Pharmaceutical and chemical RTO (Regenerative Thermal Oxidation) device

Abstract

The utility model discloses a pharmaceutical chemical RTO device, and particularly relates to the technical field of RTO furnaces, the pharmaceutical chemical RTO device comprises an upper furnace body and a plurality of lower furnace bodies, the plurality of lower furnace bodies and the upper furnace body are integrally arranged, the bottom end of each lower furnace body is provided with an externally-hung supporting platform, the inner side of each externally-hung supporting platform is provided with two rows of flue gas pipelines, and the flue gas pipelines are communicated with the upper furnace body and the lower furnace body. A plurality of three-way pipelines are connected between the two rows of flue gas pipelines, the plurality of three-way pipelines are respectively connected to the bottom ends of the plurality of lower furnace bodies, external hanging type lifting valves connected with the three-way pipelines are mounted on the flue gas pipelines, and the external hanging type lifting valves are positioned on the two sides of the bottom of the lower furnace bodies. According to the utility model, through the external hanging type design of the lifting valve, liquid accumulation is avoided, so that the contact area between a corrosive medium and a material is reduced, the corrosion is slowed down, the service life of equipment is prolonged, the failure rate of the equipment is reduced, and the practicability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of RTO furnaces, and more specifically, to a pharmaceutical and chemical RTO device. Background Art

[0002] Regenerative Thermal Oxidizer is also called Regenerative Thermal Oxidizer, or RTO for short. The working principle of RTO is to heat the organic waste gas to above 760℃ with a residence time of >0.5sec, so that the VOC in the waste gas is oxidized and decomposed into harmless CO2 and H2O; the heat of the high-temperature gas during oxidation is "stored" by the regenerative body and used to preheat the newly entered organic waste gas, thereby saving the fuel consumption required for heating and reducing operating costs.

[0003] Figure 1 It is a traditional horizontal RTO furnace structure. However, due to the particularity of raw materials produced in the medical industry, corrosive media are prone to exist in the accumulated liquid during and after the incineration process. The horizontal RTO furnace body is prone to cause corrosion of equipment pipelines. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a pharmaceutical and chemical RTO device, comprising an upper furnace body and a plurality of lower furnace bodies, wherein the plurality of lower furnace bodies and the upper furnace body are integrated, an externally mounted support platform is installed at the bottom end of the lower furnace body, two rows of flue gas ducts are arranged on the inner side of the externally mounted support platform, a plurality of three-way pipelines are connected between the two rows of flue gas ducts, the plurality of three-way pipelines are respectively connected to the bottom ends of the plurality of lower furnace bodies, an externally mounted lifting valve connected to the three-way pipeline is installed on the flue gas pipeline, and the externally mounted lifting valve is located on both sides of the bottom of the lower furnace body.

[0005] In a preferred embodiment, an inspection door and a burner interface flange are installed on the outer wall of the upper furnace body, and a high-temperature bypass pipe and an observation port sleeve are installed at the end of the upper furnace body.

[0006] In a preferred embodiment, a back-purge pipeline is provided on the outside of the external support platform, and a plurality of purge connecting pipes are connected to the back-purge pipeline. The purge connecting pipes extend to the inside of the external support platform and communicate with the three-way pipeline.

[0007] In a preferred embodiment, the external lifting valve is used to control the on-off state between the flue gas duct and the three-way pipeline.

[0008] Technical effects and advantages of the utility model:

[0009] The utility model adopts the external hanging design of the lifting valve to avoid liquid accumulation and reduce the contact area between the corrosive medium and the material, so as to slow down the occurrence of corrosion, extend the service life of the equipment, reduce the failure rate of the equipment and improve the practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 This is a schematic diagram of the overall structure of a traditional horizontal RTO furnace;

[0011] Figure 2 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 3 This is a schematic structural diagram of the utility model from another angle.

[0013] Explanation of the accompanying reference numerals: 1 upper furnace body, 2 lower furnace body, 3 external support platform, 4 flue gas duct, 5 three-way pipeline, 6 external lift valve, 7 inspection door, 8 burner interface flange, 9 high-temperature bypass pipe, 10 observation port sleeve, 11 back-purge pipe, 12 purge connecting pipe, 13 stroke cylinder, 14 valve stem, 15 external sealing barrel, 16 sealing valve plate, 17 inner sealing ring. DETAILED DESCRIPTION

[0014] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations are obvious to those of ordinary skill in the art. The embodiments are selected and described in order to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific purposes.

[0015] like Figure 1-3 A pharmaceutical chemical RTO device shown in the figure comprises an upper furnace body 1 and a plurality of lower furnace bodies 2, wherein the plurality of lower furnace bodies 2 and the upper furnace body 1 are integrally arranged, an external hanging support platform 3 is installed at the bottom end of the lower furnace body 2, two rows of flue gas pipes 4 are arranged on the inner side of the external hanging support platform 3, a plurality of three-way pipes 5 are connected between the two rows of flue gas pipes 4, and the plurality of three-way pipes 5 are respectively connected to the bottom ends of the plurality of lower furnace bodies 2, and external hanging lift valves 6 connected to the three-way pipes 5 are installed on the flue gas pipes 4, and the external hanging lift valves 6 are located on both sides of the bottom of the lower furnace body 2;

[0016] An inspection door 7 and a burner interface flange 8 are installed on the outer wall of the upper furnace body 1, and a high-temperature bypass pipe 9 and an observation port sleeve 10 are installed at the end of the upper furnace body 1. The inspection door 7 is used for maintenance and inspection of the interior of the upper furnace body 1, and a plurality of temperature sensors are installed on the upper furnace body 1 to obtain real-time temperature information inside the upper furnace body 1.

[0017] A back-purge pipe 11 is arranged on the outside of the external support platform 3, and a plurality of purge connecting pipes 12 are connected to the back-purge pipe 11. The purge connecting pipes 12 extend to the inside of the external support platform 3 and are connected to the three-way pipe 5. The back-purge pipe 11 can back-purge and clean the three-way pipe 5, the flue gas pipe and the inside of the furnace body after working for a long time to avoid blockage of equipment pipeline components.

[0018] The external lifting valve 6 is used to control the on-off state between the flue gas pipeline 4 and the three-way pipeline 5;

[0019] Furthermore, the external poppet valve 6 includes a cylinder base fixed on the outer wall of the flue gas pipe 4, a stroke cylinder 13 is installed on the cylinder base, a telescopic valve stem 14 is connected to the output end of the stroke cylinder 13, and an outer sealing barrel 15 is embedded on the outer wall of the flue gas pipe 4 above the cylinder base, the valve stem 14 penetrates the outer sealing barrel 15 and extends to the inside of the flue gas pipe 4, and an inner sealing ring 17 embedded on the inner wall of the flue gas pipe 4 is provided at the end of the three-way pipe 5 connected to the flue gas pipe 4, the valve stem 14 extends to one side of the inner sealing ring 17, and a sealing valve plate 16 matching the inner sealing ring 17 is sleeved on the outside of the valve stem 14;

[0020] On the basis of the above, when working, incineration is completed in the upper furnace body 1 and the lower furnace body 2, and the exhaust gas enters the flue gas pipe 4 from the three-way pipe 5 at the bottom of the lower furnace body 2 and is discharged. The entire three-way pipe 5 and the flue gas pipe 4 are externally mounted below the lower furnace body 2, and an externally mounted lifting valve 6 is arranged on the outside. The externally mounted lifting valve design avoids liquid accumulation to reduce the contact area between the corrosive medium and the material, so as to slow down the occurrence of corrosion;

[0021] When the external lifting valve 6 is working, the stroke cylinder 13 can drive the valve stem 14 to move in the flue gas duct 4, so that the sealing valve plate 16 on the valve stem 14 is displaced, and the position relationship between the valve stem 14 and the inner sealing ring 17 is changed, thereby realizing the change and adjustment of the on-off relationship between the three-way pipeline 5 and the inner sealing ring 17.

[0022] Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without creative work should fall within the scope of protection of the present invention. Structures, devices and operating methods not specifically described and explained in the present invention shall be implemented according to conventional means in the field unless otherwise specified and limited.

Claims

1. A pharmaceutical chemical RTO device comprises an upper furnace body and a plurality of lower furnace bodies, wherein the plurality of lower furnace bodies and the upper furnace body are integrated, an external hanging support platform is installed at the bottom end of the lower furnace body, two rows of flue gas pipes are arranged on the inner side of the external hanging support platform, a plurality of three-way pipes are connected between the two rows of flue gas pipes, the plurality of three-way pipes are respectively connected to the bottom ends of the plurality of lower furnace bodies, an external hanging lift valve connected to the three-way pipe is installed on the flue gas pipe, and the external hanging lift valve is located on both sides of the bottom of the lower furnace body.

2. A pharmaceutical and chemical RTO device according to claim 1, characterized in that: An inspection door and a burner interface flange are installed on the outer wall of the upper furnace body, and a high-temperature bypass pipe and an observation port sleeve are installed on the end of the upper furnace body.

3. A pharmaceutical and chemical RTO device according to claim 1, characterized in that: A back-purge pipeline is arranged on the outside of the external support platform, and a plurality of purge connecting pipes are connected to the back-purge pipeline. The purge connecting pipes extend to the inside of the external support platform and are connected to the three-way pipeline.

4. A pharmaceutical and chemical RTO device according to claim 1, characterized in that: The external lifting valve is used to control the on-off state between the smoke duct and the three-way pipeline.

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