CN209638547U - A kind of vertical floating bearing support of superhigh temperature - Google Patents
A kind of vertical floating bearing support of superhigh temperature Download PDFInfo
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- CN209638547U CN209638547U CN201822051215.2U CN201822051215U CN209638547U CN 209638547 U CN209638547 U CN 209638547U CN 201822051215 U CN201822051215 U CN 201822051215U CN 209638547 U CN209638547 U CN 209638547U
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- pipeline
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- superhigh temperature
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- floating bearing
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Abstract
A kind of vertical floating bearing support of superhigh temperature, it is characterized in that it includes the support ring (18) of the thrust block (1) being welded on pipeline (17) and the movable set being mounted between thrust block (1) on pipeline (17), support ring (18) is sleeved on pipeline (17), multiple lifting lugs (15) are connected in support ring (18), lifting lug (15) is connected by spring hanger link (14) with constant-force spring hanger (13), and constant-force spring hanger (13) is connected with civil engineering girder steel (12).The utility model efficiently solves the problems, such as that tradition pipeline and supporting leg ontology secondary stress in vertical pipe welding supporting leg spring lifting are exceeded, being shorted design using nonstandard pipeline simultaneously can effectively solve the problems, such as that process pipe wall thickness brings cost and branch suspension centre load to increase severely without Integral upset, it is ensured that entire pipe-line system is safely and effectively run for a long time.
Description
Technical field
A kind of support of pipelines of the utility model is especially adapted for use in the superhigh temperature support of pipelines of dehydrogenating propane reaction unit,
It is specifically a kind of that special bracket is carried using axial floating limit floating vertical with the superhigh temperature of lifting.
Background technique
Dehydrogenating propane industry has become the very important novel industry in one, China Chemical Industry field at present, and main cause is
The product of dehydrogenating propane --- propylene is important petrochemical intermediates, its importance is only second to ethylene, is widely used in production
The Organic Ingredients such as polypropylene, butanol, octanol, acrylonitrile, acrylic acid, propylene oxide, isopropylbenzene and isopropyl acid.In recent years, with
The rapid growth of the downstream derivatives object demand such as China's polypropylene, octyl alconyl, propylene resource provisioning notch is increasingly obvious, this promotion
The development of the dehydrogenating propane industry of China at this stage.Chinese dehydrogenating propane industry refers to using propane as raw material, utilizes De-hydrogen Technology
Produce the enterprise of propylene, dehydrogenating propane industry occurs in 2013 Nian Houcai in China successively, rapidly become chemical industry at present
One hot fields of industry development.
By taking the Catofin technique of Lummus company as an example, 704 DEG C of process parameters design high-temperature, pressure: positive pressure
2.39MPa, negative pressure 0.05MPa, pipe material is ASTM A240 Gr.321H high temperature stainless steel material, due to design temperature
Reach 704 DEG C, 321H material allowable stress at this temperature is only 22MPa, and the xial feed at bracket is generally in 1000KN-
2500KN.Big load, high temperature low stress are that special support Design is a big difficulty.
Tradition welds supporting leg not on pipeline and can effectively solve radial thermal expansion and supporting leg weldering of the pipeline under design temperature
It connects lifting to lead to the problem of moment of flexure to pipeline and supporting leg ontology and cause secondary stress exceeded, traditional supporting leg is not suitable for dehydrogenating propane and fills
Set the secondary stress requirement of pipeline support under reaction zone superhigh temperature pipe design operating condition.
Utility model content
The purpose of this utility model is not to be able to satisfy dehydrogenating propane device reaction area superelevation for existing traditional supporting leg lifting
Warm lifting pipeline problem designs a kind of vertical floating bearing support of superhigh temperature, effectively solves pipeline radial direction using the special bracket
The bit shift compensation of thermal expansion and thermal expansion ensure that pipeline and superhigh temperature are vertical into raw pipeline secondary stress excessive problem
Floating carries the monolithic film membrane stress of special bracket and local stress meets intensity and answers force request.
Originally it is applicable in novel technical solution are as follows:
The vertical floating bearing support of a kind of superhigh temperature, it is characterised in that it includes the thrust block 1 being welded on pipeline 17
And support ring 18 of the movable set being mounted between thrust block 1 on pipeline 17, support ring 18 are sleeved on pipeline 17, branch
Multiple lifting lugs 15 are connected on pushing out ring 18, lifting lug 15 is connected by spring hanger link 14 with constant-force spring hanger 13, constant force spring
Suspension and support 13 is connected with civil engineering girder steel 12.
The support ring 18 is made of left cover 2, right cover plate 19, inner ring plate 4 and outer ring plate 5, in inner ring plate 4 and outer ring
Interior reinforcing rib 3 is added between plate 5 and fastener 10 is fixed, and 4 gap of inner ring plate is wrapped on pipeline 17.
The lifting lug 15 is by the first trunnion of muti-piece gusset 6, trunnion insulating layer 7, the second trunnion gusset 8 and trunnion sealing plate 9
Composition, the second trunnion gusset 8 are mounted in the space being made of the first trunnion of muti-piece gusset 6, and trunnion insulating layer 7 is mounted on outer ring
Between plate 5 and the second trunnion gusset 8, the first trunnion gusset 6 is welded on outer ring plate 5.
The thrust block 1 is welded on nonstandard pipeline and is shorted on 16, and nonstandard pipeline is shorted 16 and welds phase with normal pipeline
Even, thickness is greater than the thickness of normal pipeline.
The quantity of the lifting lug is 4.
The trunnion insulating layer 7 and pedestal insulating layer 13 is alumina silicate felt, ultra-fine fibre glass felt or nanoporous aerogel
Felt.
The beneficial effects of the utility model are:
The utility model from nonstandard pipeline be shorted 16 and the carrying of superhigh temperature floating it is special start in terms of rack body two into
On the one hand row design is designed the nonstandard pipeline short circuit for meeting axial load on pipe using FEA integral analysis, effectively reduced
The pipeline wall thickness that piping need to be increased to meet pipe load requirement, can effectively save 15% ~ 30% or more pipeline material cost.
Still further aspect, the design that the vertical floating of superhigh temperature carries special bracket can solve pipeline carrying and heat expansion generate it is secondary
Stress is exceeded, two-way axial load on pipe carrying is carried out using the thrust block design of two groups of asymmetric arrangements, using 2-4 root bullet
Spring distribution design, axial load on pipe is transferred on civil engineering girder steel and realizes the displacement of pipeline both vertically and horizontally
Compensation, solve supporting leg lifting bear moment of flexure and moment of flexure bring branch supporting leg insufficient rigidity and pipeline thrust block unbalance stress and
The exceeded equal adverse effect of caused pipe stress.Stop pipeline by the structure design that the vertical floating of superhigh temperature carries special bracket
Push and block block and the vertical floating of superhigh temperature carry special rack body and are solely subjected to axial positive compression, so that pipeline, superhigh temperature be made to hang down
Direct floating carries the entirety of special bracket and local stress meets dehydrogenating propane device reaction area horizontal pipe big load low stress
Harsh design requirement.
Detailed description of the invention
Fig. 1 illustrates that high temperature floating carries the structure axial direction schematic diagram of special bracket by the utility model.
Fig. 2 illustrates that high temperature floating carries the structure radial direction schematic diagram of special bracket by the utility model.
In figure: push and block block until 1,2 be left cover, 3 be interior reinforcing rib, 4 be inner ring plate, 5 be outer ring plate, 6 be first
Ear gusset, 7 be trunnion insulating layer, 8 be the second trunnion gusset, 9 be trunnion sealing plate, 10 be fastener, 11 be fastener connecting plate,
15 be lifting lug.
Specific embodiment
Structure Figure and embodiment are further described the utility model below.
As shown in Figs. 1-2.
A kind of vertical floating bearing support of superhigh temperature, it includes the thrust block 1 being welded on pipeline 17 and is mounted on only
Support ring 18 of the movable set on pipeline 17 between push and block block 1 is equipped between thrust block 1 and support ring 18 and stretches for pipeline
The gap of contracting, support ring 18 are sleeved on pipeline 17, and 4 lifting lugs 15 are connected in support ring 18, and lifting lug 15 passes through spring hanger link
14 are connected with constant-force spring hanger 13(standard component, standard No. NB/T47038-2013), constant-force spring hanger 13 and soil
Girder steel 12 is built to be connected.When it is implemented, support ring 18 can be made of left cover 2, right cover plate 19, inner ring plate 4 and outer ring plate 5, In
Interior reinforcing rib 3 is added between inner ring plate 4 and outer ring plate 5 and fastener 10 is fixed, and 4 gap of inner ring plate is wrapped in pipeline 17
On, as shown in Figure 1.The lifting lug 15 is by the first trunnion of muti-piece gusset 6, trunnion insulating layer 7, the second trunnion gusset 8 and trunnion
Sealing plate 9 forms, and the second trunnion gusset 8 is mounted in the space being made of the first trunnion of muti-piece gusset 6, and trunnion insulating layer 7 is installed
Between outer ring plate 5 and the second trunnion gusset 8, the first trunnion gusset 6 is welded on outer ring plate 5.In addition, when it is implemented, only
Push and block block 1 is preferably welded to nonstandard pipeline and is shorted on 16, and nonstandard pipeline is shorted 16 and is weldingly connected with normal pipeline, and thickness is big
In the thickness of normal pipeline.16 welding 1 Combination Designs of thrust block are shorted using nonstandard pipeline, make primary stress on pipeline and
Secondary stress meets the design requirement of big load, high temperature low stress under design conditions.Inner ring plate 4 and nonstandard pipeline are pre- between being shorted 16
Stay design gaps, compensate pipeline ellipticity error and pipeline radial thermal expansion displacement, avoid pipeline because thermal expansion generate two
Secondary thermal stress is exceeded.The low thermally conductive system such as alumina silicate felt, ultra-fine fibre glass felt, nanoporous aerogel felt can be selected in trunnion insulating layer 7
Number heat-insulating material filling, reduces pipeline heat and scatters and disappears to the external world, ensure that the technological temperature requirement of pipeline.Lifting lug 15 and spring
Sunpender 14 be attached, special bracket is carried instead of tradition on pipeline by the vertical floating of the superhigh temperature of the utility model
Supporting leg is welded, avoids and welds the lifting of supporting leg spring on vertical pipe to pipeline body and supporting leg ontology formation moment of flexure stress
The exceeded problem of secondary stress caused by and.
Details are as follows:
1) structure design, including thrust block 1, cover board 2, interior reinforcing rib 3, inner ring plate 4, outer ring plate 5, trunnion gusset 16,
Trunnion insulating layer 7, trunnion gusset 28, trunnion sealing plate 9, fastener 10, fastener connecting plate 11, lifting lug 15.Process pipe and non-
The xial feed that mark pipeline is shorted 16 is transferred to superhigh temperature floating by the combination of load thrust block 1 and carries special rack body part
2-11, then the xial feed of pipeline is transferred to 12 on civil engineering girder steel by spring 13 by lifting lug 15 and spring hanger link 14, and
Can with spring 13 realize pipeline vertically and horizontally on displacement.
2) 1 Combination Design of thrust block, thrust block 1, which is combined, to be uniformly applied to the xial feed of pipeline by decomposing
Superhigh temperature floating carries on the rack plate 2 of special bracket, and double grooves are opened in 1 one faces of thrust block and pipeline welds, and in addition one
On a face paste closing lid plate 2, and the two side error of perpendicularitys are less than 0.5 °.The xial feed of pipeline is combined by thrust block 1
It is applied to the vertical floating of superhigh temperature to carry on special rack body part 2-11, then is passed by lifting lug 15, spring hanger link 14, spring 13
Being handed to civil engineering girder steel is 12.
3) transmitting of heat can effectively be reduced by carrying setting trunnion insulating layer 7 at special bracket trunnion in superhigh temperature floating
To lifting lug, trunnion insulating layer 7 is designed using cumulative catoptric arrangement, and operating condition (can be used in heat insulation layer depending on the temperature
The low thermal conductivities heat-insulating materials such as alumina silicate felt, ultra-fine fibre glass felt, nanoporous aerogel felt) it is internal that the suitable number of plies is arranged is anti-
Layer is penetrated, effectively completely cuts off heat and is transferred at lifting lug 15 especially by heat radiation mode, reduce the temperature at lifting lug, improve
Stress allowable value at lifting lug.
The parts not involved in the utility model is same as the prior art or can be realized by using the prior art.
Claims (6)
1. a kind of vertical floating bearing support of superhigh temperature, it is characterised in that it includes the thrust block being welded on pipeline (17)
(1) it is sleeved on support ring (18) on pipeline (17) of the movable set that is mounted between thrust block (1), support ring (18)
It on pipeline (17), is connected in support ring (18) multiple lifting lugs (15), lifting lug (15) passes through spring hanger link (14) and constant force spring
Suspension and support (13) is connected, and constant-force spring hanger (13) is connected with civil engineering girder steel (12).
2. the vertical floating bearing support of superhigh temperature according to claim 1, it is characterized in that the support ring (18) is by a left side
Cover board (2), right cover plate (19), inner ring plate (4) and outer ring plate (5) composition, add between inner ring plate (4) and outer ring plate (5)
Simultaneously fastener (10) is fixed interior reinforcing rib (3), and inner ring plate (4) gap is wrapped on pipeline (17).
3. the vertical floating bearing support of superhigh temperature according to claim 1, it is characterized in that the lifting lug (15) is by muti-piece
First trunnion gusset (6), trunnion insulating layer (7), the second trunnion gusset (8) and trunnion sealing plate (9) composition, the second trunnion gusset
(8) it is mounted in the space being made of muti-piece the first trunnion gusset (6), trunnion insulating layer (7) is mounted on outer ring plate (5) and second
Between trunnion gusset (8), the first trunnion gusset (6) is welded on outer ring plate (5).
4. the vertical floating bearing support of superhigh temperature according to claim 1, it is characterised in that thrust block (1) weldering
It connects and is shorted on (16) in nonstandard pipeline, nonstandard pipeline is shorted (16) and is weldingly connected with normal pipeline, and thickness is greater than normal pipeline
Thickness.
5. the vertical floating bearing support of superhigh temperature according to claim 1, it is characterised in that the quantity of the lifting lug is 4
It is a.
6. the vertical floating bearing support of superhigh temperature according to claim 3, it is characterised in that the trunnion insulating layer (7)
For alumina silicate felt, ultra-fine fibre glass felt or nanoporous aerogel felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822051215.2U CN209638547U (en) | 2018-12-07 | 2018-12-07 | A kind of vertical floating bearing support of superhigh temperature |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822051215.2U CN209638547U (en) | 2018-12-07 | 2018-12-07 | A kind of vertical floating bearing support of superhigh temperature |
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| Publication Number | Publication Date |
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| CN209638547U true CN209638547U (en) | 2019-11-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502962A (en) * | 2020-05-08 | 2020-08-07 | 中国成达工程有限公司 | Stress relief structure and design method for multi-stage compressor unit integrated design |
-
2018
- 2018-12-07 CN CN201822051215.2U patent/CN209638547U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502962A (en) * | 2020-05-08 | 2020-08-07 | 中国成达工程有限公司 | Stress relief structure and design method for multi-stage compressor unit integrated design |
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