CN210400729U

CN210400729U - Floating ball type exhaust device

Info

Publication number: CN210400729U
Application number: CN201921359068.3U
Authority: CN
Inventors: 单秉昆; 李飞; 张雪辉; 陈玉喜; 樊明岩; 谷昊
Original assignee: Liaoning Hongyanhe Nuclear Power Co Ltd
Current assignee: Liaoning Hongyanhe Nuclear Power Co Ltd
Priority date: 2019-08-20
Filing date: 2019-08-20
Publication date: 2020-04-24
Anticipated expiration: 2029-08-20

Abstract

The utility model provides a floating ball formula exhaust apparatus, include: the exhaust structure comprises a manual exhaust valve, an exhaust pipe, a threaded pipe and a flange, wherein the exhaust pipe, the manual exhaust valve and the threaded pipe are fixedly connected in sequence, the flange is arranged in the middle of the exhaust pipe, and one end of the exhaust pipe is connected with the internal exhaust hose; the lower extreme of inside exhaust hose is connected the blast pipe, the upper end fixed connection of inside exhaust hose inside exhaust floater is implemented the utility model discloses, when nuclear power station hydrostatic test container did not set up the exhaust pipe hole, use the device can effectually arrange the container inside gas to the greatest extent. The utility model has the advantages of simple structure and stability, economic nature are good, convenient operation during the use, and intensity of labour is little, does not produce unnecessary additional work basically and influences the time limit for a project time.

Description

Floating ball type exhaust device

Technical Field

The utility model relates to the field of machinary, especially, relate to a floater formula exhaust apparatus.

Background

The diesel engine air compression tanks of nuclear power plants require a ten year cycle to perform hydrostatic tests to verify the integrity, tightness and strength of the vessel under overpressure conditions. The operation working condition medium of the air compression tank is gas, the condition of carrying out a hydraulic test on site is not considered during the design of the container, and an exhaust pipe or a test hole is not arranged at the top of the container. The hydrostatic test cannot be carried out completely full of water. The volume of the container is 2m³At least 1/4(0.5) m, 40cm from the highest point of the top to the exhaust position³The gas cannot be discharged. When the hydrostatic test is carried out, water filling and pressurizing are needed, and the internal pressure of the container is needed to be increased to 66Bar and the 30 min pressure is kept constant. Because the test pressure is high and residual gas in the container cannot be completely discharged, the following adverse effects can be caused: 1. boosting is difficult or abnormal; 2. even if the pressure can be increased, a large amount of gas exists in the pressure testing device, so that once a pressure testing boundary fails, a large amount of gas medium is sprayed out instantly, and the risk of damaging workers and equipment is generated. When the equipment has serious defects, explosion can occur during container test, and the consequences are serious. The incomplete discharge of the gas in the container has a great adverse effect on the safety production, and the working quality of the hydrostatic test is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a floater formula exhaust apparatus easy operation, easy to assemble is provided, when the nuclear power station hydrostatic test container does not set up the exhaust hole, the inside gas of discharging solves and steps up difficulty and gas and lets out and probably produce unsafe factor.

In order to solve the technical problem, the utility model provides a floating ball formula exhaust apparatus for to the nuclear power station container gas outgoing when carrying out hydrostatic test under the condition that does not set up blast pipe or test hole, include:

the exhaust structure comprises a manual exhaust valve, an exhaust pipe, a threaded pipe and a flange, wherein the exhaust pipe, the manual exhaust valve and the threaded pipe are fixedly connected in sequence, the flange is arranged in the middle of the exhaust pipe, and one end of the exhaust pipe is connected with the internal exhaust hose; the lower end of the inner exhaust hose is connected with the exhaust pipe, and the upper end of the inner exhaust hose is fixedly connected with the inner exhaust floating ball.

In an optional embodiment, one end of the exhaust pipe is connected with the exhaust hose through an adjustable pipe clamp, the flange is welded in the middle of the exhaust pipe, and the manual exhaust valve and the threaded pipe are sequentially fixed at the other end of the exhaust pipe.

In an optional embodiment, the exhaust pipe and the threaded pipe are made of 304 stainless steel, and thread glue is arranged on the outer walls of the threaded pipe and the exhaust pipe and wraps the raw adhesive tape.

In an alternative embodiment, the manual exhaust valve is a DN25 regulating valve.

In an alternative embodiment, the flange is a 1/2-600Lb 4 bolt hole flange, and the flange is disposed 0.5M from the connection of the exhaust pipe and the inner exhaust hose.

In an alternative embodiment, the inner exhaust hose is a braided plastic tube, the inner exhaust hose having a length of 1.5 m.

In an optional embodiment, the center of the inner exhaust floating ball is penetrated by the exhaust short pipe, the top end of the inner exhaust floating ball is connected with the exhaust short pipe through a hexagon nut, and the bottom end of the exhaust short pipe clamps the top end of the inner exhaust hose through an adjustable pipe clamp.

In an alternative embodiment, the exhaust spool is made of 304 stainless steel.

In an alternative embodiment, the inner vent float ball is made of polyethylene plastic material, and the diameter of the inner vent float ball is 15 cm.

The embodiment of the utility model provides a beneficial effect lies in: the floating ball type exhaust device is simple in structure, stable in performance, good in economical efficiency and convenient to install and use. When the nuclear power station hydrostatic test container is not provided with the exhaust hole, the exhaust floating ball and the exhaust hose of the device are connected, and the manhole of the test container is opened and placed inside the container. And (3) removing the outer flange at the hand hole of the container, and connecting the external exhaust device with the internal exhaust hose in the container. Later on in the hydrostatic test process, the floater floats on the inside liquid level of container, along with the container constantly fills water, the floater continuously floats along with the liquid level, and the gas in surface of water then gets into the floater along exhaust hose discharge outside from floater top nut mouth department, outstanding solution step-up the difficulty and gas leaks the condition that probably produces unsafe factor outward. The hose can be well extended along with the floating ball when the floating ball floats due to the soft and bendable performance of the hose, so that smooth gas circulation is ensured, and the hose can be conveniently bent and can be conveniently installed due to the limitation of the inner space of the container during installation. The exhaust device is simple in structure, convenient to install and detach in field work, capable of solving the problem of difficulty in boosting and potential safety hazards caused by the fact that the container is not provided with the exhaust pipe hole, quickening the field implementation work efficiency of the hydraulic test and improving the working quality of the hydraulic test.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.

Fig. 1 is a schematic structural diagram of an embodiment of the floating ball type exhaust apparatus of the present invention.

Fig. 2 is a schematic structural view of the internal exhaust float ball of the present invention.

Fig. 3 is a schematic structural view of the internal exhaust hose of the present invention.

Fig. 4 is a schematic structural view of the external exhaust structure of the present invention.

Detailed Description

The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.

The utility model provides a floating ball formula exhaust apparatus for to the nuclear power station container gas outgoing when carrying out hydrostatic test under the condition that does not set up blast pipe 32 or test hole, its structure is as shown in figure 1, include:

the exhaust structure comprises an internal exhaust floating ball 1, an internal exhaust hose 2 and an external exhaust structure 3, wherein the external exhaust structure 3 comprises a manual exhaust valve 31, an exhaust pipe 32, a threaded pipe 33 and a flange 34, the exhaust pipe 32, the manual exhaust valve 31 and the threaded pipe 33 are fixedly connected in sequence, the flange 34 is arranged in the middle of the exhaust pipe 32, and one end of the exhaust pipe 32 is connected with the internal exhaust hose 2; the lower end of the inner exhaust hose 2 is connected with the exhaust pipe 32, and the upper end of the inner exhaust hose 2 is fixedly connected with the inner exhaust floating ball 1.

In a specific embodiment, as shown in fig. 2, the center of the internal exhaust floating ball 1 is penetrated by the exhaust short pipe 12, the top end of the internal exhaust floating ball 1 is connected with the exhaust short pipe 12 through a hexagon nut 11, the bottom end of the exhaust short pipe 12 clamps the top end of the internal exhaust hose 2 through an adjustable pipe clamp, the exhaust short pipe 12 is embedded in the internal exhaust floating ball 1, the upper end of the internal exhaust floating ball is connected with the hexagon nut 11 to prevent the exhaust short pipe 12 from falling off, and the internal exhaust floating ball 1 is stabilized during water filling in a test, the exhaust short pipe 12 at the lower end of the internal exhaust floating ball 1 is connected with the exhaust hose and clamped by the adjustable pipe clamp, and the fastening and.

The exhaust short pipe 12 is made of 304 stainless steel materials, the processing performance is good, the toughness is high, the internal exhaust floating ball 1 is made of polyethylene plastic materials, and the diameter of the internal exhaust floating ball 1 is 15 cm.

In the embodiment shown in fig. 3, the internal exhaust hose 2 is a braided plastic tube with a length of 1.5m, which has good bending property, can smoothly extend upwards along with the floating ball when filling water, and can effectively overcome the difficulty of the limitation of the internal space of the container when installing in the container due to the softness and flexibility of the internal exhaust hose, thereby facilitating the installation. The lower end of the internal exhaust hose 2 is connected with the exhaust pipe 32 section, and an adjustable pipe clamp is also adopted for clamping to play a role in fastening and sealing.

In the embodiment, as shown in fig. 4, the overall view of the external exhaust structure 3 is mainly composed of an exhaust pipe 32, a flange 34, a manual exhaust valve 31, and a threaded pipe 33. One end of the exhaust pipe 32 is connected with the internal exhaust hose 2 through an adjustable pipe clamp, the flange 34 is welded in the middle of the exhaust pipe 32, the manual exhaust valve 31 and the threaded pipe 33 are sequentially fixed at the other end of the exhaust pipe 32, and the manual exhaust valve 31 is a DN25 adjusting valve; the flange 34 is a flange 34 with 4 bolt holes of 1/2-600Lb, the flange 34 is arranged at a position 0.5M away from the joint of the exhaust pipe 32 and the internal exhaust hose 2, the lower end hand hole of the container is welded to play a role in blocking, the exhaust pipe 32 and the threaded pipe 33 are made of 304 stainless steel, and thread glue is arranged on the outer walls of the threaded pipe 33 and the exhaust pipe 32 and wraps raw adhesive tapes to play a role in sealing. The manual exhaust valve 31 can conveniently adjust the air outlet opening degree during water filling, when the water flows out from the threaded pipe 33, the air is completely exhausted, the water filling process is finished, and at the moment, the water filling is stopped and the manual exhaust valve 31 can be closed.

The specific working steps are as follows. The inner exhaust floating ball 1 needs to be subjected to a floating test firstly, so that an air inlet of the inner exhaust floating ball 1 is ensured to be always upward when the inner exhaust floating ball is filled with water, and a gas medium can continuously flow into the inner exhaust hose 2 from the air inlet and then is exhausted to the outside; after the floating test is qualified, the internal exhaust floating ball 1 is connected with an exhaust hose, and the container is opened to an inlet hole to install the internal exhaust floating ball 1 and the internal exhaust hose 2; then the flange 34 at the outer side hand hole of the container is removed, and the outer exhaust structure 3 extends into the container to be connected with the inner exhaust hose 2; the outer flange 34 is then bolted and water filling is commenced after all installations have been completed. When water is filled, the internal exhaust floating ball 1 floats upwards along with the rise of the liquid level until the internal exhaust floating ball 1 reaches the top of the container, and the gas in the container is exhausted.

As can be seen from the above description, the embodiment of the present invention has the following advantages:

the exhaust device is simple in overall structure, good in stability and economy, convenient to operate in use, low in labor intensity and basically free of influence on construction period time caused by redundant additional work. When the nuclear power station hydrostatic test container is not provided with the exhaust pipe hole, the device can effectively exhaust the gas in the container. The problem of difficult and the potential safety hazard of stepping up that produces because the container does not set up the exhaust pipe hole is solved for the on-the-spot work efficiency of implementing of hydrostatic test has improved hydrostatic test operating mass with rated load.

The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, which is defined by the appended claims.

Claims

1. A floating ball exhaust apparatus, comprising: the exhaust structure comprises a manual exhaust valve, an exhaust pipe, a threaded pipe and a flange, wherein the exhaust pipe, the manual exhaust valve and the threaded pipe are fixedly connected in sequence, the flange is arranged in the middle of the exhaust pipe, and one end of the exhaust pipe is connected with the internal exhaust hose; the lower end of the inner exhaust hose is connected with the exhaust pipe, and the upper end of the inner exhaust hose is fixedly connected with the inner exhaust floating ball.

2. The floating ball type exhaust device according to claim 1, wherein one end of the exhaust pipe is connected to the exhaust hose through an adjustable pipe clamp, the flange is welded to the middle of the exhaust pipe, and the other end of the exhaust pipe is sequentially fixed to the manual exhaust valve and the threaded pipe.

3. The floating ball type exhaust device according to claim 2, wherein the exhaust pipe and the threaded pipe are made of 304 stainless steel, and thread glue is arranged on the outer walls of the threaded pipe and the exhaust pipe and wraps raw adhesive tapes.

4. The floating ball exhaust of claim 2 wherein said manual exhaust valve is a DN25 regulator valve.

5. The floating ball exhaust system of claim 2 wherein the flange is an 1/2-600Lb 4 bolt hole flange, the flange being located 0.5M from the connection of the exhaust pipe and the inner exhaust hose.

6. The floating ball exhaust of claim 5 wherein the inner exhaust hose is a braided plastic tube and the inner exhaust hose is 1.5m in length.

7. The float ball exhaust of claim 6 wherein the inner exhaust float ball is centrally penetrated by the exhaust nipple, the inner exhaust float ball being connected at its top end to the exhaust nipple by a hex nut, the exhaust nipple being clamped at its bottom end to the top end of the inner exhaust hose by an adjustable tube clamp.

8. The floating ball exhaust of claim 7 wherein the exhaust spool is formed of a 304 stainless steel material.

9. The ball float exhaust of claim 8 wherein the internal vent float is made of a polyethylene plastic material and has a diameter of 15 cm.