Pulverized coal leakage prevention device for coal chute manhole
By designing a combination of fixing bolts, sealing gaskets and door grooves at the coal chute inspection hole, the problem of lax sealing of the coal chute guard plate and the observation hole door plate is solved, and effective leakage prevention and environmental improvement of coal powder is achieved.
Patent Information
- Application Number
- CN202422567163.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-23
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-10-23
AI Technical Summary
The coal chute guard plate and the observation hole door plate are not tightly sealed, resulting in coal powder leakage and affecting the health of staff.
A coal chute maintenance hole coal powder leakage prevention device is designed. By welding fixing bolts, sealing gaskets and door grooves, the tight connection between the coal chute guard plate and the observation hole door plate is achieved, and a butterfly nut and high-strength adhesive are used to ensure the sealing effect.
Effectively prevent coal powder leakage, improve working environment, simplify operating procedures, and facilitate sealing gasket replacement.
Smart Images
Figure CN223254425U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of coal chemical industry, in particular to a coal powder leakage prevention device for a coal chute inspection hole. Background Art
[0002] The coal chute is a device that connects the coal bunker and the coal lock. The coal chute is equipped with devices such as the coal lock upper valve, coal lock barrel valve, oil cylinder, and pull rod. Since the coal chute needs to be maintained frequently in daily work, the staff needs to inspect the actual conditions in the coal chute through the coal chute manhole. Therefore, the manhole is an indispensable device on the coal chute. The coal chute manhole is a device widely used in gasification furnaces in the coal chemical industry. It consists of a coal chute guard plate, an observation hole door panel, a positioning plate, a sealing gasket, a fixed bottom frame, a rotating nut, a fixing bolt and other parts. Its main function is to add coal to the gasification furnace and observe the conditions inside the coal chute. During the coal feeding process of the coal lock, coal dust is raised due to the sealing defects between the coal chute guard plate and the observation hole door panel. The large amount of coal dust around the work station causes environmental protection to fail to meet standards, seriously affecting the health of the work station personnel. The utility model is to design a coal dust leakage prevention device for a coal chute manhole, which can perfectly seal the coal chute guard plate and the observation hole door panel to prevent coal dust leakage. Utility Model Content
[0003] In order to solve the problem that the sealing between the coal chute guard plate and the observation hole door plate is not tight, resulting in coal powder leakage, causing large coal dust around the coal lock and affecting the health of workers, the purpose of this utility model is to provide a coal chute inspection hole coal powder leakage prevention device.
[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solution: a coal chute inspection hole coal powder leakage prevention device, including a fixing bolt 1, a nut 2, a sealing gasket 3, a coal chute guard plate 4, a fixed bottom frame 5, a positioning piece 6, an observation hole door panel 7, and a door-shaped groove 8.
[0005] The coal chute guard plate 4 is welded to the fixing bolt 1, the fixed bottom frame 5 is welded to the coal chute guard plate 4, the positioning piece 6 is welded to one side of the observation hole door panel 7, the positioning piece 6 has a positioning hole, the door-shaped groove 8 is welded to the other side of the observation hole door panel 7 along the four sides, and the sealing gasket 3 is fixed to the door-shaped groove 8 and is located in the door-shaped groove 8.
[0006] Furthermore, the nut 2 is a butterfly nut.
[0007] Furthermore, the sealing gasket 3 and the door-shaped groove 8 are fixedly connected by a high-strength adhesive.
[0008] Furthermore, there are eight fixing bolts 1 and they are symmetrically distributed.
[0009] Compared with the existing coal chute manhole coal powder leakage prevention device, the utility model has the following advantages.
[0010] 1. In the utility model, a coal chute manhole coal powder leakage prevention device, the coal chute guard plate 4 and the observation hole door plate 7 are welded into a whole through eight positioning pieces 6. During operation, the observation hole door plate 7 can be directly aligned with the fixing bolt 1, which is simple and convenient to operate.
[0011] 2. In the utility model, a coal chute inspection hole coal powder anti-leakage device has an observation hole door panel 7 welded with door-shaped grooves 8 along its four sides, and a sealing gasket 3 is installed in the door-shaped groove 8, which can effectively prevent the leakage of coal powder and improve the on-site working environment.
[0012] 3. The sealing gasket 3 in the coal pulverized coal leakage prevention device for the coal chute inspection hole of the utility model can be directly replaced after being damaged, and the operation is simple. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a cross-sectional view of a coal powder leakage prevention device for a coal chute inspection hole according to the utility model.
[0014] Figure 2 This is a front view of a coal powder leakage prevention device for a coal chute inspection hole according to the utility model. DETAILED DESCRIPTION
[0015] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.
[0016] In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle", "inside", "top", "bottom end", etc., indicating positions or positional relationships, are based on the positions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified or limited, the terms "mounted", "connected", and "connected" should be understood in a broad sense, for example, they can mean fixed connection, detachable connection, or integral connection; they can mean mechanical connection or electrical connection; they can mean direct connection, indirect connection through an intermediate medium, or internal communication between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.
[0017] The present invention will be described in further detail below with reference to the accompanying drawings.
[0018] like Figure 1 Figure 2 As shown, the utility model provides a coal pulverized coal leakage prevention device for a coal chute inspection hole, comprising a fixing bolt 1, a nut 2, a sealing gasket 3, a coal chute guard plate 4, a fixed bottom frame 5, a positioning piece 6, an observation hole door panel 7, and a door-shaped groove 8.
[0019] The coal chute guard plate 4 is welded to the 8 fixing bolts 1, the fixed bottom frame 5 is welded to the coal chute guard plate 4, the positioning piece 6 is welded to one side of the observation hole door panel 7 and the welding position corresponds one to one with the 8 fixing bolts 1, the door-shaped groove 8 is welded to the other side of the observation hole door panel 7 along the four sides, the sealing gasket 3 is fixed to the door-shaped groove 8 and is located in the door-shaped groove 8, the sealing gasket 3 is fixed to the door-shaped groove 8 by a high-strength adhesive, and the nut 2 is a butterfly nut.
[0020] The working process of the utility model is as follows: first, place the observation hole door panel 7 with 8 positioning pieces 6 welded thereto above the fixed bottom frame 5, ensure that the positioning hole of the positioning piece 6 on one side of the observation hole door panel 7 corresponds to the fixing bolt 1, and at the same time ensure that the door-shaped groove 8 on the other side of the observation hole door panel 7 corresponds to the fixed bottom frame 5, and after the positioning piece 6 passes through the fixing bolt 1, tighten the nut 2 to complete the tightening.
[0021] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
[0022] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.
Claims
1. A coal chute inspection hole coal powder leakage prevention device, comprising a fixing bolt (1), a nut (2), a sealing gasket (3), a coal chute guard plate (4), a fixed bottom frame (5), a positioning piece (6), an observation hole door plate (7), and a door-shaped groove (8), characterized in that The coal chute guard plate (4) is welded to the fixing bolts (1), the fixed bottom frame (5) is welded to the coal chute guard plate (4), the positioning piece (6) is welded to one side of the observation hole door plate (7), the positioning piece (6) is provided with a positioning hole, the door-shaped groove (8) is welded to the other side of the observation hole door plate (7) along the four sides, and the sealing gasket (3) is fixed to the door-shaped groove (8) and is located in the door-shaped groove (8).
2. The device for preventing coal powder from leaking out of a coal chute manhole according to claim 1, characterized in that The nut (2) is a butterfly nut.
3. The device for preventing coal powder from leaking out of a coal chute manhole according to claim 1, characterized in that The sealing gasket (3) and the door-shaped groove (8) are fixedly connected by a high-strength adhesive.
4. The device for preventing coal powder from leaking out of a coal chute manhole according to claim 1, characterized in that There are eight fixing bolts (1) and they are symmetrically distributed.