CN216346358U

CN216346358U - High-efficient recovery unit of flue gas waste heat for biological boiler

Info

Publication number: CN216346358U
Application number: CN202122628296.XU
Authority: CN
Inventors: 刘方忠; 毛双华; 杨明; 胡勤威; 龚俊; 章平衡
Original assignee: Quzhou Baiqiang New Material Technology Co ltd
Current assignee: Quzhou Baiqiang New Material Technology Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-04-19
Anticipated expiration: 2031-10-29

Abstract

The utility model discloses a high-efficiency flue gas waste heat recovery device for a biological boiler, which comprises a flue, wherein a switching mechanism is arranged in the flue, a recovery mechanism is arranged in the switching mechanism, the switching mechanism comprises two fixed blocks, the two fixed blocks are symmetrically and fixedly connected to the inner wall of the flue, the upper ends of the two fixed blocks are fixedly connected with inserted rods, the surfaces of the two inserted rods are respectively sleeved with springs, and the upper ends of the two inserted rods are respectively inserted into two insertion holes, so that the high-efficiency flue gas waste heat recovery device for the biological boiler has the beneficial effects that: insert the shift ring with the lower extreme of kettle inside, make the fixture block on kettle surface press the shift ring and move down, make the shift ring remove the lower extreme of discharging fume the pipe, this is that the V-arrangement groove on the kettle is pegged graft inside the flue, and the inside high temperature flue gas of flue enters into the pipe of discharging fume behind the V-arrangement groove, and then makes the high temperature flue gas heat the inside water of connecting the square tube, makes the heat in the flue gas prevent extravagant by effectual utilization.

Description

High-efficient recovery unit of flue gas waste heat for biological boiler

Technical Field

The utility model relates to a waste heat recovery device, in particular to a high-efficiency flue gas waste heat recovery device for a biological boiler, and belongs to the technical field of waste heat recovery.

Background

The waste heat refers to sensible heat and latent heat which are not reasonably utilized in the original design in the energy consumption device of the put-in-operation industrial enterprise due to the limitations of factors such as history, technology, concept and the like. The method comprises the steps of high-temperature waste gas waste heat, cooling medium waste heat, waste steam waste water waste heat, high-temperature product and slag waste heat, chemical reaction waste heat, combustible waste gas waste liquid, waste material waste heat and the like.

The biomass boiler is a kind of boiler, the boiler taking biomass energy as fuel is called as the biomass boiler, the existing biomass boiler can generate a large amount of smoke dust during combustion, the smoke dust contains a large amount of heat, the heat is dissipated out of the boiler when the smoke gas is discharged in the air, and the traditional biomass boiler is wasted when the smoke gas is discharged without means for utilizing the heat.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a high-efficiency flue gas waste heat recovery device for a biological boiler.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the high-efficiency flue gas waste heat recovery device for the biological boiler comprises a flue, wherein a switching mechanism is arranged inside the flue, and a recovery mechanism is arranged inside the switching mechanism;

the switching mechanism comprises two fixed blocks, the two fixed blocks are symmetrically and fixedly connected to the inner wall of the flue, the upper ends of the two fixed blocks are fixedly connected with inserted rods, the surfaces of the two inserted rods are respectively sleeved with springs, the upper ends of the two inserted rods are respectively inserted into the two insertion holes, the two insertion holes are respectively formed in the surfaces of the two ends of the movable ring, the outer wall of the upper end of the flue is hinged with a cover plate, the side wall of the flue is fixedly communicated with a smoke exhaust pipe, the outer wall of the movable ring is fixedly connected with an L-shaped rod, the upper end of the L-shaped rod is inserted into a through hole, and the through hole is formed in the outer wall of the upper end of the smoke exhaust pipe;

the recycling mechanism comprises a water kettle, the water kettle is inserted into the moving ring, two clamping blocks are symmetrically and fixedly connected to the outer wall of the water kettle, a V-shaped groove is formed in the lower surface of the water kettle, a plurality of connecting square cylinders are fixedly connected to the inner part of the V-shaped groove, a handle is connected to the outer wall of the upper end of the water kettle in a rotating mode, a top cover is clamped to the upper end of the water kettle, and a heat insulation ring is fixedly connected to the outer wall of the upper end of the water kettle.

Preferably, the lower surface of the heat insulation ring is arranged in contact with the upper end opening of the flue.

Preferably, the connecting square cylinder is communicated with the inside of the kettle.

Preferably, the heat insulating ring is located above the V-shaped groove.

Preferably, the upper end of the L-shaped rod corresponds to the cover plate.

Preferably, the inner wall of the moving ring is matched with the outer wall of the kettle.

The utility model provides a high-efficiency flue gas waste heat recovery device for a biological boiler, which has the beneficial effects that: insert the shift ring with the lower extreme of kettle inside, make the fixture block on kettle surface press the shift ring and move down, make the shift ring remove the lower extreme of discharging fume the pipe, this is that the V-arrangement groove on the kettle is pegged graft inside the flue, and the inside high temperature flue gas of flue enters into the pipe of discharging fume behind the V-arrangement groove, and then makes the high temperature flue gas heat the inside water of connecting the square tube, makes the heat in the flue gas prevent extravagant by effectual utilization.

Drawings

FIG. 1 is a diagram of a usage state of a flue gas waste heat efficient recovery device for a biological boiler according to the present invention;

FIG. 2 is a static state diagram of the high-efficiency flue gas waste heat recovery device for a biological boiler provided by the utility model;

FIG. 3 is a schematic structural view of a fixed square cylinder of the efficient flue gas waste heat recovery device for a biological boiler, which is provided by the utility model;

fig. 4 is an enlarged view of a part a in fig. 1 of the high-efficiency flue gas waste heat recovery device for the biological boiler provided by the utility model.

In the figure: the device comprises a flue 1, a switching mechanism 2, a fixed block 21, an insertion rod 22, a spring 23, an insertion hole 24, a moving ring 25, a cover plate 26, a smoke exhaust pipe 27, an L-shaped rod 28, a through hole 29, a recovery mechanism 3, a kettle 31, a clamping block 32, a V-shaped groove 33, a connecting square tube 34, a handle 35, a top cover 36 and a heat insulation ring 37.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, the high-efficiency flue gas waste heat recovery device for the biological boiler comprises a flue 1, wherein a switching mechanism 2 is arranged inside the flue 1, and a recovery mechanism 3 is arranged inside the switching mechanism 2;

the switching mechanism 2 comprises two fixed blocks 21, the two fixed blocks 21 are symmetrically and fixedly connected on the inner wall of the flue 1, the upper ends of the two fixed blocks 21 are fixedly connected with inserted rods 22, springs 23 are sleeved on the surfaces of the two inserted rods 22, the upper ends of the two inserted rods 22 are respectively inserted into two insertion holes 24, the two insertion holes 24 are respectively arranged on the surfaces of the two ends of a moving ring 25, a cover plate 26 is hinged on the outer wall of the upper end of the flue 1, a smoke exhaust pipe 27 is fixedly communicated on the side wall of the flue 1, an L-shaped rod 28 is fixedly connected on the outer wall of the moving ring 25, the upper end of the L-shaped rod 28 is inserted into a through hole 29, the through hole 29 is arranged on the outer wall of the upper end of the smoke exhaust pipe 27, when high-temperature smoke is not needed, the kettle 31 is taken out of the flue 1, the springs 23 push the moving ring 25 to move upwards, the moving ring 25 drives the L-shaped rod 28 to move upwards, so that the upper end of the L-shaped rod 28 pushes the cover plate 26 to cover the top end of the flue 1, the smoke is discharged through the smoke discharge pipe 27, so that the smoke in the flue 1 is prevented from being discharged indoors to cause harm to human bodies;

the recycling mechanism 3 comprises a water kettle 31, the water kettle 31 is inserted in the moving ring 25, two clamping blocks 32 are symmetrically and fixedly connected to the outer wall of the water kettle 31, a V-shaped groove 33 is formed in the lower surface of the water kettle 31, a plurality of connecting square cylinders 34 are fixedly connected to the inner part of the V-shaped groove 33, a handle 35 is rotatably connected to the outer wall of the upper end of the water kettle 31, a top cover 36 is clamped at the upper end of the water kettle 31, a heat insulation ring 37 is fixedly sleeved on the outer wall of the upper end of the water kettle 31, a cover plate 26 is opened, then the lower end of the water kettle 31 is inserted into the moving ring 25, the clamping blocks 32 on the surface of the water kettle 31 press the moving ring 25 to move downwards, the moving ring 25 moves to the lower end of the smoke exhaust pipe 27, the V-shaped groove 33 on the water kettle 31 is inserted in the flue 1, high-temperature smoke in the flue 1 enters the smoke exhaust pipe 27 after passing through the V-shaped groove 33, and further heats water in the connecting square cylinders 34, the heat in the flue gas is effectively utilized to prevent waste.

The lower surface of the heat insulating ring 37 is in contact with the upper opening of the flue 1, so that the flue gas is prevented from leaking out of the flue from the side of the kettle 31.

The connecting square tube 34 is communicated with the inside of the kettle 31, so that the heat absorbed by the inside of the connecting square tube 34 is transferred into the kettle 31.

The heat insulating ring 37 is located above the V-shaped groove 33, thereby preventing the smoke inside the V-shaped groove 33 from being emitted into the room through the heat insulating ring 37.

The upper ends of the L-shaped rods 28 correspond to the cover plates 26, and the flue 21 is covered by pushing the cover plates 26 through the L-shaped rods 28.

The inner wall of the moving ring 25 is matched with the outer wall of the water jug 31, thereby preventing the water jug 31 from shaking.

The working principle is as follows: when in use, the cover plate 26 is firstly opened, then the lower end of the kettle 31 is inserted into the moving ring 25, the clamping blocks 32 on the surface of the kettle 31 press the moving ring 25 to move downwards, the moving ring 25 is moved to the lower end of the smoke exhaust pipe 27, the V-shaped groove 33 on the kettle 31 is inserted in the flue 1, the high-temperature flue gas in the flue 1 enters the smoke exhaust pipe 27 after passing through the V-shaped groove 33, thereby heating the water in the connecting square tube 34 by the high-temperature flue gas, effectively utilizing the heat in the flue gas to prevent waste, when high-temperature smoke is not needed, the kettle 31 is taken out of the flue 1, the spring 23 pushes the moving ring 25 to move upwards, the moving ring 25 drives the L-shaped rod 28 to move upwards, the upper end of the L-shaped rod 28 pushes the cover plate 26 to cover the top end of the flue 1, smoke is discharged through the smoke discharge pipe 27, and the smoke in the flue 1 is prevented from being discharged indoors to cause harm to human bodies.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The high-efficiency flue gas waste heat recovery device for the biological boiler is characterized by comprising a flue (1), wherein a switching mechanism (2) is arranged in the flue (1), and a recovery mechanism (3) is arranged in the switching mechanism (2);

the switching mechanism (2) comprises two fixed blocks (21), the two fixed blocks (21) are symmetrically and fixedly connected to the inner wall of the flue (1), the upper ends of the two fixed blocks (21) are fixedly connected with inserted rods (22), the surfaces of the two inserted rods (22) are sleeved with springs (23), the upper ends of the two inserted rods (22) are respectively inserted into two insertion holes (24), the two insertion holes (24) are respectively arranged on the surfaces of the two ends of the movable ring (25), a cover plate (26) is hinged on the outer wall of the upper end of the flue (1), a smoke exhaust pipe (27) is fixedly communicated on the side wall of the flue (1), the outer wall of the moving ring (25) is fixedly connected with an L-shaped rod (28), the upper end of the L-shaped rod (28) is inserted into a through hole (29), and the through hole (29) is formed in the outer wall of the upper end of the smoke exhaust pipe (27);

retrieve mechanism (3) including kettle (31), inside removal ring (25) is pegged graft in kettle (31), two fixture blocks of symmetry fixedly connected with (32) on the outer wall of kettle (31), V-arrangement groove (33) have been seted up on the lower surface of kettle (31), a plurality of connection square barrels of inside fixedly connected with (34) of V-arrangement groove (33), it is connected with handle (35) to rotate on the upper end outer wall of kettle (31), the upper end joint of kettle (31) has top cap (36), it has heat-insulating ring (37) to fix the cover on the upper end outer wall of kettle (31).

2. The device for efficiently recycling the waste heat of flue gas for the biological boiler according to claim 1, wherein the lower surface of the heat insulation ring (37) is in contact with the upper end opening of the flue (1).

3. The efficient flue gas waste heat recovery device for the biological boiler according to claim 1, wherein the connecting square tube (34) is communicated with the inside of the kettle (31).

4. The device for efficiently recycling the waste heat of flue gas for the biological boiler as claimed in claim 1, wherein the heat insulation ring (37) is located above the V-shaped groove (33).

5. The high-efficiency flue gas waste heat recovery device for the biological boiler is characterized in that the upper end of the L-shaped rod (28) corresponds to the cover plate (26).

6. The device for efficiently recycling the waste heat of flue gas for the biological boiler as claimed in claim 1, wherein the inner wall of the moving ring (25) is matched with the outer wall of the kettle (31).