Safety control device for phosgene synthesis

By designing a safety control device for phosgene synthesis, and using a sealing sleeve and a chlorine detector to seal and monitor the connection of the liquid chlorine pipeline, the problem of liquid chlorine leakage was solved, and safety control was achieved.

CN223709367UActive Publication Date: 2025-12-23HENAN PINGMEI SHENMA POLYCARBON MATERIAL CO LTD
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Patent Information

Application Number
CN202520430221.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2025-12-23
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

The lack of leak detection and sealing measures at the connection points of the long-distance liquid chlorine pipeline in existing phosgene synthesis plants results in a high risk of leakage.

Method used

Design a safety control device for phosgene synthesis, including a first sealing sleeve and a second sealing sleeve, which are connected by threads to seal the pipe connection and equipped with a chlorine detector to achieve leak monitoring and sealing.

Benefits of technology

Effectively seal pipe connections, promptly detect and seal chlorine leaks to prevent chlorine spread and ensure safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a phosgene synthesis safety control device which comprises a first plugging sleeve and a second plugging sleeve which are sleeved on a pipeline, the first plugging sleeve can be in threaded connection with the second plugging sleeve on an adjacent pipeline, flanges are fixed at two ends of the pipeline, two adjacent pipelines are connected through the flanges, a convex seat is arranged on the second plugging sleeve, and the convex seat is arranged on the pipeline. A convex circular groove is formed in the convex seat, and a chlorine detector is in threaded connection with the interior of the convex circular groove. The first plugging sleeve is in threaded connection with the second plugging sleeve on the adjacent pipeline, so that the first plugging sleeve and the second plugging sleeve on the adjacent pipeline cover the flange connecting position of the two pipelines, the effect of further sealing the flange connecting position of the two pipelines can be achieved, and the effect of monitoring liquid chlorine leakage is achieved through the chlorine detector; when chlorine gas at the two pipelines leaks, the first plugging sleeve and the second plugging sleeve on the adjacent pipeline play a further sealing and plugging role, and chlorine gas diffusion is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a light gas synthesis technology, especially a light gas synthesis safety control device. BACKGROUND

[0002] Liquid chlorine is a basic chemical raw material, and its chemical name is liquid chlorine, which is a yellow-green oily liquid. It can be vaporized into a gas at normal pressure. Light gas is generated by carbon monoxide and chlorine gas in a special gas phase reaction container.

[0003] Liquid chlorine is needed for light gas synthesis, and the liquid chlorine long pipeline of the light gas device is a factory area pipe gallery. The existing pipeline is a single-layer carbon steel pipe, and there is a lack of leakage detection measures and leakage plugging measures at the pipeline connection. Therefore, the utility model provides a light gas synthesis safety control device to monitor and plug the liquid chlorine leakage at the pipeline connection. UTILITY MODEL CONTENT

[0004] The utility model aims to provide a light gas synthesis safety control device to solve the problem of the lack of leakage detection measures and leakage plugging measures at the connection of the existing liquid chlorine long pipeline.

[0005] In order to solve the above problems, the utility model provides a light gas synthesis safety control device, which comprises a first plugging sleeve and a second plugging sleeve sleeved on the pipeline. The first plugging sleeve is threadedly connected with the second plugging sleeve on the adjacent pipeline. The two ends of the pipeline are fixed with flanges, and the adjacent two pipelines are connected through the flanges. The second plugging sleeve is provided with a boss, and a convex circular groove is formed in the boss. A chlorine gas detector is threadedly connected in the convex circular groove.

[0006] The light gas synthesis safety control device provided by the utility model also has the following technical features:

[0007] Further, the opposite sides of the bottoms of the first plugging sleeve and the second plugging sleeve are respectively fixed with annular pieces.

[0008] Further, the annular pieces are fixed with sealing rings, and one side of the sealing ring can abut against the corresponding flange.

[0009] Further, a convex cylinder that can move up and down is arranged in the convex circular groove. The top of the convex cylinder is open, and a plurality of air vents are formed in the side of the bottom of the convex cylinder. The plurality of air vents can communicate with the inside of the second plugging sleeve.

[0010] Further, the stepped surface of the convex cylinder is fixedly connected with the boss through a tension spring.

[0011] Further, a support rod is fixed to the top of the convex cylinder, and the bottom of the chlorine gas detector can abut against the support rod.

[0012] The utility model discloses have following beneficial effect: through with the second plugging sleeve of adjacent pipeline on first plugging sleeve is connected with screw, make first plugging sleeve with the second plugging sleeve on adjacent pipeline will two pipeline through flange junction cover, can play two pipeline through flange junction further sealed effect, and through chlorine detector play liquid chlorine leakage monitoring effect, when chlorine of two pipeline place leaks, first plugging sleeve and the second plugging sleeve on adjacent pipeline play further sealing effect, avoid chlorine diffusion, and chlorine detector detects chlorine leakage and alarm, further play the effect of safety control. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the axonometric view of the embodiment of the utility model;

[0014] Figure 2 It is the main view cut drawing of the embodiment of the utility model;

[0015] Figure 3 It is the embodiment of the utility model Figure 2 The structure schematic diagram of enlarged A place in. DETAILED DESCRIPTION

[0016] The utility model will be explained in the following with reference to the drawings and in combination with the embodiments. It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0017] As Figures 1 to 3 The embodiment of the phosgene synthesis safety control device of the utility model as shown, the phosgene synthesis safety control device includes the first plugging sleeve 2 and the second plugging sleeve 3 of being sleeved on pipeline 1, first plugging sleeve 2 can be connected with screw on the second plugging sleeve 3 of adjacent pipeline 1, the both ends of pipeline 1 are fixed with flange 4, and adjacent two pipelines 1 are connected through flange 4, and the gasket between two flanges 4 plays the sealing effect, the convex seat 5 is equipped on the second plugging sleeve 3, the convex circular groove is seted up on the convex seat 5, and the chlorine detector 6 is connected with screw in the convex circular groove, and the buzzer is equipped on chlorine detector 6, when chlorine detector 6 detects chlorine, the buzzer alarm, after liquid chlorine leaks, due to pressure change, will become chlorine, through with the second plugging sleeve 3 of adjacent pipeline 1 on first plugging sleeve 2 is connected with screw, make first plugging sleeve 2 with the second plugging sleeve 3 on adjacent pipeline 1 will two pipeline 1 through flange 4 junction cover, can play two pipeline 1 through flange 4 junction further sealed effect, and through chlorine detector 6 play liquid chlorine leakage monitoring effect, when chlorine of two pipeline 1 place leaks, first plugging sleeve 2 and the second plugging sleeve 3 on adjacent pipeline 1 play further sealing effect, avoid chlorine diffusion, and chlorine detector 6 detects chlorine leakage and alarm, further play the effect of safety control.

[0018] In one embodiment of the present application, preferably, the opposite sides of the bottom of the first sealing sleeve 2 and the second sealing sleeve 3 are respectively fixed with annular flanges 7.

[0019] In one embodiment of the present application, preferably, the annular flanges 7 are fixed with sealing rings 8, one side of the sealing ring 8 can be in contact with the corresponding flange 4. Through the arrangement of the annular flanges 7 and the sealing rings 8, when the first sealing sleeve 2 and the second sealing sleeve 3 on the adjacent pipeline 1 are threadedly connected, the two are close to each other, so that one side of the sealing ring 8 can be in contact with the corresponding flange 4, thereby further playing a sealing role.

[0020] In one embodiment of the present application, preferably, a convex cylinder 9 that can move up and down is arranged in the convex circular groove, the top of the convex cylinder 9 is open, and a plurality of air holes 10 are arranged on the side of the bottom of the convex cylinder 9, and the plurality of air holes 10 are in communication with the inside of the second sealing sleeve 3.

[0021] In one embodiment of the present application, preferably, the stepped surface of the convex cylinder 9 is fixedly connected with the convex seat 5 through a tension spring 11.

[0022] In one embodiment of the present application, preferably, the top of the convex cylinder 9 is fixed with a supporting rod 12, and the bottom of the chlorine detector 6 can be in contact with the supporting rod 12, so that when the chlorine detector 6 is installed, the bottom of the chlorine detector 6 drives the supporting rod 12 and the convex cylinder 9 to move downward, so that the plurality of air holes 10 are in communication with the inside of the second sealing sleeve 3, when chlorine leaks, chlorine can enter the convex cylinder 9 through the air holes 10 and then enter the chlorine detector 6 to be detected, when the chlorine detector 6 is taken out, the convex cylinder 9 is pulled upward under the action of the tension spring 11, and the plurality of air holes 10 are blocked by the convex seat 5, thereby avoiding chlorine leakage after the chlorine detector 6 is taken down.

[0023] In use, the first sealing sleeve 2 and the second sealing sleeve 3 on the adjacent pipeline 1 are threadedly connected, so that the first sealing sleeve 2 and the second sealing sleeve 3 on the adjacent pipeline 1 cover the flange 4 connection between the two pipelines 1, and when the first sealing sleeve 2 and the second sealing sleeve 3 on the adjacent pipeline 1 are threadedly connected, the two are close to each other, so that one side of the sealing ring 8 can be in contact with the corresponding flange 4, thereby further playing a sealing role, and the flange 4 connection between the two pipelines 1 can be further sealed, when the chlorine detector 6 is installed, the bottom of the chlorine detector 6 drives the supporting rod 12 and the convex cylinder 9 to move downward, so that the plurality of air holes 10 are in communication with the inside of the second sealing sleeve 3, when chlorine leaks, chlorine can enter the convex cylinder 9 through the air holes 10 and then enter the chlorine detector 6 to be detected, when the chlorine detector 6 is taken out, the convex cylinder 9 is pulled upward under the action of the tension spring 11, and the plurality of air holes 10 are blocked by the convex seat 5, thereby avoiding chlorine leakage after the chlorine detector 6 is taken down.

[0024] It should be finally pointed out that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been explained in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A safety control device for synthesis of phosgene, comprising a first blocking sleeve (2) and a second blocking sleeve (3) which are fitted on a pipe (1), characterized in that, The first plugging sleeve (2) can be threadedly connected with a second plugging sleeve (3) on an adjacent pipeline (1), both ends of the pipeline (1) are fixed with flanges (4), two adjacent pipelines (1) are connected through the flanges (4), the second plugging sleeve (3) is provided with a boss (5), the boss (5) is provided with a convex circular groove, and a chlorine detector (6) is threadedly connected in the convex circular groove.

2. The phosgene synthesis safety control apparatus of claim 1, wherein: The first plugging sleeve (2) and the second plugging sleeve (3) are respectively fixed with annular sheets (7) on opposite sides of the bottom.

3. The phosgene synthesis safety control apparatus of claim 2, wherein: The annular sheet (7) is fixed with a sealing ring (8), and one side of the sealing ring (8) can abut against a corresponding flange (4).

4. The phosgene synthesis safety control apparatus of claim 1, wherein: The convex circular groove is provided with a convex cylinder (9) which can move up and down, the top of the convex cylinder (9) is open, the side of the bottom of the convex cylinder (9) is provided with a plurality of air holes (10), and the plurality of air holes (10) are communicated with the inside of the second plugging sleeve (3).

5. The phosgene synthesis safety control apparatus of claim 4, wherein: The stepped surface of the convex cylinder (9) is fixedly connected with the boss (5) through a tension spring (11).

6. The phosgene synthesis safety control apparatus of claim 4, wherein: The top of the convex cylinder (9) is fixed with a supporting rod (12), and the bottom of the chlorine detector (6) can abut against the supporting rod (12).