CN219607783U - Energy-saving safety wind catcher for wind tower of stove - Google Patents

Abstract

The utility model discloses an energy-saving safe wind tower wind catcher of a stove, which comprises a heat exchange pipeline, a wind catcher body and heat exchange fins, wherein the wind catcher body comprises a wind catcher frame, a shutter and an air outlet pipe, the wind catcher frame is provided with a plurality of air inlets along the circumferential direction, the shutter is rotatably arranged at the air inlets, and the shutter can be separated from the wind catcher frame under the driving of wind power; the heat exchange pipeline comprises an inner pipe and an outer pipe which are coaxially arranged, the inner pipe is fixedly arranged between the air outlet pipe and the stove chimney, an air inlet channel is formed between the inner pipe and the outer pipe, the air inlet channel is used for introducing outdoor fresh air, and the inner pipe is used for discharging flue gas in the stove chimney; the heat exchange fins are partially positioned in the air inlet channel and partially positioned in the inner tube. The energy-saving safe air tower air catcher for the stove can maintain enough ventilation quantity, ensure heating air inlet, improve indoor comfort, ensure fresh air supply during stove burning, and effectively utilize waste heat to improve indoor temperature.

Description

Energy-saving safety wind catcher for wind tower of stove

Technical Field

The utility model relates to the technical field of stove energy conservation, in particular to a safe wind tower wind catcher for stove energy conservation.

Background

The stove is a stove for heating and cooking, and is usually formed by taking piled wood as fuel, and because the wood generates thermal cracking reaction after being heated, small molecular products are generated, and carbon dioxide, water vapor, formic acid, acetic acid and various inflammable gases are mainly generated at about 200 ℃; generating a small amount of water vapor and carbon monoxide at 200-280 ℃; generating combustible vapor and particles at 280-500 ℃; above 500 ℃, carbon is the main component. The firewood is burned insufficiently to produce carbon monoxide.

When the traditional stove is matched with a chimney, only exhaust air is provided without air inlet, and when people use the stove, windows can be closed to improve the heating efficiency of the stove, so that indoor fresh air is insufficient. In a high airtight house, untimely ventilation can lead to carbon monoxide poisoning. The heating efficiency of the stove can be reduced when ventilation is ensured, a large amount of heat can be taken away by excessive ventilation, the heating efficiency of the stove is low, and a large amount of heat can be directly discharged outdoors along with discharged air.

Disclosure of Invention

The utility model discloses an energy-saving safe air tower air catcher for a stove, which aims to solve the problems that in the prior art, when the stove is used in a high-air-tightness house, carbon monoxide poisoning is easily caused by untimely ventilation and frequent heating efficiency of ventilation is reduced, and further the heating efficiency of the stove is affected when the stove is used in the high-air-tightness house.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an energy-saving safe wind tower wind catcher of a stove comprises a heat exchange pipeline for communicating a chimney of the stove, a wind catcher body arranged on the heat exchange pipeline and a plurality of heat exchange fins arranged inside the heat exchange pipeline,

the wind catcher body comprises a wind catcher frame, louvers and an air outlet pipe, wherein the wind catcher frame is provided with a plurality of air inlets along the circumferential direction of the wind catcher frame, the number of the louvers is equal to that of the air inlets, the louvers are rotatably arranged at the air inlets, and the louvers can turn over towards the inner side of the wind catcher frame under the driving of wind power;

the heat exchange pipeline is provided with an air inlet channel and an air outlet channel which are coaxially arranged, the air inlet channel is used for introducing outdoor fresh air, and the air outlet channel is used for discharging flue gas in a stove chimney;

the heat exchange fins are used for realizing heat exchange between air in the air inlet channel and air in the air outlet channel.

Further, the heat exchange pipeline comprises an inner pipe and an outer pipe which are coaxially arranged, an air inlet channel is formed between the inner pipe and the outer pipe, an air outlet channel is formed in the inner cavity of the inner pipe, and the heat exchange fins are partially positioned in the air inlet channel and partially positioned in the air outlet channel.

Further, the heat exchange fins are distributed in a ring shape, and the heat exchange fins are intersected in a straight line which coincides with the axis of the inner tube.

Further, a plurality of heat exchange fins are connected end to form an air outlet channel in a zigzag shape, an air inlet channel is formed between the heat exchange fins and the outer tube, an upper sealing plate is fixedly arranged at the upper end of the air outlet channel, an upper through hole is formed in the upper sealing plate, and the air outlet pipe penetrates through the upper through hole and is communicated with the air outlet channel; the lower end of the air outlet channel is fixedly provided with a lower sealing plate, a lower through hole is formed in the lower sealing plate, and the stove chimney penetrates through the lower through hole and is communicated with the air outlet channel.

Further, a dispersing disc is fixedly arranged at the joint of the heat exchange pipeline and the stove chimney, and the dispersing disc extends along the radial direction of the inner tube.

Further, the shutter is made of heat-resistant materials.

Further, the cross beam is arranged on the wind catcher frame, and can limit the shutter to only turn over towards the inside of the wind catcher frame.

Further, the wind catcher frame is arranged in a regular polygon; the number of the air openings is equal to that of the sides of the regular polygon.

Further, one side of the shutter far away from the air inlet channel is hinged with the air catcher frame through a hinge.

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

the heat exchange pipeline is added on the basis of a traditional stove chimney, the multi-directional air catcher is added at the top of the heat exchange pipeline, outdoor cold air flows in from an air inlet and then enters an outside air inlet channel, hot air generated by a stove flows upwards from an air outlet and enters an inside air outlet channel under the buoyancy effect, cold and hot air with high temperature difference exchanges heat at the heat exchange fins, the cold air and the hot air flow in opposite directions in adjacent air channels, heating air inlet can be ensured while sufficient ventilation quantity is maintained, indoor comfort is improved, and waste heat is effectively utilized to improve indoor temperature while fresh air supply during stove burning is ensured.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it will be obvious that the drawings in the following description are some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of a fire energy-saving safety wind tower wind catcher disclosed by the utility model mounted on a fire;

fig. 2 is an enlarged view of a portion a in fig. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic view of a windward side and a leeward side of a blade;

FIG. 5 is a schematic diagram of the connection relationship among heat exchange pipes, heat exchange fins and air inlet channels in the energy-saving safety wind tower wind catcher of the stove disclosed in example 1;

FIG. 6 is a partial cross-sectional view of heat exchange tubes in a furnace energy saving safety wind tower wind trap as disclosed in example 2;

fig. 7 is a schematic diagram of the connection relationship among the heat exchange pipeline, the heat exchange fins and the air inlet channel in the energy-saving safe air tower air catcher of the stove disclosed in embodiment 2.

In the figure: 1. a stove; 11. a chimney; 2. a heat exchange pipeline; 21. an inner tube; 22. an outer tube; 3. an air catcher body; 31. an air catcher frame; 311. an air port; 32. a louver; 33. an air outlet pipe; 4. heat exchange fins; 5. an air inlet channel; 6. a dispersion plate; 7. a cross beam; 8. an air outlet channel; 81. an air outlet duct; 9. and a lower sealing plate.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to fig. 1 to 7 of the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

With reference to fig. 1 and 2, the energy-saving safe wind tower wind catcher for the stove is applied to the stove 1 with a chimney 11, and comprises a heat exchange pipeline 2 for communicating the chimney 11 of the stove 1, a wind catcher body 3 arranged on the heat exchange pipeline 2 and a plurality of heat exchange fins 4 arranged inside the heat exchange pipeline 2, wherein the wind catcher body 3 and the heat exchange pipeline 2 are made of metal or high-temperature-resistant nonflammable materials.

With reference to fig. 3 and 4, the chimney 11 of the furnace 1 is vertically arranged, the heat exchange pipeline 2 is vertically arranged above the chimney 11 of the furnace 1, and the heat exchange pipeline 2 comprises an inner pipe 21 and an outer pipe 22 which are coaxially arranged. The lower end of the inner tube 21 extends outside the middle outer tube 22 and is communicated with the chimney 11 of the furnace 1, and the inner tube 21 can discharge flue gas in the chimney 11 of the furnace 1. An air intake passage 5 is formed between the inner tube 21 and the outer tube 22, and the air intake passage 5 is used for introducing outdoor fresh air.

Referring to fig. 1, a dispersion plate 6 is fixedly arranged at the joint of an inner pipe 21 and a chimney 11 of the furnace 1, the dispersion plate 6 extends along the radial direction of the inner pipe 21, the diameter of the dispersion plate 6 is larger than that of an outer pipe 22, the dispersion plate 6 and the lower end of the outer pipe 22 are arranged at intervals, the arrangement of the dispersion plate 6 can prevent introduced air from directly acting on the furnace 1, and the heating efficiency of the furnace 1 is ensured.

Referring to fig. 1 and 2, the wind catcher body 3 includes a wind catcher frame 31, a louver 32 and a wind outlet pipe 33, wherein the wind catcher frame 31 is configured as a regular polygon, the side surface of the wind catcher frame 31 is provided with rectangular wind openings 311 by taking a regular octagon as an example, the wind openings 311 are communicated with the inside and the outside of the wind catcher frame 31, and the number of the wind openings 311 is equal to the number of sides of the regular polygon. The wind catcher frame 31 is fixedly provided with a cross beam 7 at the wind gap 311, the cross beam 7 is horizontally arranged, and the wind gap 311 is equally divided into an upper part and a lower part by the cross beam 7.

The number of the louvers 32 is equal to the number of the air ports 311, the louvers 32 are arranged in the air catcher frame 31, the louvers 32 are made of heat-resistant materials, the upper ends of the louvers 32 are hinged to the air catcher frame 31 through hinges, the lower ends of the louvers are abutted to the air catcher frame 31, and the lower ends of the louvers 32 can be opened to the inside of the air catcher frame 31 under the limitation of the cross beam 7. The louver 32 of the windward side of the wind catcher frame 31 is forced to turn inwards and open around the rotation center thereof, so that the inside and the outside of the wind catcher frame 31 are communicated, and air enters the air inlet channel 5 through the air inlet 311; at the same time, the lee side and the side facing away from the windward side of the wind catcher frame 31 are subjected to negative pressure, the louver 32 is closely attached to the inner wall of the wind catcher frame 31, the louver 32 is closed, and air cannot flow out. The windward side is influenced by the wind direction, and the opened louver 32 is changed along with the windward side, but the opening at the windward side can be always ensured, and the air only flows in from the direction of the louver 32 on the windward side of the wind catcher frame 31 and does not flow out. Fig. 4 is a schematic diagram of the windward side and the leeward side of the blade in this embodiment, in which +is indicated by the windward side, and-the leeward side is indicated by the +is indicated by the leeward side.

The air outlet pipe 33 is fixedly arranged at the center of the air catcher frame 31, the upper end of the air outlet pipe 33 extends to the outside of the air catcher frame 31, the lower end of the air outlet pipe is communicated with the inner pipe 21, the opening at the upper end of the air outlet pipe 33 is stably subjected to negative pressure, and air is sucked out from the chimney 11 and the inner pipe 21 of the stove 1.

Referring to fig. 5, the heat exchange fins 4 are rectangular metal plates, one side of each heat exchange fin 4 is fixedly connected with the inner wall of the outer tube 22, the other side of each heat exchange fin 4 penetrates through the side wall of the inner tube 21 and extends into the inner tube 21, a plurality of heat exchange fins 4 are arranged in a ring shape, planes of the plurality of heat exchange fins 4 intersect in a straight line, and the straight line is overlapped with the axis of the inner tube 21. The adjacent heat exchange fins 4 and the inner wall of the outer tube 22 enclose an isosceles triangle-shaped ventilation channel, and the vertexes of the isosceles triangle are coincident with the circle center of the inner tube 21, so that the arrangement of the heat exchange fins 4 does not obstruct the flow of air in the air inlet channel 5 and the inner tube 21.

The implementation principle of the utility model is as follows: when the stove 1 is used, outdoor cold air enters the air inlet channel 5 on the outer side and flows into a room through the windward side of the wind catcher frame 31, and the louver 32 facing the windward side of the wind catcher is opened. The flue gas generated by the stove 1 upwards flows into the inner tube 21 through the chimney 11 of the stove 1 under the buoyancy effect, the air in the inner tube 21 and the air in the air inlet channel 5 have high temperature difference, the cold air and the hot air flow in opposite directions in the adjacent air channels, and the cold air and the hot air with the high temperature difference exchange heat at the heat exchange fins 4, so that the heating air inlet can be ensured while the sufficient ventilation quantity is maintained, and the indoor temperature can be improved by effectively utilizing the waste heat while the fresh air supply during the stove burning is ensured.

Example 2

The difference from embodiment 1 is that, in combination with fig. 6 and fig. 7, two heat exchange fins 4 are taken as a group, a plurality of groups of heat exchange fins 4 are arranged, the heat exchange fins 4 are connected end to form a ring shape, two heat exchange fins 4 of each group form a V-shaped air outlet channel 81, the plurality of V-shaped air outlet channels 81 are mutually communicated to form a zigzag air outlet channel 8, and the air outlet channel 8 is used for discharging flue gas in a chimney 11 of the stove 1. An air inlet channel 5 is formed between the heat exchange fins 4 and the outer tube 22, and the air inlet channel 5 is used for introducing outdoor fresh air.

An upper sealing plate is fixedly arranged at the upper end of the air outlet channel 8, an upper through hole is formed in the center of the upper sealing plate, and the lower end of the air outlet pipe 33 is inserted into the upper through hole; the lower end of the air outlet channel 8 is fixedly provided with a lower sealing plate 9, the center of the lower sealing plate 9 is provided with a lower through hole, one end of the inner tube 21, which is far away from the chimney 11 of the furnace 1, is inserted into the lower through hole, the inner tube 21 is positioned outside the outer tube 22 at the moment, and cold air and hot air flow in opposite directions in adjacent air channels without interference under the action of the upper sealing plate and the lower sealing plate 9.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims (9)

1. The utility model relates to an energy-saving safe wind tower wind catcher of a stove, which is characterized by comprising a heat exchange pipeline (2) for communicating a chimney (11), a wind catcher body (3) arranged on the heat exchange pipeline (2) and a plurality of heat exchange fins (4) arranged in the heat exchange pipeline (2),

the wind catcher body (3) comprises a wind catcher frame (31), louvers (32) and a wind outlet pipe (33), wherein a plurality of air inlets (311) are formed in the wind catcher frame (31) along the circumferential direction of the wind catcher frame, the number of the louvers (32) is equal to that of the air inlets (311), the louvers (32) are rotatably arranged at the air inlets (311), and the louvers (32) can be turned towards the inner side of the wind catcher frame (31) under the driving of wind power;

the heat exchange pipeline (2) is provided with an air inlet channel (5) and an air outlet channel (8) which are coaxially arranged, the air inlet channel (5) is used for introducing outdoor fresh air, and the air outlet channel (8) is used for discharging flue gas in a chimney (11) of the stove (1);

the heat exchange fins (4) are used for realizing heat exchange between air in the air inlet channel (5) and air in the air outlet channel (8).

2. The furnace energy-saving safe wind tower wind catcher according to claim 1, wherein the heat exchange pipeline (2) comprises an inner pipe (21) and an outer pipe (22) which are coaxially arranged, an air inlet channel (5) is formed between the inner pipe (21) and the outer pipe (22), an air outlet channel (8) is formed in an inner cavity of the inner pipe (21), and the heat exchange fins (4) are partially positioned in the air inlet channel (5) and partially positioned in the air outlet channel (8).

3. A fire energy saving safety wind tower wind catcher according to claim 2, characterized in that a plurality of heat exchanging fins (4) are arranged in a ring shape, the heat exchanging fins (4) are intersected in a straight line, and the straight line is coincident with the axis of the inner tube (21).

4. The stove energy-saving safe wind tower wind catcher according to claim 1, characterized in that a plurality of heat exchange fins (4) are connected end to form a zigzag wind outlet channel (8), a wind inlet channel (5) is formed between the heat exchange fins (4) and an outer tube (22), an upper sealing plate is fixedly arranged at the upper end of the wind outlet channel (8), an upper through hole is formed in the upper sealing plate, and a wind outlet pipe (33) penetrates through the upper through hole and is communicated with the wind outlet channel (8); the lower end of the air outlet channel (8) is fixedly provided with a lower sealing plate (9), a lower through hole is formed in the lower sealing plate (9), and a chimney (11) of the stove (1) is communicated with the air outlet channel (8) after penetrating through the lower through hole.

5. The fire energy-saving safe wind tower wind catcher according to claim 1, characterized in that a dispersing disc (6) is fixedly arranged at the joint of the heat exchange pipeline (2) and a chimney (11) of the fire (1), and the dispersing disc (6) extends along the radial direction of the inner tube (21).

6. The fire energy saving safety wind tower wind catcher according to claim 1, wherein the louver (32) is made of heat resistant material.

7. The fire energy-saving safe wind tower wind catcher according to claim 1, characterized in that a beam (7) is arranged on the wind catcher frame (31), and the beam (7) can limit the shutter (32) to only turn over towards the inside of the wind catcher frame (31).

8. The fire energy saving safety wind tower wind catcher according to claim 1, characterized in that the wind catcher frame (31) is arranged as a regular polygon; the number of the air openings (311) is equal to the number of the sides of the regular polygon.

9. The fire energy-saving safety wind tower wind catcher according to claim 1, characterized in that the side of the louver (32) away from the air inlet channel (5) is hinged with the wind catcher frame (31) by a hinge.