Boiler flue gas waste heat recovery device

Abstract

The utility model discloses a boiler flue gas waste heat recovery device, and relates to the technical field of waste heat recovery. The boiler comprises a boiler body, a heat storage water tank, a filtering exhaust box and a sealing buckling plate, a smoke exhaust pipe is installed at the top end of the boiler body, and the heat storage water tank is arranged on one side of the boiler body. By arranging the smoke exhaust pipe, the heating pipe and the filtering air exhaust box, smoke can enter the filtering air exhaust box through the heating pipe, dust in the smoke can be primarily purified through the filtering plate, and then the smoke can be secondarily purified through the filtering balls in the filtering box; meanwhile, a filter box is driven by an air cylinder to move in a filter exhaust box, a filter plate is vibrated under the cooperation of an elastic piece, dust on the filter plate is shaken off, dust accumulation is reduced, meanwhile, filter balls in the filter box are driven by vibration of the elastic piece to shake, contact between the filter balls and smoke is increased, the filter balls adsorb peculiar smell in the smoke, and the smoke is exhausted. Therefore, the environment pollution caused by the flue gas is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of waste heat recovery, and particularly relates to a boiler flue gas waste heat recovery device. Background Art

[0002] Waste heat refers to the sensible heat and latent heat that has not been reasonably utilized in the original design of energy-consuming devices of industrial enterprises that have been put into operation due to the limitations of historical, technological and conceptual factors. It includes waste heat from high-temperature exhaust gas, waste heat from cooling medium, waste heat from waste steam and waste water, waste heat from high-temperature products and slag, waste heat from chemical reactions, and waste heat from combustible exhaust gas, waste liquid and waste materials. During the operation of the boiler, the flue gas generated by the operation of the boiler contains a large amount of heat. Directly discharging it is a huge waste of energy.

[0003] However, the existing boiler flue gas waste heat recovery device is unable to purify the flue gas after the waste heat is recovered, and the effect is poor, and it is easy to pollute the air after being discharged. Utility Model Content

[0004] The utility model aims to provide a boiler flue gas waste heat recovery device to solve the problem that the existing boiler flue gas waste heat recovery device cannot purify the flue gas after the waste heat is recovered, has a poor effect, and is easy to pollute the air after being discharged.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a boiler flue gas waste heat recovery device, comprising a boiler body, a heat storage tank, a filter exhaust box and a sealing buckle plate, wherein a smoke exhaust pipe is installed at the top of the boiler body, the heat storage tank is arranged at one side of the boiler body, a heating pipe is installed on the peripheral side of the heat storage tank, the heating pipe is spiral, one end of the heating pipe is connected with the smoke exhaust pipe, and the other end is connected with the filter exhaust box, a filter plate is installed inside the filter exhaust box, a mounting box is fixedly connected to the upper surface of the filter exhaust box, a cylinder is installed inside the mounting box, a filter box is movably connected to the output end of the cylinder, and the filter box is arranged inside the filter exhaust box and slidably cooperates with the filter box.

[0007] The filter box is arranged on one side of the filter plate, a plurality of groups of spring sheets are fixedly connected to one side of the filter box, one end of the spring sheets is attached to the filter plate, and a plurality of filter balls are arranged inside the filter box.

[0008] A mounting groove is provided on one side of the filter exhaust box, the sealing buckle plate is arranged at the mounting groove and forms a sealing structure therewith, a slot is provided on one side of the filter exhaust box, an insert block is fixedly connected to one side of the sealing buckle plate, and the insert block is plugged into the slot.

[0009] Matching screw holes are provided on both sides of the installation groove, and fastening screws are spirally connected on both sides of the sealing buckle plate. One end of the fastening screw is arranged in the matching screw hole and spirally matched with the matching screw hole. Through such arrangement, because the sealing buckle plate and the filter exhaust box are fixedly connected by screws, it is convenient to replace the filter ball at a later time.

[0010] The connection between the cylinder output end and the filter exhaust box and the connection between the sealing buckle plate and the mounting groove are both provided with sealing sleeves; by providing the sealing sleeves, the sealing performance of the device is improved to avoid smoke leakage and air pollution.

[0011] An exhaust fan is installed inside the filter exhaust box, and the exhaust fan is arranged on one side of the filter box. An exhaust pipe is installed at one end of the filter exhaust box.

[0012] The utility model has the following beneficial effects:

[0013] The utility model provides a smoke exhaust pipe, a heating pipe and a filter exhaust box, so that the smoke can enter the filter exhaust box through the heating pipe, the dust in the smoke can be preliminarily purified by using the filter plate, and then the smoke can be secondary purified by using the filter ball in the filter box. At the same time, the filter box is driven by the cylinder to move in the filter exhaust box, and the filter plate is vibrated with the cooperation of the spring piece to shake off the dust on the filter plate, thereby reducing dust accumulation. At the same time, the filter ball in the filter box is driven by the vibration of the spring piece to shake, thereby increasing the contact with the smoke, and the filter ball absorbs the odor in the smoke, thereby preventing the smoke from polluting the environment. By providing a hot water storage tank and a sealing buckle plate, the smoke can enter the heating pipe through the smoke exhaust pipe, and the heating pipe can increase the contact area between the smoke and the hot water storage tank, so that the water in the hot water storage tank can be heated, thereby achieving the purpose of waste heat utilization. Because the sealing buckle plate and the filter exhaust box are fixedly connected by screws, it is convenient to replace the filter ball at a later stage.

[0014] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 This is a schematic diagram of the three-dimensional assembly structure of the utility model;

[0017] Figure 2 for Figure 1 A magnified image of area A;

[0018] Figure 3 It is a front view of the assembly structure of the utility model;

[0019] Figure 4 for Figure 3 Partial schematic diagram of the structure along the middle BB section.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Boiler body; 101. Smoke exhaust pipe; 2. Heat storage tank; 201. Heating pipe; 3. Filter exhaust box; 301. Exhaust pipe; 302. Mounting box; 303. Filter box; 304. Shrapnel; 305. Filter plate; 306. Slot; 307. Matching screw hole; 308. Cylinder; 309. Sealing sleeve; 310. Filter ball; 311. Exhaust fan; 4. Sealing buckle plate; 401. Insert block; 402. Fastening screw. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1-Figure 4As shown, the utility model is a boiler flue gas waste heat recovery device, comprising a boiler body 1, a heat storage tank 2, a filter exhaust box 3 and a sealing buckle plate 4, a smoke exhaust pipe 101 is installed at the top of the boiler body 1, the heat storage tank 2 is arranged on one side of the boiler body 1, a heating pipe 201 is installed on the surrounding side of the heat storage tank 2, the heating pipe 201 is spiral, one end of the heating pipe 201 is connected to the smoke exhaust pipe 101, and the other end is connected to the filter exhaust box 3, a filter plate 305 is installed inside the filter exhaust box 3, an installation box 302 is fixedly connected to the upper surface of the filter exhaust box 3, a cylinder 308 is installed inside the installation box 302, and a filter box 303 is movably connected to the output end of the cylinder 308, and the filter box 303 is arranged inside the filter exhaust box 3 and slidably cooperates with it.

[0026] The filter box 303 is arranged on one side of the filter plate 305 . A plurality of spring pieces 304 are fixedly connected to one side of the filter box 303 . One end of the spring piece 304 is attached to the filter plate 305 . A plurality of filter balls 310 are arranged inside the filter box 303 .

[0027] A mounting groove is provided on one side of the filter exhaust box 3, and a sealing buckle plate 4 is arranged at the mounting groove and forms a sealing structure therewith. A slot 306 is provided on one side of the filter exhaust box 3, and an insert block 401 is fixedly connected to one side of the sealing buckle plate 4, and the insert block 401 is plugged into and matched with the slot 306.

[0028] Matching screw holes 307 are provided on both sides of the mounting groove, and fastening screws 402 are spirally connected to both sides of the sealing buckle plate 4. One end of the fastening screw 402 is arranged in the matching screw hole 307 and screw-matched with it. Through such arrangement, because the sealing buckle plate 4 and the filter exhaust box 3 are fixedly connected by the fastening screws 402, it is convenient to replace the filter ball 310 at a later time.

[0029] A sealing sleeve 309 is provided at the connection between the output end of the cylinder 308 and the filter exhaust box 3 and at the connection between the sealing buckle plate 4 and the mounting groove; by providing the sealing sleeve 309, the sealing performance of the device is improved to prevent smoke leakage and air pollution.

[0030] An exhaust fan 311 is installed inside the filter exhaust box 3 , and the exhaust fan 311 is arranged at one side of the filter box 303 . An exhaust pipe 301 is installed at one end of the filter exhaust box 3 .

[0031] It should be noted that when the flue gas enters the heating tube 201 through the exhaust pipe 101, the heating tube 201 can increase the contact area between the flue gas and the hot water storage tank 2, thereby heating the water in the hot water storage tank 2, and further achieving the purpose of waste heat utilization. In conjunction with the exhaust fan 311, the flue gas is sucked from the heating tube 201 into the filter exhaust box 3, and the dust in the flue gas can be preliminarily purified by the filter plate 305, and then the flue gas can be secondary purified by the filter ball 310 in the filter box 303. At the same time, the filter box 303 is driven to move in the filter exhaust box 3 by the cylinder 308. With the cooperation of the spring piece 304, the filter plate 305 is vibrated to shake off the dust on the filter plate 305 and reduce dust accumulation. At the same time, the filter ball 310 in the filter box 303 is driven to shake by the vibration of the spring piece 304 to increase its contact with the flue gas. The filter ball 310 absorbs the odor in the flue gas, thereby preventing the flue gas from polluting the environment.

[0032] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0033] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A boiler flue gas waste heat recovery device, comprising a boiler body (1), a hot water storage tank (2), a filter exhaust box (3) and a sealing buckle plate (4), characterized in that: A smoke exhaust pipe (101) is installed at the top of the boiler body (1), the hot water storage tank (2) is arranged on one side of the boiler body (1), a heating pipe (201) is installed on the peripheral side of the hot water storage tank (2), the heating pipe (201) is spiral-shaped, one end of the heating pipe (201) is connected to the smoke exhaust pipe (101), and the other end is connected to the filter exhaust box (3), a filter plate (305) is installed inside the filter exhaust box (3), a mounting box (302) is fixedly connected to the upper surface of the filter exhaust box (3), a cylinder (308) is installed inside the mounting box (302), the output end of the cylinder (308) is movably connected to the filter box (303), and the filter box (303) is arranged inside the filter exhaust box (3) and slidably cooperates with the filter exhaust box (3).

2. A boiler flue gas waste heat recovery device according to claim 1, characterized in that: The filter box (303) is arranged on one side of the filter plate (305), and a plurality of groups of spring sheets (304) are fixedly connected to one side of the filter box (303), one end of the spring sheet (304) is in contact with the filter plate (305), and a plurality of filter balls (310) are arranged inside the filter box (303).

3. A boiler flue gas waste heat recovery device according to claim 2, characterized in that: A mounting groove is provided on one side of the filter exhaust box (3), the sealing buckle plate (4) is arranged at the mounting groove and forms a sealing structure therewith, a slot (306) is provided on one side of the filter exhaust box (3), an insert block (401) is fixedly connected to one side of the sealing buckle plate (4), and the insert block (401) is plugged into and matched with the slot (306).

4. A boiler flue gas waste heat recovery device according to claim 3, characterized in that: Matching screw holes (307) are provided on both sides of the installation groove, and fastening screws (402) are spirally connected to both sides of the sealing buckle plate (4), and one end of the fastening screw (402) is arranged in the matching screw hole (307) and spirally matched therewith.

5. A boiler flue gas waste heat recovery device according to claim 4, characterized in that: A sealing sleeve (309) is provided at the connection between the output end of the cylinder (308) and the filter exhaust box (3) and at the connection between the sealing buckle plate (4) and the installation groove.

6. A boiler flue gas waste heat recovery device according to claim 5, characterized in that: An exhaust fan (311) is installed inside the filter exhaust box (3), and the exhaust fan (311) is arranged on one side of the filter box (303). An exhaust pipe (301) is installed at one end of the filter exhaust box (3).

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