Hazardous waste catalyst calcining furnace

Abstract

The utility model discloses a hazardous waste catalyst calcining furnace, which comprises a calcining furnace main body, the bottom exhaust end of the calcining furnace main body is hermetically connected with a waste gas treatment machine tank through a waste gas discharge pipe, and the gas outlet end of the waste gas treatment machine tank is provided with a gas concentration sensor. The gas outlet end of the waste gas treatment machine tank is in sealed connection with a gas pump through a gas conveying pipeline, a gas flowmeter is installed outside the sealed cavity, the interior of the sealed cavity is in sealed connection with a gas-liquid reaction tank through an exhaust branch pipe, and a stirring driving motor is installed at the top end of the exterior of the gas-liquid reaction tank. According to the utility model, the hazardous waste catalyst is subjected to high-temperature calcination operation, waste gas generated by the hazardous waste catalyst is subjected to centralized treatment, the waste gas treatment machine tank is used for adsorbing, filtering and removing the waste gas, and meanwhile, residual waste gas emissions are conveyed into the gas-liquid reaction tank and are promoted to fully contact and react with a reaction solution under the action of the stirring driving motor; therefore, the effect of deeply treating the waste gas is achieved, and the effects of environmental protection and pollution-free emission are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of calcining furnaces, in particular to a hazardous waste catalyst calcining furnace. Background Art

[0002] Calcining furnace is a thermal equipment that heat treats carbon raw materials (such as coke, anthracite, etc.) at high temperature to improve the properties of raw materials. It is used for ironmaking, recycling rare metals, catalyst production, environmental improvement, and production of special chemicals. After calcining, most of the water and volatiles in the raw materials are removed, the volume shrinks, and the density, strength and conductivity increase accordingly.

[0003] The Chinese authorized patent document with publication number CN216557139U discloses a hazardous waste burner, including a mounting tube, the four corners of the lower end face of the mounting tube are fixedly connected to support columns, the lower end of the middle part of the mounting tube is rotatably connected to a connecting pipe, the upper end of the connecting pipe is connected to a solenoid valve, the upper end of the outer end of the connecting pipe is fixedly connected to a burner body, the upper rear end of the left upper part of the inner cavity wall of the mounting tube is fixedly connected to a fixing plate, the right side of the fixing plate is respectively rotatably connected to a left rotating shaft and a right rotating shaft, and the rear right side of the upper end of the mounting tube is connected to a feed pipe. The utility model relates to the field of hazardous waste treatment, and the hazardous waste burner solves the problems of the existing hazardous waste burners that are inconvenient to flip and stir the burning hazardous waste, the hazardous waste is not fully burned, and it is inconvenient to discharge the burned hazardous waste.

[0004] The above-mentioned prior art does not effectively treat the waste gas generated after the calcination of hazardous waste catalysts, which may easily lead to waste gas emission pollution problems. Therefore, it is necessary to develop a new type of hazardous waste catalyst calcination furnace to solve the above-mentioned technical problems. Utility Model Content

[0005] The utility model aims to provide a hazardous waste catalyst calcining furnace to solve the problem that the prior art proposed in the above background technology does not effectively treat the waste gas generated after the hazardous waste catalyst calcination, which easily leads to waste gas emission pollution.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hazardous waste catalyst calcining furnace, comprising a calcining furnace body, the bottom exhaust end of the calcining furnace body is sealed and connected to a waste gas treatment machine tank through a waste gas exhaust pipe, the gas outlet end of the waste gas treatment machine tank is provided with a gas concentration sensor, the gas outlet end of the waste gas treatment machine tank is sealed and connected to an exhaust pump through a gas transmission pipeline, a switch control valve is installed on the gas transmission pipeline, the exhaust end of the exhaust pump is provided with a sealed chamber, a gas flow meter is installed outside the sealed chamber, the inside of the sealed chamber is sealed and connected to a gas-liquid reaction tank through an exhaust branch pipe, and a stirring drive motor is installed at the external top position of the gas-liquid reaction tank.

[0007] Based on the above, a sealing furnace cover is installed on the upper end of the calcining furnace body, and a sealing buckle is provided between the sealing furnace cover and the calcining furnace body.

[0008] Based on the above, an air pressure monitoring gauge is installed on the upper end of the sealed furnace cover, the interior of the air pressure monitoring gauge is connected to the interior of the calcining furnace body through a pressure measuring coil, and the side surface of the sealed furnace cover is connected to the calcining furnace body through a hinge fixing mechanism.

[0009] Based on the above, an activated carbon filter device is arranged inside the exhaust gas treatment tank.

[0010] Based on the above, the liquid outlet end of the gas-liquid reaction tank is connected to a liquid discharge pump through a pipeline, and a liquid discharge pipeline is installed at one end of the liquid discharge pump.

[0011] Based on the above, a high temperature resistant glass fiber liner structure is arranged inside the calcining furnace body.

[0012] Based on the above, a gas neutralization reaction reagent is arranged inside the gas-liquid reaction tank, and the output end of the stirring drive motor is connected to a stirring rod arranged inside the gas-liquid reaction tank through a rotating shaft.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model performs a high-temperature calcination operation on hazardous waste catalysts and centrally treats the waste gas generated thereby, utilizes a waste gas treatment tank to adsorb, filter and remove the waste gas, and simultaneously transports the remaining waste gas emissions to a gas-liquid reaction tank, where a stirring drive motor is used to cause the waste gas to fully contact and react with a reaction solution, thereby achieving the effect of deep waste gas treatment, and having the effects of being green, environmentally friendly and pollution-free. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a side structural schematic diagram of the utility model;

[0017] Figure 3 It is a schematic diagram of the rear end structure of the utility model.

[0018] In the figure: 1. hinge fixing mechanism; 2. stirring drive motor; 3. gas-liquid reaction tank; 4. exhaust branch pipe; 5. gas flow meter; 6. sealed chamber; 7. vacuum pump; 8. gas pipeline; 9. switch control valve; 10. gas concentration sensor; 11. air pressure monitoring meter; 12. sealed furnace cover; 13. sealing buckle; 14. calcining furnace body; 15. exhaust pipe; 16. exhaust treatment tank; 17. drainage pump; 18. drainage pipeline. 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] See also Figure 1-3 The utility model provides an embodiment: a hazardous waste catalyst calcining furnace, including a calcining furnace body 14, the bottom exhaust end of the calcining furnace body 14 is sealed and connected to a waste gas treatment machine tank 16 through a waste gas exhaust pipe 15, the gas outlet end of the waste gas treatment machine tank 16 is provided with a gas concentration sensor 10, the gas outlet end of the waste gas treatment machine tank 16 is sealed and connected to an exhaust pump 7 through a gas transmission pipeline 8, a switch control valve 9 is installed on the gas transmission pipeline 8, a sealed chamber 6 is provided at the exhaust end of the exhaust pump 7, a gas flowmeter 5 is installed outside the sealed chamber 6, the inside of the sealed chamber 6 is sealed and connected to a gas-liquid reaction tank 3 through an exhaust branch pipe 4, and a stirring drive motor 2 is installed at the external top position of the gas-liquid reaction tank 3.

[0021] Furthermore, a sealing furnace cover 12 is installed at the upper end of the calcining furnace body 14 , and a sealing buckle 13 is provided between the sealing furnace cover 12 and the calcining furnace body 14 , so as to facilitate the reinforcement and sealing protection of the sealing furnace cover 12 .

[0022] Furthermore, an air pressure monitoring gauge 11 is installed at the upper end of the sealed furnace cover 12, which is convenient for real-time monitoring of the internal air pressure of the calcining furnace body 14. The interior of the air pressure monitoring gauge 11 is connected to the interior of the calcining furnace body 14 through a pressure measuring coil, and the side surface of the sealed furnace cover 12 is connected to the calcining furnace body 14 through a hinge fixing mechanism 1, which has a good sealing and fixing protection effect.

[0023] Furthermore, an activated carbon filter device is provided inside the exhaust gas treatment tank 16 to facilitate preliminary adsorption, filtration and removal of the exhaust gas.

[0024] Furthermore, the liquid outlet end of the gas-liquid reaction tank 3 is connected to a liquid discharge pump 17 via a pipeline, and a liquid discharge pipe 18 is installed at one end of the liquid discharge pump 17 .

[0025] Furthermore, a high temperature resistant glass fiber liner structure is arranged inside the calcining furnace body 14, which has a good high temperature resistant heat insulation protection effect.

[0026] Furthermore, a gas neutralization reaction reagent is arranged inside the gas-liquid reaction tank 3, and the output end of the stirring drive motor 2 is connected to the stirring rod arranged inside the gas-liquid reaction tank 3 through a rotating shaft. Under the action of the stirring drive motor, it is prompted to fully contact and react with the reaction solution, thereby achieving the effect of deep treatment of exhaust gas, and has the effects of green environmental protection and pollution-free emission.

[0027] Working principle: When in use, a sealed furnace cover 12 is installed on the upper end of the calcining furnace body 14, and a sealing buckle 13 is arranged between the sealed furnace cover 12 and the calcining furnace body 14, so as to facilitate the reinforcement and sealing protection of the sealed furnace cover 12, open the sealed furnace cover 12, put the hazardous waste catalyst to be treated into the calcining furnace body 14 for calcining, and then seal the sealed furnace cover 12, the bottom exhaust end of the calcining furnace body 14 is sealed and connected to the exhaust gas treatment machine tank 16 through the exhaust gas exhaust pipe 15, and the exhaust gas treatment machine tank 16 is provided with an activated carbon filter element device, so as to facilitate the preliminary adsorption, filtration and removal of the exhaust gas, and the exhaust end of the exhaust gas treatment machine tank 16 is provided with a gas concentration sensor 10, and the gas concentration sensor 10 is used to monitor the gas concentration of the exhaust gas, and the exhaust end of the exhaust gas treatment machine tank 16 is sealed and connected to the vacuum pump 7 through the gas transmission pipeline 8, and the exhaust of the vacuum pump 7 A sealed chamber 6 is provided at the gas end, and a gas flowmeter 5 is installed outside the sealed chamber 6. The gas flowmeter 5 is used to monitor the exhaust gas flow in real time. The interior of the sealed chamber 6 is sealed and connected to the gas-liquid reaction tank 3 through the exhaust branch pipe 4. Under the action of the vacuum pump 7, the gas is discharged into the gas-liquid reaction tank 3 for further treatment. A gas neutralization reaction reagent is provided inside the gas-liquid reaction tank 3. The output end of the stirring drive motor 2 is connected to the stirring rod arranged inside the gas-liquid reaction tank 3 through a rotating shaft. Under the action of the stirring drive motor, it is prompted to fully contact and react with the reaction solution, thereby achieving the effect of deep treatment of the exhaust gas, and has the effects of green environmental protection and pollution-free emission. The liquid outlet end of the gas-liquid reaction tank 3 is connected to a drainage pump 17 through a pipeline, and a drainage pipe 18 is installed at one end of the drainage pump 17. Finally, the reacted liquid is discharged through the drainage pipe 18.

[0028] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0029] The standard parts used in this application document can all be purchased from the market, and the specific connection methods of each part are connected by conventional means such as mature bolts, rivets, welding, etc. in the prior art. In addition, the machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, so no specific description is given here.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A hazardous waste catalyst calcining furnace, comprising a calcining furnace body (14), characterized in that: The exhaust end at the bottom of the calcining furnace body (14) is sealedly connected to a waste gas treatment machine tank (16) via a waste gas exhaust pipe (15); a gas concentration sensor (10) is provided at the exhaust end of the waste gas treatment machine tank (16); the exhaust end of the waste gas treatment machine tank (16) is sealedly connected to an exhaust pump (7) via a gas transmission pipeline (8); a switch control valve (9) is installed on the gas transmission pipeline (8); a sealed chamber (6) is provided at the exhaust end of the exhaust pump (7); a gas flow meter (5) is installed outside the sealed chamber (6); the inside of the sealed chamber (6) is sealedly connected to a gas-liquid reaction tank (3) via an exhaust branch pipe (4); a stirring drive motor (2) is installed at the top end of the outside of the gas-liquid reaction tank (3).

2. A hazardous waste catalyst calcining furnace according to claim 1, characterized in that: A sealing furnace cover (12) is installed at the upper end of the calcining furnace body (14), and a sealing buckle (13) is provided between the sealing furnace cover (12) and the calcining furnace body (14).

3. A hazardous waste catalyst calcining furnace according to claim 2, characterized in that: An air pressure monitoring gauge (11) is installed at the upper end of the sealed furnace cover (12); the interior of the air pressure monitoring gauge (11) is connected to the interior of the calcining furnace body (14) via a pressure measuring coil; and the side surface of the sealed furnace cover (12) is connected to the calcining furnace body (14) via a hinge fixing mechanism (1).

4. A hazardous waste catalyst calcining furnace according to claim 1, characterized in that: An activated carbon filter element device is arranged inside the exhaust gas treatment tank (16).

5. The hazardous waste catalyst calcining furnace according to claim 1, characterized in that: The liquid outlet end of the gas-liquid reaction tank (3) is connected to a liquid discharge pump (17) via a pipeline, and a liquid discharge pipeline (18) is installed at one end of the liquid discharge pump (17).

6. The hazardous waste catalyst calcining furnace according to claim 1, characterized in that: A high temperature resistant glass fiber liner structure is arranged inside the calcining furnace body (14).

7. The hazardous waste catalyst calcining furnace according to claim 1, characterized in that: A gas neutralization reaction reagent is arranged inside the gas-liquid reaction tank (3), and the output end of the stirring drive motor (2) is connected to a stirring rod arranged inside the gas-liquid reaction tank (3) via a rotating shaft.

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