Flue gas waste heat recovery device for boiler energy-saving transformation
By designing a flue gas waste heat recovery device based on existing technology, and through the cooperation of pull rings, threaded rods, limit cards, and nuts, the problems of inconvenient opening and closing and unstable use of existing devices are solved, achieving convenient opening and closing and stable use.
Patent Information
- Application Number
- CN202520210168.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing waste heat recovery devices are inconvenient to start, stop, and maintain, and are not stable enough and are prone to damage.
A flue gas waste heat recovery device was designed, comprising a main body of the recovery device, a supporting base plate, a supporting rod, an upper sealing plate, a baffle, and an inlet and outlet gas assembly. The device achieves convenient opening and closing and stable installation through the cooperation of a pull ring, a threaded rod, a limit card, and a nut.
It enables convenient start-up and stable use of the waste heat recovery device, meets users' needs for convenient operation and stability of the device, and realizes an integrated waste heat recovery.
Smart Images

Figure CN223726932U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to boiler production technical direction, concretely relates to a kind of flue gas waste heat recovery device for boiler energy-saving reconstruction. BACKGROUND
[0002] Waste heat is the production process that many production processes need fuel oil, fuel gas, coal combustion process, burning process will produce a large amount of heat, most of the heat is discharged with flue gas, the heat released by the flue gas after high-temperature burning is generally called flue gas waste heat, when the user recovers waste heat, the user needs to use waste heat recovery device.
[0003] The prior art has the following problems:
[0004] 1. The existing waste heat recovery device on the market is not convenient for the user to use, and the user needs to use the recovery device to start and stop and maintain, which increases the user's use time.
[0005] 2. The existing waste heat recovery device on the market is not stable when the user uses it, which can damage the recovery device. INVENTION CONTENTS
[0006] The utility model aims at the existing device a kind of flue gas waste heat recovery device for boiler energy-saving reconstruction to solve the problems raised in the above background.
[0007] To solve the above technical problems, the utility model provides the following technical scheme: a kind of flue gas waste heat recovery device for boiler energy-saving reconstruction, including recovery device main body, the bottom surface of the recovery device main body is welded with support base plate, the upper surface of the support base plate is installed and is provided with support rod.
[0008] The upper surface of the recovery device main body is limitedly connected with upper sealing plate, the upper surface of the recovery device main body is limitedly connected with baffle, the upper surface of the baffle is fixedly connected with first handle, the side surface of the recovery device main body is installed and is provided with air inlet and outlet assembly assembly, the side surface of the recovery device main body is connected with switch door, the front surface of the recovery device main body is fixedly connected with installation limiting block.
[0009] The side surface of the installation limiting block is limitedly connected with nut, the inner ring surface of the nut is limitedly connected with threaded rod, the side surface of the recovery device main body is installed and is provided with flue gas port assembly assembly, the inner ring surface of the recovery device main body is fixedly connected with flue gas fan blade adsorption assembly assembly, the inner ring surface of the recovery device main body is installed and is provided with flue gas waste heat device control mainboard assembly.
[0010] The utility model further illustrates that the side surface of the switch door is welded with a pull ring, and the pull ring is connected between the switch door and the recycling device main body.
[0011] The pull ring connected between the switch door and the recycling device main body can facilitate the user to conveniently use and operate the switch door.
[0012] The utility model further illustrates that the inner ring surface of the switch door is provided with a mounting opening, and the mounting opening and the threaded rod are matched in size.
[0013] The mounting opening matched in size with the threaded rod can facilitate the user to mount the nut on the recycling device main body and facilitate the user to use and operate the threaded rod.
[0014] The utility model further illustrates that the outer ring surface of the threaded rod is sleeved with a limiting card, and the limiting card is connected between the threaded rod and the switch door.
[0015] The limiting card connected between the threaded rod and the switch door can facilitate the user to use and limit the switch door and facilitate the user to limit the switch door and the recycling device main body.
[0016] The utility model further illustrates that the nut is connected between the mounting limiting block and the recycling device main body, and the mounting limiting block is symmetrically arranged above and below the horizontal line of the nut as the symmetric axis.
[0017] The mounting limiting block symmetrically arranged above and below the horizontal line of the nut as the symmetric axis can facilitate the user to stably mount the nut on the recycling device main body.
[0018] The utility model further illustrates that the upper surface of the supporting rod is fixedly connected with a placing plate, and the placing plate is connected between the supporting rod and the supporting bottom plate.
[0019] The placing plate connected between the supporting rod and the supporting bottom plate can facilitate the user to support the recycling device main body and the flue gas port assembly assembly.
[0020] Compared with the prior art, the utility model has the beneficial effects that:
[0021] The utility model provides a kind of flue gas waste heat recovery device for boiler energy-saving reconstruction, and through the mutual cooperation and use of the recovery device main body, first handle, flue gas port component assembly, upper sealing plate, baffle, air inlet and outlet component assembly, support base plate, support rod, placement plate, switch door, pull ring, threaded rod, flue gas fan blade adsorption component assembly, flue gas waste heat device control mainboard assembly, mounting opening, limit card, mounting limit block and nut being set, can be conveniently used by user to open and close recovery device, when user needs to use recovery device, user needs to control first handle, then user can push baffle, then user can remove upper sealing plate on recovery device main body, so that user can use recovery device to open and close, and when user needs to use recovery device, user needs to screw threaded rod, then user needs to remove threaded rod on nut, so that user can remove switch door on recovery device main body by pull ring, so that user can overhaul flue gas waste heat device control mainboard assembly arranged in recovery device main body, meet the use demand that user can use opening and closing and convenient device overhaul;
[0022] The utility model provides a kind of flue gas waste heat recovery device for boiler energy-saving reconstruction, and through the mutual cooperation and use of the recovery device main body, first handle, flue gas port component assembly, upper sealing plate, baffle, air inlet and outlet component assembly, support base plate, support rod, placement plate, switch door, pull ring, threaded rod, flue gas fan blade adsorption component assembly, flue gas waste heat device control mainboard assembly, mounting opening, limit card, mounting limit block and nut being set, can be conveniently used by user to open and close recovery device, when user needs to use recovery device, user needs to control first handle, then user can push baffle, then user can remove upper sealing plate on recovery device main body, so that user can use recovery device to open and close, and when user needs to use recovery device, user needs to screw threaded rod, then user needs to remove threaded rod on nut, so that user can remove switch door on recovery device main body by pull ring, so that user can overhaul flue gas waste heat device control mainboard assembly arranged in recovery device main body, meet the use demand that user can use opening and closing and convenient device overhaul; ACCREDITED DRAWINGS
[0023] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model.In the drawings:
[0024] Figure 1 It is the overall structure schematic diagram of the utility model;
[0025] Figure 2 It is the structure back view of the utility model;
[0026] Figure 3 It is the structure first side sectional view of the utility model;
[0027] Figure 4 It is the structure of the utility model Figure 3 Enlarged view of structure in A place;
[0028] Figure 5It is the second side sectional view of the structure of the utility model.
[0029] In the figure: 1, recovery device main part; 2, first handle; 3, flue gas port assembly total assembly; 4, upper sealing plate; 5, baffle; 6, in and out air assembly total assembly; 7, support base plate; 8, support rod; 9, placing plate; 10, switch door; 11, pull ring; 12, threaded rod; 13, flue gas fan blade adsorption assembly total assembly; 14, flue gas waste heat device control main plate total assembly; 15, installation opening; 16, limit card; 17, installation limit block; 18, nut. DETAILED DESCRIPTION
[0030] The utility model discloses technical scheme is further non-restrictive detailed description with preferred embodiment and its drawing. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.
[0031] Please refer to Figures 1-5 The utility model provides technical scheme: a kind of flue gas waste heat recovery device for boiler energy-saving reconstruction, including recovery device main part 1, the bottom surface of recovery device main part 1 is welded with support base plate 7, the upper surface of support base plate 7 is installed and is provided with support rod 8, the upper surface of recovery device main part 1 is limited and is connected with upper sealing plate 4.
[0032] In the embodiment, the side surface of switch door 10 is welded with pull ring 11, and the pull ring 11 is connected between switch door 10 and recovery device main part 1. The pull ring 11 connected between switch door 10 and recovery device main part 1 can facilitate the user to conveniently use and operate the switch door 10. The inner ring surface of switch door 10 is provided with installation opening 15, and the size of installation opening 15 and threaded rod 12 is matched. The installation opening 15 matched in size with threaded rod 12 can facilitate the user to install nut 18 on recovery device main part 1, and facilitate the user to use and operate threaded rod 12.
[0033] As Figures 1-5 As shown in the embodiment 1, the utility model provides a technical scheme: preferably, the upper surface of recovery device main part 1 is limitedly connected with baffle 5, the upper surface of baffle 5 is fixedly connected with first handle 2, the side surface of recovery device main part 1 is installed and provided with in and out air assembly total assembly 6, and the side surface of recovery device main part 1 is connected with switch door 10.
[0034] In the embodiment, the outer ring surface of the threaded rod 12 is limited by the limiting card 16, and the limiting card 16 is connected with the switch door 10, and the limiting card 16 connected with the switch door 10 can be used to limit the use of the switch door 10 by the user, and can be used to limit the switch door 10 and the recycling device main body 1 by the user.
[0035] As shown in Figures 1-5 On the basis of embodiment 1, the utility model provides a technical scheme: preferably, the positive surface of recycling device main body 1 is fixedly connected with installation limiting block 17, the side surface of installation limiting block 17 is limitedly connected with nut 18, the inner ring surface of nut 18 is limitedly connected with threaded rod 12, the side surface of recycling device main body 1 is installed with flue gas port assembly 3, the inner ring surface of recycling device main body 1 is fixedly connected with flue gas fan blade adsorption assembly 13, and the inner ring surface of recycling device main body 1 is installed with flue gas waste heat device control mainboard assembly 14.
[0036] In the embodiment, the nut 18 is connected between the installation limiting block 17 and the recycling device main body 1, and the installation limiting block 17 is symmetrically arranged on the horizontal line of the nut 18 as the axis, and the installation limiting block 17 symmetrically arranged on the horizontal line of the nut 18 as the axis can be used to stably install the nut 18 on the recycling device main body 1 by the user, the upper surface of the supporting rod 8 is fixedly connected with the placing plate 9, and the placing plate 9 is connected between the supporting rod 8 and the supporting bottom plate 7, and the placing plate 9 connected between the supporting rod 8 and the supporting bottom plate 7 can be used to support the recycling device main body 1 and the flue gas port assembly 3 by the user.
[0037] As shown in Figures 1-5As shown, when the user needs to use the recycling device, the user needs to control the first handle 2, then the user can push the baffle 5, and then the user can take off the upper sealing plate 4 on the recycling device body 1, so that the user can open and close the recycling device, and when the user needs to use and maintain the recycling device, the user needs to twist the threaded rod 12, and then the user needs to take off the threaded rod 12 on the nut 18, so that the user can take off the switch door 10 on the recycling device body 1 through the pull ring 11, so that the user can maintain the flue gas waste heat device control mainboard assembly 14 arranged in the recycling device body 1, so that the user can use the opening and closing and convenient device maintenance, and through the flue gas port assembly 3 arranged in the recycling device body 1, after the user opens the flue gas port assembly 3, the user can absorb the flue gas in the recycling device body 1, through the flue gas waste heat device control mainboard assembly 14, the flue gas can be waste heat recovered, and through the air inlet and outlet assembly 6 arranged on the side surface of the recycling device body 1, the recycled waste heat energy can be discharged, so that the user can use the integrated waste heat recovery.
[0038] In the description of the present application, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc. indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation of the present application.
[0039] Finally, it should be pointed out that: the above examples are only used to illustrate the technical solutions of the present application, and not to limit them. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that they can modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. A flue gas waste heat recovery device for energy saving reconstruction of a boiler, comprising a recovery device main body (1), characterized in that: The bottom surface of the recovery device body (1) is welded with a supporting bottom plate (7), the upper surface of the supporting bottom plate (7) is provided with a supporting rod (8), and the upper surface of the recovery device body (1) is limitedly connected with an upper sealing plate (4); The upper surface of the recovery device body (1) is limitedly connected with a baffle (5), the upper surface of the baffle (5) is fixedly connected with a first handle (2), and the side surface of the recovery device body (1) is provided with an air inlet and outlet assembly (6); The side surface of the recovery device body (1) is connected with a switch door (10), the front surface of the recovery device body (1) is fixedly connected with a mounting limiting block (17), the side surface of the mounting limiting block (17) is limitedly connected with a nut (18), the inner ring surface of the nut (18) is limitedly connected with a threaded rod (12), the side surface of the recovery device body (1) is provided with a flue gas port assembly (3), the inner ring surface of the recovery device body (1) is fixedly connected with a flue gas fan blade adsorption assembly (13), and the inner ring surface of the recovery device body (1) is provided with a flue gas waste heat device control mainboard assembly (14).
2. A flue gas waste heat recovery device for energy saving reconstruction of a boiler according to claim 1, characterized in that: The side surface of the switch door (10) is welded with a pull ring (11), and the pull ring (11) is connected between the switch door (10) and the recovery device body (1).
3. A flue gas waste heat recovery device for energy saving reconstruction of a boiler according to claim 1, characterized in that: The inner ring surface of the switch door (10) is provided with a mounting opening (15), and the mounting opening (15) and the threaded rod (12) are matched in size.
4. A flue gas waste heat recovery device for energy saving reconstruction of a boiler according to claim 3, characterized in that: The outer ring surface of the threaded rod (12) is limitedly sleeved with a limiting card (16), and the limiting card (16) is connected between the threaded rod (12) and the switch door (10).
5. A flue gas waste heat recovery device for energy saving reconstruction of a boiler according to claim 1, characterized in that: The nut (18) is connected between the mounting limiting block (17) and the recovery device body (1), and the mounting limiting block (17) is symmetrically arranged above and below with the horizontal line of the nut (18) as the axis of symmetry.
6. A flue gas waste heat recovery device for energy saving reconstruction of a boiler according to claim 1, characterized in that: The upper surface of the supporting rod (8) is fixedly connected with a placing plate (9), and the placing plate (9) is connected between the supporting rod (8) and the supporting bottom plate (7).