CN210716528U

CN210716528U - Leaked liquid collecting and automatic discharging device

Info

Publication number: CN210716528U
Application number: CN201921432558.1U
Authority: CN
Inventors: 林金峰; 张蒲根; 王国圈; 刘重阳; 丁菊; 张烨; 刘书宏
Original assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Current assignee: Shanghai Special Equipment Supervision and Inspection Technology Institute
Priority date: 2019-08-30
Filing date: 2019-08-30
Publication date: 2020-06-09
Anticipated expiration: 2029-08-30

Abstract

The utility model relates to a weeping is collected and automatic discharging equipment for the collection and the automatic discharge of flange weeping, the flange include two relative settings and sealed fixed ring flange (1), the device includes weeping collector and automatic discharger, the weeping collector including set up the flange outside and with two ring flange (1) sealed face department parcel wherein collection casing (2), automatic discharger include leakage fluid dram and liquid storage pot (15), the leakage fluid dram intercommunication collection casing (2), the leakage fluid dram in be equipped with the emission mechanism of automatic discharge when weeping superpressure or excess, the leakage fluid dram connect liquid storage pot (15). Compared with the prior art, the utility model discloses can realize carrying out automatic collection and emission to the weeping when taking place to leak, prevent to reveal the occurence of failure who leads to, guarantee safety.

Description

Leaked liquid collecting and automatic discharging device

Technical Field

The utility model relates to a chemical industry medium reveals processing apparatus, especially relates to a weeping is collected and automatic discharging equipment.

Background

As is known to all, chemical media are toxic, flammable and explosive, and once media leakage occurs in equipment and pipelines for storing and conveying the chemical media, the chemical media are combusted and exploded, so that huge losses are generated to enterprises and the society. At present, the pipelines and equipment for storing and conveying chemical media achieve a sealing effect through flange connection, the leakage rate of internal media at the flange connection position can be reduced as far as possible by applying pretightening force to the flange through fastening bolts, and even if large enough bolt pretightening force is applied, the leakage rate cannot be reduced to 0. When the pretightening force is insufficient, leakage can be increased, and meanwhile, the bolt can generate creep deformation or stress relaxation and other phenomena along with the time extension, so that the bolt generates plastic deformation, the sealing failure is caused, and the problems of leakage, combustion, even explosion and the like are caused. Therefore, there is a need to design a leakage collecting and discharging device to collect and discharge leakage when leakage occurs, so as to avoid accidents.

SUMMERY OF THE UTILITY MODEL

The object of the present invention is to provide a device for collecting and automatically discharging leaked liquid for overcoming the drawbacks of the prior art.

The purpose of the utility model can be realized through the following technical scheme:

the device comprises a leakage collector and an automatic discharger, wherein the leakage collector comprises a collecting shell which is arranged on the outer side of the flange and wraps sealing surfaces of two flanges, the automatic discharger comprises a liquid discharger and a liquid storage tank, the liquid discharger is communicated with the collecting shell, a discharging mechanism which automatically discharges when leakage is in overpressure or excess is arranged in the liquid discharger, and the liquid discharger is connected with the liquid storage tank.

The collecting shell is a shell which can elastically stretch out and draw back along with the change of the distance between the two flange plates.

The collecting shell is a waveform shell capable of elastic expansion.

The bottom of the collecting shell is provided with a liquid discharge hole, and the liquid discharge hole is provided with an internal thread which is in threaded connection with the automatic discharger.

The liquid discharging device comprises a liquid discharging shell, wherein an external thread matched with the internal thread of the liquid discharging hole is arranged on the periphery of the liquid discharging shell, a liquid inlet hole communicated with the collecting shell is formed in the top of the liquid discharging shell, the discharging mechanism is arranged in a cavity inside the liquid discharging shell, and a discharging hole communicated with the liquid storage tank is formed in the bottom of the liquid discharging shell.

The discharge mechanism include the weight plate and be used for the switch module of weight plate up-and-down motion, the weight plate level set up in the connecting rod bottom and cut apart into two upper and lower independent cavities with flowing back casing, the switch module set up in the weight plate top, the inside weight plate position department that sets up of flowing back casing be fixed with the round sealing washer, the sealing washer be equipped with a take the altitude, when weight plate top weeping is no longer than settlement pressure or weight, the weight plate be located sealing washer height scope and through the sealing washer sealed with upper and lower two independent cavities isolated, when weight plate top weeping surpassed settlement pressure or weight, weight plate downstream and be less than the sealing washer bottom, two upper and lower independent cavities communicate.

The switch assembly comprises a connecting rod, a spring and an adjusting nut, the connecting rod is provided with a plurality of connecting rods and is vertically fixed in the liquid drainage shell, the spring is sleeved on the connecting rod, the upper end of the spring is fixed on the connecting rod through the adjusting nut and controls the pre-tightening force of the spring, and the lower end of the spring is fixedly connected with the counterweight plate.

The discharge hole at the bottom of the liquid discharge shell is communicated with the liquid storage tank through a guide pipe.

Compared with the prior art, the utility model has the advantages of as follows:

(1) the utility model is provided with the leakage collector and the automatic discharger, when the sealing surface of the flange plate is not tightly sealed, the leakage collector realizes leakage collection and further discharges through the automatic discharger, and the automatic discharger performs centralized automatic discharge when leakage is over-pressure or over-volume, thereby ensuring the safety of leakage discharge;

(2) the utility model is provided with the waveform shell which can elastically stretch out and draw back to collect leakage, and can freely stretch out and draw back along with the change of the distance between the flange plates, thereby ensuring the hundreds collection of leakage media;

(3) the utility model discloses a switch module is constituteed to connecting rod, spring and adjusting nut, and when the weeping pressure of collecting above the weight plate was greater than spring force, weight plate gravity and sealing resistance three sum, the spring extension, the weight plate moves down, and the liquid storage pot is discharged to the automatic discharge of weeping, simple structure is easy.

Drawings

FIG. 1 is a schematic view of the installation structure of the leakage collector and the flange of the present invention;

fig. 2 is a schematic structural view of the automatic discharger of the present invention.

In the figure, 1 is a flange plate, 2 is a collecting shell, 3 is a welding spot, 4 is a fastening bolt, 5 is a liquid discharge hole, 6 is a liquid inlet hole, 7 is a liquid discharge shell, 8 is an adjusting nut, 9 is a connecting rod, 10 is a spring, 11 is a counterweight plate, 12 is a sealing ring, 13 is a discharge hole, 14 is a guide pipe, and 15 is a liquid storage tank.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.

Examples

As shown in fig. 1 and 2, the leaked liquid collecting and automatic discharging device is used for collecting and automatically discharging leaked liquid of a flange, the flange comprises two flange plates 1 which are oppositely arranged and are hermetically fixed, and the two flange plates 1 are fixed through fastening bolts 4.

The utility model discloses weeping is collected and automatic discharging equipment includes weeping collector and automatic discharger, and the weeping collector is including setting up the flange outside and wrapping up two 1 sealed face departments of ring flange collection casing 2 wherein, and the automatic discharger includes leakage fluid dram and liquid storage pot 15, and casing 2 is collected to the leakage fluid dram intercommunication, is equipped with the discharge mechanism who discharges automatically when weeping superpressure or excess in the leakage fluid dram, and liquid storage pot 15 is connected to the leakage fluid dram.

Specifically, the collecting housing 2 is a corrugated housing that can elastically expand and contract with a change in the distance between the two flanges 1. The collecting shell 2 and the flange plate 1 are welded to form welding points 3 in the figure 1, and when the distance between the flange plates 1 changes, the collecting shell 2 can freely stretch and retract, so that hundreds of leaked media are collected.

The bottom of the collecting shell 2 is provided with a liquid discharge hole 5, and the liquid discharge hole 5 is provided with an internal thread which is used for being in threaded connection with an automatic discharger. The flowing back ware includes flowing back casing 7, and 7 peripheries of flowing back casing are equipped with the external screw thread that matches with 5 internal threads in outage, and 7 tops of flowing back casing are equipped with the feed liquor hole 6 with collecting casing 2 intercommunication, and the discharge mechanism sets up in 7 inside cavities in flowing back casing, and 7 bottoms in flowing back casing are equipped with the discharge hole 13 with liquid storage pot 15 intercommunication. The discharge hole 13 in the bottom of the drain housing 7 communicates with the reservoir tank 15 through a conduit 14. The size of the drain hole 5 and the size of the drain case 7 in fig. 1 and 2 are merely illustrative, and the upper portion of the drain case 7 is screwed into the drain hole 5 to be fixed.

The discharge mechanism comprises a weight plate 11 and a switch component used for the weight plate 11 to move up and down, the weight plate 11 is horizontally arranged at the bottom of the connecting rod 9 and divides the liquid discharge shell 7 into an upper cavity and a lower cavity, the switch component is arranged above the weight plate 11, a circle of sealing ring 12 is fixed at the position of the weight plate 11 arranged in the liquid discharge shell 7, the sealing ring 12 is provided with a certain height, the sealing ring 12 is provided with a certain thickness, the sealing ring 12 is not flush with the inner wall of the liquid discharge shell 7 but protrudes outwards, meanwhile, the diameter of the weight plate 11 is smaller than the inner diameter of the liquid discharge shell 7, when liquid leakage above the weight plate 11 does not exceed a set pressure or weight, the weight plate 11 is positioned in the height range of the sealing ring 12, the weight plate 11 is tightly matched with the sealing ring 12 to seal and isolate the upper cavity and the lower cavity, when the liquid leakage above the weight plate 11 exceeds the set, the upper and lower independent cavities are communicated. The switch component comprises a connecting rod 9, a spring 10 and an adjusting nut 8, the connecting rod 9 is provided with a plurality of connecting rods and is vertically fixed in the liquid discharge shell 7, the spring 10 is sleeved on the connecting rod 9, the upper end of the spring 10 is fixed on the connecting rod 9 through the adjusting nut 8 and controls the pretightening force of the spring 10, and the lower end of the spring 10 is fixedly connected with a counterweight plate 11.

The utility model discloses the concrete principle that the weeping discharged does: when the weeping pressure of collecting above the counterweight plate 11 was greater than spring 10 elasticity, counterweight plate 11 gravity and sealing resistance three sum, spring 10 extension, counterweight plate 11 downstream, and counterweight plate 11 breaks away from sealing washer 12, and the weeping is automatic to be discharged, when the weeping unloads the back, spring 10 kick-backs, and counterweight plate 11 returns the initial position, the utility model discloses automatic discharger concentrates automatic discharge when weeping superpressure or excess, is favorable to environmental protection, avoids revealing simultaneously and arouses poisoning and explosion etc. guarantees the security that the weeping was discharged.

The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.

Claims

1. The utility model provides a weeping is collected and automatic discharging equipment for flange weeping's collection and automatic discharge, the flange include two relative settings and sealed fixed ring flange (1), characterized by, the device includes weeping collector and automatic discharger, the weeping collector include set up the flange outside and with two ring flange (1) sealing surface department parcel wherein collect casing (2), automatic discharger include liquid discharging device and liquid storage pot (15), the liquid discharging device communicate collect casing (2), be equipped with the discharge mechanism of automatic discharge when weeping superpressure or excess in the liquid discharging device, the liquid discharging device connect liquid storage pot (15).

2. A leaking liquid collecting and automatic draining device according to claim 1, characterized in that said collecting housing (2) is a housing which can be elastically stretched in response to the change of the distance between the two flanges (1).

3. A leaking liquid collecting and automatic draining device according to claim 2, characterized in that said collecting casing (2) is a bellows-shaped casing capable of elastic expansion.

4. A leaking liquid collecting and automatic draining device according to claim 1, characterized in that the bottom of said collecting casing (2) is provided with a draining hole (5), said draining hole (5) being provided with an internal thread for screwing with said automatic draining device.

5. A leaking liquid collecting and automatically draining device according to claim 4, characterized in that the liquid draining device comprises a liquid draining casing (7), the periphery of the liquid draining casing (7) is provided with an external thread matching with the internal thread of the liquid draining hole (5), the top of the liquid draining casing (7) is provided with a liquid inlet hole (6) communicated with the collecting casing (2), the draining mechanism is arranged in the inner cavity of the liquid draining casing (7), and the bottom of the liquid draining casing (7) is provided with a draining hole (13) communicated with the liquid storage tank (15).

6. The leaked liquid collecting and automatic draining device according to claim 5, wherein the draining mechanism comprises a weight plate (11) and a switch component for the up-and-down movement of the weight plate (11), the weight plate (11) is horizontally disposed at the bottom of the connecting rod (9) and divides the draining casing (7) into an upper cavity and a lower cavity, the switch component is disposed above the weight plate (11), a ring of sealing ring (12) is fixed at the position of the weight plate (11) disposed inside the draining casing (7), the sealing ring (12) is provided with a certain height, when the leaked liquid above the weight plate (11) does not exceed the set pressure or weight, the weight plate (11) is located within the height range of the sealing ring (12) and seals and isolates the upper cavity and the lower cavity by the sealing ring (12), when the leaked liquid above the weight plate (11) exceeds the set pressure or weight, the counterweight plate (11) moves downwards and is lower than the bottom of the sealing ring (12), and the upper independent cavity and the lower independent cavity are communicated.

7. The leaked liquid collecting and automatic draining device according to claim 6, wherein said switch assembly comprises a plurality of connecting rods (9), a plurality of springs (10) and an adjusting nut (8), said connecting rods (9) are vertically fixed in the draining casing (7), said springs (10) are sleeved on the connecting rods (9), the upper ends of said springs (10) are fixed on the connecting rods (9) through the adjusting nut (8) and control the pretightening force of the springs (10), and the lower ends of said springs (10) are fixedly connected with said weight plates (11).

8. A leak collecting and automatic draining device according to claim 5, characterized in that the draining hole (13) at the bottom of the draining housing (7) communicates with the reservoir (15) through a conduit (14).