A heat collecting device

Abstract

The application discloses a heat collecting device, which comprises a device shell, a heat exchange space formed in the inside of the device shell, the heat exchange space being used for intercommunication with a flue passage, a heat collector installed on the device shell, the heat collector comprising a collecting base and heat collecting rods, a heat exchange passage for heat exchange medium flow being formed in the inside of the collecting base, a heat exchange surface being further formed on the collecting base, the heat collecting rods being inserted into the heat exchange space, the number of the heat collecting rods being multiple, and the end portions of the multiple heat collecting rods being connected with the heat exchange surface.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste heat recovery, in particular to a heat collection device. BACKGROUND

[0002] The combustion heater in the prior art mainly produces heat by burning fuel. The combustion heater is a device for cold-proof heating, which has the characteristics of portability and flexibility, and is widely used in industrial and household fields. The combustion heater produces smoke during the process of burning fuel for heating. The smoke is generally discharged outdoors through a chimney. However, a large amount of heat is taken away during the process of discharging smoke, which leads to low utilization rate of the heat generated by the combustion of the combustion heater, and further leads to low utilization rate of the fuel, which is not conducive to energy saving and environmental protection. SUMMARY

[0003] The present application provides a heat collection device which can recover waste heat during the combustion process of a combustion heater.

[0004] In order to solve the above technical problems, the present application provides a heat collection device, comprising:

[0005] A device housing, an internal heat exchange space is formed in the device housing, and the heat exchange space is used to communicate with a smoke discharge channel;

[0006] A heat collector is installed on the device housing, the heat collector comprises a collection base and a heat collecting rod, an internal heat exchange channel for heat exchange medium to flow through is formed in the collection base, a heat exchange surface is further formed on the collection base, the heat collecting rod extends into the heat exchange space, the number of the heat collecting rods is multiple, and the ends of the multiple heat collecting rods are connected with the heat exchange surface.

[0007] As a preferred technical solution of the above, the number of the heat collectors is two, the two heat collectors are symmetrically arranged on the device housing, the heat collecting rods of the two heat collectors extend into the heat exchange space, and the ends of the heat collecting rods of the two heat collectors form a set gap.

[0008] As a preferred technical solution of the above, a first flow divider and a second flow divider are respectively arranged above and below the set gap in the heat exchange space.

[0009] As a preferred solution of the above technical scheme, the device housing is symmetrically provided with a first lateral opening and a second lateral opening, the heat collecting rods of the two heat collectors respectively extend into the heat exchange space from the first lateral opening and the second lateral opening, the collecting bases of the two heat collectors are respectively fixed at the positions of the first lateral opening and the second lateral opening, and the collecting bases of the two heat collectors respectively close the first lateral opening and the second lateral opening.

[0010] As a preferred solution of the above technical scheme, the upper end and the lower end of the device housing are respectively formed with a first connecting port and a second connecting port, the first connecting port faces the first flow dividing plate, the second connecting port faces the second flow dividing plate, and the heat collecting device further comprises a first chimney pipe and a second chimney pipe, the first chimney pipe is arranged at the first connecting port, and the second chimney pipe is arranged at the second connecting port, and the first chimney pipe or the second chimney pipe is used to be connected with a flue.

[0011] As a preferred solution of the above technical scheme, the heat collecting rod is an aluminum alloy rod, and the heat collecting rod is a cylindrical rod, and the heat exchange surface is a plane.

[0012] As a preferred solution of the above technical scheme, the heat collecting rod is perpendicular to the heat exchange surface.

[0013] As a preferred solution of the above technical scheme, a plurality of the heat collecting rods are equally distributed at a first interval in a transverse direction on the heat exchange surface to form a first row of heat collecting rods, a plurality of the heat collecting rods are equally distributed at a second interval in the transverse direction on the heat exchange surface to form a second row of heat collecting rods, the first row of heat collecting rods and the second row of heat collecting rods have a set interval in a vertical direction, the first interval is equal to the second interval, the first row of heat collecting rods and the second row of heat collecting rods are distributed in a staggered manner, the staggered distance of the first row of heat collecting rods and the second row of heat collecting rods is half of the first interval, the first row of heat collecting rods and the second row of heat collecting rods are alternately distributed at the set interval in the vertical direction to form a heat collecting rod array, and the set interval is half of the first interval.

[0014] As a preferred solution of the above technical scheme, the heat exchange channel comprises a vertical channel and a transverse channel, the number of the vertical channels and the transverse channels is multiple, the vertical channels extend in a vertical direction, the transverse channels extend in a transverse direction, and any vertical channel and the transverse channel cross and communicate.

[0015] As the preferred technical scheme of the above-mentioned technical scheme, one end of the vertical channel is formed with a first opening, an end of the horizontal channel is formed with a second opening, the first opening is located on the top surface of the collection base, the second opening is located on the side surface of the collection base, and the heat collector further comprises a plug which cooperates with the first opening and the second opening.

[0016] The heat collection device provided by the application comprises a device shell and a heat collector, a heat exchange space is formed in the device shell, the heat collector comprises a plurality of heat collection rods which extend into the heat exchange space of the device shell, when heat is collected, the device shell is connected with a combustion heater so as to realize the communication between the heat exchange space and the flue channel of the combustion heater, the tail smoke generated by combustion enters the heat exchange space, when the tail smoke contacts the surface of the heat collection rod, heat is transferred to the heat collection rod, then the heat is transferred to the heat exchange surface of the collection base through the heat collection rod, then the heat exchange medium in the heat exchange channel in the collection base can be heat-exchanged, then the collected waste heat is utilized through the heat exchange medium, therefore, the waste heat in the combustion process of the combustion heater can be recycled, the utilization rate of fuel can be further improved, and the application has the characteristics of energy saving and environmental protection.

[0017] The above description is only a summary of the technical scheme of the application, in order to more clearly understand the technical means of the application, the specific embodiments of the application can be implemented according to the content of the description, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following specifically describes the specific embodiments of the application. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A perspective structural schematic view of the heat collection device of the embodiment is shown;

[0019] Figure 2 A perspective exploded schematic view of the heat collection device of the embodiment is shown;

[0020] Figure 3 A connection structure schematic view of the device shell in the embodiment is shown;

[0021] Figure 4 An installation structure schematic view of the heat collector in the embodiment is shown;

[0022] Figure 5 A position schematic view of the two heat collectors in the embodiment is shown;

[0023] Figure 6 A perspective structural schematic view of the heat collector in the embodiment is shown;

[0024] Figure 7A schematic diagram of the mounting structure of the heat collecting rod in the embodiment is shown.

[0025] Figure 8 A schematic diagram of the mounting structure of the heat collecting rod in the embodiment is shown.

[0026] Figure 9 A schematic diagram of the planar structure of the heat collector in the embodiment is shown.

[0027] In the figure: 10, collecting base; 20, heat collecting rod; 30, plug; 101, heat exchange surface; 102, transverse channel; 103, vertical channel; 104, first row of heat collecting rods; 105, second row of heat collecting rods; 40, 50, 60, 70, 80, 100, 200, 401, 402, 403, 404, 405. DETAILED DESCRIPTION

[0028] In order to make the objectives, characteristics and advantages of the present application more obvious and easy to understand, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] Referring to Figures 1 to 9 The embodiment of the present application provides a heat collecting device, which comprises:

[0030] The device shell 40 is internally formed with a heat exchange space 401, which is used to communicate with the flue gas passage;

[0031] The heat collector 100 is installed on the device shell 40, and the heat collector 100 comprises a collecting base 10 and a heat collecting rod 20. The collecting base 10 is internally formed with a heat exchange channel for the flow of heat exchange medium, and the collecting base 10 is further formed with a heat exchange surface 101. The heat collecting rod 20 extends into the heat exchange space 401, and the number of the heat collecting rod 20 is multiple. The end of the multiple heat collecting rods 20 is connected with the heat exchange surface 101.

[0032] The heat collecting device provided by the embodiment comprises a device shell 40 and a heat collector 100, a heat exchange space 401 is formed in the inside of the device shell 40, the heat collector 100 comprises a plurality of heat collecting rods 20, the plurality of heat collecting rods 20 extend into the heat exchange space 401 of the device shell 40, when heat is collected, the device shell 40 is connected with a combustion heater so as to make the heat exchange space 401 communicate with the flue passage of the combustion heater, the tail smoke generated by combustion enters the heat exchange space 401, when the tail smoke contacts the surface of the heat collecting rod 20, heat is transferred to the heat collecting rod 20, then the heat is transferred to the heat exchange surface 101 of the collecting base 10 through the heat collecting rod 20, then heat exchange is performed with the heat exchange medium in the heat exchange passage in the inside of the collecting base 10, then the collected waste heat is utilized through the heat exchange medium, therefore, the waste heat in the combustion process of the combustion heater can be recycled, the utilization rate of fuel can be further improved, and the device has the characteristics of energy saving and environmental protection.

[0033] In addition, the temperature of the tail smoke discharged from the flue passage of the combustion heater is lower after heat collection of the heat collecting rod 20.

[0034] In a further implementable manner of the embodiment, the number of the heat collectors 100 is two, the two heat collectors 100 are symmetrically arranged on the device shell 40, the heat collecting rods 20 of the two heat collectors 100 extend into the heat exchange space 401, and the end portions of the heat collecting rods 20 of the two heat collectors 100 form a set gap 200.

[0035] The two heat collectors 100 are symmetrically arranged in the embodiment, so that the heat collecting rods 20 of the two heat collectors 100 are symmetrically arranged, heat in the heat exchange space 401 is transferred to both sides through the heat collecting rods 20 of the two heat collectors 100, which can improve the heat transfer rate, in addition, the end portions of the heat collecting rods 20 form the set gap 200, which can absorb heat from the end portions and then transfer the heat to both sides, improving the heat absorption efficiency.

[0036] In a further implementable manner of the embodiment, the first flow dividing plate 70 and the second flow dividing plate 80 are arranged above and below the set gap 200 in the heat exchange space 401 respectively.

[0037] The first flow dividing plate 70 and the second flow dividing plate 80 respectively block above and below the set gap 200 in the embodiment, which can make the tail smoke generated by combustion of the combustion heater form turbulence from both sides of the first flow dividing plate 70 and the second flow dividing plate 80 to enter the space where the heat collecting rods 20 of the two heat collectors 100 are located, which can effectively prevent the tail smoke from directly passing through the set gap 200.

[0038] In a further implementation form of the embodiment, the device housing 40 is symmetrically provided with a first lateral opening 402 and a second lateral opening 403, the heat collecting rods 20 of the two heat collectors 100 respectively extend into the heat exchange space 401 from the first lateral opening 402 and the second lateral opening 403, the collecting bases 10 of the two heat collectors 100 are respectively fixed at the positions of the first lateral opening 402 and the second lateral opening 403 and the collecting bases 10 of the two heat collectors 100 respectively close the first lateral opening 402 and the second lateral opening 403.

[0039] In the embodiment, the first lateral opening 402 and the second lateral opening 403 are closed by the collecting bases 10, which not only can improve the sealing of the heat exchange space 401, but also can make the overall structure more simple and compact, and further improve the heat exchange efficiency. Specifically, the heat exchange surfaces 101 of the collecting bases 10 protrude from the first lateral opening 402 and the second lateral opening 403 to the heat exchange space 401, which can prevent heat loss of the heat exchange surfaces 101 and improve the heat collection efficiency.

[0040] In a further implementation form of the embodiment, the upper end and the lower end of the device housing 40 are respectively formed with a first connecting port 404 and a second connecting port 405, the first connecting port 404 is opposite to the first flow dividing plate 70, the second connecting port 405 is opposite to the second flow dividing plate 80, and the heat collecting device further comprises a first chimney pipe 50 and a second chimney pipe 60, the first chimney pipe 50 is arranged at the first connecting port 404, the second chimney pipe 60 is arranged at the second connecting port 405, and the first chimney pipe 50 or the second chimney pipe 60 is used to be connected with the flue pipe.

[0041] In the embodiment, the first chimney pipe 50 or the second chimney pipe 60 is connected with the flue pipe or the chimney of the combustion heater.

[0042] In a further implementation form of the embodiment, the heat collecting rod 20 is an aluminum alloy rod.

[0043] In the embodiment, the aluminum alloy rod is used as the heat collecting rod 20, which can improve the efficiency of heat collection and heat transfer.

[0044] In a further implementation form of the embodiment, the heat collecting rod 20 is a cylindrical rod.

[0045] In the embodiment, the heat collecting rod 20 is a cylindrical rod, which can increase the heat collecting surface.

[0046] In a further implementation form of the embodiment, the heat exchange surface 101 is a plane.

[0047] The heat exchange surface 101 in the embodiment is a plane, which can facilitate the installation of the heat collecting rod 20.

[0048] In a further implementable manner of the embodiment, the heat collecting rod 20 is perpendicular to the heat exchange surface 101.

[0049] In the embodiment, the heat collecting rod 20 is perpendicular to the heat exchange surface 101, which can be more conducive to heat transfer.

[0050] In a further implementable manner of the embodiment, a plurality of heat collecting rods 20 are distributed equidistantly along the transverse direction of the heat exchange surface 101 at a first interval to form a first row of heat collecting rods 104, a plurality of heat collecting rods 20 are distributed equidistantly along the transverse direction of the heat exchange surface 101 at a second interval to form a second row of heat collecting rods 105, the first row of heat collecting rods 104 and the second row of heat collecting rods 105 have a set interval in the vertical direction, the first interval is equal to the second interval, the first row of heat collecting rods 104 and the second row of heat collecting rods 105 are distributed in a staggered manner, and the distance by which the first row of heat collecting rods 104 and the second row of heat collecting rods 105 are staggered is half of the first interval.

[0051] In a further implementable manner of the embodiment, the first row of heat collecting rods 104 and the second row of heat collecting rods 105 are alternately distributed at a set interval in the vertical direction to form a heat collecting rod array, and the set interval is half of the first interval.

[0052] The arrangement of the heat collecting rods 20 in the embodiment can make the tail smoke better dispersed into the space of the entire heat collecting rod array when passing through the heat collecting rod array, can make the tail smoke more fully contact the surface of the heat collecting rod 20, can uniform the temperature field to improve the efficiency of heat recovery and can also improve the amount of heat recovery.

[0053] In addition, in the embodiment, any heat collecting rod 20 in the first row of heat collecting rods 104 serves as a vertex, and two heat collecting rods 20 in the second row of heat collecting rods 105 corresponding to the position of the any heat collecting rod 20 in the first row of heat collecting rods 104 form an isosceles triangle, preferably an isosceles right triangle, and the any heat collecting rod 20 in the first row of heat collecting rods 104 is the right-angled vertex of the isosceles right triangle.

[0054] Any heat collecting rod 20 in the first row of heat collecting rods 104 at a set position and two heat collecting rods 20 in the second row of heat collecting rods 105 adjacent to the set position form an isosceles right triangle, which can improve the diffusion efficiency of the tail smoke and improve the efficiency of heat recovery.

[0055] In a further implementation form of the embodiment, the heat exchange channels include a plurality of vertical channels 103 and a plurality of horizontal channels 102, the vertical channels 103 extend in a vertical direction, and the horizontal channels 102 extend in a horizontal direction, and any vertical channel 103 and horizontal channel 102 cross each other.

[0056] The vertical channels 103 and the horizontal channels 102 cross each other in the embodiment, which can facilitate the flow of the heat exchange medium and can facilitate heat exchange.

[0057] In a further implementation form of the embodiment, one end of the vertical channels 103 is formed with a first opening, and an end of the horizontal channels 102 is formed with a second opening, the first opening is located on a top surface of the collection base 10, and the second opening is located on a side surface of the collection base 10.

[0058] The first opening and the second opening in the embodiment can be in communication with a pipe, which facilitates heat recycling.

[0059] In a further implementation form of the embodiment, the heat collector further includes a plug 30, which cooperates with the first opening and the second opening.

[0060] In the embodiment, the first opening and the second opening can be plugged, and only any two of the plurality of horizontal channels 102 and vertical channels 103 are kept in a communication state, and any two of the plurality of horizontal channels 102 and vertical channels 103 can be selected to be in communication with the pipe according to needs.

[0061] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" means that a specific feature, structure, material or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. In addition, different embodiments or examples described in the specification and the features of different embodiments or examples can be combined and combined by those skilled in the art without contradiction.

[0062] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include at least one feature. In the description of the application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0063] The above merely illustrates the specific embodiments of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A heat collecting device, characterized by, The heat collecting device comprises: a device housing, an interior of the device housing forms a heat exchange space for communicating with a flue passage; a heat collector mounted on the device housing, the heat collector comprises a collecting base and heat collecting rods, an interior of the collecting base forms a heat exchange passage for a heat exchange medium to flow through, a heat exchange surface is further formed on the collecting base, the heat collecting rods extend into the heat exchange space, the heat collecting rods are multiple in number, and ends of the heat collecting rods are connected with the heat exchange surface; the heat collector is two in number, the two heat collectors are symmetrically arranged on the device housing, the heat collecting rods of the two heat collectors extend into the heat exchange space, and the ends of the heat collecting rods of the two heat collectors form a set gap.

2. The heat collecting device according to claim 1, characterized in that a first flow dividing plate and a second flow dividing plate are respectively arranged above and below the set gap in the heat exchange space.

3. The heat collecting device according to claim 1, characterized by first and second lateral openings are symmetrically arranged on two sides of the device housing, the heat collecting rods of the two heat collectors respectively extend into the heat exchange space from the first and second lateral openings, the collecting bases of the two heat collectors are respectively fixed at positions of the first and second lateral openings, and the collecting bases of the two heat collectors respectively close the first and second lateral openings.

4. The heat collecting device according to claim 2, characterized by first and second connecting openings are respectively formed at upper and lower ends of the device housing, the first connecting opening faces the first flow dividing plate, the second connecting opening faces the second flow dividing plate, and the heat collecting device further comprises first and second chimney pipes, the first chimney pipe is arranged at the first connecting opening, and the second chimney pipe is arranged at the second connecting opening, the first or second chimney pipe is used for being connected with a flue pipe.

5. The heat collecting device according to claim 1, characterized by The heat collecting rod is an aluminum alloy rod, the heat collecting rod is a cylindrical rod, and the heat exchange surface is a plane.

6. The heat collecting device according to claim 5, characterized in that The heat collecting rod is perpendicular to the heat exchange surface.

7. The heat collecting device according to claim 1, characterized by The heat collecting rods are equally distributed at a first interval in a transverse direction on the heat exchange surface to form a first row of heat collecting rods, the heat collecting rods are equally distributed at a second interval in the transverse direction on the heat exchange surface to form a second row of heat collecting rods, the first and second rows of heat collecting rods have a set interval in a vertical direction, the first interval is equal to the second interval, the first and second rows of heat collecting rods are distributed in a staggered manner, a staggered distance of the first and second rows of heat collecting rods is half of the first interval, and the first and second rows of heat collecting rods are alternately distributed at the set interval in the vertical direction to form a heat collecting rod array, and the set interval is half of the first interval.

8. The heat collecting device according to claim 1, characterized by The heat exchange passage comprises vertical passages and transverse passages, the vertical passages and the transverse passages are multiple in number, the vertical passages extend in the vertical direction, the transverse passages extend in the transverse direction, and any vertical passage and any transverse passage cross each other.

9. The heat collecting device according to claim 8, characterized in that One end of the vertical channel is formed with a first opening, and an end of the horizontal channel is formed with a second opening, the first opening is located on a top surface of the collection base, and the second opening is located on a side surface of the collection base, and the heat collector further comprises a plug which cooperates with the first opening and the second opening.

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