CN210800466U

CN210800466U - Rainwater-proof backflow device for moisture discharge pipe of direct-buried steam pipeline

Info

Publication number: CN210800466U
Application number: CN201921126393.5U
Authority: CN
Inventors: 王浩祥; 乔正凡; 蒋祥龙; 杨萌; 平登科; 杜文彬
Original assignee: Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Current assignee: Central and Southern China Municipal Engineering Design and Research Institute Co Ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-19
Anticipated expiration: 2029-07-18

Abstract

The utility model belongs to the technical field of the direct-burried steam conduit, a rain-proof water of direct-burried steam conduit is irritated device backward, including arrange damp pipe and with arrange damp union coupling's floater device, the floater device includes waterproof pipe, connecting rod and floater, be equipped with trachea and connecting pipe on the pipe wall of waterproof pipe, be provided with the valve plug of taking sealed head in the waterproof pipe, the one end of connecting rod pass the connecting pipe get into in the waterproof pipe and with valve plug fixed connection, the other end and floater fixed connection. The device reasonable in design, simple structure, small in size, it is with low costs, can realize opening automatically, close row's damp pipe, avoid the rainwater to flow backward and get into steam conduit's heat preservation, cause the destruction of direct-burried steam conduit heat preservation and anticorrosive coating.

Description

Rainwater-proof backflow device for moisture discharge pipe of direct-buried steam pipeline

Technical Field

The utility model belongs to the technical field of the direct-burried steam conduit, concretely relates to rain-proof water of direct-burried steam conduit row damp pipe flows backward device.

Background

Due to a plurality of factors in the aspects of construction conditions (including regional conditions and meteorological conditions), construction management and the like, the direct-buried steam pipeline heat-insulating layer is difficult to be always in a dry state. Once the heat preservation is soaked, not only have very big influence to the temperature drop and the energy loss of transport medium, serious still can cause the pipe network system to shut down, economic loss is huge. Therefore, the direct-buried steam pipeline is required to be provided with a moisture discharge pipe which is used for discharging moisture of an insulating layer in the steel sleeve pipe and can be used as a detection pipe for pipeline leakage. With the higher and higher requirement of the city on the integral attractiveness of the road, the moisture discharge pipe can be introduced into a special well chamber. The urban waterlogging phenomenon in China is increasingly serious, the excessive rainwater can cause the well chamber of the moisture discharge pipe to be submerged, and if the rainwater backflow prevention device is not arranged, the rainwater can flow back along the moisture discharge pipe to enter the steam pipeline heat insulation layer, so that huge economic loss is caused.

SUMMERY OF THE UTILITY MODEL

For solving not enough among the prior art, the utility model provides a rain-proof water of direct-burried steam conduit row tide pipe flows backward device, the device reasonable in design, simple structure, small in size, it is with low costs, can realize automatic opening, closing row tide pipe, avoid the rainwater to flow backward the heat preservation that gets into steam conduit, cause the destruction of direct-burried steam conduit heat preservation and anticorrosive coating.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a rain-proof water of buried steam conduit row tide pipe flows back device, the device is including row tide pipe, waterproof pipe, connecting rod and floater, the one end of waterproof pipe with arrange the tide union coupling, be equipped with trachea and connecting pipe on the pipe wall of waterproof pipe, be provided with the valve plug in the waterproof pipe, the connecting rod is L shape, the one end of connecting rod pass the connecting pipe get into in the waterproof pipe and with the one end fixed connection of valve plug, the other end of valve plug is provided with sealed head, the other end and the floater fixed connection of connecting rod.

In the technical scheme, one end of the moisture discharge pipe is fixed on the outer protection pipe of the directly-buried steam pipeline and extends between the outer protection pipe 3 and the heat preservation layer 2, the other end of the moisture discharge pipe extends into the moisture discharge well chamber and is in threaded connection with the waterproof pipe, the heat preservation layer of the directly-buried steam pipeline is communicated with air in the moisture discharge well chamber, and preferably, the moisture discharge well chamber is provided with the water discharge pipe.

Preferably, a sealing ring and a gasket are arranged at the joint of the waterproof pipe and the moisture discharge pipe.

Preferably, the other end of the waterproof pipe is provided with a head sealing plate.

Preferably, the connecting rod is fixed on the connecting pipe through a bolt transmission mechanism, and the bolt transmission mechanism comprises a bolt, a nut and a spring gasket.

Preferably, a core rod is arranged inside the floating ball.

The utility model has the advantages that: through arrange damp pipe end and install low-cost part additional, can effectual assurance pipeline's safety, prevent that the too much destruction that causes steam conduit of city rainwater, the device small in size moreover, it is with low costs, utilize mechanical transmission's mode and lever principle, can realize opening automatically, close and arrange damp pipe.

Drawings

FIG. 1 is a schematic view showing the structure of the device of the embodiment when the moisture discharge pipe is opened;

FIG. 2 is a schematic view showing the structure of the device of the embodiment when the moisture discharge pipe is closed;

FIG. 3 is a schematic structural diagram of a floating ball device in an embodiment;

in the figure: 1-working pipe, 2-insulating layer, 3-outer protecting pipe, 4-moisture-removing pipe, 5-waterproof pipe, 5.1-air pipe, 5.2 connecting pipe, 6-connecting rod, 7-floating ball, 8-valve plug, 9-sealing head, 10-sealing ring, 11-gasket, 12-external thread, 13-moisture-removing well chamber, 14-water discharging pipe and 15-bolt transmission mechanism.

Detailed Description

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

A rain-proof water backflow device for a moisture discharge pipe of a direct-buried steam pipeline is shown in figures 1 and 2 and comprises a moisture discharge pipe 4 and a floating ball device, wherein one end of the moisture discharge pipe 4 is fixed on an outer protection pipe 3 of the direct-buried steam pipeline and extends between the outer protection pipe 3 and an insulating layer 2, the other end of the moisture discharge pipe extends into a moisture discharge well chamber 13 and is fixedly connected with the floating ball device, and preferably, the moisture discharge pipe 4 is horizontally connected with the floating ball device; the moisture discharge well chamber 13 is provided with a drain pipe 14, and the surface of the moisture discharge pipe 4 between the outer protective pipe 3 and the moisture discharge well chamber 13 is wrapped with a heat insulation material.

The floating ball device comprises a waterproof pipe 5, a connecting rod 6 and a floating ball 7, wherein one end of the waterproof pipe 5 is lathed with an external thread 12 and is connected with an internal thread at the tail end of the moisture discharge pipe 4, and further, the waterproof pipe is pressed tightly through a gasket 11, and a sealing ring 10 is sealed to achieve a good waterproof effect; the other end of the waterproof pipe 5, which is far away from the moisture discharge pipe 4, is sealed by a sealing plate to prevent water from entering; an air pipe 5.1 and a connecting pipe 5.2 which are perpendicular to the pipe wall are arranged on the pipe wall of the waterproof pipe 5 along the length direction, wherein the air pipe 5.1 is close to the moisture exhaust pipe direction, the connecting pipe 5.2 is far away from the moisture exhaust pipe direction, and preferably, the air pipe 5.1 and the connecting pipe 5.2 are both vertically downward; a valve plug 8 is further arranged in the waterproof pipe 5, the valve plug 8 is positioned between the air pipe 5.1 and the connecting pipe 5.2, the diameter of the valve plug 8 is slightly smaller than the inner diameter of the waterproof pipe 5, one end, close to the air pipe 5.1, of the valve plug 8 is connected with a sealing head, and preferably, the sealing head is made of silica gel materials; the connecting rod 6 is L-shaped and made of rigid material, one end of the connecting rod penetrates through the connecting pipe 5.2 to enter the waterproof pipe 5 and is fixedly connected with the valve plug 8, the other end of the connecting rod is fixedly connected with the floating ball 7, a bolt transmission structure 15 is arranged at the position where the connecting rod 5 penetrates through the connecting pipe 5.2 and is fixed on the waterproof pipe 5 to enable the connecting rod to be a fulcrum, and preferably, the bolt transmission structure comprises a bolt, a nut and a spring gasket; a core bar is arranged in the floating ball 7 and is fixed with the connecting rod 6 through the core bar so as to meet the requirements of strength and rigidity.

When no ponding in the moisture removal well room 13, as shown in fig. 1, floater 7 is located the concrete bottom plate in the well, and connecting rod 6 drives valve plug 8 and sealed head 9 and leaves trachea 5.1 for arrange damp pipe 4 and arrange damp well room 13 intercommunication through trachea 5.1, the moisture in direct-burried steam conduit heat preservation 2 can get into waterproof pipe 5 through arranging damp pipe 4, then arrange to arrange in the moisture removal well room 13 through trachea 5.1, the rethread drain pipe 14 arranges the municipal sewer.

In rainy weather, along with the increase of the rainfall, drain pipe 14 can not satisfy the needs of row damp well room 13 drainage, lead to arranging damp well room 13 in have ponding, as shown in fig. 2, along with the water level in arranging damp well 13 rises gradually, floater 7 also rises along with the rising of water level, and promote valve plug 8 and silica gel sealing head 9 through connecting rod 6 and bolt drive mechanism 15 and remove, rise to the height that fig. 2 shows at the water level, sealing head 9 seals trachea 5.1 completely, make row damp pipe 4 isolated with arranging damp well room 13, after the rising of water level surpassed the position that fig. 2 shows, prevent that the rainwater from pouring backward and getting into row damp pipe 4, flow into between buried steam pipeline outer protective casing 3 and the buried steam pipeline heat preservation 2 through row damp pipe 4, lead to heat preservation 2 soaks, corrode working pipe 1, influence whole section buried steam pipeline's life-service life and safety. After the rainwater weather passes, the floating ball 5 also descends along with the decline of the water level in the moisture removal well 13, pulls the valve plug 8 and the silica gel sealing head 9 through the connecting rod 6 and the bolt transmission mechanism 15 to move, slowly opens the trachea 5.1, and makes the moisture in the heat preservation layer 2 be discharged to the moisture removal well chamber 13 from the moisture removal pipe 4.

The parts not described in the specification are prior art or common general knowledge. The present embodiment is only used for illustrating the present invention, and is not used to limit the scope of the present invention, and modifications such as equivalent replacement made by those skilled in the art to the present invention are all considered to fall within the protection scope of the claims of the present invention.

Claims

1. The utility model provides a rain-proof water of buried steam conduit row tide pipe flows backward device, includes row tide pipe (4), its characterized in that still includes the floater device of being connected with row tide pipe (4), the floater device includes waterproof pipe (5), connecting rod (6) and floater (7), be equipped with trachea (5.1) and connecting pipe (5.2) on the pipe wall of waterproof pipe (5), be provided with valve plug (8) of taking sealed head (9) in waterproof pipe (5), connecting rod (6) are L shape, the one end of connecting rod (6) is passed in connecting pipe (5.2) entering waterproof pipe (5) and with valve plug (8) fixed connection, the other end and floater (7) fixed connection of connecting rod (6).

2. The rainwater backflow prevention device for the moisture discharge pipe of the buried steam pipeline according to claim 1, wherein one end of the moisture discharge pipe (4) is connected to the outer protection pipe (3) of the buried steam pipeline, and the other end of the moisture discharge pipe (4) extends into the moisture discharge well chamber (13) and is in threaded connection with one end of the waterproof pipe (5).

3. The rainwater backflow prevention device for the moisture discharge pipe of the directly buried steam pipeline according to claim 2, wherein a sealing ring (10) and a gasket (11) are arranged at the joint of the waterproof pipe (5) and the moisture discharge pipe (4).

4. The device for preventing rainwater from flowing backwards for the moisture discharge pipe of the directly buried steam pipeline as recited in claim 2, wherein the other end of the waterproof pipe (5) is provided with a head plate.

5. The device for preventing rainwater from flowing backwards for the moisture discharge pipe of the directly buried steam pipeline as recited in claim 2, wherein the moisture discharge well chamber (13) is provided with a drain pipe (14).

6. The rainwater backflow prevention device for the moisture exhaust pipe of the directly buried steam pipeline according to claim 1, wherein the connecting rod (6) is fixed on the connecting pipe (5.2) through a bolt transmission mechanism (15).

7. The device of claim 6, wherein the bolt transmission mechanism comprises a bolt, a nut and a spring washer.