CN220770233U - Detachable hidden automatic pressure relief device - Google Patents

Detachable hidden automatic pressure relief device Download PDF

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Publication number
CN220770233U
CN220770233U CN202322475587.9U CN202322475587U CN220770233U CN 220770233 U CN220770233 U CN 220770233U CN 202322475587 U CN202322475587 U CN 202322475587U CN 220770233 U CN220770233 U CN 220770233U
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CN
China
Prior art keywords
pressure relief
water tank
relief device
mounting groove
air passage
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Active
Application number
CN202322475587.9U
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Chinese (zh)
Inventor
徐铬
张春辉
毛业栋
徐波
谭鋆
李友平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Yangtze Power Co Ltd
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China Yangtze Power Co Ltd
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Application filed by China Yangtze Power Co Ltd filed Critical China Yangtze Power Co Ltd
Priority to CN202322475587.9U priority Critical patent/CN220770233U/en
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Publication of CN220770233U publication Critical patent/CN220770233U/en
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Abstract

The detachable hidden automatic pressure relief device comprises an exhaust head, wherein the lower end of the exhaust head is connected with an air passage, and the bottom end of the air passage is provided with an opening and closing valve; the exhaust head is arranged in the mounting groove of the water tank and is circumferentially provided with a plurality of exhaust holes; the inside of the air passage is communicated with the exhaust hole, and the outside of the air passage is in threaded connection with a threaded hole positioned below the mounting groove on the water tank; the on-off valve is arranged in the water tank and is opened and closed along with the pressure change in the water tank. The detachable hidden automatic pressure relief device provided by the utility model can solve the problems that the existing pressure relief device is easy to collide and block, and dust is easy to enter a water tank.

Description

Detachable hidden automatic pressure relief device
Technical Field
The utility model relates to a pressure relief device, in particular to a detachable hidden automatic pressure relief device.
Background
At present, in the long-time operation process of equipment cooling pipelines such as a hydropower station transformer, etc., due to corrosion, oxidation and impurities in water, the corners and the bending parts of cooling elements can be subjected to scale deposition, and the pipelines are easy to be blocked, so that the equipment is locally overheated, and the equipment is possibly stopped even if the equipment is in fault when the equipment is operated for a long time. If a critical equipment fault occurs in a large period of flood season, huge economic loss is brought.
The device for cleaning the cooling pipeline of the equipment by using high-temperature water is adopted on site, and the device is provided with a water storage tank, so that a pressure relief device is required to be installed for preventing the air pressure in the water storage tank from being too high. The existing pressure relief device is convenient to manufacture, and is installed in a protruding mode generally, but the pressure relief device is inconvenient to clean after being blocked, attractive in appearance and easy to collide when installed in a protruding mode, dust enters a water tank to pollute a water source, and high-temperature gas scalds are caused.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a detachable hidden automatic pressure relief device, which adopts a hidden design, is attractive, is not easy to collide and block, and can prevent dust from entering a water tank.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the detachable hidden automatic pressure relief device comprises an exhaust head, wherein the lower end of the exhaust head is connected with an air passage, and the bottom end of the air passage is provided with an opening and closing valve;
the exhaust head is arranged in the mounting groove of the water tank and is circumferentially provided with a plurality of exhaust holes;
the inside of the air passage is communicated with the exhaust hole, and the outside of the air passage is in threaded connection with a threaded hole positioned below the mounting groove on the water tank;
the on-off valve is arranged in the water tank and is opened and closed along with the pressure change in the water tank.
And a sealing ring is arranged on the contact surface of the exhaust head and the mounting groove.
A filter element is arranged between the mounting groove and the exhaust head.
The mounting groove is of a round hole structure, and the upper end of the mounting groove is connected with a jacking cover through threads.
The utility model relates to a detachable hidden automatic pressure relief device, which is characterized in that an on-off valve is used for sealing an air passage, preventing dust and other foreign matters from entering a water tank to pollute a water source through the air passage, and the on-off valve is opened upwards when the air pressure difference exceeds the gravity of the on-off valve; the air passage is used for connecting an exhaust head to allow high-temperature gas to pass through; the sealing ring is used for preserving the sealing between the pressure relief device and the water tank; the exhaust head is used for exhausting the gas to the atmosphere; the filter element is arranged between the air hole of the exhaust head and the mounting groove of the pressure relief device and is used for filtering dust and slowing down the flow rate of high-temperature steam; the mounting groove is located on the water tank and used for hiding the pressure relief device. In conclusion, the device can solve the problems that the existing pressure relief device is inconvenient to clean after being blocked, attractive and easy to collide due to the fact that the outer convex type installation is not attractive, dust enters a water tank to pollute a water source, and high-temperature gas scalds.
Drawings
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
fig. 1 is a cross-sectional view of the present utility model.
Fig. 2 is a schematic view of a partial structure of the present utility model.
Fig. 3 is a schematic structural view of the tightening cap according to the present utility model.
In the figure: the air conditioner comprises an opening and closing valve 1, an air passage 2, a sealing ring 3, an air discharging head 4, a filter element 5, an installation groove 6, a water tank 7, an air discharging hole 8, a threaded hole 9 and a jacking cover 10.
Detailed Description
As shown in fig. 1, a detachable hidden automatic pressure relief device comprises a mounting groove 6 arranged on the upper surface of a water tank 7, wherein the depth of the mounting groove 6 is consistent with the height of an exhaust head 4 in the pressure relief device or is larger than the height of the exhaust head 4. The shape of the mounting groove 6 may be cylindrical or other shape. A threaded hole 9 is correspondingly formed in the water tank 7 at the lower end of the mounting groove 6, and the threaded hole 9 is convenient to detachably connect with the pressure relief device.
The pressure relief device specifically comprises an exhaust head 4, a plurality of exhaust holes 8 are circumferentially arranged on the side wall of the upper portion of the exhaust head 4 along the horizontal direction, and the side wall of the lower portion of the exhaust head 4 is circumferentially of a hexagonal structure, so that the pressure relief device is convenient to fasten. The inside of the exhaust head 4 is communicated with the air passage 2. The outer wall of the air passage 2 is provided with external threads at proper positions, and the external threads are in threaded connection with threaded holes 9 on the water tank 7, so that the device is installed and fixed. The bottom end of the air passage 2 is provided with an opening and closing valve 1, and the opening and closing valve 1 can adopt the conventional safety valve. The on-off valve 1 is used to close the air passage 2 and is opened upward when the air pressure difference exceeds its own weight.
In addition, a filter 5 is installed in the gap between the exhaust head 4 and the installation groove 6, and the filter 5 is made of a high Wen Naichao moisture resistant material. The structural dimension of the filter element 5 is consistent with the dimension of the gap between the mounting groove 6 and the exhaust head 4. The filter 5 serves to filter dust and slow down the flow rate of high temperature steam.
Preferably, threads are arranged at the upper end of the inner wall of the mounting groove 6, and the jacking cover 10 is in threaded connection with the mounting groove 6, so that the filter element 5 is prevented from being punched out.
Preferably, a sealing ring groove is arranged on the inner bottom surface of the mounting groove 6 and is in contact with the lower end surface of the exhaust head 4 or the lower end surface of the exhaust head 4 and is in contact with the inner bottom surface of the mounting groove 6, a sealing ring 3 is arranged in the sealing ring groove, and the sealing ring 3 is made of a high-temperature resistant material. The sealing ring 3 is used for preserving the seal between the pressure relief device and the water tank 7.
Working principle and process: when the pressure of the water tank 7 reaches a certain value, the on-off valve 1 is opened, and the air flow is discharged to the outside through the air passage 2, the air discharge hole 8 of the air discharge head 4 and the filter 5. After the pressure of the water tank 7 is reduced, the on-off valve 1 is closed. When the filter element 5 is covered with dust and needs to be replaced, the pushing cover 10 can be unscrewed for replacement.

Claims (4)

1. A detachable hidden automatic pressure relief device which is characterized in that: comprises an exhaust head (4), wherein the lower end of the exhaust head (4) is connected with an air passage (2), and the bottom end of the air passage (2) is provided with an opening and closing valve (1);
the exhaust head (4) is arranged in the mounting groove (6) of the water tank (7) and is circumferentially provided with a plurality of exhaust holes (8);
the inside of the air passage (2) is communicated with the exhaust hole (8), and the outside of the air passage (2) is in threaded connection with a threaded hole (9) positioned below the mounting groove (6) on the water tank (7);
the opening and closing valve (1) is arranged in the water tank (7) and is opened and closed along with the pressure change of the water tank (7).
2. A removable hidden automatic pressure relief device according to claim 1, wherein: and a sealing ring (3) is arranged on the contact surface of the exhaust head (4) and the mounting groove (6).
3. A removable hidden automatic pressure relief device according to claim 1, wherein: a filter (5) is arranged between the mounting groove (6) and the exhaust head (4).
4. A removable hidden automatic pressure relief device according to claim 1, wherein: the mounting groove (6) is of a round hole structure, and the upper end of the mounting groove is connected with a jacking cover (10) through threads.
CN202322475587.9U 2023-09-12 2023-09-12 Detachable hidden automatic pressure relief device Active CN220770233U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322475587.9U CN220770233U (en) 2023-09-12 2023-09-12 Detachable hidden automatic pressure relief device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322475587.9U CN220770233U (en) 2023-09-12 2023-09-12 Detachable hidden automatic pressure relief device

Publications (1)

Publication Number Publication Date
CN220770233U true CN220770233U (en) 2024-04-12

Family

ID=90601937

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322475587.9U Active CN220770233U (en) 2023-09-12 2023-09-12 Detachable hidden automatic pressure relief device

Country Status (1)

Country Link
CN (1) CN220770233U (en)

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