Gas-liquid confinement catalytic oxidation device convenient to install

By designing an easy-to-install gas-liquid confined catalytic oxidation device, the problems of gas-liquid two-phase mixing and inconvenient installation were solved, achieving effective separation of gas and liquid phases and environmental protection.

CN223732505UActive Publication Date: 2025-12-30YANTAI YUNFENG ECOLOGICAL ENVIRONMENT IND DEV CO LTD
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Patent Information

Application Number
CN202520037908.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-08
Publication Date
2025-12-30
Estimated Expiration
2035-01-08

AI Technical Summary

Technical Problem

Existing gas-liquid confined catalytic oxidation devices mix the gas and liquid phases after the catalytic oxidation reaction, causing liquid phase to accumulate inside the device. This requires shutdown to drain the liquid, and the circulation discharge pipe is prone to leakage, causing environmental pollution and making installation inconvenient.

Method used

Design an apparatus including an oxidation tower, a connecting pipe, a catalyst assembly, and a reflux assembly. The connecting pipe is sealed to the exhaust pipe of the gas to be catalyzed. The catalyst container and the reflux assembly are used to separate the gas and liquid phases. An inverted L-shaped drain pipe is set to prevent gas-liquid mixing and simplify the installation process.

Benefits of technology

It achieves effective separation of gas and liquid phases, avoids environmental pollution and installation inconvenience, and improves the ease of operation of the device and the efficiency of catalyst replacement.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a gas-liquid confinement catalytic oxidation device convenient to install, which belongs to the technical field of oxidation towers and comprises an oxidation tower, a butt joint pipe and a catalytic component, the bottom of the oxidation tower is inverted funnel-shaped, the butt joint pipe is arranged at the bottom of the oxidation tower in a penetrating manner, and the catalytic component is installed at the top of the inner side of the oxidation tower; according to the utility model, through the arrangement of the butt joint pipe, when the oxidation tower is mounted on the to-be-catalytically-oxidized gas discharge pipe, the oxidation tower is lifted up, and the butt joint pipe is aligned with the to-be-catalytically-oxidized gas discharge pipe, so that the butt joint pipe is inserted into the inner side of the to-be-catalytically-oxidized gas discharge pipe; at the moment, the outer side surface of the to-be-catalytically-oxidized gas discharge pipe is sleeved with the outer sleeving pipe, the rubber ring makes contact with the upper surface of the to-be-catalytically-oxidized gas discharge pipe, sealing is achieved, then the fastening bolt is tightened, the butt joint pipe is fixed to the to-be-catalytically-oxidized gas discharge pipe through the fastening bolt, installation is completed, installation is easy, and operation is convenient.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oxidation tower, especially relates to a gas-liquid limited domain catalytic oxidation device convenient to install. BACKGROUND

[0002] The gas-liquid limited domain catalytic oxidation device is an equipment related to the technical field of oxidation tower, and its design and function aim to optimize the catalytic oxidation process, especially in the system involving gas-liquid two-phase reaction, the current catalytic oxidation device cannot separate the liquid phase and the gas phase generated in the catalytic oxidation reaction process, and a large amount of liquid phase is accumulated in the device after a long time of reaction, so that the gas-liquid two-phase is mixed in the device, and the device can continue to work only after the liquid phase is discharged after shutdown;

[0003] In the prior art, the patent with the authorization announcement number CN217939758U discloses a gas-liquid limited domain catalytic oxidation device, which can make the catalyzed oxidation gas passing through the inside and the catalyst fully contact, thereby improving the degree of catalytic oxidation, and the liquid catalyst is only adsorbed in the catalytic component, and the gas contacts the catalytic component from bottom to top to be fully catalyzed and oxidized, and the liquid phase and the catalyst generated by catalytic oxidation are discharged through the circulating discharge pipe, so that the device can avoid the mixing of gas-liquid two-phase, realize the limited domain function by separating the liquid phase, and the excess catalyst on the multiple catalytic components can be recycled and circulated along the reflux component, which is also beneficial to judging whether the catalyst in the device is invalid by the reflux catalyst, and the catalyst can be replaced in time;

[0004] However, the circulating discharge pipe of the device directly penetrates the side of the oxidation tower, which causes the problem of un-catalyzed gas leakage, which easily causes environmental pollution, and the oxidation tower of the device is usually installed on the catalyzed oxidation gas discharge pipe by a threaded connection, which is not convenient to install due to the large diameter and heavy weight of the oxidation tower, so a gas-liquid limited domain catalytic oxidation device convenient to install is set to solve the above problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the problems in the background art, and provides a gas-liquid limited domain catalytic oxidation device convenient to install.

[0006] The utility model solves the problems in the prior art that the circulating discharge pipe easily discharges un-catalyzed gas to cause environmental pollution and is not convenient to install.

[0007] The utility model provides a kind of gas-liquid limited catalytic oxidation device convenient to install, including oxidation tower, butt joint pipe and catalytic assembly, the bottom of the oxidation tower is inverted funnel, and the bottom of oxidation tower is provided with butt joint pipe, the inside top of the oxidation tower is equipped with catalytic assembly, the catalytic assembly includes catalyst loading cylinder, blocking net and limit ring, the inside upper and lower of catalyst loading cylinder are fixedly provided with blocking net, the upper surface of catalyst loading cylinder is fixedly provided with limit ring, the inside central portion of the oxidation tower is equipped with reflux assembly;

[0008] The butt joint pipe includes an outer sleeve pipe, fastening bolts, and a rubber ring. The outer sleeve pipe has a structure with a closed top and an open bottom, and the butt joint pipe is centrally disposed through the top of the outer sleeve pipe. The outer surface of the outer sleeve pipe is threadedly connected with the fastening bolts. The inner top of the outer sleeve pipe is embedded with a sealing rubber ring.

[0009] Preferably, the inside of the catalyst loading cylinder is filled with nitrogen oxide catalyst, and the catalyst loading cylinder is made of rubber.

[0010] Preferably, the outer diameter of the catalyst loading cylinder is the same as the inner diameter of the oxidation tower, and the outer surface of the catalyst loading cylinder is in airtight connection with the inner surface of the oxidation tower.

[0011] Preferably, the bottom level of the outer sleeve pipe is equal to the bottom level of the butt joint pipe, and the outer diameter of the butt joint pipe is equal to the inner diameter of the catalytic oxidation gas discharge pipe. The inner diameter of the outer sleeve pipe is not less than the outer diameter of the catalytic oxidation gas discharge pipe.

[0012] Preferably, the fastening bolts are provided in four, and the angle between any two adjacent fastening bolts is 90°.

[0013] Preferably, the reflux assembly includes an inverted funnel, a stand, and a hemispherical block. The inverted funnel is fixedly disposed below the inside of the oxidation tower. The upper part of the inverted funnel is provided with the hemispherical block through the stand. The side of the oxidation tower is provided with an inverted L-shaped drain pipe.

[0014] Preferably, the hemispherical block is directly above the top through hole of the inverted funnel, and the diameter of the hemispherical block is not less than the diameter of the top through hole of the inverted funnel.

[0015] Preferably, the outer end of the inverted L-shaped drain pipe faces upward, and the horizontal level of the penetration of the inverted L-shaped drain pipe and the oxidation tower is higher than the horizontal level of the connection of the inverted funnel and the oxidation tower. The top horizontal level of the outer end of the inverted L-shaped drain pipe is not higher than the top horizontal level of the inverted funnel.

[0016] Compared with the prior art, the utility model has at least the following beneficial effects:

[0017] 1. The utility model discloses a butt joint pipe is provided with, when installing the oxidation tower on the gas discharge pipe of catalytic oxidation, through the oxidation tower is hoisted, the butt joint pipe is aligned the gas discharge pipe of catalytic oxidation, makes the butt joint pipe insert the inside of the gas discharge pipe of catalytic oxidation, at this time, the sleeve pipe of outer sleeve is connected to the outside surface of the gas discharge pipe of catalytic oxidation, and the rubber ring contacts the upper surface of the gas discharge pipe of catalytic oxidation, realizes the sealing, and then through the fastening bolt is tightened, makes the fastening bolt fixed on the gas discharge pipe of catalytic oxidation, completes the installation, and the installation is simple, and the operation is convenient.

[0018] 2. The utility model discloses a catalyst loading cylinder is provided with, after the catalytic gas enters to the oxidation tower through the butt joint pipe 2, passes through the blocking net below the catalyst loading cylinder, and the catalyst in the inside catalyzes nitrogen oxide catalyst, produces nitrogen and water, and nitrogen is directly discharged, and water falls to the reflux assembly and is collected, realizes the effect of nitrogen oxide treatment, because the catalyst loading cylinder is sleeved on the top of the oxidation tower, makes the catalyst loading cylinder convenient to take out, and the catalyst in the catalyst loading cylinder is convenient to replace.

[0019] 3. The utility model discloses a reflux assembly and inverted L shape drain pipe 5 are provided with, when using, can add water to the inverted L shape drain pipe, and the water enters to the inverted funnel through the inverted L shape drain pipe and makes the water below the inverted L shape drain pipe, and the water can block the below of inverted L shape drain pipe, and the catalytic gas passes through the inverted funnel, and enters the above of oxidation tower, and when the water that produces after catalyzing nitrogen oxide in the catalytic assembly falls to the inverted funnel and hemispherical block on the reflux assembly, the water will flow along the inverted funnel and hemispherical block to the four directions, and gathers in the four directions of inverted funnel, until the horizontal height of the water on the inverted funnel is higher than the horizontal height of the outer end top of inverted L shape drain pipe, and the water is discharged from the outer end top of inverted L shape drain pipe, can avoid gas-liquid two-phase mixing. ACCURATE DRAWINGS

[0020] In order to make the technical scheme of the specific embodiment or prior art of the utility model clearer, the following will briefly introduce the drawings needed to be used in the specific embodiment or prior art description. In all drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, various elements or parts are not necessarily drawn according to actual proportions.

[0021] Figure 1 It is the whole structure of the utility model three-dimensional schematic diagram.

[0022] Figure 2 It is the three-dimensional structure of the utility model oxidation tower and catalytic assembly disassembly schematic diagram.

[0023] Figure 3 It is the three-dimensional structure of the utility model vertical cutting structure schematic diagram.

[0024] Figure 4 It is the whole structure section view of the utility model.

[0025] Figure 5 It is the butt joint pipe downward structure view of the utility model.

[0026] [Reference signs]

[0027] 1, oxidation tower, 2, butt joint pipe; 201, outer sleeve pipe; 202, fastening bolt; 203, rubber ring; 3, catalyst loading cylinder; 301, blocking net; 302, limiting ring; 4, inverted funnel; 401, stand column; 402, hemispherical block; 5, inverted L-shaped drain pipe. DETAILED DESCRIPTION

[0028] Embodiment:

[0029] As Figures 1-5 shown, the embodiment of the utility model provides a kind of gas-liquid limited catalytic oxidation device of easy installation, including oxidation tower 1, butt joint pipe 2 and catalytic assembly, the bottom of oxidation tower 1 is inverted funnel, and the bottom of oxidation tower 1 is passed through and is provided with butt joint pipe 2, the inside top of oxidation tower 1 is installed with catalytic assembly, catalytic assembly includes catalyst loading cylinder 3, blocking net 301 and limiting ring 302, the inside upper and lower of catalyst loading cylinder 3 are fixedly provided with blocking net 301, limiting ring 302 is fixedly set on the outer surface of catalyst loading cylinder 3 upper, the inside central of oxidation tower 1 is installed with reflux assembly;

[0030] Butt joint pipe 2 includes outer sleeve pipe 201, fastening bolt 202 and rubber ring 203, outer sleeve pipe 201 is the pipeline structure of upper seal lower opening, and butt joint pipe 2 is passed through and is provided in the top central of outer sleeve pipe 201, the outside surface of outer sleeve pipe 201 is threadedly connected with fastening bolt 202, the inside top of outer sleeve pipe 201 is embedded and is provided with sealing rubber ring 203.

[0031] By being provided with butt joint pipe 2, when installing oxidation tower 1 on the gas discharge pipe to be catalytically oxidized, by lifting oxidation tower 1, butt joint pipe 2 is aligned with the gas discharge pipe to be catalytically oxidized, so that butt joint pipe 2 is inserted into the inside of the gas discharge pipe to be catalytically oxidized, at this time, outer sleeve pipe 201 is sleeved on the outside surface of the gas discharge pipe to be catalytically oxidized, rubber ring 203 contacts the upper surface of the gas discharge pipe to be catalytically oxidized, realizes sealing, then by tightening fastening bolt 202, so that fastening bolt 202 fixes butt joint pipe 2 on the gas discharge pipe to be catalytically oxidized, completes installation, and installation is simple and convenient to operate.

[0032] In the embodiment, the inside of catalyst loading cylinder 3 is filled with nitrogen oxide catalyst, and catalyst loading cylinder 3 is made of rubber.

[0033] In the embodiment, the outer diameter of the catalyst containing cylinder 3 is the same as the inner diameter of the oxidation tower 1, and the outer surface of the catalyst containing cylinder 3 is in airtight connection with the inner surface of the oxidation tower 1, so as to ensure the sealing between the catalyst containing cylinder 3 and the oxidation tower 1.

[0034] By arranging the catalyst containing cylinder 3, after the to-be-catalyzed gas enters the oxidation tower 1 through the butt joint pipe 2, the nitrogen oxide catalyst is catalyzed by the catalyst in the catalyst containing cylinder 3, nitrogen and water are produced, the nitrogen is directly discharged, and the water drops to the reflux assembly for collection, so as to realize the effect of nitrogen oxide treatment. Since the catalyst containing cylinder 3 is sleeved on the top of the oxidation tower 1, the catalyst containing cylinder 3 is convenient to take out, and the catalyst in the catalyst containing cylinder 3 is convenient to replace.

[0035] In the embodiment, the bottom horizontal height of the outer sleeve pipe 201 is equal to the bottom horizontal height of the butt joint pipe 2, the outer diameter of the butt joint pipe 2 is equal to the inner diameter of the to-be-catalyzed oxidation gas discharge pipe, and the inner diameter of the outer sleeve pipe 201 is not less than the outer diameter of the to-be-catalyzed oxidation gas discharge pipe.

[0036] In the embodiment, the fastening bolts 202 are arranged in four, and the angle corresponding to the adjacent two fastening bolts 202 is 90°, so as to ensure the stability of the butt joint pipe 2 when the fastening bolts 202 are butted.

[0037] In the embodiment, the reflux assembly comprises an inverted funnel 4, a stand 401 and a hemispherical block 402. The inverted funnel 4 is fixedly arranged below the inner side of the oxidation tower 1. The hemispherical block 402 is arranged above the inverted funnel 4 through the stand 401. The side surface of the oxidation tower 1 is provided with an inverted L-shaped drain pipe 5.

[0038] In the embodiment, the hemispherical block 402 is directly above the top through hole of the inverted funnel 4, and the diameter of the hemispherical block 402 is not less than the diameter of the top through hole of the inverted funnel 4. The hemispherical block 402 can block the upper part of the top through hole of the inverted funnel 4, and otherwise the water drops into the inverted funnel 4.

[0039] In the embodiment, the outer end of the inverted L-shaped drain pipe 5 faces upward, the horizontal height of the penetration of the inverted L-shaped drain pipe 5 and the oxidation tower 1 is higher than the horizontal height of the connection of the inverted funnel 4 and the oxidation tower 1, and the top horizontal height of the outer end of the inverted L-shaped drain pipe 5 is not higher than the top horizontal height of the inverted funnel 4. The water can block the inverted L-shaped drain pipe 5, prevent the un-catalyzed nitrogen oxide from being discharged from the inverted L-shaped drain pipe 5, and prevent the horizontal height of the water on the inverted funnel 4 from being higher than the top horizontal height of the inverted funnel 4, so as to prevent the water from entering the lower inner side of the oxidation tower 1 through the top through hole of the inverted funnel 4, and ensure the normal discharge of the exhaust gas by the nitrogen oxide discharge pipe.

[0040] By setting the reflux assembly and the inverted L-shaped drain pipe 5, water can be added into the inverted L-shaped drain pipe 5 during use, and the water enters the inverted funnel through the inverted L-shaped drain pipe 5 to make the water submerge below the inverted L-shaped drain pipe 5, and the water can block the lower part of the inverted L-shaped drain pipe 5; when the catalytic gas passes through the inverted funnel 4 and enters the upper part of the oxidation tower 1, and the water generated after the catalytic assembly catalyzes the nitrogen oxide falls on the inverted funnel 4 and the hemispherical block 402 on the reflux assembly, the water will flow along the inverted funnel 4 and the hemispherical block 402 to the periphery, and the water will be gathered around the inverted funnel 4 until the water level on the inverted funnel 4 is higher than the top level of the outer end of the inverted L-shaped drain pipe 5, and the water will be discharged from the outer end of the inverted L-shaped drain pipe 5, so that the gas-liquid two-phase mixing can be avoided.

[0041] The above is only the preferred embodiment of the present application, and it should be pointed out that, for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application, and these will not affect the effect and practicality of the present application.

Claims

1. A gas-liquid confined catalytic oxidation device that is easy to install, characterized by: The application relates to a catalytic oxidation tower, which comprises an oxidation tower (1), a butt joint pipe (2) and a catalytic assembly, the bottom of the oxidation tower (1) is in an inverted funnel shape, the bottom of the oxidation tower (1) is provided with the butt joint pipe (2), the inner top of the oxidation tower (1) is provided with the catalytic assembly, the catalytic assembly comprises a catalyst containing cylinder (3), a blocking net (301) and a limiting ring (302), the upper and lower sides of the inner side of the catalyst containing cylinder (3) are fixedly provided with the blocking nets (301), the outer surface of the catalyst containing cylinder (3) is fixedly provided with the limiting ring (302) at the top, and the inner side of the oxidation tower (1) is provided with a reflux assembly. The butt joint pipe (2) comprises an outer sleeve pipe (201), fastening bolts (202) and a rubber ring (203), the outer sleeve pipe (201) is in a pipeline structure with a top opening and a bottom opening, the butt joint pipe (2) is provided through the top center of the outer sleeve pipe (201), the outer side surface of the outer sleeve pipe (201) is threadedly connected with the fastening bolts (202), and the inner top of the outer sleeve pipe (201) is embedded with the sealing rubber ring (203).

2. The gas-liquid confined catalytic oxidation device of claim 1, wherein: The inner side of the catalyst containing cylinder (3) is filled with nitrogen oxide catalyst, and the catalyst containing cylinder (3) is made of rubber.

3. The gas and liquid confined catalytic oxidation apparatus of claim 2, wherein: The outer diameter of the catalyst containing cylinder (3) is the same as the inner diameter of the oxidation tower (1), and the outer side surface of the catalyst containing cylinder (3) is in airtight connection with the inner side surface of the oxidation tower (1).

4. The gas-liquid confined catalytic oxidation apparatus for easy installation according to claim 3, characterized by: The bottom horizontal height of the outer sleeve pipe (201) is equal to the bottom horizontal height of the butt joint pipe (2), the outer diameter of the butt joint pipe (2) is equal to the inner diameter of a to-be-catalytically-oxidized gas discharge pipe, and the inner diameter of the outer sleeve pipe (201) is not less than the outer diameter of the to-be-catalytically-oxidized gas discharge pipe.

5. The gas-liquid confined catalytic oxidation apparatus for easy installation according to claim 4, characterized by: The fastening bolts (202) are provided with four, and the corresponding angle of the adjacent two fastening bolts (202) is 90 degrees.

6. The gas and liquid confined catalytic oxidation apparatus of claim 1, wherein: The reflux assembly comprises an inverted funnel (4), a stand (401) and a hemispherical block (402), the inverted funnel (4) is fixedly arranged at the inner lower side of the oxidation tower (1), the upper side of the inverted funnel (4) is provided with the hemispherical block (402) through the stand (401), and the side of the oxidation tower (1) is provided with an inverted L-shaped drain pipe (5).

7. The gas-liquid confined catalytic oxidation apparatus for easy installation according to claim 6, characterized by: The hemispherical block (402) is directly above the top through hole of the inverted funnel (4), and the diameter of the hemispherical block (402) is not less than the diameter of the top through hole of the inverted funnel (4).

8. The gas-liquid confined catalytic oxidation device of claim 7, wherein: The outer end of the inverted L-shaped drain pipe (5) faces upwards, the horizontal height of the penetration position of the inverted L-shaped drain pipe (5) and the oxidation tower (1) is higher than that of the connection position of the inverted funnel (4) and the oxidation tower (1), and the top horizontal height of the outer end of the inverted L-shaped drain pipe (5) is not higher than the top horizontal height of the inverted funnel (4).

Citation Information

Patent Citations

  • Gas-liquid confinement catalytic oxidation device

    CN217939758U