Tail gas waste heat treatment device

Abstract

The utility model discloses a tail gas waste heat treatment device which comprises a tail gas collecting box, a tail gas collecting box gas inlet hole is formed in the lower portion of one side of the tail gas collecting box, supporting plates are symmetrically and fixedly connected to the lower portion of the interior of the tail gas collecting box, a heating mechanism is arranged above the supporting plates, and a cover plate is fixedly connected to the top of the tail gas collecting box in a sleeved mode. The conical sleeve at one end of the gas inlet pipe is sleeved at the outlet of the pipeline for discharging the tail gas of the boiler, so that when the tail gas of the boiler enters the tail gas collecting box through the gas inlet pipe, the high-temperature tail gas rises gradually, and then the high-temperature tail gas heats the water tank in the tail gas collecting box gradually; heat in tail gas can be sold, so that the tail gas can be quickly transmitted into the water tank, the heating effect is achieved, finally, the tail gas is exhausted through the exhaust hole in the cover plate, and continuous hot water can be provided for other equipment by connecting the water injection pipe and the water drainage pipe to the other equipment, so that the energy recovery effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of energy recovery, in particular to a tail gas waste heat treatment device. Background Art

[0002] However, in the current use of boilers, there are generally problems such as low heat utilization rate, excessive temperature of flue gas waste heat, and poor treatment of exhaust gas. In the past decade, due to energy shortages and with the further development of energy-saving work, various new and energy-saving advanced boilers have become increasingly perfect, and the use of advanced combustion devices has enhanced combustion and reduced incomplete combustion.

[0003] In order to further improve the thermal efficiency of the boiler and achieve the goal of energy saving and consumption reduction, recovering flue gas waste heat is also an important way to save energy. At present, the recovery of boiler tail gas waste heat generally adopts economizer to provide hot water for the boiler, but in fact only a small part of the heat is used, and most of the heat is still discharged with the gas, resulting in energy waste. For this reason, this plan proposes a tail gas waste heat treatment device. Utility Model Content

[0004] The utility model aims to solve the shortcoming of waste of boiler tail gas energy in the prior art and proposes a tail gas waste heat treatment device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The exhaust gas waste heat treatment device includes an exhaust gas collecting box, an exhaust gas collecting box air inlet hole is opened at the lower side of one side of the exhaust gas collecting box, a support plate is symmetrically fixedly connected to the lower part of the interior of the exhaust gas collecting box, a heating mechanism is arranged above the support plate, a cover plate is fixedly sleeved on the top of the exhaust gas collecting box, an air inlet pipe is arranged at the air inlet hole on one side of the exhaust gas collecting box, a conical sleeve is connected to one end of the air inlet pipe, circular holes are symmetrically opened at the upper and lower sides of the other side of the exhaust gas collecting box, a water injection pipe is sleeved at the upper circular hole on the outer side of the support plate, and a drainage pipe is sleeved at the lower circular hole on the outer side of the support plate.

[0007] Preferably, the heating mechanism comprises a water tank, both sides of the water tank are connected with heat sinks by bolts, the bottom of the water tank is connected to the top of the support plate, and circular holes are symmetrically opened above and below one side of the water tank.

[0008] Preferably, support feet are symmetrically connected to the four corners of the bottom of the exhaust gas collection box.

[0009] Preferably, an air outlet is provided on the top of the cover plate, and second fixing blocks are symmetrically connected to both sides of the cover plate, and a second gripping rod is connected between the two second fixing blocks.

[0010] Preferably, first fixing blocks are symmetrically connected to the middle of two sides of the exhaust gas collecting box, and a first gripping rod is connected in the middle of the two first fixing blocks.

[0011] Preferably, one end of the water injection pipe is sleeved with the upper circular hole on one side of the water tank, and one end of the drainage pipe is sleeved with the lower circular hole on one side of the water tank.

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

[0013] By connecting the conical sleeve at one end of the air inlet pipe to the outlet of the boiler exhaust gas pipe, when the boiler exhaust gas enters the exhaust gas collecting box through the air inlet pipe, the high-temperature exhaust gas will gradually rise, and then the high-temperature exhaust gas will gradually heat the water tank in the exhaust gas collecting box, and under the action of the heat sink, the heat in the exhaust gas can be sold and quickly transferred to the water tank, thereby achieving the heating effect. Finally, the exhaust gas is discharged through the exhaust holes on the cover plate. By connecting the water injection pipe and the drain pipe to other equipment, continuous hot water can be provided to other equipment, thereby achieving the effect of energy recovery. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a side structural schematic diagram of the exhaust gas waste heat treatment device proposed by the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the tail gas waste heat treatment device proposed by the utility model from a bottom view;

[0016] Figure 3 This is a schematic diagram of the structure of the heating mechanism of the exhaust gas waste heat treatment device proposed in the utility model;

[0017] Figure 4 This is a schematic cross-sectional structure diagram of the tail gas waste heat treatment device proposed by the utility model.

[0018] In the figure: 1. exhaust gas collecting box; 101. supporting foot; 102. first fixing block; 103. first gripping rod; 2. supporting plate; 3. heating mechanism; 301. water tank; 302. heat sink; 4. cover plate; 401. second fixing block; 402. second gripping rod; 5. air intake pipe; 6. conical sleeve; 7. water injection pipe; 8. drainage pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] Reference Figure 1-4The exhaust gas waste heat treatment device comprises an exhaust gas collecting box 1, an exhaust gas collecting box 1 air inlet hole is provided at the lower part of one side of the exhaust gas collecting box 1, a support plate 2 is symmetrically fixedly connected to the lower part of the interior of the exhaust gas collecting box 1, a heating mechanism 3 is provided above the support plate 2, a cover plate 4 is fixedly sleeved on the top of the exhaust gas collecting box 1, an air inlet pipe 5 is provided at the air inlet hole on one side of the exhaust gas collecting box 1, a conical sleeve 6 is connected to one end of the air inlet pipe 5, circular holes are symmetrically provided at the upper and lower parts of the other side of the exhaust gas collecting box 1, a water injection pipe 7 is sleeved at the upper circular hole on the outer side of the support plate 2, a drainage pipe 8 is sleeved at the lower circular hole on the outer side of the support plate 2, and the heating mechanism 3 comprises a water tank 301, and the two sides of the water tank 301 are connected by bolts. The heat sink 302 and the bottom of the water tank 301 are connected to the top of the support plate 2, and circular holes are symmetrically provided on the upper and lower sides of one side of the water tank 301. The four corners of the bottom of the exhaust gas collecting box 1 are symmetrically connected to the supporting feet 101, and an air outlet is provided on the top of the cover plate 4. The second fixing blocks 401 are symmetrically connected to the two sides of the cover plate 4, and the second gripping rod 402 is connected in the middle of the two second fixing blocks 401. The first fixing blocks 102 are symmetrically connected in the middle of the two sides of the exhaust gas collecting box 1, and the first gripping rod 103 is connected in the middle of the two first fixing blocks 102. One end of the water injection pipe 7 is socketed with the circular hole on the upper side of the water tank 301, and one end of the drainage pipe 8 is socketed with the circular hole on the lower side of the water tank 301, thereby achieving the effect of saving energy.

[0021] The use method and advantages of the utility model: When the tail gas waste heat treatment device is in use, the working process is as follows:

[0022] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, when using the exhaust gas waste heat treatment device, first, the conical sleeve 6 at one end of the intake pipe 5 is connected to the outlet of the boiler exhaust gas pipe. When the boiler exhaust gas enters the exhaust gas collecting box 1 through the intake pipe 5, the high-temperature exhaust gas will gradually rise, and then the high-temperature exhaust gas will gradually heat the water tank 301 in the exhaust gas collecting box 1, and under the action of the heat sink 302, the heat in the exhaust gas can be sold and quickly transferred to the water tank 301, thereby achieving the heating effect. Finally, the exhaust gas is discharged through the exhaust holes on the cover plate 4, and the water injection pipe 7 and the drain pipe 8 are connected to other equipment, so that continuous hot water can be provided to other equipment, thereby achieving the effect of energy recovery.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A tail gas waste heat treatment device, comprising a tail gas collecting box (1), characterized in that: An exhaust gas collection box (1) air inlet hole is provided at the lower part of one side of the exhaust gas collection box (1), a support plate (2) is symmetrically fixedly connected to the lower part of the interior of the exhaust gas collection box (1), a heating mechanism (3) is provided above the support plate (2), a cover plate (4) is fixedly sleeved on the top of the exhaust gas collection box (1), an air inlet pipe (5) is provided at the air inlet hole on one side of the exhaust gas collection box (1), one end of the air inlet pipe (5) is connected to a conical sleeve (6), circular holes are symmetrically provided at the upper and lower parts of the other side of the exhaust gas collection box (1), a water injection pipe (7) is sleeved at the upper circular hole on the outer side of the support plate (2), and a drainage pipe (8) is sleeved at the lower circular hole on the outer side of the support plate (2).

2. The exhaust gas waste heat treatment device according to claim 1, characterized in that: The heating mechanism (3) comprises a water tank (301), both sides of the water tank (301) are connected with heat sinks (302) by bolts, the bottom of the water tank (301) is connected to the top of the support plate (2), and circular holes are symmetrically opened on the upper and lower sides of one side of the water tank (301).

3. The exhaust gas waste heat treatment device according to claim 2, characterized in that: The four corners of the bottom of the exhaust gas collection box (1) are symmetrically connected with support legs (101).

4. The exhaust gas waste heat treatment device according to claim 1, characterized in that: An air outlet is provided at the top of the cover plate (4), and second fixing blocks (401) are symmetrically connected to both sides of the cover plate (4), and a second gripping rod (402) is connected between the two second fixing blocks (401).

5. The exhaust gas waste heat treatment device according to claim 4, characterized in that: First fixing blocks (102) are symmetrically connected to the middle of two sides of the exhaust gas collection box (1), and a first gripping rod (103) is connected in the middle of the two first fixing blocks (102).

6. The exhaust gas waste heat treatment device according to claim 1, characterized in that: One end of the water injection pipe (7) is sleeved with an upper circular hole on one side of the water tank (301), and one end of the drainage pipe (8) is sleeved with a lower circular hole on one side of the water tank (301).

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