Prefabricated directly-buried steam thermal insulation pipe for urban heat supply

Abstract

The utility model discloses a prefabricated direct burial steam thermal insulation pipe for urban heat supply, which relates to the technical field of thermal insulation pipes and comprises a thermal insulation end shell, a thermal insulation end cover is mounted at the top of one end of the thermal insulation end shell in a hinged manner, a thermal insulation pipe mechanism is mounted on one side wall of the thermal insulation end shell in an embedded manner, and an anti-falling part is mounted at the other end of the thermal insulation pipe mechanism. And a sealing ring is wrapped on the outer surface of one side wall of the thermal insulation pipe mechanism close to the anti-falling piece. The two ends of a plurality of devices are connected end to end, the anti-falling piece and the sealing ring are arranged and can move on the upper clamping groove and the lower clamping groove, so that gap connection within a certain range can be achieved, then the square groove is turned over, the four screws and the lower fixing piece are fixed respectively, and the installation structure is low in precision requirement, convenient to install and low in cost. The bee grid supporting piece is arranged between the outer protective layer and the metal pipe, and therefore strong supporting can be obtained, strong supporting force is achieved during installation, and the situation that the outer protective layer is pressed and damaged due to the fact that the heat preservation layer is too soft is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of heat preservation pipe, especially to a town heat supply prefabricated direct -buried steam heat preservation pipe. BACKGROUND

[0002] Steam heat preservation pipe is widely used in petroleum, chemical industry, pharmacy, food, papermaking, ship, urban heat supply and other fields. The prefabricated heat preservation pipe can be connected and used directly, which is very convenient.

[0003] The existing patent (announcement number: CN222277900U) discloses a town heat supply prefabricated direct -buried steam heat preservation pipe and relates to the technical field of heat preservation pipe. Including a plurality of pipelines, the pipeline side is provided with a valve, the valve includes a hand wheel, a threaded rod, a sealing plug and a semicircular baffle, the hand wheel is fixedly installed on the top of the threaded rod, the sealing plug is fixedly installed on the bottom of the threaded rod, the baffle is provided with two and is centrally symmetrically arranged on the upper and lower sides, a square ring is horizontally fixedly installed between the upper and lower baffles, a hole is formed in the middle position of the square ring and corresponds to the sealing plug, and the pipeline outer wall is wrapped with a heat preservation layer. The inventor found that the following problems in the prior art have not been well solved in the process of realizing the scheme: the device has high precision requirements during installation, the installation fault tolerance is complicated, and the difficulty is relatively large. There is no support in the heat preservation layer of the device, and the compression damage may be large. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a town heat supply prefabricated direct -buried steam heat preservation pipe, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is:

[0006] A town heat supply prefabricated direct -buried steam heat preservation pipe, including heat preservation end shell, the heat preservation end shell one end top articulated installation has heat preservation end cover, the heat preservation end shell one side wall inserts installation has heat preservation pipe mechanism, the rest of heat preservation pipe mechanism one end installation has anti -drop piece, the heat preservation pipe mechanism one side wall outer surface is close to the anti -drop piece and is wrapped with sealing ring, the heat preservation end cover one side is equipped with upper clamping groove, the heat preservation end shell inside is equipped with inner chamber, the heat preservation end shell is equipped with lower clamping groove away from heat preservation pipe mechanism one side wall.

[0007] The heat preservation pipe mechanism includes an outer protective layer, a heat preservation layer and a metal pipe, the outer surface of the metal pipe is fixedly sleeved with a honeycomb support, the outer surface of the honeycomb support is coated with an outer protective layer, and the outer protective layer and the metal pipe are filled with a heat preservation layer.

[0008] Preferably, two lower fixing members are fixedly installed on the two side surfaces of the heat preservation end shell, and two screws are fixedly installed on the two side walls of the heat preservation end cover.

[0009] Preferably, the upper clamping groove and the lower clamping groove are matched with the outer surface of the heat preservation pipe mechanism, and the sealing ring is located in the upper clamping groove.

[0010] Preferably, side sealing pads and top sealing pads are fixedly installed at the connection between the heat preservation end shell and the heat preservation end cover.

[0011] Preferably, a square groove is embeddedly installed in the top plate of the heat preservation end cover, and a sealing plug is embeddedly installed in the square groove.

[0012] Preferably, the metal pipe is coated with a porcelain layer inside.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1. The sealing plug is replaced by a movable sealing bolt plate, the movable sealing bolt plate is installed in the heat preservation end cover when needed, and the movable sealing bolt plate is inserted downward to seal the two ends of the inner cavity, so that rapid sealing can be realized, when installation, the two ends of a plurality of devices are connected, the anti-dropping member and the sealing ring are arranged to be movable on the upper clamping groove and the lower clamping groove, so that gap connection in a certain range can be realized, then the square groove is turned over, four screws and lower fixing members are fixed respectively, the installation structure has low precision requirement, so that installation is facilitated.

[0015] 2. The honeycomb support member is arranged between the outer protective layer and the metal pipe, so that strong support can be obtained, so that strong support force is obtained during installation, and damage of the outer protective layer caused by excessive softness of the heat preservation layer is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model of a town heat supply prefabricated directly buried steam heat preservation pipe;

[0017] Figure 2 It is an installation structure schematic view of the utility model of a town heat supply prefabricated directly buried steam heat preservation pipe valve body;

[0018] Figure 3 It is a three-dimensional structure schematic view of the utility model of a town heat supply prefabricated directly buried steam heat preservation pipe heat preservation end shell;

[0019] Figure 4 It is a three-dimensional structure schematic view of the utility model of a town heat supply prefabricated directly buried steam heat preservation pipe heat preservation end cover;

[0020] Figure 5The utility model relates to a kind of urban heat supply prefabricated direct-buried steam heat preservation pipe heat preservation pipe mechanism three-dimensional structure schematic diagram.

[0021] In the drawing: 1, heat preservation pipe mechanism;101, outer protective layer;102, heat preservation layer;103, honeycomb support;104, porcelain layer;105, metal pipe;2, sealing ring;3, anti-drop piece;4, heat preservation end shell;5, square groove;6, heat preservation end cover;7, screw;8, sealing plug;9, lower fixing piece;10, upper clamping groove;11, lower clamping groove;12, inner cavity;13, side sealing gasket;14, top sealing gasket;15, movable sealing bolt plate;16, clamping block;17, handle groove. DETAILED DESCRIPTION

[0022] To make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0023] As Figures 1-5 shown, a kind of urban heat supply prefabricated direct-buried steam heat preservation pipe, including heat preservation end shell 4, heat preservation end shell 4 one end top hinged mounting has heat preservation end cover 6, heat preservation end shell 4 one side wall embedding installation has heat preservation pipe mechanism 1, the remaining one end of heat preservation pipe mechanism 1 is installed with anti-drop piece 3, the outer surface of one side wall of heat preservation pipe mechanism 1 is wrapped with sealing ring 2 close to anti-drop piece 3, the side of heat preservation end cover 6 is provided with upper clamping groove 10, heat preservation end shell 4 inside is equipped with inner cavity 12, heat preservation end shell 4 is equipped with lower clamping groove 11 away from heat preservation pipe mechanism 1 one side wall.

[0024] Heat preservation pipe mechanism 1 includes outer protective layer 101, heat preservation layer 102 and metal pipe 105, metal pipe 105 outer surface is fixedly sleeved with honeycomb support 103, the outer surface of honeycomb support 103 is coated with outer protective layer 101, outer protective layer 101 and metal pipe 105 are filled with heat preservation layer 102.

[0025] In the embodiment, the two side surfaces of heat preservation end shell 4 are fixedly installed with two lower fixing pieces 9, the two side walls of heat preservation end cover 6 are fixedly installed with two screws 7, four screws 7 and lower fixing piece 9 correspond and adapt;Upper clamping groove 10 and lower clamping groove 11 are adapted to the outer surface of heat preservation pipe mechanism 1, sealing ring 2 is positionally corresponding with upper clamping groove 10.

[0026] Specific, by replacing the sealing plug 8 with a movable sealing bolt plate 15, when needed, the movable sealing bolt plate 15 is installed in the heat preservation end cover 6, and the movable sealing bolt plate 15 is inserted downward, the movable sealing bolt plate 15 can seal both ends of the inner cavity 12, and quick sealing can be achieved, when installing, the ends of the plurality of devices are connected, the anti-dropping piece 3 and the sealing ring 2 can move on the upper clamping groove 10 and the lower clamping groove 11, thereby achieving gap connection within a certain range, then the square groove 5 is turned over, and the four screws 7 and the lower fixing piece 9 are fixed respectively, the installation structure has low precision requirement, thereby facilitating installation.

[0027] In the embodiment, the side sealing gasket 13 and the top sealing gasket 14 are fixedly installed at the connection between the heat preservation end shell 4 and the heat preservation end cover 6; the square groove 5 is embeddedly installed in the top plate of the heat preservation end cover 6, and the sealing plug 8 is embeddedly installed in the square groove 5; and the ceramic coating layer 104 is coated on the inside of the metal pipe 105.

[0028] Specifically, the honeycomb support 103 is arranged between the outer protective layer 101 and the metal pipe 105, so that strong support can be obtained, thereby having strong supporting force during installation, and reducing damage of the outer protective layer 101 caused by excessive softness of the heat preservation layer 102.

[0029] Working principle: the sealing plug 8 in the utility model can be replaced by a movable sealing bolt plate 15, a handle groove 17 is formed at one end of the movable sealing bolt plate 15, and a clamping block 16 is fixedly installed on the inner end surface of the movable sealing bolt plate 15, by replacing the sealing plug 8 with the movable sealing bolt plate 15, when needed, the movable sealing bolt plate 15 is installed in the heat preservation end cover 6, and the movable sealing bolt plate 15 is inserted downward, the movable sealing bolt plate 15 can seal both ends of the inner cavity 12, and quick sealing can be achieved, when installing, the ends of the plurality of devices are connected, the anti-dropping piece 3 and the sealing ring 2 can move on the upper clamping groove 10 and the lower clamping groove 11, thereby achieving gap connection within a certain range, then the square groove 5 is turned over, and the four screws 7 and the lower fixing piece 9 are fixed respectively, the installation structure has low precision requirement, thereby facilitating installation, the honeycomb support 103 is arranged between the outer protective layer 101 and the metal pipe 105, so that strong support can be obtained, thereby having strong supporting force during installation, and reducing damage of the outer protective layer 101 caused by excessive softness of the heat preservation layer 102.

[0030] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A prefabricated direct-buried steam insulation pipe for urban heating, comprising an insulation end shell (4), characterized in that: The top of one end of the heat preservation end shell (4) is hingedly installed with a heat preservation end cover (6), one side wall of the heat preservation end shell (4) is embeddedly installed with a heat preservation pipe mechanism (1), the remaining one end of the heat preservation pipe mechanism (1) is installed with an anti-dropping piece (3), the outer surface of one side wall of the heat preservation pipe mechanism (1) is wrapped with a sealing ring (2) near the anti-dropping piece (3), one side of the heat preservation end cover (6) is provided with an upper clamping groove (10), the heat preservation end shell (4) is internally provided with an inner cavity (12), and the side wall of the heat preservation end shell (4) away from the heat preservation pipe mechanism (1) is provided with a lower clamping groove (11). The heat preservation pipe mechanism (1) comprises an outer protective layer (101), a heat preservation layer (102) and a metal pipe (105), the outer surface of the metal pipe (105) is fixedly sleeved with a honeycomb support (103), the outer surface of the honeycomb support (103) is coated with the outer protective layer (101), and the outer protective layer (101) and the metal pipe (105) are filled with the heat preservation layer (102).

2. The prefabricated direct-buried steam heat-insulated pipe for urban heat supply according to claim 1, characterized in that: Both sides of the heat preservation end shell (4) are fixedly installed with two lower fixing pieces (9), both side walls of the heat preservation end cover (6) are fixedly installed with two screws (7), and the four screws (7) and the lower fixing pieces (9) are corresponding and matched.

3. A prefabricated direct-buried heat supply pipe for heating of towns and cities according to claim 1, characterized in that: The upper clamping groove (10) and the lower clamping groove (11) are matched with the outer surface of the heat preservation pipe mechanism (1), and the sealing ring (2) is positionally corresponding to the upper clamping groove (10).

4. A prefabricated direct-buried heat supply pipe for heating towns according to claim 1, characterized in that: The connection between the heat preservation end shell (4) and the heat preservation end cover (6) is fixedly installed with a side sealing gasket (13) and a top sealing gasket (14).

5. A prefabricated direct-buried heat supply pipe for heating of towns and cities according to claim 1, characterized in that: The top plate of the heat preservation end cover (6) is embeddedly installed with a square groove (5), and the square groove (5) is embeddedly installed with a sealing plug (8) in the inside.

6. A prefabricated direct-buried heat supply pipe for heating of towns and cities according to claim 1, characterized in that: The inside of the metal pipe (105) is coated with a porcelain coating layer (104).

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