Heating box for heating harmful flue gas

Abstract

The utility model discloses a heating box for heating harmful flue gas, which comprises a heating box body, a plurality of heat insulation plates are fixedly mounted in the heating box body and form a snake-shaped channel, a plurality of heating pipes are fixedly mounted in the heating box body, each heating pipe is arranged in the snake-shaped channel, and the heat insulation plates are arranged in the snake-shaped channel. When the device is used, operation is easy, the heat insulation plates, the heating pipes and other devices are arranged, the multiple heat insulation plates form a snakelike channel, the circulation time of smoke in the device is prolonged, the smoke is fully reacted, the size of the device is reduced, meanwhile, the heat conduction pipes, the heat conduction rings and the heat absorption pipes are arranged, and the heat conduction efficiency is improved. The heat exchanger, the water tank and other devices further recycle the gas heat of the air outlet, the gas heat can be used for preheating the flue gas, meanwhile, the water in the water tank is used for recycling the residual heat, and meanwhile, the water can be used for cleaning the heating box body or other scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of heating boxes, in particular to a heating box for heating and treating harmful flue gas. Background Technique

[0002] Nowadays, since the waste incineration technology can simply and quickly realize the reduction, harmlessness and resource utilization of domestic waste. In the past decade or so, more and more cities in China have adopted this method to treat domestic waste. At the same time, the treatment and emission of harmful flue gas after waste incineration have also become the focus of general concern.

[0003] Existing harmful flue gas usually adopts high-temperature heating to make the harmful components inside it undergo chemical reactions quickly, and then turn into gases that are harmless and odorless to the human body. However, existing equipment is usually large in volume and occupies a lot of space. At the same time, when the air outlet of the heating box draws out the flue gas, it will take away the internal heat of the heating box synchronously, causing heat loss inside the heating box, and there is no recycling of these lost heats, resulting in waste of energy. Content of the Utility Model

[0004] The purpose of the utility model is to solve the problems in the background technique, and to propose a heating box for heating and treating harmful flue gas.

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

[0006] A heating box for heating and treating harmful flue gas, including a heating box body. A plurality of heat insulation plates are fixedly installed in the heating box body, and the plurality of heat insulation plates form a serpentine channel. A plurality of heating tubes are fixedly installed in the heating box body, and each heating tube is in the serpentine channel. An air inlet is fixedly installed at the bottom surface of the heating box body, and the heating box body is communicated with the air inlet. A preheating cylinder is communicated outside the air inlet. An induced draft fan is installed on the top surface of the heating box body, and the induced draft fan is communicated with the heating box body. The other end of the induced draft fan is installed with an air outlet. A heat absorption tube is fixedly installed on the top surface of the heating box body, and the other end of the heat absorption tube extends into the air outlet. The heat absorption tube is connected with a plurality of heat conduction tubes. A heat conduction tube is installed in the air inlet, and the heat conduction tube is connected with a heat conduction ring. A water tank is fixedly installed on the top surface of the heating box body. A heat recovery mechanism is installed between the air outlet and the water tank.

[0007] Preferably, the heat recovery mechanism includes a plurality of heat exchangers, and each heat exchanger is fixedly installed in the water tank. One end of each heat exchanger extends into the air outlet. A water inlet pipe and a water outlet pipe are respectively communicated with the water tank.

[0008] Preferably, a plurality of heat insulation layers are laid in the heating box body, and each heat conduction tube is located between the plurality of heat insulation layers.

[0009] Preferably, a plurality of air inlet ports are fixedly installed on the outer side of the heating box body, and a drain port is fixedly installed on the outer side of the heating box body.

[0010] Preferably, heat insulation sleeves are installed on the exposed parts of the heat absorption tubes and the heat exchangers.

[0011] Preferably, the water inlet pipe is installed on the top surface of the water tank, and the water outlet pipe is installed on the side surface of the water tank.

[0012] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0013] 1. By setting devices such as heat insulation plates and heating tubes, the present utility model realizes heating the inside of the heating box to a high temperature through the heating tubes, and then extending the flow time of the flue gas in the device through the serpentine channels formed by multiple heat insulation plates, making the reaction more sufficient and reducing the volume of the device.

[0014] 2. By setting devices such as heat conduction tubes, heat conduction rings, and heat absorption tubes, the present utility model realizes absorbing the heat of the gas at the air outlet through the heat absorption tubes, and heating the preheating cylinder through the heat conduction rings and heat conduction tubes, thereby preheating the flue gas.

[0015] 3. By setting devices such as heat exchangers and water tanks, the present utility model realizes absorbing the temperature of the air outlet through multiple heat exchangers and heating the water in the water tank, facilitating the recovery and utilization of the remaining heat of the gas at the air outlet, and at the same time, the water can be used for cleaning the heating box body or other scenarios.

[0016] In summary, when the present utility model is in use, the operation is simple. By setting devices such as heat insulation plates and heating tubes, the serpentine channels formed by multiple heat insulation plates extend the flow time of the flue gas in the device, making the flue gas react fully and reducing the volume of the device. At the same time, by setting devices such as heat conduction tubes, heat conduction rings, heat absorption tubes, heat exchangers, and water tanks, the heat of the gas at the air outlet is further recovered and utilized, which can be used for preheating the flue gas treatment. At the same time, the remaining heat is recovered and utilized through the water in the water tank, and the water can be used for cleaning the heating box body or other scenarios. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 FIG. is a schematic structural diagram of a heating box for heating and treating harmful flue gas proposed by the present utility model;

[0018] Figure 2 FIG. is a schematic top view structure diagram of a heating box for heating and treating harmful flue gas proposed by the present utility model;

[0019] Figure 3 This is a schematic diagram of the heat conduction mechanism structure of a heating box for heating harmful smoke proposed by the utility model;

[0020] Figure 4 The utility model discloses a schematic diagram of the inner wall structure of a heating box for heating harmful smoke.

[0021] In the figure: 1 heating box, 2 preheating cylinder, 3 air inlet, 4 heat insulation board, 5 heating pipe, 6 air supply port, 7 water outlet, 8 induced draft fan, 9 water tank, 10 water inlet pipe, 11 water outlet pipe, 12 air outlet, 13 heat exchanger, 14 heat absorption pipe, 15 heat conduction pipe, 16 heat conduction ring, 17 insulation layer. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figures 1-4 A heating box for heating harmful flue gas comprises a heating box body 1, and a plurality of air supply ports 6 are fixedly installed on the outside of the heating box body 1. Gas can be added to the heating box body 1 through the air supply ports 6 to change the gas flow pattern in the box, thereby optimizing the temperature distribution and making the flue gas heated more evenly. At the same time, the air supply ports 6 can also introduce specific gases to promote the reaction so as to purify the flue gas more effectively. A drainage port 7 is fixedly installed on the outside of the heating box body 1 to facilitate the subsequent cleaning of the inside of the heating box body 1. A plurality of heat insulation boards 4 are fixedly installed in the heating box body 1, and the plurality of heat insulation boards 4 form a serpentine channel. A plurality of heating pipes 5 are fixedly installed in the heating box body 1, and each heating pipe 5 The tubes 5 are all in the serpentine channel, an air inlet 3 is fixedly installed on the bottom surface of the heating box 1, and the heating box 1 is connected to the air inlet 3, and the outside of the air inlet 3 is connected to the preheating cylinder 2, and an induced draft fan 8 is installed on the top surface of the heating box 1, and the induced draft fan 8 is connected to the heating box 1, and an air outlet 12 is installed on the other end of the induced draft fan 8, and a heat absorption pipe 14 is fixedly installed on the top surface of the heating box 1, and the other end of the heat absorption pipe 14 extends to the air outlet 12. It is worth noting that the serpentine channel formed by the multiple insulation boards 4, and then the flue gas circulates in the serpentine channel, prolonging the circulation time of the flue gas in the heating box 1, making the heating more sufficient and the purification more thorough, while reducing the volume of the device;

[0024] The heat absorption tube 14 is connected with a plurality of heat conduction tubes 15. A plurality of layers of heat insulation layers 17 are laid in the heating box body 1 to lock the temperature of the heating box body 1. Each heat conduction tube 15 is located between the plurality of layers of heat insulation layers 17, so that heat exchange is carried out between the part of the heat conduction tube 15 and the heating box body 1 and the outside, ensuring the temperature of the heat conduction tube 15. A heat conduction tube 15 is installed in the air inlet 3, and the heat conduction tube 15 is connected with the heat conduction ring 16. A water inlet pipe 10 and a water outlet pipe 11 are respectively communicated with the water tank 9. The water tank 9 is fixedly installed on the top surface of the heating box body 1. The water inlet pipe 10 is installed on the top surface of the water tank 9, and the water outlet pipe 11 is installed on the side surface of the water tank 9. Furthermore, the temperature of the air outlet 12 is absorbed through the heat absorption tube 14 and transferred to the heat conduction ring 16 through the heat conduction tube 15 to preheat the flue gas;

[0025] Heat insulation sleeves are installed on the parts of the heat absorption tube 14 and the heat exchanger 13 that are exposed outside. A heat recovery mechanism is installed between the air outlet 12 and the water tank 9. The heat recovery mechanism includes a plurality of heat exchangers 13, and each heat exchanger 13 is fixedly installed in the water tank 9. One end of each heat exchanger 13 extends into the air outlet 12. It is worth noting that the temperature of the gas in the air outlet 12 can be transferred into the water tank 9 through the plurality of heat exchangers 13, and then the water in the water tank 9 is heated. The water source can be used for cleaning the inside of the heating box body 1 or for other scenarios, and the heat in the water tank 9 is recycled.

[0026] When the utility model is in use, flue gas is injected into the heating box body 1 through the air inlet 3. Under the action of a plurality of heating tubes 5, the heating box body 1 is heated to a high temperature, and the flow time of the flue gas in the heating box body 1 is extended through the serpentine channel composed of a plurality of heat insulation plates 4, thereby increasing the purification degree of the flue gas, enabling it to fully react, and at the same time reducing the volume of the device;

[0027] Then, the gas in the heating box body 1 is drawn out through the induced draft fan 8 and transmitted to the air outlet 12. One end of the heat absorption tube 14 extends into the air outlet 12. Furthermore, the temperature of the flue gas in the air outlet 12 is absorbed through the heat absorption tube 14 and transferred to the heat conduction ring 16 through the heat conduction tube 15, and then the preheating cylinder 2 is heated to preheat the flue gas;

[0028] And a plurality of heat exchangers 13 extend into the air outlet 12, and then the temperature can be recycled. The temperature is transferred into the water tank 9 through the heat exchangers 13 to heat the water, and the heated water can be used to clean the heating box body 1 or other scenarios.

[0029] The above are only the preferred specific embodiments of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution and the inventive concept of the present utility model, making equivalent substitutions or changes should be covered within the protection scope of the present utility model.

Claims

1. A heating box for heating harmful smoke, comprising a heating box body (1), characterized in that: A plurality of heat insulation boards (4) are fixedly installed in the heating box (1), and the plurality of heat insulation boards (4) form a serpentine channel. A plurality of heating tubes (5) are fixedly installed in the heating box (1), and each heating tube (5) is in the serpentine channel. An air inlet (3) is fixedly installed on the bottom surface of the heating box (1), and the heating box (1) is connected to the air inlet (3). The outside of the air inlet (3) is connected to a preheating cylinder (2). An induced draft fan (8) is installed on the top surface of the heating box (1), and the induced draft fan (8) is connected to the heating box (1). The other end of the induced draft fan (8) is provided with an air outlet (12); a heat absorption pipe (14) is fixedly installed on the top surface of the heating box body (1), and the other end of the heat absorption pipe (14) extends into the air outlet (12); the heat absorption pipe (14) is connected to a plurality of heat conduction pipes (15); a heat conduction pipe (15) is installed in the air inlet (3), and the heat conduction pipe (15) is connected to a heat conduction ring (16); a water tank (9) is fixedly installed on the top surface of the heating box body (1), and a heat recovery mechanism is installed between the air outlet (12) and the water tank (9).

2. A heating box for heating harmful smoke according to claim 1, characterized in that: The heat recovery mechanism comprises a plurality of heat exchangers (13), and each heat exchanger (13) is fixedly mounted in a water tank (9), one end of each heat exchanger (13) extends into an air outlet (12), and the water tank (9) is respectively connected to a water inlet pipe (10) and a water outlet pipe (11).

3. A heating box for heating harmful smoke according to claim 2, characterized in that: Multiple layers of thermal insulation layers (17) are laid inside the heating box (1), and each heat conduction pipe (15) is located between the multiple layers of thermal insulation layers (17).

4. A heating box for heating harmful smoke according to claim 3, characterized in that: A plurality of air supply ports (6) are fixedly mounted on the outside of the heating box (1), and a water discharge port (7) is fixedly mounted on the outside of the heating box (1).

5. A heating box for heating harmful smoke according to claim 4, characterized in that: The heat absorbing pipe (14) and the exposed portions of the heat exchanger (13) are both installed with insulation sleeves.

6. A heating box for heating harmful smoke according to claim 5, characterized in that: The water inlet pipe (10) is installed on the top surface of the water tank (9), and the water outlet pipe (11) is installed on the side of the water tank (9).

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