CN115628330A

CN115628330A - Polyurethane heat-insulating pipeline with built-in ceramic heat-insulating ring and production equipment thereof

Info

Publication number: CN115628330A
Application number: CN202211277234.1A
Authority: CN
Inventors: 毕玉谦
Original assignee: Shandong Dacheng Anti Corrosion And Thermal Insulation Installation Engineering Co ltd
Current assignee: Shandong Dacheng Anti Corrosion And Thermal Insulation Installation Engineering Co ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-01-20
Anticipated expiration: 2042-10-19
Also published as: CN115628330B

Abstract

The invention belongs to the technical field of heat preservation pipes, and particularly relates to a polyurethane heat preservation pipeline with a built-in ceramic heat insulation ring and production equipment thereof, wherein the polyurethane heat preservation pipeline comprises a heat preservation pipeline main body, a working steel pipe, a polyurethane heat preservation layer, a polyethylene plastic outer protection pipe, a ceramic layer and a suspension layer; the invention provides a method for preparing a ceramic layer in a working steel pipe, which overcomes the defect of poor heat resistance of a polyurethane heat-insulating pipe by using the heat insulation property of ceramic.

Description

Polyurethane heat-insulating pipeline with built-in ceramic heat-insulating ring and production equipment thereof

Technical Field

The invention belongs to the technical field of heat-insulating pipes, and particularly relates to a polyurethane heat-insulating pipeline with a built-in ceramic heat-insulating ring and production equipment thereof.

Background

Due to the sealed bubble structure, the polyurethane also plays a certain role in protecting the outer wall of the working steel pipe from being corroded by the external environment. The composite heat-insulating pipeline solves two problems of corrosion resistance and heat insulation, the underground service life can reach more than 20 years, and the composite heat-insulating pipeline does not need maintenance after running for many years, which is an ideal situation.

Disclosure of Invention

In order to solve the problem that the polyurethane heat-insulating layer is different from a steel pipe, uneven heat-insulating thickness is formed, and outer plastic is softened and damaged, and meanwhile the polyurethane heat-insulating pipe has the defect of poor heat resistance, the ceramic layer is arranged in the working steel pipe, and the defect of poor heat resistance of the polyurethane heat-insulating pipe is overcome by using the heat-insulating property of ceramic.

The technical scheme adopted by the invention is as follows: the invention provides a polyurethane thermal insulation pipeline with a built-in ceramic thermal insulation ring, which comprises a thermal insulation pipeline main body, a working steel pipe, a polyurethane thermal insulation layer, a polyethylene plastic outer protection pipe, a ceramic layer and a suspension layer, wherein the polyethylene plastic outer protection pipe is arranged on the outer side of the thermal insulation pipeline main body, the polyurethane thermal insulation layer is arranged on the inner side of the polyethylene plastic outer protection pipe, the working steel pipe is arranged on the inner side of the polyurethane thermal insulation layer, the suspension layer is arranged on the inner side of the working steel pipe, and the ceramic layer is arranged on the inner side of the suspension layer.

Further, the suspension layer includes strong magnet one, strong magnet two, buffer tube one, buffer tube two and supporting layer, the outside of ceramic layer is located to the supporting layer, the outside of supporting layer is located to buffer tube two, the inboard of work steel pipe is located to buffer tube one, the inside bottom of buffer tube one is located to strong magnet two, strong magnet one floats and locates in buffer tube one, the one end of buffer tube two is located to strong magnet one, strong magnet one is the same with two magnetism of strong magnet.

This scheme still discloses a production facility of polyurethane insulation pipe of built-in pottery heat insulating ring, including production facility main part, mould subassembly and effective plasticity humidification mechanism, its characterized in that: still including the spacing moulding mechanism of antigravity formula of beating, the mould subassembly is located in the production facility main part, the spacing moulding mechanism of antigravity formula of beating is located on the mould subassembly, effective plasticity humidification mechanism is located on the spacing moulding mechanism of antigravity formula of beating.

Further, the mould subassembly includes fixed disk, design bucket and equipment frame, the equipment frame is located in the production facility main part, the fixed disk is located on the equipment frame, the design bucket can be dismantled and locate on the fixed disk.

Further, spacing moulding mechanism of formula is beaten to antigravity includes that reverse rotation power component, intermittent type formula clay center draw the nest subassembly and extrude spacing formula shaping subassembly, reverse rotation power component locates in the design bucket, intermittent type formula clay center draws the nest subassembly to locate in the reverse rotation power component, extrude spacing formula shaping subassembly locate intermittent type formula clay center draw in the nest subassembly furtherly, reverse rotation power component includes shaping bucket, mounting, loop forming element, annular spout, slider one, gear, tooth piece and motor, the inside upper end of design bucket is located to the mounting, the one end of mounting is located to the loop forming element, the annular spout is located in the loop forming element, slider one slides and locates in the annular spout, the other end of slider one is located to the outer wall lower extreme of shaping bucket, the motor is located on the mounting, the output of motor is located to the gear, tooth piece annular array locates on the outer wall of shaping bucket.

Further, intermittent type formula clay center is drawn a nest subassembly and is included vertical type spout, slider two, cross slider, connecting rod, hits and beat hammer, strong magnet three and circular telegram magnet, vertical type spout is located in the wall of shaping bucket, two slides of slider are located in the vertical type spout, the one end of slider two is located to the one end of cross slider, the lower extreme of cross slider is located to strong magnet three, circular telegram magnet locates the inside lower extreme of shaping bucket, the lower extreme of strong magnet three is located to the one end of connecting rod, hit and beat the lower extreme that the hammer located the connecting rod, circular telegram magnet slides and cup joints on locating the connecting rod.

Further, the three magnetism of the energized magnet and the strong magnet are the same.

Further, the extrusion limiting type forming assembly comprises a center column, a first hinge, a second hinge, a cylinder, a plastic plate and a third hinge, wherein the center column is arranged at the lower end of the inside of the striking hammer, the first hinge is arranged on the side wall of the center column, the cylinder is arranged on the first hinge, the third hinge is arranged on the outer wall of the striking hammer, one end of the plastic plate is arranged on the third hinge, the second hinge is arranged on the plastic plate, and the output end of the cylinder is arranged on the second hinge.

Further, effective plasticity humidification mechanism includes water pump and sprinkler head, the inside upper end of beating the hammer is located to the water pump, the output of water pump is located to the sprinkler head, the external water source of water pump.

The invention with the structure has the following beneficial effects: the invention provides a polyurethane thermal insulation pipeline with a built-in ceramic thermal insulation ring and production equipment thereof, and the polyurethane thermal insulation pipeline has the following beneficial effects:

(1) In order to make up for the defect of poor heat resistance of the polyurethane heat-insulating pipe by using the heat insulation property of ceramic, the invention provides the method for arranging the ceramic layer in the working steel pipe, so that the defect of poor heat resistance of the polyurethane heat-insulating pipe is overcome.

(2) In order to further improve the practicability and the popularization, the invention provides the suspension layer, the repulsion force of the strong magnet I and the strong magnet II is utilized to buffer and protect the ceramic layer, and the problems that the ceramic layer is not high in hardness and is easy to crack are solved.

(3) The electrified magnet is electrified intermittently until the middle of the clay is broken through, so that the working efficiency of manufacturing the ceramic layer is improved.

(4) The shape of the ceramic layer is manufactured from bottom to top in sequence from small to large in the electrifying strength of the electrified magnet, so that the flexibility of the ceramic layer in the manufacturing process is improved.

(5) The water pump is started to supplement water to the clay through the spray head, and plasticity is increased.

Drawings

FIG. 1 is a front view of a production apparatus for a polyurethane thermal insulation pipeline with a built-in ceramic thermal insulation ring according to the present invention;

FIG. 2 is a front sectional view of a production apparatus for a polyurethane thermal insulation pipeline with a built-in ceramic thermal insulation ring according to the present invention;

FIG. 3 is a top view of a production apparatus for a polyurethane thermal insulation pipeline with a built-in ceramic thermal insulation ring according to the present invention;

FIG. 4 is a schematic structural view of a polyurethane thermal insulation pipeline with a built-in ceramic thermal insulation ring according to the present invention;

FIG. 5 is a top view of the sizing barrel;

FIG. 6 is a schematic view of an extrusion limiting molding assembly;

FIG. 7 is a schematic view of the working state of the extrusion limiting type molding assembly;

fig. 8 is a partially enlarged view of a portion a in fig. 2.

The device comprises a heat insulation pipeline main body 1, a production equipment main body 2, a working steel pipe 3, a working steel pipe 4, a polyurethane heat insulation layer 5, a polyethylene plastic outer protection pipe 6, a ceramic layer 7, a suspension layer 8, a strong magnet I, a strong magnet II, a buffer pipe I, a buffer pipe II, a buffer pipe 12, a support layer 13, a mold assembly 14, an antigravity hammering type limiting shaping mechanism 15, an effective plasticity humidifying mechanism 16, a fixed disk 17, a shaping barrel 18, an equipment frame 19, a reverse rotation power assembly 20, an intermittent clay center digging assembly 21, an extrusion limiting type shaping assembly 22, a water pump 23, a sprinkler head 24, a shaping barrel 25, a fixed component 26, a ring component 27, a ring chute 28, a slider I, 29, a gear 30, a tooth block 31, a motor 32, a longitudinal chute 33, a slider II, 34, a cross sliding piece 35, a connecting rod 36, a strong magnet hammering device 37, a strong magnet hammering device 38, a power-on magnet 39, a center column 41, a hinge 44, a plastic hinge 44 and a hinge 44.

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention.

As shown in fig. 1 to 8, the invention provides a polyurethane thermal insulation pipeline with a built-in ceramic thermal insulation ring, which comprises a thermal insulation pipeline main body 1, a working steel pipe 3, a polyurethane thermal insulation layer 4 and a polyethylene plastic outer protective pipe 5, and is characterized in that; still include ceramic layer 6 and suspension layer 7, the outside of thermal-insulated pipeline main part 1 is located to polyethylene plastic outer casing 5, and the inboard of polyethylene plastic outer casing 5 is located to polyurethane heat preservation 4, and polyurethane heat preservation 4's inboard is located to work steel pipe 3, and the inboard of work steel pipe 3 is located to suspension layer 7, and the inboard of suspension layer 7 is located to ceramic layer 6.

Suspension layer 7 includes strong magnet 8, strong magnet two 9, buffer tube 10, buffer tube two 11 and supporting layer 12, and ceramic layer 6's the outside is located to supporting layer 12, and the outside of supporting layer 12 is located to buffer tube two 11, and the inboard of work steel pipe 3 is located to buffer tube one 10, and the inside bottom of buffer tube one 10 is located to strong magnet two 9, and in buffer tube one 10 was located in the floating of strong magnet 8, and buffer tube two 11's one end is located to strong magnet 8, and strong magnet 8 is the same with strong magnet two 9 magnetism.

When the ceramic layer heat-insulating layer is used specifically, because the heat resistance of the polyurethane heat-insulating layer 4 is poor, the ceramic layer 6 is arranged in the working steel pipe 3 and used for making up the defect that the heat resistance of the polyurethane heat-insulating layer 4 is poor, the ceramic layer 6 has the defect that the hardness is not high and is easy to crack, and the ceramic layer 6 is protected in a buffering mode by the aid of repulsion of the first strong magnet 8 and the second strong magnet 9 through the arrangement of the suspension layer 7.

This scheme still discloses a production facility of polyurethane insulation pipe of built-in pottery heat insulating ring, including production facility main part 2, mould subassembly 13 and effective plasticity humidification mechanism 15, its characterized in that: still include the spacing moulding mechanism 14 of antigravity formula of beating, mould subassembly 13 is located on production facility main part 2, and on mould subassembly 13 was located to the spacing moulding mechanism 14 of antigravity formula of beating, effective plasticity humidification mechanism 15 was located on the spacing moulding mechanism 14 of antigravity formula of beating.

The anti-gravity hammering type limiting shaping mechanism 14 comprises a reverse rotation power component 19, an intermittent clay center digging component 20 and an extrusion limiting type forming component 21, the reverse rotation power component 19 is arranged in the shaping barrel 17, the intermittent clay center digging component 20 is arranged in the reverse rotation power component 19, and the extrusion limiting type forming component 21 is arranged in the intermittent clay center digging component 20.

Reverse rotation power component 19 includes shaping bucket 24, mounting 25, loop forming element 26, annular chute 27, slider 28, gear 29, tooth piece 30 and motor 31, the inside upper end of shaping bucket 17 is located to mounting 25, the one end of mounting 25 is located to loop forming element 26, annular chute 27 is located in loop forming element 26, slider 28 slides and locates in the annular chute 27, the other end of slider 28 is located to the outer wall lower extreme of shaping bucket 24, motor 31 is located on mounting 25, the output of motor 31 is located to gear 29, tooth piece 30 annular array locates on the outer wall of shaping bucket 24.

Intermittent type formula clay center is drawn nest subassembly 20 and is included vertical type spout 32, two sliders 33, cross slider 34, connecting rod 35, hit hammer 36, three 37 and the circular telegram magnet 38 of strong magnet, vertical type spout 32 is located in the wall of shaping bucket 24, two 33 slides and locate in the vertical type spout 32 of slider, the one end of two 33 of sliders is located to the one end of cross slider 34, three 37 of strong magnet locate the lower extreme of cross slider 34, circular telegram magnet 38 locates the inside lower extreme of shaping bucket 24, the lower extreme of three 37 of strong magnet is located to the one end of connecting rod 35, hit hammer 36 and locate the lower extreme of connecting rod 35, circular telegram magnet 38 slip cover is located on connecting rod 35. The energized magnet 38 and the ferromagnetic magnet three 37 are magnetically identical.

The die assembly 13 comprises a fixed disc 16, a shaping barrel 17 and an equipment frame 18, the equipment frame 18 is arranged on the production equipment main body 2, the fixed disc 16 is arranged on the equipment frame 18, and the shaping barrel 17 is detachably arranged on the fixed disc 16.

The extrusion limiting type forming assembly 21 comprises a center column 39, a first hinge 40, a second hinge 41, an air cylinder 42, a molding plate 43 and a third hinge 44, wherein the center column 39 is arranged at the lower end of the interior of the striking hammer 36, the first hinge 40 is arranged on the side wall of the center column 39, the air cylinder 42 is arranged on the first hinge 40, the third hinge 44 is arranged on the outer wall of the striking hammer 36, one end of the molding plate 43 is arranged on the third hinge 44, the second hinge 41 is arranged on the molding plate 43, and the output end of the air cylinder 42 is arranged on the second hinge 41.

The effective plasticity humidification mechanism 15 comprises a water pump 22 and a sprinkler head 23, wherein the water pump 22 is arranged at the upper end of the interior of the striking hammer 36, the sprinkler head 23 is arranged at the output end of the water pump 22, and the water pump 22 is externally connected with a water source.

Example one

When the ceramic layer 6 is manufactured, firstly, clay is placed on the fixed disc 16, the sizing barrel 17 is fixed on the fixed disc 16, the clay is wrapped, the electrified magnet 38 is electrified, the electrified magnet 38 and the intermittent clay center hole digging component 20 repel each other in the same stage, the intermittent clay center hole digging component 20 moves upwards to drive the cross sliding piece 34 to move, the cross sliding piece 34 moves to drive the connecting rod 35 to move, the connecting rod 35 moves to drive the striking hammer 36 to move, when the intermittent clay center hole digging component 20 moves to the upper end inside the forming barrel 24, power is cut off for the electrified magnet 38, the striking hammer 36 moves downwards to throw out the middle of the clay from the space, the electrified magnet 38 is electrified intermittently until the middle of the clay is thrown through, the movement of the output end of the motor 31 drives the gear 29 to rotate, the rotation of the gear 29 drives the tooth block 30 to rotate, the rotation of the tooth block 30 drives the forming barrel 24 to rotate, the rotation of the forming barrel 24 drives the connecting rod 35 to rotate, the rotation of the connecting rod 35 drives the striking hammer 36 to rotate, the movement of the output end of the air cylinder 42 drives the hinge II 41 to move, the movement of the hinge II 41 drives the plastic plate 43 to move, one end of the plastic plate 43 shapes the clay, the electrifying strength of the electrifying magnet 38 is sequentially manufactured from bottom to top, the water pump 22 is started to supplement moisture to the clay through the sprinkler head 23, plasticity is increased, and the ceramic layer 6 is dried after being formed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The present invention and its embodiments have been described above, and the description is not intended to be limiting, and the drawings are only one embodiment of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A polyurethane heat-insulating pipeline with a built-in ceramic heat-insulating ring comprises a heat-insulating pipeline main body (1), a working steel pipe (3), a polyurethane heat-insulating layer (4) and a polyethylene plastic outer protective pipe (5), and is characterized in that the heat-insulating pipeline main body is provided with a heat-insulating pipe and a heat-insulating pipe; still include ceramic layer (6) and suspension layer (7), the outside of thermal-insulated pipeline main part (1) is located in polyethylene plastics outer casing (5), the inboard of polyethylene plastics outer casing (5) is located in polyurethane heat preservation (4), the inboard of polyurethane heat preservation (4) is located in work steel pipe (3), the inboard of work steel pipe (3) is located in suspension layer (7), the inboard of suspension layer (7) is located in ceramic layer (6).

2. The polyurethane thermal insulation pipeline with the built-in ceramic thermal insulation ring as claimed in claim 1, wherein: suspension layer (7) include strong magnet (8), two (9) of strong magnet, buffer tube (10), buffer tube two (11) and supporting layer (12), the outside of ceramic layer (6) is located in supporting layer (12), the outside of supporting layer (12) is located in buffer tube two (11), the inboard of work steel pipe (3) is located in buffer tube (10), the inside bottom of buffer tube (10) is located in two (9) of strong magnet, float and locate in buffer tube (10) in one (8) of strong magnet, the one end of two buffer tube (11) is located in one (8) of strong magnet, two (9) magnetism the same of strong magnet (8) and strong magnet.

3. The production equipment of the polyurethane thermal insulation pipeline with the built-in ceramic thermal insulation ring comprises a production equipment main body (2), a mould assembly (13) and an effective plasticity humidifying mechanism (15), and is characterized in that: still beat spacing moulding mechanism of formula (14) including antigravity, mould subassembly (13) are located on production facility main part (2), mould subassembly (13) are located to the spacing moulding mechanism of formula (14) of antigravity beating, effective plasticity humidification mechanism (15) are located on the spacing moulding mechanism of formula (14) of antigravity beating.

4. The production equipment of the polyurethane heat-insulation pipeline with the built-in ceramic heat-insulation ring as claimed in claim 3, wherein: mould subassembly (13) are including fixed disk (16), design bucket (17) and equipment rack (18), production facility main part (2) is located in equipment rack (18), on equipment rack (18) is located in fixed disk (16), design bucket (17) can be dismantled and locate on fixed disk (16).

5. The production equipment of the polyurethane heat-insulation pipeline with the built-in ceramic heat-insulation ring as claimed in claim 4, wherein: spacing moulding mechanism of anti-gravity formula of beating (14) are drawn nest subassembly (20) and are extruded spacing formula shaping subassembly (21) including reverse rotation power subassembly (19), intermittent type formula clay center, reverse rotation power subassembly (19) are located in design bucket (17), intermittent type formula clay center is drawn nest subassembly (20) and is located in reverse rotation power subassembly (19), extrude spacing formula shaping subassembly (21) and locate intermittent type formula clay center and draw in nest subassembly (20).

6. The production equipment of the polyurethane heat-insulation pipeline with the built-in ceramic heat-insulation ring as claimed in claim 5, wherein: the reverse rotation power assembly (19) comprises a forming barrel (24), a fixing piece (25), a ring-shaped piece (26), an annular sliding groove (27), a first sliding block (28), a gear (29), a tooth block (30) and a motor (31), wherein the fixing piece (25) is arranged at the upper end of the inside of the forming barrel (17), the ring-shaped piece (26) is arranged at one end of the fixing piece (25), the annular sliding groove (27) is arranged in the ring-shaped piece (26), the first sliding block (28) is arranged in the annular sliding groove (27) in a sliding mode, the lower end of the outer wall of the forming barrel (24) is arranged at the other end of the first sliding block (28), the motor (31) is arranged on the fixing piece (25), the gear (29) is arranged at the output end of the motor (31), and the tooth block (30) is arranged on the outer wall of the forming barrel (24) in an annular array mode.

7. The production equipment of the polyurethane heat-insulation pipeline with the built-in ceramic heat-insulation ring as claimed in claim 6, wherein: intermittent type formula clay center is drawn nest subassembly (20) and is included indulging type spout (32), two (33) of slider, cross slider (34), connecting rod (35), hits hammer (36), three (37) of strong magnet and circular telegram magnet (38), indulge in type spout (32) locate the wall of shaping bucket (24), two (33) of slider slide are located in indulging type spout (32), the one end of two (33) of slider is located to the one end of cross slider (34), the lower extreme of cross slider (34) is located in three (37) of strong magnet, the inside lower extreme of shaping bucket (24) is located in circular telegram magnet (38), the lower extreme of three (37) of strong magnet is located to the one end of connecting rod (35), hit the lower extreme of locating connecting rod (35) of beating hammer (36), circular telegram magnet (38) slip cup joint is located on connecting rod (35).

8. The production equipment of the polyurethane heat-insulating pipeline with the built-in ceramic heat-insulating ring, according to claim 7, is characterized in that: the electrified magnet (38) and the strong magnet III (37) have the same magnetism.

9. The production equipment of the polyurethane heat-insulating pipeline with the built-in ceramic heat-insulating ring, according to claim 8, is characterized in that: the extrusion limiting type forming assembly (21) comprises a central column (39), a first hinge (40), a second hinge (41), an air cylinder (42), a molding plate (43) and a third hinge (44), wherein the central column (39) is arranged at the lower end inside the striking hammer (36), the first hinge (40) is arranged on the side wall of the central column (39), the air cylinder (42) is arranged on the first hinge (40), the third hinge (44) is arranged on the outer wall of the striking hammer (36), one end of the molding plate (43) is arranged on the third hinge (44), the second hinge (41) is arranged on the molding plate (43), and the output end of the air cylinder (42) is arranged on the second hinge (41).

10. The production equipment of the polyurethane heat-insulating pipeline with the built-in ceramic heat-insulating ring, according to claim 9, is characterized in that: effective plasticity humidification mechanism (15) include water pump (22) and sprinkler head (23), the inside upper end of beating hammer (36) is located in water pump (22), the output of water pump (22) is located in sprinkler head (23), water pump (22) external water source.