CN216050561U - Chemical gas leakage positioning device - Google Patents
Chemical gas leakage positioning device Download PDFInfo
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- CN216050561U CN216050561U CN202122532815.2U CN202122532815U CN216050561U CN 216050561 U CN216050561 U CN 216050561U CN 202122532815 U CN202122532815 U CN 202122532815U CN 216050561 U CN216050561 U CN 216050561U
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Abstract
The utility model discloses a chemical gas leakage positioning device, which belongs to the field of leakage positioning and comprises a safety protection cover, a conveying pipeline, a leakage-proof pipeline, a conveying pipe, a pair of detection boxes, a group of partition plates and a pair of alarms; a safety protection cavity is arranged in the safety protection cover; the conveying pipeline comprises an inlet pipeline and an outlet pipeline, the inlet pipeline and the outlet pipeline are respectively arranged on the opposite surfaces of the safety protection cover and are connected into the safety protection cavity; can realize in the gaseous transmission course of chemical industry, leak at the junction of adjacent transportation pipeline with preventing leaking the pipeline for avoiding chemical industry gas to and leak the unable accurate detection leakage position after leaking under the influence of external factor, protect the junction through the detection case, if then can collect the gas in the detection case in the safty shield when taking place to leak, in order to ensure that the gas that leaks can not lead to the fact the influence to external environment.
Description
Technical Field
The utility model relates to the field of leakage positioning, in particular to a chemical gas leakage positioning device.
Background
The pipeline transportation has the advantages of large transportation amount, continuity, rapidness, economy, safety, reliability, stability, less investment, less occupied area and low cost, can realize automatic control, has wide application in industrial production, and can transport all chemically stable substances by pipelines in terms of liquid and gas. And in a long distance, a plurality of gas transmission pipelines are required to be connected, and the risk of rupture and gas leakage exists when the gas transmission pipelines are used at the connection position of two adjacent gas transmission pipelines for a long time. The detection accuracy during detection can be influenced by environmental factors, for example, when the detection is carried out, air is blown to scatter, whether air leakage exists at the part or not is difficult to detect, and when the gas is leaked in a trace manner, the air is scattered, so that whether the gas is leaked or not is difficult to detect. Affecting the safety of chemical gas transmission.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a chemical gas leakage positioning device, which can protect a joint by a detection box in order to prevent chemical gas from leaking at the joint of an adjacent transportation pipeline and a leakage-proof pipeline and prevent the leakage position from being accurately detected after the chemical gas leaks under the influence of external factors in the transmission process of the chemical gas, and can collect gas in the detection box in a safety protection cover if the leakage occurs so as to ensure that the leaked gas cannot influence the external environment.
In order to solve the above problems, the present invention adopts the following technical solutions.
A chemical gas leakage positioning device comprises a safety protection cover, a conveying pipeline, a leakage-proof pipeline, a conveying pipe, a pair of detection boxes, a group of partition plates and a pair of alarms; a safety protection cavity is arranged in the safety protection cover; the conveying pipeline comprises an inlet pipeline and an outlet pipeline, the inlet pipeline and the outlet pipeline are respectively arranged on the opposite surfaces of the safety protection cover and are connected into the safety protection cavity; the anti-leakage pipeline is fixedly arranged in the safety protection cavity, and two ends of the anti-leakage pipeline are respectively connected with the inlet pipeline and the outlet pipeline and are mutually communicated; one end of the transmission pipe is connected to the top of the safety protection cover and communicated with the safety protection cavity, the other end of the transmission pipe is connected and communicated with the output pipeline, and a one-way valve is arranged in the part of the transmission pipe, which is connected with the output pipeline; the pair of detection boxes are fixedly arranged at the bottom of the safety protection cavity, are mutually symmetrical in the gas transmission direction and respectively wrap the joints of the inlet pipeline and the outlet pipeline and the leakage-proof pipeline, and a detection cavity is formed in each detection box; the group of partition plates are arranged in the end wall of the anti-leakage pipeline in a sliding manner in pairwise symmetry; the pair of alarms are fixedly arranged in the end wall of the safety protection cavity and connected to the outside of the safety protection cover, and the pair of alarms are mutually symmetrical in the gas transmission direction.
Furthermore, separation grooves are symmetrically arranged in the anti-leakage pipeline along the transmission direction, and are in sliding fit with the separation plates; motors are symmetrically arranged in the anti-leakage pipeline relative to the center, each motor is provided with a motor shaft, and the motor shafts penetrate through the separation grooves; a separation cavity is arranged in the separation plate; the motor shaft is symmetrically provided with cams which are all positioned in the separation cavity.
Furthermore, the separating cavity is in a cross shape, and two ends of the separating cavity penetrate through the separating plate in the transmission direction.
Furthermore, pressure sensors are arranged in the pipe walls of the inlet pipeline and the outlet pipeline.
Further, the bottom of the detection cavity is an arc surface, the arc surface is attached to the joint of the inlet pipeline, the outlet pipeline and the leakage-proof pipeline, and the arc surface is gradually expanded to be separated from the attachment.
Further, an exhaust port is arranged in the end face of the side of the detection box; a cambered plate is arranged in the detection cavity in a sliding manner, the cambered plate is abutted against the outer surfaces of the inlet pipeline and the outlet pipeline, and a spring is connected between the top of the cambered plate and the top wall of the detection cavity; the cambered plate is fixedly provided with a connecting plate close to the side end face of the leakproof pipeline, and the connecting plate extends into the safety protection cavity.
Furthermore, a first sensing element is arranged on the end face of the top side of the connecting plate, and a second sensing element is arranged on the end face of the alarm side.
Compared with the prior art, the utility model has the advantages that:
one, this scheme is in chemical industry gaseous transmission process, for avoiding chemical industry gaseous leaking at adjacent transportation pipeline and the junction of preventing the leakage pipeline to and leak the unable accurate detection leakage position in back under the influence of external factor, protect the junction through the detection case, if can then collect the gas in the detection case in the safety protection casing when taking place to leak, in order to ensure that the gas that leaks can not lead to the fact the influence to external environment.
Second, this scheme is when chemical industry gas leaks from the junction, directly gathers the gas that leaks under the effect through detecting the chamber to control the flow direction of leaking gas, make gas gather together and according to gas leakage quantity, promote the arc panel and the corresponding distance of connecting plate removal, send the alarm of different intensity according to the quantity that leaks with ensureing that the siren corresponds different results and handles fast.
Thirdly, the scheme compares the pressure sensors on the output pipelines through the pressure sensors on the conveying pipelines to judge whether the pressure in the conveying pipelines and the pressure in the output pipelines have large changes under the same output condition or not so as to obtain the judgment in advance. And when chemical gas leaks, the chemical gas can be combined through the mutually symmetrical partition plates to close the leakage-proof pipeline, so that a specific leakage position can be obtained and determined in a near step.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention at A;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic diagram of the right view structure of the present invention;
fig. 6 is a schematic top view of the present invention.
The reference numbers in the figures illustrate:
the safety protection cover 1, the safety protection cavity 11, the transportation pipeline 2, the inlet pipeline 21, the output pipeline 22, the leakage-preventing pipeline 3, the transmission pipe 4, the main control one-way valve 5, the detection box c1, the detection cavity c11, the exhaust port c12, the partition plate c2, the motor c21, the cam c22, the separation cavity c23, the pressure sensor c3, the alarm c4, the connecting plate c5, the cambered plate c51, the separation groove c6, the second sensing element c7 and the first sensing element c 71.
Detailed Description
Referring to fig. 1-6, a chemical gas leakage positioning device includes a safety shield 1, a transportation pipeline 2, a leakage-proof pipeline 3, a transmission pipe 4, a pair of detection boxes c1, a set of partition plates c2, and a pair of alarms c 4; a safety protection cavity 11 is arranged in the safety protection cover 1; the conveying pipeline 2 comprises an inlet pipeline 21 and an outlet pipeline 22, wherein the inlet pipeline 21 and the outlet pipeline 22 are respectively arranged on the opposite surfaces of the safety protection cover 1 and are connected into the safety protection cavity 11; the anti-leakage pipeline 3 is fixedly arranged in the safety protection cavity 11, and two ends of the anti-leakage pipeline are respectively connected with the inlet pipeline 21 and the outlet pipeline 22 and are mutually communicated; one end of a transmission pipe 4 is connected to the top of the safety protection cover 1 and communicated with the safety protection cavity 11, the other end of the transmission pipe 4 is connected and communicated with the output pipeline 22, and a one-way valve 5 is arranged in the part, connected with the output pipeline 22, of the transmission pipe 4; the pair of detection boxes c1 are fixedly arranged at the bottom of the safety protection cavity 11, the pair of detection boxes c1 are mutually symmetrical in the gas transmission direction and respectively wrap the connection parts of the inlet pipeline 21, the outlet pipeline 22 and the leakage-proof pipeline 3, and a detection cavity c11 is formed in the detection box c 1; the group of partition plates c2 are symmetrically arranged in the end wall of the anti-leakage pipeline 3 in a sliding way; a pair of alarm c4 are fixed in the end wall of the safety protection chamber 11 and connected to the outside of the safety protection cover 1, and a pair of alarm c4 are symmetrical to each other in the gas transmission direction.
Referring to fig. 4, separation grooves c6 are symmetrically formed in the anti-leakage pipeline 3 along the transmission direction, and the separation grooves c6 are slidably engaged with the partition plates c 2; motors c21 are symmetrically arranged in the anti-leakage pipeline 3 relative to the center, a motor shaft is arranged on the motor c21, and the motor shaft penetrates through the separation groove c 6; a separation cavity c23 is arranged in the separation plate c 2; the motor shaft is symmetrically provided with a cam c22, and the cams c22 are all positioned in the separation chamber c 23. Referring to fig. 6, the partition c23 is cross-shaped, and both ends of the partition c23 in the transmission direction penetrate through the partition plate c 2. Pressure sensors c3 are provided in the pipe walls of the inlet pipe 21 and the outlet pipe 22.
Referring to fig. 3, the bottom of the detection cavity c11 is an arc surface, which is attached to and wraps the connection between the inlet pipe 21 and the outlet pipe 22, and the leakage-preventing pipe 3, and the arc surface gradually expands to separate from the attachment. An air outlet c12 is arranged on the end face of the side of the detection box c 1; a cambered plate c51 is arranged in the detection cavity c11 in a sliding mode, the cambered plate c51 is abutted to the outer surfaces of the inlet pipeline 21 and the outlet pipeline 22, and a spring is connected between the top of the cambered plate c51 and the top wall of the detection cavity c 11; the cambered plate c51 is fixedly provided with a connecting plate c5 close to the side end face of the leakage-preventing pipeline 3, and the connecting plate c5 extends into the safety protection cavity 11. The end face of the top of the connecting plate c5 is provided with a first sensing element c71, and the end face of the alarm c4 is provided with a second sensing element c 7.
When the conveying pipeline 2 conveys chemical gas, the chemical gas flows in from the inlet pipeline 21 and then is discharged from the leakage-preventing pipeline 3 and the output pipeline 22, and the pressure sensors c3 on the inlet pipeline 21 and the output pipeline 22 are compared to obtain whether the pressure in the conveying pipeline 2 and the output pipeline 22 has large-amplitude change under the same output condition, so that the gas leakage is judged in advance.
When the leakage amount is small, the PLC controls the motor c21 to be started, the motor shaft drives the cam c22 to rotate, the partition plate c2 is pushed out, the partition plates c2 in the same width direction are abutted to each other, the motor c21 is stopped temporarily, it is ensured that chemical gas cannot flow out of the output pipeline 22 temporarily, and the blocked gas can be discharged from the position where the leakage is caused at the joint, so that a specific leakage position is determined, and then the leaked gas can push the arc panel c51 and the connecting plate c5 to move upwards together, so that the first sensing element c71 contacts the second sensing element c7, and the alarm c4 gives a corresponding alarm according to the contact height of the two. While the leak location size is analytically determined based on the rate at which alarm c4 is issued.
When the leakage amount is large, the leaked gas directly pushes the arc panel c51 and the connecting plate c5 to move, so that the alarm c4 gives an alarm to inform a worker to process.
Claims (7)
1. The utility model provides a chemical industry gas leakage positioner which characterized in that: the device comprises a safety protection cover (1), a conveying pipeline (2), a leakage-proof pipeline (3), a conveying pipe (4), a pair of detection boxes (c 1), a group of partition plates (c 2) and a pair of alarms (c 4);
a safety protection cavity (11) is arranged in the safety protection cover (1);
the conveying pipeline (2) comprises an inlet pipeline (21) and an outlet pipeline (22), wherein the inlet pipeline (21) and the outlet pipeline (22) are respectively arranged on the opposite surfaces of the safety protection cover (1) and are connected into the safety protection cavity (11);
the anti-leakage pipeline (3) is fixedly arranged in the safety protection cavity (11), and two ends of the anti-leakage pipeline are respectively connected with the inlet pipeline (21) and the outlet pipeline (22) and are communicated with each other;
one end of the transmission pipe (4) is connected to the top of the safety protection cover (1) and is communicated with the safety protection cavity (11), the other end of the transmission pipe (4) is connected and communicated with the output pipeline (22), and a check valve (5) is arranged in the part of the transmission pipe (4) connected with the output pipeline (22);
the pair of detection boxes (c 1) are fixedly arranged at the bottom of the safety protection cavity (11), the pair of detection boxes (c 1) are mutually symmetrical in the gas transmission direction and respectively wrap the connection part of the inlet pipeline (21) and the outlet pipeline (22) and the anti-leakage pipeline (3), and a detection cavity (c 11) is formed in each detection box (c 1);
the group of partition plates (c 2) are symmetrically arranged in the end wall of the anti-leakage pipeline (3) in a sliding manner;
a pair of alarms (c 4) are fixedly arranged in the end wall of the safety protection cavity (11) and connected to the outside of the safety protection cover (1), and the pair of alarms (c 4) are mutually symmetrical in the gas transmission direction.
2. The chemical gas leakage positioning device according to claim 1, wherein: separation grooves (c 6) are symmetrically arranged in the anti-leakage pipeline (3) along the transmission direction, and the separation grooves (c 6) are in sliding fit with the separation plates (c 2);
motors (c 21) are symmetrically arranged in the anti-leakage pipeline (3) relative to the center, the motors (c 21) are provided with motor shafts, and the motor shafts penetrate through the separation groove (c 6);
a separation cavity (c 23) is arranged in the separation plate (c 2);
the motor shaft is symmetrically provided with cams (c 22), and the cams (c 22) are all positioned in the separation cavity (c 23).
3. The chemical gas leakage positioning device according to claim 1, wherein: the separating chamber (c 23) is cross-shaped, and both ends of the separating chamber (c 23) in the transmission direction penetrate through the separating plate (c 2).
4. The chemical gas leakage positioning device according to claim 1, wherein: and pressure sensors (c 3) are arranged in the pipe walls of the inlet pipeline (21) and the outlet pipeline (22).
5. The chemical gas leakage positioning device according to claim 1, wherein: the bottom of the detection cavity (c 11) is an arc surface, the arc surface is jointed and wrapped at the joint of the inlet pipeline (21), the outlet pipeline (22) and the leakage-proof pipeline (3), and the arc surface part is gradually expanded to be separated from the joint.
6. The chemical gas leakage positioning device according to claim 1, wherein: an exhaust port (c 12) is arranged in the end surface of the side of the detection box (c 1);
an arc panel (c 51) is arranged in the detection cavity (c 11) in a sliding mode, the arc panel (c 51) is abutted to the outer surfaces of the inlet pipeline (21) and the outlet pipeline (22), and a spring is connected between the top of the arc panel (c 51) and the top wall of the detection cavity (c 11);
the cambered plate (c 51) is fixedly provided with a connecting plate (c 5) close to the side end face of the anti-leakage pipeline (3), and the connecting plate (c 5) extends into the safety protection cavity (11).
7. The chemical gas leakage positioning device according to claim 6, wherein: a first sensing element (c 71) is arranged on the end face of the top of the connecting plate (c 5), and a second sensing element (c 7) is arranged on the end face of the alarm (c 4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532815.2U CN216050561U (en) | 2021-10-19 | 2021-10-19 | Chemical gas leakage positioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122532815.2U CN216050561U (en) | 2021-10-19 | 2021-10-19 | Chemical gas leakage positioning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216050561U true CN216050561U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122532815.2U Active CN216050561U (en) | 2021-10-19 | 2021-10-19 | Chemical gas leakage positioning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216050561U (en) |
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2021
- 2021-10-19 CN CN202122532815.2U patent/CN216050561U/en active Active
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