Flue connection device

Abstract

The present invention discloses a novel flue connection device, including a smoke outlet section flue, a first smoke inlet section flue and a second smoke inlet section flue, wherein the smoke outlet section flue is connected to the first smoke inlet end flue and the second smoke inlet section flue, a first connection device is provided at the first flue expansion joint of the smoke outlet section flue, and a second connection device is provided at the second flue expansion joint of the smoke outlet section flue. The present invention arranges a plurality of connectors around the first flue expansion joint and the second flue expansion joint respectively so that the first flue expansion joint and the second flue expansion joint can withstand the flue pressure, thereby avoiding the direct transmission of the smoke blind plate force at the first flue expansion joint and the second flue expansion joint to the flue bracket, thereby extending the service life of the flue bracket without the need to reinforce the flue bracket separately. Compared with the reinforced bracket, the maintenance cost of the connector of the present invention is lower, and it is convenient to repair and replace damaged connectors.

Description

Technical Field

[0001] The invention relates to a novel flue connecting device and belongs to the field of flue gas desulfurization equipment. Background Art

[0002] The desulfurization flue is in a positive pressure state after the induced draft fan, especially after the induced draft fan combined transformation, the flue is calculated according to the full pressure of the induced draft fan, and the flue pressure increases a lot. In the general existing flue design, the flue gas blind plate force at the expansion joint will be directly transmitted to the flue support, which will cause the flue support to be very different from the original design after the induced draft fan combined transformation. In order to ensure the service life and support safety of the flue support, the flue support needs to be reinforced. Summary of the invention

[0003] The purpose of the present invention is to provide a new type of flue connecting device, which can withstand the flue pressure (total pressure), avoid the direct transmission of the flue blind plate force at the first flue expansion joint and the second flue expansion joint to the flue support, and extend the service life of the flue support without the need for additional reinforcement of the flue support.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions: a new type of flue connection device, including a flue gas outlet section, a first flue gas inlet section and a second flue gas inlet section, the flue gas outlet section is connected with the first flue gas inlet end and the second flue gas inlet section, the first flue expansion joint of the flue gas outlet section is provided with a first connection device, and / or the second flue expansion joint of the flue gas outlet section is provided with a second connection device. The first connection device or the second connection device may also be provided at the expansion joint of the flue gas inlet section to avoid directly transmitting the flue gas pressure under full pressure to the flue bracket supporting the flue, and the first connection device and the second connection device are used to convert the flue gas pressure into the internal force of the flue itself.

[0005] In the aforementioned novel flue connection device, the first connection device comprises a plurality of connection members, and the plurality of connection members are arranged in a ring shape with equal spacing. The plurality of connection members arranged in a ring shape with equal spacing are subjected to more uniform force.

[0006] In the aforementioned novel flue connecting device, the second connecting device also includes a plurality of connecting members, and the plurality of connecting members are arranged in a ring shape at equal intervals.

[0007] In the aforementioned novel flue connection device, the first connection device includes 8 to 16 connection pieces, and the first connection device is installed at the first flue expansion joint of the flue at the flue of the flue at the flue outlet section by means of screws. The first connection device can bear the flue pressure there, so as to avoid the direct transmission of the flue blind plate force there to the flue support.

[0008] In the aforementioned novel flue connection device, the second connection device includes 8 to 16 connection pieces, and the second connection device is installed at the second flue expansion joint of the flue at the flue of the flue at the flue outlet section by means of screws. The second connection device can bear the flue pressure there, so as to avoid the direct transmission of the flue blind plate force there to the flue support.

[0009] In the aforementioned novel flue connection device, the connection member comprises a first component and a second component, both of which are provided with screw holes, and both of which are fixedly installed at the expansion joint by means of screw holes and bolts.

[0010] In the aforementioned new flue connecting device, a first adjustment hole and / or a second adjustment hole are provided on the connecting member, the first adjustment hole is provided at a position close to one end of the connecting member, and the second adjustment hole is provided at a position close to the other end of the connecting member; the first adjustment hole and the second adjustment hole are symmetrically provided.

[0011] In the aforementioned novel flue connection device, one screw is provided on the first adjustment hole; and one screw is provided on the second adjustment hole.

[0012] In the aforementioned novel flue connection device, the size of the connection piece is determined according to the flue gas pressure and expansion amount.

[0013] In the aforementioned novel flue connecting device, the connecting member is a connecting plate or a connecting rod.

[0014] Compared with the prior art, the present invention arranges a plurality of connectors around the first flue expansion joint and the second flue expansion joint respectively, so that the first flue expansion joint and the second flue expansion joint are able to withstand the flue pressure, thereby avoiding the direct transmission of the flue blind plate force at the first flue expansion joint and the second flue expansion joint to the flue bracket, thereby extending the service life of the flue bracket, and no additional reinforcement of the flue bracket is required. Compared with the reinforcement bracket, the maintenance cost of the connector of the present invention is lower, and it is convenient to repair and replace damaged connectors. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute an improper limitation to the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the structure of the present invention;

[0017] Figure 2 It is a structural schematic diagram of a connecting piece of the present invention;

[0018] Figure 3 It is a structural schematic diagram of another connecting piece of the present invention;

[0019] Figure 4 It is a structural schematic diagram of another connecting piece of the present invention.

[0020] Figure markings: 1-smoke outlet section flue, 101-first flue expansion joint, 201-second flue expansion joint, 2-first smoke inlet section flue, 3-second smoke inlet section flue, 4-first connecting device, 5-second connecting device, 6-connecting piece, 601-first adjusting hole, 602-second adjusting hole, 603-first component, 604-second component, 7-screw.

[0021] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments. DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the scheme of the present invention, the technical scheme in the embodiments of the present invention is clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only embodiments of a part of the present invention, rather than all embodiments.

[0023] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present invention described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0024] Embodiment 1 of the present invention: A new type of flue connecting device comprises a smoke outlet section flue 1, a first smoke inlet section flue 2 and a second smoke inlet section flue 3, the smoke outlet section flue 1 is connected to the first smoke inlet section flue 2 and the second smoke inlet section flue 3, a first connecting device 4 is provided at the first flue expansion joint 101 of the smoke outlet section flue 1, and / or a second connecting device 5 is provided at the second flue expansion joint 201 of the smoke outlet section flue 1.

[0025] Embodiment 2 of the present invention: A novel flue connection device comprises a flue 1 for a smoke outlet section, a first flue 2 for a smoke inlet section and a second flue 3 for a smoke outlet section, wherein the flue 1 for a smoke outlet section is connected to the first flue 2 for a smoke outlet section and the second flue 3 for a smoke outlet section, wherein a first connection device 4 is provided at the first flue expansion joint 101 of the flue 1 for a smoke outlet section, and / or a second connection device 5 is provided at the second flue expansion joint 201 of the flue 1 for a smoke outlet section. The first connection device 4 comprises a plurality of connection members 6, and the plurality of connection members 6 are arranged in a ring shape with equal spacing. The second connection device 5 also comprises a plurality of connection members 6, and the plurality of connection members 6 are arranged in a ring shape with equal spacing. The first connection device 4 comprises 8 connection members 6, and the first connection device 4 is installed at the first flue expansion joint 101 of the flue 1 for a smoke outlet section by means of a screw 7. The second connection device 5 comprises 8 connection members 6, and the second connection device 5 is installed at the second flue expansion joint 201 of the flue 1 for a smoke outlet section by means of a screw 7.

[0026] Embodiment 3 of the present invention: A novel flue connecting device comprises a smoke outlet section flue 1, a first smoke inlet section flue 2 and a second smoke inlet section flue 3, wherein the smoke outlet section flue 1 is connected to the first smoke inlet section flue 2 and the second smoke inlet section flue 3, and a first connecting device 4 is provided at the first flue expansion joint 101 of the smoke outlet section flue 1, and / or a second connecting device 5 is provided at the second flue expansion joint 201 of the smoke outlet section flue 1. The first connecting device 4 comprises a plurality of connecting parts 6, and the plurality of connecting parts 6 are arranged in a ring shape with equal spacing. The second connecting device 5 also comprises a plurality of connecting parts 6, and the plurality of connecting parts 6 are arranged in a ring shape with equal spacing. The first connecting device 4 comprises 16 connecting parts 6, and the first connecting device 4 is installed at the first flue expansion joint 101 of the smoke outlet section flue 1 by means of a screw 7. The second connecting device 5 comprises 16 connecting parts 6, and the second connecting device 5 is installed at the second flue expansion joint 201 of the smoke outlet section flue 1 by means of a screw 7. As Figure 2 As shown, the connecting member 6 is provided with a first adjustment hole 601, which is provided at a position close to one end of the connecting member 6, and the end of the connecting member 6 away from the first adjustment hole 601 is provided with a mounting hole, which is installed through the mounting hole and bolts. The size of the first adjustment hole 602 on the connecting member 6 is determined according to the smoke pressure and expansion amount. In this example, the length of the first adjustment hole 601 is 12 mm. Specifically, in this example, the connecting member 6 is a connecting rod.

[0027] Embodiment 4 of the present invention: A novel flue connection device, such as Figure 1 , 3As shown, it includes a smoke outlet section flue 1, a first smoke inlet section flue 2 and a second smoke inlet section flue 3, the smoke outlet section flue 1 is connected with the first smoke inlet end flue 2 and the second smoke inlet section flue 3, a first connecting device 4 is provided at the first flue expansion joint 101 of the smoke outlet section flue 1, and a second connecting device 5 is provided at the second flue expansion joint 201 of the smoke outlet section flue 1. Further, the first connecting device 4 and the second connecting device 5 each include a plurality of connecting members 6, and the plurality of connecting members 6 are arranged in a ring with equal spacing. The first connecting device 4 includes 12 connecting members 6, and the first connecting device 4 is installed at the first flue expansion joint 101 of the smoke outlet section flue 1 through a screw 7. Further, the connecting member 6 is provided with a first adjustment hole 601 and a second adjustment hole 602, wherein the first adjustment hole 601 is provided at a position close to one end of the connecting member 6, and the second adjustment hole 602 is provided at a position close to the other end of the connecting member 6, and the first adjustment hole 601 and the second adjustment hole 602 are symmetrically provided. Further, the first adjustment hole 601 is provided with a screw rod 7; the second adjustment hole 602 is provided with a screw rod 7. The screw rod 7 can move relatively in its corresponding first adjustment hole 601 or second adjustment hole 602. The size of the first adjustment hole 602 and the size of the second adjustment hole 601 on the connecting member 6 are determined according to the smoke pressure and the expansion amount. In this example, the size of the first adjustment hole 602 and the length of the second adjustment hole 601 are 15 mm.

[0028] Embodiment 5 of the present invention: A novel flue connection device comprises a flue 1 for a smoke outlet section, a first flue 2 for a smoke inlet section and a second flue 3 for a smoke outlet section, wherein the flue 1 for a smoke outlet section is connected to the first flue 2 for a smoke outlet section and the second flue 3 for a smoke outlet section, wherein a first connection device 4 is provided at the first flue expansion joint 101 of the flue 1 for a smoke outlet section, and / or a second connection device 5 is provided at the second flue expansion joint 201 of the flue 1 for a smoke outlet section. The first connection device 4 comprises a plurality of connection members 6, and the plurality of connection members 6 are arranged in a ring shape with equal spacing. The second connection device 5 also comprises a plurality of connection members 6, and the plurality of connection members 6 are arranged in a ring shape with equal spacing. The first connection device 4 comprises 8 connection members 6, and the first connection device 4 is installed at the first flue expansion joint 101 of the flue 1 for a smoke outlet section by means of a screw 7. The second connection device 5 comprises 8 connection members 6, and the second connection device 5 is installed at the second flue expansion joint 201 of the flue 1 for a smoke outlet section by means of a screw 7.

[0029] like Figure 4As shown, the connecting member 6 includes a first member 603 and a second member 604, and screw holes are provided on the first member 603 and the second member 604. The first member 603 and the second member 604 are both fixedly installed at the expansion joint of the flue through the screw holes and bolts. In this example, the first member 603 and the second member 604 both use connecting plates of the same size, and the first member 603 and the second member 604 are both fixedly installed through bolts.

[0030] The working principle of the present invention is as follows: the flue gas flows from the first flue 2 and the second flue 3 to the flue 1, respectively. A plurality of equally spaced connectors 6 are arranged around the first flue expansion joint 101 of the first flue 2 and the second flue expansion joint 201 of the second flue 3. The plurality of connectors 6 can evenly withstand the flue pressure to avoid the direct transmission of the smoke blind plate force at the first flue expansion joint 101 and the second flue expansion joint 201 to the flue support, thereby changing the flue pressure from the external force on the flue support to the internal force of the flue itself. All the smoke pressure is borne by the connector 6, and there is no need to reinforce the flue support, thereby reducing the modification cost and maintenance cost.

Claims

1. A flue connection device, characterized in that: The invention comprises a smoke outlet section smoke duct (1), a first smoke inlet section smoke duct (2) and a second smoke inlet section smoke duct (3); the smoke outlet section smoke duct (1) is connected to the first smoke inlet section smoke duct (2) and the second smoke inlet section smoke duct (3); a first connecting device (4) is provided at the first smoke duct expansion joint (101) of the smoke outlet section smoke duct (1), and / or a second connecting device (5) is provided at the second smoke duct expansion joint (201) of the smoke outlet section smoke duct (1); the first connecting device (4) comprises a plurality of connecting members (6), and the plurality of connecting members (6) are ring-shaped and are spaced evenly apart. The second connecting device (5) also comprises a plurality of connecting pieces (6), and the plurality of connecting pieces (6) are arranged in a ring shape with equal spacing; the first connecting device (4) comprises 8 to 16 connecting pieces (6), and the first connecting device (4) is installed at a first flue expansion joint (101) of the flue (1) of the flue at the flue of the flue at the outlet section via a screw (7); the second connecting device (5) comprises 8 to 16 connecting pieces (6), and the second connecting device (5) is installed at a second flue expansion joint (201) of the flue (1) of the flue at the outlet section via a screw (7).

2. A flue connection device according to claim 1, characterized in that: The connecting member (6) comprises a first component (603) and a second component (604), and screw holes are provided on both the first component (603) and the second component (604).

3. A flue connection device according to claim 1, characterized in that: The connecting member (6) is provided with a first adjustment hole (601) and / or a second adjustment hole (602); the first adjustment hole (601) is provided at a position close to one end of the connecting member (6), and the second adjustment hole (602) is provided at a position close to the other end of the connecting member (6); the first adjustment hole (601) and the second adjustment hole (602) are symmetrically arranged.

4. A flue connection device according to claim 3, characterized in that: The first adjustment hole (601) is provided with a screw rod (7); the second adjustment hole (602) is provided with a screw rod (7).

5. A flue connection device according to claim 4, characterized in that: The size of the connecting piece (6) is determined according to the smoke pressure and expansion amount.

6. A flue connection device according to claim 1 or 5, characterized in that: The connecting member (6) is a connecting plate or a connecting rod.

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