Desulfurization catalyst activating and dosing device

Abstract

The utility model discloses a desulfurization catalyst activating and dosing device which comprises a barrel, a stirring rod and a stirring paddle are arranged in the barrel, a feeding pipe, a liquid inlet pipe and an air inlet pipe are arranged at the upper end of the barrel, the upper end of the feeding pipe is communicated with a storage tank, a liquid inlet hopper is arranged at the upper end of the liquid inlet pipe, and one end of the air inlet pipe is communicated with a compressed air tank. A drain pipe is arranged at the lower end of the cylinder. A PDS catalyst in the storage tank enters the barrel along the feeding pipe, ammonia distillation wastewater is injected into the barrel along the liquid inlet hopper and the liquid inlet pipe and used for diluting the PDS catalyst, compressed air in the compressed air tank enters the barrel along the air inlet pipe and used for activating PDS catalyst liquid, and the motor drives the stirring paddle to rotate through the stirring rod. The desulfurization catalyst in the barrel is stirred and activated, and then activated PDS catalyst liquid is discharged into the desulfurization liquid reaction tank along the liquid discharge pipe to participate in the desulfurization process, so that the reaction rate of the desulfurization catalyst is increased, and the desulfurization efficiency is further improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of desulfurization, and in particular relates to a desulfurization catalyst activation and dosing device. Background Art

[0002] Coking plants generate large amounts of sulfur-containing gases during their daily production processes, requiring treatment to prevent atmospheric pollution. To accelerate the treatment of sulfur-containing gases, a desulfurization catalyst is added. Currently, the catalyst is typically added directly to the desulfurization liquid reaction tank, resulting in a slow reaction rate and inefficient desulfurization. Utility Model Content

[0003] In order to solve the above problems, the utility model provides a desulfurization catalyst activation and dosing device.

[0004] The utility model is realized as follows: a desulfurization catalyst activation and dosing device comprises a cylinder body, the upper end of the cylinder body is provided with a motor, the cylinder body is vertically provided with a stirring rod, the upper end of the stirring rod is connected to the transmission shaft of the motor, the lower end of the stirring rod is provided with a stirring paddle, the motor drives the stirring paddle to rotate through the stirring rod, and the desulfurization catalyst in the cylinder body is stirred and activated, and a feeding pipe is vertically provided through the upper end of the cylinder body, the upper end of the feeding pipe is connected with the storage tank, a certain weight of PDS catalyst is placed in the storage tank, the lower end of the feeding pipe is located at the bottom of the cylinder body, a feeding valve is provided on the feeding pipe located between the storage tank and the cylinder body, and the feeding valve is opened, the PDS catalyst in the storage tank enters the cylinder body along the feeding pipe, the upper end of the cylinder body is provided with a liquid inlet pipe, and the upper end of the liquid inlet pipe is provided with a liquid inlet hopper, a certain amount of evaporated ammonia wastewater is injected into the cylinder body along the liquid inlet hopper and the liquid inlet pipe for diluting PDS DS catalyst, the liquid inlet pipe is provided with a liquid inlet valve to control the injection process of ammonia wastewater, the upper end of the cylinder is provided with an air inlet pipe, the other end of the air inlet pipe is connected to the compressed air tank, the compressed air in the compressed air tank enters the cylinder along the air inlet pipe, and is used to activate the PDS catalyst liquid, the air inlet pipe is provided with an air inlet valve to control the injection process of compressed air, the liquid inlet pipe and one end of the air inlet pipe are connected to the inside of the cylinder, the lower end of the cylinder is provided with a drain pipe, the drain pipe is provided with a drain valve and a metering pump, the metering pump is connected to the drain valve, the end of the drain pipe is connected to the desulfurization liquid reaction tank, the drain valve is opened, the activated catalyst liquid in the cylinder is discharged into the desulfurization liquid reaction tank along the drain pipe to participate in the desulfurization process, the amount of the activated PDS catalyst liquid is measured by the metering pump, and when the amount of the activated PDS catalyst liquid meets the use requirements, the drain valve is closed.

[0005] Preferably, a heating pipe is provided on the inner wall of the cylinder to heat the PDS catalyst liquid to prevent the PDS catalyst liquid in the cylinder from freezing when the external ambient temperature is too low in winter, thereby affecting its use.

[0006] Preferably, liquid outlet pipes are provided at the upper and lower parts of the side walls of the cylinder, and a tempered glass tube is provided outside the cylinder. Both ends of the tempered glass tube are connected to the liquid outlet pipe to form a communicating vessel structure, thereby facilitating observation of the liquid level in the cylinder and knowing the amount of PDS catalyst liquid in the cylinder.

[0007] Preferably, a cover is movably provided on the upper end of the storage tank, which is convenient for opening and putting the PDS catalyst into the storage tank, and also protects the PDS catalyst in the storage tank.

[0008] The beneficial effects of the utility model are as follows: the PDS catalyst in the storage tank enters the cylinder along the feed pipe, the ammonia wastewater is injected into the cylinder along the liquid inlet hopper and the liquid inlet pipe to dilute the PDS catalyst, the compressed air in the compressed air tank enters the cylinder along the air inlet pipe to activate the PDS catalyst liquid, the motor drives the stirring paddle to rotate through the stirring rod to stir and activate the desulfurization catalyst in the cylinder, and then the activated PDS catalyst liquid is discharged into the desulfurization liquid reaction tank along the discharge pipe to participate in the desulfurization process, thereby improving the reaction rate of the desulfurization catalyst and thus improving the desulfurization efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a structural diagram of the utility model;

[0010] In the figure: 1. Cylinder; 2. Motor; 3. Stirring rod; 4. Stirring paddle; 5. Feed pipe; 6. Storage tank; 7. Feed valve; 8. Liquid inlet pipe; 9. Liquid inlet hopper; 10. Liquid inlet valve; 11. Air inlet pipe; 12. Compressed air tank; 13. Air inlet valve; 14. Drain pipe; 15. Drain valve; 16. Metering pump; 17. Desulfurization liquid reaction tank; 18. Heating tube; 19. Liquid outlet pipe; 20. Tempered glass tube; 21. Cover plate. DETAILED DESCRIPTION

[0011] In order to more clearly understand the technical solution of the present invention, the present invention is further described below with reference to the accompanying drawings.

[0012] like Figure 1The desulfurization catalyst activation and dosing device shown includes a cylinder 1, a motor 2 is provided at the upper end of the cylinder 1, a stirring rod 3 is vertically provided in the cylinder 1, the upper end of the stirring rod 3 is connected to the transmission shaft of the motor 2, and the lower end of the stirring rod 3 is provided with a stirring paddle 4. The motor 2 drives the stirring paddle 4 to rotate through the stirring rod 3 to stir and activate the desulfurization catalyst in the cylinder 1. A feed pipe 5 is vertically provided through the upper end of the cylinder 1, and the upper end of the feed pipe 5 is connected to the storage tank 6. A certain weight of PDS catalyst is placed in the storage tank 6. A cover plate 21 is movably provided at the upper end of the storage tank 6, which is convenient for opening and putting the PDS catalyst into the storage tank 6, and also protects the PDS catalyst in the storage tank 6. The PDS catalyst is a mixture of phthalocyanine cobalt sulfonate compounds, and its main component is binuclear phthalocyanine cobalt sulfonate. The lower end of the feed pipe 5 is located at the bottom of the cylinder 1, and a feed valve 7 is provided on the feed pipe 5 between the storage tank 6 and the cylinder 1. When the feed valve 7 is opened, the PDS catalyst in the storage tank 6 enters the cylinder 1 along the feed pipe 5. The upper end of the cylinder 1 is provided with a liquid inlet pipe 8, and the upper end of the liquid inlet pipe 8 is provided with a liquid inlet hopper 9. A certain amount of evaporated ammonia wastewater is injected into the cylinder 1 along the liquid inlet hopper 9 and the liquid inlet pipe 8 to dilute the PDS catalyst. The liquid inlet pipe 8 is provided with a liquid inlet valve 10 to control the injection process of the evaporated ammonia wastewater. The upper end of the cylinder 1 is provided with an air inlet pipe 11, and the other end of the air inlet pipe 11 is connected to the compressed air tank 12. The compressed air in the compressed air tank 12 enters the cylinder 1 along the air inlet pipe 11 to activate The PDS catalyst liquid is activated, and an air intake valve 13 is provided on the air intake pipe 11 to control the injection process of compressed air. The liquid inlet pipe 8 and one end of the air inlet pipe 11 are connected to the interior of the cylinder 1, and a drain pipe 14 is provided at the lower end of the cylinder 1. A drain valve 15 and a metering pump 16 are provided on the drain pipe 14. The metering pump 16 is connected to the drain valve 15. The end of the drain pipe 14 is connected to the desulfurization liquid reaction tank 17. When the drain valve 15 is opened, the activated catalyst liquid in the cylinder 1 is discharged into the desulfurization liquid reaction tank 17 along the drain pipe 14 to participate in the desulfurization process. The amount of the activated PDS catalyst liquid is measured by the metering pump 16. When the amount of the activated PDS catalyst liquid meets the use requirements, the drain valve 15 is closed.

[0013] A heating pipe 18 is provided on the inner wall of the cylinder 1 to heat the PDS catalyst liquid to prevent the PDS catalyst liquid in the cylinder 1 from freezing when the external ambient temperature is too low in winter, thereby affecting its use.

[0014] A liquid outlet pipe 19 is provided at the upper and lower parts of the side wall of the cylinder 1, and a tempered glass tube 20 is provided outside the cylinder 1. The two ends of the tempered glass tube 20 are connected to the liquid outlet pipe 19 to form a communicating vessel structure, thereby facilitating the observation of the liquid level in the cylinder 1 and knowing the amount of PDS catalyst liquid in the cylinder 1.

[0015] The above description is only a preferred embodiment of the present invention. Therefore, any equivalent changes or modifications made according to the structure, features and principles described in the scope of the present invention patent application are included in the scope of the present invention patent application.

Claims

1. A desulfurization catalyst activation and dosing device, comprising a cylinder, a motor is provided at the upper end of the cylinder, a stirring rod is vertically provided in the cylinder, the upper end of the stirring rod is connected to the transmission shaft of the motor, and a stirring paddle is provided at the lower end of the stirring rod, characterized in that: A feed pipe is vertically arranged through the upper end of the cylinder, the upper end of the feed pipe is connected with the storage tank, the lower end of the feed pipe is located at the bottom of the cylinder, and a feed valve is provided on the feed pipe located between the storage tank and the cylinder, the upper end of the cylinder is provided with a liquid inlet pipe, the upper end of the liquid inlet pipe is provided with a liquid inlet hopper, the liquid inlet valve is provided on the liquid inlet pipe, the upper end of the cylinder is provided with an air inlet pipe, the other end of the air inlet pipe is connected with the compressed air tank, the air inlet valve is provided on the air inlet pipe, one end of the liquid inlet pipe and the air inlet pipe are connected with the inside of the cylinder, the lower end of the cylinder is provided with a drain pipe, the drain pipe is provided with a drain valve and a metering pump, the metering pump is connected to the drain valve, and the end of the drain pipe is connected to the desulfurization liquid reaction tank.

2. A desulfurization catalyst activation and dosing device according to claim 1, characterized in that: A heating tube is arranged on the inner wall of the cylinder.

3. A desulfurization catalyst activation and dosing device according to claim 1, characterized in that: Liquid outlet pipes are arranged at the upper and lower parts of the side wall of the cylinder, and a tempered glass tube is arranged outside the cylinder. Both ends of the tempered glass tube are connected to the liquid outlet pipes.

4. A desulfurization catalyst activation and dosing device according to claim 1, characterized in that: A cover plate is movably provided on the upper end of the storage tank.

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