Steam air heating device

Abstract

The utility model discloses a steam air heating device which comprises a heat preservation box, an air channel is fixedly arranged in the heat preservation box, an air inlet pipe and an air outlet pipe are fixedly arranged above the heat preservation box, and the air inlet pipe and the air outlet pipe are communicated with the two ends of the air channel respectively. The main steam channel and the backflow steam channel are arranged on the two sides of the air channel, it is guaranteed that the two sides of the air channel can heat internal air, and it is guaranteed that the air in the air pipeline can be better heated by arranging the multiple heated pieces on the two sides of the air pipeline; meanwhile, the extension pieces and the heated protrusions are arranged on the heated pieces, the heated area is further guaranteed, the heat dissipation pieces are arranged on the two sides of the steam channel, the heat dissipation pieces are arranged between the two heated pieces, and the utilization rate of overall heat energy is further guaranteed; meanwhile, the heat dissipation recesses are formed in the heat dissipation fins, so that the heat dissipation area is increased, and heat dissipation is further guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to air heating technical field, concretely is a kind of steam air heating device. BACKGROUND

[0002] Steam air heating device is a kind of equipment using steam as heat source, is widely used in industry, building heating and greenhouse and other fields.The prior art mainly includes the mechanism that steam exchanges heat with air by heat exchanger, steam generated by steam generator releases heat in heat exchanger, and air is warmed up.The conventional air heating mode such as electric heating and gas heating, although energy efficiency is higher, but there is deficiency in operating cost and environmental performance.Modern steam air heating device uses optimized design heat exchanger and automation control system, improves thermal efficiency and safety.At the same time, with the attention to energy saving and emission reduction, relevant equipment is constantly updated in material and technology, and is committed to reducing energy consumption and environmental impact, so that it is more competitive in large-scale heating demand.

[0003] But the prior art still has great deficiency, for example:

[0004] In the prior art, steam pipeline and air pipeline are often simply arranged close to each other, and the heat emitted by steam pipeline is used to heat the air in air pipeline, but this way has large heat loss, and it is difficult to use the heat of steam more efficiently. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a kind of steam air heating device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme:

[0007] A kind of steam air heating device, including heat preservation box, air passage is fixedly arranged in the heat preservation box, air inlet pipe and air outlet pipe are fixedly arranged above the heat preservation box, the air inlet pipe and the air outlet pipe are communicated with the two ends of air passage respectively;

[0008] The two sides of the air passage are provided with steam passage, the steam passage is symmetrically arranged with air passage as symmetry axis, one side is main steam passage, the other side is reflux steam passage, the main steam passage and the reflux steam passage are communicated by communicating pipe, steam inlet pipe and steam outlet pipe are fixedly arranged on the side wall of the heat preservation box, the steam inlet pipe is communicated with the main steam passage, and the steam outlet pipe is communicated with the reflux steam passage.

[0009] Preferably, the two sides of the outer wall of the air passage are provided with a plurality of heating pieces, a first heating cavity is formed in the heating piece and communicated with the air passage;

[0010] The outer wall of the heated sheet is symmetrically provided with a plurality of extension sheets, and a second heated cavity is formed in the extension sheet and is communicated with the first heated cavity.

[0011] Preferably, a plurality of heated protrusions are arranged on the extension sheet.

[0012] Preferably, a plurality of first air baffle sheets are fixedly arranged in the air channel, and a part of the first air baffle sheet extends into the first heated cavity; and the first air baffle sheet does not completely seal the air channel and the first heated cavity.

[0013] Preferably, the main steam channel and the return steam channel are provided with heat dissipation sheets on the side close to the air channel, and a heat dissipation cavity is formed in the heat dissipation sheet and is communicated with the steam channel.

[0014] The second air baffle sheet is arranged in the steam channel, the second air baffle sheet blocks the steam channel, the second air baffle sheet extends into the heat dissipation cavity, and a steam passing part is left.

[0015] Preferably, a plurality of heat dissipation recesses are arranged on the surface of the heat dissipation sheet.

[0016] Preferably, a heat preservation layer is arranged on the surface of the communication pipe.

[0017] Preferably, the distance between adjacent extension sheets is greater than the width of the heat dissipation sheet, and the heat dissipation sheet extends between two adjacent heated sheets.

[0018] Compared with the prior art, the utility model has the advantages that:

[0019] 1. The main steam channel and the return steam channel are arranged on both sides of the air channel, so that the air channel on both sides can heat the internal air, and the heat of the steam is fully used.

[0020] 2. A plurality of heated sheets are arranged on both sides of the air channel, so that the air in the air channel can be better heated, and the extension sheet and the heated protrusion arranged on the heated sheet further ensure the heating area, so that the heat energy can be more efficiently used.

[0021] 3. The heat dissipation sheet is arranged on both sides of the steam channel and between the two heated sheets, so that the use rate of the overall heat energy is further ensured, the heat dissipation recess arranged on the heat dissipation sheet also increases the heat dissipation area, and the steam circulation path is lengthened by the second air baffle sheet, so that the heat dissipation is further ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic view of the utility model heat preservation box.

[0023] Figure 2 It is the three-dimensional structure schematic view of the air passage of the utility model;

[0024] Figure 3 It is the three-dimensional structure schematic view of the heated sheet of the utility model;

[0025] Figure 4 It is the three-dimensional structure schematic view of the steam passage of the utility model;

[0026] Figure 5 It is the internal structure schematic view of the air passage of the utility model;

[0027] Figure 6 It is the internal structure schematic view of the steam passage of the utility model.

[0028] In the drawing: 1, heat preservation box; 2, air passage; 3, air inlet pipe; 4, air outlet pipe; 5, steam passage; 51, main steam passage; 52, backflow steam passage; 6, communication pipe; 7, steam air inlet pipe; 8, steam air outlet pipe; 9, heated sheet; 10, first heated cavity; 11, extension sheet; 12, second heated cavity; 13, heated protrusion; 14, first air baffle; 15, heat dissipation sheet; 16, heat dissipation cavity; 17, second air baffle; 18, steam passing part; 19, heat dissipation recess; 20, heat preservation layer. DETAILED DESCRIPTION

[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Please refer to Figures 1-6 The utility model provides a technical scheme:

[0031] A steam air heating device, including heat preservation box 1, heat preservation box 1 inside fixedly arranged with air passage 2, heat preservation box 1 top is fixedly arranged with air inlet pipe 3 and air outlet pipe 4, and air inlet pipe 3 and air outlet pipe 4 are communicated with the both ends of air passage 2 respectively;

[0032] The purpose of heat preservation box 1 in the embodiment is to heat preservation inside, ensure that the heat of steam passage 5 arranged inside will not be quickly dissipated to outside, and air inlet pipe 3 and air outlet pipe 4 in the embodiment can be exchanged and used, and not fixed from which passage to inlet and outlet air;

[0033] The air passage 2 is provided with steam passages 5 on both sides, the steam passages 5 are symmetrically arranged with the air passage 2 as the symmetric axis, one side is a main steam passage 51, and the other side is a reflux steam passage 52, the main steam passage 51 and the reflux steam passage 52 are communicated through a communication pipe 6, and the steam inlet pipe 7 and the steam outlet pipe 8 are fixedly arranged on the side wall of the heat preservation box 1, the steam inlet pipe 7 is communicated with the main steam passage 51, and the steam outlet pipe 8 is communicated with the reflux steam passage 52.

[0034] The steam passage 5 in the embodiment is divided into two parts, which are arranged on both sides of the air passage 2, one side is the main steam passage 51, which is communicated with the steam inlet pipe 7, and the other side is the reflux steam passage 52, which is communicated with the steam outlet pipe 8, the steam passage 5 is arranged as two parts on both sides of the air passage 2, which can better heat the air in the air passage 2, and can improve the use efficiency of the overall heat to a certain extent;

[0035] A plurality of heating pieces 9 are arranged on both sides of the outer wall of the air passage 2, and a first heating cavity 10 is arranged in the heating piece 9 and communicated with the air passage 2;

[0036] A plurality of extension pieces 11 are symmetrically arranged on the outer wall of the heating piece 9, a second heating cavity 12 is arranged in the extension piece 11 and communicated with the first heating cavity 10, a plurality of first air baffles 14 are fixedly arranged in the air passage 2, and a part of the first air baffle 14 extends into the first heating cavity 10; the first air baffle 14 does not completely seal the air passage 2 and the first heating cavity 10, and a plurality of heating protrusions 13 are arranged on the extension piece 11.

[0037] In the embodiment, a plurality of heating pieces 9 are arranged on both sides of the air passage 2, and the first heating cavity 10 is arranged in the heating piece 9 and communicated with the air passage 2, which can ensure that the air in the air passage 2 has a larger contact area with heat, the extension piece 11 is arranged on the heating piece 9, and the second heating cavity 12 is arranged in the extension piece 11 and communicated with the first heating cavity 10, which can further increase the contact area, the first air baffle 14 is arranged in the air passage 2, and a part of the air in the air passage 2 can enter the first heating cavity 10 and the second heating cavity 12 when the air flows in the air passage 2, the first air baffle 14 does not completely block the air passage 2 and the first heating cavity 10, and the heating protrusion 13 is arranged on the extension piece 11, which further increases the contact area;

[0038] In the embodiment, five heating pieces 9 are arranged on one side of the air passage 2, and three heating pieces 9 are arranged on the other side;

[0039] The main steam passage 51 and the backflow steam passage 52 are provided with radiating fins 15 near one side of the air passage 2, and the radiating fins 15 are internally provided with radiating cavities 16 communicated with the steam passage 5;

[0040] The second air baffle 17 is fixedly arranged in the steam passage 5, the second air baffle 17 blocks the steam passage 5, the second air baffle 17 extends into the radiating cavity 16, and a steam passing part 18 is reserved.

[0041] The number of the radiating fins 15 on the main steam passage 51 in the embodiment is four, and the number of the radiating fins on the backflow steam passage 52 is three; under the arrangement of the second air baffle 17, the passing path of the steam in the steam passage 5 is longer, and the steam passage 5 and the radiating cavity 16 in the radiating fin 15 can be filled;

[0042] The surface of the radiating fin 15 is provided with radiating recesses 19, and the radiating recesses 19 and the heated protrusions 13 have a corresponding relationship, so that the radiating effect of the radiating fin 15 is better.

[0043] The surface of the communicating pipe 6 is provided with a heat preservation layer 20, the distance between the adjacent extension fins 11 is greater than the width of the radiating fin 15, and the radiating fin 15 extends into the two adjacent heated fins 9.

[0044] The heat preservation layer 20 is wrapped on the communicating pipe 6, so that the heat on the communicating path cannot be lost in a large amount, and the distance between the two extension fins 11 is not less than the thickness of the radiating fin 15, so that the radiating fin 15 can extend into the heated fin 9.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A steam air heating device, characterized by: The utility model provides a heat preservation box, which comprises an air passage (2) fixedly arranged inside a heat preservation box (1), an air inlet pipe (3) and an air outlet pipe (4) fixedly arranged above the heat preservation box (1), and the air inlet pipe (3) and the air outlet pipe (4) are communicated with both ends of the air passage (2) respectively. Steam passages (5) are arranged on both sides of the air passage (2) and symmetrically arranged with the air passage (2) as the axis of symmetry, one side being a main steam passage (51) and the other side being a reflux steam passage (52), the main steam passage (51) and the reflux steam passage (52) being communicated through a communication pipe (6), a steam inlet pipe (7) and a steam outlet pipe (8) being fixedly arranged on the side wall of the heat preservation box (1), the steam inlet pipe (7) being communicated with the main steam passage (51), and the steam outlet pipe (8) being communicated with the reflux steam passage (52).

2. A steam air heating device according to claim 1, characterised in that: A plurality of heated pieces (9) are arranged on both sides of the outer wall of the air passage (2), and a first heated cavity (10) communicated with the air passage (2) is formed in the heated piece (9). A plurality of extension pieces (11) are symmetrically arranged on the outer wall of the heated piece (9), and a second heated cavity (12) communicated with the first heated cavity (10) is formed in the extension piece (11).

3. A steam air heating device according to claim 2, characterised in that: A plurality of heated protrusions (13) are arranged on the extension piece (11).

4. A steam air heating device according to claim 3, characterised in that: A plurality of first air baffle pieces (14) are fixedly arranged in the air passage (2), and a part of the first air baffle piece (14) extends into the first heated cavity (10); the first air baffle piece (14) does not completely seal the air passage (2) and the first heated cavity (10).

5. A steam air heating device according to claim 4, characterised in that: Heat dissipation pieces (15) are arranged on the side of the main steam passage (51) and the reflux steam passage (52) close to the air passage (2), and a heat dissipation cavity (16) communicated with the steam passage (5) is formed in the heat dissipation piece (15). A second air baffle piece (17) is fixedly arranged in the steam passage (5), the second air baffle piece (17) blocks the steam passage (5), the second air baffle piece (17) extends into the heat dissipation cavity (16), and a steam passing part (18) is left.

6. A steam air heating device according to claim 5, characterised in that: A plurality of heat dissipation recesses (19) are arranged on the surface of the heat dissipation piece (15).

7. A steam air heating device according to claim 1, wherein: A heat preservation layer (20) is arranged on the surface of the communication pipe (6).

8. A steam air heating device according to claim 5, wherein: The distance between adjacent extension pieces (11) is greater than the width of the heat dissipation piece (15), and the heat dissipation piece (15) extends between two adjacent heated pieces (9).

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