Boiler superheater

Abstract

The utility model relates to a boiler superheater in the technical field of superheaters, a cleaning device comprises an adjusting assembly meshed with a scraping device, a rod body of the adjusting assembly is in threaded connection with a cleaning assembly used for cleaning the superheater, and a guide rod used for guiding the cleaning assembly is arranged on the left side of the adjusting assembly; the scraping device comprises a driving assembly used for driving the adjusting assembly to rotate, and a scraping assembly used for scraping the bottom end of the cavity of the box body is connected to a rod body of the driving assembly in a threaded mode. A second bidirectional threaded rod can be driven by a motor to rotate, so that a scraping plate can move left and right along a rod body of the second bidirectional threaded rod, a first bidirectional threaded rod can be driven to rotate, a threaded sleeve plate at the front end of a cleaning plate can be driven to move up and down along a rod body of the first bidirectional threaded rod, and dust accumulated on the superheater can be cleaned; therefore, dust deposition and scaling after long-time use of the superheater can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of superheaters, in particular to a boiler superheater. Background Art

[0002] The boiler superheater recovers the energy of the boiler flue gas, allowing the steam from the boiler to be heated and converted into dry steam, which is beneficial to improving the thermal efficiency of the boiler and also helps the steam turbine avoid water hammer. The reheater recovers energy from the spent steam of the steam turbine and heats the circulating water entering the boiler. For example, as shown in a boiler body superheater with Chinese patent application number CN202320554456.7, a superheater air inlet pipe is inserted on one side of the bottom end of the box body, and the bottom end of the superheater air inlet pipe is fixedly connected to the superheater inlet header; the top of the superheater air inlet pipe is fixedly connected to a first connecting steel pipe, one end of which is fixedly connected to a U-shaped pipe; the other side of the bottom end of the box body is inserted with a superheater air outlet pipe, and the bottom end of the superheater air outlet pipe is fixedly connected to the superheater outlet header; the top and bottom sides of the U-shaped pipe are both provided with a first comb plate, and the other sides of the top and bottom of the U-shaped pipe are both provided with a second comb plate, and the middle part of the U-shaped pipe is fixedly connected to a plurality of first H-shaped fins.

[0003] However, when the boiler superheater is used for a long time, dust and scaling will accumulate on the boiler superheater body, affecting the normal heat dissipation of the boiler superheater, thereby causing the scaling on the boiler superheater body to affect the heating production of the boiler superheater. Utility Model Content

[0004] In order to solve the problem raised in the above background art that dust and scaling may accumulate on the boiler superheater body during long-term use, and that the scaling on the boiler superheater body may affect the heating performance of the boiler superheater due to the lack of cleaning of the dust on the boiler superheater body, the present invention provides the following technical solutions:

[0005] A boiler superheater comprises a box body, wherein a superheater for heating is arranged in the box body, a cleaning device for cleaning dust accumulated on the superheater is arranged in the box body, and a scraping device for scraping fallen dust is arranged in the box body.

[0006] The cleaning device includes an adjusting component engaged with the scraping device, a rod of the adjusting component is threaded with a cleaning component for cleaning the superheater, and a guide rod for guiding the cleaning component is provided on the left side of the adjusting component.

[0007] The scraping device comprises a driving assembly for driving the adjusting assembly to rotate, and a scraping assembly for scraping the bottom end of the cavity of the box body is threadedly connected to the rod body of the driving assembly.

[0008] Furthermore, the adjustment component includes a bidirectional threaded rod 1 arranged in the box body for driving the cleaning component to move up and down, and the bottom end of the bidirectional threaded rod 1 is provided with a bevel gear 1 for engaging with the driving component.

[0009] Furthermore, the cleaning assembly includes a cleaning plate for cleaning the superheater, and a threaded sleeve plate for threading with the bevel gear is fixedly mounted on the front end of the cleaning plate.

[0010] Furthermore, a guide plate for sliding on the rod body of the guide plate is fixedly installed at the front end of the cleaning plate, and the guide plate is located on the right side of the threaded sleeve plate. A slider for guiding the cleaning plate is fixedly installed at the rear end of the cleaning plate, and there are two sliders.

[0011] Furthermore, the driving assembly includes a bidirectional threaded rod 2 arranged in a box for rotation, a motor for driving the bidirectional threaded rod 2 to rotate is fixedly installed on the right end of the bidirectional threaded rod 2, and a bevel gear 2 for engaging with bevel gear 1 is fixedly installed on the rod body of the bidirectional threaded rod 2.

[0012] Furthermore, the scraping assembly includes a scraper connected to the bidirectional threaded rod for left and right movement, and a sliding rod for guiding the scraper is provided on the plate body of the scraper.

[0013] Furthermore, slag discharge ports are provided on the left and right sides of the box body, and fixing rods for fixing the superheater are provided inside the box body.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] By arranging a cleaning device and a scraping device, the dust cleaned from the superheater can be discharged to the slag discharge port through the scraper; at the same time, under the meshing connection of the bevel gear 1 and the bevel gear 2, the two-way threaded rod 1 can be driven to rotate, and the threaded sleeve on the front end of the cleaning plate can be driven to move up and down along the rod body of the two-way threaded rod 1, and at the same time, the guide plate can move up and down along the rod body of the guide rod and the slider on the end of the cleaning plate can move up and down along the inner wall of the box body, so as to clean the dust accumulated in the superheater; thereby, the dust and scaling of the superheater can be prevented after long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is a front sectional view of the box body of the utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the cleaning device of the utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the scraping device of the utility model;

[0020] Figure 5 For this utility model Figure 4 Enlarged view of point A in the middle.

[0021] In the accompanying drawings, the names of the components represented by the reference numerals are listed as follows:

[0022] 100-cabinet;

[0023] 200-superheater;

[0024] 300-cleaning device, 310-adjusting assembly, 311-bidirectional threaded rod 1, 312-bevel gear 1, 320-cleaning assembly, 321-cleaning plate, 322-threaded sleeve plate, 323-slider, 324-guide plate, 330-guide rod;

[0025] 400 - scraping device, 410 - driving assembly, 411 - motor, 412 - two-way threaded rod 2, 413 - bevel gear 2, 420 - scraping assembly, 421 - scraper, 422 - slide rod;

[0026] 001-slag discharge port, 002-fixing rod. DETAILED DESCRIPTION

[0027] The following describes in detail the preferred specific implementations of the present invention, and provides a clear and complete description in conjunction with the accompanying drawings.

[0028] See also Figure 1-Figure 5 , the utility model provides a boiler superheater.

[0029] The invention comprises a housing 100 , in which a superheater 200 for heating is provided, a cleaning device 300 for cleaning dust accumulated on the superheater 200 is provided, and a scraping device 400 for scraping off fallen dust is provided.

[0030] Slag discharge ports 001 are provided on the left and right sides of the box body 100 , and there are two slag discharge ports 001 . A fixing rod 002 for fixing the superheater 200 is provided inside the box body 100 .

[0031] The cleaning device 300 includes an adjusting assembly 310 engaged with the scraping device 400 . A cleaning assembly 320 for cleaning the superheater 200 is threadedly connected to the rod of the adjusting assembly 310 . A guide rod 330 for guiding the cleaning assembly 320 is provided on the left side of the adjusting assembly 310 .

[0032] The adjustment assembly 310 includes a bidirectional threaded rod 311 arranged in the housing 100 for driving the cleaning assembly 320 to move up and down, and the upper and lower ends of the bidirectional threaded rod 311 are connected to the housing 100 through bearings to facilitate the rotation of the bidirectional threaded rod 311; the bottom end of the bidirectional threaded rod 311 is provided with a bevel gear 312 for engaging with the driving assembly 410.

[0033] The cleaning assembly 320 includes a cleaning plate 321 for cleaning the superheater 200. The front end of the cleaning plate 321 is fixedly mounted with a threaded sleeve 322 for threaded connection with the bevel gear 312. The front end of the cleaning plate 321 is fixedly mounted with a guide plate 324 for sliding on the rod body of the guide plate 324, and the guide plate 324 is located on the right side of the threaded sleeve 322. The rear end of the cleaning plate 321 is fixedly mounted with a slider 323 for guiding the cleaning plate 321, and the slider 323 has two Two sliders 323 are welded to the rear end of the cleaning plate 321 in a left-right symmetrical manner; thus, under the rotation of the bidirectional threaded rod 311, the threaded sleeve 322 on the front end of the cleaning plate 321 can be driven to move up and down along the rod body of the bidirectional threaded rod 311, and at the same time, the guide plate 324 can move up and down along the rod body of the guide rod 330 and the slider on the end of the cleaning plate 321 can move up and down along the inner wall of the box body 100, so that the dust accumulated in the superheater 200 can be cleaned.

[0034] The scraping device 400 includes a driving assembly 410 for driving the adjusting assembly 310 to rotate. A scraping assembly 420 for scraping the bottom end of the cavity of the box body 100 is threadedly connected to the rod of the driving assembly 410 .

[0035] The driving assembly 410 includes a bidirectional threaded rod 2 412 arranged in the box body 100 for rotation, and the left and right ends of the bidirectional threaded rod 2 412 are connected to the box body 100 through bearings to facilitate the rotation of the bidirectional threaded rod 2 412; the right end of the bidirectional threaded rod 2 412 is fixedly installed with a motor 411 for driving the bidirectional threaded rod 2 412 to rotate, and the rod body of the bidirectional threaded rod 2 412 is fixedly installed with a bevel gear 2 413 for engaging with the bevel gear 1 312.

[0036] The scraping assembly 420 includes a scraper 421 threadedly connected to the bidirectional threaded rod 412 for left and right movement, and a sliding rod 422 for guiding the scraper 421 is provided on the plate body of the scraper 421; so that when it is necessary to clean the dust accumulated on the superheater 200, the bidirectional threaded rod 412 can be driven by the motor 411 to rotate, so that the scraper 421 can be moved left and right along the rod body of the bidirectional threaded rod 412, so that the dust cleaned from the superheater 200 can be discharged to the slag discharge port 001 through the scraper 421; at the same time, When bevel gear 1 312 is meshed with bevel gear 2 413, bidirectional threaded rod 1 311 can be driven to rotate, thereby driving threaded sleeve 322 on the front end of cleaning plate 321 to move up and down along the rod body of bidirectional threaded rod 1 311. At the same time, guide plate 324 can move up and down along the rod body of guide rod 330, and the slider on the end of cleaning plate 321 can move up and down along the inner wall of box body 100, thereby cleaning the dust accumulated in superheater 200; thereby preventing dust and scaling of superheater 200 from being affected by long-term use.

[0037] Based on the above content and the accompanying drawings, those skilled in the art can understand and implement the present invention. In addition, any non-creative modifications made to the present invention by those skilled in the art without making any creative work still fall within the scope of protection of the present invention.

Claims

1. A boiler superheater, comprising a housing (100), characterized in that: A superheater (200) for heating is provided in the box (100), a cleaning device (300) for cleaning dust accumulated on the superheater (200) is provided in the box (100), and a scraping device (400) for scraping off fallen dust is provided in the box (100); The cleaning device (300) includes an adjusting assembly (310) engaged with the scraping device (400); a cleaning assembly (320) for cleaning the superheater (200) is threadedly connected to a rod of the adjusting assembly (310); and a guide rod (330) for guiding the cleaning assembly (320) is provided on the left side of the adjusting assembly (310); The scraping device (400) comprises a driving assembly (410) for driving the adjusting assembly (310) to rotate, and a scraping assembly (420) for scraping the bottom end of the cavity of the box (100) is threadedly connected to the rod of the driving assembly (410).

2. A boiler superheater according to claim 1, characterized in that: The adjusting assembly (310) includes a bidirectional threaded rod (311) disposed in the housing (100) for driving the cleaning assembly (320) to move up and down, and a bevel gear (312) is disposed at the bottom end of the bidirectional threaded rod (311) for engaging with the driving assembly (410).

3. The boiler superheater according to claim 2, characterized in that: The cleaning assembly (320) includes a cleaning plate (321) for cleaning the superheater (200), and a threaded sleeve (322) for threaded connection with bevel gear one (312) is fixedly mounted on the front end of the cleaning plate (321).

4. A boiler superheater according to claim 3, characterized in that: A guide plate (324) for sliding on the rod body of the guide plate (324) is fixedly installed at the front end of the cleaning plate (321), and the guide plate (324) is located on the right side of the threaded sleeve (322). A slider (323) for guiding the cleaning plate (321) is fixedly installed at the rear end of the cleaning plate (321), and there are two sliders (323).

5. The boiler superheater according to claim 2, characterized in that: The driving assembly (410) includes a second bidirectional threaded rod (412) arranged in a housing (100) for rotation, a motor (411) for driving the second bidirectional threaded rod (412) to rotate is fixedly mounted on the right end of the second bidirectional threaded rod (412), and a second bevel gear (413) for meshing with the first bevel gear (312) is fixedly mounted on the rod body of the second bidirectional threaded rod (412).

6. The boiler superheater according to claim 5, characterized in that: The scraping assembly (420) includes a scraper (421) threadedly connected to a bidirectional threaded rod (412) for left and right movement, and a sliding rod (422) for guiding the scraper (421) is provided on the plate body of the scraper (421).

7. The boiler superheater according to claim 1, characterized in that: Slag discharge ports (001) are provided on the left and right sides of the box body (100), and fixing rods (002) for fixing the superheater (200) are provided inside the box body (100).

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