CN216048014U

CN216048014U - Efficient full-automatic air heater

Info

Publication number: CN216048014U
Application number: CN202122143276.3U
Authority: CN
Inventors: 陆昕; 周立峰
Original assignee: WUXI HUATONG ELECTRIC POWER EQUIPMENT CO Ltd
Current assignee: WUXI HUATONG ELECTRIC POWER EQUIPMENT CO Ltd
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-03-15
Anticipated expiration: 2031-09-07

Abstract

The utility model discloses a high-efficiency full-automatic air heater, which has the technical scheme that: the steam-steam heat exchanger comprises a fixed frame, wherein two heat exchange assemblies for heat exchange are arranged in an inner cavity of the fixed frame, one end of each heat exchange assembly is provided with a steam inlet header, one end of each steam inlet header is fixedly communicated with a steam inlet pipe, the other end of each heat exchange assembly is provided with a drainage header, and one side of each drainage header is fixedly communicated with a drainage pipe; the problem of among the prior art fan heater only one heat transfer structure, heat exchange efficiency is lower and use cost is high is solved.

Description

Efficient full-automatic air heater

Technical Field

The utility model relates to the field of air heaters, in particular to a high-efficiency full-automatic air heater.

Background

The air heater is a heating and ventilating end device which takes various heating media (hot water, steam and electricity) as media, can rapidly cool and heat indoor air or outdoor fresh air, and enhances air circulation.

Reference may be made to chinese patent publication No. CN205402779U, which relates to a boiler, in particular to a two-dimensional expansion steam air heater. The steam distribution pipe and the backflow pipe are arranged at the end part of the shell, the fin heat exchange pipe is arranged between the steam distribution pipe and the backflow pipe, the bearing seats are arranged at two ends of the middle shaft pipe, and any end, penetrating out of the shell, of the middle shaft pipe is connected with the mounting base through the sliding bearing seat.

Above-mentioned patent has the difficult fracture damage of welding department, has prolonged the life's of fan heater advantage, but it also has the defect, if: it has only one heat exchange structure, and heat exchange efficiency is lower.

SUMMERY OF THE UTILITY MODEL

In view of the problems mentioned in the background art, the present invention is directed to a fully automatic air heater with high efficiency to solve the problems mentioned in the background art.

The technical purpose of the utility model is realized by the following technical scheme:

an efficient full-automatic air heater comprises a fixed frame, wherein two heat exchange assemblies for heat exchange are arranged in an inner cavity of the fixed frame, one end of each heat exchange assembly is provided with a steam inlet header, one end of each steam inlet header is fixedly communicated with a steam inlet pipe, the other end of each heat exchange assembly is provided with a drainage header, and one side of each drainage header is fixedly communicated with a drainage pipe;

the heat exchange assembly comprises a heat exchange shell and a plurality of finned tubes arranged inside the heat exchange shell, wherein two ends of the heat exchange shell are respectively connected with the steam inlet header and the drainage header in a fixed and a plurality of fixed tube bundle fixing plates fixedly connected with the outer walls of the finned tubes, the tube bundle fixing plates are fixedly connected with the inner walls of the heat exchange shell, and the heat exchange assembly further comprises a stabilizing mechanism used for stabilizing the finned tubes.

The efficient full-automatic air heater can effectively improve the working efficiency of the air heater by arranging the two heat exchange assemblies, the steam inlet header and the drainage header, and the working efficiency is improved by more than two times compared with the air heater with only one heat exchange assembly in the prior art;

according to the efficient full-automatic air heater, the tube bundle fixing plate and the stabilizing mechanism are arranged, the finned tubes can be effectively stabilized, the finned tubes are prevented from shaking and shifting in use, the structural stability of the efficient full-automatic air heater is improved, and the automatic air heater can be used for a long time.

Preferably, the top end of the fixed frame is fixedly connected with two protective cover plates, and the protective cover plates are provided with access doors for facilitating overhaul and maintenance; through the arrangement of the protective cover plate and the access door, the purpose of convenient maintenance can be achieved.

Preferably, the finned tubes are arranged in a staggered mode, and the tube bundle fixing plate is of a split structure; the finned tubes are distributed in a staggered mode, so that the contact area with high-temperature steam can be increased, the heat exchange efficiency is improved, the tube bundle fixing plates are of split structures, and the split tube bundle fixing plates are welded and fixed into a whole after the finned tubes are inserted.

Preferably, two sides of the inner wall of the heat exchange shell are respectively and fixedly connected with a steam guide plate, and the flow guide direction of the steam guide plate is parallel to the axial direction of the finned tube; the arrangement of the steam guide plate can facilitate the flowing direction of high-temperature steam.

Preferably, the stabilizing mechanism comprises a plurality of triangular steel plates fixedly connected to the inner wall of the heat exchange shell and two supporting rods; through the setting of triangle steel sheet and bracing piece, can effectively support and spacing a plurality of finned tubes, avoid the finned tube to take place to rock.

Preferably, the steam inlet pipe comprises a right-angle pipe elbow, a connecting pipe and a connecting flange, and a metal winding gasket is arranged on the connecting flange; through the setting of quarter bend and flange, can conveniently with external tube coupling, improved the installation convenience, the metal winding gasket has better high temperature resistance ability, high pressure resistance ability, sealing performance are good and easy to assemble's advantage.

Preferably, the ends of the steam inlet header and the drainage header are fixedly connected with traction plates for convenient installation; through the arrangement of the traction plate, the steam inlet header and the drainage header can be conveniently mounted and dismounted.

In summary, the utility model mainly has the following beneficial effects:

firstly, the efficient full-automatic air heater can effectively improve the working efficiency of the air heater through the arrangement of the two heat exchange assemblies, the steam inlet header and the drainage header, compared with the air heater with only one heat exchange assembly in the prior art, the working efficiency is improved by more than two times, meanwhile, the finned tube in the utility model is a steel-aluminum composite spiral finned tube, the air heater has better heat exchange efficiency, excellent weather resistance, longer service life and effectively reduced use cost, and the problems of lower heat exchange efficiency and high use cost caused by only one heat exchange structure in the air heater in the prior art can be effectively solved;

second, the efficient full-automatic air heater can effectively stabilize the plurality of finned tubes through the arrangement of the tube bundle fixing plate and the stabilizing mechanism, so that the finned tubes are prevented from shaking and shifting in use, the structural stability of the full-automatic air heater is improved, and the full-automatic air heater is beneficial to long-term use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the heat exchange assembly of the present invention;

FIG. 3 is a schematic view of the fixing mechanism of the present invention;

FIG. 4 is a schematic view of the structure of the steam inlet pipe of the present invention;

FIG. 5 is a schematic view of the structure of the drain pipe according to the present invention;

fig. 6 is a schematic structural view of the bundle fixing plate according to the present invention.

Reference numerals: 1. a fixed frame; 2. a heat exchange assembly; 21. a finned tube; 22. a tube bundle fixing plate; 23. a heat exchange housing; 3. an inlet steam header; 4. a steam inlet pipe; 41. a right angle pipe bend; 42. a connecting pipe; 43. a connecting flange; 44. a metal wound gasket; 5. a drainage header; 6. a drain pipe; 7. a steam deflector; 8. a traction plate; 9. a stabilizing mechanism; 91. a triangular steel plate; 92. a support bar; 10. a protective cover plate; 11. an access door.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1 to 6, an efficient full-automatic air heater includes a fixed frame 1, two heat exchange assemblies 2 for heat exchange are arranged in an inner cavity of the fixed frame 1, a steam inlet header 3 is arranged at one end of each heat exchange assembly 2, a steam inlet pipe 4 is fixedly communicated with one end of each steam inlet header 3, a drain header 5 is arranged at the other end of each heat exchange assembly 2, and a drain pipe 6 is fixedly communicated with one side of each drain header 5;

the heat exchange assembly 2 comprises a heat exchange shell 23 and a plurality of finned tubes 21 arranged inside the heat exchange shell 23, the two ends of the heat exchange shell 23 are respectively communicated and fixed with the steam inlet header 3 and the drainage header 5, the outer walls of the finned tubes 21 are fixedly connected with a tube bundle fixing plate 22, the tube bundle fixing plate 22 is fixedly connected with the inner wall of the heat exchange shell 23, and the heat exchange assembly 2 further comprises a stabilizing mechanism 9 used for stabilizing the finned tubes 21.

Referring to fig. 1, two protective cover plates 10 are fixedly connected to the top end of a fixed frame 1, and an access door 11 for facilitating maintenance is arranged on each protective cover plate 10; through the arrangement of the protective cover plate 10 and the access door 11, the purpose of convenient maintenance can be achieved.

Referring to fig. 3 and 6, the finned tubes 21 are arranged in a staggered manner, and the tube bundle fixing plates 22 are of a split structure; the contact area of the finned tubes 21 with high-temperature steam can be increased due to staggered distribution, the heat exchange efficiency is further improved, the tube bundle fixing plates 22 are of split structures, and the split tube bundle fixing plates 22 are welded and fixed into a whole after the finned tubes 21 are inserted.

Referring to fig. 3, two sides of the inner wall of the heat exchange shell 23 are fixedly connected with steam deflectors 7 respectively, and the flow guiding direction of the steam deflectors 7 is parallel to the axial direction of the finned tubes 21; the arrangement of the steam guide plate 7 can facilitate the flowing direction of high-temperature steam.

Referring to fig. 3, the fixing mechanism 9 includes a plurality of triangular steel plates 91 fixedly connected to the inner wall of the heat exchange shell 23 and two support rods 92; through the setting of triangle steel sheet 91 and bracing piece 92, can effectively support and spacing a plurality of finned tubes 21, avoid finned tube 21 to take place to rock.

Referring to fig. 4, the steam inlet pipe 4 includes a right-angle pipe elbow 41, a connecting pipe 42, and a connecting flange 43, and a metal wound gasket 44 is provided on the connecting flange 43; through the setting of right-angle pipe elbow 41 and flange 43, can conveniently be connected with external pipeline, improved the installation convenience, metal winding gasket 44 has better high temperature resistance, high pressure resistance, sealing performance is good and easy to assemble's advantage.

Referring to fig. 2, the ends of the steam inlet header 3 and the drain header 5 are fixedly connected with a traction plate 8 for convenient installation; through the setting of the traction plate 8, the installation and the disassembly of the steam inlet header 3 and the drainage header 5 can be facilitated.

The use principle and the advantages are as follows:

this full-automatic fan heater of efficient is when using, high temperature steam enters into in the steam admission header 3 through steam admission pipe 4, steam admission header 3 can ensure that high temperature steam is even stable through heat exchange assembly 2, and then heat transfer medium in the finned tube 21 in the heat transfer casing 23 heats, and then realize the purpose of heat transfer, after high temperature steam carries out the heat transfer, can liquefy gradually for the water droplet, high temperature steam becomes low temperature steam gradually, discharge from the one end of heat transfer casing 23, and the water droplet of liquefaction then discharges through drain pipe 6, and under the effect of tube bank fixed plate 22 and firm mechanism 9, can ensure finned tube 21's stability.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full-automatic fan heater of efficient which characterized in that: the heat exchanger comprises a fixed frame (1), wherein two heat exchange assemblies (2) for heat exchange are arranged in an inner cavity of the fixed frame (1), one end of each heat exchange assembly (2) is provided with a steam inlet header (3), one end of each steam inlet header (3) is fixedly communicated with a steam inlet pipe (4), the other end of each heat exchange assembly (2) is provided with a drainage header (5), and one side of each drainage header (5) is fixedly communicated with a drainage pipe (6);

heat exchange assembly (2) are in including heat exchange housing (23) and setting a plurality of finned tubes (21) of heat exchange housing (23) inside, the both ends of heat exchange housing (23) respectively with admission header (3) hydrophobic header (5) intercommunication is fixed, and is a plurality of the common fixedly connected with tube bank fixed plate (22) of outer wall of finned tube (21), tube bank fixed plate (22) with the inner wall fixed connection of heat exchange housing (23), heat exchange assembly (2) are still including being used for stabilizing a plurality of firm mechanism (9) of finned tube (21).

2. A high efficiency fully automatic air heater as claimed in claim 1, wherein: the top end of the fixed frame (1) is fixedly connected with two protective cover plates (10), and the protective cover plates (10) are provided with access doors (11) used for facilitating overhaul and maintenance.

3. A high efficiency fully automatic air heater as claimed in claim 1, wherein: the finned tubes (21) are arranged in a staggered mode, and the tube bundle fixing plate (22) is of a split structure.

4. A high efficiency fully automatic air heater as claimed in claim 1, wherein: the two sides of the inner wall of the heat exchange shell (23) are respectively and fixedly connected with a steam guide plate (7), and the flow guide direction of the steam guide plate (7) is parallel to the axial direction of the finned tube (21).

5. A high efficiency fully automatic air heater as claimed in claim 1, wherein: the stabilizing mechanism (9) comprises a plurality of triangular steel plates (91) fixedly connected to the inner wall of the heat exchange shell (23) and two supporting rods (92).

6. A high efficiency fully automatic air heater as claimed in claim 1, wherein: the steam inlet pipe (4) comprises a right-angle pipe elbow (41), a connecting pipe (42) and a connecting flange (43), and a metal winding gasket (44) is arranged on the connecting flange (43).

7. A high efficiency fully automatic air heater as claimed in claim 1, wherein: the end parts of the steam inlet header (3) and the drainage header (5) are fixedly connected with a traction plate (8) which is convenient to install.