CN210004010U - kinds of pipeline expansion joint - Google Patents

Abstract

The utility model discloses a kinds of pipeline expansion joints, including metal frame , adiabatic cover, the telescopic body, the insulating layer staple bolt, metal frame two, etc., metal frame cup joints with the dual-purpose telescopic body of metal frame and forms the subassembly, the intussuseption sets up the adiabatic cover B who establishes central through-hole, the adiabatic cover A staple bolt is established to the upper end, adiabatic cover A upper end of trying blue formula to overlap on B, adiabatic cover E is established to the upper end of adiabatic cover A, ring type and outside bow-shaped insulating layer upper end embedding insulating layer support plate in the inner groove, the lower extreme imbeds the inner groove of insulating layer staple bolt, establish adiabatic cover C in the space between insulating layer and the telescopic body, establish annular adiabatic cover D in the insulating layer, the utility model discloses add now that adiabatic cover plays kinds of adiabatic effects, advance step adiabatic and the separation flue gas, flexible telescopic body can insulate heat and can seal again, the pipe can both prevent high temperature flue gas to leak to the external environment when rising or descending and misplacing, thereby play kinds of.

Description

kinds of pipeline expansion joint

Technical Field

The utility model belongs to the technical field of electric power facility technique and specifically relates to pipeline expansion joint.

Background

Because of avoiding the stress that expend with heat and contract with cold and produce between the pipeline of combustion engine power plant, pipeline expansion joint can all be selected in pipeline interface connection, this is kinds of protection device that are used for the power plant, industrial boiler bottom (or upper portion) pipelines such as iron and steel company, however, pipeline H that draws forth from boiler inside can descend or rise (in addition along with radial dislocation), backplate I is fixed at the bottom of the boiler, the inside high temperature flue gas of boiler can be followed pipeline and the backplate contact department of end and leaked out like this, give off a large amount of heats, thereby cause the influence in the aspect of the environment a great deal of.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provide pipeline expansion joints, which comprise a metal frame , an insulating sleeve, an expansion body, an insulating layer hoop, a metal frame II and the like, wherein the metal frame is sleeved with the metal frame dual-purpose expansion body to form a component, an insulating sleeve B with a central through hole is arranged in the inner filling mode, an insulating sleeve A hoop is arranged at the upper end of the insulating sleeve B, a flange-type insulating sleeve A is arranged at the upper end of the insulating sleeve A, an annular and outward arched insulating layer is embedded into an inner groove of an insulating layer supporting plate, the lower end of the annular and outward arched insulating layer is embedded into the inner groove of the insulating layer hoop, an insulating sleeve C is arranged in the space between the insulating layer and the expansion body, and an annular insulating sleeve D is arranged in the insulating layer.

pipeline expansion joint, including metal frame , heat insulation cover A, clamp plate bolt assembly, heat insulation cover A staple bolt, heat insulation cover B, telescopic body, insulating layer, heat insulation cover C, insulating layer staple bolt, metal frame II, slip ring, insulating layer supporting plate, insulating cover D, heat insulation cover E, staple bolt, the metal frame of the upper end and metal frame dual-purpose telescopic body of the lower end cup joint and form assemblies with through holes in the middle;

the outer circumference of the telescopic body is in an arch shape, the lower opening of the telescopic body is in buckling-in type sleeve joint with the upper opening of the metal frame II, the upper opening of the telescopic body is in sleeve joint with the lower opening of the metal frame and is fixed by a plurality of pressing plate bolt assemblies;

the wafer at the upper end of the metal frame is provided with a downwardly extending ring, the lower end of the ring is provided with an inwardly extending wafer, cylindrical spaces with central holes are formed in the metal frame , the cylindrical spaces are filled with heat-insulating sleeves B with central through holes, the upper ends of the through holes of the heat-insulating sleeves B are provided with anchor ears of a heat-insulating sleeve A, and the anchor ears of the heat-insulating sleeve A are provided with through holes;

the upper end of the heat insulation sleeve B is provided with a flange type heat insulation sleeve A, a flange sheet of the heat insulation sleeve A is fixed with a metal frame by a pressure plate bolt assembly, and the upper end of the heat insulation sleeve A is provided with a heat insulation sleeve E with a through hole;

the upper end surface of the second metal frame is provided with an upright heat insulation layer hoop, and the middle of the heat insulation layer hoop is provided with an inner groove;

the lower end face of the metal frame is provided with a vertically downward heat insulation layer supporting plate, and the middle of the heat insulation layer supporting plate is provided with an inner groove;

the upper end of the annular and outward arched heat insulation layer is embedded into the inner groove of the heat insulation layer supporting plate, and the lower end of the heat insulation layer is embedded into the inner groove of the heat insulation layer hoop;

a heat insulation sleeve C is arranged in the space between the heat insulation layer and the telescopic body;

the bottom of the heat insulation sleeve B is provided with a sliding ring in a supporting mode, and the sliding ring is attached to the inner end face of the bottom support of the metal frame ;

a circular heat insulation sleeve D is arranged in the heat insulation layer;

and the middle of the second metal frame is provided with a hoop.

, the anchor ear A and the anchor ear can be adjusted in diameter and can be extended and retracted.

, the metal frame , the heat insulation sleeve A, the anchor ear of the heat insulation sleeve A, the heat insulation sleeve B, the heat insulation sleeve C, the anchor ear of the heat insulation layer, the metal frame II, the sliding ring, the heat insulation sleeve D, the heat insulation sleeve E and the anchor ear are all provided with through holes with the diameter of , and the diameter of the through holes is equal to the outer diameter of the inlet and outlet connecting pipe.

The beneficial effects of the utility model are that the utility model discloses add many thermal insulation cover now and play kinds of adiabatic effects, advance step adiabatic and separation flue gas, flexible body spare can be adiabatic can seal again, can both prevent the high temperature flue gas to leak the external environment when the pipe rises or descends and misplaces to play kinds of guard action.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the outlet connection pipe of fig. 1 as it sinks.

In the figure, a metal frame 1, a heat insulation sleeve A2, a pressure plate bolt component 3, a heat insulation sleeve A hoop 4, a heat insulation sleeve B5, a telescopic body 6, a heat insulation layer 7, a heat insulation sleeve C8, a heat insulation layer hoop 9, a metal frame II 10, a sliding ring 11, a heat insulation layer supporting plate 12, a heat insulation sleeve D13, a heat insulation sleeve E14, a hoop 15, an outlet connecting pipe 16 and an outlet connecting pipe II 17.

Detailed Description

The technical solution of the present invention is described in detail in steps by way of example with reference to the accompanying drawings.

As shown in figure 1, pipeline expansion joints comprise a metal frame , a heat insulation sleeve A2, a pressure plate bolt assembly 3, a heat insulation sleeve A hoop 4, a heat insulation sleeve B5, a telescopic body 6, a heat insulation layer 7, a heat insulation sleeve C8, a heat insulation layer hoop 9, a metal frame II 10, a sliding ring 11, a heat insulation layer supporting plate 12, a heat insulation sleeve D13, a heat insulation sleeve E14 and a hoop 15, wherein the metal frame at the upper end is sleeved with the metal frame II 10 at the lower end through the telescopic body 6 to form assemblies with through holes in the middle, the outer circumference of the telescopic body 6 is in an arch shape, the lower opening of the telescopic body 6 is in buckling and sleeving with the upper opening of the metal frame II 10, the upper opening of the telescopic body 6 is sleeved with the lower opening of the metal frame 1 and is fixed by a plurality of pressure plate bolt assemblies 3, the circular disc at the upper end of the metal frame 1 is provided with a circular ring extending downwards, the circular disc at the lower end of the circular ring is provided with a circular disc extending inwards, the circular disc in the metal frame is provided with cylindrical central hole spaces, the heat insulation sleeve B5 is filled with a central hole B5, the heat insulation sleeve B, the through hole in the metal frame II A3, the heat insulation sleeve E is provided with a through hole, the through hole in the heat insulation sleeve E sleeve A, the heat insulation sleeve E sleeve A2, the heat insulation sleeve E is provided with a through hole, the heat insulation sleeve A, the circular disc.

The lower end face of the metal frame 1 is provided with a vertically downward heat insulation layer supporting plate 12, an inner groove is formed in the middle of the heat insulation layer supporting plate 12, the upper end of an annular and outward arched heat insulation layer 7 is embedded into the inner groove of the heat insulation layer supporting plate 12, the lower end of the heat insulation layer 7 is embedded into the inner groove of a heat insulation layer hoop 9, a heat insulation sleeve C8 is arranged in a space between the heat insulation layer 7 and the telescopic body 6, a sliding ring 11 is supported at the bottom of the heat insulation sleeve B5, the sliding ring 11 is attached to the inner end face of a bottom support of a metal frame 1, an annular heat insulation sleeve D13 is arranged in the heat insulation layer 7, and a hoop 15 is arranged in the middle of a.

In the technical scheme, an insulation sleeve E14 is additionally arranged to play a role of heat insulations, a metal frame is welded on a bottom protection plate, an insulation sleeve A (which is a flexible and heat-insulating material) is arranged in the metal frame , an end is fixed on a metal frame 1, another end is fixed on a pipe H by using a hoop, when the boiler is not operated, the end is at a J position, when the boiler is operated, an outlet connecting pipe II 17 sinks (as shown in figure 2), an insulation sleeve B (ceramic fiber) is filled in the metal frame, a sliding circular ring 11 is additionally arranged to reduce or slow down the weight of smoke from an upper area to a lower area, an insulation sleeve 13 is filled in the lower area, an insulation layer 7 formed by overlapping a plurality of layers of ceramic fibers containing stainless steel wires is arranged, an insulation sleeve C8 is additionally arranged at the outer end of the metal frame, heat insulation sleeve C is further arranged to insulate heat, smoke is blocked, a second metal frame piece 10 is fixed on the pipe by using a hoop 15, a flexible telescopic piece 6 is arranged on the metal frame and the second metal frame piece 10, two ends are fixed by using hoops, and play a role of sealing the high-temperature protection frame piece.

The anchor ear 4 and the anchor ear 15 of the heat insulation sleeve A can adjust the diameter, can stretch out and draw back, can fix the smoke outlet pipe and the smoke inlet pipe, and can stretch out and draw back the metal frame 1 and the second metal frame 10 which are fixed corresponding to the anchor ear 4 and the anchor ear 15 of the heat insulation sleeve A.

The middle parts of the metal frame 1, the heat insulation sleeve A2, the heat insulation sleeve A hoop 4, the heat insulation sleeve B5, the heat insulation sleeve C8, the metal frame II 10, the sliding ring 11, the heat insulation sleeve D13, the heat insulation sleeve E14 and the hoop 15 are all provided with through holes with diameters , and the diameters of the through holes are equal to the outer diameter of the inlet and outlet connecting pipe.

The foregoing shows and describes the general principles and features of the present invention, together with the advantages thereof. The technical personnel of this trade also know, the utility model discloses do not receive the restriction of above-mentioned embodiment case, the description is only illustrated in above-mentioned embodiment case and the description the principle of the utility model, do not keeping away from the utility model discloses under the design category prerequisite, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the within range of the utility model. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. The pipeline expansion joint is characterized by comprising a metal frame (1), a heat-insulating sleeve A (2), a pressing plate bolt assembly (3), a hoop (4) of the heat-insulating sleeve A, a heat-insulating sleeve B (5), a telescopic body (6), a heat-insulating layer (7), a heat-insulating sleeve C (8), a heat-insulating layer hoop (9), a metal frame II (10), a sliding ring (11), a heat-insulating layer supporting plate (12), a heat-insulating sleeve D (13), a heat-insulating sleeve E (14) and a hoop (15), wherein the metal frame (1) at the upper end and the metal frame II (10) at the lower end are sleeved by the telescopic body (6) to form assemblies with through holes in the middle;

   the outer circumference of the telescopic body (6) is in an arch shape, the lower opening of the telescopic body (6) is in buckling-in sleeve joint with the upper opening of the metal frame II (10), the upper opening of the telescopic body (6) is in sleeve joint with the lower opening of the metal frame (1) and is fixed by a plurality of pressing plate bolt assemblies (3);

   the disc at the upper end of the metal frame (1) is provided with a downwardly extending ring, the lower end of the ring is provided with an inwardly extending disc, cylindrical spaces with central holes are formed in the metal frame (1), the cylindrical spaces are filled with heat-insulating sleeves B (5) with central through holes, the upper ends of the through holes of the heat-insulating sleeves B (5) are provided with anchor ears A (4) of the heat-insulating sleeves, and the anchor ears A (4) of the heat-insulating sleeves A are provided with through holes;

   the upper end of the heat insulation sleeve B (5) is provided with a flange type heat insulation sleeve A (2), a flange sheet of the heat insulation sleeve A (2) is fixed with the metal frame (1) by a pressure plate bolt assembly (3), and the upper end of the heat insulation sleeve A (2) is provided with a heat insulation sleeve E (14) with a through hole;

   the upper end face of the second metal frame (10) is provided with an upright heat insulation layer hoop (9), and the middle of the heat insulation layer hoop (9) is provided with an inner groove;

   the lower end face of the metal frame (1) is provided with a heat insulation layer supporting plate (12) which is vertically downward, and an inner groove is formed in the middle of the heat insulation layer supporting plate (12);

   the upper end of a circular ring type outward arched heat insulation layer (7) is embedded into an inner groove of a heat insulation layer supporting plate (12), and the lower end of the heat insulation layer (7) is embedded into an inner groove of a heat insulation layer hoop (9);

   a heat insulation sleeve C (8) is arranged in the space between the heat insulation layer (7) and the telescopic body (6);

   the bottom of the heat insulation sleeve B (5) is provided with a sliding ring (11), and the sliding ring (11) is attached to the inner end face of the bottom support of the metal frame (1);

   a circular heat insulation sleeve D (13) is arranged in the heat insulation layer (7);

   and the middle of the second metal frame (10) is provided with a hoop (15).
2. 2. The pipe expansion joint of claim 1, wherein the insulating sheath A has adjustable diameter and telescopic property with the anchor ear (4) and the anchor ear (15).
3. 3. The pipeline expansion joint of claim 1, wherein the middle of the metal frame (1), the thermal insulation jacket A (2), the anchor ear (4) of the thermal insulation jacket A, the thermal insulation jacket B (5), the thermal insulation jacket C (8), the metal frame II (10), the sliding ring (11), the thermal insulation jacket D (13), the thermal insulation jacket E (14) and the anchor ear (15) are all provided with through holes with a diameter of , and the diameter of the through holes is equal to the outer diameter of the inlet and outlet connecting pipes.

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