Primary filtering device of waste incineration power generation waste heat boiler

Abstract

The utility model belongs to the technical field of primary filtering devices, and particularly relates to a primary filtering device of a waste incineration power generation waste heat boiler, which comprises a box body, an air inlet pipe is fixedly connected to the upper end of the box body, an air outlet pipe is fixedly connected to the left side of the box body, and a connecting flange is fixedly connected to one end, far away from the box body, of the air outlet pipe. And a fixing plate is fixedly connected to the interior of the box body, a filter screen is arranged in the fixing plate, and a motor is fixedly connected to the right side of the box body. By arranging the motor, the rotating shaft, the mounting plate, the scraping plate and the like, the motor can be started to drive the rotating shaft to rotate, so that the rotating shaft drives the scraping plate to scrape the filter screen, smoke dust on the filter screen can be scraped off from the filter screen, and the filter screen can be effectively prevented from being blocked; the problem that when the primary filtering device for the waste incineration power generation waste heat boiler is used, a filter screen is prone to being blocked after being used for a long time is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of primary filtering devices, in particular to a primary filtering device for a waste heat boiler for power generation from garbage incineration. Background Art

[0002] The waste heat boiler for power generation from garbage incineration is a device that uses the waste heat of the waste gas from the garbage incineration power plant to generate steam, which in turn drives the steam turbine generator to generate electricity. During the garbage incineration process, the waste gas contains a large amount of high-temperature flue gas. Through the design and operation of the waste heat boiler, the energy in the flue gas can be recovered and utilized to the maximum extent. Through the waste heat boiler for power generation from garbage incineration, the energy in the flue gas during the garbage incineration process can be recovered and utilized to the maximum extent, realizing the reuse of energy and the effective utilization of resources. This can not only reduce the demand for traditional energy and reduce environmental pollution, but also provide renewable electricity to the surrounding areas. When the waste heat boiler for power generation from garbage incineration is used, a filter device is required to filter the flue gas, and the filter screen of the primary filter device used for the waste heat boiler for power generation from garbage incineration is prone to clogging when used for a long time, resulting in a decrease in the flue gas flow rate. Utility Model Content

[0003] The utility model aims to provide a primary filter device for a waste heat boiler for power generation from garbage incineration, which solves the problem that the filter screen of the primary filter device for the waste heat boiler for power generation from garbage incineration is easily clogged when used for a long time.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a primary filtration device for a waste heat boiler for waste incineration power generation, comprising a box body, an upper end of the box body is fixedly connected to an air inlet pipe, the left side of the box body is fixedly connected to an air outlet pipe, the end of the air outlet pipe away from the box body is fixedly connected to a connecting flange, the interior of the box body is fixedly connected to a fixing plate, a filter screen is arranged inside the fixing plate, the right side of the box body is fixedly connected to a motor, the output end of the motor is rotatably connected to the box body, the output end of the motor is fixedly connected to a rotating shaft through a connecting sleeve, the end of the rotating shaft away from the output end of the motor is fixedly connected to a mounting plate, the side of the mounting plate away from the rotating shaft is fixedly connected to a sleeve, the interior of the sleeve is slidably connected to a sliding rod, a spring is arranged inside the sleeve, and the end of the sliding rod away from the sleeve is fixedly connected to a scraper.

[0005] Preferably, a bracket is fixedly connected to the lower end of the box, and a supporting bottom is fixedly connected to the lower end of the bracket. The box can be kept stable through the design of the bracket.

[0006] Preferably, the number of the sleeves is four, and the four sleeves are evenly distributed on the mounting plate. Through the design of the sleeve, the scraper can be installed.

[0007] Preferably, a limiting ring is fixedly connected inside the sleeve, and a sliding rod is slidably connected inside the limiting ring. The limiting ring can limit the sliding rod through its design.

[0008] Preferably, one end of the spring contacts the slide bar, and the other end of the spring contacts the sleeve. The design of the spring can drive the scraper to fit the filter screen.

[0009] Preferably, there are two scrapers, and the two scrapers are in uniform contact with the filter screen. The design of the scrapers can effectively prevent the filter screen from being blocked.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model is provided with a motor, a rotating shaft, a mounting plate, a scraper and other components. By starting the motor, the motor drives the rotating shaft to rotate, and the rotating shaft drives the scraper to scrape the filter, so that the smoke and dust on the filter can be scraped off the filter, which can effectively prevent the filter from being blocked, and solves the problem that the filter of the primary filter device used for the waste heat boiler of garbage incineration power generation is prone to blockage when used for a long time.

[0012] 2. The utility model is provided with components such as a sleeve, a slide rod, and a spring, and the elastic force of the spring can drive the scraper on the slide rod to always keep in contact with the filter screen, so that the scraper can effectively scrape the filter screen, avoiding the phenomenon that the scraper is worn and the cleaning effect of the filter screen is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0014] Figure 2 For the utility model Figure 1 A three-dimensional diagram of the local structure;

[0015] Figure 3 For the utility model Figure 2 A front cross-sectional view of

[0016] Figure 4 For the utility model Figure 3 A magnified view of the structure of section A.

[0017] In the figure: 1. box body; 11. bracket; 12. supporting bottom; 13. air inlet pipe; 14. air outlet pipe; 15. connecting flange; 2. fixing plate; 21. filter screen; 3. motor; 31. rotating shaft; 32. mounting plate; 4. sleeve; 41. sliding rod; 42. limiting ring; 43. spring; 44. scraper. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-4 A primary filtration device for a waste heat boiler for power generation by garbage incineration comprises a box body 1, a bracket 11 is fixedly connected to the lower end of the box body 1, a support bottom 12 is fixedly connected to the lower end of the bracket 11, the box body 1 can be kept stable by the design of the bracket 11, an air inlet pipe 13 is fixedly connected to the upper end of the box body 1, an air outlet pipe 14 is fixedly connected to the left side of the box body 1, a connecting flange 15 is fixedly connected to the end of the air outlet pipe 14 away from the box body 1, a fixing plate 2 is fixedly connected to the inside of the box body 1, a filter screen 21 is arranged inside the fixing plate 2, a motor 3 is fixedly connected to the right side of the box body 1, an output end of the motor 3 is rotatably connected to the box body 1, an output end of the motor 3 is fixedly connected to a rotating shaft 31 through a connecting sleeve, and an end of the rotating shaft 31 away from the output end of the motor 3 is fixedly connected to a mounting plate 32.

[0020] See also Figure 2-4 A sleeve 4 is fixedly connected to one side of the mounting plate 32 away from the rotating shaft 31. There are four sleeves 4, which are evenly distributed on the mounting plate 32. The design of the sleeve 4 can be used to install a scraper 44. The interior of the sleeve 4 is slidably connected to a slide rod 41. The interior of the sleeve 4 is fixedly connected to a limiting ring 42. The interior of the limiting ring 42 is slidably connected to the slide rod 41. The design of the limiting ring 42 can limit the slide rod 41.

[0021] See also Figure 2-4 A spring 43 is provided inside the sleeve 4, one end of the spring 43 is in contact with the slide rod 41, and the other end of the spring 43 is in contact with the sleeve 4. Through the design of the spring 43, the scraper 44 can be driven to fit the filter screen 21. The end of the slide rod 41 away from the sleeve 4 is fixedly connected with the scraper 44. There are two scrapers 44, and the two scrapers 44 are evenly in contact with the filter screen 21. Through the design of the scraper 44, the filter screen 21 can be effectively prevented from being blocked.

[0022] The specific implementation process of the utility model is as follows: when in use, the smoke is allowed to enter the box body 1 through the air inlet pipe 13, and then is sent out from the air outlet pipe 14 after being filtered by the filter screen 21 on the fixed plate 2, and then the motor 3 is started, so that the output end of the motor 3 drives the rotating shaft 31 to rotate, and the rotating shaft 31 drives the mounting plate 32 to rotate, and the mounting plate 32 drives the sleeve 4 to rotate, and the sleeve 4 drives the slide bar 41 to rotate, so that the slide bar 41 drives the scraper 44 to scrape the filter screen 21, so that the dust on the filter screen 21 can be scraped off, and the filter screen 21 can be effectively prevented from being blocked due to long-term use. In addition, a spring 43 is arranged in the sleeve 4, and the scraper 44 on the slide bar 41 can be driven by the elastic force of the spring 43 to always fit with the filter screen 21, so as to avoid the scraper 44 from reducing the scraping effect on the filter screen 21 after wear.

[0023] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A primary filtration device for a waste heat boiler for power generation from garbage incineration, comprising a housing (1), characterized in that: An air inlet pipe (13) is fixedly connected to the upper end of the box (1), an air outlet pipe (14) is fixedly connected to the left side of the box (1), and a connecting flange (15) is fixedly connected to the end of the air outlet pipe (14) away from the box (1). A fixing plate (2) is fixedly connected to the inside of the box (1), and a filter screen (21) is arranged inside the fixing plate (2). A motor (3) is fixedly connected to the right side of the box (1), and an output end of the motor (3) is rotatably connected to the box (1). The output end of the motor (3) is fixedly connected to a rotating shaft (31) via a connecting sleeve; one end of the rotating shaft (31) away from the output end of the motor (3) is fixedly connected to a mounting plate (32); a side of the mounting plate (32) away from the rotating shaft (31) is fixedly connected to a sleeve (4); a sliding rod (41) is slidably connected inside the sleeve (4); a spring (43) is provided inside the sleeve (4); and one end of the sliding rod (41) away from the sleeve (4) is fixedly connected to a scraper (44).

2. A preliminary filtration device for waste heat boiler for power generation from garbage incineration according to claim 1, characterized in that: The lower end of the box body (1) is fixedly connected to a bracket (11), and the lower end of the bracket (11) is fixedly connected to a supporting bottom (12).

3. The primary filtration device for waste heat boiler for power generation from garbage incineration according to claim 1 is characterized in that: The number of the sleeves (4) is four, and the four sleeves (4) are evenly distributed on the mounting plate (32).

4. The primary filtration device for waste heat boiler for power generation from garbage incineration according to claim 1 is characterized by: The interior of the sleeve (4) is fixedly connected to a limit ring (42), and the interior of the limit ring (42) is slidably connected to a slide rod (41).

5. The primary filtration device for waste heat boiler for power generation from garbage incineration according to claim 1 is characterized by: One end of the spring (43) contacts the slide bar (41), and the other end of the spring (43) contacts the sleeve (4).

6. The primary filtration device for waste heat boiler for power generation from garbage incineration according to claim 1 is characterized by: The number of the scrapers (44) is two, and the two scrapers (44) are in uniform contact with the filter screen (21).

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