CN215428232U

CN215428232U - Zero gas generator catalytic unit

Info

Publication number: CN215428232U
Application number: CN202122301013.0U
Authority: CN
Inventors: 陆科财; 张小玉; 王晓晗; 成新豪; 刘晶晶; 吕恩涛
Original assignee: Henan Aorui Environmental Protection Technology Co ltd
Current assignee: Henan Aorui Environmental Protection Technology Co ltd
Priority date: 2021-09-23
Filing date: 2021-09-23
Publication date: 2022-01-07
Anticipated expiration: 2031-09-23

Abstract

The utility model discloses a catalytic device of a zero gas generator, and belongs to the technical field of catalytic equipment. The utility model provides a zero gas generator catalytic unit, includes the casing, the outside of casing is provided with heating device, the one end of casing is provided with intake pipe and outlet duct, the other end of casing is provided with plugging device, the inside of casing is provided with the baffle. The utility model forms a U-shaped loop, prolongs the flow path and the retention time of airflow, improves the catalytic efficiency of the device, breaks up the gas and reduces the impact on the catalyst.

Description

Zero gas generator catalytic unit

Technical Field

The utility model relates to the technical field of catalytic equipment, in particular to a catalytic device of a zero gas generator.

Background

The zero gas is gas with high purity, few impurities and few related substances, and is mainly used for zero calibration of a related gas analyzer; the zero gas contains no component to be measured or interfering substances, but may contain components unrelated to the measurement. The zero-level air generator is used for preparing zero gas, and the generator generates zero-level air with the hydrocarbon content of less than 0.02ppm by carrying out catalytic cracking on total hydrocarbon and nitrogen oxide in compressed air. In a heating catalyst containing a dealkylation catalyst such as a platinum-palladium carrier, hydrocarbons are converted into carbon dioxide and water vapor, and then the carbon dioxide and the water are respectively removed by a device to obtain zero-grade air.

In the catalysis process, the stability of the reaction temperature and the contact area and time of air and the catalyst directly influence the catalysis effect. The current generator catalyst devices have the following problems:

1) in order to enhance the catalytic effect, the catalytic purpose is achieved by increasing the catalyst dosage and the volume of the catalytic furnace, so that the integral volume of the generator is larger;

2) the catalyst is directly placed in the catalytic furnace, the contact area with the gas to be purified is small, the contact is insufficient, and the overall reaction efficiency is not high;

3) air directly passes through the furnace, and the length of the required catalytic furnace is large, so that space waste is further caused;

4) the gas velocity in the catalytic reaction furnace is fast, the erosion consumption of the medicine is large, the powdering is serious, the heat consumption is large, the temperature control difficulty is large, and the catalytic reaction is unstable;

5) the catalytic reaction furnace can be used only once, and the difficulty of medicine installation and integral welding is high, the control is not easy, and the processing and the maintenance are difficult.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that in the prior art, a catalyst in a catalytic device is not in sufficient contact with air, the reaction is unstable, and equipment and medicines are difficult to install, process and maintain.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a zero gas generator catalytic unit, includes the casing, the outside of casing is provided with heating device, the one end of casing is provided with intake pipe and outlet duct, the other end of casing is provided with plugging device, the inside of casing is provided with the baffle.

In some embodiments, the heating device is a heating jacket, and the heating device is sleeved on the outer surface of the shell.

In some embodiments, the heating device is provided with an adjustment fastening means.

In some embodiments, the outer surface of the heating device is provided with heat insulation cotton.

In some embodiments, an end of the air inlet pipe extending into the interior of the housing is provided with an air flow dispersing member.

In some embodiments, one end of the air flow dispersing component is communicated with the air inlet pipe, and the other end of the air flow dispersing component is provided with a plug;

the outer surface of the airflow dispersion part is provided with a plurality of through holes.

In some embodiments, the upper and lower ends of the partition are connected to the inner wall of the housing, the left side of the partition is connected to the left inner wall of the housing, and the right side of the partition is spaced apart from the right inner wall of the housing.

In some embodiments, the occlusion device is a plug.

In some embodiments, the catalyst disposed within the housing is provided in a spherical shape.

Compared with the prior art, the utility model provides a zero gas generator catalytic device, which has the following beneficial effects:

1. according to the utility model, the shell is made of stainless steel, so that the cleanliness of a reaction space is ensured; the heating device is sleeved on the outer surface of the shell, so that the installation and maintenance are convenient; the heat insulation cotton is arranged, so that energy is saved, and the working efficiency of the equipment is improved; the plugging device is designed to be openable, so that the utilization rate of the device is improved, the maintenance difficulty is reduced, and resources are saved.

2. According to the utility model, the partition plates are arranged to form the U-shaped loop, so that the flow path and the retention time of airflow are prolonged, and the catalytic efficiency of the device is further improved; the air flow dispersing component disperses the air, so that the impact on the catalyst is reduced, and the utilization rate and the catalytic efficiency of the catalyst are improved; the contact time of the gas and the catalyst is longer, and the gas reacts more fully; the catalyst is arranged in a spherical shape, so that more contact areas are generated, and the utilization rate and the catalytic efficiency are further improved.

The part not involved in the device is the same as the prior art or can be realized by the prior art, and the utility model forms a U-shaped loop, prolongs the flow path and the retention time of the airflow and improves the catalytic efficiency of the device; the gas is scattered, so that the impact on the catalyst is reduced; the catalyst is arranged in a spherical shape, so that more contact areas are generated; set up plugging device and add the medicine, improve the rate of utilization of device to reduce and use and the maintenance degree of difficulty.

Drawings

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

FIG. 2 is a schematic structural front view of the present invention;

FIG. 3 is a schematic right sectional view of the present invention;

FIG. 4 is a schematic right sectional view of the present invention;

FIG. 5 is a schematic top sectional view of the present invention;

fig. 6 is a schematic structural view of an intake pipe.

In the figure: 1. a housing; 2. a heating device; 3. an air inlet pipe; 4. an air outlet pipe; 5. a plugging device; 6. a partition plate; 7. adjusting the fastening member; 8. heat preservation cotton; 9. an airflow dispersing member; 10. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-6, a zero gas generator catalytic device comprises a shell 1, wherein the shell 1 is made of stainless steel; can reduce reactants, impurities and the like and generate adhesion in the furnace; the cleanliness of the reaction space is ensured.

The exterior of the housing 1 is provided with heating means 2 to provide heat input to the device.

One end of the shell 1 is provided with an air inlet pipe 3 and an air outlet pipe 4 which are respectively used for inputting gas to be reacted and outputting gas after catalytic reaction.

The other end of the shell 1 is provided with a plugging device 5; one end of the device is plugged, the design can be opened, and the plugging device 5 is opened when the medicine is needed to be added or the operation such as maintenance is needed.

A partition plate 6 is arranged inside the shell 1; dividing the inner space to form a U-shaped loop; one end of the U-shaped loop is communicated with the air inlet pipe 3, and the other end is communicated with the air outlet pipe 4.

Specifically, the upper and lower ends of the partition plate 6 are connected with the inner wall of the housing 1, the left side of the partition plate 6 is connected with the left inner wall of the housing 1, and the right side of the partition plate 6 is spaced from the right inner wall of the housing 1.

Namely, a reserved gap is arranged on the right side of the partition plate 6 to form a turning part of the U-shaped loop; the U-shaped flowing loop is long and has no dead angle, so that the flow path and the retention time of the airflow in the U-shaped flowing loop are prolonged; and the baffle 6 that the middle part set up can carry out the heat conduction transmission, makes the whole temperature in the stove further stable, unified, further improves the catalytic efficiency of device.

When in use, the plugging device 5 is opened, and the catalyst is added into the device; after the catalyst is added, the plugging device 5 is installed; gas enters the interior of the gas inlet pipe 3, reacts with the catalyst and flows out of the gas outlet pipe 4.

Further, in some embodiments, the catalyst disposed within the housing 1 is provided in a spherical shape.

The spherical arrangement of the catalyst increases the clearance in the catalyst stacking state; the catalyst and the gas generate more contact area so as to further improve the utilization rate and the catalytic efficiency.

In some embodiments, the heating device 2 is a heating jacket, and the heating device 2 is sleeved on the outer surface of the shell 1; and a heat source is provided from the outside, so that the installation and the maintenance are convenient.

Further, in some embodiments, the heating device 2 is provided with an adjustment fastening member 7; the heating device 2 is locked and disassembled by adjusting the fastening part 7, so that the maintenance is convenient.

Specifically, the heating device 2 is of a sleeve type design, and an opening is arranged on one side; the opening of the heating device 2 axially penetrates through the two ends of the sleeve, so that the heating device becomes an adjustable split ring structure; an adjusting fastening part 7 is arranged at the opening; the adjusting and fastening part 7 comprises a connecting plate and a bolt; the connecting plates are arranged at the edges of the two openings and are fixedly connected with the heating device 2; corresponding holes are formed in the two connecting plates, and bolts are inserted into the corresponding holes; the two connecting plates are pulled close by adjusting bolts, so that the heating device 2 is locked.

Accordingly, the heating device 2 can be removed after the bolts are removed.

In some embodiments, the outer surface of the heating device 2 is provided with insulation wool 8.

The heat insulation cotton 8 is covered outside the heating device 2, so that the heat generated by the heating device 2 can be reduced to be dissipated to the outside, and the heat is kept to be concentrated inwards; can effectively save energy and improve the working efficiency of the equipment.

Preferably, the heat-insulating cotton 8 is of a type 1430.

In some embodiments, the end of the air inlet tube 3 that protrudes into the interior of the housing 1 is provided with an air flow dispersing member 9.

After the gas is input through the gas inlet pipe 3, the gas flow dispersing component 9 disperses the gas so as to reduce the impact of the gas flow on the catalyst and reduce the pulverization of the catalyst; meanwhile, after airflow is dispersed, the flow velocity of the gas inside is more uniform, and full reaction is further facilitated.

Specifically, one end of the airflow dispersion component 9 is communicated with the air inlet pipe 3, and the other end of the airflow dispersion component 9 is provided with a plug; the outer surface of the airflow dispersion member 9 is provided with a plurality of through holes 10.

Namely, the airflow dispersion member 9 is an open-pore tubular structure with one side open and the other side closed; after the air flows through the air inlet pipe 3, the air enters the air flow dispersing part 9 from the opening; the water is discharged from the through hole 10 under the blockage of the other end plugging; the plurality of through holes 10 are uniformly distributed on the outer surface of the air flow dispersing component 9, so that the air is divided into a plurality of strands; the flow rates of the several streams are reduced and uniformly dispersed.

Therefore, the flow direction of the gas flow entering the catalytic furnace is changed, the gas flow direction is opposite to the pipe wall, and a plurality of gas flows form vortex and fold line flow; the contact chance with the catalyst is increased, and the utilization rate and the catalytic efficiency of the catalyst are improved; meanwhile, the contact time of the gas and the catalyst is longer, and the gas reaction is more sufficient.

In some embodiments, the occlusion device 5 is a plug.

The plug is in threaded connection with the shell 1, so that the installation is convenient, and the sealing effect is good; the device is arranged in an openable form, and medicines are added for multiple times, so that the utilization rate of the device is improved, the use and maintenance difficulty is reduced, and the resources are saved.

In the utility model, the shell 1 is made of stainless steel, so that the cleanliness of a reaction space is ensured; the heating device 2 is sleeved on the outer surface of the shell 1, so that the installation and maintenance are convenient; the heat insulation cotton 8 is arranged, so that energy is saved, and the working efficiency of the equipment is improved; the plugging device 5 is designed to be openable, so that the utilization rate of the device is improved, the maintenance difficulty is reduced, and resources are saved; the baffle 6 is arranged to form a U-shaped loop, so that the flow path and the retention time of the airflow are prolonged, and the catalytic efficiency of the device is further improved; the air flow dispersing part 9 breaks up the air, so that the impact on the catalyst is reduced, and the utilization rate and the catalytic efficiency of the catalyst are improved; the contact time of the gas and the catalyst is longer, and the gas reacts more fully; the catalyst is arranged in a spherical shape, so that more contact areas are generated, and the utilization rate and the catalytic efficiency are further improved.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The zero gas generator catalytic device is characterized by comprising a shell (1), wherein a heating device (2) is arranged outside the shell (1), an air inlet pipe (3) and an air outlet pipe (4) are arranged at one end of the shell (1), a blocking device (5) is arranged at the other end of the shell (1), and a partition plate (6) is arranged inside the shell (1).

2. A zero gas generator catalytic device according to claim 1, characterized in that said heating means (2) is a heating jacket, said heating means (2) being sheathed on the outer surface of said housing (1).

3. A zero gas generator catalytic device according to claim 1, characterized in that the heating device (2) is provided with adjusting fastening means (7).

4. A zero gas generator catalytic unit according to claim 1, characterized in that the outer surface of the heating device (2) is provided with insulating cotton (8).

5. A zero gas generator catalytic unit according to claim 1, characterized in that the end of the inlet pipe (3) that extends inside the housing (1) is provided with a flow dispersing member (9).

6. A zero gas generator catalytic unit according to claim 5, characterized in that one end of said flow dispersing member (9) is connected to said inlet pipe (3) and the other end of said flow dispersing member (9) is plugged;

the outer surface of the air flow dispersing component (9) is provided with a plurality of through holes (10).

7. A zero gas generator catalytic unit according to claim 1, characterized in that the upper and lower ends of the partition (6) are connected to the inner wall of the housing (1), the left side of the partition (6) is connected to the left inner wall of the housing (1), and the right side of the partition (6) is spaced from the right inner wall of the housing (1).

8. A zero gas generator catalytic device according to claim 1, characterized in that the plugging means (5) is a plug.

9. A zero gas generator catalytic device according to claim 1, characterized in that the catalyst placed inside the casing (1) is arranged in the shape of a sphere.