Safe preheating device for heat storage combustion of organic waste gas

Abstract

The utility model belongs to the technical field of waste gas treatment devices, and particularly relates to a heat storage combustion organic waste gas safety preheating device which comprises a heat storage box, a lower box body is fixedly installed at the bottom of the heat storage box and communicated with the heat storage box, a plurality of sets of preheating chambers are annularly formed in the heat storage box, heat storage bodies are arranged in the preheating chambers, and a box cover is arranged at the top of the heat storage box. According to the organic waste gas heat storage box, organic waste gas is conveyed into the heat storage box through the gas inlet pipe, the organic waste gas is heated through the combustor, high-temperature gas generated through oxidation flows through the heat storage body, the heat storage body is heated through the gas inlet pipe, and the heat storage body is heated through the gas inlet pipe. When the organic waste gas passes through the heat accumulator, the heat accumulator transmits heat of the ceramic to the organic waste gas, the organic waste gas is used as a heat exchanger carrier through the heat accumulator, heat exchange is conducted repeatedly, and therefore fuel consumption of waste gas heating is saved, and the operation cost is reduced.

Description

Technical Field

[0001] This utility model relates to the technical field of waste gas treatment equipment, specifically a regenerative combustion organic waste gas safety preheating device. Background Technology

[0002] Currently, industries such as chemical engineering, printing and dyeing, petroleum, pesticides, metallurgy, coating, and chemical vapor deposition all generate a certain amount of organic waste gas. This organic waste gas has complex components and poses a significant threat to human health. If it is not completely purified before being released into the atmosphere, it will cause persistent environmental pollution that is difficult to manage. Therefore, organic waste gas must be completely purified before it is allowed to be discharged into the environment.

[0003] The existing technology has the following shortcomings;

[0004] Existing organic waste gas preheating devices have complex processes, low efficiency, require a large amount of energy, and have high waste gas treatment costs. Furthermore, during the preheating process, improper temperature control can easily lead to explosions, posing safety hazards. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a safe preheating device for regenerative combustion of organic waste gas, thereby solving the problems mentioned in the background section.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a safe preheating device for regenerative combustion of organic waste gas, comprising a heat storage box, a lower box body fixedly installed at the bottom of the heat storage box and interconnected with it, multiple preheating chambers arranged in a ring inside the heat storage box, a heat storage body provided inside the preheating chamber, a box cover provided at the top of the heat storage box, an exhaust pipe fixedly installed at the top of the box cover, an air inlet pipe fixedly installed on one side of the lower box body, and a dust removal port provided at the front end of the lower box body.

[0007] As a preferred embodiment of this utility model, the heat storage body is made of honeycomb ceramic material, and the outer surface of the heat storage body is integrally formed with multiple sets of spirally arranged connecting strips, and the inner wall of the preheating chamber is provided with multiple sets of connecting grooves adapted to the connecting strips.

[0008] As a preferred embodiment of this utility model, the top of the preheating chamber is provided with an installation groove, and the interior of the installation groove is provided with a connecting ring that is fixedly connected to the heat storage body. The interior of the connecting ring is provided with a temperature sensor.

[0009] As a preferred embodiment of this utility model, the box cover has a connecting hole at the position corresponding to the connecting ring, a cover plate is fixedly installed on the top of the connecting ring, the cover plate is located above the connecting hole and is fixedly connected to the box cover by bolts, and a through hole is provided on the connecting ring.

[0010] As a preferred technical solution of this utility model, the bottom end of the exhaust pipe extends through the cover plate to the position of the connecting ring, and ventilation holes are provided at the corresponding through holes of the exhaust pipe and the mounting groove.

[0011] As a preferred embodiment of this utility model, a handle is fixedly installed on the top of the cover plate, and the cover plate is fixedly connected to the temperature sensor.

[0012] As a preferred embodiment of this utility model, a control box is fixedly installed on the top of the lower housing, a burner is fixedly installed on the side of the lower housing away from the air inlet pipe, a concentration sensor is fixedly installed on the air inlet pipe, and the control box is electrically connected to the burner, the concentration sensor, and the temperature sensor respectively.

[0013] Compared with the prior art, this utility model provides a safe preheating device for regenerative combustion of organic waste gas, which has the following beneficial effects:

[0014] 1. This regenerative combustion organic waste gas safety preheating device delivers organic waste gas to the interior of the heat storage box through an inlet pipe, and heats the organic waste gas through a burner. The high-temperature gas generated by oxidation flows through the heat storage body, causing the ceramic body to heat up and store heat. When the organic waste gas passes through the heat storage body, the heat storage body transfers the heat of the ceramic to the organic waste gas. The organic waste gas repeatedly exchanges heat through the heat storage body as a heat exchange carrier, thereby saving fuel consumption for heating the waste gas and reducing operating costs.

[0015] 2. This regenerative combustion organic waste gas safety preheating device, during use, uses temperature sensors and concentration sensors to detect the temperature inside the preheating chamber and the waste gas concentration inside the inlet pipe, respectively, and transmits the data to the control box. The control box controls the operating status of the burner based on the data detected by the temperature sensors and concentration sensors, preventing the risk of explosion due to excessively high temperature inside the preheating chamber. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the top structure of the heat storage body of this utility model;

[0018] Figure 3 This is a schematic diagram of the internal structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the heat storage body structure of this utility model.

[0020] In the diagram: 1. Heat storage box; 101. Box cover; 102. Connecting hole; 2. Lower box body; 201. Air inlet pipe; 202. Burner; 203. Concentration sensor; 204. Ash removal port; 3. Preheating chamber; 301. Connecting groove; 302. Mounting groove; 4. Heat storage body; 401. Connecting ring; 402. Through hole; 403. Connecting strip; 5. Cover plate; 501. Handle; 6. Exhaust pipe; 601. Ventilation hole; 7. Temperature sensor; 8. Control box. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 In this embodiment: a heat storage combustion organic waste gas safety preheating device includes a heat storage box 1, a lower box 2 fixedly installed at the bottom of the heat storage box 1 and connected to each other, a plurality of preheating chambers 3 are arranged in a ring inside the heat storage box 1, a heat storage body 4 is provided inside the preheating chamber 3, a box cover 101 is provided at the top of the heat storage box 1, an exhaust pipe 6 is fixedly installed at the top of the box cover 101, an air inlet pipe 201 is fixedly installed on one side of the lower box 2, and a dust removal port 204 is provided at the front end of the lower box 2.

[0023] In this embodiment, the heat storage body 4 is made of honeycomb ceramic material. The outer surface of the heat storage body 4 is integrally formed with multiple sets of spirally arranged connecting strips 403. The inner wall of the preheating chamber 3 is provided with multiple sets of connecting grooves 301 that are adapted to the connecting strips 403. The organic waste gas is transported to the interior of the heat storage box 1 through the air inlet pipe 201 and heated by the burner 202. The high-temperature gas generated by oxidation flows through the heat storage body 4, which heats up the ceramic body and stores heat. When the organic waste gas passes through the heat storage body 4, the heat storage body 4 transfers the heat of the ceramic to the organic waste gas. The organic waste gas repeatedly exchanges heat through the heat storage body 4 as a heat exchange carrier, thereby saving fuel consumption for heating the waste gas and reducing operating costs.

[0024] In this embodiment, the top of the preheating chamber 3 is provided with an installation groove 302. The inside of the installation groove 302 is provided with a connecting ring 401 that is fixedly connected to the heat storage body 4. The inside of the connecting ring 401 is provided with a temperature sensor 7. The heat storage body 4 is installed inside the preheating chamber 3 by the cooperation of the connecting groove 301 and the connecting strip 403. The cover plate 5 is fixed to the top of the box cover 101 by bolts to fix the heat storage body 4. When replacing the heat storage body 4, the bolts are rotated in the opposite direction and the cover plate 5 is rotated to make the connecting strip 403 disengage from the connecting groove 301 and the heat storage body 4 is taken out.

[0025] In this embodiment, the cover 101 has a connecting hole 102 at the position corresponding to the connecting ring 401. The top of the connecting ring 401 is fixedly installed with a cover plate 5. The cover plate 5 is located above the connecting hole 102 and is fixedly connected to the cover 101 by bolts. The connecting ring 401 has a through hole 402.

[0026] In this embodiment, the bottom end of the exhaust pipe 6 extends through the cover plate 5 to the position of the connecting ring 401, and ventilation holes 601 are provided in both the exhaust pipe 6 and the mounting groove 302 at the positions corresponding to the through holes 402.

[0027] In this embodiment, a handle 501 is fixedly installed on the top of the cover plate 5, and the cover plate 5 is fixedly connected to the temperature sensor 7.

[0028] In this embodiment, a control box 8 is fixedly installed on the top of the lower housing 2, and a burner 202 is fixedly installed on the side of the lower housing 2 away from the air inlet pipe 201. A concentration sensor 203 is fixedly installed on the air inlet pipe 201. The control box 8 is electrically connected to the burner 202, the concentration sensor 203, and the temperature sensor 7. During use, the temperature sensor 7 and the concentration sensor 203 detect the temperature inside the preheating chamber 3 and the exhaust gas concentration inside the air inlet pipe 201, respectively, and transmit the data to the control box 8. The control box 8 controls the operating status of the burner 202 based on the data detected by the temperature sensor 7 and the concentration sensor 203 to prevent the risk of explosion due to excessively high temperature inside the preheating chamber 3.

[0029] The working principle and usage process of this utility model are as follows: In use, organic waste gas is transported to the interior of the heat storage box 1 through the air inlet pipe 201, and the organic waste gas is heated by the burner 202. The high-temperature gas generated by oxidation flows through the heat storage body 4, which heats up and stores heat in the ceramic body. When the organic waste gas passes through the heat storage body 4, the heat storage body 4 transfers the heat of the ceramic to the organic waste gas. The organic waste gas repeatedly exchanges heat through the heat storage body 4 as a heat exchange carrier. After the organic waste gas is preheated, the organic gas is transmitted to the exhaust pipe 6 through the through hole 402 and discharged.

[0030] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A regenerative combustion organic waste gas safety preheating device, comprising a heat storage box (1), characterized in that: The bottom of the heat storage box (1) is fixedly installed with a lower box body (2) and connected to each other. The heat storage box (1) has multiple preheating chambers (3) arranged in a ring inside. The preheating chamber (3) is equipped with a heat storage body (4). The top of the heat storage box (1) is equipped with a box cover (101). The top of the box cover (101) is fixedly installed with an exhaust pipe (6). The side of the lower box body (2) is fixedly installed with an air inlet pipe (201), and the front end of the lower box body (2) is equipped with a dust removal port (204).

2. The regenerative combustion organic waste gas safety preheating device according to claim 1, characterized in that: The heat storage body (4) is made of honeycomb ceramic material. The outer surface of the heat storage body (4) is integrally formed with multiple sets of spirally arranged connecting strips (403). The inner wall of the preheating chamber (3) is provided with multiple sets of connecting grooves (301) that are adapted to the connecting strips (403).

3. The regenerative combustion organic waste gas safety preheating device according to claim 1, characterized in that: The top of the preheating chamber (3) is provided with an installation groove (302), and the inside of the installation groove (302) is provided with a connecting ring (401) that is fixedly connected to the heat storage body (4). The inside of the connecting ring (401) is provided with a temperature sensor (7).

4. The regenerative combustion organic waste gas safety preheating device according to claim 1, characterized in that: The box cover (101) has a connecting hole (102) at the position corresponding to the connecting ring (401). A cover plate (5) is fixedly installed on the top of the connecting ring (401). The cover plate (5) is located above the connecting hole (102) and is fixedly connected to the box cover (101) by bolts. A through hole (402) is provided on the connecting ring (401).

5. The regenerative combustion organic waste gas safety preheating device according to claim 1, characterized in that: The bottom end of the exhaust pipe (6) extends through the cover plate (5) to the position of the connecting ring (401), and ventilation holes (601) are provided at the positions of the exhaust pipe (6) and the mounting groove (302) corresponding to the through hole (402).

6. The regenerative combustion organic waste gas safety preheating device according to claim 5, characterized in that: A handle (501) is fixedly installed on the top of the cover plate (5), and the cover plate (5) is fixedly connected to the temperature sensor (7).

7. The regenerative combustion organic waste gas safety preheating device according to claim 1, characterized in that: The control box (8) is fixedly installed on the top of the lower housing (2). The burner (202) is fixedly installed on the side of the lower housing (2) away from the air inlet pipe (201). The concentration sensor (203) is fixedly installed on the air inlet pipe (201). The control box (8) is electrically connected to the burner (202), the concentration sensor (203), and the temperature sensor (7), respectively.

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