inner wall of the boiler shell, and the simple sewage discharge method cannot remove the scale from the inner wall of the boiler, the scale will gradually accumulate, and the continuous accumulation of scale on the inner wall of the boiler will have a certain adverse effect on the heat conduction of the boiler and affect the efficiency of the boiler, a boiler intelligent sewage discharge device is proposed.

[0006] The technical solution adopted by the present invention to solve its technical problems is: a boiler intelligent sewage discharge device described in the present invention includes a boiler shell, a plurality of guide rails are fixedly connected between the inner walls of the boiler shell by a bracket, the guide rails are installed at equal angles along the circumferential direction of the inner wall of the boiler shell, a scraper ring is slidably installed between the inner walls of the boiler shell, a plurality of guide rail grooves are provided between the inner walls of the scraper ring, and the plurality of guide rail grooves respectively fit with the plurality of guide rails, a gear ring is provided at the outer center of the scraper ring, a ring gear is fixed between the inner walls of the gear ring, and positioning rings are provided above and below the outer wall of the scraper ring.

[0007] Preferably, the inner wall of the boiler shell is connected to a plurality of output covers, and the plurality of output covers are arranged at equally divided angles along the circumferential direction of the inner wall of the boiler shell, and output components are installed inside the output covers.

[0008] Preferably, the output assembly includes a guide rod, both ends of the guide rod are fixed to the inner walls of the output cover via bearings, and a limiting groove is provided on the outer wall of the guide rod.

[0009] Preferably, a driving gear is slidably mounted on the outer wall of the guide rod, and the driving gear is meshed with the ring gear.

[0010] Preferably, a limiting block is fixedly connected to the inner wall of the driving gear, and the limiting block is slidably installed inside the limiting groove.

[0011] Preferably, both ends of the outer wall of the driving gear are fixedly connected with limiting rings, and the limiting rings are respectively engaged with two positioning rings.

[0012] Preferably, a plurality of driving machines are mounted on the outer wall of the boiler shell via a bracket, and the output shafts of the plurality of driving machines are respectively connected to the axes of the plurality of guide rods.

[0013] Beneficial effects of the utility model:

[0014] In the utility model, the scraper ring is slidably installed on the inner wall of the guide rail and is guided by the mutual fit between the guide rail and the guide rail groove, so that the scraper ring can move up and down on the inner wall of the boiler shell by rotating, thereby removing scale attached to the inner wall of the boiler shell, preventing the boiler heat transfer efficiency from being reduced due to scale accumulation, and increasing the practicality of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0016] Figure 1 It is a three-dimensional diagram of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of the boiler shell in the utility model;

[0018] Figure 3 This is a three-dimensional diagram of the scraper ring in the utility model;

[0019] Figure 4 It is a three-dimensional diagram of the driving gear in the utility model;

[0020] Figure 5 It is a three-dimensional diagram of the guide rod and the driving machine in the utility model;

[0021] Legend:

[0022] 1. Boiler shell; 11. Guide rail; 2. Scraper ring; 21. Guide rail groove; 22. Gear ring; 23. Ring gear; 24. Positioning ring; 12. Output cover; 3. Output assembly; 31. Guide rod; 311. Limiting groove; 32. Drive gear; 321. Limiting block; 322. Limiting ring; 4. Drive motor. DETAILED DESCRIPTION

[0023] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Specific examples are given below.

[0025] See also Figure 1 - Figure 5 The utility model provides an intelligent boiler sewage discharge device, including a boiler shell 1, wherein a plurality of guide rails 11 are fixedly connected between the inner walls of the boiler shell 1 through a bracket, and the guide rails 11 are installed along the circumferential direction of the inner wall of the boiler shell 1 at equal angles, and a scraper ring 2 is slidably installed between the inner walls of the boiler shell 1, and a plurality of guide rail grooves 21 are provided between the inner walls of the scraper ring 2, and the plurality of guide rail grooves 21 respectively fit with the plurality of guide rails 11. A gear ring 22 is provided at the outer center of the scraper ring 2, and a ring gear 23 is fixed between the inner walls of the gear ring 22. Positioning rings 24 are provided above and below the outer wall of the scraper ring 2. The scraper ring 2 is slidably installed on the inner wall of the guide rail 11, and the scraper ring 2 is guided by the mutual fit between the guide rail 11 and the guide rail groove 21, so that the scraper ring 2 can move up and down on the inner wall of the boiler shell 1 by rotating, so as to remove scale attached to the inner wall of the boiler shell 1;

[0026] like Figure 1 and Figure 2 As shown, the inner wall of the boiler shell 1 is connected to a plurality of output covers 12, which are arranged at equal angles along the circumferential direction of the inner wall of the boiler shell 1. The output components 3 are installed inside the output covers 12. The output components 3 are installed inside the output covers 12 and are linked to the ring gear 23 and the positioning ring 24.

[0027] like Figure 2 、 Figure 3 、 Figure 4 and Figure 5As shown, the output assembly 3 includes a guide rod 31, both ends of the guide rod 31 are fixed to the inner walls of the two ends of the output cover 12 through bearings, the outer wall of the guide rod 31 is provided with a limit groove 311, the outer wall of the guide rod 31 is slidably mounted with a driving gear 32, the driving gear 32 and the ring gear 23 are meshed with each other, the inner wall of the driving gear 32 is fixed with a limit block 321, the limit block 321 is slidably mounted inside the limit groove 311, and both ends of the outer wall of the driving gear 32 are fixed with a limit ring 322, the limit ring 3 22 are respectively engaged with the two positioning rings 24. When the driving gear 32 is slidably sleeved on the outer wall of the guide rod 31, the limiting block 321 and the limiting groove 311 are engaged with each other, so that the driving gear 32 can rotate along the outer wall of the guide rod 31 while moving up and down, and can rotate along with the rotation of the guide rod 31, and drive the scraper ring 2 to rotate as a whole under the rotation drive of the guide rod 31. The mutual engagement of the limiting ring 322 and the positioning ring 24 can reduce the vertical upward pressure on the inner core of the gear ring 22 and the driving gear 32.

[0028] like Figure 5 As shown, a plurality of driving machines 4 are mounted on the outer wall of the boiler shell 1 through a bracket. The output shafts of the plurality of driving machines 4 are respectively connected to the axis of the plurality of guide rods 31. The driving machines 4 provide a rotational output force for the guide rods 31.

[0029] Working principle: The scraper ring 2 is slidably installed on the inner wall of the guide rail 11 and the scraper ring 2 is guided by the mutual fit between the guide rail 11 and the guide rail groove 21, so that the scraper ring 2 can move up and down on the inner wall of the boiler shell 1 by rotation, and remove the scale attached to the inner wall of the boiler shell 1. The output assembly 3 is installed inside the output cover 12 and is linked to the ring gear 23 and the positioning ring 24. The driving gear 32 is slidably fitted on the outer wall of the guide rod 31 and, through the mutual fit between the limit block 321 and the limit groove 311, the driving gear 32 can rotate along the outer wall of the guide rod 31 while moving up and down. It can rotate with its rotation and drive the scraper ring 2 as a whole under the rotation drive of the guide rod 31. The driving machine 4 provides rotational output force for the guide rod 31, and the mutual fit between the limit ring 322 and the positioning ring 24 can reduce the vertical upward pressure behind the gear ring 22 and the driving gear 32.

[0030] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. A boiler intelligent blowdown device, characterized by: The invention comprises a boiler shell (1), wherein a plurality of guide rails (11) are fixedly connected between the inner walls of the boiler shell (1) via a bracket, and the guide rails (11) are installed along the circumferential direction of the inner wall of the boiler shell (1) at equal angles, and a scraper ring (2) is slidably installed between the inner walls of the boiler shell (1), and a plurality of guide rail grooves (21) are provided between the inner walls of the scraper ring (2), and the plurality of guide rail grooves (21) respectively fit with the plurality of guide rails (11), and a gear ring (22) is provided at the outer center of the scraper ring (2), and a ring gear (23) is fixedly connected between the inner walls of the gear ring (22), and positioning rings (24) are provided above and below the outer wall of the scraper ring (2).

2. The intelligent boiler blowdown device according to claim 1, characterized in that: The inner wall of the boiler shell (1) is connected to a plurality of output covers (12), and the plurality of output covers (12) are arranged along the circumferential direction of the inner wall of the boiler shell (1) at equal angles, and an output assembly (3) is installed inside the output cover (12).

3. The intelligent boiler blowdown device according to claim 2, characterized in that: The output assembly (3) comprises a guide rod (31), both ends of the guide rod (31) are fixed to the inner walls of both ends of the output cover (12) through bearings, and a limiting groove (311) is provided on the outer wall of the guide rod (31).

4. The intelligent boiler blowdown device according to claim 3, characterized in that: A driving gear (32) is slidably mounted on the outer wall of the guide rod (31), and the driving gear (32) is meshed with the ring gear (23).

5. The intelligent boiler blowdown device according to claim 4, characterized in that: The inner wall of the driving gear (32) is fixedly connected to a limiting block (321), and the limiting block (321) is slidably mounted inside the limiting groove (311).

6. The intelligent boiler blowdown device according to claim 5, characterized in that: Both ends of the outer wall of the driving gear (32) are fixedly connected to limiting rings (322), and the limiting rings (322) are respectively engaged with two positioning rings (24).

7. The intelligent boiler blowdown device according to claim 1, characterized in that: A plurality of driving machines (4) are mounted on the outer wall of the boiler shell (1) via a bracket, and the output shafts of the plurality of driving machines (4) are respectively connected to the axis centers of the plurality of guide rods (31).

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