CN217350886U

CN217350886U - Heterogeneous catalytic oxidation reaction equipment

Info

Publication number: CN217350886U
Application number: CN202221853656.4U
Authority: CN
Inventors: 徐振伟; 郑师梅; 卢磊; 油彦杰; 林露
Original assignee: Shuizhige Shandong Environmental Protection Technology Co ltd
Current assignee: Shuizhige Shandong Environmental Protection Technology Co ltd
Priority date: 2022-07-19
Filing date: 2022-07-19
Publication date: 2022-09-02
Anticipated expiration: 2032-07-19

Abstract

The utility model provides a heterogeneous catalytic oxidation reaction unit, which comprises a tank body, the internal rotatable center pin that sets up of jar, the center pin is connected with motor reducer, install paddle formula impeller and many curved surface impeller on the center pin, paddle formula impeller and many curved surface impeller all set up in the reaction zone of jar body lower part, just paddle formula impeller is located many curved surface impeller below. This equipment can guarantee the mixed effect of catalyst and sewage, prevent that catalyst end angle from piling up, stopping the emergence of catalyst race material phenomenon.

Description

Heterogeneous catalytic oxidation reaction equipment

Technical Field

The utility model relates to a sewage treatment related technical field, in particular to heterogeneous catalytic oxidation reaction equipment.

Background

The traditional catalytic oxidation reaction equipment for sewage treatment generally comprises a tank body, a stirring structure, an overflow structure, a material pipe, a water pipe and the like, wherein the stirring structure mostly adopts a blade type impeller. The advanced heterogeneous catalytic oxidizer for sewage treatment of our company can be recycled, but there are two problems in using the traditional catalytic oxidation reaction equipment, the first is that: the catalyst has a large specific gravity, is easy to accumulate at the bottom of the tank or at the corners of the tank during mixing reaction, cannot be fully mixed with sewage, and needs to be equipped with mixing and stirring equipment to fully mix the sewage and the catalyst for full reaction. Secondly, the method comprises the following steps: the catalyst can be gradually reduced in the using process, and when the rising speed of the reaction equipment is high, some small-particle catalysts can flow away along with sewage, so that the catalysts cannot be fully utilized.

SUMMERY OF THE UTILITY MODEL

For solving the not enough of prior art, the utility model discloses combine prior art, set out from practical application, provide a heterogeneous catalytic oxidation reaction equipment, can guarantee the mixed effect of catalyst and sewage, prevent that the catalyst end angle from piling up, preventing the catalyst and running the emergence of material phenomenon.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a heterogeneous catalytic oxidation reaction unit, includes a jar body, the internal rotatable center pin that sets up of jar, the center pin is connected with motor reducer, install paddle formula impeller and multi-curved surface impeller on the center pin, paddle formula impeller and multi-curved surface impeller all set up in the reaction zone of jar body lower part, just paddle formula impeller is located multi-curved surface impeller below.

Furthermore, a blade pull rod is arranged between the blade type impeller and the central shaft, and the blade type impeller, the central shaft and the blade pull rod are arranged in a triangular shape.

Furthermore, the distance between the outer edge of the paddle type impeller and the inner wall of the tank body is less than or equal to 50 mm.

Furthermore, the corner at the bottom of the tank body is of an arc-shaped structure.

Further, the internal baffle that is equipped with of jar, the baffle adopts the multilayer slope to place for keep off the catalyst that rises back to the reaction zone.

Further, the baffle includes jar baffle and center pin baffle, jar baffle fixed connection is in jar internal wall, center pin baffle fixed connection is in the center pin.

Further, the tank baffle and the central shaft baffle are arranged in a staggered manner.

Further, the tank baffle is in a conical plate structure with a large upper end opening and a small lower end opening, the central shaft baffle is in a conical plate structure with a small upper end opening and a large lower end opening, the outer edge of the upper part of the tank baffle is connected to the inner wall of the tank body, and the center of the upper part of the central shaft baffle is connected to the central shaft.

Furthermore, the tank baffle and the central shaft baffle are respectively arranged in two layers.

Further, the lower end of the tank body is provided with a water inlet and a dosing port, and the upper end of the tank body is provided with an overflow weir, a water outlet and a feed inlet.

The utility model has the advantages that:

1. the utility model discloses the stirring structure sets up two kinds of impellers, and the bottom sets up paddle formula impeller, the many curved surface impellers of the big specific surface area of central design, and stirring effect is good, and motor power is little, and is more energy-conserving, makes liquid form circulation rivers in the pond in reaction stirring district simultaneously, and catalyst and sewage mix more fully, react more thoroughly.

2. The utility model discloses the triangle structure is constituteed with transmission shaft, paddle pull rod to the paddle, and the paddle is less than or equal to 50mm apart from the equipment wall, and the structure is firm, can prevent that the catalyst from subsiding in bottom and end angle.

3. The utility model discloses the bottom corner adopts the arc structure, prevents that catalyst end angle from piling up.

4. The utility model discloses reaction equipment sets up the baffle, and the baffle adopts the multilayer slope to place, changes the orbit of marcing of the catalyst that rises, makes it return reaction zone and sewage continuation mixing reaction, can prevent the catalyst and run the emergence of material phenomenon.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the baffle of the present invention in a top view;

FIG. 3 is a schematic view of the center shaft baffle according to the present invention;

FIG. 4 is a schematic view of the tank baffle position of the present invention in a top view;

fig. 5 is a schematic view of the position of the overflow weir of the present invention in a top view.

The reference numbers shown in the figures:

1-a motor reducer; 2-feeding pipe, 3-overflow weir; 4-central axis; 5-central shaft baffle; 6-tank baffles; 7-a water outlet pipe; 8-paddle pull rod; 9-a multi-curved impeller; 10-a water inlet pipe; 11-arc row angle; 12-a shaft sleeve; 13-a paddle impeller; 14-medicine adding tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention can be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present invention.

As shown in FIGS. 1-5, for the embodiment of the present invention provides a schematic diagram of a related structure of a heterogeneous catalytic oxidation reaction apparatus, the apparatus is specially designed to ensure the mixed reaction of the catalyst and the sewage, and the using effect of the catalyst is maximized.

The structure of the equipment is as follows:

comprises a tank body (shown in figure 1, the first zone is a reaction zone in the tank body, and the second zone is an overflow zone in the tank body). The lower extreme of jar body sets up inlet tube 10, adds pencil 14, and the upper end sets up overflow weir 3, outlet pipe 7 and inlet pipe 2, and inlet pipe 2 stretches into the reaction zone. The rotary central shaft 4 is arranged in the tank body, the bottom of the central shaft 4 is inserted into the shaft sleeve 12, the shaft sleeve 12 is connected with the tank bottom in a welding mode, the top of the central shaft 4 is connected with the motor speed reducer 1, the motor speed reducer 1 is arranged at the top outside the tank body, the central shaft 4 is provided with the paddle type impeller 13 and the multi-curved-surface impeller 9, the paddle type impeller 13 and the multi-curved-surface impeller 9 are both arranged in a reaction area at the lower portion of the tank body, and the paddle type impeller 13 is located below the multi-curved-surface impeller 9. In the structure, two types of impellers are arranged on the central shaft 4, the paddle type impeller 13 is arranged at the bottom, the multi-curved-surface impeller 9 with large specific surface area is arranged at the center, liquid in the pool can form circulating water flow in a reaction stirring area, the catalyst and sewage are mixed more fully, and the reaction is more thorough.

Preferably, in the present embodiment, a blade pull rod 8 is disposed between the paddle impeller 13 and the central shaft 4, and the blade pull rod 8 is disposed obliquely, so that the paddle impeller 13, the central shaft 4, and the blade pull rod 8 are arranged in a triangle, thereby ensuring structural stability, reducing the transmission force of the central shaft, and having low power of the equipped motor.

In the embodiment, in order to avoid the accumulation of the catalyst at the end corners, the corners of the bottom of the tank body of the equipment are set to be arc-shaped structures, and meanwhile, the outer edge of the paddle impeller 13 is set to be not more than 50mm away from the inner wall of the tank body, so that the problems of easy bottom sinking and insufficient reaction caused by the accumulation of the easy end corners of the catalyst due to large specific gravity are solved.

In this embodiment, in order to ensure the reuse of the catalyst and avoid the catalyst from flowing away along with the sewage, in this embodiment, a baffle is further arranged in the tank body. Specifically, the baffle includes two types of tank baffles 6 and central shaft baffles 5. The baffle is mainly used for changing the traveling track of the ascending catalyst, so that the ascending catalyst returns to the reaction area to be continuously mixed and reacted with the sewage. As shown in fig. 1 and 4, the tank baffle 6 is of a tapered plate structure with a large upper port and a small lower port, the outer edge of the upper port is fixedly connected to the inner wall of the tank, the central shaft baffle 5 is of a tapered plate structure with a small upper port and a large lower port, and preferably, the size of the lower port of the central shaft baffle 5 can be designed to be slightly larger than that of the lower port of the tank baffle 6, the upper center of the central shaft baffle 5 is fixedly connected to the central shaft 4, and meanwhile, in this embodiment, the two tank baffles 6 and the two central shaft baffles 5 are respectively arranged and are arranged in a staggered manner, and the rising catalyst is blocked back to the reaction area by the tank baffles 6 and the central shaft baffles 5 to continue to react with the sewage.

In this embodiment, overflow weir 3 is arranged along the periphery of the tank, so that water outlet is more uniform, and simultaneously, feed pipe 2 penetrates through the baffle plate and extends to the reaction zone, thereby facilitating the addition of the catalyst.

Claims

1. The utility model provides a heterogeneous catalytic oxidation reaction unit, includes a jar body, jar internal rotatable center pin that sets up, the center pin is connected with motor reducer, its characterized in that:

the central shaft is provided with a blade type impeller and a multi-curved-surface impeller, the blade type impeller and the multi-curved-surface impeller are both arranged in a reaction area at the lower part of the tank body, and the blade type impeller is positioned below the multi-curved-surface impeller;

and a blade pull rod is arranged between the blade type impeller and the central shaft, and the blade type impeller, the central shaft and the blade pull rod are arranged in a triangular shape.

2. The heterogeneous catalytic oxidation reaction apparatus according to claim 1, wherein the outer edge of the paddle impeller is spaced from the inner wall of the vessel by a distance of 50mm or less.

3. The heterogeneous catalytic oxidation reaction apparatus of claim 1, wherein corners of the bottom of the canister body are curved.

4. A heterogeneous catalytic oxidation reaction device according to any one of claims 1 to 3, wherein baffles are provided in the vessel in a plurality of layers inclined to trap the rising catalyst back to the reaction zone.

5. The heterogeneous catalytic oxidation reaction device of claim 4, wherein the baffle comprises a tank baffle fixedly attached to the inner wall of the tank and a central shaft baffle fixedly attached to the central shaft.

6. The heterogeneous catalytic oxidation reaction device of claim 5, wherein the canister baffle is staggered from the central shaft baffle.

7. The heterogeneous catalytic oxidation reaction apparatus according to claim 6, wherein the tank baffle is a tapered plate structure having a large upper end opening and a small lower end opening, the central shaft baffle is a tapered plate structure having a small upper end opening and a large lower end opening, the outer edge of the upper portion of the tank baffle is connected to the inner wall of the tank body, and the center of the upper portion of the central shaft baffle is connected to the central shaft.

8. The heterogeneous catalytic oxidation reaction device of claim 7, wherein the tank baffle and the central shaft baffle are arranged in two layers.

9. The heterogeneous catalytic oxidation reaction apparatus according to claim 1, wherein the tank body is provided at a lower end thereof with a water inlet and a chemical feeding port, and at an upper end thereof with an overflow weir, a water outlet and a feed inlet.