Observation window for dust container

Abstract

The utility model relates to the technical field of powder containers, and discloses an observation window for a dust container, which comprises a window frame, the window frame is mounted on the side wall of the container, organic glass is mounted in the window frame, a horizontal electric cylinder is fixed on the inner wall of the container below the window frame, a piston rod of the electric cylinder is hinged with a swing rod, and a sliding block is fixed at the other end of the swing rod. A long circular through hole is formed in the swing rod along the long edge of the swing rod, a positioning column is fixed to the window frame and inserted into the long circular through hole, a vertical scraping plate is further installed on the window frame in a sliding mode, a vertical sliding groove is formed in the scraping plate, the sliding block is installed in the sliding groove in a sliding mode, and a silica gel strip is further installed on the scraping plate and used for scraping organic glass. The utility model has the beneficial effects that the electric cylinder drives the oscillating bar to oscillate, and the oscillating bar pulls the scraper from one side of the window frame to the other side of the window frame, so that the silica gel strip scrapes off pulverized coal on the organic glass, and the obscure of the observation window caused by long-time pulverized coal accumulation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of powder containers, in particular to an observation window for dust containers. Background Art

[0002] In the entrained-bed pulverized coal gasification technology, the pulverized coal feeding tank is an indispensable key equipment in the production process. The pulverized coal feeding tank is connected to the upstream pulverized coal lock hopper and the downstream gasification furnace burner at the same time. It goes through four processes: pulverized coal from normal pressure silo to pulverized coal lock hopper, pulverized coal lock hopper pressurization, pulverized coal from pulverized coal lock hopper to pulverized coal feeding tank, and pulverized coal lock hopper pressure relief. The pulverized coal is converted from normal pressure to high pressure, and the process of adding coal from the low-pressure system to the high-pressure system pulverized coal feeding tank is realized.

[0003] The Chinese utility model patent (authorization announcement number: CN204325280U name: coal powder conveying device) includes a feeding tank, three coal powder lock hoppers are arranged above the feeding tank, each coal powder lock hopper is connected to the top of the feeding tank through a discharge pipe, and a discharge valve is arranged on the discharge pipe. One of the coal powder lock hoppers is connected to the feeding tank through a tank body pressure equalizing pipe, and a tank body balance valve is arranged on the tank body pressure equalizing pipe. A lock hopper pressure equalizing pipe is connected between the three coal powder lock hoppers, and a lock hopper pressure equalizing valve is arranged on the lock hopper pressure equalizing pipe connected to each coal powder lock hopper; a feeding pipe is arranged at the bottom of the feeding tank, and a feeding valve is arranged on the feeding pipe. The utility model can make full use of the nitrogen charged in the lock bucket, effectively reduce the consumption of nitrogen in the system, and has high economic benefits; the system can circulate coal powder online before feeding, and ensure the stability of feeding; the coal powder flow rate can be better controlled, and the instability of the system caused by coal powder fluctuation is better solved, and it has high safety production value. However, the observation window on the feeding tank is easy to be blurred due to dust accumulation after long-term operation. Utility Model Content

[0004] The utility model aims to provide an observation window for a dust container to overcome the shortcomings of the prior art.

[0005] The purpose of the utility model is achieved through the following technical solutions: an observation window for a dust container, comprising a window frame, the window frame is installed on the side wall of the container, plexiglass is installed in the window frame, a horizontal electric cylinder is fixed on the inner wall of the container below the window frame, a swing arm is hinged on the piston rod of the electric cylinder, a slider is fixed to the other end of the swing arm, an oblong through hole is provided on the swing arm along its long side, a positioning column is fixed on the window frame, the positioning column is inserted into the oblong through hole, a vertical scraper is also slidably installed on the window frame, a vertical slide groove is provided on the scraper, the slider is slidably installed in the slide groove, a silicone strip is also installed on the scraper, and the silicone strip is used to scrape the plexiglass.

[0006] Preferably, air pipes are fixed on both sides of the window frame, one end of the air pipe close to the bottom of the container is closed, and a plurality of nozzles distributed in a vertical direction are installed on the air pipe, and the nozzles face the side of the organic glass.

[0007] Preferably, an annular stopper is integrally formed in the window frame, the annular stopper is close to the outer wall of the container, an annular groove is also provided in the window frame, the annular groove is close to the inner wall of the container, a sealing member closed at both ends is installed in the annular groove, and the plexiglass is pressed tightly against the annular stopper through the sealing member.

[0008] Preferably, the sealing component comprises a rubber body and a rubber limiting portion, the rubber body is compressed and installed in the annular groove, the rubber limiting portion is integrally formed on the rubber body, and the rubber limiting portion is used to press against the organic glass.

[0009] Preferably, a protective pad is installed between the organic glass and the annular stopper.

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

[0011] The swinging arm is driven by the electric cylinder to swing, and the swinging arm pulls the scraper from one side of the window frame to the other side, so that the silicone strip scrapes the coal powder off the plexiglass, avoiding the long-term accumulation of coal powder and causing the observation window to be blurred. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 It is a cross-sectional schematic diagram of the utility model;

[0014] Figure 3 for Figure 1 A local enlarged schematic diagram of the middle A;

[0015] Figure 4 for Figure 2 A partial enlarged schematic diagram of point B in the middle;

[0016] In the figure, 1-window frame, 2-plexiglass, 3-electric cylinder, 4-rocker, 5-slider, 6-oblong through hole, 7-positioning column, 8-scraper, 9-slide, 10-air pipe, 11-sprinkler, 12-annular stopper, 13-annular groove, 14-rubber body, 15-rubber limit part, 16-protective pad. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. The components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present invention.

[0019] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features thereof may be combined with each other.

[0020] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0021] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the utility model product is usually placed when in use, or the positions or positional relationships commonly understood by those skilled in the art, which are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] like Figure 1-3As shown, an observation window for a dust container comprises a window frame 1, which is mounted on the side wall of the container, and organic glass 2 is mounted in the window frame 1. A horizontal electric cylinder 3 is fixed on the inner wall of the container below the window frame 1, and a swing rod 4 is hinged on the piston rod of the electric cylinder 3. A slider 5 is fixed on the other end of the swing rod 4. An oblong through hole 6 is provided on the swing rod 4 along its long side. A positioning column 7 is fixed on the window frame 1, and the positioning column 7 is inserted into the oblong through hole 6. A vertical scraper 8 is also slidably mounted on the window frame 1, and a vertical slide groove 9 is provided on the scraper 8. The slider 5 is slidably mounted in the slide groove 9. A silicone strip is also mounted on the scraper 8, and the silicone strip is used to scrape the organic glass 2. The swing rod 4 is driven to swing by the electric cylinder 3, and the swinging swing rod 4 pulls the scraper 8 from one side of the window frame 1 to the other side, so that the silicone strip scrapes off the coal powder on the organic glass 2, thereby avoiding the long-term accumulation of coal powder and causing the observation window to be blurred.

[0024] In this embodiment, if Figure 1 As shown, air pipes 10 are fixed on both sides of the window frame 1, and one end of the air pipe 10 close to the bottom of the container is closed. A plurality of nozzles 11 distributed in the vertical direction are installed on the air pipe 10, and the nozzles 11 face the side of the organic glass 2. The air pipe 10 can blow off the coal powder that is scraped by the silicone strip to the edge of the organic glass 2, so that the entire piece of glass remains clean.

[0025] In this embodiment, if Figure 2 and 4 As shown, an annular stopper 12 is integrally formed in the window frame 1, and the annular stopper 12 is close to the outer wall of the container. An annular groove 13 is also provided in the window frame 1, and the annular groove 13 is close to the inner wall of the container. A sealing member closed at both ends is installed in the annular groove 13, and the organic glass 2 is pressed tightly against the annular stopper 12 through the sealing member. The sealing member includes a rubber body 14 and a rubber limiting portion 15, and the rubber body 14 is compressed and installed in the annular groove 13, and the rubber limiting portion 15 is integrally formed on the rubber body 14, and the rubber limiting portion 15 is used to press against the organic glass 2, and the structure is simple and easy to disassemble and assemble.

[0026] In this embodiment, if Figure 1 As shown, a protective pad 16 is installed between the organic glass 2 and the annular stopper 12 , and the protective pad 16 protects the organic glass 2 from being squeezed and damaged by the annular stopper 12 , thereby extending the service life of the organic glass 2 .

[0027] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. An observation window for a dust container, comprising a window frame (1), wherein the window frame (1) is mounted on a side wall of the container, and organic glass (2) is mounted inside the window frame (1), characterized in that: A horizontal electric cylinder (3) is fixed on the inner wall of the container below the window frame (1), a swing rod (4) is hinged on the piston rod of the electric cylinder (3), a slider (5) is fixed to the other end of the swing rod (4), an oblong through hole (6) is provided on the swing rod (4) along its long side, a positioning column (7) is fixed on the window frame (1), the positioning column (7) is inserted into the oblong through hole (6), a vertical scraper (8) is also slidably mounted on the window frame (1), a vertical slide groove (9) is provided on the scraper (8), the slider (5) is slidably mounted in the slide groove (9), a silicone strip is also installed on the scraper (8), and the silicone strip is used to scrape the organic glass (2).

2. The observation window for a dust container according to claim 1, characterized in that: Air pipes (10) are fixed on both sides of the window frame (1), one end of the air pipe (10) close to the bottom of the container is closed, and a plurality of nozzles (11) distributed in a vertical direction are installed on the air pipe (10), and the nozzles (11) face the side of the organic glass (2).

3. The observation window for a dust container according to claim 1, characterized in that: An annular stopper (12) is integrally formed in the window frame (1), the annular stopper (12) being close to the outer wall of the container, an annular groove (13) is also provided in the window frame (1), the annular groove (13) being close to the inner wall of the container, a sealing member closed at both ends is installed in the annular groove (13), and the organic glass (2) is pressed tightly against the annular stopper (12) via the sealing member.

4. The observation window for a dust container according to claim 3, characterized in that: The sealing component comprises a rubber body (14) and a rubber limiting portion (15); the rubber body (14) is compressed and installed in the annular groove (13); the rubber limiting portion (15) is integrally formed on the rubber body (14); and the rubber limiting portion (15) is used to press against the organic glass (2).

5. The observation window for a dust container according to claim 3, characterized in that: A protective pad (16) is installed between the organic glass (2) and the annular stopper (12).

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