CN215862261U

CN215862261U - Rain-proof cap for direct-buried type ground outlet steam pipeline

Info

Publication number: CN215862261U
Application number: CN202121800429.0U
Authority: CN
Inventors: 敖磊; 林啸; 石峰; 邢广成; 沈吴超; 邱奇; 邓凯
Original assignee: WUHAN DEWN ENGINEERING TECHNOLOGY CO LTD
Current assignee: WUHAN DEWN ENGINEERING TECHNOLOGY CO LTD
Priority date: 2021-08-03
Filing date: 2021-08-03
Publication date: 2022-02-18
Anticipated expiration: 2031-08-03

Abstract

The utility model discloses a rain hat for a direct-buried ground outlet steam pipeline, which further comprises a clamp hoop and a rain hat body, wherein the clamp hoop is internally pasted with a heat insulation material, and the rain hat body is sleeved outside the clamp hoop and is welded and fixed with the clamp hoop; the clamp is fixed on the outer surface of the upper working pipe through a fastener, a heat insulation material is arranged on the outer side of the upper working pipe above the clamp, and an outer protective plate is arranged on the outer side of the heat insulation material; the upper surface of rain-proof cap body, lower surface fixedly connected with respectively follow the outside of outer casing is provided with the interior seal ring of round and follows rain-proof cap body outward flange is provided with the outer seal ring of round. The utility model provides a rain hat for a direct-buried type ground outlet steam pipeline, wherein an inner water stop ring and an outer water stop ring are arranged on the rain hat to realize the rain-proof and water leakage-proof effects, and a clamp internally provided with a heat insulation material is arranged between the rain hat and a working pipe to realize the heat insulation performance of the ground outlet steam pipeline.

Description

Rain-proof cap for direct-buried type ground outlet steam pipeline

Technical Field

The utility model belongs to the technical field of steam pipelines, and particularly relates to a rain-proof cap for a direct-buried type ground outlet steam pipeline.

Background

In recent years, the direct-buried heat-preservation ground outlet steam pipeline is generally applied to a heat supply network pipeline, but the direct-buried heat-preservation ground outlet steam pipeline is not taken into consideration as a rain-proof cap which is required to be used in the aspects of rain prevention and water leakage prevention. The existing rain-proof cap is generally covered at the ground outlet end of a steam pipeline by a steel ring plate, the outer edge of the ring plate is bent downwards, a hole is formed in the middle of the ring plate, and then the rain-proof cap is sleeved in the upper heat insulation layer of the working pipe. However, the rain-proof cap, the working pipe and the outer sleeve do not form effective sealing fixation, rainwater can enter the heat-insulating layer from the middle opening and the lateral gap, the heat-insulating layer is damaged, and the overall performance of the pipeline is affected; in addition, no heat insulation layer is arranged between the rain hat and the working pipe, and a hot bridge effect is easy to generate.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a rain hat for a direct-buried underground steam pipeline, wherein an inner water stop ring and an outer water stop ring are arranged on the rain hat to realize the effects of preventing rain and water leakage, and a clamp internally provided with a heat insulating material is arranged between the rain hat and a working pipe to realize the heat insulating property of the underground steam pipeline.

The technical scheme adopted by the utility model is as follows:

a rain-proof cap for a direct-buried type ground outlet steam pipeline comprises a working pipe, wherein an outer sleeve is sleeved outside the working pipe, and a heat insulation layer is arranged between the outer sleeve and the working pipe; the working pipe comprises an upper working pipe and a lower working pipe which are mutually vertical and integrally formed, and also comprises a clamp hoop with heat insulation materials attached inside and a rain hat body which is sleeved outside the clamp hoop and is welded and fixed with the clamp hoop; the clamp is fixed on the outer surface of the upper working pipe through a fastener, a heat insulation material is arranged on the outer side of the upper working pipe above the clamp, and an outer protective plate is arranged on the outer side of the heat insulation material; the upper surface of rain-proof cap body, lower surface fixedly connected with respectively follow the outside of outer casing is provided with the interior seal ring of round and follows rain-proof cap body outward flange is provided with the outer seal ring of round.

Further, the fasteners are provided as a plurality of bolts; the clamp comprises two semi-ring-shaped clamp units and ear plates fixedly arranged at two ends of each clamp unit, and a plurality of bolt holes matched with the bolts are formed in the ear plates; the clamp hoop penetrates through the corresponding bolt holes through a plurality of bolts to be tightly connected to the outer surface of the upper working pipe.

Further, the rain hat body sets up the steel sheet into eccentric trompil, and its four corners sets up and is the radius angle type.

Further, the lower surface of the rain hat body is in contact with the heat insulation layer.

Further, the length of rain hat body is greater than the diameter of outer tube.

Further, the insulation material is provided as a fiberglass knitted blanket.

Furthermore, the upper working pipe is arranged to be out of the ground, and the lower working pipe is arranged to be buried.

The utility model has the beneficial effects that:

1) the heat insulation material is arranged in the clamp, and is compacted and installed on the surface of the ground outlet working pipe together with the clamp through fasteners such as bolts and the like, so that the rain hat has a good heat insulation effect;

2) a circle of inner water stop ring is arranged on the upper surface of the rain hat body, namely the upper surface of the steel plate with the eccentric hole, along the outer side of the outer guard plate, so that rainwater can be prevented from entering the heat insulation layer from the gap of the outer guard plate to damage the heat insulation layer and influence the overall performance of the pipeline;

3) the lower surface edge at rain-proof cap body outward flange is provided with the outer seal ring of round, prevents that the rainwater from getting into the heat preservation from the outer tube clearance, realizes the rain-proof leak protection water effect of direct-burried steam outlet pipe way.

Drawings

The utility model is further described with reference to the following figures and detailed description:

fig. 1 is a schematic structural diagram of a rain hat for a direct-buried underground steam pipeline according to the present invention;

fig. 2 is a top view of fig. 1.

In the figure: 1. a lower working pipe; 2. an outer sleeve; 3. a heat-insulating layer; 4. a clamping hoop; 5. a fastener; 6. a rain hat body; 7. an inner water stop ring; 8. an outer water stop ring; 9. a thermal insulation material; 10. an upper working pipe; 11. an outer shroud.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

It should be noted that in the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on the directions or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

The utility model provides a rain-proof cap for direct-burried formula steam pipeline that goes out, as shown in fig. 1 to 2, includes the working tube, the working tube overcoat is equipped with outer tube 2, be provided with heat preservation 3 between outer tube 2 and the working tube. The working pipe comprises an upper working pipe 10 and a lower working pipe 1 which are vertical to each other and are integrally formed, the upper working pipe 10 is arranged to be out of the ground, namely, vertically overhead and externally arranged above the ground, and the lower working pipe 1 is arranged to be buried underground, namely, horizontally buried below the ground.

The rain hat further comprises a clamp 4 with heat insulation materials attached inside and a rain hat body 6 sleeved outside the clamp 4 and welded and fixed with the clamp 4; the clamp 4 is fixed on the outer surface of the upper working pipe 10 through a fastener 5, a heat insulation material 9 is arranged on the outer side of the upper working pipe 10 above the clamp 4, and an outer protection plate 11 is arranged on the outer side of the heat insulation material 9; the upper surface of rain-proof cap body 6, lower surface fixedly connected with respectively follow the outside of outer casing 11 is provided with the interior seal ring 7 of round and follows the outer seal ring 8 of round is provided with to the outward flange of rain-proof cap body 6, interior seal ring 7 and outer seal ring 8 can adopt the diameter to be 10 round steel circle or adopt 25 x 4 flat steel ring.

Preferably, the fastening member 5 is provided with two bolts; the clamp 4 comprises two semicircular clamp 4 units and ear plates fixedly arranged at two ends of each clamp 4 unit, and two bolt holes matched with the bolts are formed in the ear plates; the clamp 4 is fastened to the outer surface of the upper working pipe 10 by two bolts passing through the corresponding bolt holes.

In the preferred embodiment, the rain hat body 6 is made of a steel plate with an eccentric hole, four corners of the steel plate are rounded, the size and direction of the eccentric hole formed in the rain hat body 6 are determined by the size and direction of the thermal displacement of the pipeline, and the rain hat body can still cover the rain-proof area to play a role in rain protection when the steam pipeline goes out of the ground and is subjected to thermal expansion displacement towards one direction.

In the preferred embodiment, the lower surface of the rain hat body 6 contacts the insulating layer 3.

The preferred of this embodiment, rain-proof cap body 6's length is greater than the diameter of outer tube 2, further guarantees rain-proof leak protection water effect.

Preferably, the heat insulating material is provided as a glass fiber needled blanket.

The construction process of the utility model is as follows: 1) an outer sleeve 2 is sleeved on the working pipe, an insulating layer 3 is arranged between the working pipe and the outer sleeve 2, and then the ground outlet steam pipeline is installed in place; 2) prefabricating two semi-ring-shaped clamp 4 units, arranging a glass fiber knitted blanket in each clamp 4 unit, preparing materials such as fastening bolts, spring washers, flat washers and nuts, and after the manufacture is qualified, positioning the clamp 4 units on site and fastening and installing the clamp 4 units on the outer surface of an upper working pipe 10 of a buried 90-degree elbow outlet steam pipeline through bolts; 3) prefabricating a rain hat body 6, and after the rain hat body 6 is qualified after being manufactured, sleeving the rain hat body 6 outside the clamping hoop 4 in place on site and welding the rain hat body 6 to the clamping hoop 4; 4) the construction is completed after the inner water stop ring 7 and the outer water stop ring 8 are respectively welded on the upper surface and the lower surface of the rain hat body 6. Note that the installation of the rain hat body 6 should be carried out after the buried 90-degree elbow outer-sleeved steel plate box is finished. The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention can be made by those skilled in the art without departing from the principle and spirit of the present invention, and the scope of the present invention is defined by the appended claims.

Claims

1. A rain hat for a direct-buried type ground outlet steam pipeline comprises a working pipe, wherein an outer sleeve (2) is sleeved outside the working pipe, and a heat insulation layer (3) is arranged between the outer sleeve (2) and the working pipe; the heat-insulation rain-proof hat is characterized in that the working pipe comprises an upper working pipe (10) and a lower working pipe (1) which are mutually vertical and are integrally formed, and further comprises a clamp (4) internally adhered with heat-insulation materials and a rain-proof hat body (6) sleeved outside the clamp (4) and welded and fixed with the clamp (4); the clamp (4) is fixed on the outer surface of the upper working pipe (10) through a fastener (5), a heat insulation material (9) is arranged on the outer side of the upper working pipe (10) above the clamp (4), and an outer protective plate (11) is arranged on the outer side of the heat insulation material (9); the upper surface and the lower surface of the rain hat body (6) are respectively fixedly connected with edges, the outer side of the outer guard plate (11) is provided with a circle of inner water stop rings (7) and an edge, and the outer edge of the rain hat body (6) is provided with a circle of outer water stop rings (8).

2. The rain hat for a direct burial underground steam pipeline as claimed in claim 1, characterized in that the fastening member (5) is provided as a plurality of bolts; the clamp (4) comprises two semicircular clamp (4) units and ear plates fixedly arranged at two ends of each clamp (4) unit, and a plurality of bolt holes matched with the bolts are formed in the ear plates; the clamp (4) is fixedly connected to the outer surface of the upper working pipe (10) through a plurality of bolts penetrating through the corresponding bolt holes.

3. The rain hat for the directly buried underground steam pipeline is characterized in that the rain hat body (6) is made of an eccentrically perforated steel plate, and four corners of the rain hat body are rounded.

4. The rain hat for the directly buried underground steam pipeline is characterized in that the lower surface of the rain hat body (6) is in contact with the insulating layer (3).

5. The rain hat for a directly buried underground steam pipeline according to claim 1, characterized in that the length of the rain hat body (6) is greater than the diameter of the outer sleeve (2).

6. The rain hat for a direct burial out of ground steam conduit as recited in claim 1, wherein the insulation material is provided as a fiberglass knitted blanket.

7. Rain hat for a directly buried underground steam pipeline according to claim 1, characterised in that the upper service pipe (10) is arranged to go out of the ground and the lower service pipe (1) is arranged to be buried.