Convenient overhauling device for micro-silicon powder encryption tank

Abstract

The utility model provides a convenient overhauling device for a micro silicon powder sealing tank, which comprises a Roots blower, a sealing tank is arranged on one side of the Roots blower, and the sealing tank comprises a first tank body and a second tank body which are arranged from top to bottom. A density-increasing tank lower flange, a density-increasing pore plate, filter cloth and a density-increasing tank upper flange are sequentially arranged between the first tank body and the second tank body from bottom to top, the density-increasing tank lower flange, the density-increasing pore plate, the filter cloth and the density-increasing tank upper flange are connected through a plurality of bolts, and the Roots blower is communicated with the second tank body through an ash conveying pipeline. The ash conveying pipeline is provided with a plurality of ash conveying pipeline outlets, and the ash conveying pipeline outlets are communicated with the second tank body. The device is used for quickly checking and replacing parts in the encryption tank, such as filter cloth and an encryption pore plate, and the operation safety risk of personnel is reduced, so that monitoring and quick and safe maintenance of equipment in the encryption tank are realized, and the practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of industrial smelting and relates to a convenient maintenance device for a micro silicon powder encryption tank. Background Art

[0002] At present, the domestic ferroalloy dust removal encryption tank is an one-piece welded encryption tank, in which the encryption orifice plate is directly welded to the tank wall, and the encryption tank is not divided into two independent devices. There is no manhole flange at the bottom of the encryption tank. Most of the existing encryption tanks are welded rigid connections, and the device is compactly set up. It is not convenient for personnel to check, inspect and replace the internal equipment of the tank, including filter cloth, encryption orifice plate, etc., and maintenance is difficult. The working environment for personnel entering the confined space is harsh and the safety risk is relatively large. In addition, the maintenance time for replacing internal components is long. Utility Model Content

[0003] The purpose of the utility model is to provide a convenient maintenance device for a microsilica powder encryption tank in response to the problems existing in the prior art, which solves the problem that the existing ferroalloy dust removal encryption tank is welded in one piece, resulting in the need to cut a manhole on the tank body when replacing the internal equipment, which is very dangerous and difficult to construct.

[0004] To this end, the utility model adopts the following technical solutions:

[0005] A convenient maintenance device for a microsilica powder encryption tank comprises a Roots blower, wherein a encryption tank is arranged on one side of the Roots blower, and the encryption tank comprises a first tank body and a second tank body arranged from top to bottom, and an encryption tank lower flange, an encryption orifice plate, a filter cloth and an encryption tank upper flange are arranged between the first tank body and the second tank body from bottom to top in sequence, and the encryption tank lower flange, the encryption orifice plate, the filter cloth and the encryption tank upper flange are connected by a plurality of bolts, and the Roots blower is connected to the second tank body by an ash conveying pipe, and the ash conveying pipe is provided with a plurality of ash conveying pipe outlets, and the ash conveying pipe outlets are connected to the second tank body.

[0006] Furthermore, a plurality of inspection holes are provided at the bottom of the second tank body, and an inspection hole flange blind plate is provided at the bottom of the inspection hole, and the two are connected via an inspection hole upper flange.

[0007] Furthermore, an ash discharge pipe is provided at the bottom of the first tank body; the ash discharge pipe is located in the middle of the first tank body and the second tank body, one end of the ash discharge pipe is connected to the first tank body, and the other end passes through the encrypted hole plate, the filter cloth and the second tank body in sequence.

[0008] Furthermore, the dense orifice plate is welded by a plurality of sector plates, and dense orifice plate connecting seams are provided between the plurality of sector plates, and a plurality of bolt holes are provided at the edge of the dense orifice plate.

[0009] Furthermore, the ash unloading pipe is provided with an ash unloading motor, and the two are connected via an ash unloading pipe flange.

[0010] Furthermore, the ash conveying pipeline is provided with a three-way valve.

[0011] Furthermore, the dense hole plate and the filter cloth are both circular.

[0012] Furthermore, the inspection hole is arranged around the circumference of the ash discharge pipe.

[0013] The beneficial effects of the utility model are:

[0014] 1. During use, the utility model can open the inspection hole at any time to check and confirm the working conditions of the filter cloth, encryption orifice plate and other components inside the encryption tank, which is convenient for maintenance personnel to enter and exit. It is safe, convenient and fast to replace the filter cloth, encryption orifice plate and other components inside the encryption tube, effectively reducing maintenance time;

[0015] 2. The utility model does not require hot work to cut the outer wall of the encryption tank before entering the encryption tank, which reduces the risk of hot work sparks igniting the internal microsilica powder;

[0016] 3. The utility model can facilitate ventilation of the encryption tank, discharge harmful gases such as carbon monoxide in the encryption tank, and reduce the risk of explosion caused by the accumulation of combustible gases such as carbon monoxide in the encryption tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a cross-sectional structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the densified hole plate in the utility model;

[0019] Figure 3 It is a schematic diagram of the structure of the filter cloth in the utility model;

[0020] Figure 4 It is a schematic diagram of the structure of the utility model when viewed from above.

[0021] In the figure, 1—Roots blower, 2—three-way valve, 3—ash unloading motor, 4—ash conveying pipeline, 5—ash conveying pipeline outlet, 6—density tank lower flange, 7—density orifice plate, 8—density tank upper flange, 9—bolts, 10—density tank, 10a—first tank body, 10b—second tank body, 11—inspection hole, 12—inspection hole flange blind plate, 13—inspection hole upper flange, 14—ash unloading pipe, 15—ash unloading pipe flange, 16—density orifice plate connection seam, 17—filter cloth, 18—bolt hole. DETAILED DESCRIPTION

[0022] The technical solution of the utility model is described below in conjunction with the accompanying drawings and implementation methods.

[0023] like Figure 1 As shown, a convenient maintenance device for a microsilica powder encryption tank comprises a Roots blower 1. A encryption tank 10 is arranged on one side of the Roots blower 1. The encryption tank 10 comprises a first tank body 10a and a second tank body 10b arranged from top to bottom; an encryption tank lower flange 6, an encryption orifice plate 7, a filter cloth 17 and an encryption tank upper flange 8 are arranged in sequence from bottom to top between the first tank body 10a and the second tank body 10b, and the encryption tank lower flange 6, the encryption orifice plate 7, the filter cloth 17 and the encryption tank upper flange 8 are connected by a plurality of bolts 9.

[0024] like Figure 2 As shown, the dense orifice plate 7 is circular, which is welded by a plurality of sector plates, and a dense orifice plate connecting seam 16 is provided between the plurality of sector plates, and a plurality of bolt holes 18 are provided at the edge of the dense orifice plate 7; Figure 3 As shown, the dense hole plate 7 and the filter cloth 17 are both circular.

[0025] The Roots blower 1 is connected to the second tank body 10 b via an ash conveying pipeline 4 . The ash conveying pipeline 4 is provided with a plurality of ash conveying pipeline outlets 5 . The ash conveying pipeline outlets 5 are connected to the second tank body 10 b . In addition, the ash conveying pipeline 4 is provided with a three-way valve 2 .

[0026] like Figure 4 As shown, a plurality of inspection holes 11 are provided at the bottom of the second tank body 10b, and an inspection hole flange blind plate 12 is provided at the bottom of the inspection hole 11, and the two are connected by an inspection hole upper flange 13; the purpose of setting the inspection hole 11 is to facilitate equipment inspection, replacement of the filter cloth 17, maintenance of the encryption hole plate 7, etc.

[0027] An ash unloading pipe 14 is also provided at the bottom of the first tank body 10a. The ash unloading pipe 14 is located in the middle of the first tank body 10a and the second tank body 10b. One end of the ash unloading pipe 14 is connected to the first tank body 10a, and the other end passes through the dense hole plate 7, the filter cloth 17 and the second tank body 10b in sequence; the inspection hole 11 is arranged around the circumference of the ash unloading pipe 14; in addition, the ash unloading pipe 14 is provided with an ash unloading motor 3, and the two are connected by an ash unloading pipe flange 15.

[0028] The utility model is used in the following process:

[0029] When it is necessary to inspect and confirm the interior of the first tank body 10a, first remove the connecting bolts of the inspection hole upper flange 13 and the inspection hole flange blind plate 12, and then remove the inspection hole flange blind plate 12. The operator can then enter the inspection hole 11 to inspect and confirm the operation of the encrypted orifice plate 7, filter cloth 17, ash conveying pipeline outlet 5, first tank body 10a and other equipment.

[0030] When it is necessary to repair or replace the equipment inside the encryption tank 10, first remove the microsilica powder of the second tank body 10b through the ash unloading pipe 14, and after the encryption hole plate 7 is no longer load-bearing, the personnel then remove the connecting bolts of the inspection hole upper flange 13 and the inspection hole flange blind plate 12. After removing the inspection hole flange blind plate 12, the operator can enter the inspection hole 11 to replace and repair the encryption hole plate 7 and the filter cloth 11 in the encryption tank 10. After completion, the personnel withdraw, and the bolt connection between the inspection hole upper flange 13 and the inspection hole flange blind plate 12 is tightened, and the equipment returns to normal.

Claims

1. A convenient maintenance device for microsilica powder encryption tank, characterized in that: The invention comprises a Roots blower (1), wherein a density tank (10) is provided on one side of the Roots blower (1), wherein the density tank (10) comprises a first tank body (10a) and a second tank body (10b) arranged from top to bottom, wherein a density tank lower flange (6), a density orifice plate (7), a filter cloth (17) and a density tank upper flange (8) are arranged in sequence from bottom to top between the first tank body (10a) and the second tank body (10b), and the density tank lower flange (6), the density orifice plate (7), the filter cloth (17) and the density tank upper flange (8) are connected by a plurality of bolts (9), and the Roots blower (1) and the second tank body (10b) are connected by an ash conveying pipeline (4), wherein the ash conveying pipeline (4) is provided with a plurality of ash conveying pipeline outlets (5), and the ash conveying pipeline outlets (5) are arranged in communication with the second tank body (10b).

2. A convenient maintenance device for microsilica powder encryption tank according to claim 1, characterized in that: The bottom of the second tank body (10b) is provided with a plurality of inspection holes (11), the bottom of the inspection holes (11) is provided with inspection hole flange blind plates (12), and the two are connected via an inspection hole upper flange (13).

3. A convenient maintenance device for microsilica powder encryption tank according to claim 1, characterized in that: A ash discharge pipe (14) is also provided at the bottom of the first tank body (10a).

4. A convenient maintenance device for microsilica powder encryption tank according to claim 3, characterized in that: The ash discharge pipe (14) is located in the middle of the first tank body (10a) and the second tank body (10b), one end of which is connected to the first tank body (10a) and the other end of which passes through the dense hole plate (7), the filter cloth (17) and the second tank body (10b) in sequence.

5. A convenient maintenance device for microsilica powder encryption tank according to claim 1, characterized in that: The dense orifice plate (7) is formed by welding a plurality of sector plates, and a dense orifice plate connecting seam (16) is provided between the plurality of sector plates. A plurality of bolt holes (18) are provided at the edge of the dense orifice plate (7).

6. A convenient maintenance device for microsilica powder encryption tank according to claim 3, characterized in that: The ash discharge pipe (14) is provided with an ash discharge motor (3), and the two are connected via an ash discharge pipe flange (15).

7. A convenient maintenance device for microsilica powder encryption tank according to claim 1, characterized in that: The ash conveying pipeline (4) is provided with a three-way valve (2).

8. A convenient maintenance device for microsilica powder encryption tank according to claim 1, characterized in that: The dense hole plate (7) and the filter cloth (17) are both circular.

9. A convenient maintenance device for microsilica powder encryption tank according to claim 2, characterized in that: The inspection hole (11) is arranged around the circumference of the ash discharge pipe (14).

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