CN217213927U

CN217213927U - Double prevention device for chemical safety

Info

Publication number: CN217213927U
Application number: CN202221130851.4U
Authority: CN
Inventors: 翟梅玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-05-12
Filing date: 2022-05-12
Publication date: 2022-08-16
Anticipated expiration: 2032-05-12

Abstract

The utility model discloses a chemical industry safety is with dual prevention device, including protective housing, top cap, pipeline and valve, the interior diapire fixed mounting of protective housing have with valve and the corresponding erection column of pipe connection department, the top fixed mounting of erection column has the collection frame, collects the inside of frame and has seted up half disc type recess, and the interior diapire of half disc type recess inlays and is equipped with liquid sensor, and the interior roof and the upper surface of top cap are provided with PLC controller and alarm lamp respectively. This chemical industry safety is with dual prevention device, at the in-process of in-service use, when a small amount of leakages appear in the ring flange of valve and pipe connection department, liquid can drip to in the semicircle dish type recess of collecting the frame to contact with liquid sensor, liquid sensor gives the PLC controller with signal transmission, and PLC controller automatic control alarm lamp reports to the police, makes personnel can the very first time maintain and repair, thereby the effectual practicality that has improved the device.

Description

Double prevention device for chemical safety

Technical Field

The utility model relates to a chemical industry safety technical field specifically is chemical industry safety is with dual prevention device.

Background

Pipelines and valves for transporting chemical liquid often leak due to reasons such as untimely maintenance, so that not only is environmental pollution caused, but also safety accidents are caused.

Chinese patent net publication No. CN215495293U discloses a chemical industry safety is with dual prevention device, including the protective housing, the upper surface of protective housing is connected with the top cap through the hinge rotation, the inside of protective housing is provided with the valve, and the both ends of valve all have the pipeline through ring flange fixed mounting, and the one end that the valve was kept away from to the pipeline extends to the outside of protective housing, the interior diapire of protective housing inlays to establish and installs the mounting box, and the last fixed surface of mounting box is connected with the electrode slice, and the bottom of mounting box extends to the outside of protective housing. This dual prevention device is used in chemical industry safety through setting up electrode slice, remote control ware and audible-visual annunciator, when liquid leakage appears in the valve, the liquid of leaking can be collected in the bottom of protecting box, avoids chemical industry liquid to leak external pollution environment or take place the incident, and contacts the electrode slice when the liquid of leaking, makes the electrode slice intercommunication electrically conductive to trigger audible-visual annunciator and remind the staff to inspect and maintain, realized automatic early warning effect. The technical scheme that this application provided, although can send the early warning after liquid leaks, the volume that needs liquid to leak reaches a certain amount after, when contacting with the electrode slice, just can produce the early warning, it is less with the leakage volume of the junction liquid of valve when the pipeline, when the form of liquid drop slowly drips and leaks, need longer time could with the electrode slice contact, it is untimely to lead to reporting to the police, unable very first time changes the maintenance, the device's practicality has been reduced, and when needs are opened the top cap and are examined the maintenance, need twist the bolt, and the bolt exposes in the outside air for a long time, produce the condition of corrosion easily, bring inconvenience for dismantling work.

Therefore, we propose a double prevention device for chemical safety.

Disclosure of Invention

An object of the utility model is to provide a chemical industry safety is with dual prevention device to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the double prevention device for chemical safety comprises a protective box, a top cover, a pipeline and a valve, wherein an installation column corresponding to the joint of the valve and the pipeline is fixedly installed on the inner bottom wall of the protective box, a collection frame is fixedly installed at the top end of the installation column, a semicircular disc-shaped groove is formed in the collection frame, and the inner bottom wall of the semicircular disc-shaped groove is embedded with a liquid sensor, the inner top wall and the upper surface of the top cover are respectively provided with a PLC controller and an alarm lamp, the side surfaces of the top cover and the protective box are respectively and fixedly provided with an installation block and a connecting block, the lower surface of the installation block is fixedly provided with an insertion block, and the upper surface of the connecting block is provided with an inserting groove matched with the inserting block, the side surface of the connecting block is provided with a sliding hole communicated with the inserting groove, the inner wall of the sliding hole is connected with a positioning rod in a sliding way, and the surface of the plug-in block and the inner wall of the plug-in groove are respectively provided with a positioning hole and a positioning groove which are matched with the positioning rod.

Preferably, the number of the mounting columns is two, and the two mounting columns are symmetrically arranged on the inner bottom wall of the protective box.

Preferably, liquid sensor and alarm lamp all with PLC controller electric connection.

Preferably, an operating panel for pulling the positioning rod is fixedly mounted at the end part of the positioning rod.

Preferably, the surface of the positioning rod is sleeved with a return spring, and two ends of the return spring are respectively fixedly connected with the surfaces of the operating panel and the connecting block.

Advantageous effects

The utility model provides a chemical industry safety is with dual prevention device possesses following beneficial effect:

1. this chemical industry safety is with dual prevention device, through setting up the erection column, collect the frame, half disc type recess, liquid sensor, PLC controller and alarm lamp, make the device at the in-process of in-service use, when a small amount of leakage appears in the ring flange of valve and pipe connection department, liquid can drip to in the half disc type recess of collecting in the frame, and contact with liquid sensor, liquid sensor gives the PLC controller with the signal transmission, PLC controller automatic control alarm lamp reports to the police, make personnel can the very first time maintain and overhaul, thereby the effectual practicality that has improved the device.

2. This dual prevention device is used to chemical industry safety, through setting up the installation piece, the connecting block, the piece that inserts, the locating lever, operation panel and reset spring, when needs overhaul the device and maintain, can outwards stimulate the operation panel and drive the locating lever and remove left, thereby be convenient for open the top cap, and during the installation, after the piece that inserts gets into the inserting groove, loosen the operation panel, the locating lever can insert locating hole and constant head tank under reset spring's effect this moment in, realize the quick installation to the device, and then provide very big facility for operating personnel.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the collecting frame of the present invention.

In the figure: 1 protective box, 2 top caps, 3 pipelines, 4 valves, 5 erection columns, 6 collection frames, 7 semicircular disc type grooves, 8 liquid sensors, 9 PLC controllers, 10 alarm lamps, 11 installation blocks, 12 connecting blocks, 13 insertion blocks, 14 positioning rods, 15 operation panels and 16 return springs.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: chemical industry safety is with dual prevention device, including protective housing 1, top cap 2, pipeline 3 and valve 4, the interior diapire fixed mounting of protective housing 1 has the erection column 5 corresponding with

valve

4 and 3 junctions of pipeline, and the quantity of erection column 5 is two, and 5 symmetries of two erection columns set up the interior diapire at protective housing 1.

The top fixed mounting of erection column 5 has collection frame 6, collects the inside of frame 6 and has seted up half disc type recess 7, and the inner diapire of half disc type recess 7 inlays and is equipped with liquid sensor 8, and the interior roof and the upper surface of top cap 2 are provided with PLC controller 9 and alarm lamp 10 respectively, and liquid sensor 8 and alarm lamp 10 all with PLC controller 9 electric connection.

Through setting up erection column 5, collect frame 6, half disc type recess 7, liquid sensor 8, PLC controller 9 and alarm lamp 10, make the device at the in-process of in-service use, when a small amount of leakage appears in the ring flange of valve 4 and pipeline 3 junction, liquid can drip to in collecting the half disc type recess 7 in the frame 6, and contact with liquid sensor 8, liquid sensor 8 gives PLC controller 9 with signal transmission, PLC controller 9 automatic control alarm lamp 10 reports to the police, make personnel can the very first time maintain and overhaul, thereby the effectual practicality that has improved the device.

Top cap 2 and protective housing 1's side respectively fixed mounting have installation piece 11 and connecting block 12, the lower fixed surface of installation piece 11 installs plug block 13, and the upper surface of connecting block 12 set up with the inserting groove of 13 looks adaptations of plug block, the sliding hole with the inserting groove intercommunication is seted up to the side of connecting block 12, the inner wall sliding connection of sliding hole has locating lever 14, and the locating hole and the constant head tank with 14 looks adaptations of locating lever are seted up respectively to the surface of plug block 13 and the inner wall of inserting groove.

An operation panel 15 for pulling the jumper 14 is fixedly mounted on an end portion of the jumper 14.

The surface of the positioning rod 14 is sleeved with a return spring 16, and two ends of the return spring 16 are fixedly connected with the surfaces of the operating panel 15 and the connecting block 12 respectively.

Through setting up installation piece 11, connecting block 12, grafting piece 13, locating lever 14, operation panel 15 and reset spring 16, when needs overhaul the device and maintain, can outwards stimulate operation panel 15 and drive locating lever 14 and remove left, thereby be convenient for open top cap 2, and during the installation, after grafting piece 13 got into the inserting groove, loosen operation panel 15, locating lever 14 can insert locating hole and constant head tank under reset spring 16's effect this moment in, realize the quick installation to the device, and then provide very big facility for operating personnel.

The working principle is as follows: in the process of actual use of the device, when a small amount of leakage occurs on the flange plate at the joint of the valve 4 and the pipeline 3, liquid can drip into the semicircular disc-shaped groove 7 in the collecting frame 6, and contacts with the liquid sensor 8, the liquid sensor 8 transmits a signal to the PLC 9, the PLC 9 automatically controls the alarm lamp 10 to give an alarm, so that personnel can carry out maintenance and repair at the first time, thereby effectively improving the practicability of the device, and when the device needs to be overhauled and maintained, the operating panel 15 can be pulled outwards to drive the positioning rod 14 to move leftwards, thereby be convenient for open top cap 2, and during the installation, after in the inserted block 13 got into the inserting groove, unclamp operation panel 15, locating lever 14 can insert locating hole and constant head tank under reset spring 16's effect this moment in, realize the quick installation to the device, and then provide very big facility for operating personnel.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Chemical industry is dual prevention device for safety, including protective housing (1), top cap (2), pipeline (3) and valve (4), its characterized in that: the inner bottom wall of the protection box (1) is fixedly provided with a mounting column (5) corresponding to the joint of the valve (4) and the pipeline (3), the top end of the mounting column (5) is fixedly provided with a collecting frame (6), a semicircular disc-shaped groove (7) is formed in the collecting frame (6), a liquid sensor (8) is embedded in the inner bottom wall of the semicircular disc-shaped groove (7), the inner top wall and the upper surface of the top cover (2) are respectively provided with a PLC (programmable logic controller) (9) and an alarm lamp (10), the side surfaces of the top cover (2) and the protection box (1) are respectively fixedly provided with a mounting block (11) and a connecting block (12), the lower surface of the mounting block (11) is fixedly provided with an inserting block (13), the upper surface of the connecting block (12) is provided with an inserting groove matched with the inserting block (13), the side surface of the connecting block (12) is provided with a sliding hole communicated with the inserting groove, and the inner wall of the sliding hole is slidably connected with a positioning rod (14), and the surface of the plug-in block (13) and the inner wall of the plug-in groove are respectively provided with a positioning hole and a positioning groove which are matched with the positioning rod (14).

2. The chemical industry safety is with dual prevention device of claim 1, characterized in that: the number of the mounting columns (5) is two, and the two mounting columns (5) are symmetrically arranged on the inner bottom wall of the protective box (1).

3. The chemical industry safety is with dual prevention device of claim 1, characterized in that: and the liquid sensor (8) and the alarm lamp (10) are electrically connected with the PLC (9).

4. The chemical industry safety is with dual prevention device of claim 1, characterized in that: an operating panel (15) for pulling the positioning rod (14) is fixedly arranged at the end part of the positioning rod (14).

5. The chemical industry safety is with dual prevention device of claim 1, characterized in that: the surface of the positioning rod (14) is sleeved with a return spring (16), and two ends of the return spring (16) are respectively fixedly connected with the surfaces of the operating panel (15) and the connecting block (12).