CN212340037U

CN212340037U - Efficient heat exchange finned tube for boiler

Info

Publication number: CN212340037U
Application number: CN202020965410.0U
Authority: CN
Inventors: 郭华梅
Original assignee: Wuxi Institute of Technology
Current assignee: Wuxi Institute of Technology
Priority date: 2020-05-29
Filing date: 2020-05-29
Publication date: 2021-01-12
Anticipated expiration: 2030-05-29

Abstract

The utility model discloses a high-efficient heat exchange finned tube is used to boiler, including the heat transfer case, the groove of airing exhaust is installed to top one side of heat transfer case, the air inlet tank is installed to bottom one side of heat transfer case, the air inlet tank passes through snakelike core union coupling with the groove of airing exhaust, snakelike core distributes and has a plurality of radiating fin on the pipe, the water inlet has been seted up to top one side of heat transfer case, the delivery port has been seted up to bottom one side of heat transfer case, filtering component is installed to the bottom of heat transfer case, filtering component includes position sleeve seat, positioning seat, set screw and first filter screen. The utility model discloses novel structure thinks about ingeniously, and first filter screen is fixed under the intake stack to in filtering the high temperature flue gas, can detach the large granular substance such as the dust of doping in the flue gas, prevent that large granular substance such as dust from adsorbing the inside of snakelike core pipe, influence the heat transfer performance of snakelike core pipe, the installation is dismantled conveniently moreover.

Description

Efficient heat exchange finned tube for boiler

Technical Field

The utility model relates to a boiler accessory technical field specifically is a high-efficient heat exchange finned tube for boiler.

Background

The finned tube is a heat exchange element. In order to improve the heat exchange efficiency, fins are usually added on the surface of a heat exchange tube to increase the external surface area (or the internal surface area) of the heat exchange tube, so that the purpose of improving the heat exchange efficiency is achieved.

The finned tube is generally arranged in a flue of the boiler so as to exchange heat with flue gas and improve the recovery efficiency of waste heat. However, the flue gas in the boiler flue contains a large amount of large particulate matters such as dust, which enter the finned tubes and adhere to the inner walls of the finned tubes, thereby affecting the heat exchange efficiency of the finned tubes. Therefore, it is necessary to design a high-efficiency heat exchange finned tube for a boiler.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a high-efficient heat exchange finned tube for boiler, this finned tube novel structure thinks about ingeniously, and first filter screen is fixed under the air inlet tank to filter the high temperature flue gas, can detach the large granular material such as dust of doping in the flue gas, prevent that large granular material such as dust from adsorbing the inside of snakelike core pipe, influence the heat transfer performance of snakelike core pipe, the installation is dismantled conveniently moreover.

In order to achieve the above object, the utility model provides a following technical scheme: a high-efficiency heat exchange finned tube for a boiler comprises a heat exchange box, wherein an exhaust groove is arranged on one side of the top of the heat exchange box, an air inlet groove is arranged on one side of the bottom of the heat exchange box, the air inlet groove is connected with the exhaust groove through a snake-shaped core tube, a plurality of radiating fins are distributed on the snake-shaped core tube, a water inlet is formed in one side of the top of the heat exchange box, a water outlet is formed in one side of the bottom of the heat exchange box, and a filtering assembly is arranged at the bottom of the heat;

the filtering component comprises a positioning sleeve seat, a positioning screw and a first filter screen, the positioning sleeve seat is fixed on the periphery of the bottom of the heat exchange box, the positioning seat is fixed in the positioning sleeve seat through the positioning screw, and the first filter screen is installed in the positioning seat.

Preferably, the vibrating piece is installed on one side of the bottom of the first filter screen, and the electromagnetic vibrating device is installed at the bottom of the heat exchange box right above the vibrating piece.

Preferably, a clamping seat is installed on the inner wall of the bottom of the air inlet groove, and a second filter screen is clamped and fixed on the clamping seat.

Preferably, the bottom end of the snake-shaped core pipe is provided with a sewage draining outlet, and an end cover is screwed and fixed on the sewage draining outlet.

Preferably, the first filter screen is installed in the positioning seat at an angle of thirty degrees with the horizontal plane.

Preferably, the outer wall of the positioning seat is fixedly sleeved with a sealing ring.

The utility model has the advantages that:

1. cold water enters from the water inlet, is discharged from the water outlet after circulating inside the heat exchange box, high-temperature flue gas enters from the air inlet groove, is discharged from the air exhaust groove after circulating through the snake-shaped core pipe, and the heat exchange area between the high-temperature flue gas and the cold water can be effectively increased and the heat exchange performance is improved due to the snake-shaped core pipe;

2. the positioning seat is movably connected inside the positioning sleeve seat through the positioning screw, so that the first filter screen is fixed under the air inlet tank, high-temperature flue gas is filtered, large particle substances such as dust and the like doped in the flue gas can be removed, the large particle substances such as the dust and the like are prevented from being adsorbed inside the snake-shaped core pipe, the heat exchange performance of the snake-shaped core pipe is influenced, and the snake-shaped core pipe is convenient to mount and dismount;

3. the electromagnetic vibrator is arranged to work so as to continuously vibrate the vibrating piece, so that the first filter screen is driven to vibrate, large granular substances such as dust adsorbed on the first filter screen can be effectively removed, and the first filter screen is prevented from being blocked.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall plane structure of the present invention;

FIG. 2 is a schematic plan view of the filter assembly of the present invention;

fig. 3 is a schematic view of the inner plane structure of the air inlet duct of the present invention;

reference numbers in the figures: 1. a heat exchange box; 2. a serpentine core tube; 3. a heat dissipating fin; 4. an exhaust duct; 5. a water inlet; 6. a sewage draining outlet; 7. an end cap; 8. a filter assembly; 9. a second filter screen; 10. an air inlet groove; 11. a water outlet; 12. an electromagnetic shaker; 13. a positioning sleeve seat; 14. positioning seats; 15. a set screw; 16. a seal ring; 17. a first filter screen; 18. vibrating and beating the sheet; 19. a card seat.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying fig. 1-3.

Given by figures 1-3, the utility model provides the following technical scheme: a high-efficiency heat exchange finned tube for a boiler comprises a heat exchange box 1, wherein an air exhaust groove 4 is arranged on one side of the top of the heat exchange box 1, an air inlet groove 10 is arranged on one side of the bottom of the heat exchange box 1, the air inlet groove 10 is connected with an air exhaust groove 4 through a snakelike core tube 2, a plurality of heat dissipation fins 3 are distributed on the snakelike core tube 2, a water inlet 5 is formed in one side of the top of the heat exchange box 1, a water outlet 11 is formed in one side of the bottom of the heat exchange box 1, a filter assembly 8 is arranged at the bottom of the heat exchange box 1, cold water enters from the water inlet 5, the cold water is exhausted from the water outlet 11 after internal circulation of the heat exchange box 1, high-temperature smoke enters from the air inlet groove 10 and is exhausted from the air exhaust groove 4 after circulation through the snakelike;

the filter assembly 8 includes the position sleeve seat 13, the positioning seat 14, set screw 15 and first filter screen 17, be fixed with the position sleeve seat 13 around the bottom of heat transfer case 1, the inside of position sleeve seat 13 is fixed with positioning seat 14 through set screw 15, the internally mounted of positioning seat 14 has first filter screen 17, through set screw 15 with positioning seat 14 swing joint in the inside of position sleeve seat 13, thereby make first filter screen 17 fix under the intake stack 10, so that filter the high temperature flue gas, can detach the large granule material such as the dust of adulteration in the flue gas, prevent that large granule material such as dust from adsorbing the inside of snakelike core pipe 2, influence the heat transfer performance of snakelike core pipe 2, and the installation is dismantled conveniently.

The bottom one side of first filter screen 17 is installed and is shaken and beat piece 18, shakes and beat the bottom that piece 18 is located heat transfer case 1 directly over and installs the electromagnetism and shakes and beat ware 12, shakes through the electromagnetism that sets up and beats the ware 12 work to it is incessant to shake the piece 18 and shake to drive first filter screen 17 vibration, can effectually detach the large granule material such as dust that adsorbs on first filter screen 17, prevents that first filter screen 17 from blockking up.

The clamping seat 19 is installed on the inner wall of the bottom of the air inlet groove 10, the second filter screen 9 is fixed on the clamping seat 19 in a clamping mode, and secondary filtration is conducted through the second filter screen 9.

A sewage draining outlet 6 is formed in the bottom end of the S-shaped core pipe 2, and an end cover 7 is fixedly screwed on the sewage draining outlet 6, so that the S-shaped core pipe 2 can be cleaned conveniently.

The first filter screen 17 is installed in the positioning seat 14 at an angle of thirty degrees with the horizontal plane, so that large particulate matters such as dust on the first filter screen 17 can be removed conveniently.

The outer wall of the positioning seat 14 is sleeved and fixed with a sealing ring 16, and the sealing performance is good.

When the utility model is used, cold water enters from the water inlet 5, is discharged from the water outlet 11 after the internal circulation of the heat exchange box 1, high-temperature flue gas enters from the air inlet groove 10, is discharged from the air exhaust groove 4 after circulating through the S-shaped core pipe 2, and the heat exchange area of the high-temperature flue gas and the cold water can be effectively improved by arranging the S-shaped core pipe 2, so that the heat exchange performance is improved;

the positioning seat 14 is movably connected inside the positioning sleeve seat 13 through the positioning screw 15, so that the first filter screen 17 is fixed under the air inlet duct 10, high-temperature flue gas is filtered, large particle substances such as dust and the like doped in the flue gas can be removed, the large particle substances such as the dust and the like are prevented from being adsorbed inside the snake-shaped core tube 2, the heat exchange performance of the snake-shaped core tube 2 is influenced, and the mounting and dismounting are convenient;

the electromagnetic vibrator 12 is arranged to work so as to continuously vibrate the vibrating piece 18, thereby driving the first filter screen 17 to vibrate, effectively removing large granular substances such as dust adsorbed on the first filter screen 17 and preventing the first filter screen 17 from being blocked.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient heat exchange finned tube for boiler, includes heat exchange case (1), its characterized in that: an air exhaust groove (4) is installed on one side of the top of the heat exchange box (1), an air inlet groove (10) is installed on one side of the bottom of the heat exchange box (1), the air inlet groove (10) is connected with the air exhaust groove (4) through a snake-shaped core pipe (2), a plurality of radiating fins (3) are distributed on the snake-shaped core pipe (2), a water inlet (5) is formed in one side of the top of the heat exchange box (1), a water outlet (11) is formed in one side of the bottom of the heat exchange box (1), and a filtering assembly (8) is installed at the bottom of the heat exchange box (1);

filter component (8) are including position sleeve seat (13), positioning seat (14), set screw (15) and first filter screen (17), be fixed with position sleeve seat (13) around the bottom of heat transfer case (1), the inside of position sleeve seat (13) is fixed with positioning seat (14) through set screw (15), the internally mounted of positioning seat (14) has first filter screen (17).

2. A high-efficiency heat exchange finned tube for boilers as claimed in claim 1 wherein: the vibrating and beating device is characterized in that a vibrating and beating sheet (18) is installed on one side of the bottom of the first filter screen (17), and an electromagnetic vibrating and beating device (12) is installed at the bottom, located on the heat exchange box (1), right above the vibrating and beating sheet (18).

3. A high-efficiency heat exchange finned tube for boilers as claimed in claim 1 wherein: a clamping seat (19) is installed on the inner wall of the bottom of the air inlet groove (10), and a second filter screen (9) is clamped and fixed on the clamping seat (19).

4. A high-efficiency heat exchange finned tube for boilers as claimed in claim 1 wherein: the bottom end of the snakelike core pipe (2) is provided with a sewage draining exit (6), and an end cover (7) is fixedly screwed on the sewage draining exit (6).

5. A high-efficiency heat exchange finned tube for boilers as claimed in claim 1 wherein: the first filter screen (17) is arranged in the positioning seat (14) and forms a thirty-degree angle with the horizontal plane.

6. A high-efficiency heat exchange finned tube for boilers as claimed in claim 1 wherein: and a sealing ring (16) is fixedly sleeved on the outer wall of the positioning seat (14).