CN217442788U

CN217442788U - A suppress device for detecting temperature-sensing valve

Info

Publication number: CN217442788U
Application number: CN202220774412.0U
Authority: CN
Inventors: 张海坤; 李大鹏; 亢凯鹏; 徐伟; 刘涛; 任威; 张骞; 刘东丰
Original assignee: Liaoning Hongyanhe Nuclear Power Co Ltd
Current assignee: Liaoning Hongyanhe Nuclear Power Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-09-16
Anticipated expiration: 2032-04-02

Abstract

The utility model provides a pressurizing device for detecting a temperature control valve, which comprises a hollow box body; the top of the box body is penetrated by a vent pipe, and the lower part of one side of the box body is provided with a drain valve; the novel leak detection device is characterized in that a hollow inner valve cavity is arranged in the box body and is fixed in the box body in a suspension mode, the top end of the inner valve cavity is communicated with the vent pipe, one side of the inner valve cavity is communicated with the vent pipe, and the vent pipe penetrates through the box body and is inserted into the leak detection bottle. The utility model discloses can simulate the working condition of temperature-sensing valve under the high temperature, effectively detect whether temperature-sensing valve is effectively closed in high temperature environment, especially simulate out 85 ℃ ambient temperature, comprehensive effectual detect the temperature-sensing valve.

Description

A suppress device for detecting temperature-sensing valve

Technical Field

The utility model relates to a detect temperature-sensing valve's technical field, especially relate to a suppress device for detecting temperature-sensing valve.

Background

A float ball type steam trap of the ADG/CET/AHP system of the nuclear power plant is internally provided with a key component, namely a temperature control valve, and the temperature control valve has the following functions: the problems of freezing and water hammer caused by load fluctuation generated by gas-using equipment under regulation control are solved. When the floating ball type steam trap is repaired and disassembled, the control function of the temperature control valve needs to be checked (the temperature control valve is automatically closed when the environmental temperature is higher than 85 ℃, and is opened when the temperature is lower than 85 ℃). However, the existing general pressing device cannot simulate the environment temperature of 85 ℃, so that the loss exists in the process of testing the temperature control valve, and the temperature control valve cannot be comprehensively and effectively detected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a suppress device for detecting temperature-sensing valve, solve the current technical problem that suppress the device and can't be comprehensive effectual carry out the detection to the temperature-sensing valve.

In one aspect, there is provided a pressurizing device for detecting a temperature control valve, including:

a hollow box body; the top of the box body is penetrated through by a vent pipe, and the lower part of one side of the box body is provided with a drain valve;

the improved leak detection device is characterized in that a hollow inner valve cavity is arranged in the box body, the inner valve cavity is fixed in the box body in a suspending mode, the top end of the inner valve cavity is communicated with the vent pipe, one side of the inner valve cavity is communicated with the vent pipe, and the vent pipe penetrates through the box body and is inserted into the leak detection bottle.

Preferably, the box body is a cube with an open top; the top cover is arranged at the top of the box body, the top cover is detachable and connected with the box body, and the box body is provided with a plurality of layers of inner walls.

Preferably, the top cover is provided with a through hole, the part of the edge of the top cover corresponding to the box body is provided with a groove, and the heat preservation part is fixedly embedded in the groove.

Preferably, the vent pipe is vertically fixed in a through hole formed in the top cover, the top end of the vent pipe extends upwards, and the bottom end of the vent pipe is suspended in the box body.

Preferably, the inner valve cavity comprises an inner valve cavity body and an inner valve cover; the inner valve cavity is a cube with an opening at the top, and an opening is formed in the outer wall of one side of the inner valve cavity; the top of the inner valve cavity is detachably connected with the inner valve cover, the upper surface of the inner valve cover is connected with the bottom end of the breather pipe, and an opening is formed in the joint of the inner valve cover and the breather pipe.

Preferably, one end of the exhaust pipe is connected with an opening formed in the outer wall of the cavity of the inner valve, the other end of the exhaust pipe is inserted into the leakage detection bottle, and the middle of the exhaust pipe is provided with a plurality of bendable parts.

Preferably, one side of the top end of the leakage detecting bottle is provided with an opening for inserting the exhaust pipe; and an air outlet is formed in the other side of the top end of the leakage detection bottle.

To sum up, implement the utility model discloses an embodiment has following beneficial effect:

the utility model provides a suppress device for detecting temperature-sensing valve adds the boiling water in through the box, and the breather pipe lets in the air supply, and the leak hunting bottle is built-in to be examined and is leaked, and the blast pipe inserts the leak hunting aquatic, can simulate the working condition of temperature-sensing valve under the high temperature, effectively detects whether temperature-sensing valve is effectively closed in high temperature environment, especially simulates out 85 ℃ ambient temperature, and is comprehensive effectual to detect the temperature-sensing valve.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments or the prior art descriptions will be briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, it still belongs to the scope of the present invention to obtain other drawings based on these drawings without inventive labor.

Fig. 1 is a schematic diagram of a pressing device for detecting a temperature control valve according to an embodiment of the present invention.

Fig. 2 is a schematic view of the box body in the embodiment of the present invention.

Fig. 3 is a schematic view of the top cover in the embodiment of the present invention.

Fig. 4 is a schematic view of the inner valve cavity in the embodiment of the present invention.

Fig. 5 is a schematic view of an exhaust pipe according to an embodiment of the present invention.

Fig. 6 is a schematic diagram of a leak detection bottle in an embodiment of the present invention.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings.

As shown in fig. 1, a schematic diagram of an embodiment of a pressing device for detecting a temperature control valve according to the present invention is provided. In this embodiment, the device for detecting the pressing of the temperature controlled valve includes:

a hollow case 1; the top of the box body 1 is penetrated by a vent pipe 2, and the lower part of one side of the box body 1 is provided with a drain valve 4; the improved structure is characterized in that a hollow inner valve cavity 3 is arranged in the box body 1, the inner valve cavity 3 is fixed in the box body 1 in a suspended mode, the top end of the inner valve cavity 3 is communicated with the ventilating pipe 2, one side of the inner valve cavity 3 is communicated with the exhaust pipe 5, and the exhaust pipe 5 penetrates through the box body 1 and is inserted into the leakage detection bottle 6. That is, boiled water is added into the box body 1, the air pipe 2 is communicated with an air source, the water quantity can be controlled through the drain valve 4, the whole box body 1 is in a sealed state, the internal suspended internal valve cavity 3 is arranged to provide a sealed space for the temperature control valve 7 to be tested, the sealed interlayer space between the internal valve cavity 3 and the box body can store water, and the temperature of the test space can be changed through the water quantity.

In a specific embodiment, as shown in fig. 2, the box body 1 is a cube with an open top; the top of the box body 1 is provided with a top cover 11, the top cover 11 is detachable and connected with the box body 1, the box body 1 is provided with a plurality of layers of inner walls, and three layers are arranged in the embodiment to match with a heat preservation effect. As shown in fig. 3, the top cover 11 is provided with a through hole, a groove is formed in a portion, corresponding to the box body 1, of the edge of the top cover 11, and a heat preservation portion is fixedly embedded in the groove, wherein the heat preservation portion is a sealing rubber strip embedded in the top cover 11, and plays a role in heat preservation. The breather pipe 2 is vertically fixed in the through hole arranged on the top cover 11, the top end of the breather pipe 2 extends upwards, the bottom end of the breather pipe 2 is suspended in the box body 1, the bottom end of the breather pipe 2 is also provided with a connecting joint for connecting the inner valve cover 31 and the temperature control valve 7, and an air source is introduced when the pressure is applied.

Specifically, as shown in fig. 4, the inner valve cavity 3 includes an inner valve cavity 32, an inner valve cover 31; the inner valve cavity 32 is a cube with an open top, and an opening is formed in the outer wall of one side of the inner valve cavity 32; the top of the inner valve cavity 32 is detachably connected with the inner valve cover 31, the upper surface of the inner valve cover 31 is connected with the bottom end of the vent pipe 2, and an opening is formed at the joint of the inner valve cover 31 and the vent pipe 2. The inner valve cavity 3 integrally forges the temperature control valve 7, and the valve of the temperature control valve 7 is closed when the temperature is higher than about 80 ℃; the functional characteristics of the temperature control valve 7 can be verified through the matching of the inner valve cavity 3 and the box body 1, and whether the valve is closed at high temperature is guaranteed.

More specifically, as shown in fig. 5, one end of the exhaust pipe 5 is connected to an opening formed in an outer wall of the inner valve cavity 32, the other end of the exhaust pipe 5 is inserted into the leakage detecting bottle 6, and a plurality of bendable portions are formed in the middle of the exhaust pipe 5. The exhaust pipe 5 is provided with a plurality of bending parts which can be freely connected and change the direction of the exhaust pipe 5, thereby being convenient for operation, and the bending parts can be a detachable multi-section structure and can also be flexible pipes connected with other parts.

More specifically, as shown in fig. 6, an opening is provided at one side of the top end of the leakage detecting bottle for inserting the exhaust pipe 5; the other side of the top end of the leak detection bottle is provided with an air outlet; the leakage detection bottle 6 is internally provided with leakage detection water, the exhaust pipe 5 is inserted into the leakage detection water, after the device is introduced into an air source, bubbles emerge at low temperature, the temperature control valve 7 is automatically closed at high temperature, no bubble is generated, the temperature control valve 7 for explaining the test is normal, and if bubbles exist at high temperature, the explanation is abnormal.

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 device for detecting the pressure of a temperature control valve, characterized by comprising:

a hollow box body; the top of the box body is penetrated by a vent pipe, and the lower part of one side of the box body is provided with a drain valve;

2. The apparatus for detecting the pressing force of the temperature controlled valve according to claim 1, wherein the case is a cube with an open top; the top cover is arranged at the top of the box body, the top cover is detachable and connected with the box body, and the box body is provided with a plurality of layers of inner walls.

3. The pressing device for detecting the temperature control valve according to claim 2, wherein the top cover is provided with a through hole, a groove is formed in a portion of the edge of the top cover corresponding to the box body, and the heat preservation portion is fixedly embedded in the groove.

4. The pressurization device for detecting the temperature controlled valve according to claim 3, wherein the vent pipe is vertically fixed in a through hole provided on the top cover, a top end of the vent pipe extends upwards, and a bottom end of the vent pipe is suspended in the box body.

5. The pressurizing device for detecting a temperature control valve as recited in claim 4, wherein the inner valve cavity comprises an inner valve cavity body and an inner valve cover; the inner valve cavity is a cube with an opening at the top, and an opening is formed in the outer wall of one side of the inner valve cavity; the top of the inner valve cavity is detachably connected with the inner valve cover, the upper surface of the inner valve cover is connected with the bottom end of the vent pipe, and an opening is formed in the joint of the inner valve cover and the vent pipe.

6. The pressurizing device for detecting the temperature control valve as claimed in claim 5, wherein one end of the exhaust pipe is connected with an opening arranged on the outer wall of the cavity of the inner valve, the other end of the exhaust pipe is inserted into the leakage detection bottle, and a plurality of bendable portions are arranged in the middle of the exhaust pipe.

7. The pressing device for detecting a temperature controlled valve as claimed in claim 6, wherein an opening is provided at one side of a top end of the leakage detecting bottle for inserting the exhaust pipe; and an air outlet is formed in the other side of the top end of the leakage detection bottle.