A boiler waste heat recovery and recycling device

Abstract

The utility model discloses a boiler waste heat recovery and recycling device, including a bottom plate, a boiler body is fixedly connected to the left side of the top of the bottom plate, a heat preservation box is fixedly connected to the right side of the top of the bottom plate, a water tank is fixedly connected between the top and bottom of the inner cavity of the heat preservation box, a ring pipe is wound around the surface of the water tank, a smoke exhaust pipe is connected to the axis of the top of the boiler body, the side of the smoke exhaust pipe away from the boiler body penetrates into the inner cavity of the heat preservation box, the smoke exhaust pipe is connected to the ring pipe, and the bottom of the left side of the water tank is connected to a pressure pump. The utility model can achieve the purpose of high efficiency and environmental protection through the smoke exhaust pipe, the ring pipe, the water tank, the heat preservation shell, the pressure pump, the conduit, the heat preservation cover, the purification box, the dust filter and the exhaust pipe, and can reduce the heat loss caused by transmission, improve the waste heat recovery efficiency, and can remove the dust particles in the smoke before discharging, which is more environmentally friendly and convenient for people to use.

Description

Technical Field

[0001] The utility model relates to the technical field of boiler waste heat recovery and utilization, in particular to a boiler waste heat recovery and cyclic utilization device. Background Art

[0002] With the sharp rise in the prices of various energy sources, people begin to focus on the operating costs when choosing boilers. Steam boilers are indispensable for production in life, and hot water boilers are indispensable for heating or bathing in hotels, residential areas and bathing centers. The fuel cost of boilers is a very large expense. In order to reduce costs, energy-saving waste heat recovery and recycling devices are produced for use with boilers.

[0003] When the existing waste heat recovery and recycling device is used in conjunction with a boiler, since the flue gas discharged from the boiler contains a large amount of heat, it mainly recycles the heat in the flue gas. However, due to the existence of pipelines, the flue gas loses a large amount of heat when it is transmitted in the pipeline during the waste heat recovery process, resulting in little waste heat recovery effect and reduced efficiency. In addition, the flue gas is directly discharged and contains a large amount of dust particles, which will pollute the atmosphere and bring inconvenience to people's use. A boiler waste heat recovery and recycling device is proposed in a targeted manner. Utility Model Content

[0004] The utility model aims to provide a boiler waste heat recovery and recycling device, which has the advantages of high efficiency and environmental protection.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a boiler waste heat recovery and recycling device, comprising a bottom plate, a boiler body is fixedly connected to the left side of the top of the bottom plate, an insulation box is fixedly connected to the right side of the top of the bottom plate, a water tank is fixedly connected between the top and bottom of the inner cavity of the insulation box, a ring pipe is arranged around the surface of the water tank, a smoke exhaust pipe is connected to the axis of the top of the boiler body, a side of the smoke exhaust pipe away from the boiler body passes through the inner cavity of the insulation box, the smoke exhaust pipe is connected to the ring pipe, and the bottom of the left side of the water tank is connected to A pressure pump, a conduit is connected to the left side of the pressure pump, the side of the conduit away from the pressure pump passes through the left side of the insulation box and is connected to the boiler body, a purification box is fixedly connected to the top of the bottom plate and located on the right side of the insulation box, the side of the ring pipe away from the smoke exhaust pipe passes through the right side of the insulation box and is connected to the purification box, a dust filter is arranged on the top between the two sides of the inner cavity of the purification box, the top of the purification box is connected to an exhaust pipe, the surfaces of the smoke exhaust pipe and the conduit are both covered with insulation covers, and a one-way valve is fixedly connected to the side of the smoke exhaust pipe close to the boiler body.

[0006] As a preferred solution, a water inlet pipe is connected to the left side of the top of the water tank, the top of the water inlet pipe passes through the top of the insulation box, a sealing cover is threadedly connected to the top of the surface of the water inlet pipe, a sealing gasket is provided on the surface of the water inlet pipe, and the sealing gasket is fixedly connected to the insulation box.

[0007] As a preferred solution, both sides of the dustproof filter are fixedly connected with card strips, and the tops of both sides of the inner cavity of the purification box are provided with card slots adapted to the card strips.

[0008] As a preferred solution, a sealing plate is fixedly connected to the front of the purification box by bolts, and mounting holes are provided around the top of the bottom plate.

[0009] As a preferred solution, the right side of the boiler body is connected with a connecting pipe, and the right side of the connecting pipe is fixedly connected with a valve body.

[0010] As a preferred solution, a liquid level detection sensor is fixedly connected to the right side of the top of the insulated box, a detection probe is fixedly connected to the bottom of the liquid level detection sensor, and the bottom of the detection probe penetrates into the inner cavity of the water tank.

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

[0012] 1. The utility model can achieve the purpose of high efficiency and environmental protection through the smoke exhaust pipe, ring pipe, water tank, insulation shell, pressure pump, conduit, insulation sleeve, purification box, dust filter and exhaust pipe, reduce the heat loss caused by transmission, improve the waste heat recovery efficiency, and can remove dust particles in the smoke before discharging, which is more environmentally friendly and convenient for people to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the structure of the utility model;

[0014] Figure 2 It is a schematic diagram of the structure of the utility model;

[0015] Figure 3 It is the front view of the structure of the utility model.

[0016] In the figure: 1. bottom plate; 2. boiler body; 3. insulation box; 4. water tank; 5. ring pipe; 6. exhaust pipe; 7. pressure pump; 8. duct; 9. purification box; 10. dust filter; 11. exhaust pipe; 12. insulation cover; 13. one-way valve; 14. water inlet pipe; 15. sealing plate; 16. mounting hole; 17. liquid level detection sensor; 18. detection probe. DETAILED DESCRIPTION

[0017] 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.

[0018] The base plate 1, boiler body 2, insulation box 3, water tank 4, ring pipe 5, smoke exhaust pipe 6, pressure pump 7, duct 8, purification box 9, dust filter 10, exhaust pipe 11, insulation sleeve 12, one-way valve 13, water inlet pipe 14, sealing plate 15, mounting hole 16, liquid level detection sensor 17 and detection probe 18 of the present application are all universal standard parts or parts known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0019] Embodiment 1:

[0020] See also Figure 1-Figure 3In order to achieve the purpose of high efficiency and environmental protection, the present embodiment provides the following technical solutions, which specifically disclose: comprising a bottom plate 1, a boiler body 2 is fixedly connected to the left side of the top of the bottom plate 1, a connecting pipe is connected to the right side of the boiler body 2, a valve body is fixedly connected to the right side of the connecting pipe, a heat preservation box 3 is fixedly connected to the right side of the top of the bottom plate 1, a water tank 4 is fixedly connected between the top and the bottom of the inner cavity of the heat preservation box 3, a water inlet pipe 14 is connected to the left side of the top of the water tank 4, the top of the water inlet pipe 14 passes through the top of the heat preservation box 3, a sealing cover is threadedly connected to the top of the surface of the water inlet pipe 14, a sealing gasket is sleeved on the surface of the water inlet pipe 14, and the sealing gasket and the heat preservation box 3 are connected. The boxes 3 are fixedly connected, which can facilitate users to replenish water in the water tank 4. A ring pipe 5 is arranged around the surface of the water tank 4. A smoke exhaust pipe 6 is connected to the axis of the top of the boiler body 2. The side of the smoke exhaust pipe 6 away from the boiler body 2 penetrates into the inner cavity of the heat preservation box 3. The smoke exhaust pipe 6 is connected to the ring pipe 5. The bottom of the left side of the water tank 4 is connected to a pressure pump 7. The left side of the pressure pump 7 is connected to a conduit 8. The side of the conduit 8 away from the pressure pump 7 penetrates to the left side of the heat preservation box 3 and is connected to the boiler body 2. A purification box 9 is fixedly connected to the top of the bottom plate 1 and located on the right side of the heat preservation box 3. The front of the purification box 9 is fixedly connected with a sealing The plate 15 and the top of the bottom plate 1 are provided with mounting holes 16 around them, so that the user can clean the dust filter 10 conveniently. The side of the ring pipe 5 away from the exhaust pipe 6 passes through the right side of the insulation box 3 and is connected with the purification box 9. A dust filter 10 is arranged on the top between the two sides of the inner cavity of the purification box 9. The two sides of the dust filter 10 are fixedly connected with card strips. The tops of the two sides of the inner cavity of the purification box 9 are provided with card slots adapted to the card strips. The top of the purification box 9 is connected with an exhaust pipe 11. The surfaces of the exhaust pipe 6 and the conduit 8 are both provided with insulation sleeves 12. The side of the exhaust pipe 6 close to the boiler body 2 is fixedly connected with a one-way valve 13 The flue gas generated by the boiler body 2 enters the annular pipe 5 through the exhaust pipe 6. The annular pipe 5 increases the travel of the flue gas, so that it can fully preheat the water in the water tank 4. After the preheating is completed, the pressure pump 7 is operated, and the water in the water tank 4 flows into the boiler body 2 through the conduit 8. The preheating using the flue gas heat reduces the energy consumption of the boiler body 2 to heat the water to a specified temperature, saving resources. The heat loss is reduced through the insulation box 3 and the insulation sleeve 12, and the waste heat recovery efficiency is improved. The flue gas with recovered waste heat enters the purification box 9, is dust-proof and filtered by the dust filter 10, and is discharged through the exhaust pipe 11, which is more environmentally friendly and convenient for people to use.

[0021] Embodiment 2:

[0022] See also Figure 1-Figure 3In order to facilitate the detection of the liquid level in the water tank 4, the present embodiment provides the following technical solutions, which specifically disclose: a liquid level detection sensor 17 is fixedly connected to the right side of the top of the thermal insulation box 3, and a detection probe 18 is fixedly connected to the bottom of the liquid level detection sensor 17. The bottom of the detection probe 18 penetrates into the inner cavity of the water tank 4. The liquid level in the water tank 4 is accurately detected by the detection probe 18 and the liquid level detection sensor 17, so that the user can replenish the water source in time.

[0023] The working principle of the utility model is as follows: the smoke generated by the boiler body 2 enters the annular pipe 5 through the smoke exhaust pipe 6, and the annular pipe 5 increases the travel of the smoke, so that it can fully preheat the water in the water tank 4. After the preheating is completed, the pressure pump 7 is operated, and the water in the water tank 4 flows into the boiler body 2 through the conduit 8. The use of smoke heat for preheating reduces the energy consumption of the boiler body 2 for heating the water to a specified temperature, saving resources. Through the insulation box 3 and the insulation sleeve 12, the heat loss is reduced, and the waste heat recovery efficiency is improved. The smoke with recovered waste heat enters the purification box 9, is dust-removed by the dust-proof filter 10, and is discharged through the exhaust pipe 11, which is more environmentally friendly and convenient for people to use.

[0024] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. 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, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the 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 element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, 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 a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0025] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (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).

[0026] 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 protection scope 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 boiler waste heat recovery and recycling device, comprising a bottom plate (1), characterized in that: The left side of the top of the bottom plate (1) is fixedly connected to a boiler body (2), the right side of the top of the bottom plate (1) is fixedly connected to an insulation box (3), a water tank (4) is fixedly connected between the top and bottom of the inner cavity of the insulation box (3), a ring tube (5) is wound around the surface of the water tank (4), a smoke exhaust pipe (6) is connected to the axis of the top of the boiler body (2), the side of the smoke exhaust pipe (6) away from the boiler body (2) penetrates into the inner cavity of the insulation box (3), the smoke exhaust pipe (6) and the ring tube (5) are connected, the bottom of the left side of the water tank (4) is connected to a pressure pump (7), the left side of the pressure pump (7) is connected to a conduit (8), the conduit (8) is far away from the boiler body (2), and the conduit (8) is connected to the inner cavity of the insulation box (3). The side away from the pressure pump (7) passes through the left side of the insulation box (3) and is connected to the boiler body (2); the top of the bottom plate (1) and located on the right side of the insulation box (3) is fixedly connected to a purification box (9); the side of the ring pipe (5) away from the smoke exhaust pipe (6) passes through the right side of the insulation box (3) and is connected to the purification box (9); a dust filter (10) is arranged on the top between the two sides of the inner cavity of the purification box (9); the top of the purification box (9) is connected to an exhaust pipe (11); the surfaces of the smoke exhaust pipe (6) and the guide tube (8) are both covered with insulation sleeves (12); and a one-way valve (13) is fixedly connected to the side of the smoke exhaust pipe (6) close to the boiler body (2).

2. A boiler waste heat recovery and recycling device according to claim 1, characterized in that: The left side of the top of the water tank (4) is connected to a water inlet pipe (14), the top of the water inlet pipe (14) penetrates to the top of the heat preservation box (3), the top of the surface of the water inlet pipe (14) is threadedly connected to a sealing cover, the surface of the water inlet pipe (14) is sleeved with a sealing gasket, and the sealing gasket is fixedly connected to the heat preservation box (3).

3. The boiler waste heat recovery and recycling device according to claim 1 is characterized in that: Both sides of the dustproof filter (10) are fixedly connected with clamping strips, and the tops of both sides of the inner cavity of the purification box (9) are provided with clamping grooves adapted to the clamping strips.

4. The boiler waste heat recovery and recycling device according to claim 1 is characterized in that: A sealing plate (15) is fixedly connected to the front of the purification box (9) by means of bolts, and mounting holes (16) are provided on all four sides of the top of the bottom plate (1).

5. The boiler waste heat recovery and recycling device according to claim 1 is characterized in that: The right side of the boiler body (2) is connected to a connecting pipe, and the right side of the connecting pipe is fixedly connected to a valve body.

6. The boiler waste heat recovery and recycling device according to claim 1 is characterized in that: A liquid level detection sensor (17) is fixedly connected to the right side of the top of the thermal insulation box (3), a detection probe (18) is fixedly connected to the bottom of the liquid level detection sensor (17), and the bottom of the detection probe (18) penetrates into the inner cavity of the water tank (4).

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