CN219413975U - Pressurized pipeline valve replacement device - Google Patents

Abstract

The utility model discloses a valve changer for a pipeline with pressure, relates to the technical field of valve changers, and aims to solve the problem that in the prior art, when a valve is changed for a pipeline with pressure, high-pressure gas or liquid remained in the pipeline is usually directly discharged and then the valve is changed, so that the environment is easy to be polluted. The output tube is installed to one side of jam change ware, and output tube and jam change ware welded connection, second solenoid valve is installed to the one end of output tube, and second solenoid valve passes through flange fixed connection with the output tube, the second backwash pump is installed to the one end of second solenoid valve, and second backwash pump and second solenoid valve pass through flange fixed connection, the calandria is installed to the top of second backwash pump, and calandria and second backwash pump pass through flange fixed connection, calandria and temporary storage box intercommunication.

Description

Pressurized pipeline valve replacement device

Technical Field

The utility model relates to the technical field, in particular to a valve exchanger for a pipeline under pressure.

Background

The valve of the high-pressure pipeline is inevitably damaged during use, the valve needs to be replaced at the moment, and the valve needs to be replaced under the condition that the pressure pipeline is not closed, so that the valve replacement device is matched for use;

for example, the application publication number is CN104015164B, and a high-pressure pipeline valve replacement device for replacing fault accessories on a high-pressure oil pipeline in oilfield gathering and transportation operation comprises two parts, namely a replacement device and a centralizer, wherein the replacement device comprises an upper clip, a lower clip, an upper supporting plate, a lower supporting plate, a fixing rod, an upper fixing sleeve, a lower fixing sleeve, an adjusting nut, a jack, an adjusting rod, a fixing nut, an upper clip screw rod, a lower clip fixing nut, a lower clip screw rod, an upper clip screw nut gasket, a lower screw nut gasket, an upper clip fixing shaft, a lower clip fixing shaft and a jack fixing screw, and the centralizer comprises a centralizer fixing shaft, a centralizer screw nut gasket, a centralizer screw nut, a centralizer left card and a centralizer right card;

the extra pipeline is not required to be disassembled during operation of the application, the offset of the pipeline is prevented, the fault fittings on the high-pressure oil water pipeline can be quickly, conveniently and safely replaced, but when the valve is replaced, the residual high-pressure gas or liquid in the pipeline is usually directly discharged and then the valve is replaced, so that the environment is easy to be polluted, and therefore, the development of a valve replacement device for the pipeline with pressure is urgently needed in the market to help people solve the existing problems.

Disclosure of Invention

The utility model aims to provide a valve changer for a pressurized pipeline, which solves the problem that the existing pressurized pipeline is easy to pollute the environment when the valve is changed by directly discharging high-pressure gas or liquid remained in a pipeline and then changing the valve.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a pipeline valve change ware under pressure, includes temporary storage box and blocks up the change ware, the output tube is installed to one side of blocking up the change ware, and output tube and block up the change ware welded connection, second solenoid valve is installed to the one end of output tube, and second solenoid valve passes through flange fixed connection with the output tube, the second backwash pump is installed to the one end of second solenoid valve, and second backwash pump passes through flange fixed connection with second solenoid valve, the calandria is installed to the top of second backwash pump, and calandria and second backwash pump pass through flange fixed connection, calandria and temporary storage box intercommunication.

Preferably, the input pipe is installed to one side of the stopper change ware, and input pipe and stopper change ware welded connection, first solenoid valve is installed to the one end of input pipe, and first solenoid valve passes through flange fixed connection with the input pipe.

Preferably, the first return pump is installed to the one end of first solenoid valve, and first return pump and first solenoid valve pass through flange fixed connection, install the straw on the preceding terminal surface of first solenoid valve, and straw and first solenoid valve pass through flange fixed connection, straw and temporary storage box intercommunication.

Preferably, a sealing cover is arranged above the blockage replacing device, the sealing cover is fixedly connected with the blockage replacing device through bolts, a hollow pipe is arranged above the sealing cover, and the hollow pipe is in sliding connection with the sealing cover.

Preferably, a blocking air bag is arranged in the blocking replacement device, and the blocking air bag is in threaded connection with the hollow pipe.

Preferably, the connecting pipe is installed to the below of blocking up the change ware, and connecting pipe and blocking up the change ware and pass through flange fixed connection, the pressurized pipeline is installed to the below of connecting pipe, and pressurized pipeline and connecting pipe welded connection, wait to change the valve is installed to the one end of pressurized pipeline.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, through the arrangement of the temporary storage box, the fluid flowing out of the pressurized pipeline inside the blocking replacement device is pumped by the second backflow pump, and then conveyed to the temporary storage box by the calandria for storage, so that the pressure relief effect is achieved, the fluid is prevented from being directly released into the air, the pollution to the air is avoided, the effect of protecting the environment is achieved, and the pressurized pipeline valve replacement device is more environment-friendly.

2. According to the utility model, through the arrangement of the first reflux pump, the first reflux pump is used for conveying the fluid in the temporary storage box to the interior of the blockage changer, so that the secondary application of the discharged fluid can be realized, and excessive preparation raw materials are not needed, thereby reducing the loss of the raw materials and lowering the use cost.

Drawings

FIG. 1 is an elevation view of a pressurized line valve changer of the present utility model;

FIG. 2 is an enlarged schematic view of the utility model at A;

FIG. 3 is an enlarged schematic view of the present utility model at B;

fig. 4 is a cross-sectional view of a pressurized line valve changer of the present utility model.

In the figure: 1. a pressurized pipeline; 2. the valve is to be replaced; 3. a connecting pipe; 4. a temporary storage box; 5. plugging the changer; 6. a hollow tube; 7. sealing cover; 8. an input tube; 9. a first electromagnetic valve; 10. a first return pump; 11. a suction pipe; 12. an output pipe; 13. a second electromagnetic valve; 14. a second reflux pump; 15. a calandria; 16. blocking the balloon.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Referring to fig. 1-4, an embodiment of the present utility model is provided: the utility model provides a pipeline valve change ware under pressure, including keeping in case 4 and jam change ware 5, output tube 12 is installed to one side of jam change ware 5, and output tube 12 and jam change ware 5 welded connection, second solenoid valve 13 is installed to output tube 12's one end, and second solenoid valve 13 passes through flange fixed connection with output tube 12, second backwash pump 14 is installed to second solenoid valve 13's one end, and second backwash pump 14 passes through flange fixed connection with second solenoid valve 13, calandria 15 is installed to the top of second backwash pump 14, and calandria 15 passes through flange fixed connection with second backwash pump 14, calandria 15 and keeping in case 4 intercommunication.

During the use, through setting up of temporary storage box 4, utilize second backwash pump 14 to extract to block up the fluid that the change ware 5 inside flows from the pipeline under pressure, then carry temporary storage box 4 to store with calandria 15, play the effect of pressure release to also prevent that the fluid from directly releasing in the air, avoid causing the pollution to the air, play the effect of environmental protection, make this pipeline under pressure valve change ware use more environmental protection.

Further, the input pipe 8 is installed to one side of the plug changer 5, and input pipe 8 and plug changer 5 welded connection, first solenoid valve 9 is installed to the one end of input pipe 8, and first solenoid valve 9 passes through flange fixed connection with input pipe 8, and first solenoid valve 9 is used for controlling the intercommunication between input pipe 8 and the first backwash pump 10, and input pipe 8 sets up in the position that the plug changer 5 side is on, can conveniently pour into gas or liquid with pipeline the same pressure into to plug changer 5 inside.

Further, a first reflux pump 10 is installed to one end of the first electromagnetic valve 9, and the first reflux pump 10 and the first electromagnetic valve 9 are fixedly connected through a flange, a suction pipe 11 is installed on the front end face of the first electromagnetic valve 9, and the suction pipe 11 and the first electromagnetic valve 9 are fixedly connected through a flange, the suction pipe 11 is communicated with the temporary storage box 4, and a suction inlet of the suction pipe 11 is arranged at a position close to the bottom of the temporary storage box 4.

Further, a sealing cover 7 is installed above the blockage replacing device 5, the sealing cover 7 is fixedly connected with the blockage replacing device 5 through bolts, a hollow pipe 6 is installed above the sealing cover 7, the hollow pipe 6 is in sliding connection with the sealing cover 7, and a sealing structure is arranged at the joint of the hollow pipe 6 and the sealing cover 7.

Further, the inside of the blockage replacing device 5 is provided with a blockage air bag 16, the blockage air bag 16 is in threaded connection with the hollow pipe 6, the blockage air bag 16 is communicated with the hollow pipe 6, the hollow pipe 6 can be driven to sink by a hydraulic cylinder against the top of the hollow pipe 6, and meanwhile, the hollow pipe 6 is provided with a connector connected with an external air pump.

Further, connecting pipe 3 is installed to the below of stopper change ware 5, and connecting pipe 3 and stopper change ware 5 pass through flange fixed connection, and pressure pipeline 1 is installed to the below of connecting pipe 3, and pressure pipeline 1 and connecting pipe 3 welded connection, and valve 2 to be changed is installed to the one end of pressure pipeline 1, and valve 2 to be changed passes through flange fixed connection with pressure pipeline 1.

Working principle: during the use, the external valve can be add in the connecting pipe 3 outside, plug up connecting pipe 3, then install the top at connecting pipe 3 with blocking up the change ware 5, utilize first backwash pump 10 and suction pipe 11 to extract the inside fluid of reserving of blocking up the change ware 5, pour into the inside of blocking up the change ware 5 through input tube 8, make the inside pressure of blocking up the change ware 5 the same with the inside pressure of area pressure pipeline 1, alright be with external valve extraction this moment, then use the pneumatic cylinder to drive hollow tube 6 to sink, jack up blocking up gasbag 16 and carry out pressure pipeline 1, aerify for blocking up gasbag 16 through hollow tube 6, block up the inside of area pressure pipeline 1, prevent the fluid to waiting to change valve 2 orientation flow, at this moment, can dismantle the change to treating changing valve 2, after the change is accomplished, withdraw blocking up gasbag 16 and blocking up the change ware 5 inside, external valve again with connecting pipe 3 shutoff, at this moment can be through the inside fluid of second backwash pump 14 extraction blocking up the change ware 5, reentrant temporary storage case 4 through calandria 15, when connecting pipe 3 and blocking up the change ware 5 intercommunication, can have the inside partial area pressure pipeline 1 to get into the change ware, thereby carry out the recovery of the fluid that leaks outside the outside of the environment, and prevent the leakage of fluid from carrying out the recovery.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a pipeline valve change ware under pressure, includes temporary storage case (4) and blocks up change ware (5), its characterized in that: output tube (12) are installed to one side of jam change ware (5), and output tube (12) and jam change ware (5) welded connection, second solenoid valve (13) are installed to one end of output tube (12), and second solenoid valve (13) pass through flange fixed connection with output tube (12), second backwash pump (14) are installed to one end of second solenoid valve (13), and second backwash pump (14) and second solenoid valve (13) pass through flange fixed connection, calandria (15) are installed to the top of second backwash pump (14), and calandria (15) and second backwash pump (14) pass through flange fixed connection, calandria (15) and temporary storage box (4) intercommunication.

2. A pressurized line valve changer according to claim 1, wherein: the device is characterized in that an input pipe (8) is arranged on one side of the blockage replacement device (5), the input pipe (8) is in welded connection with the blockage replacement device (5), a first electromagnetic valve (9) is arranged at one end of the input pipe (8), and the first electromagnetic valve (9) is fixedly connected with the input pipe (8) through a flange.

3. A pressurized line valve changer according to claim 2, wherein: the utility model discloses a temporary storage box, including first solenoid valve (9), straw (11), first solenoid valve (9), first backwash pump (10) are installed to one end of first solenoid valve (9), and first backwash pump (10) and first solenoid valve (9) pass through flange fixed connection, install straw (11) on the preceding terminal surface of first solenoid valve (9), and straw (11) and first solenoid valve (9) pass through flange fixed connection, straw (11) and temporary storage box (4) intercommunication.

4. A pressurized line valve changer according to claim 1, wherein: the upper part of the blockage replacement device (5) is provided with a sealing cover (7), the sealing cover (7) is fixedly connected with the blockage replacement device (5) through bolts, the upper part of the sealing cover (7) is provided with a hollow pipe (6), and the hollow pipe (6) is in sliding connection with the sealing cover (7).

5. A pressurized line valve changer according to claim 4, wherein: a blocking air bag (16) is arranged in the blocking replacement device (5), and the blocking air bag (16) is in threaded connection with the hollow tube (6).

6. A pressurized line valve changer according to claim 1, wherein: the utility model discloses a plug change, including plug change, valve (2) to be changed, connecting pipe (3) are installed to the below of plug change (5), and connecting pipe (3) pass through flange fixed connection with plug change (5), pressurized pipeline (1) are installed to the below of connecting pipe (3), and pressurized pipeline (1) and connecting pipe (3) welded connection, valve (2) to be changed are installed to one end of pressurized pipeline (1).