CN209752781U - Production device for flue gas sulfur transfer auxiliary agent - Google Patents

Abstract

The utility model discloses a production device for flue gas sulfur transfer auxiliary agent, which comprises an upper mixing cylinder and a lower mixing cylinder. The upper mixing cylinder is fixed side by side with a premixing chamber, and a vertical shaft with a stirring blade is arranged in the premixing chamber. The feeding pipe is fixed on the outer side of the top plate of the mixing chamber, and the lower part of the two pre-mixing chambers is provided with a discharge area, and a movable groove is opened between the discharge regions, and there is a stopper in the sliding limit of the movable groove, and the upper end of the stopper is connected with a screw ; The rotation of the lower part of the upper mixing cylinder is limited by a first horizontal axis, and the rotation of the lower mixing cylinder is limited by a second horizontal axis, and the first and second horizontal axes are powered by a drive motor. The utility model pre-mixes the raw materials by setting four pre-mixing chambers, and the pre-mixed liquid enters the lower mixing cylinder for mixing to avoid agglomeration and ensure mixing efficiency; the pre-mixing chamber and the lower mixing cylinder can be continuously stirred to achieve continuous For production, the discharge area and the discharge pipe are opened intermittently to realize intermittent discharge and reclaim, which is suitable for industrial production.

Description

A production device for flue gas sulfur transfer aid

technical field

The utility model relates to the technical field of flue gas sulfur transfer auxiliary agent production, in particular to a production device for flue gas sulfur transfer auxiliary agent.

Background technique

At present, domestic treatment methods for SO _x emissions from catalytic cracking regenerators include: 1) Flue gas scrubbing; 2) Hydrogenation of feedstock oil; 3) Use of sulfur transfer agents. Because the use of sulfur transfer agent requires almost no equipment investment and low operating costs, the sulfur transfer agent method for SO _x removal has become the best choice for refineries. Catalytic cracking flue gas sulfur transfer additive is an additive used to reduce SO _x emissions from catalytic cracking regenerated flue gas to air pollution. The main function of sulfur transfer additive is to transfer SO _x It is converted into H ₂ S and enters the dry gas, and then converted into sulfur for recovery through the sulfur recovery unit. Catalytic cracking flue gas sulfur transfer additive does not need to modify the existing equipment, and does not need to greatly change the operating conditions, and can also recover sulfur. It is an environmentally friendly method for controlling SO _x emissions, which can effectively improve the economic benefits of enterprises. and social benefits.

In the preparation process of the existing flue gas sulfur transfer aid, it is necessary to use a mixing container to stir and mix the raw materials. However, due to the relatively small content of some raw materials in the formula, they are prone to agglomeration when they meet water after being added to the mixing container, which affects the overall performance. Mixing effect, it takes longer to mix well. Therefore, it is necessary to improve the traditional mixing container for the production of flue gas sulfur transfer additives, so that it can avoid the agglomeration of raw materials with less content, ensure the mixing effect, and improve the mixing efficiency.

Utility model content

The purpose of the utility model is to overcome the above-mentioned problems existing in the prior art, and provide a production device for flue gas sulfur transfer auxiliary agent.

In order to achieve the above-mentioned technical purpose and achieve the above-mentioned technical effect, the utility model is realized through the following technical solutions:

A production device for a flue gas sulfur transfer aid, comprising an upper mixing cylinder and a lower mixing cylinder, the upper mixing cylinder and the lower mixing cylinder are sealed and connected by a flange structure, and four preset Mixing chamber, the pre-mixing chamber is provided with a vertical shaft with stirring blades, the rotation of the upper end of the vertical shaft is limited in the positioning block located on the inner wall of the top plate of the pre-mixing chamber, and the lower end passes through the bottom plate of the pre-mixing chamber and is fixed with a conical gear, the outer side of the top plate of the premixing chamber is fixed with a feed pipe, two adjacent premixing chambers form a group, and the lower part of the two premixing chambers is provided with a discharge area, and the discharge area is evenly distributed There are sieve holes, and a movable groove is opened between the two opposite discharge areas. The sliding limit in the movable groove is a block capable of blocking the screen holes of the discharge area. The upper end of the block is rotatably connected with a screw , the upper end of the screw runs through the upper mixing barrel and is fixed with a rotating handle, and the solid substrate between the two pre-mixing chambers in a group is located above the movable groove and provided with a threaded hole matched with the screw;

The rotation of the lower part of the upper mixing cylinder is limited by a first horizontal shaft, on which four conical mating gears are fixed, and the conical mating gears mesh with the corresponding bevel gears; the lower mixing Rotation in the barrel is limited by a second horizontal shaft, a ribbon agitator is fixed on the second horizontal shaft, a drive motor is fixed on the outside of the lower mixing barrel, and a drive gear is fixed on the output shaft of the drive motor. The driving gear is provided with two gear parts, one of which is in transmission connection with the upper driven gear at the outer end of the first horizontal shaft through an upper transmission belt, and the other gear part is in transmission connection with the lower driven gear at the outer end of the second horizontal shaft through a lower transmission belt .

Further, in the above-mentioned production device of flue gas sulfur transfer aid, the shell of the upper mixing cylinder is in the shape of a cuboid, the upper part of the lower mixing cylinder is in the shape of a cuboid, and the lower part is in the shape of a horizontal semi-cylindrical structure.

Further, in the above-mentioned production device of flue gas sulfur transfer aid, a bracket is fixed at the bottom end of the lower mixing cylinder, and a discharge pipe is fixed at the lower part of the side end.

Further, in the production device of the above-mentioned flue gas sulfur transfer aid, the inner wall of one side plate of the upper mixing cylinder is fixed with a positioning block that cooperates with the first horizontal shaft, and the other side plate is equipped with a positioning block that cooperates with the first horizontal shaft. Shaft seal; the inner wall of one side plate of the lower mixing cylinder is fixed with a positioning block matching with the second horizontal shaft, and the other side plate is equipped with a shaft seal matching with the second horizontal shaft.

Further, in the production device of the above-mentioned flue gas sulfur transfer aid, the movable groove leaves a space for the stopper to slide upwards to expose the sieve holes in the discharge area.

Further, in the above-mentioned production device of flue gas sulfur transfer aid, the pre-mixing chamber is a cylindrical structure, and the two sides of the stopper are provided with inner notches matching the outer wall of the cylindrical structure.

Further, in the above-mentioned production device of flue gas sulfur transfer aid, the central angle corresponding to the area occupied by the discharge area is 20-30°.

Further, in the production device of the above-mentioned flue gas sulfur transfer aid, the stopper is formed by combining two blocks, the upper parts of the two blocks are provided with limited turning grooves, and the lower end of the screw rod is provided with two A T-shaped rotor clamped by a limiting slot.

The beneficial effects of the utility model are:

The utility model has a reasonable structural design. The raw materials are premixed by setting four premixing chambers in the upper mixing cylinder, and the premixed liquid enters the lower mixing cylinder for further mixing. In this way, the agglomeration phenomenon can be effectively avoided and the mixing efficiency can be ensured. The stirring power in the pre-mixing chamber and the lower mixing barrel is provided by the external drive motor, which can be continuously stirred to realize continuous production, and the discharge area and discharge pipe are opened intermittently to realize intermittent discharge and reclaim, which is suitable for industrial production.

Certainly, implementing any product of the present utility model does not necessarily need to achieve all the above advantages simultaneously.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings required for the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the top view structure schematic diagram of the middle and upper mixing cylinder of the present utility model;

Fig. 3 is the front structural schematic diagram of the discharge area and the block in the utility model;

Fig. 4 is the top view structure diagram of the discharge area and the block in the utility model;

In the accompanying drawings, the list of parts represented by each label is as follows:

1-upper mixing barrel, 2-lower mixing barrel, 3-premixing chamber, 4-vertical shaft, 5-feeding pipe, 6-discharging area, 7-movable tank, 8-block, 9-screw, 10 -Turning handle, 11-first horizontal shaft, 12-second horizontal shaft, 13-ribbon agitator, 14-drive motor, 15-upper transmission belt, 16-upper driven gear, 17-lower transmission belt, 18- Lower driven gear, 19-discharge pipe.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-4, this embodiment is a production device for flue gas sulfur transfer aids, including an upper mixing cylinder 1 and a lower mixing cylinder 2, and the upper mixing cylinder 1 and the lower mixing cylinder 2 are sealed by a flange structure connect. Four pre-mixing chambers 3 are fixed side by side on the upper part of the upper mixing drum 1. A vertical shaft 4 with stirring blades is arranged in the pre-mixing chamber 3. The rotation of the upper end of the vertical shaft 4 is limited by a positioning block located on the inner wall of the top plate of the pre-mixing chamber 3. , the lower end runs through the bottom plate of the pre-mixing chamber 3 and is fixed with bevel gears. A feed pipe 5 is fixed on the outside of the top plate of the pre-mixing chamber 3, and two adjacent pre-mixing chambers 3 form a group, and the lower part of the two pre-mixing chambers 3 is provided with a discharge area 6, and the discharge area 6 is evenly distributed with screens. hole. There is a movable groove 7 between the two opposite discharge areas 6, and the sliding limit in the movable groove 7 is a block 8 capable of blocking the sieve hole of the discharge area 6, and the upper end of the block 8 is connected with a screw 9, and the screw 9 The upper end of the upper end passes through the upper mixing cylinder 1 and is fixed with a rotating handle 10 . The solid base between the two pre-mixing chambers 3 in one group is located above the movable groove 7 and provided with a threaded hole matched with the screw rod 9 .

The rotation of the lower part of the upper mixing cylinder 1 is limited by a first horizontal shaft 11 on which four conical mating gears are fixed, and the conical mating gears mesh with the corresponding bevel gears to form a bevel steering gear set. According to requirements, a sealing cover can be arranged on the outside of the bevel steering gear set, and a shaft through hole is opened on the sealing cover. Rotation is restricted in the lower mixing drum 2 by a second horizontal shaft 12 on which a ribbon agitator 13 is fixed. The outside of the lower mixing cylinder 2 is fixed with a driving motor 14, the output shaft of the driving motor 14 is fixed with a driving gear, and the driving gear is provided with two gear parts, one of which passes through the upper transmission belt 15 and the upper slave of the outer end of the first horizontal shaft 11. The driving gear 16 is in transmission connection, and the other gear part is in transmission connection with the lower driven gear 18 at the outer end of the second horizontal shaft 12 through the lower transmission belt 17 .

The shell of the upper mixing tube 1 is in the shape of a cuboid, the upper part of the lower mixing tube 2 is in the shape of a cuboid, and the lower part is in the shape of a horizontal semi-cylindrical structure. The bottom end of the lower mixing cylinder 2 is fixed with a support, and the lower part of the side end is fixed with a discharge pipe 19 . A positioning block cooperating with the first transverse shaft 11 is fixed on the inner wall of one side plate of the upper mixing cylinder 1, and a shaft seal cooperating with the first transverse shaft is installed on the other side plate. A positioning block cooperating with the second transverse shaft 12 is fixed on the inner wall of one side plate of the lower mixing cylinder 2 , and a shaft seal cooperating with the second transverse shaft 12 is installed on the other side plate.

Movable groove 7 leaves the space that stopper slides upwards to expose discharge area 6 sieve holes. The pre-mixing chamber 2 has a cylindrical structure, and both sides of the block 8 are provided with inner notches matching the outer wall of the cylindrical structure. The central angle corresponding to the area occupied by the discharge area 6 is 20-30°. The stopper 8 is formed by combining two blocks, the upper parts of the two blocks are provided with limiting turning grooves, and the lower end of the screw rod 9 is provided with a T-shaped turning head clamped by the two limiting turning grooves.

A specific application of this embodiment is: the structural design of this embodiment is reasonable, the raw materials are premixed by setting four premixing chambers 3 in the upper mixing cylinder 1, and the premixed liquid enters the lower mixing cylinder 1 for further mixing. In this way, the agglomeration phenomenon can be effectively avoided and the mixing efficiency can be guaranteed; the stirring power in the pre-mixing chamber 3 and the lower mixing cylinder 1 is provided by the drive motor 14 on the outside, which can keep stirring to realize continuous production, and the discharge area 6 and the discharge area The pipe 19 is opened intermittently to realize intermittent discharging and reclaiming, which is suitable for industrialized production.

In the description of this specification, descriptions referring to the terms "one embodiment", "example", "specific example" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in the description of the present invention. In at least one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not exhaust all details, nor do they limit the utility model to the specific implementations described. Obviously, many modifications and variations can be made based on the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that those skilled in the art can well understand and utilize the utility model. The invention is to be limited only by the claims and their full scope and equivalents.

Claims (8)

1. A production device for a flue gas sulfur transfer aid, comprising an upper mixing cylinder and a lower mixing cylinder, the upper mixing cylinder and the lower mixing cylinder are sealed and connected by a flange structure, and it is characterized in that: the upper part of the upper mixing cylinder Four pre-mixing chambers are fixed side by side. A vertical shaft with stirring blades is arranged in the pre-mixing chamber. The bottom plate is also fixed with a bevel gear, and a feed pipe is fixed on the outside of the top plate of the pre-mixing chamber. The two adjacent pre-mixing chambers form a group, and the lower part of the two pre-mixing chambers is provided with a discharge area. The discharge areas are evenly distributed with sieve holes, and there is a movable groove between the two opposite discharge regions. The sliding limit in the movable groove is a stopper that can block the sieve holes in the discharge region. The stopper The upper end of the screw is rotatably connected with a screw, and the upper end of the screw runs through the upper mixing barrel and is fixed with a rotating handle. The solid base between the two pre-mixing chambers in a group is located above the movable groove and provided with a screw thread that matches the screw. hole; the rotation of the lower part of the upper mixing cylinder is limited by a first horizontal shaft, on which four conical mating gears are fixed, and the conical mating gears mesh with the corresponding bevel gears; the Rotation is limited in the lower mixing drum with a second horizontal shaft, a ribbon agitator is fixed on the second horizontal shaft, a driving motor is fixed on the outside of the lower mixing drum, and a driving gear is fixed on the output shaft of the driving motor, The driving gear is provided with two gear parts, one of which is connected to the upper driven gear at the outer end of the first horizontal shaft through the upper transmission belt, and the other gear part is connected with the lower driven gear at the outer end of the second horizontal shaft through the lower transmission belt. Drive connection. 2. The production device of flue gas sulfur transfer aid according to claim 1, characterized in that: the upper shell of the upper mixing cylinder is in a rectangular parallelepiped structure, the upper part of the lower mixing cylinder is in a rectangular parallelepiped structure, and the lower part is horizontally placed semi-cylindrical structure. 3. The production device of flue gas sulfur transfer aid according to claim 1, characterized in that: a bracket is fixed at the bottom of the lower mixing cylinder, and a discharge pipe is fixed at the lower part of the side end. 4. The production device of flue gas sulfur transfer aid according to claim 1, characterized in that: the inner wall of one side plate of the upper mixing cylinder is fixed with a positioning block that cooperates with the first horizontal axis, and the other side plate is installed There is a shaft seal matching with the first horizontal shaft; the inner wall of one side plate of the lower mixing cylinder is fixed with a positioning block matching with the second horizontal shaft, and the other side plate is equipped with a shaft seal matching with the second horizontal shaft. 5. The production device of flue gas sulfur transfer aid according to claim 1, characterized in that: the movable groove has a block to slide upward to expose the space of the screen hole in the discharge area. 6. The production device of flue gas sulfur transfer auxiliary agent according to claim 1, characterized in that: the pre-mixing chamber is a cylindrical structure, and the two sides of the stopper are provided with inner walls that cooperate with the outer wall of the cylindrical structure. notch. 7. The production device of flue gas sulfur transfer auxiliary agent according to claim 6, characterized in that: the central angle corresponding to the area occupied by the discharge area is 20-30°. 8. The production device of flue gas sulfur transfer auxiliary agent according to claim 1, characterized in that: the block is formed by combining two blocks, and the upper parts of the two blocks are provided with limited turning slots, so that The lower end of the screw rod is provided with a T-shaped rotary head clamped by two limiting rotary slots.