CN211261865U

CN211261865U - Flue gas heat exchanger

Info

Publication number: CN211261865U
Application number: CN201922035507.1U
Authority: CN
Inventors: 王德甫; 冯杰
Original assignee: Jiangsu Sheng Xin Special Equipment Co ltd
Current assignee: Jiangsu Sheng Xin Special Equipment Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-08-14
Anticipated expiration: 2029-11-22

Abstract

The utility model relates to the technical field of heat exchangers, in particular to a flue gas heat exchanger, which comprises a shell, wherein the shell is cylindrical, openings are arranged at the upper end and the lower end of the shell, a lower end socket is fixedly connected at the lower end of the shell, an air inlet is arranged at the lower end of the lower end socket, an upper end socket is fixedly connected at the upper end of the shell, an air outlet is arranged at the upper end of the upper end socket, an inner container is also hermetically connected on the inner wall of the shell, the inner container is corrugated, a rotating ring is arranged in one of concave surfaces of the inner container, a scraping blade is fixedly arranged on the rotating ring and is attached to the inner wall of the inner container, a motor is also fixedly arranged on the outer wall of the shell, a first gear is arranged on an output shaft of the motor, the first gear is meshed with a second gear, the inner wall of the inner container can be, the heat exchange effect of the device is good, and the device can be normally used.

Description

Flue gas heat exchanger

Technical Field

The utility model relates to a heat exchanger technical field especially relates to a gas heater.

Background

The flue gas heat exchanger, also known as a flue gas cooler and a flue gas waste heat recoverer, is a heat exchange device which actually converts heat of waste flue gas into hot water, hot air or waste heat recovery of hot fluid required by life. The flue gas heat exchanger utilizes the heat of high-temperature or medium-temperature flue gas generated by an industrial kiln, a boiler, a coking furnace, a blast furnace and a metallurgical furnace to exchange heat through the heat exchanger, recover the heat and heat water or air.

The produced hot water, steam or high-temperature air can meet the requirements of domestic hot water, heating and power generation hot gas or food and material drying.

In the use process of the flue gas heat exchanger, dust in flue gas can be accumulated on the inner wall of the heat exchanger, and the heat exchange efficiency of the heat exchanger is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a flue gas heat exchanger.

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

a flue gas heat exchanger comprises a shell, wherein the shell is cylindrical, openings are formed in the upper end and the lower end of the shell, a lower end socket is fixedly connected to the lower end of the shell, an air inlet is formed in the lower end of the lower end socket, an upper end socket is fixedly connected to the upper end of the shell, an air outlet is formed in the upper end of the upper end socket, an inner container is further hermetically connected to the inner wall of the shell, the inner container is corrugated, a rotating ring is arranged in one concave surface of the inner container, a scraping piece is fixedly mounted on the rotating ring and attached to the inner wall of the inner container, a motor is further fixedly mounted on the outer wall of the shell, a first gear is mounted on an output shaft of the motor and meshed with a second gear, the second gear is sleeved on the outer side of the shell, a magnet block is mounted on the second gear in an embedded manner, an iron block is mounted on the rotating, the water inlet is still installed to the lower extreme of casing lateral wall, and the delivery port is still installed to the upper end of casing lateral wall.

Preferably, the baffle is installed at the bottom end of the inner wall of the lower end enclosure through a support, the baffle is located above the air inlet, the vertical section of the baffle is arc-shaped, and the height of the center of the baffle is greater than that of the edge of the baffle.

Preferably, the lower end of the lower end socket is also fixedly provided with a circular waste trough, a through groove is arranged between the lower end socket and the waste trough, and the lower end of the waste trough is provided with a cover plate.

Preferably, an annular dovetail sliding groove is formed in one of the concave surfaces of the inner container, and a sliding block is arranged on the outer side wall of the rotating ring and located inside the dovetail sliding groove.

The utility model has the advantages that: in the device use, drive first gear through the motor and rotate, first gear drives second gear, and the magnet piece on the second gear attracts the iron plate, and final second gear can drive the rotating ring and rotate, and when the rotating ring rotated, can clean the inner wall of inner bag through the doctor-bar, avoids the dust to gather on the inner wall of inner bag, and the heat transfer of device is effectual, guarantees the use that the device can be normal.

Drawings

Fig. 1 is a schematic view of a flue gas heat exchanger according to the present invention;

fig. 2 is a schematic view of a second gear and a rotating ring of the flue gas heat exchanger in a top view.

In the figure: the device comprises a lower end enclosure 1, a shell 2, an upper end enclosure 3, a liner 4, a motor 5, a first gear 6, a second gear 7, a rotating ring 8, a scraping sheet 9, an air inlet 10, an air outlet 11, a water inlet 12, a water outlet 13, a baffle 14, a waste material tank 15, a magnet block 16 and an iron block 17.

Detailed Description

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

Referring to fig. 1-2, a flue gas heat exchanger comprises a shell 2, wherein the shell 2 is cylindrical, openings are arranged at the upper end and the lower end of the shell 2, the lower end of the shell 2 is fixedly connected with a lower end socket 1 through a flange and a bolt, the lower end of the lower end socket 1 is provided with an air inlet 10, the upper end of the shell 2 is fixedly connected with an upper end socket 3 through a flange and a bolt, the upper end of the upper end socket 3 is provided with an air outlet 11, the inner wall of the shell 2 is further hermetically connected with an inner container 4, the inner container 4 is corrugated, a rotating ring 8 is arranged in one concave surface of the inner container 4, a scraping sheet 9 is fixedly arranged on the rotating ring 8, the scraping sheet 9 is attached to the inner wall of the inner container 4, a motor 5 is further fixedly arranged on the outer wall of the shell 2, a first gear 6 is arranged on an output shaft, the second gear 7 cup joints in the outside of casing 2, and second gear 7 can rotate around casing 2, and the embedding is installed magnet piece 16 on the second gear 7, iron plate 17 is installed in the embedding on the change ring 8, magnet piece 16 and iron plate 17 looks adaptation, magnet piece 16 attract behind the iron plate 17, and second gear 7 can drive change ring 8 and rotate, water inlet 12 is still installed to the lower extreme of casing 2 lateral wall, and delivery port 13 is still installed to the upper end of casing 2 lateral wall.

Further, a baffle 14 is installed at the bottom end of the inner wall of the lower end enclosure 1 through a support, the baffle 14 is located above the air inlet 10, the vertical section of the baffle 14 is arc-shaped, and the height of the center of the baffle 14 is greater than the height of the edge of the baffle 14.

Further, the lower end of the lower end socket 1 is fixedly provided with a circular waste trough 15, a through groove is formed between the lower end socket 1 and the waste trough 15, a cover plate is arranged at the lower end of the waste trough 15, and the cover plate is opened to clean the waste trough 15 after the device is stopped.

Furthermore, a circular dovetail sliding groove is formed in one of the concave surfaces of the inner container 4, and a sliding block is arranged on the outer side wall of the rotating ring 8 and located inside the dovetail sliding groove.

In this embodiment, in the device use, drive first gear 6 through motor 5 and rotate, first gear 6 drives second gear 7 and rotates, magnet piece 16 on the second gear 7 attracts iron plate 17, final second gear 7 can drive swivel becket 8 and rotate, when swivel becket 8 rotates, can clean the inner wall of inner bag through doctor-bar 9, avoid the dust to gather on the inner wall of inner bag 9, the heat transfer of device is effectual, guarantee the use that the device can be normal.

After the inner wall of dust follow inner bag falls, can drop 1 insides of low head, finally drops in the dirty tank 15 through leading to the groove, baffle 14 in the use, can reduce the condition that the dust dropped air inlet 10.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A flue gas heat exchanger comprises a shell (2) and is characterized in that the shell (2) is cylindrical, openings are formed in the upper end and the lower end of the shell (2), a lower end socket (1) is fixedly connected to the lower end of the shell (2), an air inlet (10) is formed in the lower end of the lower end socket (1), an upper end socket (3) is fixedly connected to the upper end of the shell (2), an air outlet (11) is formed in the upper end of the upper end socket (3), an inner container (4) is further hermetically connected to the inner wall of the shell (2), the inner container (4) is corrugated, a rotating ring (8) is arranged in one concave surface of the inner container (4), a scraping piece (9) is fixedly arranged on the rotating ring (8), the scraping piece (9) is attached to the inner wall of the inner container (4), a motor (5) is further fixedly arranged on the outer wall of the shell (2), a first gear (6) is arranged on an, first gear (6) and second gear (7) mesh mutually, second gear (7) cup joint in the outside of casing (2), and magnet piece (16) are installed in the embedding on second gear (7), iron plate (17) are installed in the embedding on rotating ring (8), magnet piece (16) and iron plate (17) looks adaptation, water inlet (12) are still installed to the lower extreme of casing (2) lateral wall, and delivery port (13) are still installed to the upper end of casing (2) lateral wall.

2. The flue gas heat exchanger according to claim 1, wherein a baffle (14) is mounted at the bottom end of the inner wall of the lower head (1) through a support, the baffle (14) is positioned above the gas inlet (10), the vertical section of the baffle (14) is arc-shaped, and the height of the center of the baffle (14) is greater than the height of the edge of the baffle (14).

3. The flue gas heat exchanger according to claim 1, wherein the lower end of the lower end enclosure (1) is further fixedly provided with a circular waste trough (15), a through trough is arranged between the lower end enclosure (1) and the waste trough (15), and the lower end of the waste trough (15) is provided with a cover plate.

4. The flue gas heat exchanger according to claim 1, wherein an annular dovetail sliding groove is arranged in one of the concave surfaces of the inner container (4), and a sliding block is arranged on the outer side wall of the rotating ring (8) and located inside the dovetail sliding groove.