CN220328648U

CN220328648U - Terminator adjusting device for polymerization runaway phenomenon

Info

Publication number: CN220328648U
Application number: CN202321752756.2U
Authority: CN
Inventors: 奚勇明; 钱海洋; 俞健钧
Original assignee: Jiangsu Guojiao New Materials Co ltd
Current assignee: Jiangsu Guojiao New Materials Co ltd
Priority date: 2023-07-05
Filing date: 2023-07-05
Publication date: 2024-01-12
Anticipated expiration: 2033-07-05

Abstract

The utility model relates to the technical field of fluid pipelines, in particular to a terminator adjusting device for a polymerization runaway phenomenon. The utility model mainly comprises a first high-level tank, a second high-level tank and a reaction kettle, wherein the first high-level tank and the second high-level tank are arranged above the reaction kettle, a discharge port of the first high-level tank is connected with a branch pipeline I and a branch pipeline II through a main pipeline I, the branch pipeline I and the branch pipeline II are respectively connected with a feed inlet I and a feed inlet II of the reaction kettle, a discharge port of the second high-level tank is connected with a branch pipeline III and a branch pipeline IV through a main pipeline II, and the branch pipeline III and the branch pipeline IV are respectively connected with a feed inlet III and a feed inlet IV of the reaction kettle. The utility model has simple structure, but has reliable effect of finishing the feeding of the terminator to stop the polymerization reaction under normal conditions and various adverse conditions.

Description

Terminator adjusting device for polymerization runaway phenomenon

Technical Field

The utility model relates to the technical field of fluid pipelines, in particular to a terminator adjusting device for a polymerization runaway phenomenon.

Background

In the production process of the adhesive, the polymerization reaction is usually required to be stopped manually, and the conventional method is to add a terminator to stop the reaction, so that the condition of reaction runaway is avoided, however, in the actual production process, adverse conditions such as production outage, gas interruption of a gas source and the like can occur, so that a terminator adjusting device for the phenomenon of the runaway polymerization reaction is required to be designed to ensure that the polymerization reaction can be stopped by feeding the terminator rapidly and effectively under normal conditions and various adverse conditions.

Disclosure of Invention

In order to solve the problems, the utility model provides a terminator adjusting device for a polymerization runaway phenomenon, which can rapidly and effectively finish feeding of a terminator to terminate a polymerization reaction under normal conditions and adverse conditions.

In order to achieve the above purpose, the utility model provides a terminator adjusting device for a polymerization runaway phenomenon, which comprises a first high-level tank, a second high-level tank and a reaction kettle, wherein the first high-level tank and the second high-level tank are arranged at the high position of the reaction kettle, a discharge port of the first high-level tank is connected with a branch pipeline I and a branch pipeline II through a main pipeline I, the branch pipeline I and the branch pipeline II are respectively connected with a feed port I and a feed port II of the reaction kettle, a discharge port of the second high-level tank is connected with a branch pipeline III and a branch pipeline IV through a main pipeline II, and the branch pipeline III and the branch pipeline IV are respectively connected with the feed port III and the feed port IV of the reaction kettle.

Further, a valve I and a feed pump I are arranged on the first main pipeline I, and the valve I is positioned below the discharge hole of the first elevated tank.

Further, a second valve and a second feeding pump are arranged on the second main pipeline, and the second valve is located below the discharge hole of the second elevated tank.

Further, an air inlet pipeline I is connected to the main pipeline I, the main pipeline I comprises a vertical pipeline I and a horizontal pipeline I, the vertical pipeline I is perpendicular to the horizontal pipeline I, and the air inlet pipeline I is horizontally connected to a vertical joint of the vertical pipeline I and the horizontal pipeline I.

Further, the second main pipeline is connected with the second air inlet pipeline, the second main pipeline comprises a second vertical pipeline and a second horizontal pipeline, the second vertical pipeline is perpendicular to the second horizontal pipeline, the second air inlet pipeline is connected with the second horizontal pipeline at the position where the second vertical pipeline is perpendicular to the second horizontal pipeline in a connecting mode, the vertical pipeline can ensure that the terminating agent continuously flows out of the elevated tank and enters the horizontal pipeline, the pushing effect generated in the gas inflow process can be fully utilized by the horizontally connected air inlet pipeline, and the terminating agent feeding can be performed more quickly and effectively.

The beneficial effects of the utility model are as follows: the utility model is mainly composed of two high-level tanks and a reaction kettle, wherein the two high-level tanks are arranged at the same time, so that the feeding of the terminator is more guaranteed, four feeding ports are arranged at two sides of the lower part of the reaction kettle, the feeding efficiency of the terminator is improved, the terminator can be rapidly dispersed in the reaction kettle, a pipeline below the high-level tanks is vertically designed, an air inlet pipeline is horizontally connected, the outflow of the terminator in the high-level tanks is facilitated, the power provided by an air source can be fully utilized, and the effect of rapid feeding is achieved. The utility model has simple structure, can rapidly and effectively terminate the uncontrolled polymerization reaction under normal conditions after the uncontrolled polymerization reaction in the reaction kettle occurs, and can rapidly perform the feeding work of the terminator under adverse conditions to effectively terminate the uncontrolled reaction.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

FIG. 2 is a schematic view of a nitrogen source inlet according to the present utility model.

In the figure: 11. the first high-level tank, 12, the second high-level tank, 2, the reaction kettle, 31, a first main pipeline, 311, a first vertical pipeline, 312, a first horizontal pipeline, 32, a second main pipeline, 321, a second vertical pipeline, 322, a second horizontal pipeline, 41, a first branch pipeline, 42, a second branch pipeline, 43, a third branch pipeline, 44, a fourth branch pipeline, 51, a first feed pump, 52, a second feed pump, 61, a first feed port, 62, a second feed port, 63, a third feed port, 64, a fourth feed port, 71, a first air inlet pipeline, 72, a second air inlet pipeline, 81, a first valve, 82, and a second valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In a specific embodiment of the present utility model, as shown in fig. 1, the present embodiment mainly includes a first elevated tank 11, a second elevated tank 12 and a reaction kettle 2, where the first elevated tank 11 and the second elevated tank 12 are disposed above the reaction kettle 2, a discharge port of the first elevated tank 11 is connected to a first branch pipe 41 and a second branch pipe 42 through a first main pipe 31, the first branch pipe 41 and the second branch pipe 42 are respectively connected to a first feed port 61 and a second feed port 62 of the reaction kettle 2, and a discharge port of the second elevated tank 12 is connected to a third branch pipe 43 and a fourth branch pipe 44 through a second main pipe 32, and the third branch pipe 43 and the fourth branch pipe 44 are respectively connected to a third feed port 63 and a fourth feed port 64 of the reaction kettle 2.

In this embodiment, the first main pipe 31 is provided with a first valve 81 and a first feed pump 51, the first valve 81 is located below the discharge port of the first overhead tank 11, the first main pipe 31 includes a first vertical pipe 311 and a first horizontal pipe 312, the first vertical pipe 311 is perpendicular to the first horizontal pipe 312, as shown in fig. 2, and the first air inlet pipe 71 is horizontally connected to the vertical joint of the first vertical pipe 311 and the first horizontal pipe 312.

In this embodiment, the second valve 82 and the second feeding pump 52 are disposed on the second main pipeline 32, the second valve 82 is located below the discharge port of the second overhead tank 12, the second main pipeline 32 includes a second vertical pipeline 321 and a second horizontal pipeline 322, the second vertical pipeline 321 and the second horizontal pipeline 322 are perpendicular to each other, as shown in fig. 2, and the second air inlet pipeline 72 is horizontally connected to the vertical joint of the second vertical pipeline 321 and the second horizontal pipeline 322.

The application process of the utility model is as follows:

the use of the present utility model can be divided into the following cases:

use case under normal conditions: and (3) adding a terminator into the first high-level tank 11 and the second high-level tank 12, when the polymerization reaction in the reaction kettle 2 is out of control, opening all valves on a main pipeline and a branch pipeline, opening a first feeding pump 51 and a second feeding pump 52, driving the terminator in the first high-level tank 11 and the second high-level tank 12 into the reaction kettle 2 by using the two feeding pumps, and under the condition of disturbance of the first feeding pump 51 and the second feeding pump 52 and feeding convection of feeding holes at two sides of the reaction kettle 2, rapidly dispersing the terminator in the reaction kettle 2, fully contacting with the out-of-control polymerization reaction materials in the reaction kettle 2, and rapidly terminating the reaction.

Use under adverse conditions (e.g., power and air break):

(1) The power-off condition occurs: adding a terminator into the first high-level tank 11 and the second high-level tank 12, when the polymerization reaction in the reaction kettle 2 is out of control and the power-off condition occurs at the same time, opening all valves on a main pipeline and a branch pipeline, continuously flowing the terminator into a first main pipeline 31 and a second main pipeline 32 by the first high-level tank 11 and the second high-level tank 12 respectively under the influence of gravity, simultaneously connecting a first air inlet pipeline 71 and a second air inlet pipeline 72, flushing nitrogen into the two air inlet pipelines respectively, forming a gas-liquid mixed phase with the terminator in the first main pipeline 31 and the second main pipeline 32 respectively, pushing the terminator to advance along the pipelines, and finally entering the reaction kettle 2 through feed inlets at two sides of the reaction kettle 2, and under the conditions of nitrogen disturbance and convection of feed inlets at two sides of the reaction kettle 2, rapidly and fully mixing the terminator with materials in the reaction kettle 2 to rapidly terminate the out of control reaction;

(2) The power-off and gas-off conditions occur: and adding a terminating agent into the first high-level tank 11 and the second high-level tank 12, when the polymerization reaction in the reaction kettle 2 is out of control, and simultaneously, the power-off and gas-off conditions occur, simultaneously, all valves on a main pipeline and a branch pipeline are opened, the terminating agent in the first high-level tank 11 and the second high-level tank 12 flows out under the action of gravity, respectively passes through the main pipeline and the branch pipeline, and enters the reaction kettle from four feeding ports on two sides of the reaction kettle 2, and is fed through the four feeding ports, and after entering the reaction kettle 2, the terminating agent is mutually disturbed and rapidly dispersed in the reaction kettle 2 to effectively terminate the out-of-control reaction.

The preferred and optional technical means disclosed in the utility model may be combined arbitrarily to form a plurality of different technical schemes except for the specific description and the further limitation that one preferred or optional technical means is another technical means.

Claims

1. The utility model provides a terminator adjusting device for polymerization runaway phenomenon, its characterized in that includes first elevated tank (11), second elevated tank (12) and reation kettle (2), first elevated tank (11) and second elevated tank (12) set up in the top of reation kettle (2), the discharge gate of first elevated tank (11) is connected with branch pipeline one (41) and branch pipeline two (42) through main pipeline one (31), branch pipeline one (41) and branch pipeline two (42) respectively with feed inlet one (61) and feed inlet two (62) of reation kettle (2) are connected, the discharge gate of second elevated tank (12) is connected with branch pipeline three (43) and branch pipeline four (44) through main pipeline two (32), branch pipeline three (43) and branch pipeline four (44) respectively with feed inlet three (63) and feed inlet four (64) of reation kettle (2).

2. The terminator adjusting device for the out-of-control phenomenon of the polymerization reaction according to claim 1, wherein a valve I (81) and a feeding pump I (51) are arranged on the main pipeline I (31), and the valve I (81) is positioned below a discharge hole of the first elevated tank (11).

3. The terminator adjusting device for the out-of-control phenomenon of the polymerization reaction according to claim 1, wherein a valve II (82) and a feeding pump II (52) are arranged on the main pipeline II (32), and the valve II (82) is positioned below a discharge port of the second elevated tank (12).

4. The terminator adjusting device for the out-of-control phenomenon of the polymerization reaction according to claim 1, wherein the main pipeline I (31) is connected with an air inlet pipeline I (71), the main pipeline I (31) comprises a vertical pipeline I (311) and a horizontal pipeline I (312), the vertical pipeline I (311) and the horizontal pipeline I (312) are mutually perpendicular, and the air inlet pipeline I (71) is horizontally connected at the vertical joint of the vertical pipeline I (311) and the horizontal pipeline I (312).

5. The terminator adjusting device for the out-of-control phenomenon of the polymerization reaction according to claim 1, wherein the main pipeline II (32) is connected with an air inlet pipeline II (72), the main pipeline II (32) comprises a vertical pipeline II (321) and a horizontal pipeline II (322), the vertical pipeline II (321) is perpendicular to the horizontal pipeline II (322), and the air inlet pipeline II (72) is horizontally connected to a vertical joint of the vertical pipeline II (321) and the horizontal pipeline II (322).