CN210729155U - Gaseous hydrogen peroxide catalytic cracker - Google Patents
Gaseous hydrogen peroxide catalytic cracker Download PDFInfo
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- CN210729155U CN210729155U CN201920950906.8U CN201920950906U CN210729155U CN 210729155 U CN210729155 U CN 210729155U CN 201920950906 U CN201920950906 U CN 201920950906U CN 210729155 U CN210729155 U CN 210729155U
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- catalyst
- hydrogen peroxide
- catalytic cracker
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- main catalyst
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Abstract
The utility model discloses a gaseous hydrogen peroxide catalytic cracker, including stack shell and two install respectively in the interface at stack shell both ends, be equipped with the catalyst granule that the structure is main catalyst-filler catalyst-main catalyst type in the stack shell. The utility model discloses technical scheme carries out 3 grades of reactions through main catalyst in the gaseous state hydrogen peroxide catalytic cracking ware and the residual hydrogen peroxide gas in to the air of filler catalyst and decomposes, thoroughly becomes water and oxygen respectively, reduces the hydrogen peroxide gas concentration in the air rapidly by a wide margin, realizes supplying the indoor purpose that uses in the extremely short time.
Description
Technical Field
The utility model relates to the technical field of medical appliances, in particular to a catalytic cracker for gaseous hydrogen peroxide.
Background
Generally, hydrogen peroxide disinfection equipment is used to disinfect indoors in the market, hydrogen peroxide gas is left in the air within a certain time after the environment is disinfected, and the hydrogen peroxide gas can be degraded into water and oxygen by itself, but the hydrogen peroxide gas is started in a very short time after being disinfected in some occasions, so that a means is needed to accelerate the degradation speed of the hydrogen peroxide gas.
SUMMERY OF THE UTILITY MODEL
The technical problem solved by the utility model is that the prior art can not realize the degradation of hydrogen peroxide into water and oxygen in a very short time.
In order to solve the above technical problem, the present invention provides a catalytic cracking device for gaseous hydrogen peroxide, which comprises a cylinder and two connectors respectively installed at two ends of the cylinder, wherein the cylinder is provided with catalyst particles having a main catalyst-filler catalyst-main catalyst type structure.
Optionally, the interface is welded to the barrel body, the interface is a tapered interface, and a large opening end of the interface is connected to the barrel body.
Optionally, a sealant is arranged between the catalyst particles and the inner wall of the cylinder body.
Optionally, a sealant is disposed between the main catalyst portion of the catalyst particles and the inner wall of the barrel.
Optionally, the structure of the main catalyst is honeycomb-shaped.
Optionally, the mesh number of the main catalyst honeycomb is 300 meshes.
Optionally, the filler catalyst is formed by mixing a plurality of particles with the diameter of 1 mm.
Optionally, the honeycomb inner surface of the main catalyst is coated with platinum-palladium metal with the content of 30g/m2The complex of (1).
Optionally, the surface of the filler catalyst particles is coated with palladium metal with the content of 60g/m2The complex of (1).
The utility model discloses technical scheme's beneficial effect is:
the utility model discloses a main catalyst in the gaseous state hydrogen peroxide catalytic cracker carries out 3 grades of reactions with the remaining hydrogen peroxide gas in to the air with the filler catalyst and decomposes, thoroughly becomes water and oxygen respectively, reduces the hydrogen peroxide gas concentration in the air rapidly by a wide margin, realizes supplying the indoor purpose that uses in the extremely short time.
Drawings
Fig. 1 is a schematic structural diagram of a catalytic cracker for gaseous hydrogen peroxide according to an embodiment of the present invention.
The specific implementation mode is as follows:
the present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Referring to fig. 1, a catalytic cracker for hydrogen peroxide vapor according to an embodiment is shown, which includes a cylinder and two connectors respectively installed at two ends of the cylinder, wherein the cylinder is provided with catalyst particles having a structure of main catalyst-filler catalyst-main catalyst.
Optionally, the interface is welded to the barrel body, the interface is a tapered interface, and a large opening end of the interface is connected to the barrel body.
Optionally, a sealant is arranged between the catalyst particles and the inner wall of the cylinder body.
Optionally, a sealant is disposed between the main catalyst portion of the catalyst particles and the inner wall of the barrel.
Optionally, the structure of the main catalyst is honeycomb-shaped.
Optionally, the mesh number of the main catalyst honeycomb is 300 meshes.
Optionally, the filler catalyst is formed by mixing a plurality of particles with the diameter of 1 mm.
Optionally, the honeycomb inner surface of the main catalyst is coated with platinum-palladium metal with the content of 30g/m2The complex of (1).
Optionally, the surface of the filler catalyst particles is coated with palladium metal with the content of 60g/m2The complex of (1).
The features and functions of the present invention will be further understood from the following description.
The catalytic cracker for gaseous hydrogen peroxide in this embodiment has a generally cylindrical structure, and has tapered connectors 2 at two ends, the casing materials of the straight cylinder 1 and the connectors 2 are preferably 304 stainless steel (the material materials are not limited to 304 stainless steel), and the straight cylinder 1 and the connectors 2 are connected in a preferred welding manner (in other embodiments, other manners, such as clamping, buckling, etc., are also possible).
The cylindrical structure contains catalyst substances capable of degrading hydrogen peroxide gas, and the substances are divided into 3 sections in general, wherein the two ends are main catalysts 3, and the middle is a filler catalyst 4. The main catalyst 3 is an integrated structure, the cross section of the main catalyst is similar to that of honeycomb briquette, the middle of the main catalyst is provided with a pore passage for gas to pass through, and the inner wall of the pore passage is sprayed with a noble metal compound (such as platinum-palladium metal compound).
When the hydrogen peroxide gas flows through the pore channels, the hydrogen peroxide gas contacts with the noble metal compound on the inner wall of the main catalyst 3 honeycomb, and decomposition reaction is carried out to form oxygen and water vapor, and the reaction is primary reaction. The concentration of hydrogen peroxide gas flowing through the main catalyst 3 is significantly reduced, but the hydrogen peroxide gas cannot be completely decomposed, the low-concentration gas enters the filler catalyst 4, the filler catalyst 4 is spherical particles, the contact area with the gas is larger, and the surfaces of the particles are coated with chemical substances with stronger degradation effect, so that the low-concentration hydrogen peroxide gas can be further decomposed, which is a 2-stage reaction. The gas decomposed in the 2-stage reaction flows to the outlet (the inlet and outlet directions are shown in fig. 1) and passes through the main catalyst 3 at the end, and the reaction in the step is a 3-stage reaction, so that the residual hydrogen peroxide is completely decomposed into water and oxygen.
The catalytic cracker for gaseous hydrogen peroxide in the embodiment can process 100m per hour3The concentration of the hydrogen peroxide gas can be reduced from 2000ppm to below 1 ppm.
The physical dimensions and other preferred parameters of the catalytic cracker for gaseous hydrogen peroxide in this embodiment are as follows, and the specific parameters are determined according to specific situations, are not limited, and are not marked in the drawings:
gas inlet diameter: 30mm
Diameter of gas outlet: 40mm
The height of the interface cone is as follows: 30mm
The outer diameter of the middle straight cylinder is as follows: 80mm
Inner diameter of the middle straight cylinder: 75mm
Thickness of straight barrel and tapered interface shell: 2mm
The thickness of the sealant between the inner diameter and the outer diameter is as follows: 3mm
Length of the straight cylinder: 150mm
Each stage catalyst length (including main catalyst and filler catalyst): 50mm
The number of main catalyst cells: 300 mesh
Coating material for inner surface of main catalyst honeycomb: platinum-palladium metal complex content: 30g/m2
Diameter of filler catalyst particle: 1mm
Surface coating material of filler catalyst: content of palladium metal complex: 60g/m2
Catalyst tolerance temperature: 120 deg.C
Catalyst life: for 3 years
To sum up, the utility model discloses a main catalyst in the gaseous state hydrogen peroxide catalytic cracker carries out 3 grades of reactions with the remaining hydrogen peroxide gas in to the air with the filler catalyst and decomposes, thoroughly becomes water and oxygen respectively, reduces the hydrogen peroxide gas concentration in the air rapidly by a wide margin, realizes supplying the indoor purpose that uses in the extremely short time.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (6)
1. The catalytic cracker is characterized by comprising a cylinder body and two interfaces which are respectively arranged at two ends of the cylinder body, wherein main catalysts are arranged at two ends in the cylinder body, a filler catalyst is arranged in the middle of the cylinder body, the main catalyst is honeycomb-shaped, a platinum-palladium metal compound is coated on the inner surface of the honeycomb of the main catalyst, the filler catalyst is spherical particles, and a palladium metal compound is coated on the surfaces of the particles of the filler catalyst.
2. The catalytic cracker of claim 1, wherein the port is welded to the cylinder, the port is a tapered port, and a large opening end of the port is connected to the cylinder.
3. The catalytic cracker according to claim 1, wherein a sealant is disposed between the catalyst particles and the inner wall of the cylinder.
4. The catalytic cracker according to claim 3, wherein a sealant is provided between the main catalyst portion of the catalyst particles and the inner wall of the can.
5. The catalytic cracker of claim 1, wherein the mesh number of the main catalyst honeycomb is 300 meshes.
6. The catalytic cracker of claim 1, wherein the filler catalyst is a mixture of particles having a diameter of 1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950906.8U CN210729155U (en) | 2019-06-24 | 2019-06-24 | Gaseous hydrogen peroxide catalytic cracker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920950906.8U CN210729155U (en) | 2019-06-24 | 2019-06-24 | Gaseous hydrogen peroxide catalytic cracker |
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| Publication Number | Publication Date |
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| CN210729155U true CN210729155U (en) | 2020-06-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920950906.8U Active CN210729155U (en) | 2019-06-24 | 2019-06-24 | Gaseous hydrogen peroxide catalytic cracker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663633A (en) * | 2021-08-17 | 2021-11-19 | 合肥中科重明科技有限公司 | Novel hydrogen peroxide multistage catalytic decomposition type gas generator |
-
2019
- 2019-06-24 CN CN201920950906.8U patent/CN210729155U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113663633A (en) * | 2021-08-17 | 2021-11-19 | 合肥中科重明科技有限公司 | Novel hydrogen peroxide multistage catalytic decomposition type gas generator |
| CN113663633B (en) * | 2021-08-17 | 2022-10-04 | 合肥中科重明科技有限公司 | Novel hydrogen peroxide multistage catalytic decomposition type gas generator |
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