Cleaning device for coal dropping pipe of coal conveying system

Abstract

The utility model discloses a coal chute cleaning device of a coal conveying system. At present, coal blockage of a coal drop pipe is cleaned by poking coal through a long rod, and the cleaning mode is relatively difficult. The coal loosening device comprises a coal dropping pipe (1), an inner sleeve (2) is sleeved in the coal dropping pipe, the lower end of the inner sleeve is in threaded connection with a coal loosening sleeve (7), and a coal loosening rod (8) is fixed in the coal loosening sleeve. A flange plate (6) is arranged outside the inner sleeve, a plurality of vertical hanging rings (5) which are circumferentially arranged are fixed on the flange plate, a plurality of transverse hanging rings (3) which are circumferentially arranged are fixed on the outer side wall of the coal drop pipe, and the transverse hanging rings are connected with the vertical hanging rings through hooks (4). The device is used for cleaning the coal drop pipe of the coal conveying system.

Description

Technical Field

[0001] The utility model relates to a coal dropping pipe cleaning device of a coal conveying system. Background Art

[0002] Coal resources are in short supply now, so in order to save energy and reduce power generation costs, power plants will mix some coal slime into the raw coal. After mixing with the coal slime, due to the high moisture content, the coal drop pipe will be frequently blocked during coal transportation. The current way to clean the coal drop pipe is to poke the coal with a long pole, which is more difficult to clean. Utility Model Content

[0003] The utility model aims to solve the above-mentioned technical problems and provides a coal drop pipe cleaning device for a coal conveying system.

[0004] The above purpose is achieved through the following technical solutions:

[0005] A coal pipe cleaning device for a coal conveying system comprises: a coal pipe, wherein an inner sleeve is sleeved in the coal pipe, the lower end of the inner sleeve is threadedly connected with a coal loosening sleeve, and a coal loosening rod is fixed in the coal loosening sleeve;

[0006] The outer part of the inner sleeve has a flange plate, on which a plurality of vertical hanging rings arranged in a circumference are fixed, and the outer side wall of the coal drop pipe has a plurality of horizontal hanging rings arranged in a circumference fixed, and the horizontal hanging rings are connected to the vertical hanging rings by hooks.

[0007] The coal conveying system coal drop pipe cleaning device, the coal loosening rod is a π-shaped rod. Beneficial Effects

[0008] 1. The utility model provides an inner sleeve on the inner pipe wall of the coal drop pipe and is connected by a hook. When the coal mixed with coal slime in the coal bin hopper falls from the hopper into the coal drop pipe, the inner sleeve will be directly blocked when blockage occurs. At this time, the coal loosening sleeve can be threadedly connected to the bottom of the inner sleeve and the coal loosening sleeve is rotated. During the rotation, the coal loosening rod loosens the blocked coal. At the same time, due to the rotation of the coal loosening sleeve, the coal loosening rod also rotates, thereby achieving the effect of stripping the coal while moving circumferentially upward.

[0009] 2. After a large amount of blocked coal falls off, the hook can be removed, the inner sleeve can be removed, and the coal slime on the inner wall of the inner sleeve can be cleaned, thereby improving the efficiency of cleaning the blocked coal. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is the front view of the utility model;

[0011] Figure 2 It is a bottom view of the utility model;

[0012] Figure 3 It is a schematic diagram of the structure of the utility model in the coal conveying state;

[0013] In the figure: 1. coal drop pipe; 2. inner sleeve; 3. horizontal hanging ring; 4. hook; 5. vertical hanging ring; 6. flange plate; 7. coal loosening sleeve; 8. coal loosening rod. DETAILED DESCRIPTION

[0014] Reference Figure 1-Figure 2 A coal pipe cleaning device for a coal conveying system, comprising: a coal pipe 1, wherein the coal pipe is sleeved with an inner sleeve 2, wherein the lower end of the inner sleeve is threadedly connected with a coal loosening sleeve 7, wherein a coal loosening rod 8 is fixed in the coal loosening sleeve, and wherein the coal loosening rod is a π-shaped rod;

[0015] The outer part of the inner sleeve has a flange plate 6, on which a plurality of circumferentially arranged vertical hanging rings 5 ​​are fixed, and the outer wall of the coal drop pipe has a plurality of circumferentially arranged horizontal hanging rings 3 fixed, and the horizontal hanging rings are connected to the vertical hanging rings by hooks 4.

[0016] Working principle: When coal needs to be transported, the loose coal sleeve is removed, the inner sleeve is inserted into the coal drop pipe, and then hung on the horizontal hanging ring through a hook to fix the inner sleeve. In this way, when coal slime is blocked during coal transportation, it will be directly blocked inside the inner sleeve;

[0017] After blockage occurs, the coal loosening sleeve is threadedly connected to the bottom of the inner sleeve. The bottom of the inner sleeve has an external thread, and the coal loosening sleeve has an internal thread. The two threads cooperate, and the coal loosening rod will rotate accordingly during the rotation of the coal loosening sleeve, and the height will gradually increase. In this way, the coal blocked inside can be dredged, and the effect of circumferential coal dredging can be achieved. After dredging, most of the blocked coal falls out, and then the hook is removed, and the inner sleeve is removed to clean the coal slime on the inner wall of the inner sleeve. This can greatly improve the efficiency of coal blockage cleaning.

Claims

1. A coal conveying system coal pipe cleaning device, comprising: The coal dropping pipe is characterized in that: the coal dropping pipe is sheathed with an inner sleeve, the lower end of the inner sleeve is threadedly connected with a coal loosening sleeve, and a coal loosening rod is fixed in the coal loosening sleeve; The outer part of the inner sleeve has a flange plate, on which a plurality of vertical hanging rings arranged in a circumference are fixed, and the outer side wall of the coal drop pipe has a plurality of horizontal hanging rings arranged in a circumference fixed, and the horizontal hanging rings are connected to the vertical hanging rings by hooks.

2. A coal conveying system coal drop pipe cleaning device according to claim 1, characterized in that: The pine coal rod is a π-shaped rod.

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