CN219345689U

CN219345689U - Valve insulation sleeve

Info

Publication number: CN219345689U
Application number: CN202320533466.2U
Authority: CN
Inventors: 梁正西; 丁建文; 金礼芹
Original assignee: Wuxi Haiding Microelectronics Co ltd
Current assignee: Wuxi Haiding Microelectronics Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-07-14
Anticipated expiration: 2033-03-17

Abstract

The utility model discloses a valve heat preservation sleeve, which comprises a valve, a heating layer, a heat preservation mechanism and a sealing mechanism, wherein electric heating wires are paved on the heating layer and uniformly distributed on the heating layer for uniformly heating the valve; the heat preservation mechanism comprises a first heat preservation layer and a second heat preservation layer, a heating layer is arranged between the first heat preservation layer and the second heat preservation layer, and sealing mechanisms are arranged on the first heat preservation layer and the second heat preservation layer.

Description

Valve insulation sleeve

Technical Field

The utility model relates to the technical field of heat preservation sleeve application, in particular to a valve heat preservation sleeve.

Background

A large number of valves are installed on a plurality of pipelines in industries such as petrochemical industry, electric power and metallurgy, and valve pipe heat preservation is needed to be carried out outside a plurality of valves, so a heat preservation sleeve sleeved on the valves is provided, the valves are subjected to heat preservation and heating through the heating effect of an electric heating wire, however, the existing valve heat preservation sleeve has certain defects in the actual heat preservation process, the heat preservation sleeve is not tightly attached to the joint of the valve pipe, a certain gap can be reserved between the valve pipe and the heat preservation sleeve, so that the heat preservation sleeve has poor tightness, dust can enter the heat preservation sleeve on one hand, and the inside of the heat preservation sleeve is communicated with the outside on the other hand, so that the heat preservation effect is influenced.

Disclosure of Invention

The utility model mainly aims to provide a valve insulation sleeve which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

a valve insulation sleeve, which comprises a valve; the heating layer is paved with electric heating wires and is used for heating the valve; the heat preservation mechanism comprises a first heat preservation layer and a second heat preservation layer, a heating layer is arranged between the first heat preservation layer and the second heat preservation layer, and sealing mechanisms are arranged on the first heat preservation layer and the second heat preservation layer and used for improving the sealing performance of the heat preservation mechanism.

Preferably, the valve comprises a valve body, and a straight pipe and a bent pipe are connected to the valve body.

Preferably, the first heat-insulating layer and the second heat-insulating layer are provided with pipeline interfaces, and the pipeline interfaces are used for sleeving and fixing the straight pipe and the bent pipe.

Preferably, the heat preservation mechanism further comprises a straight pipe heat preservation sleeve and a bent pipe heat preservation sleeve, the straight pipe heat preservation sleeve is fixedly sleeved on the outer wall of the straight pipe, and the bent pipe heat preservation sleeve wraps the bent pipe.

Preferably, the valve is wrapped by the first heat-preserving layer, and the second heat-preserving layer is connected with the first heat-preserving layer in a hot pressing mode.

Preferably, the sealing mechanism comprises a first sealing ring, and the first sealing ring is fixedly arranged at the edge of the pipeline interface on the first heat insulation layer.

Preferably, the sealing mechanism further comprises a wire harness rope and a wire hole, the wire hole is formed in the edge of the pipeline interface of the second heat insulation layer, and the wire harness rope is led into the wire hole.

Preferably, a second sealing ring is arranged on the wire hole.

Preferably, the first heat-insulating layer is provided with a power line hole and a temperature control line hole, the power line hole is used for being connected with a power line and used for electrifying the electric heating wire, and the temperature control line hole is used for being connected with a temperature control line.

Preferably, the first heat-insulating layer and the second heat-insulating layer are made of Teflon fabric, and glass wool is filled in the first heat-insulating layer and the second heat-insulating layer.

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

according to the valve heat preservation sleeve, the sealing mechanisms are arranged on the first heat preservation layer and the second heat preservation layer, so that the sealing performance of the valve heat preservation sleeve is improved, external air can be effectively prevented from entering the heat preservation sleeve, heat dissipation of the heat preservation sleeve is slowed down, and the heat preservation effect of the heat preservation sleeve is improved.

Drawings

FIG. 1 is a cross-sectional view of the overall structure of a valve insulation sleeve according to the present utility model;

FIG. 2 is a schematic view of a valve body of the present utility model;

FIG. 3 is a view of the heating layer of a valve insulation sleeve according to the present utility model;

FIG. 4 is a view of a second insulation layer of a valve insulation sleeve according to the present utility model;

FIG. 5 is a view of a first thermal layer of a valve thermal sleeve according to the present utility model;

fig. 6 is a specific view of a structure a of a valve insulation sleeve according to the present utility model.

In the figure: 1. a valve; 2. a heating layer; 3. an electric heating wire; 4. a first heat-retaining layer; 5. a second heat-insulating layer; 6. a valve body; 7. a straight pipe; 8. bending the pipe; 9. a pipeline interface; 10. a straight pipe heat preservation sleeve; 11. a heat insulation sleeve for the bent pipe; 12. a first seal ring; 13. a harness cord; 14. a wire hole; 15. a second seal ring; 16. a power line hole; 17. and a temperature control wire hole.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-3, the valve insulation sleeve comprises a valve 1, a heating layer 2, an insulation mechanism and a sealing mechanism, wherein electric heating wires 3 are paved on the heating layer 2, and the electric heating wires 3 are uniformly distributed on the heating layer 2 and used for uniformly heating the valve 1; the heat preservation mechanism comprises a first heat preservation layer 4 and a second heat preservation layer 5, a heating layer 2 is arranged between the first heat preservation layer 4 and the second heat preservation layer 5, and sealing mechanisms are arranged on the first heat preservation layer 4 and the second heat preservation layer 5 and used for improving the sealing performance of the heat preservation mechanism.

Further, the valve 1 comprises a valve body 6, and a straight pipe 7 and a bent pipe 8 are connected to the valve body 6.

According to the arrangement shown in fig. 4-5, the first heat-insulating layer 4 and the second heat-insulating layer 5 are provided with the pipeline interfaces 9, the pipeline interfaces 9 are used for being sleeved and fixed with the straight pipe 7 and the bent pipe 8, through the arrangement, the tight fit between the heat-insulating sleeve of the valve 1 and the valve body 6 is realized, air is prevented from entering the heat-insulating sleeve, heat loss between the valve body 6 and the heat-insulating mechanism is reduced, and the heat-insulating efficiency of the heat-insulating sleeve is improved.

Further, the heat preservation mechanism further comprises a straight pipe heat preservation sleeve 10 and a bent pipe heat preservation sleeve 11, the straight pipe heat preservation sleeve 10 is sleeved and fixed on the outer wall of the straight pipe 7, the bent pipe heat preservation sleeve 11 wraps the bent pipe 8, and the heat preservation sleeve is arranged on the straight pipe 7 in a matched mode and the bent pipe heat preservation sleeve 11 in a matched mode with the bent pipe 8, so that the heat preservation sleeve and a pipeline are more firmly installed, and the sealing performance of the heat preservation mechanism is improved.

Specifically, the valve 1 is wrapped by the first heat preservation layer 4, the second heat preservation layer 5 is connected with the first heat preservation layer 4 in a hot pressing mode, heat is transferred from the first heat preservation layer 4 to the valve 1 by the heating wire 3 through the heating electric heating wire 2, heat dissipation is reduced through tight pressing between the first heat preservation layer 4 and the second heat preservation layer 5, and heat preservation performance of the heat preservation mechanism is further improved.

Specifically, sealing mechanism includes first sealing washer 12, and the edge of first heat preservation 4 pipeline interface 9 is located to first sealing washer 12, through setting up the sealing washer in pipeline interface 9 department, has improved heat preservation mechanism's leakproofness, effectively avoids inside heat to scatter and disappear.

Further, sealing mechanism still includes pencil rope 13 and line hole 14, and line hole 14 has been seted up to second heat preservation 5 pipeline interface 9 edge, lets in the line hole 14 has pencil rope 13, through above-mentioned setting, when carrying out the heat preservation cover sealed, closely laminates pipeline interface 9 and pipeline through tying up pencil rope 13, has further promoted heat preservation mechanism leakproofness for the heat preservation effect of heat preservation cover has obtained effectual promotion, and easy dismounting.

In this embodiment, be provided with second sealing washer 15 on the line hole 14, second sealing washer 15 sets up to the iron ring, makes harness rope 13 can be relaxed tight through this setting more, makes things convenient for operating personnel to dismantle the installation to seal structure.

Further, a power line hole 16 and a temperature control line hole 17 are formed in the first heat insulation layer 4, the power line hole 1614 is used for being connected with a power line and used for powering on the electric heating wire 3, the temperature control line hole 17 is used for being connected with a temperature control line, the power line is connected through the power line, the heating effect of the electric heating wire 3 is achieved, and the temperature control line is connected with a temperature controller and used for regulating and controlling internal heating temperature.

Specifically, the materials of the first heat preservation layer 4 and the second heat preservation layer 5 are Teflon fabrics, glass wool is filled in the first heat preservation layer 4 and the second heat preservation layer 5, the Teflon fabrics and the glass wool are high in high temperature resistance, low temperature resistance and high temperature resistance, and no change can occur between 196 ℃ below zero and 350 ℃ above zero, so that the Teflon fabrics can be used for high temperature or low temperature operation, are not adhered to any substances, can be used for manufacturing clean clothes for treating sanitary garbage, are particularly high in chemical corrosion resistance, are not afraid of strong acid and strong alkali solvents, and are very suitable for selecting a surface layer structure outside a heating band; glass wool belongs to one category of glass fibers, is an artificial inorganic fiber, is a material formed by melting glass fibers to form cotton, has chemical components belonging to glass, is an inorganic fiber, has good molding, small volume density, heat conductivity , heat preservation and heat insulation, good sound absorption performance, corrosion resistance and stable chemical performance, and is suitable for being used as an inner wall wrapping structure in a heating sleeve.

It should be noted that, the utility model is a valve 1 insulation sleeve, when in installation, the position of a pipeline interface 9 is determined, the first insulation layer 4 is matched and buckled with the valve 1, after buckling is completed, the second insulation layer 5 is tightly tied with a wire harness rope 13, sealing of the pipeline interface 9 is completed, a straight pipe 7 insulation sleeve and an elbow pipe 8 insulation sleeve are installed through adhesion, a power wire hole 16 is connected with a power wire, a temperature control wire hole 17 is connected with a temperature control wire, whether the circuit and an electric heating wire 3 work normally or not is detected, after detection is completed, equipment installation is completed, and by arranging sealing mechanisms on the first insulation layer 4 and the second insulation layer 5, the sealing performance of the valve 1 insulation sleeve is improved, external air can be effectively prevented from entering the insulation sleeve, heat dissipation of the insulation sleeve is slowed down, and the insulation effect of the insulation sleeve is improved.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A valve insulating sleeve, comprising:

a valve (1);

the heating device comprises a heating layer (2), wherein an electric heating wire (3) is paved on the heating layer (2) and used for heating the valve (1);

the heat preservation mechanism comprises a first heat preservation layer (4) and a second heat preservation layer (5), a heating layer (2) is arranged between the first heat preservation layer (4) and the second heat preservation layer (5), and sealing mechanisms are arranged on the first heat preservation layer (4) and the second heat preservation layer (5) and used for improving the sealing performance of the heat preservation mechanism.

2. A valve insulating sleeve according to claim 1, wherein: the valve (1) comprises a valve body (6), and a straight pipe (7) and a bent pipe (8) are connected to the valve body (6).

3. A valve insulating sleeve according to claim 2, wherein: the first heat preservation layer (4) and the second heat preservation layer (5) are provided with pipeline interfaces (9), and the pipeline interfaces (9) are used for being sleeved and fixed with the straight pipe (7) and the bent pipe (8).

4. A valve insulating sleeve according to claim 3, wherein: the heat preservation mechanism further comprises a straight pipe heat preservation sleeve (10) and a bent pipe heat preservation sleeve (11), the straight pipe heat preservation sleeve (10) is fixedly sleeved on the outer wall of the straight pipe (7), and the bent pipe heat preservation sleeve (11) wraps the bent pipe (8).

5. The valve insulating sleeve according to claim 4, wherein: the valve (1) is wrapped by the first heat preservation layer (4), and the second heat preservation layer (5) is connected with the first heat preservation layer (4) through hot pressing.

6. A valve insulating sleeve according to claim 5, wherein: the sealing mechanism comprises a first sealing ring (12), and the first sealing ring (12) is fixedly arranged at the edge of the pipeline interface (9) on the first heat insulation layer (4).

7. The valve insulating sleeve according to claim 6, wherein: the sealing mechanism further comprises a wire harness rope (13) and a wire hole (14), the wire hole (14) is formed in the edge of the pipeline interface (9) of the second heat insulation layer (5), and the wire harness rope (13) is led into the wire hole (14).

8. A valve (1) insulating sleeve according to claim 7, characterized in that: and a second sealing ring (15) is arranged on the wire hole (14).

9. The valve insulating sleeve according to claim 8, wherein: the first heat preservation layer (4) is provided with a power line hole (16) and a temperature control line hole (17), the power line hole (16) is used for being connected with a power line and used for electrifying the electric heating wire (3), and the temperature control line hole (17) is used for being connected with a temperature control line.

10. A valve insulating sleeve according to claim 9, wherein: the first heat preservation layer (4) and the second heat preservation layer (5) are made of Teflon fabric, and glass wool is filled in the first heat preservation layer (4) and the second heat preservation layer (5).