CN220669184U - Steam pipeline end protection device - Google Patents

Steam pipeline end protection device Download PDF

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Publication number
CN220669184U
CN220669184U CN202322319599.2U CN202322319599U CN220669184U CN 220669184 U CN220669184 U CN 220669184U CN 202322319599 U CN202322319599 U CN 202322319599U CN 220669184 U CN220669184 U CN 220669184U
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CN
China
Prior art keywords
steam
pipeline
cooling
pipe
protection main
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Active
Application number
CN202322319599.2U
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Chinese (zh)
Inventor
李旭东
金杭良
俞龙强
周国华
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Hangzhou Heda Energy Co ltd
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Hangzhou Heda Energy Co ltd
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Priority to CN202322319599.2U priority Critical patent/CN220669184U/en
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Abstract

The utility model discloses a steam pipeline tail end protection device which comprises a protection main body and a cooling component, wherein the protection main body is sleeved at the end part of a steam pipeline, the cooling component is fixedly arranged at the end part of an extension part of the protection main body, a monitoring cavity is formed in the protection main body after the protection main body is assembled, an air inlet end of an exhaust pipeline of the cooling component extends into the monitoring cavity, an air pressure sensor is arranged in the monitoring cavity, an exhaust electric control valve is arranged on the exhaust pipeline, the exhaust electric control valve and the air pressure sensor are respectively connected with a control center through signals, a plug is inserted at the end part of the steam pipeline, when the position of the plug leaks, the air pressure sensor monitors the air pressure change in the monitoring cavity, sends out a leakage signal, and simultaneously opens the exhaust electric control valve to enable leaked steam to enter the cooling component. Even if the assembly position of the tail end plug of the steam pipeline leaks, the temperature can be effectively guaranteed to be reduced to a safe range when the leaked steam is discharged, and injuries such as scalding and the like can not be caused.

Description

Steam pipeline end protection device
Technical Field
The utility model belongs to the technical field of heat supply network systems, and particularly relates to a steam pipeline tail end protection device.
Background
The heat supply network is a main component of the central heating system and is responsible for heat energy transmission. The system form of the heat supply network depends on the mutual positions of heat medium, heat source (thermal power plant or regional boiler room, etc.) and heat users, the types of heat users in heat supply areas, the sizes and the properties of heat loads, etc. The principle to be followed in selecting the form of the heat supply network system is safe heat supply and economy. The steam pipe is an important component of the heat grid system, and generally, the end of the steam pipe forming the heat grid system is not sealed for subsequent extension installation, and the pipe is generally sealed by a terminal plug to prevent steam leakage or enable foreign matters to enter the inside of the pipe.
However, the plug and the steam pipeline are in plug-in fit, and as the service life increases, the sealing effect of the plug can be weakened, and the risk of leakage exists.
Disclosure of Invention
In order to make up the defects of the prior art, the utility model provides a technical scheme of a steam pipeline tail end protection device with high safety.
A steam pipeline end protector, including protection main part and cooling module, protection main part cup joints in steam pipeline's tip, cooling module fixed mounting is in protection main part extension's tip, protection main part assembly back, protection main part's inside forms the monitoring cavity, cooling module's exhaust duct's air inlet stretches into in the monitoring cavity, be provided with air pressure sensor in the monitoring cavity, be provided with the exhaust automatically controlled valve on the exhaust duct, the exhaust automatically controlled valve and air pressure sensor respectively with control center signal connection, steam pipeline's tip grafting is provided with the end cap, when the end cap position takes place to leak, air pressure sensor monitors the monitoring cavity in the atmospheric pressure change, sends out the leakage signal to open the automatically controlled valve of exhaust simultaneously, make the steam that leaks get into cooling module.
Further, the junction of protection main part with steam conduit is provided with seal assembly, seal assembly includes multiunit sealing washer, the one end of sealing washer is fixed the inner wall of protection main part, the other end is hugged closely steam conduit's outer wall.
Further, the heat preservation layer is filled between the sealing rings and is respectively clung to the inner wall of the protection main body, the outer wall of the steam pipeline and the outer wall of the sealing rings.
Further, be provided with the staple bolt on the outer wall of steam conduit, fixedly be provided with the ring flange on the outer wall of staple bolt, the tip of protection main part is provided with annular connecting plate, the connecting plate with the ring flange passes through bolt flange to be fixed.
Further, the cooling assembly comprises a cooling pipeline, assembly holes are respectively formed in two ends of the cooling pipeline, the exhaust pipeline is inserted into the cooling pipeline, and the monitoring cavity and the external space are communicated through the exhaust pipeline.
Further, the cooling assembly further comprises a cold water tank and a hot water tank, wherein the cold water tank is arranged below the hot water tank and is communicated through a connecting pipe, a water circulation electric control valve is arranged on the connecting pipe, and the water circulation electric control valve is in signal connection with a control center.
Further, the lower extreme of cooling tube is provided with the inlet tube, and the upper end is provided with the outlet pipe, the inlet tube with the cold water tank is connected, the outlet pipe with the hot-water tank is connected, the bottom of inlet tube stretches into the inner chamber bottom of cold water tank, and the tip of inlet tube sets up the water pump.
Further, a sealing structure is arranged at the assembling position of the exhaust pipeline and the cooling pipeline, and the sealing structure is arranged at the opening edge of the assembling hole.
Compared with the prior art, the utility model has the following advantages:
in this application, at steam conduit's end assembly protection main part and cooling module, through the terminal steam leakage condition of protection main part monitoring steam conduit, when discovery steam leaks, high temperature steam discharges after cooling through cooling module, even steam conduit's end plug assembly position takes place to leak, the temperature falls to a safe extent when also can effectually guaranteeing the steam discharge of leaking, can not cause injury such as scald.
Part of the protection main body is wrapped on the outer wall of the steam pipeline, and a plurality of layers of sealing rings are arranged for sealing, so that leakage of high-temperature steam is avoided from escaping from the joint. And be provided with multiunit exhaust duct in the cooling module, multiunit pipeline can increase the area of contact of pipeline and the cooling water in the cooling tube inner chamber for cooling rate.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic diagram of an assembly of a cooling duct and an exhaust duct according to the present utility model;
fig. 3 is a side view of a cooling duct of the present utility model.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1 to 3, a steam pipe end shield apparatus includes a shield body 100 and a cooling module 200, the shield body 100 being coupled to an end of a steam pipe 300. Generally, if a buried pipe is used, the end of the steam pipe 300 is disposed in a working room to facilitate the subsequent work of the subsequent pipes. In an embodiment, the end of the steam pipe 300 is disposed in a working room in the form of a basement, and the shield body 100 and the cooling assembly 200 are disposed in the working room. The cooling assembly 200 is fixedly installed at an end of the extension portion of the shield body 100.
With continued reference to fig. 1, after the protective body 100 is assembled, a monitoring cavity 110 is formed in the protective body 100, an air inlet end of an air exhaust pipeline 210 of the cooling assembly 200 extends into the monitoring cavity 110, an air pressure sensor 120 is arranged in the monitoring cavity 110, an air exhaust electric control valve 211 is arranged on the air exhaust pipeline 210, the air exhaust electric control valve 211 and the air pressure sensor 120 are respectively connected with a control center signal, a plug 310 is inserted into an end part of the steam pipeline 300, when leakage occurs at the plug position, the air pressure sensor 120 monitors air pressure change in the monitoring cavity 110, a leakage signal is sent, and meanwhile, the air exhaust electric control valve 211 is opened, so that leaked steam enters the cooling assembly 200.
The junction of protection main part 100 and steam pipe 300 is provided with seal assembly 130, and seal assembly 130 includes multiunit sealing washer 131, and the one end of sealing washer 131 is fixed at the inner wall of protection main part 100, and the outer wall of steam pipe 300 is hugged closely to the other end. The heat preservation layer 132 is filled between the sealing rings 131, and the heat preservation layer 132 is respectively clung to the inner wall of the protection main body 100, the outer wall of the steam pipeline 300 and the outer wall of the sealing rings 131.
The outer wall of the steam pipeline 300 is provided with a hoop 320, the outer wall of the hoop 320 is fixedly provided with a flange plate 330, the end part of the protection main body 100 is provided with an annular connecting plate 140, and the connecting plate 140 and the flange plate 330 are fixed through a bolt flange. Through the use of this structure, the connection strength of the residual steam pipe 300 of the protection body 100 can be enhanced, and when the steam leaks due to the assembly problem of the protection body 100, high-temperature steam is discharged from the installation position of the protection body 100.
With continued reference to fig. 2 and 3, the cooling assembly 200 includes a cooling pipe 220, both ends of the cooling pipe 220 are respectively provided with an assembly hole 221, an exhaust pipe 210 is inserted into the cooling pipe 220, and the monitoring cavity 110 and the external space are communicated through the exhaust pipe 210. The assembly of the exhaust duct 210 and the cooling duct 220 is provided with a sealing structure provided at the opening edge of the assembly hole 221. The exhaust pipe 210 is a metal pipe, which can accelerate the heat transfer from the high-temperature steam to the cooling pipe, and accelerate the cooling speed. In this embodiment, the exhaust pipes 210 are provided with a plurality of groups, and are uniformly inserted into the cooling pipes 220.
The cooling assembly 200 further comprises a cold water tank 230 and a hot water tank 240, wherein the cold water tank 230 is arranged below the hot water tank 240 and is communicated through a connecting pipe 250, a water circulation electric control valve 260 is arranged on the connecting pipe 250, and the water circulation electric control valve 260 is in signal connection with a control center. The lower end of the cooling pipe 220 is provided with a water inlet pipe 222, the upper end is provided with a water outlet pipe 223, the water inlet pipe 222 is connected with a cold water tank 230, the water outlet pipe 223 is connected with a hot water tank 240, the bottom end of the water inlet pipe 222 extends into the bottom of the inner cavity of the cold water tank 230, and a water pump 270 is arranged at the end part of the water inlet pipe 222. The structure realizes the recycling of cold and hot water and reduces the consumption of water resources.
The specific principle is as follows: the water pump 270 is activated to continuously feed the cooling water in the cooling water tank 230 into the inner cavity of the cooling pipe 220. When the exhaust electronic control valve 211 is activated, the leaked gas enters the exhaust pipe 210, and then the high-temperature steam exchanges heat with cold water in the cooling pipe, so that the cooling water is warmed up. The water pump 270 continuously pumps cold water in the cold water tank 230, and then discharges the water heated in the cooling water pipe 220 into the hot water tank 240 through the water outlet pipe 223, and cools down in the hot water tank. In order to accelerate the cooling effect, a cooling component may be disposed on the outer wall of the hot water tank 240, so that the temperature of the hot water in the hot water tank 240 can be accelerated. When the temperature of the water in the hot water tank is reduced to a set value, the water circulation electric control valve 260 is opened, and the cooled water enters the cold water tank through the connecting pipe to supplement the cold water tank with low temperature water.
In this application, at steam conduit's end assembly protection main part and cooling module, through the terminal steam leakage condition of protection main part monitoring steam conduit, when discovery steam leaks, high temperature steam discharges after cooling through cooling module, even steam conduit's end plug assembly position takes place to leak, the temperature falls to a safe extent when also can effectually guaranteeing the steam discharge of leaking, can not cause injury such as scald.
Part of the protection main body is wrapped on the outer wall of the steam pipeline, and a plurality of layers of sealing rings are arranged for sealing, so that leakage of high-temperature steam is avoided from escaping from the joint. And be provided with multiunit exhaust duct in the cooling module, multiunit pipeline can increase the area of contact of pipeline and the cooling water in the cooling tube inner chamber for cooling rate.

Claims (8)

1. The utility model provides a steam pipe tail end protector, its characterized in that includes protection main part (100) and cooling module (200), protection main part (100) cup joints the tip at steam pipe (300), cooling module (200) fixed mounting is in the tip of protection main part (100) extension, after protection main part (100) assembly, form monitoring chamber (110) in the inside of protection main part (100), the inlet end of the exhaust duct (210) of cooling module (200) stretches into in monitoring chamber (110), be provided with air pressure sensor (120) in monitoring chamber (110), be provided with exhaust electrically controlled valve (211) on exhaust duct (210), exhaust electrically controlled valve (211) and air pressure sensor (120) are connected with control center signal respectively, the tip grafting of steam pipe (300) is provided with end cap (310), when end cap position takes place to leak, air pressure sensor (120) monitor the air pressure variation in monitoring chamber (110), send out leakage signal to open simultaneously, make the steam of leakage electrically controlled valve (211) get into cooling module (200).
2. The steam pipeline end protection device according to claim 1, characterized in that a sealing assembly (130) is arranged at the joint of the protection main body (100) and the steam pipeline (300), the sealing assembly (130) comprises a plurality of groups of sealing rings (131), one end of each sealing ring (131) is fixed on the inner wall of the protection main body (100), and the other end of each sealing ring is tightly attached to the outer wall of the steam pipeline (300).
3. The steam pipeline end protection device according to claim 2, characterized in that an insulation layer (132) is filled between the sealing rings (131), and the insulation layer (132) is respectively clung to the inner wall of the protection main body (100), the outer wall of the steam pipeline (300) and the outer wall of the sealing rings (131).
4. The steam pipeline end protection device according to claim 1, characterized in that a hoop (320) is arranged on the outer wall of the steam pipeline (300), a flange plate (330) is fixedly arranged on the outer wall of the hoop (320), an annular connecting plate (140) is arranged at the end part of the protection main body (100), and the connecting plate (140) and the flange plate (330) are fixed through a bolt flange.
5. The steam pipeline end protection device according to claim 1, wherein the cooling assembly (200) comprises a cooling pipeline (220), two ends of the cooling pipeline (220) are respectively provided with an assembly hole (221), the exhaust pipeline (210) is inserted into the cooling pipeline (220), and the monitoring cavity (110) and an external space are communicated through the exhaust pipeline (210).
6. The steam pipeline end protection device according to claim 5, wherein the cooling assembly (200) further comprises a cold water tank (230) and a hot water tank (240), the cold water tank (230) is arranged below the hot water tank (240) and is communicated through a connecting pipe (250), a water circulation electric control valve (260) is arranged on the connecting pipe (250), and the water circulation electric control valve (260) is in signal connection with a control center.
7. The steam pipeline end protection device according to claim 6, wherein a water inlet pipe (222) is arranged at the lower end of the cooling pipeline (220), a water outlet pipe (223) is arranged at the upper end of the cooling pipeline, the water inlet pipe (222) is connected with the cold water tank (230), the water outlet pipe (223) is connected with the hot water tank (240), the bottom end of the water inlet pipe (222) stretches into the bottom of the inner cavity of the cold water tank (230), and a water pump (270) is arranged at the end part of the water inlet pipe (222).
8. The steam pipe end protector according to claim 5, characterized in that the assembly of the exhaust pipe (210) and the cooling pipe (220) is provided with a sealing structure, which is provided at the opening edge of the assembly hole (221).
CN202322319599.2U 2023-08-29 2023-08-29 Steam pipeline end protection device Active CN220669184U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322319599.2U CN220669184U (en) 2023-08-29 2023-08-29 Steam pipeline end protection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322319599.2U CN220669184U (en) 2023-08-29 2023-08-29 Steam pipeline end protection device

Publications (1)

Publication Number Publication Date
CN220669184U true CN220669184U (en) 2024-03-26

Family

ID=90328622

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322319599.2U Active CN220669184U (en) 2023-08-29 2023-08-29 Steam pipeline end protection device

Country Status (1)

Country Link
CN (1) CN220669184U (en)

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