Dust removal system with standby dust removal fan device

Abstract

The utility model belongs to the technical field of dust removal devices, and particularly relates to a dust removal system with a standby dust removal fan device, which is characterized in that a standby dust removal fan is further arranged in the dust removal system; the air inlet end of the standby dust removal fan is connected with a third three-way pipe through a pipeline, one end of the third three-way pipe is communicated with the first three-way pipe through a first branch pipe, the other end of the third three-way pipe is communicated with the second three-way pipe through a second branch pipe, and a first butterfly valve and a second butterfly valve are installed on the first branch pipe. A first connecting piece is arranged between the first butterfly valve and the second butterfly valve; a third butterfly valve and a fourth butterfly valve are installed on the second branch pipe, a second connecting piece is installed between the third butterfly valve and the fourth butterfly valve, and one of the first connecting piece and the second connecting piece is connected and the other one is disconnected according to process requirements. The standby dust removal fan has the advantages that the standby dust removal fan can be quickly connected into a coke dust removal system or a coal dust removal system, so that the dust removal system is ensured to stably operate and meets the requirements of relevant specifications.

Description

Technical Field

[0001] The utility model belongs to the technical field of dust removal devices, and in particular relates to a dust removal system with a spare dust removal fan device. Background Art

[0002] Traditional coke and coal dust removal systems use independent fans for dust removal. When a backup dust removal fan needs to be connected, each needs to be connected. However, this method causes waste of equipment utilization and increases the cost of use. At the same time, after the backup dust removal fan is connected, it takes up more space due to the connection of the pipeline. Utility Model Content

[0003] The purpose of the utility model is to provide a dust removal system with a spare dust removal fan device, overcome the shortcomings of the prior art, and design a coking coal dust removal system that shares a set of spare dust removal fans. The dust removal system can achieve the principle of non-interconnection of various dust removal systems required by relevant specifications, and has a small footprint, and is particularly suitable for situations where land is scarce in renovation projects.

[0004] To achieve the above purpose, the utility model is implemented through the following technical solutions:

[0005] A dust removal system with a spare dust removal fan device, comprising a coke dust removal fan as a power in a coke dust removal system and a coal dust removal fan as a power in a coal dust removal system, characterized in that a spare dust removal fan is also provided in the dust removal system, the air inlet end of the coke dust removal fan is connected to a first three-way pipe through a pipeline, and the air inlet end of the coal dust removal fan is connected to a second three-way pipe through a pipeline; the air inlet end of the spare dust removal fan is connected to a third three-way pipe through a pipeline, one end of the third three-way pipe is connected to the first three-way pipe through a branch pipe 1, and the other end of the third three-way pipe is connected to the second three-way pipe through a branch pipe 2, a first butterfly valve and a second butterfly valve are installed on the branch pipe 1, and a first connecting piece is provided between the first butterfly valve and the second butterfly valve; a third butterfly valve and a fourth butterfly valve are installed on the branch pipe 2, and a second connecting piece is installed between the third butterfly valve and the fourth butterfly valve, and when one of the first connecting piece and the second connecting piece is connected, the other is disconnected according to process requirements.

[0006] Furthermore, the first connecting member structure includes a first bellows installed at the end of the first butterfly valve, a first pneumatic telescopic rod is installed between the flanges at both ends of the first bellows, the first pneumatic telescopic rod is welded to the flange at one end of the first bellows close to the first butterfly valve, a first support rod is installed at the end of the first pneumatic telescopic rod, and a first support bracket is installed at the end of the first pneumatic telescopic rod for supporting the flange when the first bellows contracts.

[0007] Furthermore, the second connecting member structure includes a second bellows installed at the end of the fourth butterfly valve, a second pneumatic telescopic rod is installed between the flanges at both ends of the second bellows, a second pneumatic telescopic rod is welded to the flange at one end of the second bellows close to the fourth butterfly valve, a second support rod is installed at the end of the second pneumatic telescopic rod, and a second support bracket is installed at the end of the second pneumatic telescopic rod for supporting the flange when the second bellows contracts.

[0008] Furthermore, the air outlet end of the coke dust removal fan is connected to the chimney of the coke dust removal system through a pipeline, and the air outlet ends of the coal dust removal fan and the standby dust removal fan are both connected to the chimney of the coal dust removal system through pipelines.

[0009] Furthermore, the standby dust removal fan is a variable frequency speed regulating fan.

[0010] Furthermore, the ratio of the longest dimension to the shortest dimension of the first connecting member and the second connecting member is: 1:0.5-0.8.

[0011] Furthermore, two ends of the first connecting member are connected to the first butterfly valve and the second butterfly valve by bolts.

[0012] Furthermore, two ends of the second connecting member are connected to the third butterfly valve and the fourth butterfly valve by bolts.

[0013] Furthermore, the first three-way pipe and the second three-way pipe have the same caliber.

[0014] Furthermore, at least two of the first pneumatic telescopic rods and the second pneumatic telescopic rods are provided, and they are evenly arranged around the circumference relative to the center of the first connecting member or the second connecting member.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1) By sharing a set of spare dust removal fans in the dust removal system, the dust removal system can solve the problem of the dust removal system stopping working due to damage or maintenance of the coke dust removal fan or the coal dust removal fan through the spare dust removal fans, so that the coke dust removal fan and the coal dust removal fan can be staggered for maintenance, ensuring the continuous operation of the dust removal system, increasing the safety performance of equipment operation, and also providing the applicability of the equipment. The first connecting piece installed between the first butterfly valve and the second butterfly valve, and the second connecting piece installed between the third butterfly valve and the fourth butterfly valve, by adjusting the on and off of the first butterfly valve, the second butterfly valve, the third butterfly valve and the fourth butterfly valve, and the connection of the first connecting piece and the second connecting piece, the spare dust removal fan is connected to the coke dust removal system or the coal dust removal system, ensuring the stable operation of the dust removal system and being able to achieve the principle that the dust removal systems required by relevant specifications are not interconnected.

[0017] 2) Through the first connecting member and the second connecting member with the same structure, the first connecting member is composed of a first bellows, a first pneumatic telescopic rod, a first support rod and a first support bracket, and the second connecting member is composed of a second bellows, a second pneumatic telescopic rod, a second support rod and a second support bracket, so that the first pneumatic telescopic rod is convenient to extend and retract the first bellows, and the second pneumatic telescopic rod is convenient to extend and retract the second bellows, and the first support bracket is used to support the first bellows, and the second support bracket is used to support the second bellows, so that the first connecting member and the second connecting member are convenient to be connected to the dust removal system, and when the first connecting member and the second connecting member are not connected to the dust removal system, the space occupied is small and the initial investment can be reduced, and the operation is safe and reliable and the practicability is strong.

[0018] 3) The standby dust removal fan adopts a variable frequency speed regulation fan, which can be applied to different working conditions, is easy to adjust and has strong applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0021] Figure 3 for Figure 1 A schematic diagram of the partially enlarged structure at B in the middle;

[0022] In the figure: 1-coke dust removal fan, 2-coal dust removal fan, 3-standby dust removal fan, 4-first three-way pipe, 5-second three-way pipe, 6-third three-way pipe, 7-first connecting piece, 8-second connecting piece, 9-first butterfly valve, 10-second butterfly valve, 11-third butterfly valve, 12-fourth butterfly valve, 71-first bellows, 72-first pneumatic telescopic rod, 73-first support rod, 74-first support bracket, 81-second bellows, 82-second pneumatic telescopic rod, 83-second support rod, 84-second support bracket. DETAILED DESCRIPTION

[0023] The technical solution of the present utility model will be clearly and completely described below in conjunction with specific embodiments. Obviously, the described embodiments are only part of the embodiments of the present utility model, rather than all of the embodiments.

[0024] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the specific embodiments required to be used in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the specific embodiments described below are some implementation methods of the utility model. For ordinary technicians in this field, other specific embodiments can be obtained based on these specific embodiments without paying creative work.

[0025] The components of the embodiments of the present invention generally described and shown in the specific embodiments herein can be arranged and designed in countless different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the specific embodiments is not intended to limit the scope of the utility model claimed, but only represents the selected embodiments of the utility model.

[0026] See Figure 1-3 , is a schematic diagram of the structure of an embodiment of a dust removal system with a spare dust removal fan device of the utility model, comprising a coke dust removal fan 1 as a power in a coke dust removal system and a coal dust removal fan 2 as a power in a coal dust removal system, characterized in that a spare dust removal fan 3 is also provided in the dust removal system, the air inlet end of the coke dust removal fan 1 is connected to a first three-way pipe 4 through a pipeline, and the air inlet end of the coal dust removal fan 2 is connected to a second three-way pipe 5 through a pipeline; the air inlet end of the spare dust removal fan 3 is connected to a third three-way pipe 6 through a pipeline, one end of the third three-way pipe 6 is connected to the first three-way pipe 4 through a branch pipe 13, and the other end of the third three-way pipe 6 is connected to the first three-way pipe 4 through a branch pipe 13. The branch pipe 2 14 is connected with the second three-way pipe 5, and the first butterfly valve 9 and the second butterfly valve 10 are installed on the branch pipe 13, and a first connecting piece 7 is provided between the first butterfly valve 9 and the second butterfly valve 10; the third butterfly valve 11 and the fourth butterfly valve 12 are installed on the branch pipe 2 14, and a second connecting piece 8 is installed between the third butterfly valve 11 and the fourth butterfly valve 12. When one of the first connecting piece 7 and the second connecting piece 8 is connected, the other is disconnected according to the process requirements. The standby dust removal fan 3 is connected through the first connecting piece 7 and the second connecting piece 8, so that the standby dust removal fan 3 can be quickly connected to the coke dust removal system or the coal dust removal system to ensure the stable operation of the dust removal system.

[0027] The two ends of the first connecting member 7 are connected to the first butterfly valve 9 and the second butterfly valve 10 by bolts. The two ends of the second connecting member 8 are connected to the third butterfly valve 11 and the fourth butterfly valve 12 by bolts. The ratio of the longest dimension to the shortest dimension of the first connecting member 7 and the second connecting member 8 is 1:0.5-0.8, which ensures the separation of the connection and disconnection states, ensures the stable operation of the dust removal system and can achieve the principle that the dust removal systems required by relevant specifications are not interconnected.

[0028] The first connecting member 7 structure includes a first bellows 71 installed at the end of the first butterfly valve 9, a first pneumatic telescopic rod 72 is installed between the flanges at both ends of the first bellows 71, the first pneumatic telescopic rod 72 is welded to the flange at one end of the first bellows 71 close to the first butterfly valve 9, a first support rod 73 is installed at the end of the first pneumatic telescopic rod 72, and a first support bracket 74 is installed at the end of the first pneumatic telescopic rod 72 for supporting the flange when the first bellows 71 contracts.

[0029] The second connecting member 8 structure includes a second bellows 81 installed at the end of the fourth butterfly valve 12, a second pneumatic telescopic rod 82 is installed between the flanges at both ends of the second bellows 81, the second pneumatic telescopic rod 82 is welded to the flange at one end of the second bellows 81 close to the fourth butterfly valve 12, a second support rod 83 is installed at the end of the second pneumatic telescopic rod 82, and a second support bracket 84 is installed at the end of the second pneumatic telescopic rod 82 for supporting the flange when the second bellows 81 contracts.

[0030] The gas outlet end of the coke dust removal fan 1 is connected to the chimney of the coke dust removal system through a pipeline, and the gas outlet ends of the coal dust removal fan 2 and the standby dust removal fan 3 are both connected to the chimney of the coal dust removal system through pipelines.

[0031] The spare dust removal fan 3 is a variable frequency speed regulating fan, which can be applied to different working conditions, is easy to adjust and has strong applicability.

[0032] In order to ensure the same dust removal pressure, the first three-way pipe 4 and the second three-way pipe 5 have the same diameter.

[0033] In order to ensure reliable and stable telescopic action, two or four first pneumatic telescopic rods 72 and second pneumatic telescopic rods 82 are provided, and are evenly arranged around the circumference relative to the center of the first connecting member 7 or the second connecting member 8.

[0034] The working principle and use process of the utility model: when in use, the first butterfly valve 9, the second butterfly valve 10, the third butterfly valve 11 and the fourth butterfly valve 12 are closed, the coke dust removal fan 1 and the coal dust removal fan 2 are connected to an external power supply, so that the coke dust removal fan 1 is used for exhausting the coke dust removal system, and the coal dust removal fan 2 is used for exhausting the coal dust removal system. When the coking dust removal fan 1 needs to be overhauled, the first connecting member 7 is extended with the first bellows 71 through the telescopic end of the first pneumatic telescopic rod 72 and connected to the dust removal system, and the first butterfly valve 9 and the second butterfly valve 10 are connected. After the coking dust removal fan 1 is overhauled, the coking dust removal fan 1 and the external power supply and the standby dust removal fan 3 are powered off, the first butterfly valve 9 and the second butterfly valve 10 are closed, and at the same time, the first pneumatic telescopic rod 72 shrinks the first bellows 71 and is supported by the first support bracket 74; when the coal dust removal fan 2 needs to be overhauled, the second connecting member 8 is extended with the second bellows 81 through the telescopic end of the second pneumatic telescopic rod 82 and connected to the dust removal system, the third butterfly valve 11 and the fourth butterfly valve 12 are connected. After the coal dust removal fan 2 is overhauled, the coal dust removal fan 2 and the external power supply and the standby dust removal fan 3 are powered off, the third butterfly valve 11 and the fourth butterfly valve 12 are closed, and at the same time, the second pneumatic telescopic rod 82 shrinks the second bellows 81 and is supported by the second support bracket 84.

[0035] By sharing a set of spare dust removal fans in the dust removal system, the dust removal system can solve the problem of the dust removal system stopping working due to damage or maintenance of the coke dust removal fan or the coal dust removal fan through the spare dust removal fans, so that the coke dust removal fan and the coal dust removal fan can be staggered for maintenance, ensuring the continuous operation of the dust removal system, increasing the safety performance of the equipment operation, and also providing the applicability of the equipment. The first connector 7 and the second connector 8 are easy to operate when connected to the dust removal system. When the first connector 7 and the second connector 8 are not connected to the dust removal system, they occupy little space and can reduce initial investment. The operation is safe, reliable and practical.

[0036] 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 dust removal system with a spare dust removal fan device, comprising a coke dust removal fan (1) as a power source in a coke dust removal system and a coal dust removal fan (2) as a power source in a coal dust removal system, characterized in that: The dust removal system is also provided with a spare dust removal fan (3), the air inlet end of the coke dust removal fan (1) is connected to a first three-way pipe (4) through a pipeline, and the air inlet end of the coal dust removal fan (2) is connected to a second three-way pipe (5) through a pipeline; The air inlet end of the standby dust removal fan (3) is connected to a third three-way pipe (6) through a pipeline, one end of the third three-way pipe (6) is connected to the first three-way pipe (4) through a branch pipe 1, and the other end of the third three-way pipe (6) is connected to the second three-way pipe (5) through a branch pipe 2. A first butterfly valve (9) and a second butterfly valve (10) are installed on the branch pipe 1, and a first connecting piece (7) is provided between the first butterfly valve (9) and the second butterfly valve (10); The branch pipe 2 is provided with a third butterfly valve (11) and a fourth butterfly valve (12), a second connecting piece (8) is provided between the third butterfly valve (11) and the fourth butterfly valve (12), and one of the first connecting piece (7) and the second connecting piece (8) is connected while the other is disconnected according to process requirements.

2. A dust removal system with a spare dust removal fan device according to claim 1, characterized in that: The first connecting member (7) structure comprises a first bellows (71) installed at the end of the first butterfly valve (9), a first pneumatic telescopic rod (72) installed between the flanges at both ends of the first bellows (71), the first pneumatic telescopic rod (72) is welded to the flange at one end of the first bellows (71) close to the first butterfly valve (9), a first supporting rod (73) is installed at the end of the first pneumatic telescopic rod (72), and a first supporting bracket (74) is installed at the end of the first pneumatic telescopic rod (72) for supporting the flange when the first bellows (71) contracts.

3. A dust removal system with a backup dust removal fan device according to claim 1, characterized in that: The second connecting member (8) structure comprises a second bellows (81) installed at the end of the fourth butterfly valve (12), a second pneumatic telescopic rod (82) installed between the flanges at both ends of the second bellows (81), the second pneumatic telescopic rod (82) is welded to the flange at one end of the second bellows (81) close to the fourth butterfly valve (12), a second supporting rod (83) is installed at the end of the second pneumatic telescopic rod (82), and a second supporting bracket (84) is installed at the end of the second pneumatic telescopic rod (82) for supporting the flange when the second bellows (81) contracts.

4. A dust removal system with a backup dust removal fan device according to claim 1, characterized in that: The gas outlet end of the coke dust removal fan (1) is connected to the chimney of the coke dust removal system through a pipeline, and the gas outlet ends of the coal dust removal fan (2) and the standby dust removal fan (3) are both connected to the chimney of the coal dust removal system through pipelines.

5. A dust removal system with a spare dust removal fan device according to claim 1, characterized in that: The standby dust removal fan (3) is a variable frequency speed regulating fan.

6. A dust removal system with a backup dust removal fan device according to claim 1, characterized in that: The ratio of the longest dimension to the shortest dimension of the first connecting member (7) and the second connecting member (8) is 1:0.5-0.

8.

7. A dust removal system with a backup dust removal fan device according to claim 1, characterized in that: The two ends of the first connecting member (7) are connected to the first butterfly valve (9) and the second butterfly valve (10) by bolts.

8. The dust removal system with a backup dust removal fan device according to claim 1, characterized in that: Both ends of the second connecting member (8) are connected to the third butterfly valve (11) and the fourth butterfly valve (12) by means of bolts.

9. A dust removal system with a backup dust removal fan device according to claim 1, characterized in that: The first three-way pipe (4) and the second three-way pipe (5) have the same caliber.

10. A dust removal system with a backup dust removal fan device according to claim 2, characterized in that: At least two of the first pneumatic telescopic rods (72) and the second pneumatic telescopic rods (82) are provided, and they are evenly arranged around the circumference relative to the center of the first connecting member (7) or the second connecting member (8).

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