Steel mill denitration intelligent control cabinet

Abstract

The utility model relates to the technical field of steel mill denitration, and discloses a steel mill denitration intelligent control cabinet which comprises a control cabinet body and an internal filtering mechanism, the inner wall of the control cabinet body is sleeved with a protector, the inner wall of the protector is sleeved with a filter shell, and the inner wall of the filter shell is sleeved with an air cylinder. The number of the filter shells is two, the two filter shells are symmetrically distributed on the inner walls of the two sides of the protector, the inner walls of the filter shells are sleeved with pipe supporting frames, the outer walls of the filter shells are fixedly connected with discharging pipes, and the inner walls of the pipe supporting frames are sleeved with first filter screens. According to the intelligent denitration control cabinet for the steel mill, multiple layers of internal filtering sieve plates, a first filtering sieve mesh and a circular filtering disc are arranged in the protector, so that when equipment works, large-particle fly ash attached to flue gas can be screened and separated, and the activity of a catalyst in the equipment can be effectively kept.

Description

Technical Field

[0001] The utility model relates to the technical field of steel plant denitration, in particular to an intelligent control cabinet for steel plant denitration. Background Art

[0002] Denitrification in steel mills is a way of treating exhaust gas emissions. Denitrification equipment is used to denitrify exhaust gas emitted by steel mills to meet emission standards and reduce environmental pollution caused by industrial production.

[0003] When traditional steel mills use catalysts for denitrification operations, the inner surface of the catalyst is easily blocked by large particles of fly ash or deposition in the flue gas, which reduces the activity of the inner surface of the catalyst. For this reason, an intelligent control cabinet for steel mill denitrification is proposed. Utility Model Content

[0004] The utility model provides the following technical solutions: a steel plant denitrification intelligent control cabinet, comprising a control cabinet body and an internal filtering mechanism, the inner wall of the control cabinet body is sleeved with a protector, the inner wall of the protector is sleeved with a filter shell, the number of the filter shells is two and they are symmetrically distributed on the inner walls on both sides of the protector, the inner wall of the filter shell is sleeved with a pipe support frame, the outer wall of the filter shell is fixedly connected with a discharge pipe, the inner wall of the pipe support frame is sleeved with a first filter screen, the first filter screen is fixedly connected with a circular filter plate on the side away from the pipe support frame, the inner wall of the first filter screen is sleeved with a screen pipe, the outer wall of the screen pipe is provided with a plurality of fan-shaped screen covers, and the plurality of fan-shaped screen covers are distributed in a circular array on the outer wall of the screen pipe.

[0005] As a preferred technical solution of the utility model, an inner wall of the protector is provided with an internal filtering screen plate, and a feed pipe is fixedly connected to the protector on a side away from the internal filtering screen plate.

[0006] As a preferred technical solution of the utility model, a protective door panel is provided on the exterior of the control cabinet body, the control cabinet body and the protective door panel are rotatably connected, and a single-chip microcomputer controller is fixedly connected to the outer wall of the control cabinet body.

[0007] As a preferred technical solution of the utility model, a plurality of uniform holes are provided outside the first filter screen and the fan-shaped screen cover, and the density of the holes outside the fan-shaped screen cover is much smaller than the density of the holes outside the first filter screen.

[0008] As a preferred technical solution of the utility model, the discharge pipe is connected with the feed pipe and the internal filter screen plate.

[0009] As a preferred technical solution of the present utility model, a plurality of support bases are fixedly connected to the bottom of the control cabinet body, and the plurality of support bases are symmetrically distributed on the bottom of the control cabinet body.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. The steel plant's denitrification intelligent control cabinet is equipped with multiple layers of internal filter screen plates, the first filter screen, and a circular filter plate in the protector, so that when the equipment is working, it can screen and isolate large particles of fly ash attached to the flue gas and effectively maintain the activity of the catalyst inside the equipment.

[0012] 2. The steel plant's denitrification intelligent control cabinet has a symmetrical internal filtering mechanism set on the inner wall of the protector, which improves the flue gas cleaning effect when the equipment is working, and a symmetrical pipe support frame is set in the filter housing to facilitate the loading and unloading of the equipment during maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural diagram of a steel plant denitrification intelligent control cabinet;

[0014] Figure 2 This is a schematic diagram of the structure of a protector in a steel plant denitrification intelligent control cabinet;

[0015] Figure 3 This is a structural schematic diagram of an internal filter screen plate in a steel plant denitrification intelligent control cabinet;

[0016] Figure 4 This is a schematic diagram of the structure of an internal filtering mechanism in a steel plant denitrification intelligent control cabinet;

[0017] Figure 5 This is a schematic diagram of the structure of a fan-shaped screen cover in a steel plant denitrification intelligent control cabinet.

[0018] In the figure: 1. control cabinet body; 2. support base; 3. single-chip microcomputer controller; 4. feed pipe; 5. protective door plate; 6. internal filtering mechanism; 61. filter housing; 62. discharge pipe; 63. pipe support frame; 64. first filter screen; 65. circular filter disc; 66. screen pipe; 67. fan-shaped screen cover; 7. protector; 8. internal filter screen plate. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-5 A steel plant denitrification intelligent control cabinet comprises a control cabinet body 1 and an internal filtering mechanism 6, the inner wall of the control cabinet body 1 is sleeved with a protector 7, the inner wall of the protector 7 is sleeved with a filter housing 61, the number of filter housings 61 is two and they are symmetrically distributed on the inner walls of both sides of the protector 7, the inner wall of the filter housing 61 is sleeved with a pipe support frame 63, the outer wall of the filter housing 61 is fixedly connected with a discharge pipe 62, the inner wall of the pipe support frame 63 is sleeved with a first filter screen 64, the first filter screen 64 is fixedly connected with a circular filter disc 65 on the side away from the pipe support frame 63, the inner wall of the first filter screen 64 is sleeved with a screen pipe 66, the outer wall of the sieve pipe 66 is provided with a plurality of fan-shaped screen covers 67, and the plurality of fan-shaped screen covers 67 are distributed in a circumferential array on the outer wall of the sieve pipe 66, wherein the pipe support frame 63 can support and fix the first filter screen 64, and by arranging the fan-shaped screen covers 67 distributed in a circumferential array outside the sieve pipe 66, the protective dustproof effect of the equipment is improved, the inner wall of the protector 7 is provided with an internal filter screen plate 8, and the protector 7 is fixedly connected with the feed pipe 4 on the side away from the internal filter screen plate 8, wherein, by arranging the internal filter screen plate 8 in the protector 7, the equipment can filter and clean the smoke entering the protector 7, and control The outer surface of the cabinet body 1 is provided with a protective door panel 5, and the control cabinet body 1 is rotatably connected to the protective door panel 5. The outer wall of the control cabinet body 1 is fixedly connected with a single-chip controller 3. The rotatable connection between the control cabinet body 1 and the protective door panel 5 makes it convenient for the operator to maintain and clean the equipment after the work is completed. The first filter screen 64 and the fan-shaped screen cover 67 are both provided with a plurality of uniform holes, and the density of the holes outside the fan-shaped screen cover 67 is much smaller than the density of the holes outside the first filter screen 64. The density of the holes outside the fan-shaped screen cover 67 is much smaller than the density of the holes outside the first filter screen 64, so that when the equipment is in operation, the smoke in the smoke is cleaned. The isolation efficiency of large particles of fly ash or deposition is improved, and the discharge pipe 62 is connected with the feed pipe 4 and the internal filter screen plate 8. The connection between the discharge pipe 62, the feed pipe 4 and the internal filter screen plate 8 enables the equipment to directly clean and filter the flue gas entering the equipment. A plurality of support bases 2 are fixedly connected to the bottom of the control cabinet body 1, and the plurality of support bases 2 are symmetrically distributed at the bottom of the control cabinet body 1. By arranging a plurality of support bases 2 at the bottom of the control cabinet body 1, the equipment can provide a stable supporting force for the equipment when it is working, and can provide a guarantee for the stable operation of the equipment in the later stage.

[0021] Working principle: when the equipment needs to be used, the external smoke pipe is connected to the feed pipe 4 so that the smoke can be initially filtered by the internal filter screen plate 8 when entering the protector 7, and then the smoke that has been initially filtered can be secondarily filtered by the circular filter disc 65, and the smoke after the second filtration will be filtered by the first filter screen 64 and the fan-shaped screen cover 67, and then the smoke will be discharged from the equipment through the discharge pipe 62.

[0022] 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 steel plant denitrification intelligent control cabinet, comprising a control cabinet body (1) and an internal filtering mechanism (6), characterized in that: The inner wall of the control cabinet body (1) is sleeved with a protector (7), and the inner wall of the protector (7) is sleeved with a filter housing (61). The number of the filter housings (61) is two and they are symmetrically distributed on the inner walls of both sides of the protector (7). The inner wall of the filter housing (61) is sleeved with a pipe support frame (63), and the outer wall of the filter housing (61) is fixedly connected with a discharge pipe (62). The inner wall of the pipe support frame (63) is sleeved with a first filter screen (64), and the first filter screen (64) is fixedly connected with a circular filter disc (65) on a side away from the pipe support frame (63). The inner wall of the first filter screen (64) is sleeved with a sieve pipe (66), and the outer wall of the sieve pipe (66) is provided with a plurality of fan-shaped sieve covers (67), and the plurality of fan-shaped sieve covers (67) are distributed on the outer wall of the sieve pipe (66) in a circular array.

2. The intelligent control cabinet for denitrification in a steel plant according to claim 1, characterized in that: The inner wall of the guard (7) is provided with an internal filtering screen plate (8), and the guard (7) is fixedly connected with a feed pipe (4) on a side away from the internal filtering screen plate (8).

3. The intelligent control cabinet for denitrification in a steel plant according to claim 1, characterized in that: The exterior of the control cabinet body (1) is provided with a protective door panel (5), the control cabinet body (1) and the protective door panel (5) are rotatably connected, and the outer wall of the control cabinet body (1) is fixedly connected with a single-chip microcomputer controller (3).

4. The steel plant denitrification intelligent control cabinet according to claim 1 is characterized in that: The first filter screen (64) and the fan-shaped screen cover (67) are both provided with a plurality of uniform holes on the outside, and the density of the holes on the fan-shaped screen cover (67) is much smaller than the density of the holes on the outside of the first filter screen (64).

5. The intelligent control cabinet for denitrification in a steel plant according to claim 2, characterized in that: The discharge pipe (62) is in communication with the feed pipe (4) and the internal filter screen plate (8).

6. The intelligent control cabinet for denitrification in a steel plant according to claim 1, characterized in that: A plurality of support bases (2) are fixedly connected to the bottom of the control cabinet body (1); the plurality of support bases (2) are symmetrically distributed at the bottom of the control cabinet body (1).

Images