CN215429094U

CN215429094U - Preparation device of ozone catalytic oxidation catalyst

Info

Publication number: CN215429094U
Application number: CN202023319026.2U
Authority: CN
Inventors: 林凯; 周源源; 朱善杰; 龚东平; 李善振
Original assignee: Nanjing Chemical Park Boride Water Co ltd
Current assignee: Nanjing Chemical Park Boride Water Co ltd
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2022-01-07
Anticipated expiration: 2030-12-31

Abstract

The utility model relates to a preparation device of an ozone catalytic oxidation catalyst, which comprises a first soaking tank (1), a second soaking tank (2), a filter (3), a drying box (4) and a freeze drying box (5), wherein the first soaking tank (1) is connected with the filter (3) through a pipeline, a filter screen on the filter (3) is detachably connected, solid particles on the filter screen are placed into the second soaking tank, the second soaking tank is connected with a container placed in the drying box through a pipeline, and the container in the drying box is moved out of the drying box and placed into the freeze drying box (5). The preparation device of the ozone catalytic oxidation catalyst is provided with two soaking tanks, and a large amount of metal ions are attached to solid particles after two times of soaking. The adhesive force of the catalyst metal ions prepared by the device on the solid particles is large, so that the catalyst metal ions are not easy to fall off from the solid particles, and the times of repeated use of the catalyst are increased.

Description

Preparation device of ozone catalytic oxidation catalyst

Technical Field

The utility model relates to the technical field of catalyst preparation, in particular to a preparation device of an ozone catalytic oxidation catalyst.

Background

At present, ozone can oxidize most organic matters, particularly the matters which are difficult to biodegrade, and has good effect. Catalytic ozonation technologies in the prior art are mainly divided into two main categories: one is homogeneous catalytic ozonation technology with metal ions as catalysts, and the other is heterogeneous catalytic ozonation technology with solid matters and the like as catalysts. The current research on catalytic ozonation wastewater treatment technology mainly focuses on improving the mass transfer dissolution of ozone in water and the generation rate and quantity of hydroxyl free radicals (. OH) so as to enhance the degradation and removal effect of ozone on organic pollutants in water.

In the homogeneous catalysis ozone oxidation technology, the problems of catalyst loss, difficult catalyst recovery, secondary pollution and the like are easily caused because the catalyst is mixed and dissolved in water, and the operation and maintenance cost is high, so that the practical application is not utilized; in the heterogeneous catalysis ozone oxidation technology, the catalyst exists in a solid form, is easy to separate from water, has less secondary pollution and simplifies the treatment process, so that the development of the high-efficiency, low-cost and stable catalyst is the key of the practical large-scale application of the catalysis ozone oxidation technology.

The ozone catalytic oxidation catalyst in the prior art generally attaches metal ions to solid particles, so that the technical ions cannot run away along with the flow of treated wastewater during catalytic oxidation, the catalyst can be repeatedly utilized, the metal ions in the wastewater are reduced while the catalyst is saved, and the treatment efficiency of the wastewater is improved.

The catalyst prepared by the preparation device of the ozone catalytic oxidation catalyst in the prior art has poor catalytic performance, is used repeatedly for a few times, and is not economical enough. Therefore, the utility model designs a novel preparation device of the ozone catalytic oxidation catalyst, the catalyst prepared by the device can be repeatedly used, the adhesion rate of metal ions on solid particles is higher, the catalysis efficiency is improved, the adhesion rate is higher, the catalyst is not easy to fall off from the solid particles, and the times of repeated use of the catalyst are improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model discloses a preparation device of an ozone catalytic oxidation catalyst,

the utility model provides a preparation facilities of ozone catalytic oxidation catalyst, includes first soaking tank, second soaking tank, filter, stoving case, freeze-drying case, first soaking tank pass through the pipe connection filter, the filter on the filter connect for dismantling, put into the second soaking tank with the solid particle on the filter screen, the second soaking tank passes through the pipeline and is connected with the container of placing in the stoving case, the stoving case in the container shift out from the stoving case, put into the freeze-drying case.

Further, first soaking jar with the second soak in the jar in all install the stirring rake, the stirring rake be connected with the motor, right first soaking jar with the second soak the granule of jar soak.

Furthermore, the filter comprises two filter tanks and a collecting tank, the filter tanks are positioned right above the collecting tank, and the side edges of the filter tanks are connected with a rotating shaft of the driving motor through connecting rods.

Furthermore, the filter screen on the filter tank bottom surface is movably placed on the support plate on the filter tank bottom surface, the filter screen is provided with a side edge, the side edge is clamped on the upper edge of the filter tank, after the filtering is finished, the filter screen is taken down, and solid particles in the filter screen are placed in the second soaking tank for secondary soaking.

Further, the lateral wall of stoving case on install the elbow pipeline, the elbow pipeline on be provided with the ooff valve, stoving incasement portion placed the container, the stoving case be provided with the switch door, the front end of elbow pipeline be located the container directly over, the solid-liquid mixture that comes out in the second soaks jar gets into the container through the elbow pipeline in, dries in the stoving case, later, gets rid of the container, puts into the freeze-drying oven and dries.

In the process of preparing the ozone catalytic oxidation catalyst, a metal leaching solution is filled in a first soaking tank, a reduced graphene oxide solution mixed with metal ions is placed in a second reaction tank, soaked solid particles are filtered and then placed in a second soaking tank for soaking, then a solid-liquid mixture in the second soaking tank is placed in a drying box for drying, and then freeze drying is carried out, so that the catalytic ozone oxidation catalyst with volcanic rock as a carrier and a core-shell structure is obtained.

The utility model has the beneficial effects that: the preparation device of the ozone catalytic oxidation catalyst is provided with two soaking tanks, a large amount of metal ions are attached to solid particles after soaking twice, and the adhesion force of the metal ions of the catalyst prepared by the device on the solid particles is large, so that the metal ions are not easy to fall off from the solid particles, and the times of repeated use of the catalyst are increased.

Drawings

FIG. 1 is a schematic diagram showing the apparatus connection of an apparatus for producing an ozone catalytic oxidation catalyst according to an embodiment of the present invention.

FIG. 2 is a schematic structural view of a filter of an apparatus for preparing an ozone catalytic oxidation catalyst according to an embodiment of the present invention.

FIG. 3 is a schematic structural diagram of a drying box of a preparation device of an ozone catalytic oxidation catalyst according to an embodiment of the present invention.

List of reference numerals: 1-a first soaking tank, 2-a second soaking tank, 3-a filter, 4-a drying box, 5-a freeze drying box, 6-a stirring paddle, 7-a motor, 301-a filtering tank, 302-a collecting tank, 303-a connecting rod, 304-a driving motor, 3011-a filtering screen, 3012-a supporting plate, 3013-a side edge, 401-an elbow pipeline, 402-a switch valve, 403-a container and 404-a switch door.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the utility model and not as limiting the scope of the utility model. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The utility model provides a preparation facilities of ozone catalytic oxidation catalyst, includes first soaking tank 1, second soaking tank 2, filter 3, stoving case 4, freeze-drying oven 5, and first soaking tank 1 passes through pipe connection filter 3, and the filter screen on the filter 3 is for dismantling the connection, puts into the second soaking tank with the solid particle on the filter screen, and the second soaking tank passes through the pipeline and is connected with the container of placing in the stoving case, and the container in the stoving case shifts out from the stoving case, puts into freeze-drying oven 5.

Further, all install stirring rake 6 in first soaking jar 1 and the second soaking jar 2, stirring rake 6 is connected with motor 7, soaks the granule of first soaking jar 1 and second soaking jar 2.

Further, the filter 3 includes two filtering tanks 301 and a collecting tank 302, the filtering tank 301 is located right above the collecting tank 302, and the side of the filtering tank 301 is connected with the rotating shaft of the driving motor 304 through a connecting rod 303.

Further, a filter screen 3011 on the bottom surface of the filter tank 301 is movably placed on a support plate 3012 on the bottom surface of the filter tank 301, the filter screen 3011 is provided with a side 3013, the side 3013 is clamped on the upper edge of the filter tank 301, after the filtration is finished, the filter screen 3011 is taken down, and the solid particles in the filter screen are placed in the second soaking tank 2 for secondary soaking.

Further, an elbow pipeline 401 is installed on the side wall of the drying box 4, a switch valve 402 is arranged on the elbow pipeline 401, a container 403 is placed inside the drying box 4, the drying box 4 is provided with a switch door 404, the front end of the elbow pipeline 401 is located right above the container 403, a solid-liquid mixture discharged from the second soaking tank 2 enters the container through the elbow pipeline 401, drying is carried out in the drying box, and then the container is removed and is placed in a freeze drying box for drying.

In the process of preparing the ozone catalytic oxidation catalyst, a metal leaching solution is filled in a first soaking tank 1, a reduced graphene oxide solution mixed with metal ions is placed in a second reaction tank, soaked solid particles are filtered and then placed in a second soaking tank 2 for soaking, then a solid-liquid mixture in the second soaking tank 2 is placed in a drying box for drying, and then freeze drying is carried out, so that the catalytic ozone oxidation catalyst with volcanic rock as a carrier and a core-shell structure is obtained.

The technical means disclosed in the utility model scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features.

Claims

1. The utility model provides a preparation facilities of ozone catalytic oxidation catalyst, its characterized in that includes first soaking tank (1), second soaking tank (2), filter (3), stoving case (4), freeze-drying box (5), first soaking tank (1) pass through pipe connection filter (3), filter (3) on the filter screen for can dismantling the connection, put into the second soaking tank with the solid particle on the filter screen, the second soaking tank passes through the pipeline and is connected with the container of placing in the stoving case, the stoving case in the container shift out from the stoving case, put into freeze-drying box (5).

2. The apparatus for preparing a catalyst for catalytic oxidation of ozone according to claim 1, wherein the first soaking tank (1) and the second soaking tank (2) are both provided with a stirring paddle (6), the stirring paddle (6) is connected with a motor (7) to soak the particles in the first soaking tank (1) and the second soaking tank (2).

3. The apparatus for preparing a catalytic ozonation catalyst according to claim 1, wherein the filter (3) comprises two filter tanks (301) and a collecting tank (302), the filter tanks (301) are located right above the collecting tank (302), and the side edges of the filter tanks (301) are connected with the rotating shaft of the driving motor (304) through connecting rods (303).

4. The apparatus for preparing a catalyst for catalytic oxidation of ozone as claimed in claim 3, wherein the filter screen (3011) on the bottom surface of the filter tank (301) is movably placed on the support plate (3012) on the bottom surface of the filter tank (301), the filter screen (3011) is provided with a side edge (3013), and the side edge (3013) is clamped on the upper edge of the filter tank (301).

5. The preparation device of the catalytic oxidation catalyst for ozone according to claim 1, wherein an elbow pipe (401) is installed on the side wall of the drying box (4), a switch valve (402) is arranged on the elbow pipe (401), a container (403) is placed in the drying box (4), a switch door (404) is arranged on the drying box (4), and the front end of the elbow pipe (401) is located right above the container (403).