CN206145359U - Prefabricated direct -burried insulating tube with waterproof construction - Google Patents

Abstract

The utility model provides a prefabricated direct -burried insulating tube with waterproof construction, insulating tube are work steel pipe, first anticorrosive coating, heat preservation, water blocking layer, second anticorrosive coating and outer tube layer from inside to outside in proper order, be equipped with the annular vertical closure plate of circle with work steel pipe vertically orientation on the both ends lateral wall of work steel pipe, vertical closure plate is installed at the both ends of first anticorrosive coating, heat preservation, water blocking layer and second anticorrosive coating, the both ends zonulae occludens of vertical closure plate and each layer, the external diameter of vertical closure plate and the internal diameter phase -match on outer tube layer, the bore diameter of vertical closure plate and the external diameter phase -match of work steel pipe. The beneficial effects of the utility model are that be equipped with humidity transducer in the heat preservation, can in time reflect intraductal humidity, so that in time maintain when heat preservation humidity is too high.

Description

A kind of prefabricated direct-buried thermal insulation pipe with waterproof construction

Technical field

This utility model is related to a kind of prefabricated direct-buried thermal insulation pipe, more particularly to a kind of prefabricated direct-buried guarantor with waterproof construction Wen Guan.

Background technology

Prefabricated direct-buried thermal insulation pipe is mainly used in the transport of liquid, gas and other media, oil, military affairs, central heating, It is widely used in the adiabatic heat-insulation engineering of the pipelines such as municipal administration.The employing that the heat-insulation layer of the prefabricated direct-buried thermal insulation pipe for using at present has Inorganic material heat-insulation layer, is easily deformed after making moist, and the problems such as heat-insulation layer occur and subside, makes heat-insulation layer not reach the effect of insulation, Simultaneously subsoil water also can directly etching instrumentation tubes, substantially reduce the service life of instrumentation tubes, corrosion even can cause instrumentation tubes Intensity the problems such as decline, be that the normal operation of pipeline brings very big potential safety hazard.

Utility model content

In view of this, this utility model is directed to a kind of prefabricated direct-buried thermal insulation pipe with waterproof construction, with solution State technical problem.

To reach above-mentioned purpose, what the technical solution of the utility model was realized in：

A kind of prefabricated direct-buried thermal insulation pipe with waterproof construction, including working steel tube, the first anticorrosive coat, heat-insulation layer, block water Layer, the second anticorrosive coat, outer casing layers, vertical closure plate, humidity sensor, the insulating tube be followed successively by from inside to outside working steel tube, First anticorrosive coat, heat-insulation layer, water blocking layer, the second anticorrosive coat and outer casing layers；With work steel on the two ends lateral wall of working steel tube The vertical direction of pipe is provided with the vertical closure plate of annular, and vertical closure plate is arranged on the first anticorrosive coat, heat-insulation layer, water blocking layer and second The two ends of anticorrosive coat, vertical closure plate is closely connected with the two ends of each layer, the external diameter of vertical closure plate and the internal diameter phase of outer casing layers Match somebody with somebody, the diameter of bore of vertical closure plate matches with the external diameter of working steel tube, the outer circumference surface of vertical closure plate is interior with outer casing layers Wall is tightly connected, and the bore area of vertical closure plate is tightly connected with the outer wall of working steel tube；Humidity sensor is provided with heat-insulation layer Device, the humidity sensor is connected with controller, and the control circuit is connected with alarm device.

Further, the water blocking layer is aluminium-plastic tape water blocking layer.

Further, the heat-insulation layer is polyurethane insulation coating.

Further, first anticorrosive coat and the second anticorrosive coat are polyurea layer.

Further, the thickness ratio of the first anticorrosive coat, heat-insulation layer and water blocking layer is 1:4:1.

Further, the vertical closure plate is steel plate.

Relative to prior art, the prefabricated direct-buried thermal insulation pipe with waterproof construction described in the utility model has following excellent Gesture：(1) setting of the outer various overcoats of working steel tube significantly improves the waterproof anti-corrosion performance of insulating tube in the present invention, first, Heat-insulation layer is externally provided with water blocking layer, can further prevent outside tube water from penetrating in pipe, and is prevented from managing interior hot water and heat The leakage of amount；Secondly, working steel tube is externally provided with the first anticorrosive coat, prevents working steel tube to be corroded, water blocking layer and outer casing layers it Between be provided with the second anticorrosive coat polyurea layer, can further increase the anti-corrosion function of insulating tube, improve the life-span of insulating tube, protect again Warm layer adopts polyurethane insulation coating, plays a part of high-efficiency insulated and waterproof；(2) humidity sensor is provided with heat-insulation layer, can The timely humidity in reflection pipe, when heat-insulation layer humidity is too high to be keeped in repair in time；(3) the two ends sealing of working steel tube sets There is vertical closure plate, be prevented from the protective layer that surface water etc. is entered outside working steel tube by the two ends of insulating tube, it is to avoid protect Warm layer etc. such as occurs subsiding the generation of phenomenon, extends the service life of insulating tube.

Description of the drawings

The accompanying drawing for constituting a part of the present utility model is used for providing further understanding to of the present utility model, and this practicality is new The schematic description and description of type is used to explain this utility model, does not constitute to improper restriction of the present utility model. In accompanying drawing：

Fig. 1 is the prefabricated direct-buried thermal insulation pipe structural representation described in this utility model embodiment with waterproof construction.

Description of reference numerals：

1- working steel tubes；The anticorrosive coats of 2- first；3- heat-insulation layers；4- water blocking layers；5- outer casing layers；The anticorrosive coats of 6- second；7- Vertical closure plate；8- humidity sensors.

Specific embodiment

It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the invention can To be mutually combined.

In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " on ", D score, The orientation or position relationship of the instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " is Based on orientation shown in the drawings or position relationship, it is for only for ease of description the invention and simplifies description, rather than indicates Or the device or element of hint indication with specific orientation, with specific azimuth configuration and operation, therefore must not be understood that It is the restriction to the invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating Or hint relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, " first ", " second " etc. are defined Feature can express or implicitly include one or more this feature.In the description of the invention, unless separately It is described, " multiple " are meant that two or more.

In the description of the invention, it should be noted that unless otherwise clearly defined and limited, term " peace Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, It can be the connection of two element internals.For the ordinary skill in the art, can be by concrete condition understanding State concrete meaning of the term in the invention.

Below with reference to the accompanying drawings and in conjunction with the embodiments describing this utility model in detail.

As shown in figure 1, a kind of prefabricated direct-buried thermal insulation pipe with waterproof construction, including working steel tube 1, the first anticorrosive coat 2, Heat-insulation layer 3, water blocking layer 4, the second anticorrosive coat 6, outer casing layers 5, vertical closure plate 7, humidity sensor 8, the insulating tube is by introversion Working steel tube 1, the first anticorrosive coat 2, heat-insulation layer 3, water blocking layer 4, the second anticorrosive coat 6 and outer casing layers 5 are followed successively by outward；The insulation Layer 3 be polyurethane insulation coating, the water blocking layer 4 be aluminium-plastic tape water blocking layer, the anticorrosive coat 6 of first anticorrosive coat 2 and second For polyurea layer, the thickness ratio of the first anticorrosive coat 2, heat-insulation layer 3 and water blocking layer 4 is 1:4:1, on the two ends lateral wall of working steel tube 1 The direction vertical with working steel tube 1 is provided with the vertical closure plate 7 of annular, and the vertical closure plate 7 is steel plate, and vertical closure plate 7 is pacified The first anticorrosive coat 2, heat-insulation layer 3, the two ends of the anticorrosive coat 6 of water blocking layer 4 and second are mounted in, vertical closure plate 7 is tight with the two ends of each layer Connection, external diameter and the internal diameter of outer casing layers 5 of vertical closure plate 7 match, diameter of bore and the working steel tube 1 of vertical closure plate 7 External diameter matches, and the outer circumference surface of vertical closure plate 7 is connected with the inner wall sealing of outer casing layers 5, the bore area of vertical closure plate 7 with The outer wall of working steel tube 1 is tightly connected.Humidity sensor 8 is provided with heat-insulation layer 3, can in time reflect the humidity of heat-insulation layer 3, institute State humidity sensor 8 to be connected with the controller in earth's surface by wire, the control circuit is connected with alarm device, on-call maintenance Process.

Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit this utility model Within the spirit and principle of utility model, any modification, equivalent substitution and improvements made etc. should be included in this utility model Protection domain within.

Claims (6)

1. a kind of prefabricated direct-buried thermal insulation pipe with waterproof construction, it is characterised in that：Including working steel tube (1), the first anticorrosive coat (2), heat-insulation layer (3), water blocking layer (4), the second anticorrosive coat (6), outer casing layers (5), vertical closure plate (7) and humidity sensor (8), The insulating tube be followed successively by from inside to outside working steel tube (1), the first anticorrosive coat (2), heat-insulation layer (3), water blocking layer (4), second prevent Rotten layer (6) and outer casing layers (5)；The direction vertical with working steel tube (1) is provided with annulus on the two ends lateral wall of working steel tube (1) The vertical closure plate (7) of shape, vertical closure plate (7) is installed in the first anticorrosive coat (2), heat-insulation layer (3), water blocking layer (4) and the second anti-corrosion The two ends of layer (6), vertical closure plate (7) is closely connected with the two ends of each layer, external diameter and the outer casing layers (5) of vertical closure plate (7) Internal diameter matches, and diameter of bore and the external diameter of working steel tube (1) of vertical closure plate (7) match, the excircle of vertical closure plate (7) Face is connected with the inner wall sealing of outer casing layers (5), and the bore area of vertical closure plate (7) connects with the outer wall sealing of working steel tube (1) Connect；Humidity sensor (8) is provided with heat-insulation layer (3), the humidity sensor (8) is connected with controller, the control circuit It is connected with alarm device.

2. the prefabricated direct-buried thermal insulation pipe with waterproof construction according to claim 1, it is characterised in that：The water blocking layer (4) it is aluminium-plastic tape water blocking layer.

3. the prefabricated direct-buried thermal insulation pipe with waterproof construction according to claim 1, it is characterised in that：The heat-insulation layer (3) it is polyurethane insulation coating.

4. the prefabricated direct-buried thermal insulation pipe with waterproof construction according to any one of claim 1-3, it is characterised in that：It is described First anticorrosive coat (2) and the second anticorrosive coat (6) are polyurea layer.

5. the prefabricated direct-buried thermal insulation pipe with waterproof construction according to claim 4, it is characterised in that：First anticorrosive coat (2), the thickness ratio of heat-insulation layer (3) and water blocking layer (4) is 1:4:1.

6. the prefabricated direct-buried thermal insulation pipe with waterproof construction according to claim 1, it is characterised in that：The vertical closure plate (7) it is steel plate.