Online monitoring device for liquid leakage in chemical reaction

Abstract

The utility model provides an on-line monitoring device for liquid leakage in chemical reaction, and belongs to the technical field of liquid leakage detection in chemical reaction. The mounting mechanism comprises a first mounting plate, a second mounting plate, a first L-shaped frame, a second L-shaped frame, a locking nut, a mounting block, a first connecting rod and a second connecting rod, wherein the inner side faces of the first mounting plate, the second mounting plate, the first L-shaped frame and the second L-shaped frame can make close contact with the outer side face of the pipeline. The first mounting shell and the second mounting shell which are provided with the humidity sensor, the microprocessor and the alarm are tightly fixed to the outer side face of the pipeline, the first mounting shell and the second mounting shell do not generate sound position deviation due to shaking of pipeline operation in the using process, and inflexible detection caused by shaking is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to chemical reaction liquid leakage detection technical field, specifically relates to a chemical reaction liquid leakage on -line monitoring device. BACKGROUND

[0002] In the chemical industry, chemical reaction often involves various toxic, harmful, corrosive or flammable and explosive liquid, once these liquid leak, not only will pollute the environment, also can lead to serious safety accident. Therefore, it is important to implement effective monitoring to the liquid leakage in the chemical reaction process,

[0003] The chemical reaction liquid leakage monitoring device under prior art because in the running process, chemical pipeline is easy to sway, and the loose place of chemical pipeline connection appears, leads to the leakage situation to occur, and the sway is easy to make the sensitivity of monitoring place greatly reduce, makes the staff not timely to find the leakage phenomenon. UTILITY MODEL CONTENTS

[0004] The utility model provides a chemical reaction liquid leakage on -line monitoring device in view of the prior art problem.

[0005] In order to achieve the above purpose, the technical scheme adopted by the present application is:

[0006] A chemical reaction liquid leakage on -line monitoring device, including the pipeline of transporting chemical material liquid, the first installation shell and the second installation shell are detachably installed on the outer side of the pipeline, the first installation shell and the second installation shell opening are opposite, and the first installation shell and the second installation shell are detachably sealed and connected through the bolt.

[0007] The third installation shell is internally provided with a microprocessor, the second installation shell inner wall bottom is fixedly connected with a humidity sensor, and the third installation shell outer side front is fixedly connected with an alarm; the humidity sensor is electrically connected with the microprocessor; and the microprocessor is electrically connected with the alarm.

[0008] The first installation shell and the second installation shell are tightly installed with the outer side of the pipeline through the mounting mechanism.

[0009] As preferred, the mounting mechanism includes semicircular first installation plate and second installation plate, the first installation plate and the second installation plate opening direction are oppositely arranged, the first installation plate and the second installation plate inner side are tightly contactable with the outer side of the pipeline, the first installation plate top is fixedly connected with the first L-shaped frame through the connecting block, and the second installation plate bottom is fixedly connected with the second L-shaped frame through the connecting block; the horizontal section of the first L-shaped frame and the second L-shaped frame is rotatably connected with the lock nut at the last side, and the first L-shaped frame and the second L-shaped frame are connected with the lock nut, and the thread direction is opposite;

[0010] The mounting mechanism further comprises a mounting block, and an inner wall and mounting holes for slidingly connecting the vertical segments of the first and second L-shaped frames are formed on the top and bottom surfaces of the mounting block, respectively.

[0011] The mounting mechanism is provided with two, and the mounting mechanisms are respectively arranged on the left and right sides of the first mounting shell; the side surface of the mounting block close to the first mounting shell is fixedly connected to the outer side surfaces of the first and second mounting shells through the first and second connecting rods.

[0012] Preferably, the first and second mounting shells are fixedly connected with first sealing rubber rings at the connecting positions with the left and right side surfaces of the pipeline; and the front and back surfaces of the first and second mounting shells are fixedly connected with second sealing rubber rings at the connecting positions through the bolts.

[0013] Preferably, the top surface of the first mounting shell is fixedly connected with a nitrogen inlet pipeline with a valve, and the outer side surface of the nitrogen inlet pipeline is further fixedly connected with a gas pressure gauge.

[0014] Compared with the prior art, the device has the following advantages and positive effects:

[0015] The device comprises a mounting mechanism comprising a first mounting plate, a second mounting plate, a first L-shaped frame, a second L-shaped frame, a locking nut, a mounting block, a first connecting rod and a second connecting rod, which are arranged in close contact with the inner side surface and the outer side surface of the pipeline. The first and second mounting shells with a humidity sensor, a microprocessor and an alarm are tightly fixed on the outer side surface of the pipeline. During use, the first and second mounting shells will not be offset due to the shaking of the pipeline, and will not be insensitive due to the shaking. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Fig. 1 It is a structural schematic view of the present application from the front view;

[0018] Fig. 2 It is a structural schematic view of the mounting mechanism of the present application;

[0019] Fig. 3 It is a structural schematic view of the first and second mounting shells of the present application from the right view and sectional view;

[0020] In the above figures, 1. Pipe; 2. First mounting shell; 3. Second mounting shell; 4. Bolt; 5. Third mounting shell; 6. Microprocessor; 7. Humidity sensor; 8. Alarm; 9. First mounting plate; 10. Second mounting plate; 11. First L-shaped bracket; 12. Second L-shaped bracket; 13. Locking nut; 14. Mounting block; 15. First connecting rod; 16. Second connecting rod; 17. First sealing ring; 18. Second sealing ring; 19. Nitrogen inlet pipe; 20. Barometer. Detailed Implementation

[0021] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0022] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0023] Example 1, such as Figs. 1-3 As shown, this application discloses an online monitoring device for liquid leakage in chemical reactions, comprising a pipeline 1 for transporting chemical raw materials; the pipeline 1 can be used to transport highly corrosive substances such as strong acids and strong alkalis. Considering that the pipeline 1 also has a high risk of liquid leakage during the transportation of highly corrosive substances, a first mounting shell 2 and a second mounting shell 3 are detachably installed on the outer side of the pipeline 1. The openings of the first mounting shell 2 and the second mounting shell 3 are opposite each other, and the first mounting shell 2 and the second mounting shell 3 are detachably and sealingly connected by bolts 4. Specifically, when the first mounting shell 2 and the second mounting shell 3 are installed on the outer surface of the pipeline 1 by bolts 4, the internal spaces of the first mounting shell 2 and the second mounting shell 3 are sealed; a third mounting shell 5 is fixedly installed on the bottom surface of the second mounting shell 3.

[0024] The third mounting shell 5 has a built-in microprocessor 6, a high-sensitivity humidity sensor 7 is fixedly connected to the bottom surface of the inner wall of the second mounting shell 3, and an alarm 8 is fixedly connected to the front surface of the outer side of the third mounting shell 5; the humidity sensor 7 is electrically connected to the microprocessor 6; the microprocessor 6 is electrically connected to the alarm 8.

[0025] The first mounting shell 2 and the second mounting shell 3 are tightly mounted with the outer side of the pipeline 1 through a mounting mechanism; in use, the first mounting shell 2 and the second mounting shell 3 are tightly fixed on the outer side of the pipeline 1 through the mounting mechanism, so that the first mounting shell 2 and the second mounting shell 3 are not affected by the vibration of the chemical pipeline or the connection of the chemical pipeline, and the monitoring sensitivity is not affected, and the high-sensitivity humidity sensor 7 can timely discover the occurrence of the leakage at the pipeline connection and timely issue an alarm;

[0026] The mounting mechanism comprises first and second mounting plates 9 and 10 in the shape of semicircular arcs; the first and second mounting plates 9 and 10 are oppositely arranged in the opening direction, and the inner sides of the first and second mounting plates 9 and 10 are tightly contactable with the outer side of the pipeline 1, the top surface of the first mounting plate 9 is fixedly connected with a first L-shaped bracket 11 through a connecting block, and the bottom surface of the second mounting plate 10 is fixedly connected with a second L-shaped bracket 12 through a connecting block; the horizontal sections of the first and second L-shaped brackets 11 and 12 are respectively rotatably connected with lock nuts 13 at the rear, and the threads at the connection positions of the first and second L-shaped brackets 11 and 12 and the lock nuts 13 are oppositely directed;

[0027] The mounting mechanism further comprises a mounting block 14, the top surface and the bottom surface of the mounting block 14 are respectively provided with mounting holes in which the vertical sections of the first and second L-shaped brackets 11 and 12 are slidably connected;

[0028] The mounting mechanism is provided with two, and is respectively arranged on the left and right sides of the first mounting shell 2; the side of the mounting block 14 close to the first mounting shell 2 is fixedly connected with the outer sides of the first and second mounting shells 2 through first and second connecting rods 15 and 16; in use, the first and second L-shaped brackets 11 and 12 respectively drive the first and second mounting plates 9 and 10 to move towards or away from each other by rotating the lock nuts 13, so as to tightly clamp the outer side of the pipeline 1; the first and second connecting rods 15 and 16 tightly mount the first and second mounting shells 2 on the outer side of the pipeline 1, and the first and second mounting shells 2 will not be deviated due to the shaking of the pipeline 1;

[0029] The first and second mounting shells 2 and 3 are respectively fixedly connected with first sealing rubber rings 17 at the connection positions with the left and right sides of the pipeline 1; the front surface and the back surface of the first and second mounting shells 2 and 3 are respectively fixedly connected with second sealing rubber rings 18 at the connection positions of the connecting bolts 4; the first and second sealing rubber rings 17 and 18 can ensure that the shell formed after the first and second mounting shells 2 and 3 are mounted has high air tightness;

[0030] The liquid leakage online monitoring device in chemical reaction of the application is suitable for the position where liquid leakage is prone to occur in the actual application process of the chemical pipeline or the connection between the chemical pipelines, however, the liquid leakage is also prone to occur in other positions of the chemical pipeline; therefore, the first mounting shell 2 is fixedly connected with a nitrogen inlet pipeline 19 with a valve on the top surface, and the nitrogen inlet pipeline 19 is further fixedly connected with a gas pressure gauge 20 on the outer side surface; in use, after the first mounting shell 2 and the second mounting shell 3 are mounted on the outer side surface of the pipeline 1 and the air tightness is checked, nitrogen is introduced into the shell formed after the first mounting shell 2 and the second mounting shell 3 are mounted through the nitrogen inlet pipeline 19, and the internal pressure after the nitrogen is introduced is observed and recorded, if the technician observes that the value of the nitrogen gas pressure gauge 20 fluctuates greatly, then the pipeline 1 needs to be checked for leakage or the air tightness of the first mounting shell 2 and the second mounting shell 3 needs to be checked.

[0031] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An on-line monitoring device for liquid leakage in a chemical reaction, comprising a pipeline (1) for transporting a chemical liquid, characterized in that, The pipeline (1) outer side detachable installation has first installation shell (2) and second installation shell (3), the first installation shell (2) and second installation shell (3) opening opposite, first installation shell (2) and second installation shell (3) between through bolt (4) detachable seal connection;The second installation shell (3) bottom surface fixedly connected with third installation shell (5); Third installation shell (5) built-in microprocessor (6), second installation shell (3) inner wall bottom surface fixedly connected with humidity sensor (7), third installation shell (5) outer side front surface fixedly connected with alarm (8);The humidity sensor (7) and microprocessor (6) are electrically connected;The microprocessor (6) and alarm (8) are electrically connected; The first installation shell (2) and second installation shell (3) are tightly installed with the pipeline (1) outer side through the installation mechanism.

2. The device according to claim 1, wherein, The installation mechanism includes semicircular first mounting plate (9) and second mounting plate (10);The first mounting plate (9) and second mounting plate (10) are oppositely arranged, and the inner side of the first mounting plate (9) and second mounting plate (10) is tightly contacted with the outer side of the pipeline (1), the top surface of the first mounting plate (9) is fixedly connected with the first L-shaped frame (11) through the connecting block, and the bottom surface of the second mounting plate (10) is fixedly connected with the second L-shaped frame (12) through the connecting block;The horizontal section of the first L-shaped frame (11) and the second L-shaped frame (12) is respectively rotatably connected with the lock nut (13), and the thread direction of the first L-shaped frame (11) and the second L-shaped frame (12) is opposite to that of the lock nut (13); The installation mechanism further includes mounting block (14), and the top surface and the bottom surface of the mounting block (14) are respectively provided with mounting holes slidably connected with the vertical section of the first L-shaped frame (11) and the second L-shaped frame (12); The installation mechanism is provided with two, and the installation mechanism is respectively arranged on the left and right sides of the first installation shell (2);The side of the mounting block (14) close to the first installation shell (2) is fixedly connected with the outer side of the first installation shell (2) and the second installation shell (3) through the first connecting rod (15) and the second connecting rod (16).

3. The device according to claim 1, wherein, The first installation shell (2) and the second installation shell (3) are respectively fixedly connected with the first sealing rubber ring (17) at the connection between the left and right sides of the pipeline (1);The front surface and the back surface of the first installation shell (2) and the second installation shell (3) are respectively fixedly connected with the second sealing rubber ring (18) between the bolt (4) connection places.

4. The device according to claim 1, wherein, The top surface of the first installation shell (2) is fixedly connected with the nitrogen inlet pipeline (19) with valve, and the outer side of the nitrogen inlet pipeline (19) is also fixedly connected with the barometer (20).

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