CN215597955U

CN215597955U - Internal circulation heating system

Info

Publication number: CN215597955U
Application number: CN202122388159.3U
Authority: CN
Inventors: 万军洋
Original assignee: Henan Wangpai Abrasive Cloth Manufacturing Co ltd
Current assignee: Henan Wangpai Abrasive Cloth Manufacturing Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-01-21
Anticipated expiration: 2031-09-28

Abstract

An internal circulation heating system solves the problems of large energy loss and high production cost of enterprises in the existing drying chamber. The hot air internal circulation device comprises a house frame, wherein a plurality of hot air internal circulation devices are fixedly arranged in the house frame and are symmetrically arranged; the hot gas internal circulation device comprises a positive pressure part and a negative pressure part, and the positive pressure part is communicated with the negative pressure part. In the utility model, an indoor internal circulation mode is adopted, hot air passes through the positive pressure part and the negative pressure part to form an internal circulation system, so that the hot air is not required to circulate outside, the heat loss can be well reduced, the production cost is reduced, the production efficiency is improved, and the symmetrical structures are adopted, so that the balance of the indoor hot air can be ensured to the maximum extent, and the large temperature difference can not occur in the indoor environment.

Description

Internal circulation heating system

Technical Field

The utility model relates to the technical field of drying in drying chambers, in particular to an internal circulation heating system.

Background

In the process of gauze production, the gauze in the drying chamber is required to be dried, and the current drying chamber is internally provided with external heating equipment, so that the drying chamber is in a relatively dry environment, but the mode easily causes great energy loss, the production cost of enterprises can be increased, and the current requirements of energy conservation and emission reduction are not met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides an internal circulation heating system, and effectively solves the problems of large energy loss and high enterprise production cost of the existing drying chamber.

The utility model is realized by the following technical scheme: an internal circulation heating system comprises a house frame, wherein a plurality of hot air internal circulation devices are fixedly arranged in the house frame and are symmetrically arranged;

the hot gas internal circulation device comprises a positive pressure part and a negative pressure part, and the positive pressure part is communicated with the negative pressure part.

Preferably, the positive pressure part comprises a double-outlet centrifugal fan, an air outlet end of the double-outlet centrifugal fan is connected with an air outlet pipeline, and a plurality of air blowing openings are formed in the air outlet pipeline.

Preferably, the negative pressure part comprises a return air pipe, an air suction opening is formed in the upper end of the return air pipe, and the lower end of the return air pipe is connected with an air inlet end of the double-outlet centrifugal fan.

Preferably, a plurality of radiating fins are fixedly connected in the return air pipe.

Preferably, a dehumidifying air duct is fixed at the upper end of the center of the house frame.

Preferably, the rock wool board is fixed on the outer side of the house frame in a wrapping mode.

Preferably, two export centrifugal fan include the forced draught blower body, are equipped with two air outlets on the forced draught blower body, and parallel arrangement just is located same straight line about the export of two air outlets.

Preferably, a flange is fixedly connected to an outlet of the air outlet.

In the utility model, an indoor internal circulation mode is adopted, hot air passes through the positive pressure part and the negative pressure part to form an internal circulation system, so that the hot air is not required to circulate outside, the heat loss can be well reduced, the production cost is reduced, the production efficiency is improved, and the symmetrical structures are adopted, so that the balance of the indoor hot air can be ensured to the maximum extent, and the large temperature difference can not occur in the indoor environment.

Drawings

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

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a schematic view of the present invention with a portion of the rock wool panel removed;

FIG. 4 is a schematic structural view of a single hot gas internal circulation device of the present invention;

FIG. 5 is a schematic axial side view of a single hot gas internal circulation device according to the present invention;

wherein: 1. a house frame; 2. a hot gas internal circulation device; 3. a positive pressure part; 4. a negative pressure part; 5. a double-outlet centrifugal fan; 6. an air outlet pipeline; 7. an air blowing port; 8. a return air duct; 9. an air suction opening; 10. a moisture extraction duct; 11. rock wool board.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

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.

As shown in fig. 1-5, an internal circulation heating system comprises a housing 1, wherein a plurality of hot air internal circulation devices 2 are fixedly installed in the housing 1, and the hot air internal circulation devices 2 are symmetrically arranged;

the hot gas internal circulation device 2 comprises a positive pressure part 3 and a negative pressure part 4, and the positive pressure part 3 is communicated with the negative pressure part 4.

In the utility model, the house frame 1 adopts a skeleton structure and is formed by welding a plurality of rectangular square pipes, and a plurality of hot air internal circulation devices 2 are fixed at the front side and the rear side in the house frame 1 and are in a completely symmetrical state, so that the front side, the rear side, the left side and the right side of the whole indoor environment can be balanced, and the stability of the whole indoor environment is ensured;

indoor steam passes through positive pressure portion 3 and outwards discharges, inhales through negative pressure portion 4, and positive pressure portion 3 and negative pressure portion 4 communicate with each other, and the steam that negative pressure portion 4 adsorbs directly enters into positive pressure portion 3 to reach a complete inner loop, accomplish a circulation of self, reduce the loss of heat energy.

The positive pressure part 3 comprises a double-outlet centrifugal fan 5, the air outlet end of the double-outlet centrifugal fan 5 is connected with an air outlet pipeline 6, and a plurality of air blowing openings 7 are formed in the air outlet pipeline 6.

In the utility model, the double-outlet centrifugal fan 5 is fixedly connected with the house frame 1, and the two air outlet pipelines 6 are arranged at the left end and the right end of the double-outlet centrifugal fan 5, so that the symmetry of the double-outlet centrifugal fan can be ensured to the maximum extent, the whole indoor stability is ensured, and air is exhausted indoors through the air outlet 7.

The negative pressure part 4 comprises a return air pipe 8, an air suction opening 9 is arranged at the upper end of the return air pipe 8, and the lower end of the return air pipe 8 is connected with an air inlet end of the double-outlet centrifugal fan 5.

The return air duct 8 can also be called as the return air board, it adopts platelike structure, can increase the area of contact with the indoor air like this, inlet scoop 9 is along 8 upper end horizontal direction equipartitions of return air duct, steam enters into the return air duct 8 through inlet scoop 9 in, the lower extreme of return air duct 8 communicates with each other with the air intake end of two export centrifugal fan 5, indoor steam enters into two export centrifugal fan 5 through inlet scoop 9 in like this, then enters into indoorly through the mouth of blowing 7 on the air-out pipeline 6, accomplish the complete inner loop of an indoor steam.

And a plurality of radiating fins are fixedly connected in the air return pipe 8.

In the utility model, a plurality of radiating fins are arranged, the radiating fins are convenient to contact with hot air, and the contact area is increased, so that the internal heat energy is ensured, and the heat energy loss is reduced.

And a dehumidifying air duct 10 is fixed at the upper end of the center of the house frame 1.

The dehumidifying air duct 10 is hollow, a plurality of dehumidifying air inlets are arranged at the lower end of the dehumidifying air duct, and indoor moisture enters the dehumidifying air duct 10 and is then discharged to the outside.

And the rock wool board 11 is fixed on the outer side of the house frame 1 in a coating manner.

The rock wool board 11 sets up, can play fine heat preservation effect, prevents that indoor steam from outwards revealing, the loss of reduction energy.

The double-outlet centrifugal fan 5 comprises a fan body, two air outlets are arranged on the fan body, and outlets of the two air outlets are arranged in parallel and located on the same straight line.

In the utility model, the air outlets of the double-outlet centrifugal fan 5 are on the same straight line, so that even if the diameter of the blower body is larger, the two air outlet pipelines 6 can be ensured to be on the same straight line, the portability during installation is increased, the whole symmetrical effect is ensured, and the balance of indoor hot air is ensured.

And a flange is fixedly connected at the outlet of the air outlet.

Air-out pipeline 6 and air outlet adopt the mode of flange to connect, and both belong to the mode that can dismantle the connection, make things convenient for the maintenance and the change in later stage.

In the utility model, an indoor internal circulation mode is adopted, hot air passes through the positive pressure part 3 and the negative pressure part 4 to form an internal circulation system, so that the hot air is not required to circulate outside, the heat loss can be well reduced, the production cost is reduced, the production efficiency is improved, and a symmetrical structure is adopted, so that the balance of the indoor hot air can be ensured to the maximum extent, and the large temperature difference can not occur in the indoor environment.

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 or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. An internal circulation heating system is characterized by comprising a house frame (1), wherein a plurality of hot air internal circulation devices (2) are fixedly arranged in the house frame (1), and the hot air internal circulation devices (2) are symmetrically arranged;

the hot gas internal circulation device (2) comprises a positive pressure part (3) and a negative pressure part (4), and the positive pressure part (3) is communicated with the negative pressure part (4).

2. The internal circulation heating system as claimed in claim 1, wherein the positive pressure part (3) comprises a double-outlet centrifugal fan (5), an air outlet end of the double-outlet centrifugal fan (5) is connected with an air outlet pipeline (6), and a plurality of air blowing openings (7) are arranged on the air outlet pipeline (6).

3. The internal circulation heating system as claimed in claim 2, wherein the negative pressure part (4) comprises a return air pipe (8), an air suction opening (9) is formed in the upper end of the return air pipe (8), and the lower end of the return air pipe (8) is connected with the air inlet end of the double-outlet centrifugal fan (5).

4. An internal circulation heating system according to claim 3, wherein a plurality of cooling fins are fixedly connected inside the return air duct (8).

5. An internal circulation heating system as claimed in claim 1, wherein a dehumidifying air duct (10) is fixed to the central upper end of the housing (1).

6. An internal circulation heating system as claimed in claim 1, wherein the housing (1) is externally wrapped with rock wool panels (11).

7. The internal circulation heating system according to claim 2, wherein the double-outlet centrifugal fan (5) comprises a blower body, two air outlets are arranged on the blower body, and outlets of the two air outlets are arranged in parallel left and right and are positioned on the same straight line.

8. The internal circulation heating system according to claim 7, wherein a flange is fixedly connected to an outlet of the air outlet.