Heat-preservation, energy-saving and emission-reduction environment-friendly boiler
By designing an insulated, energy-saving, emission-reducing and environmentally friendly boiler, using the exhaust pipe and heat exchange system to recover the flue gas heat, and combining the activated carbon filter and scraper system to purify the flue gas, the problems of flue gas heat energy waste and poor purification effect in the boiler are solved, and efficient flue gas treatment that is energy-saving and environmentally friendly is achieved.
Patent Information
- Application Number
- CN202422770605.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-11-13
AI Technical Summary
Existing boilers cannot effectively recover the high-temperature heat energy in the flue gas during use, resulting in energy waste and poor flue gas purification effect, affecting environmental performance.
An insulated, energy-saving, emission-reducing, and environmentally friendly boiler was designed. The flue gas heat recovery and purification was achieved through a combination of exhaust pipes, heat exchange boxes, filter frames, guide boxes, and delivery pumps. Activated carbon filters and scraper systems were used to remove smoke dust. The insulation shell and support frame were combined to improve sealing and efficiency.
Effectively recover flue gas heat, reduce water heating time, reduce energy consumption, improve heat exchange efficiency, reduce environmental pollution, extend equipment service life, and meet energy conservation and environmental protection needs.
Smart Images

Figure CN223319099U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of boilers, in particular to a heat-insulating, energy-saving, emission-reducing and environment-friendly boiler. Background Art
[0002] A boiler is an energy conversion device. The energy input to the boiler includes chemical energy in the fuel, electrical energy, steam with a certain amount of thermal energy output by the boiler, high-temperature water or organic heat carrier. The boiler consists of two major parts: the pot and the furnace. The hot water or steam generated in the boiler can directly provide the required thermal energy for industrial production and people's lives, or it can be converted into mechanical energy through a steam power device, or the mechanical energy can be converted into electrical energy through a generator. A boiler that provides hot water is called a hot water boiler, which is mainly used for life and also has a small number of applications in industrial production.
[0003] For example, the Chinese utility model provides "a boiler with a flue gas purification function", announcement number: CN221923539U, which includes a furnace body and a box body fixedly arranged at the right end of the furnace body, an exhaust pipe is fixedly installed on the outer wall of the furnace body, an exhaust fan is fixedly installed on the air outlet end of the exhaust pipe, a connecting pipe is fixedly installed on the air outlet end of the exhaust fan, the air outlet end of the connecting pipe is connected to the air inlet end of the box body, an outer shell is fixedly installed on the upper end of the box body, and evenly distributed placement racks are fixedly installed on the inner walls of the front and rear ends of the outer shell, and symmetrically distributed filter element holders are movably provided on the upper end of the placement rack, and a purification filter element is movably provided on the outer wall of the filter element holder. The flue gas purification boiler can purify the flue gas and the filter element can be quickly replaced.
[0004] Although the boiler in the above technology can filter and purify the flue gas, it cannot effectively recycle the high temperature in the flue gas during use, resulting in a large amount of heat energy being discharged to the outside and causing great energy waste, thus failing to meet the needs of personnel. Utility Model Content
[0005] The purpose of the utility model is to provide a heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler, which has the advantages of being able to effectively recycle the high temperature in the flue gas, reduce the time required for reheating when water is subsequently stored inside the boiler, and is more energy-saving and environmentally friendly.
[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler, comprising a boiler body, an exhaust pipe fixedly connected to the middle end of the front surface of the boiler body, a right end of the exhaust pipe fixedly connected to a heat exchange box, a filter frame fixedly connected to the top of the heat exchange box, an air guide pipe fixedly connected to the top of the filter frame, a first guide box fixedly connected to the upper end of the right side of the heat exchange box, a second guide box fixedly connected to the upper end of the left side of the heat exchange box, a heat exchange pipe fixedly connected between the right side of the second guide box and the left side of the first guide box, and the second guide box fixedly connected to the left side of the first guide box. A return pipe is fixedly connected to the left side of the box, and the bottom of the return pipe is fixedly connected to the water tank. A second delivery pump is fixedly installed at the lower end of the right side of the water tank, and the output end of the second delivery pump is fixedly installed on the right side of the first guide box through a pipeline. A drive motor is fixedly installed at the left end of the back of the heat exchange box, and a screw is fixedly installed at the output end of the drive motor. The left end of the screw is threadedly connected to a movable frame, and the right end of the movable frame is movably connected to the lower end of the right side of the heat exchange box. A first scraper is fixedly connected to the left side of the movable frame, and the surface of the first scraper is movably connected to the surface of the heat exchange tube.
[0007] As a preferred solution, an activated carbon filter is fixedly installed at the lower end of the inner cavity of the filter frame, activated carbon particles are placed between the inner cavity of the filter frame and the top of the activated carbon filter, and a maintenance door is movably connected to the front surface of the filter frame through a hinge.
[0008] As a preferred solution, the upper ends of both sides of the first scraper are fixedly connected to support springs, a second scraper is fixedly connected between the tops of the two support springs, the top of the second scraper is movably connected to the left end of the top of the inner cavity of the heat exchange box, and both ends of the bottom of the second scraper are fixedly connected to a limiting slide rod, and the surface of the limiting slide rod is movably connected to the upper end of the first scraper.
[0009] As a preferred solution, the lower end of the front surface of the heat exchanger box is fixedly connected to a dust discharge pipe, the front surface of the dust discharge pipe is threadedly connected to a sealing cover, and support frames are fixedly connected between the lower end of the outer surface of the heat exchanger box and the top of the outer surface of the water tank.
[0010] As a preferred solution, a sealing ring is fixedly connected to the lower end of the right side of the heat exchange box, the surface of the movable frame is movably connected to the surface of the sealing ring, the right end of the back of the heat exchange box is fixedly connected to a fixed plate, and the right side of the screw is movably connected to the left side of the fixed plate through a bearing.
[0011] As a preferred solution, a first delivery pump is fixedly installed at the lower end of the front surface of the water tank, and a delivery pipe is fixedly installed between the output end of the first delivery pump and the upper end of the boiler body.
[0012] As a preferred solution, a heat-insulating shell is fixedly connected to the outer surface of the boiler body, and a bottom plate is fixedly connected between the bottom of the outer surface of the boiler body and the bottom of the outer surface of the water tank.
[0013] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0014] The utility model discloses the ...
[0015] 2. The utility model can effectively filter and purify the pollutants in the flue gas flowing through the filter frame through the arrangement of the activated carbon filter and the activated carbon granules, thereby effectively reducing the environmental pollution caused by the flue gas emission process. The arrangement of the maintenance door makes it easy for personnel to replace the activated carbon filter and the activated carbon granules inside the filter frame for maintenance. The arrangement of the supporting spring and the second scraper can drive the second scraper to move during the movement of the first scraper, so that the second scraper can scrape off the large-sized smoke dust attached to the bottom of the activated carbon filter under the action of the movement, effectively reducing the frequency of replacement of the bottom of the activated carbon filter due to blockage. The arrangement of the limiting slide bar achieves the purpose of guiding the second scraper to avoid tilting of the second scraper during the movement.
[0016] 3. The utility model provides an ash discharge pipe and a sealing cover, which makes it convenient for personnel to discharge and clean the dust accumulated inside the heat exchange box. The support frame is provided to achieve the purpose of supporting and fixing the heat exchange box. The sealing ring is provided to effectively improve the sealing of the contact between the mobile frame and the heat exchange box, reducing the probability of smoke leakage. The fixed plate is provided to achieve the purpose of supporting the right side of the screw, thereby preventing the screw from tilting due to force. The first delivery pump and the delivery pipe are provided to facilitate personnel to deliver water from the inside of the water tank to the inside of the boiler body. The insulation shell is provided to form good thermal insulation protection around the boiler body, reducing the probability of heat diffusion to the outside during the use of the boiler body. The bottom plate is provided to achieve the purpose of supporting the whole. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a three-dimensional diagram of the utility model;
[0018] Figure 2 This is a schematic diagram of the back structure of the heat exchange box of the utility model;
[0019] Figure 3 This is a schematic diagram of the front cross-sectional structure of the heat exchange box of the present invention;
[0020] Figure 4 This is a schematic diagram of the cross-sectional structure of the heat exchange box on the right side of the present invention.
[0021] In the figure: 1. Boiler body; 2. Exhaust pipe; 3. Insulation shell; 4. Bottom plate; 5. Delivery pipe; 6. First delivery pump; 7. Water tank; 8. Second delivery pump; 9. Ash discharge pipe; 10. First guide box; 11. Heat exchange box; 12. Filter frame; 13. Air guide pipe; 14. Second guide box; 15. Return pipe; 16. Drive motor; 17. Support frame; 18. Screw; 19. Moving frame; 20. Fixed plate; 21. Activated carbon filter; 22. Activated carbon granules; 23. Sealing ring; 24. Heat exchange tube; 25. First scraper; 26. Second scraper; 27. Limiting slide bar; 28. Support spring. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] Secondly, the term "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in various places throughout this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.
[0024] Example 1:
[0025] See also Figures 1-4 As shown, the utility model provides a heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler, comprising a boiler body 1, an exhaust pipe 2 is fixedly connected to the middle end of the front surface of the boiler body 1, the right end of the exhaust pipe 2 is fixedly connected to a heat exchange box 11, a filter frame 12 is fixedly connected to the top of the heat exchange box 11, an air guide pipe 13 is fixedly connected to the top of the filter frame 12, the upper end of the right side of the heat exchange box 11 is fixedly connected to a first guide box 10, the upper end of the left side of the heat exchange box 11 is fixedly connected to a second guide box 14, a heat exchange pipe 24 is fixedly connected between the right side of the second guide box 14 and the left side of the first guide box 10, and the left side of the second guide box 14 is fixedly connected to It is connected to a return pipe 15, the bottom of which is fixedly connected to a water tank 7, a second delivery pump 8 is fixedly installed at the lower end of the right side of the water tank 7, and the output end of the second delivery pump 8 is fixedly installed on the right side of the first guide box 10 through a pipeline, a drive motor 16 is fixedly installed at the left end of the back of the heat exchange box 11, a screw 18 is fixedly installed at the output end of the drive motor 16, the left end of the screw 18 is threadedly connected to a movable frame 19, the right end of the movable frame 19 is movably connected to the lower end of the right side of the heat exchange box 11, the left side of the movable frame 19 is fixedly connected to a first scraper 25, and the surface of the first scraper 25 is movably connected to the surface of the heat exchange tube 24.
[0026] In the present technical solution, by setting up the exhaust pipe 2, the high-temperature flue gas can be diverted during the operation of the boiler body 1, so that the high-temperature flue gas can enter the interior of the heat exchange box 11 and the filter frame 12 in turn, and then be discharged from the air guide pipe 13. By setting up the second delivery pump 8, the first guide box 10, the heat exchange pipe 24, the second guide box 14 and the return pipe 15, the water inside the water tank 7 is circulated and the heat in the flue gas is effectively recovered. While effectively reducing energy waste, the water temperature inside the water tank 7 is effectively increased, and the energy consumption and time required for water heating are reduced in the subsequent process of supplying water to the inside of the boiler body 1, which is more energy-saving and environmentally friendly. By setting up the drive motor 16, the screw 18, the movable frame 19 and the first scraper 25, the smoke dust attached to the surface of the heat exchange tube 24 can be effectively scraped off, thereby effectively avoiding the surface of the heat exchange tube 24 being covered by smoke dust, and ensuring the heat exchange efficiency during long-term use, greatly meeting the use needs of personnel.
[0027] Example 2:
[0028] On the basis of embodiment 1, the present invention is as follows Figure 1 、 Figure 3 and Figure 4 As shown, it is disclosed that an activated carbon filter 21 is fixedly installed at the lower end of the inner cavity of the filter frame 12, and activated carbon particles 22 are placed between the inner cavity of the filter frame 12 and the top of the activated carbon filter 21. The front surface of the filter frame 12 is movably connected to a maintenance door through a hinge, and the upper ends of both sides of the first scraper 25 are fixedly connected to support springs 28, and a second scraper 26 is fixedly connected between the tops of the two support springs 28. The top of the second scraper 26 is movably connected to the left end of the top of the inner cavity of the heat exchange box 11, and both ends of the bottom of the second scraper 26 are fixedly connected to a limiting slide bar 27, and the surface of the limiting slide bar 27 is movably connected to the upper end of the first scraper 25.
[0029] In the present technical solution, by setting the activated carbon filter 21 and the activated carbon particles 22, the pollutants in the flue gas flowing through the filter frame 12 can be effectively filtered and purified, and the environmental pollution caused by the flue gas emission process can be effectively reduced. The setting of the maintenance door makes it convenient for personnel to replace and maintain the activated carbon filter 21 and the activated carbon particles 22 inside the filter frame 12. By setting the support spring 28 and the second scraper 26, the second scraper 26 can be driven to move during the movement of the first scraper 25, so that the second scraper 26 can scrape off the large-sized smoke dust attached to the bottom of the activated carbon filter 21 under the action of movement, effectively reducing the frequency of replacement of the bottom of the activated carbon filter 21 due to blockage. By setting the limiting slide bar 27, the purpose of guiding the second scraper 26 is achieved, and the second scraper 26 is prevented from tilting during the movement.
[0030] Example 3:
[0031] On the basis of embodiment 1, the present invention is as follows Figure 1-Figure 3 As shown, it is disclosed that the lower end of the front surface of the heat exchange box 11 is fixedly connected with an ash discharge pipe 9, and the front surface of the ash discharge pipe 9 is threadedly connected with a sealing cover, and a support frame 17 is fixedly connected between the four sides of the lower end of the outer surface of the heat exchange box 11 and the four sides of the top of the outer surface of the water tank 7, and the lower end of the right side of the heat exchange box 11 is fixedly connected with a sealing ring 23, and the surface of the movable frame 19 is movably connected to the surface of the sealing ring 23. The right end of the back side of the heat exchange box 11 is fixedly connected with a fixed plate 20, and the right side of the screw 18 is movably connected to the left side of the fixed plate 20 through a bearing. The lower end of the front surface of the water tank 7 is fixedly installed with a first delivery pump 6, and a delivery pipe 5 is fixedly installed between the output end of the first delivery pump 6 and the upper end of the boiler body 1, the outer surface of the boiler body 1 is fixedly connected with an insulation shell 3, and the bottom of the outer surface of the boiler body 1 and the bottom of the outer surface of the water tank 7 are fixedly connected with a bottom plate 4.
[0032] In the present technical solution, the provision of the ash discharge pipe 9 and the sealing cover facilitates personnel to discharge and clean the dust accumulated inside the heat exchange box 11; the provision of the support frame 17 achieves the purpose of supporting and fixing the heat exchange box 11; the provision of the sealing ring 23 effectively improves the sealing performance of the contact between the movable frame 19 and the heat exchange box 11, and reduces the probability of smoke leakage; the provision of the fixed plate 20 achieves the purpose of supporting the right side of the screw 18, and prevents the screw 18 from tilting due to force; the provision of the first delivery pump 6 and the delivery pipe 5 facilitates personnel to deliver the water inside the water tank 7 to the inside of the boiler body 1; the provision of the insulation shell 3 enables good thermal insulation protection to be formed around the boiler body 1, reducing the probability of heat diffusion to the outside during the use of the boiler body 1; and the provision of the bottom plate 4 achieves the purpose of supporting the whole.
[0033] The working principle of the present invention is as follows: through the setting of the exhaust pipe 2, the high-temperature flue gas can be diverted during the operation of the boiler body 1, so that the high-temperature flue gas can enter the interior of the heat exchange box 11 and the filter frame 12 in turn, and then be discharged from the air guide pipe 13. At the same time, by starting the second delivery pump 8, the water inside the water tank 7 can be extracted, and after being transported to the interior of the heat exchange pipe 24 through the pipeline and the first guide box 10, it returns to the interior of the water tank 7 from the second guide box 14 and the return pipe 15, thereby achieving the effect of circulating the water inside the water tank 7. In the process of the water flowing through the heat exchange pipe 24, it can effectively exchange heat with the high-temperature flue gas flowing through the inside of the heat exchange box 11, thereby achieving the effective heat removal of the flue gas. The high-efficiency recycling effect effectively reduces energy waste while effectively increasing the water temperature inside the water tank 7, and reduces the energy consumption and time required for water heating in the subsequent water supply to the boiler body 1, which is more energy-saving and environmentally friendly. When the surface of the heat exchange tube 24 is covered with a large amount of smoke and dust, the screw 18 can be driven to rotate by starting the drive motor 16, and the rotation of the screw 18 can drive the movable frame 19 and the first scraper 25 to move. Under the action of the movement of the first scraper 25, the smoke and dust attached to the surface of the heat exchange tube 24 can be effectively scraped off, thereby effectively avoiding the surface of the heat exchange tube 24 from being covered with smoke and dust, and ensuring the heat exchange efficiency during long-term use, which greatly meets the use needs of personnel.
[0034] It is important to note that the construction and arrangement of the present application shown in a number of different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, colors, directional changes, etc.) without departing substantially from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete elements may be altered or changed. Therefore, all such modifications are intended to be included within the scope of the present invention. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "means plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to the specific embodiments, but extends to various modifications that still fall within the scope of the appended claims.
[0035] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.
[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.
Claims
1. A heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler, comprising a boiler body (1), characterized in that: The middle end of the front surface of the boiler body (1) is fixedly connected to an exhaust pipe (2), the right end of the exhaust pipe (2) is fixedly connected to a heat exchange box (11), the top of the heat exchange box (11) is fixedly connected to a filter frame (12), the top of the filter frame (12) is fixedly connected to an air guide pipe (13), the upper end of the right side of the heat exchange box (11) is fixedly connected to a first guide box (10), the upper end of the left side of the heat exchange box (11) is fixedly connected to a second guide box (14), a heat exchange pipe (24) is fixedly connected between the right side of the second guide box (14) and the left side of the first guide box (10), the left side of the second guide box (14) is fixedly connected to a return pipe (15), the return pipe (15) is fixedly connected to the left side of the return pipe (15). A water tank (7) is fixedly connected to the bottom, a second delivery pump (8) is fixedly installed at the lower end of the right side of the water tank (7), and the output end of the second delivery pump (8) is fixedly installed on the right side of the first guide box (10) through a pipeline. A driving motor (16) is fixedly installed at the left end of the back of the heat exchange box (11), and a screw (18) is fixedly installed at the output end of the driving motor (16). The left end of the screw (18) is threadedly connected to a movable frame (19), and the right end of the movable frame (19) is movably connected to the lower end of the right side of the heat exchange box (11). The left side of the movable frame (19) is fixedly connected to a first scraper (25), and the surface of the first scraper (25) is movably connected to the surface of the heat exchange tube (24).
2. The heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler according to claim 1, characterized in that: An activated carbon filter (21) is fixedly mounted at the lower end of the inner cavity of the filter frame (12), activated carbon particles (22) are placed between the inner cavity of the filter frame (12) and the top of the activated carbon filter (21), and a maintenance door is movably connected to the front surface of the filter frame (12) via a hinge.
3. The heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler according to claim 1, characterized in that: The upper ends of both sides of the first scraper (25) are fixedly connected to support springs (28), and a second scraper (26) is fixedly connected between the tops of the two support springs (28). The top of the second scraper (26) is movably connected to the left end of the top of the inner cavity of the heat exchange box (11). Both ends of the bottom of the second scraper (26) are fixedly connected to a limiting slide bar (27), and the surface of the limiting slide bar (27) is movably connected to the upper end of the first scraper (25).
4. The heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler according to claim 1, characterized in that: The lower end of the front surface of the heat exchange box (11) is fixedly connected to a dust discharge pipe (9), and the front surface of the dust discharge pipe (9) is threadedly connected to a sealing cover. A support frame (17) is fixedly connected between the four sides of the lower end of the outer surface of the heat exchange box (11) and the four sides of the top of the outer surface of the water tank (7).
5. The heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler according to claim 1 is characterized by: The lower end of the right side of the heat exchange box (11) is fixedly connected to a sealing ring (23), the surface of the movable frame (19) is movably connected to the surface of the sealing ring (23), the right end of the back side of the heat exchange box (11) is fixedly connected to a fixed plate (20), and the right side of the screw (18) is movably connected to the left side of the fixed plate (20) through a bearing.
6. The heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler according to claim 1 is characterized by: A first delivery pump (6) is fixedly installed at the lower end of the front surface of the water tank (7), and a delivery pipe (5) is fixedly installed between the output end of the first delivery pump (6) and the upper end of the boiler body (1).
7. The heat-insulating, energy-saving, emission-reducing and environmentally friendly boiler according to claim 1 is characterized by: The outer surface of the boiler body (1) is fixedly connected to a heat-insulating shell (3), and a bottom plate (4) is fixedly connected between the bottom of the outer surface of the boiler body (1) and the bottom of the outer surface of the water tank (7).
Citation Information
Patent Citations
Boiler with flue gas purification function
CN221923539U