CN210135350U

CN210135350U - Hydrogen fluoride safety conveying pipeline

Info

Publication number: CN210135350U
Application number: CN201921042592.8U
Authority: CN
Inventors: 于昌国; 肖飞; 彭国军; 王坤; 张强
Original assignee: Inner Mongolia Dongyue Jinfeng Fluorine Chemical Co Ltd
Current assignee: Inner Mongolia Dongyue Jinfeng Fluorine Chemical Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-03-10
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a hydrogen fluoride safe conveying pipeline, which comprises a pipeline body, buckling parts arranged on the outer side walls of two ends of the pipeline body, a detection device which is connected with the buckling parts and is used for detecting whether the joint of two pipelines leaks gas, a controller connected with the detection device, and an alarm lamp used for alarming when the detection device detects gas, wherein the two pipelines are connected through a connecting flange; the detection device comprises two semicircular rings which are connected through screws and made of spring pieces, a pair of second convex blocks which are arranged on the inner side wall of each semicircular ring and matched with the buckling parts, and a detection probe which is embedded on each semicircular ring and connected with the controller. The utility model discloses whether can in time monitor the pipeline and have the condition of gas leakage, the staff of being convenient for in time maintains, has improved the security of hydrogen fluoride transmission.

Description

Hydrogen fluoride safety conveying pipeline

Technical Field

The utility model belongs to the technical field of hydrogen fluoride production technique and specifically relates to a hydrogen fluoride safety conveying pipeline is related to.

Background

Hydrogen fluoride is a binary compound consisting of fluorine and hydrogen, and is a colorless gas with pungent odor. Hydrogen fluoride is a weak acid, and hydrogen fluoride and its aqueous solution are toxic and can make skeleton and tooth deformed, and the hydrofluoric acid can be absorbed by mucous membrane, respiratory tract and gastrointestinal tract through skin, so that it can result in poisoning of human body. The hydrogen fluoride of industrial production mostly adopts pipeline transportation, because long-time use, or seal structure is insecure, leads to the pipeline to have the problem of gas leakage, has certain danger, threatens personal safety.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hydrogen fluoride safety conveying pipeline solves current pipeline and has gas leakage, leads to the not high problem of transmission security.

In order to achieve the above object, the utility model adopts the following technical scheme:

a hydrogen fluoride safe conveying pipeline comprises a pipeline body, buckling parts arranged on the outer side walls of two ends of the pipeline body, a detection device which is connected with the buckling parts and used for detecting whether gas leaks from the joint of the two pipelines, a controller connected with the detection device, and an alarm lamp used for alarming when the detection device detects gas, wherein the two pipelines are connected through a connecting flange;

the detection device comprises two semicircular rings connected through screws, a pair of second convex blocks which are arranged on the inner side walls of the semicircular rings and matched with the buckling parts, and a detection probe embedded on the semicircular rings, wherein when the pipes are connected, the semicircular rings between the two second convex blocks and the side walls of the pipes form an arc-shaped cavity, the detection probe penetrates through the side walls of the convex semicircular rings, the detection end is positioned in the arc-shaped cavity, the semicircular rings are made of spring pieces, and the detection probe is connected with the controller.

Furthermore, the buckling part comprises a pair of first convex blocks arranged on the outer side walls of the two ends of the pipeline body, a groove positioned between the two first convex blocks and a sealing gasket arranged on the surfaces of the first convex blocks and the groove, and the second convex blocks are buckled on the groove.

Further, a gas concentration detection device connected with the controller is arranged inside the pipeline body.

Further, the first projection and the second projection are both arranged in a ring shape.

Furthermore, an exhaust port with a control valve is embedded in the semicircular ring.

Further, the controller is detachably connected to the pipeline body through a clamping component.

Further, the controller is also provided with a display screen for displaying the gas concentration.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model discloses a port of connecting two pipelines of flange connection to utilize detection device monitoring flange junction whether to have the condition of gas leakage, simultaneously, because the first lug and the recess of lock-joint part form the concave-convex shape at pipeline port department jointly, and the effect of deuterogamying the sealed pad can delay the time that the gas leakage that leaks in the pipeline leaks to the air; when taking place gas leakage, the test probe that the sense terminal is located the arc intracavity detects gas to control the alarm lamp and start, suggestion staff in time maintains, and when the maintenance, during staff's accessible gas vent was arranged gas to the maintenance container, maintains again, avoids the gaseous personal safety that threatens the staff of leaking, has improved the security of hydrogen fluoride transmission.

(2) The utility model discloses all set up first lug and second lug into the annular, diversely improve sealing performance, reduce the probability that gas leaks to the air.

(3) The utility model discloses the display screen has still been set up for show gas concentration, the staff of being convenient for in time learns the gaseous concentration in the pipeline, looks over the convenience.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic cross-sectional view of a in fig. 1.

Fig. 3 is a schematic side view of a in fig. 1.

Fig. 4 is a schematic structural diagram of the detection device of the present invention.

Fig. 5 is a schematic cross-sectional view of B-B in fig. 4.

Wherein, the names corresponding to the reference numbers are:

1-a pipeline body, 2-a detection device, 3-a buckling part, 4-a buckling part, 5-a gas concentration detection device, 6-a controller, 7-an alarm lamp, 8-a display screen, 9-a detection probe,

21-semicircular ring, 22-screw, 23-second lug, 24-arc cavity, 25-exhaust port,

31-first bump, 32-groove, 33-gasket.

Detailed Description

The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.

Examples

As shown in fig. 1-5, the utility model discloses a hydrogen fluoride safety conveying pipeline, including pipeline body 1, the latch member 3 of setting on the lateral wall at pipeline body 1 both ends, be connected with latch member 3 and be used for detecting two detection device 2 that the pipe connection department leaks gas, the controller 6 of being connected with detection device 2 to and the alarm lamp 7 that is used for the warning when detection device 2 detects gas, two pipelines pass through flange connection, controller 6 can dismantle the connection on pipeline body 1 through joint part 4.

Detection device 2 includes two semicircle rings 21 through screw 22 connection, sets up on the semicircle ring 21 inside wall and a pair of second lug 23 that matches with buckling part 3 to and inlay the test probe 9 of establishing on semicircle ring 21, when the pipe connection, semicircle ring 21 between two second lugs 23 forms arc chamber 24 with the pipeline lateral wall, test probe 9 runs through bellied semicircle ring 21 lateral wall, and the sense terminal is located arc chamber 24, semicircle ring 21 is made by the spring leaf, test probe 9 is connected with controller 6, inlay on the semicircle ring 21 and be equipped with the gas vent 25 that has control flap.

The utility model discloses a buckling part 3 is located recess 32 between two first lugs 31 including setting up a pair of first lug 31 on 1 both ends lateral wall of pipeline body to and set up sealed pad 33 on first lug 31 and recess 32 surface, 23 lock joints of second lug are on recess 32, first lug 31 all sets up to the annular with second lug 23, and diversified sealing performance that improves to reach the time of delaying the gas leakage of pipeline inside leakage to in the air.

The gaseous hydrogen fluoride that this embodiment indicates, the utility model discloses the inside gas concentration detection device 5 who is connected with controller 6 that is provided with of pipeline body 1, controller 6 still is provided with the display screen 8 that is used for showing gas concentration, and the staff of being convenient for in time learns the gaseous concentration in the pipeline, looks over the convenience.

In the process of connecting the two pipelines, the ports of the two pipelines are aligned, the two semicircular rings 21 are buckled on the ports of the pipelines by using a connecting flange for connection, because the inner side walls of the semicircular rings 21 are provided with a pair of second convex blocks 23, when in connection, one of the second convex blocks 23 is placed in the groove 32 of one pipeline port, the other second convex block 23 is placed in the groove 32 of the other pipeline port, the two semicircular rings 21 are tightly connected by using a screw 22, the first convex block 31 and the groove 32 form a concave-convex shape at the pipeline port, and the leakage sealing gasket 33 arranged on the surfaces of the first convex block 31 and the groove 32 is matched, so that the time that the hydrogen fluoride gas leaked in the pipelines leaks into the air can be delayed. The semicircular ring 21 of the utility model is made of spring pieces, the second lug 23 arranged on the semicircular ring 21 is clamped in the groove 32, in actual use, the distance between the grooves 32 is different due to different widths of the connecting pieces between the pipelines, and therefore, after the semi-circle ring 21 is installed, the space size of the arc cavity 24 formed between the two second protrusions 23 is changed correspondingly, the application range of the detection device 2 is improved, when the gas in the pipeline leaks, the gas is gathered in the arc-shaped cavity 24 to facilitate detection, the detection probe 9 with the detection end positioned in the arc-shaped cavity 24 detects the gas, thereby controlling the alarm lamp 7 to be started, prompting the working personnel to maintain in time and avoiding potential safety hazards, when the maintenance, the staff accessible gas vent 25 is discharged gas to the maintenance container in, maintains again, avoids the personal safety of leaking gas threat staff.

The utility model discloses an above-mentioned design, it has gas leakage to have solved current pipeline effectively, the not high problem of leakproofness, at first through the port of flange joint two pipelines, and set up detection device in port department, taking place gas leakage, when test probe detected gas promptly, report to the police through the alarm lamp and indicate the staff, in time the maintenance, reduce the danger coefficient, utilize the leakproofness between detection device and buckling part to delay gaseous leakage simultaneously, improved the security of hydrogen fluoride transmission.

The above embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the protection scope of the present invention, but all the insubstantial changes or modifications made in the spirit and the idea of the main design of the present invention, the technical problems solved by the embodiment are still consistent with the present invention, and all should be included in the protection scope of the present invention.

Claims

1. The hydrogen fluoride safe conveying pipeline is characterized by comprising a pipeline body (1), fastening parts (3) arranged on the outer side walls of two ends of the pipeline body (1), a detection device (2) which is connected with the fastening parts (3) and used for detecting whether gas leaks from the joint of the two pipelines, a controller (6) connected with the detection device (2), and an alarm lamp (7) used for alarming when the detection device (2) detects gas, wherein the two pipelines are connected through a connecting flange;

detection device (2) include two semicircle rings (21) of connecting through screw (22), set up on semicircle ring (21) inside wall and with a pair of second lug (23) of buckling parts (3) matching to and inlay test probe (9) of establishing on semicircle ring (21), when the pipe connection, semicircle ring (21) between two second lugs (23) and pipeline lateral wall form arc chamber (24), test probe (9) run through bellied semicircle ring (21) lateral wall, and the sense terminal is located arc chamber (24), semicircle ring (21) are made by the spring leaf, test probe (9) are connected with controller (6).

2. The safe hydrogen fluoride conveying pipeline according to claim 1, wherein the fastening part (3) comprises a pair of first protrusions (31) arranged on the outer side walls of the two ends of the pipeline body (1), a groove (32) arranged between the two first protrusions (31), and a sealing gasket (33) arranged on the surfaces of the first protrusions (31) and the groove (32), and the second protrusion (23) is fastened on the groove (32).

3. The safe hydrogen fluoride conveying pipeline according to claim 2, wherein a gas concentration detection device (5) connected with a controller (6) is arranged inside the pipeline body (1).

4. A safety hydrogen fluoride conveying pipeline according to claim 3, characterized in that the first projection (31) and the second projection (23) are both arranged in a ring shape.

5. The safety pipeline for delivering hydrogen fluoride as claimed in claim 4, wherein the semi-circular ring (21) is embedded with an exhaust port (25) with a control valve.

6. The safety hydrogen fluoride conveying pipeline according to claim 5, wherein the controller (6) is detachably connected to the pipeline body (1) through the clamping component (4).

7. The safe hydrogen fluoride conveying pipeline according to claim 6, wherein a display screen (8) for displaying the gas concentration is further arranged on the controller (6).