CN110864194A

CN110864194A - Pipeline heat preservation device for heating

Info

Publication number: CN110864194A
Application number: CN201911261537.2A
Authority: CN
Inventors: 曲娜; 尤文
Original assignee: Changchun University of Technology
Current assignee: Changchun University of Technology
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-03-06
Anticipated expiration: 2039-12-10
Also published as: CN110864194B

Abstract

The invention discloses a pipeline heat preservation device for heating, wherein a filling material is arranged below a top cover, a right side cover wall is fixed on the right side of the top cover, a left side cover arm is fixed on the left side of the top cover, a heat preservation pipe is connected below a pipe cover, fixing slopes are arranged at the left end and the right end of the heat preservation pipe, a bottom cover is fixed below the fixing slopes, a bottom groove is embedded in the inner surface of the bottom cover, a pipe pad is arranged at the bottom end of the heat preservation pipe, a fixing hole is formed below the pipe pad, a flame-retardant heat preservation heat insulation layer is arranged inside the heat preservation pipe, a vacuum layer is arranged inside the flame-retardant heat preservation heat insulation layer, and a heat conduction layer is arranged inside the vacuum layer. Be provided with heat-conducting layer and vacuum layer and fire-retardant insulation layer, the heat-conducting layer can partly absorb the heat in the heat supply pipe, is giving fire-retardant insulation layer with it, and fire-retardant insulation layer passes around the heat of its gathering again to the surface freezes when avoiding the temperature low, and the vacuum layer can slow down thermal transfer, the retention heat of maximum efficiency.

Description

Pipeline heat preservation device for heating

Technical Field

The invention relates to the technical field of pipeline heat preservation devices, in particular to a pipeline heat preservation device for heating.

Background

The existing heating pipeline has poor heat insulation effect, and the heating pipeline needs to be provided with a heat insulation device for the heating pipeline in order to avoid heat loss inside the heating pipeline caused by too low outside temperature or heat exchange loss with air when the temperature is lower. The existing pipeline heat-insulating device for heating generally adopts on-site manual splicing of the shell outside the pipeline for heating, has low heat-insulating efficiency and limited service life, and has weak deformation buffering and absorbing capacity on the pipeline for heating; when the line direction of the heating pipeline changes, the pipeline cannot be reused; icing easily occurs, the heat preservation effect is poor, and the heat loss is serious, thereby causing the problems that the liquid temperature generated in the conveying process is reduced, the material is heavier, and the fixing is inconvenient.

In the pipeline heat preservation device use in the market, appear freezing easily when low temperature winter, it is poor to keep warm the effect, does not have fine seal, and the heat waste is serious to cause to produce the liquid temperature reduction in the transportation, the material is heavier, inconvenient fixed problem, for this reason, we provide a pipeline heat preservation device that the practicality is higher.

Disclosure of Invention

The invention aims to provide a heat preservation device for a heating pipeline, which solves the problems that icing is easy to occur at low temperature in winter, the heat preservation effect is poor, the airtightness is not good, the heat loss is serious, the liquid temperature is reduced in the conveying process, the material is heavy, and the fixing is inconvenient.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a pipeline heat preservation device for heating, includes top cap and insulating tube, the below of top cap is provided with filler, and the right side of top cap is fixed with right side apron, the left side of top cap is fixed with left side apron, filler's below is provided with the tube cap, the insulating tube is connected in the below of tube cap, and both ends all are provided with fixed slope about the insulating tube, the below on fixed slope is fixed with the bottom, and the internal surface of bottom inlays and has the kerve, the left end of bottom and the surface of right-hand member are provided with the screw, and the right-hand member of screw is connected with the screw, the tube mattress is installed to the bottom of insulating tube, and the below of tube mattress is provided with the fixed orifices, the inside of insulating tube is provided with fire-retardant heat preservation insulating layer, and the inside of fire-retardant heat preservation insulating layer is provided with the vacuum layer, the inside heat.

Preferably, the filling material 2 is a nano aerogel heat insulation felt layer, and the thickness of the nano aerogel heat insulation felt layer is 3-5 mm.

Preferably, the top cover forms a semi-enclosed structure through the space between the right side cover wall and the left side cover arm, and the structure size of the right side cover wall is matched with that of the left side cover arm.

Preferably, a clamping structure is formed between the heat preservation pipe and the pipe cover, and the heat preservation pipe and the pipe cover are tightly attached.

Preferably, a fixed structure is arranged between the fixed slope and the bottom cover, and the fixed slope is symmetrical with respect to the center line of the bottom cover.

Preferably, the fixing hole penetrates through the inner part of the bottom groove, and the pipe gasket is in adhesive connection with the bottom groove.

Preferably, the heat conduction layer is tightly attached to the vacuum layer, and the heat conduction layer penetrates through the inner part of the flame-retardant heat-insulation layer.

Preferably, the flame-retardant heat-insulating layer 16 comprises the following raw materials in parts by weight: 30-40 parts of environment-friendly glue, 10-20 parts of acidified clay, 120 parts of compound resin, 4-6 parts of ethyl acetate, 10-14 parts of propylene glycol methyl ether, 4-6 parts of absolute ethyl alcohol, 8-10 parts of an inorganic waterproof agent, 12-18 parts of expanded and vitrified micro bubbles, 3-6 parts of cellulose ether, 12-16 parts of a flame retardant material, 13-19 parts of urea-formaldehyde foam plastic powder and 5-9 parts of a processing aid.

Preferably, the flame-retardant material in the flame-retardant heat-insulation layer 16 is an inorganic environment-friendly flame-retardant material and is prepared by mixing magnesium oxide and aluminum oxide according to a mass ratio of 2: 1.

Compared with the prior art, the invention has the beneficial effects that:

this pipeline heat preservation device for heating is provided with the top cap and passes through right side apron and left side apron, plays the effect that reduces the air flow when can let its fixed insulating tube with filling material, and filling material has the heat preservation effect, increases its heat preservation effect to adopt filled structure to make its whole weight lighter.

This pipeline heat preservation device for heating is provided with insulating tube and pipe cap, can let it when the installation, need not dismantle original circuit and avoid repeated dismouting, reduce installer's the amount of labour, and this structure has fine seal, be provided with fixed slope and bottom, can fix the insulating tube, and fixed slope all uses thermal insulation material with the bottom, guarantee that its inside heat can not dissipate, be provided with tube pad and kerve, can be earlier through the fixed position of tube pad with the insulating tube bottom, and the tube pad structure is sponge class material, reduce its weight as far as possible, make it convenient fixed.

This pipeline heat preservation device for heating is provided with heat-conducting layer and vacuum layer and fire-retardant heat preservation insulating layer, and the heat-conducting layer can partly absorb the heat in the heat-supplying pipe, is giving fire-retardant heat preservation insulating layer with it transmission, and fire-retardant heat preservation insulating layer passes around the heat of its gathering again to the surface freezes when avoiding the temperature low, and the vacuum layer can slow down thermal transfer, the retention heat of maximum efficiency.

Drawings

FIG. 1 is a schematic view of a top cover structure according to the present invention;

FIG. 2 is a schematic view of a bottom cover structure according to the present invention;

FIG. 3 is a schematic view of the structure of the thermal insulation pipe of the present invention.

In the figure: 1. a top cover; 2. a filler material; 3. a right side cover wall; 4. a left side cover arm; 5. a heat preservation pipe; 6. a tube cover; 7. fixing a slope; 8. a bottom cover; 9. a bottom groove; 10. a screw; 11. a screw hole; 12. a tube pad; 13. a fixing hole; 14. a heat conductive layer; 15. a vacuum layer; 16. a flame-retardant heat-insulating layer.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a pipeline heat preservation device for heating comprises a top cover 1 and a heat preservation pipe 5, wherein a filling material 2 is arranged below the top cover 1, a right side cover wall 3 is fixed on the right side of the top cover 1, a left side cover arm 4 is fixed on the left side of the top cover 1, the top cover 1 forms a semi-enclosed structure through the right side cover wall 3 and the left side cover arm 4, the structure size of the right side cover wall 3 is matched with that of the left side cover arm 4, the top cover 1 can play a role of reducing air flow while fixing the heat preservation pipe 5 with the filling material 2 through the right side cover wall 3 and the left side cover arm 4, the filling material 2 has a heat preservation effect, the heat preservation effect is improved, and the whole weight is lighter due to the adoption of a filling structure; the pipe cover 6 is arranged below the filling material 2, the heat preservation pipe 5 is connected below the pipe cover 6, a clamping structure is formed between the heat preservation pipe 5 and the pipe cover 6, the heat preservation pipe 5 and the pipe cover 6 are tightly attached, the heat preservation pipe 5 and the pipe cover 6 are arranged, the heat preservation pipe 5 and the pipe cover 6 can be mounted without disassembling an original circuit, repeated disassembly and assembly are avoided, the labor amount of an installer is reduced, and the structure has good sealing performance;

the filling material 2 is a nano aerogel heat insulation felt layer, and the thickness of the nano aerogel heat insulation felt layer is 3-5 mm.

The left end and the right end of the heat preservation pipe 5 are respectively provided with a fixed slope 7, a bottom cover 8 is fixed below the fixed slope 7, a bottom groove 9 is embedded in the inner surface of the bottom cover 8, a fixed structure is arranged between the fixed slope 7 and the bottom cover 8, the fixed slope 7 is symmetrical with respect to the central line of the bottom cover 8, the fixed slope 7 and the bottom cover 8 are arranged, the heat preservation pipe 5 can be fixed, and the fixed slope 7 and the bottom cover 8 both use heat insulation materials, so that the heat in the heat preservation pipe is not dissipated; the outer surfaces of the left end and the right end of the bottom cover 8 are provided with screw holes 11, the right end of each screw hole 11 is connected with a screw 10, the bottom end of the heat preservation pipe 5 is provided with a pipe pad 12, a fixing hole 13 is formed below the pipe pad 12, the fixing hole 13 penetrates through the bottom groove 9, the pipe pad 12 is in adhesive connection with the bottom groove 9, the pipe pad 12 and the bottom groove 9 are arranged, the position of the bottom of the heat preservation pipe 5 can be fixed through the pipe pad 12, and the pipe pad 12 is made of sponge materials, so that the weight of the pipe pad is reduced as much as possible, and the pipe pad is convenient to fix;

the inside of insulating tube 5 is provided with fire-retardant insulation layer 16, and the inside of fire-retardant insulation layer 16 is provided with vacuum layer 15, the inside heat-conducting layer 14 that is provided with of vacuum layer 15, closely laminate between heat-conducting layer 14 and the vacuum layer 15, and heat-conducting layer 14 link up in the inside of fire-retardant insulation layer 16, be provided with heat-conducting layer 14 and vacuum layer 15 and fire-retardant insulation layer 16, heat-conducting layer 14 can absorb partly with the heat in the heat-conducting tube, give fire-retardant insulation layer 16 with it transmission, fire-retardant insulation layer 16 passes the heat of its gathering again around giving, in order to avoid freezing on the surface when the temperature is low, and vacuum layer 15 can slow down thermal transference, the retention heat of maximum efficiency.

Preferably, the flame-retardant material in the flame-retardant heat-insulation layer 16 is an inorganic environment-friendly flame-retardant material and is prepared by mixing magnesium oxide and aluminum oxide according to the mass ratio of 2: 1.

The working principle is as follows: for the pipeline heat preservation device, firstly, the bottom cover 8 is installed and fixed through the fixing hole 13, then the heat preservation pipe 5 is clamped to the outer side of the heat supply pipe, then the pipe cover 6 is clamped to the joint of the heat preservation pipe 5, then the heat preservation pipe 5 is placed on the lower groove 9, the center of the pipe pad 12 is in contact with the fixing slope 7, the refilling material 2 is filled above the heat preservation pipe 5, then the top cover 1 is covered, after the screw holes 11 are formed in the outer surfaces of the right side cover wall 3 and the left side cover arm 4 and aligned with the screw holes 11 in the bottom cover 8, the screws 10 are installed, then the heat conducting layer 14 transmits the dissipated heat to the flame-retardant heat preservation layer 16 through the vacuum layer 15 to play a heat preservation role, and therefore the use process of the whole pipeline heat preservation device is completed, and the flame-retardant heat preservation layer.

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.

Claims

1. The utility model provides a heating is with pipeline heat preservation device, includes top cap (1) and insulating tube (5), its characterized in that: the heat insulation pipe is characterized in that a filling material (2) is arranged below the top cover (1), a right side cover wall (3) is fixed on the right side of the top cover (1), a left side cover arm (4) is fixed on the left side of the top cover (1), a pipe cover (6) is arranged below the filling material (2), the heat insulation pipe (5) is connected below the pipe cover (6), fixing slopes (7) are arranged at the left end and the right end of the heat insulation pipe (5), a bottom cover (8) is fixed below the fixing slopes (7), a bottom groove (9) is embedded in the inner surface of the bottom cover (8), screw holes (11) are formed in the outer surfaces of the left end and the right end of the bottom cover (8), the right end of the screw holes (11) is connected with screws (10), a pipe pad (12) is installed at the bottom end of the heat insulation pipe (5), a fixing hole (13) is formed below the pipe pad (12), a flame-retardant heat insulation layer (16) is arranged inside the heat insulation, and a vacuum layer (15) is arranged in the flame-retardant heat-insulation layer (16), and a heat-conducting layer (14) is arranged in the vacuum layer (15).

2. The pipe insulation apparatus for heating of claim 1, wherein: the filling material (2) is a nano aerogel heat insulation felt layer, and the thickness of the nano aerogel heat insulation felt layer is 3-5 mm.

3. The pipe insulation apparatus for heating of claim 1, wherein: the top cover (1) forms a semi-enclosed structure between the right side cover wall (3) and the left side cover arm (4), and the structure size of the right side cover wall (3) is identical to that of the left side cover arm (4).

4. The pipe insulation apparatus for heating of claim 1, wherein: constitute the block structure between insulating tube (5) and tube cap (6), and closely laminate between insulating tube (5) and tube cap (6).

5. The pipe insulation apparatus for heating of claim 1, wherein: a fixed structure is arranged between the fixed slope (7) and the bottom cover (8), and the fixed slope (7) is symmetrical about the central line of the bottom cover (8).

6. The pipe insulation apparatus for heating of claim 1, wherein: the fixing hole (13) penetrates through the bottom groove (9), and the pipe gasket (12) is in adhesive connection with the bottom groove (9).

7. The pipe insulation apparatus for heating of claim 1, wherein: the heat conduction layer (14) is tightly attached to the vacuum layer (15), and the heat conduction layer (14) penetrates through the inner part of the flame-retardant heat-insulation layer (16).

8. The flame-retardant heat-insulating layer of the pipe heat-insulating device for heating of claim 1, characterized in that: the flame-retardant heat-insulation layer (16) comprises the following raw materials in parts by weight: 30-40 parts of environment-friendly glue, 10-20 parts of acidified clay, 120 parts of compound resin, 4-6 parts of ethyl acetate, 10-14 parts of propylene glycol methyl ether, 4-6 parts of absolute ethyl alcohol, 8-10 parts of an inorganic waterproof agent, 12-18 parts of expanded and vitrified micro bubbles, 3-6 parts of cellulose ether, 12-16 parts of a flame retardant material, 13-19 parts of urea-formaldehyde foam plastic powder and 5-9 parts of a processing aid.

9. The flame-retardant heat-insulating layer of the pipe heat-insulating device for heating of claim 1, characterized in that: the flame-retardant material in the flame-retardant heat-insulation layer (16) is an inorganic environment-friendly flame-retardant material and is prepared by mixing magnesium oxide and aluminum oxide according to the mass ratio of 2: 1.