Blind sleeve smoke tube structure for recovering heat

Abstract

The utility model relates to the technical field of smoke pipe structures, in particular to a blind sleeve smoke pipe structure for recovering heat, which comprises a smoke inlet cylinder and a blind sleeve body, one side of the smoke inlet cylinder is fixedly connected with the blind sleeve body, one side of the blind sleeve body is fixedly connected with an outdoor smoke discharging cylinder, and the upper end of the blind sleeve body is fixedly connected with a fan. An air outlet of the fan is fixedly connected with an indoor smoke conveying pipe, the inner side of the blind sleeve body is fixedly connected with an outer metal sleeve assembly, the inner side of the outer metal sleeve assembly is fixedly connected with an inner metal sleeve assembly, the outer metal sleeve assembly comprises an outer metal shell, and the inner side of the outer metal shell is provided with a first spiral channel. According to the device, the blind sleeve bodies are additionally arranged on the outdoor smoke exhaust cylinder and the smoke inlet cylinder, the heat exchange area is increased, smoke in the smoke inlet cylinder and the outdoor smoke exhaust cylinder forms a vortex shape in the blind sleeve bodies, heat can be better exchanged into air in a room, and therefore the heat is recycled, and waste of resources is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of smoke pipe structures, in particular to a blind smoke pipe structure for recovering heat. Background Art

[0002] How the blind sleeve smoke pipe structure with heat recovery improves energy utilization efficiency in industrial production and energy systems, especially in recovering waste heat during flue gas emission. In many industrial processes, such as combustion, heating and heat treatment, a large amount of high-temperature flue gas will be generated, which will take away a lot of heat energy when discharged into the atmosphere.

[0003] Ordinary civil smoke pipes are stove exhaust pipes that directly lead to the outdoors. The energy in the smoke accounts for as much as 50%, which is discharged to the outdoors in vain, causing energy waste. Therefore, a blind smoke pipe structure for recovering heat is proposed to address the above problem. Utility Model Content

[0004] The utility model aims to provide a blind smoke pipe structure for recovering heat, so as to solve the problem that ordinary civil smoke pipes are stove exhaust pipes that directly lead to the outdoors, and the energy in the smoke accounts for as much as 50%, which is discharged to the outdoors in vain, causing energy waste.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A blind sleeve smoke pipe structure for recovering heat, comprising a smoke inlet and a blind sleeve body, wherein one side of the smoke inlet is fixedly connected to the blind sleeve body, one side of the blind sleeve body is fixedly connected to an outdoor smoke exhaust pipe, the upper end of the blind sleeve body is fixedly connected to a fan, the air outlet of the fan is fixedly connected to an indoor smoke conveying pipe, the inner side of the blind sleeve body is fixedly connected to an outer metal sleeve assembly, the inner side of the outer metal sleeve assembly is fixedly connected to an inner metal sleeve assembly, the outer metal sleeve assembly comprises an outer metal shell, the inner side of the outer metal shell is provided with a first spiral channel, the inner side of the outer metal shell is provided with a through multi-way opening, one side of the outer metal shell is fixedly connected to a first installation insulation pipe, the inner side of the outer metal shell is fixedly connected to a built-in bracket, the inner side of the outer metal shell is provided with an air inlet outer edge opening, the inner metal sleeve assembly comprises an inner metal shell, the inner side of the inner metal shell is provided with a second spiral channel, the outer side of the inner metal shell is fixedly connected to a second installation insulation pipe, the inner side of the inner metal shell is provided with a built-in cone groove, and the outer side of the inner metal shell is fixedly connected to a folded insulation pipe.

[0007] As a further optimization of the present invention, the inner side of the blind sleeve body is hollow, through holes are provided at the front and rear ends of the blind sleeve body, the inner sides of the smoke inlet pipe and the outdoor smoke exhaust pipe are hollow, and the inner side of the blind sleeve body, the inner side of the smoke inlet pipe and the inner side of the outdoor smoke exhaust pipe are connected.

[0008] As a further optimization of the present invention, a mounting hole is provided at the upper end of the blind sleeve body, the fan is fixed to the upper part of the mounting hole of the smoke inlet, the inner side of the indoor smoke transport pipe is hollow, and the air outlet of the fan is connected to the inner side of the indoor smoke transport pipe.

[0009] As a further optimization of the present invention, the front end of the outer metal shell is fixed to the inner side of the front end of the blind sleeve body, the inner side of the outer metal shell is hollow, the front end opening of the outer metal shell is connected to the through hole at the front end of the blind sleeve body, the rear end of the outer metal shell is fixedly connected to the rear end of the blind sleeve body, and the rear end through hole of the outer metal shell is a closed structure through the blind sleeve body.

[0010] As further optimized content of the present invention, the front section of the blind sleeve body is provided with a folding channel, the blind sleeve body is connected with the interior of the air inlet outer edge port through the folding channel, the first spiral channel is spirally opened inside the outer metal shell, the air inlet outer edge port is connected with the interior of the first spiral channel, the first spiral channel, the multi-way port and the interior of the first installed insulation pipe are connected, and the first installed insulation pipe is connected with the air inlet of the fan.

[0011] As further optimized content of the present invention, the built-in bracket is fixedly connected to the outer side of the inner metal shell, the number of the built-in brackets is several groups, the number of the built-in brackets in each group is not less than three, the number of the inner metal shells is several, the shape of the inner metal shell is a hollow cone, the diameter of the through hole at the rear end of the blind sleeve body is the same as the diameter of the rear end of the inner metal shell, and the internal through hole of the blind sleeve body is connected to the inside of the inner metal shell.

[0012] As further optimization content of the present utility model, the shape of the second spiral channel is spirally opened, the second spiral channel is connected to the inner side of the second installed insulation pipe, the second installed insulation pipe is connected to the through-multiple ports, the second installed insulation pipe is fixedly connected to the outer metal shell, the folded insulation pipe is connected to the inside of the second spiral channel, there are two second installed insulation pipes, a third installed insulation pipe is fixedly connected to the inner side of the inner metal shell at the front end, and the inner side of the second installed insulation pipe is connected to the outer edge of the air intake.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] In the utility model, by arranging a blind sleeve body, an outdoor smoke exhaust pipe, a fan, an indoor smoke conveying pipe, an outer metal sleeve assembly and an inner metal sleeve assembly, the device adds a blind sleeve body to the outdoor smoke exhaust pipe and the smoke inlet pipe, thereby increasing the heat exchange area, and the smoke in the smoke inlet pipe and the outdoor smoke exhaust pipe forms a vortex inside the blind sleeve body, which is more conducive to exchanging heat to the air in the room, thereby recovering heat and reducing waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the blind sleeve body of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the outer metal sleeve assembly of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the outer metal shell of the utility model;

[0019] Figure 5 This is a schematic diagram of the inner metal shell structure of the utility model.

[0020] In the figure: 1. Chimney; 2. Blind sleeve body; 3. Outdoor smoke exhaust chimney; 4. Fan; 5. Indoor smoke delivery pipe; 6. Outer metal sleeve assembly; 61. Outer metal shell; 62. First spiral channel; 63. Through multiple openings; 64. First installation insulation pipe; 65. Built-in bracket; 66. Air inlet outer edge; 7. Inner metal sleeve assembly; 71. Inner metal shell; 72. Second spiral channel; 73. Second installation insulation pipe; 74. Built-in conical groove; 75. Folded insulation pipe; 76. Third installation insulation pipe. DETAILED DESCRIPTION

[0021] 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.

[0022] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0023] See also Figure 1-5 , the utility model provides a technical solution:

[0024] A heat recovery blind sleeve smoke pipe structure comprises a smoke inlet 1 and a blind sleeve body 2, wherein the smoke inlet 1 is fixedly connected to the blind sleeve body 2 on one side, the blind sleeve body 2 is fixedly connected to an outdoor smoke exhaust pipe 3 on one side, a fan 4 is fixedly connected to the upper end of the blind sleeve body 2, and an indoor smoke delivery pipe 5 is fixedly connected to the air outlet of the fan 4, an outer metal sleeve assembly 6 is fixedly connected to the inner side of the blind sleeve body 2, an inner metal sleeve assembly 7 is fixedly connected to the inner side of the outer metal sleeve assembly 6, and the outer metal sleeve assembly 6 comprises an outer metal shell 61, a first spiral channel 62 is provided on the inner side of the outer metal shell 61, and the outer metal The inner side of the shell 61 is provided with multiple through openings 63, a first installation insulation pipe 64 is fixedly connected to one side of the outer metal shell 61, a built-in bracket 65 is fixedly connected to the inner side of the outer metal shell 61, an air inlet outer edge opening 66 is provided on the inner side of the outer metal shell 61, the inner metal sleeve assembly 7 includes an inner metal shell 71, a second spiral channel 72 is provided on the inner side of the inner metal shell 71, a second installation insulation pipe 73 is fixedly connected to the outer side of the inner metal shell 71, a built-in conical groove 74 is provided on the inner side of the inner metal shell 71, and a folded insulation pipe 75 is fixedly connected to the outer side of the inner metal shell 71.

[0025] As a further implementation of this solution, the inner side of the blind sleeve body 2 is hollow, and through holes are provided at the front and rear ends of the blind sleeve body 2. The inner sides of the smoke inlet 1 and the outdoor smoke exhaust pipe 3 are hollow, and the inner side of the blind sleeve body 2, the inner side of the smoke inlet 1 and the inner side of the outdoor smoke exhaust pipe 3 are connected, so that smoke can flow out of the outdoor smoke exhaust pipe 3 to the outside.

[0026] As a further implementation of this solution, a mounting hole is provided at the upper end of the blind sleeve body 2, and the fan 4 is fixed on the upper part of the mounting hole of the smoke inlet 1. The inner side of the indoor smoke delivery pipe 5 is hollow, and the air outlet of the fan 4 is connected to the inner side of the indoor smoke delivery pipe 5. The fan 4 can be used to extract air from the outer metal sleeve assembly 6 and the inner metal sleeve assembly 7, thereby achieving the effect of heat recovery.

[0027] As a further implementation of this solution, the front end of the outer metal shell 61 is fixed to the inner side of the front end of the blind sleeve body 2, the inner side of the outer metal shell 61 is hollow, the front end opening of the outer metal shell 61 is connected to the through hole at the front end of the blind sleeve body 2, the rear end of the outer metal shell 61 is fixedly connected to the rear end of the blind sleeve body 2, and the rear end through hole of the outer metal shell 61 is a closed structure through the blind sleeve body 2, which can directly allow smoke to enter the interior of the outer metal shell 61, so that most of the smoke stays in the outer metal shell 61 for a short time;

[0028] As a further implementation of this solution, a folded channel is provided at the front section of the blind sleeve body 2, and the blind sleeve body 2 is connected to the inside of the air inlet outer edge port 66 through the folded channel. The first spiral channel 62 is spirally opened inside the outer metal shell 61, and the air inlet outer edge port 66 is connected to the inside of the first spiral channel 62. The first spiral channel 62, the through-multiple ports 63 and the first installation insulation pipe 64 are connected to the inside, and the first installation insulation pipe 64 is connected to the air inlet of the fan 4, so that the external air flows from the first spiral channel 62 to exchange the heat of the outer metal shell 61.

[0029] As a further implementation of the present invention, the built-in bracket 65 is fixedly connected to the outer side of the inner metal shell 71, the number of the built-in bracket 65 is several groups, the number of each group of the built-in bracket 65 is not less than three, the number of the inner metal shell 71 is several, the shape of the inner metal shell 71 is a hollow cone, the diameter of the through hole at the rear end of the blind sleeve body 2 is the same as the diameter of the rear end of the inner metal shell 71, and the internal through hole of the blind sleeve body 2 is connected to the inside of the inner metal shell 71, which plays the effect of supporting and fixing the inner metal shell 71;

[0030] As a further implementation scheme of the present scheme, the shape of the second spiral channel 72 is spirally opened, the second spiral channel 72 is connected to the inner side of the second installed insulation pipe 73, the second installed insulation pipe 73 is connected to the through-multi-port 63, the second installed insulation pipe 73 is fixedly connected to the outer metal shell 61, the folded insulation pipe 75 is connected to the inside of the second spiral channel 72, there are two second installed insulation pipes 73, and a third installed insulation pipe 76 is fixedly connected to the inside of the front end inner metal shell 71, and the inner side of the third installed insulation pipe 76 is connected to the air inlet outer edge port 66, so as to facilitate the flow of external air from the inside of the second spiral channel 72, exchange heat inside the inner metal shell 71, and realize the recovery effect.

[0031] Working process: When the device is in use, the external power supply is energized, and the smoke enters the outer metal sleeve assembly 6 from the smoke inlet 1. When entering the outer metal sleeve assembly 6, most of the smoke collides with the outside of the inner metal shell 71, and a small part of the smoke flows into the outdoor smoke exhaust pipe 3 from the built-in conical groove 74 inside the inner metal shell 71, and flows out of the outdoor smoke exhaust pipe 3. After the smoke collides with the inner metal shell 71, the smoke expands outward to form a vortex phenomenon, which increases the contact area between the smoke and the inner metal shell 71 and the outer metal shell 61. The outer metal shell 61 and the inner metal shell 71 absorb the heat in the smoke, and the inner metal shell 71 is fixed to the middle part of the outer metal shell 61 by the built-in bracket 65, which has the effect of stabilizing the inner metal shell 71. When the heat inside the outer metal shell 61 and the inner metal shell 71 is recovered and used, the fan 4 is started, and the fan 4 is connected to the outer metal shell 71 through the first installation The insulating tube 64 is installed to evacuate the interior of the multi-port 63, and at the same time, the interior of the second insulating tube 73 is evacuated. The external gas enters the interior of the air inlet outer edge port 66 from the front end folded channel of the blind sleeve body 2, partially enters the interior of the first spiral channel 62 from the interior of the air inlet outer edge port 66, and partially enters the interior of the third insulating tube 76. When the gas flows, the heat inside the outer metal shell 61 is absorbed. At the same time, part of the gas enters the second spiral channel 72 inside the front inner metal shell 71 from the third insulating tube 76, enters the folded insulating tube 75 from the second spiral channel 72, enters the second insulating tube 73 from the folded insulating tube 75, and enters the interior of the multi-port 63 from the second insulating tube 73. At this time, the gas that passes through the multi-port 63 is concentrated from the first insulating tube 64 to the air inlet of the fan 4, and enters the indoor smoke transport pipe 5, thereby realizing the heat recovery effect in the smoke.

[0032] Although the 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 blind sleeve smoke pipe structure for heat recovery, comprising a smoke inlet (1) and a blind sleeve body (2), characterized in that: A blind sleeve body (2) is fixedly connected to one side of the smoke inlet pipe (1), an outdoor smoke exhaust pipe (3) is fixedly connected to one side of the blind sleeve body (2), a fan (4) is fixedly connected to the upper end of the blind sleeve body (2), an indoor smoke delivery pipe (5) is fixedly connected to the air outlet of the fan (4), an outer metal sleeve assembly (6) is fixedly connected to the inner side of the blind sleeve body (2), an inner metal sleeve assembly (7) is fixedly connected to the inner side of the outer metal sleeve assembly (6), the outer metal sleeve assembly (6) comprises an outer metal shell (61), a first spiral channel (62) is provided on the inner side of the outer metal shell (61), and a plurality of spiral channels (62) are provided on the inner side of the outer metal shell (61). A through opening (63), a first installation heat preservation pipe (64) is fixedly connected to one side of the outer metal shell (61), a built-in bracket (65) is fixedly connected to the inner side of the outer metal shell (61), an air inlet outer edge opening (66) is opened on the inner side of the outer metal shell (61), the inner metal sleeve assembly (7) comprises an inner metal shell (71), a second spiral passage (72) is opened on the inner side of the inner metal shell (71), a second installation heat preservation pipe (73) is fixedly connected to the outer side of the inner metal shell (71), a built-in conical groove (74) is opened on the inner side of the inner metal shell (71), and a folded heat preservation pipe (75) is fixedly connected to the outer side of the inner metal shell (71).

2. The heat recovery blind sleeve smoke pipe structure according to claim 1 is characterized in that: The inner side of the blind sleeve body (2) is hollow, and through holes are provided at the front and rear ends of the blind sleeve body (2). The inner sides of the smoke inlet pipe (1) and the outdoor smoke exhaust pipe (3) are hollow, and the inner sides of the blind sleeve body (2), the smoke inlet pipe (1) and the outdoor smoke exhaust pipe (3) are connected.

3. The heat recovery blind sleeve smoke pipe structure according to claim 1 is characterized in that: The blind sleeve body (2) has a mounting hole at its upper end, the fan (4) is fixed to the upper portion of the mounting hole of the smoke inlet pipe (1), the inner side of the indoor smoke delivery pipe (5) is hollow, and the air outlet of the fan (4) is in communication with the inner side of the indoor smoke delivery pipe (5).

4. The blind sleeve smoke pipe structure for heat recovery according to claim 1 is characterized in that: The front end of the outer metal shell (61) is fixed to the inner side of the front end of the blind sleeve body (2); the inner side of the outer metal shell (61) is hollow; the front end opening of the outer metal shell (61) is connected to the through hole at the front end of the blind sleeve body (2); the rear end of the outer metal shell (61) is fixedly connected to the rear end of the blind sleeve body (2); the rear end through hole of the outer metal shell (61) is a closed structure through the blind sleeve body (2).

5. The heat recovery blind sleeve smoke pipe structure according to claim 1 is characterized in that: The front section of the blind sleeve body (2) is provided with a folded channel, and the blind sleeve body (2) is connected to the interior of the air inlet outer edge port (66) through the folded channel. The first spiral channel (62) is spirally opened inside the outer metal shell (61). The air inlet outer edge port (66) is connected to the interior of the first spiral channel (62). The first spiral channel (62), the through-multiple ports (63) and the interior of the first installation insulation pipe (64) are connected. The first installation insulation pipe (64) is connected to the air inlet of the fan (4).

6. The heat recovery blind sleeve smoke pipe structure according to claim 1 is characterized in that: The built-in bracket (65) is fixedly connected to the outer side of the inner metal shell (71); the number of the built-in bracket (65) is several groups, and the number of each group of the built-in bracket (65) is not less than three; the number of the inner metal shell (71) is several; the shape of the inner metal shell (71) is a hollow cone; the diameter of the through hole at the rear end of the blind sleeve body (2) is the same as the diameter of the rear end of the inner metal shell (71); and the internal through hole of the blind sleeve body (2) is connected to the inside of the inner metal shell (71).

7. The blind sleeve smoke pipe structure for heat recovery according to claim 1 is characterized in that: The second spiral channel (72) is in the shape of a spiral opening. The second spiral channel (72) is connected to the inner side of the second installation insulation pipe (73). The second installation insulation pipe (73) is connected to the through-multiple-way opening (63). The second installation insulation pipe (73) is fixedly connected to the outer metal shell (61). The folded insulation pipe (75) is connected to the inside of the second spiral channel (72). There are two second installation insulation pipes (73). A third installation insulation pipe (76) is fixedly connected to the inner side of the inner metal shell (71) at the front end. The inner side of the third installation insulation pipe (76) is connected to the outer edge of the air inlet (66).

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