Converter acid discharge interlocking alarm device

By designing the acid chain alarm device under the converter during the vinyl chloride production process, and automatically detecting and alarming with a liquid level gauge, the hydrochloric acid corrosion problem caused by the converter leakage is solved, automatic control is achieved, and the operation cycle of the equipment is extended.

CN222672438UActive Publication Date: 2025-03-25四川永祥树脂有限公司
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Patent Information

Application Number
CN202421096382.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-03-25
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

During the vinyl chloride production process, the leakage of the converter causes hydrochloric acid to enter the gas phase main pipe, causing corrosion of the converter. The existing technology relies on manual inspections and finds that it will cause corrosion hazards if it is not timely.

Method used

Design an acid-chain alarm device under the converter, including a converter gas-phase outlet tee, a plastic ball valve, a liquid level gauge tee, a liquid level gauge and a glass funnel. The liquid level gauge is automatically detected by the converter leakage and an alarm is issued to prevent hydrochloric acid from entering the gas-phase main pipe.

Benefits of technology

Automatic detection and alarm are realized, which reduces the frequency of manual inspection, avoids converter corrosion, and extends the operating cycle of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an acid discharging interlocking alarm device for a converter, and aims to solve the problem that hydrochloric acid generated by leakage of the converter enters a gas-phase header pipe to cause corrosion hazards to the whole operation of the converter due to the fact that inspection personnel do not inspect in time in the prior art. The acid discharging interlocking alarm device for the converter comprises a converter gas phase outlet tee joint, a plastic ball valve, a liquid level meter tee joint, a liquid level meter and a glass funnel, wherein the converter gas phase outlet tee joint is mounted at a converter gas phase outlet, a first joint and a second joint of the converter gas phase outlet tee joint are connected with a gas phase pipeline, and a third joint of the converter gas phase outlet tee joint is connected with the plastic ball valve; the liquid level meter tee joint is arranged between the plastic ball valve and the glass funnel, a first connector of the liquid level meter tee joint is connected with the plastic ball valve, a second connector of the liquid level meter tee joint is connected with the glass funnel, and a third connector of the liquid level meter tee joint is connected with the liquid level meter. The device can automatically detect the leakage of the converter and has an alarm function, so that the corrosion of the converter is avoided while the manpower is saved, and the operation cycle of equipment is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of vinyl chloride production, in particular to an acid interlocking alarm device under a converter. Background Art

[0002] During the production of vinyl chloride, acetylene gas and hydrogen chloride gas enter the converter to generate vinyl chloride gas. The converter is heated by hot water. When the converter leaks, hot water enters the converter and contacts the hydrogen chloride gas to form hydrochloric acid. After the hydrochloric acid enters the gas phase pipe at the outlet of the converter, it will separate at the outlet tee and the acid will enter the glass funnel. The common practice in the prior art is that the inspectors patrol the site, check the glass funnel, and deal with the leak after it is found. The inspectors patrol the site once every 2 hours. If the converter leak is not discovered in time, the hydrochloric acid will enter the gas phase main pipe, eventually causing corrosion of the main pipe and other converters.

[0003] Therefore, it is a technical problem that needs to be solved at present to study a detection device that can save manpower and has an automatic alarm function. Utility Model Content

[0004] The purpose of the utility model is to solve the problem that hydrochloric acid generated by the leakage of the converter enters the gas phase main pipe and causes corrosion damage to the overall operation of the converter due to the failure of existing inspection personnel to conduct inspections in time. The utility model can automatically detect converter leakage and has an automatic alarm function by installing a liquid level meter tee and a liquid level meter (tuning fork liquid level meter), thereby saving manpower while avoiding converter corrosion and extending the equipment operation cycle.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A converter acid interlocking alarm device, characterized in that it comprises a converter gas phase outlet tee, a plastic ball valve, a liquid level gauge tee, a liquid level gauge and a glass funnel; wherein the converter gas phase outlet tee is installed at the converter gas phase outlet, its first joint and second joint are connected to the gas phase pipeline, and its third joint is connected to the plastic ball valve; the liquid level gauge tee is arranged between the plastic ball valve and the glass funnel, its first joint is connected to the plastic ball valve, the second joint is connected to the glass funnel, and the third joint is connected to the liquid level gauge.

[0007] As the preferred technical solution:

[0008] In the converter acid interlocking alarm device as described above, the connection between the converter gas phase outlet tee, the plastic ball valve, the level gauge tee and the glass funnel is a flange connection.

[0009] In the converter lower acid interlocking alarm device as described above, the connection mode between the liquid level meter and the third joint of the liquid level meter tee is flange connection.

[0010] In the converter lower acid interlocking alarm device as described above, the liquid level meter is a tuning fork liquid level meter.

[0011] In the converter lower acid interlocking alarm device as described above, the tuning fork liquid level gauge comprises a vibrating fork body sprayed with polytetrafluoroethylene material.

[0012] As described above, in the converter acid interlocking alarm device, the converter gas phase outlet tee and the liquid level gauge tee are made of PP material, and the pipeline is DN50.

[0013] In the converter lower acid interlocking alarm device as described above, the vibrating fork of the liquid level meter does not extend into the pipeline connecting the plastic ball valve and the glass funnel.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model of the converter acid interlocking alarm device installs a level gauge tee and a level gauge (tuning fork level gauge) on the pipeline connecting the converter gas phase outlet tee and the glass funnel. When the hydrochloric acid generated by the converter leakage enters the glass funnel, the tuning fork level gauge contacts the hydrochloric acid, the frequency changes, and the level gauge automatically alarms, thereby effectively avoiding converter corrosion and extending the equipment operation cycle.

[0016] 2. The converter acid interlocking alarm device of the utility model improves the degree of automatic control, reduces the operation intensity of personnel, and saves manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 This is a schematic diagram of the structure of the acid interlocking alarm device under the converter of the utility model;

[0019] Figure 2 It is a structural schematic diagram of the three-way connection of the liquid level meter in the lower acid interlocking alarm device of the converter of the utility model;

[0020] Reference numerals:

[0021] 1- converter gas phase outlet tee; 2- plastic ball valve; 3- level gauge tee; 4- level gauge; 5- glass funnel; 6- flange; 7- vibration fork body. DETAILED DESCRIPTION

[0022] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0023] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the products of the present invention are conventionally placed when in use, or are the orientations or positional relationships conventionally understood by those skilled in the art, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0027] The disclosure below provides many different embodiments or examples to realize different structures of the present invention. In order to simplify the disclosure of the present invention, the parts and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present invention. In addition, the present invention can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplicity and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present invention provides various specific examples of processes and materials, but those of ordinary skill in the art can be aware of the application of other processes and / or the use of other materials.

[0028] The embodiments of the present invention / utility model are described in detail below with reference to the accompanying drawings.

[0029] The utility model embodiment provides a converter acid interlock alarm device, such as Figure 1 and 2 As shown, the device comprises a converter gas phase outlet tee 1, a plastic ball valve 2, a liquid level gauge tee 3, a liquid level gauge 4 and a glass funnel 5, wherein the converter gas phase outlet tee 1 is installed at the converter gas phase outlet, and its first joint and second joint are respectively connected to the gas phase pipeline, that is, after the connection, the first joint and the second joint connect the gas phase pipeline for gas circuit circulation, and the third joint of the converter gas phase outlet tee 1 is connected to the plastic ball valve 2; the function of the plastic ball valve 2 is to control the connection of the gas circuit between the glass funnel and the converter. When the equipment needs to be regularly inspected and maintained, the plastic ball valve can be closed or opened, and the liquid The level meter tee 3 is arranged between the plastic ball valve 2 and the glass funnel 5, and is used to connect the pipeline between the plastic ball valve 2 and the glass funnel 5. Its first joint is connected to the plastic ball valve 2, the second joint is connected to the glass funnel 5, and the third joint is connected to the liquid level meter 4. That is, the pipeline connected by the first joint and the second joint corresponds to the main channel of the tee, which is used for hydrochloric acid and other particulate matter to flow into the glass funnel, and the third joint corresponds to the bypass channel of the tee. The liquid level meter is installed in this channel to avoid the adverse effect of liquid hanging caused by direct contact with the generated hydrochloric acid or other particulate matter on the performance of the liquid level meter.

[0030] The converter gas phase outlet tee 1, the plastic ball valve 2, the level gauge tee 3 and the glass funnel 5 are all connected via a flange 6.

[0031] The liquid level meter 4 is connected to the third joint of the liquid level meter tee 3 via a flange 6 .

[0032] The liquid level meter 4 is a tuning fork liquid level meter, and its structure is commonly used, such as Figure 2 As shown, when using the present invention, special attention should be paid to the fact that the vibrating tuning fork is located in the bypass channel of the level gauge tee, and the vibrating fork body 7 of the level gauge does not extend into the pipeline connected to the plastic ball valve and the glass funnel. The tuning fork level gauge includes a vibrating fork body 7 sprayed with polytetrafluoroethylene material for the purpose of anti-corrosion. The present invention is not limited to this anti-corrosion form for the vibrating fork body, and other anti-corrosion forms are within the protection scope of the present invention.

[0033] The converter gas phase outlet tee and the liquid level gauge tee in the utility model device are made of PP material, and the pipeline is DN50.

[0034] The utility model relates to a converter acid interlocking alarm device, which installs a level gauge tee and a level gauge (tuning fork level gauge) on a pipeline connecting the converter gas phase outlet tee and a glass funnel. When hydrochloric acid generated by the converter leakage enters the glass funnel, the tuning fork level gauge contacts the hydrochloric acid, the frequency changes, and the level gauge automatically alarms, thereby effectively avoiding converter corrosion and extending the equipment operation cycle. The utility model has an automatic alarm function, can save manpower, and has broad application prospects.

Claims

1. A converter acid interlocking alarm device, characterized in that: It comprises a converter gas phase outlet tee, a plastic ball valve, a liquid level gauge tee, a liquid level gauge and a glass funnel; wherein the converter gas phase outlet tee is installed at the converter gas phase outlet, its first joint and second joint are connected to the gas phase pipeline, and its third joint is connected to the plastic ball valve; the liquid level gauge tee is arranged between the plastic ball valve and the glass funnel, its first joint is connected to the plastic ball valve, its second joint is connected to the glass funnel, and its third joint is connected to the liquid level gauge.

2. A converter acid interlocking alarm device according to claim 1, characterized in that: The connection mode among the converter gas phase outlet tee, the plastic ball valve, the level gauge tee and the glass funnel is flange connection.

3. A converter acid interlocking alarm device according to claim 1, characterized in that: The connection mode between the liquid level meter and the third joint of the liquid level meter tee is flange connection.

4. A converter acid interlocking alarm device according to claim 1, characterized in that: The liquid level meter is a tuning fork liquid level meter.

5. A converter acid interlocking alarm device according to claim 4, characterized in that: The tuning fork level gauge comprises a vibrating fork body sprayed with polytetrafluoroethylene material.

6. A converter acid interlocking alarm device according to claim 1, characterized in that: The converter gas phase outlet tee and the liquid level gauge tee are made of PP material, and the pipeline is DN50.

7. The converter acid interlock alarm device according to claim 1, characterized in that: The vibrating fork of the liquid level meter does not extend into the pipeline connecting the plastic ball valve and the glass funnel.