Fin economizer
By designing the vent pipe, heat conduction box and cleaning mechanism of the fin economizer, the problem of dust impurities in the flue gas affecting the heat absorption effect and inconvenience of cleaning is solved, and efficient heat recovery and cleaning automation are achieved.
Patent Information
- Application Number
- CN202422417073.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-08
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-10-08
AI Technical Summary
Dust and impurities in the flue gas cause waste to adhere to the surface of the heat-absorbing structure, affecting the heat-absorbing effect, and the large number of fins leads to inconvenience in cleaning.
A fin economizer is designed, including a ventilator, a heat conduction box, a partition mechanism, a heat absorption mechanism and a cleaning mechanism. Through the curved flow of the thermal fluid and the automatic cleaning function of the cleaning rod, heat recovery and impurity removal are realized.
It improves the energy recovery rate of the economizer, maintains good thermal conductivity on the heat absorption surface, and simplifies the cleaning process.
Smart Images

Figure CN223271293U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of economizers, in particular to a fin economizer. Background Art
[0002] An economizer is a device that recovers waste heat from flue gas. It is usually installed in the flue at the rear of the boiler to collect heat from high-temperature flue gas. It not only effectively reduces the exhaust temperature of the flue gas, but also absorbs the heat in the flue gas and reuses the absorbed heat, thereby saving energy.
[0003] Currently, in order to increase the heat absorption area of the economizer, some economizers are set to a fin-like structure. However, the flue gas will contain a lot of dust and impurities, which will cause a lot of waste to adhere to the surface of the heat absorption structure, thereby affecting its heat absorption effect. At the same time, due to the large number of fins, it is also inconvenient to clean them. For this reason, a fin economizer is proposed. Utility Model Content
[0004] The purpose of the present utility model is to solve the problem that there is a lot of dust and impurities in the flue gas, which causes a lot of waste to adhere to the surface of the heat absorption structure, thereby affecting its heat absorption effect. At the same time, due to the large number of fins, it is inconvenient to clean them. The present utility model provides a fin economizer.
[0005] In order to achieve the above-mentioned purpose, the present invention specifically adopts the following technical solutions:
[0006] A fin economizer includes a ventilation pipe, wherein heat conduction boxes are symmetrically installed in the ventilation pipe, and heat conduction boxes are provided with heat conduction liquid, two heat conduction boxes are provided with a partition mechanism, a connecting heat absorption mechanism is provided between the two heat conduction boxes, and a cleaning mechanism is provided on the connecting heat absorption mechanism, two accommodating holes are provided on the side wall of the ventilation pipe, and the two accommodating holes are respectively provided at the upper and lower ends of the ventilation pipe, a liquid supply pipe is inserted and installed in one of the accommodating holes, and one end of the liquid supply pipe is connected to one of the heat conduction boxes, and a liquid exchange pipe is inserted and installed in the other accommodating hole, and the liquid exchange pipe is connected to the heat conduction box at the other end.
[0007] Preferably, the partition mechanism includes a plurality of partition holes, which are evenly spaced on the side walls of the heat conduction box, and partition plates are installed in the partition holes. The plurality of partition holes on the two side walls of the heat conduction box are staggered.
[0008] Preferably, the interconnected heat absorption mechanism includes a plurality of connecting boxes, the two ends of which are respectively fixed on the side walls of the two heat conduction boxes, and the two heat conduction boxes are connected through the connecting box, and a plurality of exhaust holes are provided on the side walls of the connecting box, and an air guide pipe is provided in the exhaust hole.
[0009] Preferably, the plurality of exhaust holes are distributed at equal intervals and are arranged in a linear array, and the air guide pipe is made of a heat-conducting metal material.
[0010] Preferably, the cleaning mechanism includes a guide telescopic rod, one end of which is fixedly mounted on the connection box, and the other end of which is fixedly mounted with a floating plate, a plurality of cleaning rods are fixedly mounted on the side wall of the floating plate, and the plurality of cleaning rods are matched with a plurality of air guide tubes.
[0011] Preferably, both ends of the vent pipe are provided with a connecting shell, the connecting shell is fixedly sleeved on the vent pipe, and the outer side of the connecting shell is arranged in an annular structure, and a plurality of positioning holes are opened on the outer side wall of the connecting shell.
[0012] The beneficial effects of the utility model are as follows:
[0013] 1. In the present invention, the ventilation pipe is fixed in the flue gas channel by using a connecting shell, and then the generated flue gas passes through the exhaust hole of the connecting box, so that the heat in the flue gas is absorbed by the connecting box and the air duct, and the heat absorption area is expanded through the air ducts on the multiple connecting boxes. Then, liquid water is sent into one of the heat conduction boxes through the liquid supply pipe, and then the flowing liquid water passes through the multiple connecting boxes and the partition plates on the two heat conduction boxes to limit the flow direction, so that the hydraulic water forms a curved flow and is discharged from the liquid exchange pipe of the heat conduction box on the other side, thereby realizing heat recovery and utilization. When the air flow flows, the generated air flow will lift the floating plate and the cleaning rod, thereby allowing the flue gas to flow. When the flue gas stops being discharged, the floating plate and the cleaning rod will be guided by the guide telescopic rod under the action of gravity to scrape off the adhesion and impurities in the air duct, which can facilitate the cleaning of the device, thereby maintaining a good heat absorption effect on the heat absorption surface in the economizer and improving the energy recovery rate of the economizer. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a front view schematic diagram of the overall three-dimensional connection structure of the utility model;
[0015] Figure 2 It is a partial cross-sectional three-dimensional structural diagram of the vent pipe in the utility model;
[0016] Figure 3 It is a schematic diagram of the three-dimensional connection structure of the Unicom heat absorption mechanism in the utility model.
[0017] Figure numerals: 1. vent pipe; 2. connecting shell; 3. positioning hole; 4. accommodating hole; 5. liquid supply pipe; 6. liquid exchange pipe; 7. exhaust hole; 8. connecting box; 9. floating plate; 10. heat conduction box; 11. separation hole; 12. partition plate; 13. air guide pipe; 14. guide telescopic rod; 15. cleaning rod. DETAILED DESCRIPTION
[0018] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.
[0019] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.
[0020] It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings. In addition, the terms "first," "second," etc. are used only to distinguish the descriptions and are not to be understood as indicating or implying relative importance.
[0021] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the product of the present invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as a limitation on the present invention.
[0022] like Figure 1-3 As shown, a fin economizer includes a vent pipe 1, and connecting shells 2 are provided at both ends of the vent pipe 1. The connecting shells 2 are fixedly sleeved on the vent pipe 1, and the outer side of the connecting shell 2 is arranged in an annular structure. A plurality of positioning holes 3 are opened on the outer side wall of the connecting shell 2. The vent pipe 1 can be conveniently installed in the pipe for discharging flue gas through the setting of the connecting shell 2.
[0023] A heat conducting box 10 is symmetrically installed in the ventilation pipe 1, and heat conducting liquid is provided in each heat conducting box 10. A partition mechanism is provided in each of the two heat conducting boxes 10. The partition mechanism includes a plurality of partition holes 11. The plurality of partition holes 11 are evenly spaced on the side wall of the heat conducting box 10, and partition plates 12 are inserted and installed in the partition holes 11. The plurality of partition holes 11 on the side walls of the two heat conducting boxes 10 are staggered. The partition plates 12 are arranged to continuously change the flow direction of the liquid water on the heat conducting box 10, thereby facilitating the liquid water to form a plurality of reciprocating curved paths in the two heat conducting boxes 10, thereby facilitating the liquid water to absorb more heat.
[0024] A connecting heat absorption mechanism is provided between the two heat conduction boxes 10, and the connecting heat absorption mechanism includes multiple connecting boxes 8. The two ends of the multiple connecting boxes 8 are respectively fixed on the side walls of the two heat conduction boxes 10, and the two heat conduction boxes 10 are connected through the connecting box 8. A plurality of exhaust holes 7 are provided on the side wall of the connecting box 8, and an air guide pipe 13 is provided in the exhaust hole 7. The multiple exhaust holes 7 are distributed at equal intervals, and the multiple exhaust holes 7 are distributed in a linear array. The air guide pipe 13 is set to a heat-conducting metal material. The multiple air guide pipes 13 are set to increase the heat absorption area of the device, thereby facilitating the improvement of the energy recovery efficiency of the device.
[0025] A cleaning mechanism is provided on multiple connection boxes 8, and the cleaning mechanism includes a guide telescopic rod 14, one end of the guide telescopic rod 14 is fixedly mounted on the connection box 8, and a floating plate 9 is fixedly mounted on the other end of the guide telescopic rod 14, and multiple cleaning rods 15 are fixedly mounted on the side wall of the floating plate 9. The multiple cleaning rods 15 are matched with the multiple air guide pipes 13. When the airflow flows, the generated airflow will lift the floating plate 9 and the cleaning rod 15, thereby allowing the flue gas to flow. When the flue gas stops being discharged, the floating plate 9 and the cleaning rod 15 will be guided by the guide telescopic rod 14 under the action of gravity to scrape off the adhesions and impurities in the air guide pipe 13, which can facilitate the cleaning of the device, thereby maintaining a good heat conduction effect on the heat absorption surface in the economizer and improving the energy recovery rate of the economizer.
[0026] Two accommodating holes 4 are provided on the side wall of the ventilation pipe 1, and the two accommodating holes 4 are respectively arranged at the upper and lower ends of the ventilation pipe 1. A liquid supply pipe 5 is installed in one of the accommodating holes 4, and one end of the liquid supply pipe 5 is connected to one of the heat conduction boxes 10. A liquid exchange pipe 6 is installed in the other accommodating hole 4, and the liquid exchange pipe 6 is connected to the heat conduction box 10 at the other end. The flowing liquid water passes through multiple connecting boxes 8 and the partition plates 12 on the two heat conduction boxes 10 to limit the direction of flow, so that the hydraulic water forms a curved flow and is discharged from the liquid exchange pipe 6 of the heat conduction box 10 on the other side, thereby realizing heat recovery and utilization.
[0027] In summary: the ventilation pipe 1 is fixed in the flue gas channel by means of the connecting shell 2, and then the generated flue gas will pass through the exhaust hole 7 of the connecting box 8, thereby utilizing the connecting box 8 and the air duct 13 to absorb the heat in the flue gas, and the air duct 13 on the multiple connecting boxes 8 is set to expand the heat absorption area, and then the liquid water is sent into one of the heat conduction boxes 10 through the liquid supply pipe 5, and then the flowing liquid water passes through the multiple connecting boxes 8 and the partition plates 12 on the two heat conduction boxes 10 to limit the flow direction, so that the hydraulic water forms a curved flow and is discharged from the liquid exchange pipe 6 of the heat conduction box 10 on the other side, thereby realizing heat recovery and utilization. When the airflow flows, the generated airflow will lift the floating plate 9 and the cleaning rod 15, thereby allowing the flue gas to flow. When the flue gas stops being discharged, the floating plate 9 and the cleaning rod 15 will be guided by the guide telescopic rod 14 under the action of gravity to scrape off the adhesions and impurities in the air duct 13.
[0028] The above description is intended to enable one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention is not limited to the embodiments shown herein, but is intended to conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A fin economizer, characterized in that: The invention comprises a ventilation pipe (1), wherein a heat conduction box (10) is symmetrically installed in the ventilation pipe (1), and heat conduction liquid is provided in each of the heat conduction boxes (10), a separation mechanism is provided in each of the two heat conduction boxes (10), a connecting heat absorption mechanism is provided between the two heat conduction boxes (10), and a cleaning mechanism is provided on the connecting heat absorption mechanism, two receiving holes (4) are provided on the side wall of the ventilation pipe (1), and the two receiving holes (4) are respectively provided at the upper and lower ends of the ventilation pipe (1), a liquid supply pipe (5) is inserted and installed in one of the receiving holes (4), and one end of the liquid supply pipe (5) is connected to one of the heat conduction boxes (10), and a liquid exchange pipe (6) is inserted and installed in the other receiving hole (4), and the liquid exchange pipe (6) is connected to the heat conduction box (10) at the other end.
2. The fin economizer according to claim 1, characterized in that: The partition mechanism comprises a plurality of partition holes (11), the plurality of partition holes (11) being distributed at equal intervals on the side wall of the heat conduction box (10), and a partition plate (12) being inserted and installed in the partition holes (11), and the plurality of partition holes (11) on the side walls of the two heat conduction boxes (10) being arranged in a staggered manner.
3. The fin economizer according to claim 1, characterized in that: The interconnected heat absorption mechanism comprises a plurality of connection boxes (8), the two ends of the plurality of connection boxes (8) are respectively fixed on the side walls of two heat conduction boxes (10), and the two heat conduction boxes (10) are connected and arranged through the connection box (8), a plurality of exhaust holes (7) are provided on the side wall of the connection box (8), and an air guide pipe (13) is provided in the exhaust hole (7).
4. The fin economizer according to claim 3, characterized in that: The plurality of exhaust holes (7) are distributed at equal intervals, and the plurality of exhaust holes (7) are distributed in a linear array, and the air guide tube (13) is made of a heat-conducting metal material.
5. The fin economizer according to claim 3, characterized in that: The cleaning mechanism comprises a guide telescopic rod (14), one end of which is fixedly mounted on a connection box (8), and the other end of which is fixedly mounted with a floating plate (9), a plurality of cleaning rods (15) being fixedly mounted on the side wall of the floating plate (9), and the plurality of cleaning rods (15) being matched with the plurality of air guide tubes (13).
6. The fin economizer according to claim 1, characterized in that: Both ends of the vent pipe (1) are provided with a connecting shell (2), the connecting shell (2) is fixedly sleeved on the vent pipe (1), and the outer side of the connecting shell (2) is provided in an annular structure, and a plurality of positioning holes (3) are provided on the outer side wall of the connecting shell (2).