Energy-saving device of gas-fired boiler

By rotating heat exchange tubes in a gas-fired boiler, combined with a sealing structure and heat-conducting plate design, the problem of uneven solution rotation area is solved, achieving a highly efficient and energy-saving heat exchange effect.

CN223882370UActive Publication Date: 2026-02-06JIANGSU AIJIA ZHIZAO TECH CO LTD
View PDF 1 Cites 0 Cited by

Patent Information

Application Number
CN202520178284.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-05
Publication Date
2026-02-06
Estimated Expiration
2035-02-05

AI Technical Summary

Technical Problem

In existing gas-fired boilers, uneven solution rotation leads to low heat exchange efficiency, especially in the lower half where the solution rotation effect is not obvious, thus affecting the heat exchange effect.

Method used

By setting a drive mechanism in the gas boiler to drive multiple sets of heat exchange tubes to rotate around the axis of pipe two in the heat conversion cylinder, the uniformity of the heat exchange area is achieved. A servo motor is used to drive the rotating shaft and the gear meshing disk, combined with sealing ring grooves and sealing rings to improve sealing performance and enhance heat exchange efficiency.

Benefits of technology

This achieves efficient and uniform heat exchange of the solution, reduces the generation of dead zones, and greatly improves the energy-saving effect of gas boilers.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223882370U_ABST
    Figure CN223882370U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of energy-saving devices, discloses an energy-saving device for a gas-fired boiler, and solves the problem that the heat exchange effect is poor due to the fact that a solution rotation area is not uniform. High-temperature flue gas passes through the first pipeline, then enters the second pipeline and then enters the multiple sets of heat exchange pipes from the second pipeline to conduct heat exchange with a solution in the heat conversion barrel, the flue gas subjected to heat exchange is finally discharged out of the pipe sets at the other ends of the heat exchange pipes, and in the heat exchange process, the second pipeline is driven by the driving mechanism to rotate; and then the multiple sets of heat exchange pipes are driven to rotate in the heat conversion barrel around the axis of the second pipeline, so that the positions of the multiple sets of heat exchange pipes are continuously changed in the heat conversion barrel, the heat exchange area is uniform, dead corners are reduced, efficient and uniform heat exchange of a solution is achieved, and the energy-saving effect of the device is greatly improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to energy -conserving device technical field, concretely is a gas -fired boiler energy -conserving device. BACKGROUND

[0002] At present, the development of modern intelligence eliminates a lot of backward production capacity, also launched more more advanced production capacity equipment, gas -fired boiler is one of them, gas -fired boiler main use includes commercial, industrial and civil, and it is a kind of auxiliary device for converting chemical energy into heat energy through the combustion of natural gas, it has been widely used in the field of heating, industrial heating.

[0003] The existing Chinese patent with publication number CN221385649U discloses a gas-fired boiler energy-saving device. When the liquid in the box is heated by the waste heat conversion device, the motor is started, and the connecting rod is rotated by the output end of the motor. The sleeve can be rotated by the rotation of the connecting rod, and the stirring rod can be rotated by the rotation of the sleeve. The solution can be rotated by the rotation of the stirring rod, which can improve the heat exchange efficiency of the liquid and the waste heat conversion device. However, since the stirring rod is located in the upper half of the liquid in the box, and the waste heat conversion device is fixed, the rotation effect of the solution in the lower half is not obvious, and the heat exchange efficiency is not significantly improved. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a gas-fired boiler energy-saving device. The device is used for work, thereby solving the problem of poor heat exchange caused by uneven solution rotation area.

[0005] In order to achieve the above object, the utility model provides the following technical scheme: a kind of gas boiler energy-saving device, including bearing seat, the upper end inner side of bearing seat is provided with pipe group, the outer side of pipe group is equipped with heat conversion cylinder, the upper end side of bearing seat is provided with driving mechanism, pipe group includes multiple heat exchange pipes, the both ends of multiple heat exchange pipes are fixedly installed with connecting pipe, the both sides of the upper end of bearing seat are fixedly installed with bearing seat, connecting pipe includes pipe one that is fixedly connected and penetrates bearing seat, one end of pipe one is fixedly installed with flange, the other end of pipe one is rotatably installed with pipe two, the outer side of one pipe two is fixedly installed with toothed disc, toothed disc is engaged with driving mechanism, first by flange pipe one and boiler flue gas duct are quickly connected, so that high-temperature flue gas passes through pipe one and subsequently enters into pipe two, then from pipe two into multiple heat exchange pipes, and the solution in heat conversion cylinder is exchanged, and the flue gas after heat exchange is finally discharged from the pipe group of the other end of heat exchange pipe, in the process of heat exchange, pipe two is rotated by driving mechanism, and then multiple heat exchange pipes are rotated with the axis of pipe two in the inside of heat conversion cylinder, so that multiple heat exchange pipes are constantly changed in position in the inside of heat conversion cylinder, so that heat exchange area is uniform, the generation of dead angle is reduced, efficient and uniform heat exchange of solution is realized, and the energy-saving effect of device is greatly improved.

[0006] Preferably, the driving mechanism includes a servo motor fixedly connected with the bearing seat, a rotating shaft fixedly installed at the output end of the servo motor, a gear fixedly installed at the end of the rotating shaft away from the servo motor and penetrating the heat conversion cylinder, the gear being engaged with the toothed disc, and the rotating shaft being rotatably connected with the heat conversion cylinder.

[0007] Preferably, a sealing ring groove is formed in the inner wall surface of the pipe one, a sealing ring is fixedly installed on the outer wall surface of the pipe two, the sealing ring is matched with the sealing ring groove, a spring is fixedly installed on the inner side of the sealing ring, the sealing performance between the pipe one and the pipe two is enhanced by matching the sealing ring with the sealing ring groove, and the fitting degree of the sealing ring and the sealing ring groove is greatly improved by the outward expanding force of the spring caused by the compression of the sealing ring, so as to further improve the sealing performance.

[0008] Preferably, the heat exchange pipe includes multiple straight pipes, a bend pipe is fixedly installed at the both ends of the straight pipe, the bend pipe is fixedly connected with the pipe two and communicates with the pipe two, multiple heat conduction plates are fixedly installed on the outer side of the straight pipe, the structure and function of multiple heat exchange pipes are completely same, and the heat exchange area of the straight pipe and the solution is greatly improved by the heat conduction plates, so as to improve the heat exchange efficiency.

[0009] Preferably, the inside of the straight pipe is fixedly installed with a plurality of flow resistance blocks, through the setting of the plurality of flow resistance blocks, the flow speed of flue gas in the straight pipe is delayed, and the residence time is prolonged, so that the flue gas and the solution are fully heat exchanged, and high efficiency and energy saving are realized.

[0010] Preferably, the inside of the bearing seat is provided with a discharging hole, the upper portion of the heat conversion cylinder is fixedly installed with a liquid inlet pipe, the lower portion of the heat conversion cylinder is fixedly installed with a liquid outlet pipe, the output end of the liquid outlet pipe penetrates the discharging hole, the solution is added into the inside of the heat conversion cylinder through the liquid inlet pipe, and is discharged from the liquid outlet pipe after heat exchange is completed, so that the structure is reasonable and the operation is clear.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] The energy-saving device of the gas boiler disclosed by the utility model firstly connects pipeline one and the boiler flue gas pipeline through the flange plate, so that the high-temperature flue gas passes through pipeline one and then enters pipeline two, and then enters a plurality of groups of heat exchange pipes from pipeline two, and is heat exchanged with the solution in the heat conversion cylinder, and the flue gas after heat exchange is finally discharged from the pipe group at the other end of the heat exchange pipe. In the process of heat exchange, the pipeline two is driven to rotate by the driving mechanism, and then the plurality of groups of heat exchange pipes are rotated in the heat conversion cylinder with the axis of the pipeline two, so that the plurality of groups of heat exchange pipes continuously change positions in the heat conversion cylinder, the heat exchange area is uniform, the generation of dead angle is reduced, efficient and uniform heat exchange of the solution is realized, and the energy-saving effect of the device is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the overall structure schematic view of the utility model;

[0014] Figure 2 It is the overall structure schematic view of the utility model;

[0015] Figure 3 It is the pipe group structure schematic view of the utility model;

[0016] Figure 4 It is the connecting pipe structure schematic view of the utility model;

[0017] Figure 5 It is the heat exchange pipe structure schematic view of the utility model;

[0018] Figure 6 It is the flow resistance block structure schematic view of the utility model;

[0019] Figure 7 It is the driving mechanism structure schematic view of the utility model;

[0020] Figure 8 It is the bearing seat structure schematic view of the utility model;

[0021] Figure 9 The heat conversion cylinder structure schematic view of the utility model.

[0022] In the figure: 1, bearing seat; 11, bearing seat; 12, blanking hole; 2, pipe group; 21, connecting pipe; 211, pipeline one; 212, flange plate; 213, pipeline two; 214, sealing ring groove; 215, sealing ring; 216, spring; 217, toothed disc; 22, heat exchange pipe; 221, elbow; 222, straight pipe; 223, heat conduction plate; 224, choke block; 3, heat conversion cylinder; 31, liquid inlet pipe; 32, liquid outlet pipe; 4, driving mechanism; 41, servo motor; 42, rotating shaft; 43, gear. DETAILED DESCRIPTION

[0023] 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.

[0024] In order to further understand the content of the utility model, the utility model will be described in detail in conjunction with the drawings.

[0025] In conjunction with Figures 1-4 , Figure 8The utility model provides a gas boiler energy -conserving device, including bearing seat 1, the inside of upper end of bearing seat 1 is provided with pipe group 2, the outside of pipe group 2 is equipped with heat conversion cylinder 3, and the side of upper end of bearing seat 1 is provided with drive mechanism 4, and pipe group 2 includes multiple sets of heat exchange pipe 22, and the both ends of multiple sets of heat exchange pipe 22 are fixedly installed with connecting pipe 21, and the both sides of upper end of bearing seat 1 are fixedly installed with bearing seat 11, and connecting pipe 21 includes pipe one 211 that passes through bearing seat 11 and is fixedly connected, and one end of pipe one 211 is fixedly installed with flange plate 212, and the other end of pipe one 211 is rotatably installed with pipe two 213, one set of pipe two 213 is fixedly installed with toothed disc 217 outside, and toothed disc 217 is engaged with drive mechanism 4, first through flange plate 212 connecting pipe one 211 with boiler flue gas pipe is connected quickly, so that high temperature flue gas passes through pipe one 211 and subsequently enters into pipe two 213, and then from pipe two 213 into multiple sets of heat exchange pipe 22, and the solution in heat conversion cylinder 3 is exchanged, and the flue gas after heat exchange is finally discharged from the pipe group 2 of the other end of heat exchange pipe 22, in the process of heat exchange, drive mechanism 4 drives pipe two 213 to rotate, and then drives multiple sets of heat exchange pipe 22 to rotate with the axis of pipe two 213 in the inside of heat conversion cylinder 3, so that multiple sets of heat exchange pipe 22 constantly changes position in the inside of heat conversion cylinder 3, so that the heat exchange area is uniform, reduces the generation of dead angle, realizes the efficient and uniform heat exchange of solution, and the energy -conserving effect of device is greatly improved.

[0026] In combination Figure 7 Drive mechanism 4 includes servo motor 41 fixedly connected with bearing seat 1, the output of servo motor 41 is fixedly installed with rotating shaft 42, and the end, away from servo motor 41 of rotating shaft 42, passes through heat conversion cylinder 3 and is fixedly installed with gear 43, gear 43 is engaged with toothed disc 217, and rotating shaft 42 is rotatably connected with heat conversion cylinder 3, rotating shaft 42 is driven to rotate by servo motor 41, and then gear 43 is rotated, gear 43 drives toothed disc 217 to rotate in the process of rotation, and the driving rotation effect of pipe two 213 is realized.

[0027] In combination Figure 4 The inner wall surface of pipe one 211 is provided with sealing ring groove 214, and the outer wall surface of pipe two 213 is fixedly installed with sealing ring 215, sealing ring 215 is matched with sealing ring groove 214, the inner side of sealing ring 215 is fixedly installed with spring 216, the sealing performance between pipe one 211 and pipe two 213 is enhanced by sealing ring 215 and sealing ring groove 214 matching, and the fitting degree of sealing ring 215 and sealing ring groove 214 is greatly improved by the compression of spring 216, so that the sealing performance is further improved.

[0028] In combination Figure 5The heat exchange pipe 22 comprises a plurality of straight pipes 222, both ends of the straight pipe 222 are fixedly installed with an elbow pipe 221, the elbow pipe 221 is fixedly connected and communicated with the pipeline two 213, the outer side of the straight pipe 222 is fixedly installed with a plurality of heat conduction plates 223, the structural composition and the function of the plurality of heat exchange pipes 22 are completely same, the heat conduction plate 223 is arranged and the heat exchange area of the straight pipe 222 and the solution is greatly improved, and the heat exchange efficiency is improved.

[0029] In combination Figure 6 The inside of the straight pipe 222 is fixedly installed with a plurality of flow resistance blocks 224, the flow resistance blocks 224 are arranged, the flow speed of the flue gas in the straight pipe 222 is delayed, and then the retention time is prolonged, so that the flue gas and the solution are fully heat exchanged, and high efficiency and energy saving are realized.

[0030] In combination Figures 8-9 The inside of the bearing seat 1 is provided with a discharging hole 12, the upper side of the heat conversion cylinder 3 is fixedly installed with a liquid inlet pipe 31, the lower side of the heat conversion cylinder 3 is fixedly installed with a liquid outlet pipe 32, the output end of the liquid outlet pipe 32 penetrates the discharging hole 12, the solution is added into the inside of the heat conversion cylinder 3 through the liquid inlet pipe 31, and is discharged from the liquid outlet pipe 32 after heat exchange is completed, and the structure is reasonable and the operation is clear.

[0031] The specific working process and principle of the utility model are as follows: firstly, the solution is added into the inside of the heat conversion cylinder 3 through the liquid inlet pipe 31, then the pipeline one 211 is quickly connected with the boiler flue gas pipeline through the flange plate 212, so that the high-temperature flue gas passes through the pipeline one 211 and then enters into the pipeline two 213, and then enters into the plurality of heat exchange pipes 222 from the pipeline two 213, and is heat exchanged with the solution in the heat conversion cylinder 3, the flue gas after heat exchange is finally discharged from the pipe group 2 at the other end of the heat exchange pipe 22, in the process of heat exchange, the rotating shaft 42 is driven to rotate through the servo motor 41, and then the gear 43 is driven to rotate, the gear 43 drives the gear plate 217 to rotate in the rotating process, the driving rotation of the pipeline two 213 is realized, when the pipeline two 213 rotates, the plurality of heat exchange pipes 222 are driven to rotate in the inside of the heat conversion cylinder 3 with the axis of the pipeline two 213, the plurality of heat exchange pipes 222 are continuously changed in position in the inside of the heat conversion cylinder 3, so that the heat exchange area is uniform, the generation of the dead angle is reduced, the high efficiency and uniform heat exchange of the solution is realized, the energy saving effect of the device is greatly improved, and the solution is discharged from the liquid outlet pipe 32 after heat exchange is completed.

[0032] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0033] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A gas boiler energy-saving device, comprising a bearing seat (1), the inner side of the upper end of the bearing seat (1) is provided with a pipe group (2), the outer side of the pipe group (2) is sleeved with a heat conversion cylinder (3), and one side of the upper end of the bearing seat (1) is provided with a driving mechanism (4), characterized in that: The pipe group (2) includes multiple groups of heat exchange pipes (22), both ends of the multiple groups of heat exchange pipes (22) are fixedly installed with connecting pipes (21), both sides of the upper end of the bearing seat (1) are fixedly installed with bearing seats (11), the connecting pipe (21) includes a pipeline I (211) penetrating through the bearing seat (11) and being fixedly connected, one end of the pipeline I (211) is fixedly installed with a flange plate (212), the other end of the pipeline I (211) is rotatably installed with a pipeline II (213), one group of the outer side of the pipeline II (213) is fixedly installed with a toothed disc (217), and the toothed disc (217) is meshedly connected with a driving mechanism (4).

2. A gas boiler energy saving device according to claim 1, characterized in that: The driving mechanism (4) includes a servo motor (41) fixedly connected with the bearing seat (1), the output end of the servo motor (41) is fixedly installed with a rotating shaft (42), one end of the rotating shaft (42) away from the servo motor (41) penetrates through the heat conversion cylinder (3) and is fixedly installed with a gear (43), the gear (43) is meshedly connected with the toothed disc (217), and the rotating shaft (42) is rotatably connected with the heat conversion cylinder (3).

3. A gas boiler energy saving device according to claim 1, characterized in that: The inner wall surface of the pipeline I (211) is provided with a sealing ring groove (214), the outer wall surface of the pipeline II (213) is fixedly installed with a sealing ring (215), the sealing ring (215) is matched with the sealing ring groove (214), and the inner side of the sealing ring (215) is fixedly installed with a spring (216).

4. A gas boiler energy saving device according to claim 1, characterized in that: The heat exchange pipe (22) includes multiple straight pipes (222), both ends of the straight pipe (222) are fixedly installed with elbow pipes (221), the elbow pipe (221) is fixedly connected and communicated with the pipeline II (213), and the outer side of the straight pipe (222) is fixedly installed with multiple heat conduction plates (223).

5. A gas boiler energy saving device according to claim 4, characterized in that: Multiple flow resistance blocks (224) are fixedly installed in the straight pipe (222).

6. A gas boiler energy saving device according to claim 1, characterized in that: The inside of the bearing seat (1) is provided with a discharging hole (12), the upper side of the heat conversion cylinder (3) is fixedly installed with a liquid inlet pipe (31), the lower side of the heat conversion cylinder (3) is fixedly installed with a liquid outlet pipe (32), and the output end of the liquid outlet pipe (32) penetrates through the discharging hole (12).

Citation Information

Patent Citations

  • Energy-saving device of gas-fired boiler

    CN221385649U