CN216479296U - Cold insulation pipe bracket - Google Patents

Abstract

The utility model discloses a cold insulation pipe bracket, which comprises a pipe bracket component, a cold insulation component and a pipe bracket supporting component, wherein the pipe bracket component is connected with the bottom of the pipe bracket supporting component and is supported by the pipe bracket supporting component; the cold insulation component comprises a high-density cold insulation block and a low-density cold insulation block, the high-density cold insulation block is arranged on the inner periphery of the pipe bracket component, and the low-density cold insulation block is coated on the periphery of the pipe bracket component; the pipe bracket component comprises an upper pipe clamp and a lower pipe clamp, the upper pipe clamp comprises an upper arc plate and an upper pipe lug, and the lower pipe clamp comprises a lower arc plate and a lower pipe lug; the upper pipe clamp and the lower pipe clamp are connected by penetrating through the upper pipe lug and the lower pipe lug through bolts and nuts; the high-density cold insulation block comprises an upper high-density cold insulation block and a lower high-density cold insulation block, the upper high-density cold insulation block is arranged on the inner surface of the upper arc plate, the lower high-density cold insulation block is arranged on the inner surface of the lower arc plate, and the thickness of the upper high-density cold insulation block is half of that of the high-density cold insulation block; the low-density cold insulation block is arranged on the periphery of the upper pipe clamp.

Description

Cold insulation pipe bracket

Technical Field

The utility model relates to the technical field of energy conservation of pipe networks, in particular to a cold insulation pipe bracket used on a cold pipeline.

Background

At present, cryogenic energy sources, such as Liquefied Natural Gas (LNG), liquid nitrogen (LN2), liquid oxygen (LO2), liquid carbon dioxide (LCO2), Liquefied Petroleum Gas (LPG) and other cryogenic liquefied substances, are required to be used in various fields of production and life, and the application range of the cryogenic liquefied substances is gradually expanded, particularly LNG, the main component of which is methane. LNG is condensed into liquid by cooling gaseous natural gas to-162 c at atmospheric pressure. The natural gas can greatly save storage and transportation space after liquefaction, the volume of the liquefied natural gas is about 1/600 of the gaseous volume, and the liquefied natural gas has the characteristics of large heat value, high performance and the like. LNG is a clean and efficient energy source, is more and more favored as a clean energy source, is used as a preferred fuel in many countries, and the proportion of natural gas in energy supply is rapidly increased, so that the LNG is one of the most rapidly growing energy source industries in the world. LNG will become the next global hot energy commodity after oil.

The prior art has a cold insulation conduit saddle, this kind of cold insulation conduit saddle is including last clamp and the lower clamp that is half cylinder, the both sides of going up clamp and lower clamp have the journal stirrup respectively, will go up the clamp and fix the structure that forms the cylinder with lower clamp through wearing the bolt of dress on the journal stirrup, clamp external fixation has the support base down, be equipped with the cold insulation piece that the polyurethane material made in the inner chamber that last clamp and lower clamp formed, cold insulation pad parcel is in the outside of pipeline during the use, can effectively reduce the loss of medium cold volume, ensure cold medium safety transport. Such a structure has many problems as follows: because the cold insulation block in the pipe bracket is directly clamped between the upper clamp and the lower clamp and the pipeline, when a medium is conveyed, the pipeline is shrunk, and the clamping force borne by the cold insulation block is insufficient, so that the cold insulation block is displaced and slides along the axial direction of the pipeline, even separates from the upper clamp and the lower clamp, and the cold insulation effect of the pipe bracket is seriously influenced; meanwhile, in order to ensure the safe use of the cold pipeline, the cold insulation pipe carrier preferably ensures the bearing capacity, the cold insulation material with higher density is selected as the cold insulation block, and the same cold insulation material generally has higher density, higher heat conductivity coefficient, poorer cold insulation effect and higher price.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a cold insulation pipe support which has better cold insulation effect, improves the fixing mode of the cold insulation pipe support, avoids the appearance of a bare pipe of a cold pipeline and has low cost.

In order to solve the technical problems, the utility model adopts the technical scheme that: the cold insulation pipe bracket comprises a pipe bracket component, a cold insulation component and a pipe bracket supporting component, wherein the pipe bracket component is connected with the bottom of the pipe bracket supporting component and supports the pipe bracket component by the pipe bracket supporting component; the cold insulation part comprises a high-density cold insulation block and a low-density cold insulation block, the high-density cold insulation block is arranged on the inner periphery of the pipe bracket part, and the low-density cold insulation block is coated on the periphery of the pipe bracket part.

Adopt above-mentioned technical scheme, the conduit saddle part becomes a whole with pipeline welding after the installation, support through the conduit saddle supporting component, the conduit saddle supporting component bears the vertical load of pipeline, cold insulation part links together with the conduit saddle part and can effectively prevent cold insulation conduction, has optimized cold insulation part's structure, has not only strengthened cold insulation effect, has strengthened bearing capacity simultaneously, guarantees the safe handling of pipeline, has improved cold insulation conduit saddle's fixed mode, has avoided the appearance of cold pipeline bare tube, and is with low costs.

As a preferred technical scheme of the utility model, the pipe bracket component comprises an upper pipe clamp and a lower pipe clamp, the upper pipe clamp comprises an upper arc plate and an upper pipe lug, and the lower pipe clamp comprises a lower arc plate and a lower pipe lug; the upper pipe clamp and the lower pipe clamp penetrate through the upper pipe lug and the lower pipe lug through bolts and nuts to be connected; the high-density cold insulation block comprises an upper high-density cold insulation block and a lower high-density cold insulation block, the upper high-density cold insulation block is arranged on the inner surface of the upper arc plate, the lower high-density cold insulation block is arranged on the inner surface of the lower arc plate, and the thickness of the upper high-density cold insulation block is half of that of the lower high-density cold insulation block; the low-density cold insulation block is arranged on the periphery of the upper pipe clamp. The low-density cold insulation block does not need to bear load, and low-density polyurethane is adopted, so that the density is low, the heat conductivity coefficient is low, and the price is low, thereby reducing the cost; the lower high-density cold insulation block is made of high-density polyurethane, so that the density is high, the bearing capacity is high, the safe use of the pipeline is ensured, and the cold insulation effect is enhanced.

As a preferable technical solution of the present invention, the cold insulation pipe bracket further comprises a pipe bracket sliding member, the pipe bracket sliding member is a friction pair composed of a polytetrafluoroethylene plate and a stainless steel mirror plate, and the pipe bracket sliding member is provided at the bottom of the pipe bracket supporting member. The pipe bracket sliding component can effectively reduce the friction coefficient of the pipe bracket bottom plate, reduce the friction resistance when the pipeline generates thermal displacement and reduce the pipeline stress.

As a preferable technical scheme of the utility model, the outer surface of the low-density heat-preserving block is also provided with a moisture-proof layer and a metal protective layer, the metal protective layer is an aluminum thin plate, and a thin steel strip or an iron wire is used for binding and connecting with the pipe bracket component. After the low-density cold insulation block is installed in place, a moisture-proof layer is coated on the surface of the low-density cold insulation block, the moisture-proof layer is made of asphalt mastic and is wrapped on the periphery of the low-density cold insulation block, a metal protective layer is covered outside the moisture-proof layer, the metal protective layer is a 0.5 mm aluminum thin plate, and a 20 x 2 thin steel strip or iron wire is bundled together with the pipe support.

According to the preferred technical scheme, the lower pipe lug is an inward-turning lug, the upper pipe lug is an outward-turning lug, the nut and the bolt sequentially penetrate into the upper pipe lug and the lower pipe lug to be connected with the upper pipe clamp and the lower pipe clamp, the lower pipe clamp is provided with pipe clamp rib plates on two sides of the bolt respectively, the pipe clamp rib plates and the lower pipe clamp are welded into a whole, and the hexagonal head of the bolt is clamped by the two pipe clamp rib plates to prevent the bolt from loosening or rotating; and a belleville spring is arranged between the nut and the bolt. The thickness of the high-density cold insulation block is half of that of the lower high-density cold insulation block, so that the traditional outward-turned lug part of the upper pipe clamp is turned inwards, the four pipe clamp rib plates and the arc plate of the lower pipe clamp are welded into a whole, two pipe clamp rib plates are respectively welded on two sides of the bolt, the distance between the pipe clamp rib plates is just right for clamping the hexagonal head of the bolt, and the bolt is prevented from turning along when the nut is screwed/loosened; the disc spring is arranged to avoid the loosening of the screw thread of the bolt caused by the expansion and contraction of the pipeline.

As a preferable technical solution of the present invention, the cold insulation member further includes a filling layer, and the filling layer is filled at a connection portion where the bolt and the nut pass through the upper pipe lug and the lower pipe lug when the cold insulation member is mounted. In order to facilitate the installation of the upper pipe clamp and the lower pipe clamp as well as the nut and the bolt, the high-density cold insulation block is subjected to slotting treatment on the part for installing the bolt, the installation space of the bolt is reserved, and after the pipe bracket is installed in place on site, the installation space is filled on site by using a filling layer which is made of foamed polyurethane, so that the looseness of the bolt and the nut can be avoided, and the cold insulation effect can be improved.

As a preferred technical scheme of the utility model, the two axial sides of the high-density cold insulation block are also provided with inner stop blocks and are welded with the pipeline to form a whole, the two axial sides of the low-density cold insulation block are provided with lower thrust stop blocks, and the lower thrust stop blocks are welded on the lower pipe clamp. In order to prevent the pipeline from thermal displacement, the pipe bracket cold insulation component and the pipeline are disconnected to form a bare pipe, the two axial sides of the cold insulation component are provided with an inner stop block and a lower thrust stop block, the inner stop block is welded with the pipeline during installation, and the lower thrust stop block is welded on the lower pipe clamp.

As a preferred technical scheme of the utility model, the pipe bracket supporting component comprises a vertical plate, a rib plate and a bottom plate, wherein the vertical plate and the rib plate are both arranged on the bottom plate, and the rib plate wraps the vertical plate.

As a preferred technical scheme of the utility model, the rib plate is provided with temperature-resistant grooves, and the temperature-resistant grooves and the vertical plate are arranged in a staggered manner. The temperature resistance grooves are arranged in a staggered mode with the vertical plates, and the heat conduction area is further reduced.

As a preferable technical scheme of the present invention, the lower high-density cold insulation block includes a lower inner high-density cold insulation block and a lower outer high-density cold insulation block, wherein the half surfaces of the lower inner high-density cold insulation block and the lower outer high-density cold insulation block are step-shaped, and the height of the lower outer high-density cold insulation block is 20 mm; the lengths of the inner layers of the upper high-density cold insulation block and the lower high-density cold insulation block are both 500 mm, and the two ends of the upper high-density cold insulation block and the lower high-density cold insulation block extend out of the outer edges of the upper pipe clamp and the lower pipe clamp by 50 mm; the thickness of the upper high-density cold insulation block is 60 mm, and the thickness of the lower high-density cold insulation block is 120 mm.

Compared with the prior art, the utility model has the following beneficial effects: the pipe bracket component and the pipeline are connected into a whole and supported by the pipe bracket supporting component, the pipe bracket supporting component bears the vertical load of the pipeline, and the heat conduction area can be reduced under the condition that the stress of the pipeline is not influenced, and the pipe bracket cold insulation part formed by the cold insulation component and the pipe bracket component can effectively obstruct heat conduction, so that the cold insulation effect is realized, the structure of a cold insulation layer is optimized, the material is saved, and the cold insulation effect is better; meanwhile, the pipe bracket supporting component of the cold insulation pipe bracket steel structure reduces the heat transfer area.

Drawings

FIG. 1 is a block diagram of a cold-keeping pipe bracket of the present invention;

FIG. 2 is a left side view of the cold insulation pipe bracket of the present invention;

FIG. 3 is an enlarged fragmentary structural view of the disc spring pack at B in FIG. 1;

FIG. 4 is a view showing the structure of the lower tube clamp in the cold insulation pipe holder of the utility model;

FIG. 5 is a cross-sectional view of the lower tube clip of FIG. 4 at A-A;

FIG. 6 is a partially enlarged structural view of a Teflon plate in the cold insulation pipe bracket of the present invention;

wherein: 1-low density cold insulation block; 2, an upper pipe clamp; 201-upper arc plate; 202-upper lug; 3-high density cold insulation block; 4-an inner stop block; 5-lower high-density cold insulation block; 6-lower pipe clamp; 601-lower arc plate; 602-lower tube ears; 7-standing the plate; 8-rib plate; 9-a bottom plate; 10-stainless steel mirror plate; 11-a polytetrafluoroethylene sheet; 1101-tetrafluoro backing plate; 1102-tetrafluoro plate; 12-a metal protective layer; 13-a moisture barrier; 14-a filler layer; 15-hexagonal nut; 16-disc spring; 17-hex bolts; 18-lower stop block; 19-a temperature resistance groove; 20-pipe clamp rib plates; 21-strapping tape.

Detailed Description

Further characteristics and advantages of the utility model will become apparent from the detailed description which follows, in which an embodiment of the utility model is illustrated by way of non-limiting example in the accompanying drawings.

Example 1: as shown in fig. 1 to 6, the cold insulation pipe bracket comprises a pipe bracket component, a cold insulation component and a pipe bracket supporting component, wherein the pipe bracket component is connected with the bottom of the pipe bracket supporting component and supports the pipe bracket component by the pipe bracket supporting component; the cold insulation component comprises a high-density cold insulation block and a low-density cold insulation block 1, the high-density cold insulation block is arranged on the inner periphery of the pipe bracket component, and the low-density cold insulation block 1 is coated on the periphery of the pipe bracket component; the pipe bracket component comprises an upper pipe clamp 2 and a lower pipe clamp 6, wherein the upper pipe clamp 2 comprises an upper arc plate 201 and an upper pipe lug 202, and the lower pipe clamp 6 comprises a lower arc plate 601 and a lower pipe lug 602; the upper pipe clamp 2 and the lower pipe clamp 6 are connected by penetrating through an upper pipe lug 202 and a lower pipe lug 602 through a hexagon bolt 17 and a hexagon nut 15; the high-density cold insulation blocks comprise an upper high-density cold insulation block 3 and a lower high-density cold insulation block 5, the upper high-density cold insulation block 3 is arranged on the inner surface of the upper arc plate 201, the lower high-density cold insulation block 5 is arranged on the inner surface of the lower arc plate 601, and the thickness of the upper high-density cold insulation block 3 is half of that of the high-density cold insulation block 5; the low-density heat-preserving block 1 is arranged at the periphery of the upper pipe clamp 2; the high-density cold insulation block 3 does not need to bear load, and low-density polyurethane is adopted, so that the density is low, the heat conductivity coefficient is low, and the price is low, thereby reducing the cost; the lower high-density cold insulation block 5 is made of high-density polyurethane, has high density and strong bearing capacity, ensures the safe use of the pipeline and simultaneously enhances the cold insulation effect; the cold insulation pipe bracket also comprises a pipe bracket sliding component, wherein the pipe bracket sliding component is a friction pair consisting of a polytetrafluoroethylene plate 11 and a stainless steel mirror plate 10, and the pipe bracket sliding component is arranged at the bottom of the pipe bracket supporting component; the polytetrafluoroethylene plate 11 comprises a polytetrafluoroethylene base plate 1101 and a polytetrafluoroethylene plate 1102, wherein the polytetrafluoroethylene base plate 1101 is fixedly connected with the polytetrafluoroethylene plate 1102 through rivets; the pipe bracket sliding component can effectively reduce the friction coefficient of the pipe bracket bottom plate, reduce the friction resistance when the pipeline generates thermal displacement and reduce the pipeline stress; the outer surface of the low-density cold insulation block 1 is also provided with a moisture-proof layer 13 and a metal protective layer 12, the metal protective layer 12 is an aluminum thin plate, and a thin steel strip or an iron wire is used for binding and connecting with the pipe bracket component; after the low-density cold insulation block 1 is installed in place, a moisture-proof layer 13 is coated on the surface of the low-density cold insulation block 1, the moisture-proof layer 13 is made of asphalt mastic and is coated on the periphery of the low-density cold insulation block 1, a metal protective layer 12 is coated outside the moisture-proof layer 13, the metal protective layer 12 is a 0.5 mm aluminum thin plate, and a binding band 21 of 20 multiplied by 2 thin steel bands or iron wires and the like is bound with the pipe bracket; the lower pipe lug 602 is an inward-turning lug, the upper pipe lug 202 is an outward-turning lug, the hexagon nut 15 and the hexagon bolt 17 sequentially penetrate through the upper pipe lug 202 and the lower pipe lug 602 to connect the upper pipe clamp 2 and the lower pipe clamp 6, the lower pipe clamp 6 is respectively provided with pipe clamp rib plates 20 at two sides of the hexagon bolt 17, the pipe clamp rib plates 20 and the lower pipe clamp 6 are welded into a whole, and the two pipe clamp rib plates 20 clamp the hexagonal head of the hexagon bolt 17 to prevent the hexagon bolt 17 from loosening or rotating; a belleville spring 16 is arranged between the hexagonal nut 15 and the hexagonal bolt 17; the lower high-density cold insulation block 5 comprises a lower inner high-density cold insulation block and a lower outer high-density cold insulation block, wherein the half surfaces of the lower inner high-density cold insulation block and the lower outer high-density cold insulation block are step-shaped, and the half surface of the lower outer high-density cold insulation block is 20mm higher than the half surface; the lengths of the inner layers of the upper high-density cold insulation block and the lower high-density cold insulation block are both 500 mm, and the two ends of the upper high-density cold insulation block and the lower high-density cold insulation block extend out of the outer edges of the upper pipe clamp and the lower pipe clamp by 50 mm; the thickness of the upper high-density cold insulation block 3 is 60 mm, and the thickness of the lower high-density cold insulation block 5 is 120 mm; the thickness of the upper high-density cold insulation block 3 is half of that of the lower high-density cold insulation block 5, so that the traditional outward-turned lug part of the upper pipe clamp is changed into an inward part, the four pipe clamp rib plates 20 and an arc plate of the lower pipe clamp 6 are welded into a whole, the four pipe clamp rib plates 20 are in a group of two and are respectively welded on two sides of the hexagonal bolt 17, the distance between the pipe clamp rib plates 20 is just right for clamping the hexagonal head of the hexagonal bolt 17, and the hexagonal bolt 17 is prevented from rotating along with the rotation when the hexagonal nut 15 is screwed/loosened; the disc spring 16 is arranged to avoid the loosening of the thread of the hexagon bolt caused by the expansion caused by heat and the contraction caused by cold of the pipeline; the cold insulation component also comprises a filling layer 14, wherein the filling layer 14 is filled at the joint of the upper pipe lug 202 and the lower pipe lug 602 through the hexagonal bolt 17 and the hexagonal nut 15 when being installed; in order to facilitate the installation of the upper pipe clamp 2 and the lower pipe clamp 6 with the hexagon nut 15 and the hexagon bolt 17, the high-density cold insulation block 3 is subjected to slotting treatment at the part for installing the hexagon bolt 17, the installation space of the hexagon bolt 17 is vacated, after the pipe bracket is installed in place on site, the installation space is filled on site by using the filling layer 14, the filling layer 14 is made of foamed polyurethane, so that the looseness of the hexagon bolt 17 and the hexagon nut 15 can be avoided, and the cold insulation effect can be improved; the axial two sides of the high-density cold insulation block 3 are also provided with inner stop blocks 4 and are connected with a pipeline in a welding mode to form a whole, the axial two sides of the low-density cold insulation block 1 are provided with lower thrust stop blocks 18, and the lower thrust stop blocks 18 are welded on the lower pipe clamp 6. In order to prevent the pipe from hot displacement, the pipe bracket cold insulation component and the pipe are disconnected to form a bare pipe, the two axial sides of the cold insulation component are provided with an inner stop block 4 and a lower thrust stop block 18, the inner stop block 4 is welded with the pipe during installation, and the lower thrust stop block 18 is welded on the lower pipe clamp 6; the inner stop block 4 and the lower thrust stop block 18 are both in 60-degree arc shapes; the pipe bracket supporting part comprises a vertical plate 7, a rib plate 8 and a bottom plate 9, wherein the vertical plate 7 and the rib plate 8 are arranged on the bottom plate 9, and the rib plate 8 wraps the vertical plate 7; the rib plate 8 is provided with temperature-resistant grooves 19, and the temperature-resistant grooves 19 and the vertical plate 7 are arranged in a staggered manner. The temperature-resistant grooves 19 are arranged in a staggered manner with the vertical plate 7, so that the heat conduction area is further reduced; the pipe bracket sliding component is arranged at the bottom of the bottom plate.

In the cold insulation pipe bracket in this example, attention is required to be paid to: all the hexagonal studs are processed according to the GB/T901-1988 requirements, but the material selection manufacturing and inspection processes of the hexagonal studs and the hexagonal nuts are processed according to the related technical requirements and process conditions of high-strength studs, the processing precision is not less than 6 grades, the strength of the hexagonal studs is 8.8 grades, and the strength of the hexagonal nuts is 8 grades; the welding joint form and size are executed according to the regulation in GB985/T-2012 except the indication, all welding seams are continuous and compact, and no cold solder and no leakage solder are generated; zinc dipping treatment is carried out on the surface of the carbon steel element; the disc spring material performs as specified in GB/T3279.

While the embodiments of the present invention have been described in detail with reference to the drawings, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A cold insulation pipe bracket is characterized by comprising a pipe bracket component, a cold insulation component and a pipe bracket supporting component, wherein the pipe bracket component is connected with the bottom of the pipe bracket supporting component and is supported by the pipe bracket supporting component; the cold insulation part comprises a high-density cold insulation block and a low-density cold insulation block, the high-density cold insulation block is arranged on the inner periphery of the pipe bracket part, and the low-density cold insulation block is coated on the periphery of the pipe bracket part.

2. The cold-insulating pipe bracket according to claim 1, wherein the pipe bracket component comprises an upper pipe clamp and a lower pipe clamp, the upper pipe clamp comprises an upper arc plate and an upper pipe lug, and the lower pipe clamp comprises a lower arc plate and a lower pipe lug; the upper pipe clamp and the lower pipe clamp penetrate through the upper pipe lug and the lower pipe lug through bolts and nuts to be connected; the high-density cold insulation block comprises an upper high-density cold insulation block and a lower high-density cold insulation block, the upper high-density cold insulation block is arranged on the inner surface of the upper arc plate, the lower high-density cold insulation block is arranged on the inner surface of the lower arc plate, and the thickness of the upper high-density cold insulation block is half of that of the high-density cold insulation block; the low-density cold insulation block is arranged on the periphery of the upper pipe clamp.

3. The cold insulation pipe bracket according to claim 2, further comprising a pipe bracket sliding member, wherein the pipe bracket sliding member is a friction pair composed of a polytetrafluoroethylene plate and a stainless steel mirror plate, and the pipe bracket sliding member is arranged at the bottom of the pipe bracket supporting member.

4. The cold insulation pipe bracket according to claim 2, wherein the outer surface of the low-density cold insulation block is further provided with a moisture-proof layer and a metal protection layer, the metal protection layer is an aluminum thin plate, and the thin steel strip or iron wire is used for binding and connecting with the pipe bracket component.

5. The cold insulation pipe bracket according to claim 4, wherein the lower pipe lug is an inward-turning lug, the upper pipe lug is an outward-turning lug, the nut and the bolt sequentially penetrate into the upper pipe lug and the lower pipe lug to connect the upper pipe clamp and the lower pipe clamp, pipe clamp rib plates are respectively arranged on two sides of the bolt of the lower pipe clamp, the pipe clamp rib plates and the lower pipe clamp are welded into a whole, and the hexagonal head of the bolt is clamped by the two pipe clamp rib plates to prevent the bolt from loosening or rotating; and a belleville spring is arranged between the nut and the bolt.

6. The cold insulation pipe bracket according to claim 4, wherein inner stop blocks are further arranged on two axial sides of the high-density cold insulation block and are welded and connected with the pipeline into a whole, and lower thrust stop blocks are arranged on two axial sides of the low-density cold insulation block and are welded on the lower pipe clamp.

7. The cold insulation pipe bracket according to claim 5, wherein the cold insulation part further comprises a filling layer which is filled at the connection of the bolt and the nut passing through the upper pipe lug and the lower pipe lug when being installed.

8. The cold insulation pipe bracket according to claim 7, wherein the pipe bracket supporting component comprises a vertical plate, a rib plate and a bottom plate, the vertical plate and the rib plate are both arranged on the bottom plate, and the rib plate wraps the vertical plate.

9. The cold insulation pipe bracket according to claim 8, wherein the rib plate is provided with temperature resistance grooves, and the temperature resistance grooves and the vertical plate are arranged in a staggered manner.

10. The cold insulation pipe bracket according to claim 7, wherein the lower high-density cold insulation block comprises a lower inner high-density cold insulation block and a lower outer high-density cold insulation block, the half surfaces of the lower inner high-density cold insulation block and the lower outer high-density cold insulation block are step-shaped, and the lower outer high-density cold insulation block is 20mm higher than the half surface; the lengths of the inner layers of the upper high-density heat-insulating block and the lower high-density heat-insulating block are both 500 mm, and the two ends of the upper high-density heat-insulating block and the two ends of the lower high-density heat-insulating block extend out of the outer edges of the upper pipe clamp and the lower pipe clamp by 50 mm; the thickness of the upper high-density cold insulation block is 60 mm, and the thickness of the lower high-density cold insulation block is 120 mm.

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