CN211010813U

CN211010813U - Pipeline explosion pressure relief device

Info

Publication number: CN211010813U
Application number: CN201921651924.2U
Authority: CN
Inventors: 丘少杰
Original assignee: Shandong Zhengda Weiye Environmental Protection Technology Co ltd
Current assignee: Shandong Zhengda Weiye Environmental Protection Technology Co ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2020-07-14
Anticipated expiration: 2029-09-30

Abstract

The utility model discloses a pipeline explosion pressure relief device, the power distribution box comprises a box body, the intermediate position of bottom half outer wall is opened there is the mounting hole, and the intermediate position of box top inner wall has hydraulic cylinder through the bolt fastening, the one end welding of hydraulic cylinder extension rod has the apron, and the inner wall of apron and mounting hole is laminated mutually, box top inner wall is close to hydraulic cylinder's both sides and all has methane concentration detector through the bolt fastening, there is the control box through the bolt fastening on the top outer wall of box, and has the treater through the bolt fastening on the bottom inner wall of control box, there is the audible-visual annunciator through the bolt fastening on the top outer wall of box. The utility model discloses methane consistency transmitter can detect the concentration that exhaust gas contains methane, when reaching methane consistency transmitter's early warning value, gives the treater with signal transmission, then opens audible-visual annunciator and reports to the police, reminds the staff to notice safety, careful naked light.

Description

Pipeline explosion pressure relief device

Technical Field

The utility model relates to a pressure relief device technical field especially relates to a pipeline explosion pressure relief device.

Background

The pipeline is a device which is formed by connecting pipes, pipe connectors, valves and the like and used for conveying gas, liquid or fluid with solid particles, the pipeline is mainly used in water supply, gas supply, hydraulic engineering and various industrial devices due to the unique characteristics of the pipeline, if the gas in the pipeline is too much, the pipeline is not prevented from exploding, and a pipeline explosion pressure relief device is required.

At present, the pipeline explosion pressure relief device in the market mostly has the following defects in the use process: the device only has an exhaust function and does not have other auxiliary functions, so that danger exists during pressure relief, and in conclusion, most of the existing pipeline explosion pressure relief devices cannot well meet actual needs.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a pipeline explosion pressure relief device.

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

the utility model provides a pipeline explosion pressure relief device, includes the box, the intermediate position of bottom half outer wall is opened there is the mounting hole, and the intermediate position of box top inner wall has hydraulic cylinder through the bolt fastening, the one end welding of hydraulic cylinder extension rod has the apron, and the inner wall of apron and mounting hole is laminated mutually, the both sides that box top inner wall is close to hydraulic cylinder all have methane concentration detector through the bolt fastening, there is the control box through the bolt fastening on the top outer wall of box, and has the treater through the bolt fastening on the bottom inner wall of control box, there is the audible-visual annunciator through the bolt fastening on the top outer wall of box, all peg graft on the both sides outer wall of box and have a plurality of discharge pipes.

Furthermore, baffles are welded on two sides of the inner wall of the bottom of the box body, which are close to the cover plate, and a plurality of exhaust pipes are inserted into the outer wall of one side of each baffle.

Further, the position that one side outer wall of apron is close to both ends all pegs graft there is the connecting pipe, and has the solenoid valve through the bolt fastening on one side outer wall of connecting pipe, the bottom of connecting pipe and the bottom parallel and level of apron.

Furthermore, the two sides of the inner wall of the top of the box body, which are close to the baffle, are both fixed with activated carbon filter screens through bolts.

Furthermore, valves are fixed on the outer wall of one side of the discharge pipe through bolts.

Furthermore, the outer wall of one side of the box body is hinged with a box door at the position close to the two ends.

Furthermore, the box body further comprises a rain baffle, and the rain baffle is fixed on the outer wall of the top of the box body through bolts.

The utility model has the advantages that:

1. through the hydraulic cylinder and the cover plate, gas enters the box body from the cover plate during pressure relief, the hydraulic cylinder slowly contracts to enable the cover plate to move upwards, so that the gas enters, the gas is prevented from rushing into the cover plate instantly, and the device is safer to use.

2. Through the methane concentration sensor who sets up, treater and audible-visual annunciator, methane concentration sensor's output passing signal line links to each other with the signal input part of treater, the output passing signal line of treater links to each other with audible-visual annunciator's signal input part, methane concentration sensor can detect the exhaust gas and contain the concentration of methane, when reaching methane concentration sensor's early warning value, give the treater with the signal transmission, then open audible-visual annunciator and report to the police, remind the staff to notice safety, carefully open a fire.

3. Through the active carbon filter screen that sets up, utilize the active carbon filter screen can adsorb impurity and foreign matter, avoid the foreign matter to discharge or get into, the device convenient to use satisfies people's demand.

Drawings

Fig. 1 is a schematic cross-sectional structural view of an embodiment 1 of a pipeline explosion pressure relief device provided by the present invention;

fig. 2 is a schematic diagram of a simple three-dimensional structure of an embodiment 1 of the pipeline explosion pressure relief device provided by the present invention;

fig. 3 is a schematic diagram of a signal flow structure of a pipeline explosion pressure relief device provided by the present invention;

fig. 4 is a schematic structural view of a pipeline explosion pressure relief device in accordance with embodiment 2 of the present invention.

In the figure: 1-box body, 2-exhaust pipe, 3-cover plate, 4-connecting pipe, 5-electromagnetic valve, 6-discharge pipe, 7-valve, 8-active carbon filter screen, 9-acousto-optic alarm, 10-methane concentration detector, 11-hydraulic oil cylinder, 12-processor, 13-baffle, 14-box door and 15-rain baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

Example 1

Referring to fig. 1-3, a pipeline explosion pressure relief device, including box 1, the intermediate position of box 1 bottom outer wall is opened there is the mounting hole, and the intermediate position of box 1 top inner wall has hydraulic cylinder 11 through the bolt fastening, the one end welding of hydraulic cylinder 11 extension rod has apron 3, and apron 3 laminates with the inner wall of mounting hole mutually, the both sides that box 1 top inner wall is close to hydraulic cylinder 11 all have methane concentration detector 10 through the bolt fastening, there is the control box through the bolt fastening on the top outer wall of box 1, and there is treater 12 through the bolt fastening on the bottom inner wall of control box, there is audible-visual annunciator 9 through the bolt fastening on the top outer wall of box 1, all peg graft on the both sides outer wall of box 1 and have a plurality of discharge pipes 6.

The utility model discloses in, baffle 13 has all been welded to 1 bottom inner wall of box near the both sides of apron 3, and it has a plurality of blast pipes 2 to peg graft on one side outer wall of baffle 13, the position that one side outer wall of apron 3 is close to both ends is all pegged graft and is had connecting pipe 4, and there is solenoid valve 5 through the bolt fastening on one side outer wall of connecting pipe 4, the bottom of connecting pipe 4 and the bottom parallel and level of apron 3, arrange the device in pipeline surface's leakage department, aim at the leakage department with apron 3, hydraulic cylinder 11 starts at the beginning, support apron 3, avoid its removal, then slowly shrink hydraulic cylinder 11, apron 3 of messenger shifts up, thereby make gaseous entering, the blast pipe 2 entering of below after gaseous entering, then start solenoid valve 5, residual gas is got into from blast pipe 2 of top by connecting pipe 4.

An active carbon filter screen 8 is fixed on both sides of the inner wall of the top of the box body 1 close to the baffle 13 through bolts, a valve 7 is fixed on the outer wall of one side of the discharge pipe 6 through bolts, foreign matters and impurities are adsorbed under the adsorption of the active carbon filter screen 8, then the valve 7 is opened, the gas is discharged from the discharge pipe 6 for pressure relief, a concentration early warning value is set in advance by the methane concentration detector 10, the methane concentration in the box body 1 is monitored constantly, when the concentration is higher than the early warning value, a signal is transmitted to the processor 12, after the analysis processing of the processor 12, the signal is transmitted to the audible and visual alarm 9, the audible and visual alarm 9 is started to give an alarm to remind a worker of paying attention to safety and carefully and open fire, so that the pressure relief is safely carried out, box doors 14 are hinged on the positions of the outer wall of one side of the box body 1 close to, the processor 12 is of the type ARM9 TDMI.

The working principle is as follows: when the device is used, the device is externally connected with a power supply, the hydraulic oil cylinder 11 is externally connected with a hydraulic system, the device is placed at a leakage position on the surface of a pipeline, the cover plate 3 is aligned to the leakage position, the hydraulic oil cylinder 11 is started to abut against the cover plate 3 to avoid the movement of the cover plate, the hydraulic oil cylinder 11 is slowly contracted to enable the cover plate 3 to move upwards so as to enable gas to enter, the gas enters from the exhaust pipe 2 below after entering, the electromagnetic valve 5 is started, residual gas enters from the exhaust pipe 2 above through the connecting pipe 4 and adsorbs foreign matters, impurities and the like under the adsorption of the activated carbon filter screen 8, the valve 7 is opened, the gas is discharged through the discharge pipe 6 to be decompressed, the methane concentration detector 10 is provided with a concentration early warning value in advance to monitor the methane concentration inside the box body 1 at any time, when the concentration is higher than the early warning value, a signal is transmitted to the processor, and starting the audible and visual alarm 9 to give an alarm to remind workers of paying attention to safety and carefully exposing fire, so that the safety of pressure relief is ensured.

Example 2

Referring to fig. 4, in this embodiment, compared with embodiment 1, the pipe explosion pressure relief device further includes a rain shield 15, and the rain shield 15 is fixed on the top outer wall of the box body 1 through a bolt.

The working principle is as follows: when the rain shielding plate is used, the rain shielding plate 15 is positioned above the device, plays a role in rain shielding, has a certain protection effect, and prevents foreign matters falling from high altitude from influencing the box body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A pipeline explosion pressure relief device comprises a box body (1) and is characterized in that a mounting hole is formed in the middle of the outer wall of the bottom of the box body (1), a hydraulic oil cylinder (11) is fixed at the middle position of the inner wall of the top of the box body (1) through a bolt, one end of the extension rod of the hydraulic oil cylinder (11) is fixedly connected with a cover plate (3), the cover plate (3) is attached to the inner wall of the mounting hole, both sides of the inner wall of the top of the box body (1) close to the hydraulic oil cylinder (11) are fixed with methane concentration detectors (10) through bolts, the outer wall of the top of the box body (1) is fixedly connected with a control box, a processor (12) is fixed on the inner wall of the bottom of the control box through a bolt, an audible and visual alarm (9) is fixed on the outer wall of the top of the box body (1) through a bolt, and a plurality of discharge pipes (6) are inserted into the outer walls of the two sides of the box body (1).

2. The pipeline explosion pressure relief device according to claim 1, wherein baffles (13) are welded to both sides of the inner wall of the bottom of the box body (1) close to the cover plate (3), and a plurality of exhaust pipes (2) are inserted into the outer wall of one side of each baffle (13).

3. The pipeline explosion pressure relief device according to claim 1 or 2, wherein the connecting pipes (4) are inserted into the positions of the outer wall of one side of the cover plate (3) close to the two ends, the electromagnetic valve (5) is fixed on the outer wall of one side of the connecting pipes (4) through bolts, and the bottom ends of the connecting pipes (4) are flush with the bottom end of the cover plate (3).

4. The pipeline explosion pressure relief device according to claim 2, wherein the activated carbon filter screen (8) is fixed on both sides of the inner wall of the top of the box body (1) close to the baffle (13) through bolts.

5. The device for relieving pressure in pipeline explosion according to claim 1, wherein the valve (7) is fixed on the outer wall of one side of the discharge pipe (6) through bolts.

6. The pipeline explosion pressure relief device according to claim 5, wherein the outer wall of one side of the box body (1) is hinged with a box door (14) at the position close to the two ends.

7. The pipeline explosion pressure relief device according to claim 1, further comprising a rain shield (15), wherein the rain shield (15) is fixed on the top outer wall of the box body (1) through bolts.