CN205897933U - Interior heat tracing pipe of special material and equipment connection structure be exclusively used in - Google Patents
Interior heat tracing pipe of special material and equipment connection structure be exclusively used in Download PDFInfo
- Publication number
- CN205897933U CN205897933U CN201620782599.3U CN201620782599U CN205897933U CN 205897933 U CN205897933 U CN 205897933U CN 201620782599 U CN201620782599 U CN 201620782599U CN 205897933 U CN205897933 U CN 205897933U
- Authority
- CN
- China
- Prior art keywords
- flange
- special material
- special
- heat tracing
- connection structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an interior heat tracing pipe of special material and equipment connection structure be exclusively used in, including the barrel, be equipped with special material inner tube in the barrel, the tip of special material inner tube is equipped with the internal connection flange, is equipped with on the wall of barrel and takes inverse flange reinforcement pipe, takes the outer end of inverse flange reinforcement pipe to be fixed with the trompil blind flange through outside fastening bolt and outside gasket, and special material is taken over and is passed trompil blind flange and welded fastening, and the internal connection flange joint of inside fastener and gasket and special material inner tube is passed through to the inner that special material was taken over, and the outer end that special material was taken over is equipped with mating flange. The inner wall of taking inverse flange reinforcement pipe with leave the space between the outer wall that special material was taken over. Stretching being connected of pipe in being applicable to carbon steel equipment and special materials such as stainless steel, diphase steel, both having solved that tangential trompil reinforcement is bad, welding operation inconvenience and the big scheduling problem of the xenogenesis steel matter welding quality control degree of difficulty, companion's thermal medium of high temperature is alleviated to the harmful effects at welded joint position to usable inside low temperature medium again, replacement that can also implementation structure spare.
Description
Technical field
This utility model is related to a kind of equipment of the production fields such as chemical industry, petrochemical industry and oil refining, more particularly, to a kind of special
For heat tracing pipe in special substance and equipment connection structure.
Background technology
It is frequently necessary to using high-temperature steam in equipment in the production process of the production fields such as chemical industry, petrochemical industry and oil refining
Processing medium situation about being heated., in its equipment, medium is taking certain urea plant equipment urea hydrolyser (see Fig. 1) as a example
The carbamide that 235 DEG C of operation temperature, co2、nh3、h2O etc., steam inside heat tracing pipe is tangentially-arranged along cylinder, media operation temperature in it
430 DEG C of degree, design temperature is 450 DEG C.This apparatus casing material adopts q345r and s31603 composite plate.
In prior art, by steam pipe and equipment barrel to be connected by stainless steel forging pipe tangentially direct with composite plate cylinder
Type of Welding (see Fig. 2), different steel weld with the type of attachment of rustless steel heat tracing pipe in equipment barrel carbon steel part, and tangentially
It is unfavorable to reinforcement for openings requirement and welding operation to connect, and different steel weld is affected by material and welding procedure, exists certain
Quality risk；Different steel weld situation with the type of attachment of rustless steel heat tracing pipe in equipment barrel carbon steel part, and this is different
Plant steel connecting portion and can touch 450 DEG C of media, there is potential safety hazard；If equipment integrally can produce pole using stainless steel making again
Big waste of material is wasted with cost.
Utility model content
The purpose of this utility model is to provide one kind to be exclusively used in heat tracing pipe and equipment connection structure in special substance.
The purpose of this utility model is achieved through the following technical solutions:
Of the present utility model it is exclusively used in heat tracing pipe and equipment connection structure in special substance, including cylinder, in described cylinder
It is provided with special material inner tube, the end of described spy's material inner tube is provided with internal adpting flange, and the wall of described cylinder is provided with band inverse flange
Reinforced tube, the described outer end with inverse flange reinforced tube is fixed with perforate blind flange by outside fastening bolt and outer spacer,
The adapter of special material through described perforate blind flange and is welded and fixed, the inner of described spy's material adapter pass through inner retainer and pad with
The inside adpting flange of described spy's material inner tube connects, and the outer end of described spy's material adapter is provided with abutted flange.
By the technical scheme that above-mentioned this utility model provides can be seen that this utility model embodiment offer be exclusively used in spy
Heat tracing pipe and equipment connection structure in different material, had both solved that tangential reinforcement for openings is bad, welding operation is inconvenient and Dissimilar Steels
The problems such as matter welding quality controls difficulty big, can be utilized inner cryogenic medium to alleviate the heat tracing medium Welded Joints portion of high temperature again
The harmful effect of position is additionally it is possible to realize the replacement of structural member.It is particularly suited for interior by being adopted of causing of heat tracing medium high-temperature
The occasion that the material of heat tracing pipe material and cylinder differs greatly, such as carbon steel equipment cylinder and the special substance such as rustless steel or dual phase steel
The connection of inside extending tube, and it is serious and adopt special substance pipe (in pipe, medium is high temperature steaming to be applied in equipment barrel dielectric corrosion
Vapour or generic media), but equipment barrel uses the occasion that composite plate manufactures.
Brief description
Fig. 1 is the original structure schematic diagram in prior art taking certain urea plant equipment urea hydrolyser as a example.
Fig. 2 is in prior art steam pipe and equipment barrel to be connected by stainless steel forging pipe is tangential and composite plate cylinder
The directly partial enlarged drawing of Type of Welding.
The structure being exclusively used in heat tracing pipe and equipment connection structure in special substance that Fig. 3 provides for this utility model embodiment
Schematic diagram.
In figure:
Cylinder 1, special material inner tube 2, internal adpting flange 3, inner retainer and pad 4, band inverse flange reinforced tube 5, open
Hole blind flange 6, outside fastening bolt 7, outer spacer 8, special material adapter 9, abutted flange 10.
Specific embodiment
This utility model embodiment will be described in further detail below.
Of the present utility model be exclusively used in heat tracing pipe and equipment connection structure in special substance, its preferably specific embodiment
It is:
Including cylinder, in described cylinder, it is provided with special material inner tube, the end of described spy's material inner tube is provided with internal adpting flange, institute
The wall stating cylinder is provided with band inverse flange reinforced tube, the described outer end with inverse flange reinforced tube pass through outside fastening bolt and
Outer spacer is fixed with perforate blind flange, and special material adapter through described perforate blind flange and is welded and fixed, described spy's material adapter
Inner inner retainer and the pad of passing through is connected with the inside adpting flange of described spy's material inner tube, and the outer end of described spy's material adapter sets
There is abutted flange.
Described band inverse flange reinforced tube is radially arranged along described cylinder and is welded and fixed.
The described inwall with inverse flange reinforced tube and described spy material adapter outer wall between leave space.
Described inverse flange reinforced tube adopts similar material, described perforate blind flange and described spy's material adapter with described cylinder
Using similar material.
Of the present utility model be exclusively used in special substance heat tracing pipe with equipment connection structure it is adaptable to carbon steel equipment with stainless
The connection of the special substance inside extending tube such as steel, dual phase steel, had both solved that tangential reinforcement for openings is bad, welding operation is inconvenient and dissimilar steel
The problems such as material welding quality controls difficulty big, can be utilized inner cryogenic medium to alleviate the heat tracing medium Welded Joints of high temperature again
The harmful effect at position is additionally it is possible to realize the replacement of structural member.Both being set with the heating of interior heat tracing pipe of production engineering specifications can have been met
The effect of standby interior media, can improve equipment adapter again and require, meet with stresses with the reinforcement for openings needed for barrel soldering structure
Requirement, same material welding requirements, manufacturing condition is convenient and is conducive to quality control.
Specific embodiment:
As shown in figure 3, including special material inner tube 2, internal adpting flange 3, inner retainer and pad 4, band inverse flange is mended
Strong pipe 5, perforate blind flange 6, outside fastening bolt 7, outer spacer 8, special material adapter 9, abutted flange 10；Special material inner tube 2 and spy
Material adapter 9 is passed through internal adpting flange 3, inner retainer and pad 4 and is attached, and above each part constitutes first group detachable group
Part；Described spy material adapter 9 is welded to connect with perforate blind flange 6, and is assemblied in band instead by outside fastening bolt 7, outer spacer 8
To flange reinforced tube 5, above each part constitutes second group of detachable member；Described band inverse flange reinforced tube 5 along cylinder radial direction with
Equipment barrel 1 is mutually welded；Described with leaving space between inverse flange reinforced tube 5 and special material adapter 9；Described inverse flange is mended
Strong pipe 5 and equipment barrel 1 usually similar material, described spy's material inner tube 2, internal adpting flange 3, inner retainer and pad 4,
Special material adapter 9, abutted flange 10 are limited (taking into account the impact of apparatus and process corrosive medium) by high-temperature medium in heat tracing pipe simultaneously
Need to be manufactured using special substance, described perforate blind flange 6 adopts similar special substance with the special material adapter 9 being welded and connected.
Wherein:
Described spy's material inner tube 2 and special material adapter 9 are passed through internal adpting flange 3, inner retainer and pad 4 and are attached,
Each part constitutes first group of detachable member above；Described spy material adapter 9 is welded to connect with perforate blind flange 6, and by outside tight
Fixing bolt 7, outer spacer 8 are assemblied in band inverse flange reinforced tube 5, and above each part constitutes second group of detachable member；Described band
Inverse flange reinforced tube 5 is mutually welded along cylinder radial direction with cylinder 1；Staying between described inverse flange reinforced tube 5 and special material adapter 9
There is space, space interior media is apparatus and process medium, temperature is lower than heat tracing medium；
Described inverse flange reinforced tube 5 is usually similar material, described spy's material inner tube 2, internal connection method with equipment barrel 1
Blue 3, inner retainer and pad 4, special material adapter 9, abutted flange 10 limited by nozzle interior high-temperature medium need to use special
Material manufactures, and described perforate blind flange 6 adopts similar special substance with the special material adapter 9 being welded and connected；
Lower temperature medium in space between described inverse flange reinforced tube 5 and special material adapter 9 to special material adapter 9 with open
Hole blind flange 6 connecting portion has certain cooling protection effect；Described band inverse flange reinforced tube 5 is along cylinder radial direction and cylinder
1 mutually welds, it is to avoid the former problem that tangential reinforcement for openings is not enough or welding difficulty is big, and adapter is radially connected to be conducive to welding operation,
Tapping welding structure stress state is more excellent；When apparatus casing pressure is higher, carry inverse flange reinforced tube 5 and cylinder connection end
Structure can be changed to shape of a saddle solid forging manufacture, can effectively alleviate internal stress effect impact；Cylinder 1 and band inverse flange
The welding of reinforced tube 5 avoids the hidden danger that different steel weld brings it is only necessary to ensure perforate blind flange 6 and the special material being welded and connected
Adapter 9 is particular/special requirement material, saves the consumption of special material, reduces manufacture difficulty, is conducive to quality control.
The above, only this utility model preferably specific embodiment, but protection domain of the present utility model is not
It is confined to this, any those familiar with the art, in the technical scope that this utility model discloses, can readily occur in
Change or replacement, all should cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should
It is defined by the protection domain of claims.
Claims (4)
1. one kind is exclusively used in heat tracing pipe and equipment connection structure in special substance it is characterised in that including cylinder, in described cylinder
It is provided with special material inner tube, the end of described spy's material inner tube is provided with internal adpting flange, and the wall of described cylinder is provided with band inverse flange
Reinforced tube, the described outer end with inverse flange reinforced tube is fixed with perforate blind flange by outside fastening bolt and outer spacer,
The adapter of special material through described perforate blind flange and is welded and fixed, the inner of described spy's material adapter pass through inner retainer and pad with
The inside adpting flange of described spy's material inner tube connects, and the outer end of described spy's material adapter is provided with abutted flange.
2. according to claim 1 it is exclusively used in special substance heat tracing pipe with equipment connection structure it is characterised in that described
Band inverse flange reinforced tube is radially arranged along described cylinder and is welded and fixed.
3. according to claim 2 it is exclusively used in special substance heat tracing pipe with equipment connection structure it is characterised in that described
Inwall with inverse flange reinforced tube and described spy material adapter outer wall between leave space.
4. it is exclusively used in heat tracing pipe and equipment connection structure in special substance according to claim 1,2 or 3, its feature exists
In described inverse flange reinforced tube adopts similar material with described cylinder, and described perforate blind flange is adopted with described spy's material adapter
Similar material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620782599.3U CN205897933U (en) | 2016-07-22 | 2016-07-22 | Interior heat tracing pipe of special material and equipment connection structure be exclusively used in |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620782599.3U CN205897933U (en) | 2016-07-22 | 2016-07-22 | Interior heat tracing pipe of special material and equipment connection structure be exclusively used in |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205897933U true CN205897933U (en) | 2017-01-18 |
Family
ID=57784280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620782599.3U Withdrawn - After Issue CN205897933U (en) | 2016-07-22 | 2016-07-22 | Interior heat tracing pipe of special material and equipment connection structure be exclusively used in |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205897933U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052469A (en) * | 2016-07-22 | 2016-10-26 | 北京华福工程有限公司 | Connection structure special for special material inner tracing pipe and equipment |
-
2016
- 2016-07-22 CN CN201620782599.3U patent/CN205897933U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106052469A (en) * | 2016-07-22 | 2016-10-26 | 北京华福工程有限公司 | Connection structure special for special material inner tracing pipe and equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170118 Effective date of abandoning: 20190212 |
|
| AV01 | Patent right actively abandoned |