CN106481924B - A kind of bushing type mixer for cold fluid and hot fluid - Google Patents
A kind of bushing type mixer for cold fluid and hot fluid Download PDFInfo
- Publication number
- CN106481924B CN106481924B CN201510530002.6A CN201510530002A CN106481924B CN 106481924 B CN106481924 B CN 106481924B CN 201510530002 A CN201510530002 A CN 201510530002A CN 106481924 B CN106481924 B CN 106481924B
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- inner sleeve
- fluid
- fluid inlet
- cold
- thermal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/02—Branch units, e.g. made in one piece, welded, riveted
- F16L41/021—T- or cross-pieces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
Abstract
The invention discloses a kind of bushing type mixers for cold fluid and hot fluid, are easy to thermal fatigue failure occur to solve the problems, such as to be currently used for the connecting portion of thermal fluid inlet pipe present in cold fluid and hot fluid mixer and cold fluid supervisor.The thermal fluid inlet pipe that the bushing type mixer is responsible for and is vertically arranged by horizontally disposed cold fluid forms, wherein cold fluid supervisor successively includes the cold fluid inlet flange along the setting of same axis, cold fluid inlet concentric reducer, reducer tee, mixed transition section and mixed export flange, the main inner sleeve of setting in cold fluid supervisor, main inner sleeve one end is connect with cold fluid inlet concentric reducer, thermal fluid inlet pipe successively includes the thermal fluid inlet flange and thermal fluid inlet concentric reducer along the setting of same axis from top to bottom, thermal fluid inlet concentric reducer lower end and the opposite connection vertically of the branch pipe upper end of reducer tee, hot fluid inner sleeve is set in thermal fluid inlet pipe, hot fluid inner sleeve one end is connect with thermal fluid inlet concentric reducer, the other end is inserted into main inner sleeve, setting cushion block and guide pad outside main inner sleeve, 1 cushion block is correspondingly arranged 2 Guide pad, and be evenly arranged.
Description
Technical field
The present invention relates to bushing type mixers common in petrochemical industry, more particularly, in petrochemical industry
A kind of small-bore cold fluid and hot fluid bushing type mixer with the mixing of low temperature heavy caliber fluid of high temperature.
Background technique
At present in petrochemical industry, cold and hot two fluids is mutually mixed, and can propose very high requirement to hybrid element.
It is more existing to be used for cold fluid and hot fluid mixer, it is made of the cold fluid supervisor of single layer structure and thermal fluid inlet pipe.Hot fluid
The connecting portion of inlet tube and cold fluid supervisor, it is higher in hot fluid temperature, in the biggish situation of the cold fluid and hot fluid temperature difference, it will receive
The effect of complicated alternate stress is easy to fatigue failure occur.The simple cold fluid that increases is responsible for the wall thickness of thermal fluid inlet pipe simultaneously
This problem is not can solve.The connecting portion can crack after there is thermal fatigue failure, will lead to that process unit is improper to stop
Work.
Summary of the invention
The object of the present invention is to provide a kind of bushing type mixers for cold fluid and hot fluid, to solve to be currently used for hot and cold stream
Thermal fluid inlet pipe present in body mixer and the connecting portion of cold fluid supervisor are easy to the problem of thermal fatigue failure occur.
The present invention provides a kind of bushing type mixer for cold fluid and hot fluid, it is characterised in that: the bushing type mixer by
Horizontally disposed cold fluid supervisor and the thermal fluid inlet pipe composition being vertically arranged, wherein cold fluid supervisor successively includes along same
Cold fluid inlet flange, cold fluid inlet concentric reducer, reducer tee, mixed transition section and the mixed export flange of axis setting,
The main inner sleeve of setting, main inner sleeve one end are connect with cold fluid inlet concentric reducer in cold fluid supervisor, and the other end does not weld, hot fluid
Inlet tube successively includes the thermal fluid inlet flange and thermal fluid inlet concentric reducer along the setting of same axis, hot fluid from top to bottom
Entrance concentric reducer lower end and the opposite connection vertically of the branch pipe upper end of reducer tee, thermal fluid inlet pipe is interior to be arranged hot fluid inner sleeve
Pipe, hot fluid inner sleeve one end are connect with thermal fluid inlet concentric reducer, and the other end is inserted into main inner sleeve, are set outside main inner sleeve
Cushion block and guide pad are set, 2-4 cushion block is axially arranged in the underface outside main inner sleeve, wherein 1 cushion block is set to hot fluid
The underface of inlet tube, remaining is set to mixed transition section, and the oblique upper for being set to the cushion block of mixed transition section, which is correspondingly arranged, leads
To block, 1 cushion block is correspondingly arranged 2 guide pads, and is evenly arranged.
The present invention is further technically characterized in that hot fluid inner sleeve one end is connect with entrance concentric reducer, the other end
It is inserted into main inner sleeve, is flush at the top of the bottom of hot fluid inner sleeve and the inner wall of main inner sleeve.
The present invention is further technically characterized in that the length of the main inner sleeve is 5-10 times of mixed transition section diameter.
The present invention is further technically characterized in that axially 3 cushion blocks of setting of the underface outside the main inner sleeve, wherein
There is a cushion block to be placed in the underface of thermal fluid inlet pipe, remaining 2 are placed in mixed transition section.
The present invention is further technically characterized in that the distance between the inside pipe wall of the guide pad outer rim Yu mixed transition section
H is 1-3mm.
Present invention is mainly used for petrochemical industry high temperature is small-bore and the bigbore fluid mixing of low temperature.
The invention has the following advantages over the prior art: the present invention is in use, hot fluid is through in hot fluid
Casing enters main inner sleeve and mixes with cold fluid, since cold fluid and hot fluid mixing Shi Buyu cold fluid and hot fluid outer tube contacts, so that cold and hot
The outer tube connecting portion of fluid is protected, prevent the position due to the cold fluid and hot fluid temperature difference is larger and by complicated alternate stress
Effect, crack so as to avoid thermal fatigue failure occur in the connecting portion.
With attached drawing and specific implementation formula, the present invention is described in further detail below, but is not intended to limit model of the invention
It encloses.
Detailed description of the invention
Fig. 1 is a kind of cross-sectional view of the bushing type mixer for cold fluid and hot fluid of the present invention.
Fig. 2 is sectional view of the A in Fig. 1 to mixed transition section.
Appended drawing reference as shown in the figure are as follows: 1- cold fluid inlet flange, 2- cold fluid inlet concentric reducer, 3- reducer tee, 4-
Mixed transition section, 5- mixed export flange, 6- thermal fluid inlet flange, 7- thermal fluid inlet concentric reducer, the main inner sleeve of 8-, 9- pad
Block, 10- guide pad, 11- hot fluid inner sleeve.
Specific embodiment
As depicted in figs. 1 and 2, a kind of bushing type mixer for cold fluid and hot fluid, is responsible for by horizontally disposed cold fluid
With the thermal fluid inlet pipe composition being vertically arranged, wherein cold fluid supervisor successively includes the cold fluid inlet along the setting of same axis
Flange 1, cold fluid inlet concentric reducer 2, reducer tee 3, mixed transition section 4 and mixed export flange 5, reducer tee 3 include master
Pipe and branch pipe, supervisor is horizontally disposed, and branch pipe is vertically arranged, the main inner sleeve 8 of setting, main 8 one end of inner sleeve in cold fluid supervisor
It is connect with cold fluid inlet concentric reducer 2, the other end does not weld, and thermal fluid inlet pipe successively includes setting along same axis from top to bottom
The thermal fluid inlet flange 6 and thermal fluid inlet concentric reducer 7 set, the branch pipe of thermal fluid inlet concentric reducer 7 lower end and reducer tee 3
Upper end opposite connection vertically, thermal fluid inlet pipe is interior to be arranged hot fluid inner sleeve 11,11 one end of hot fluid inner sleeve and hot fluid
Entrance concentric reducer 7 connects, and the other end is inserted into main inner sleeve 8, and cushion block 9 and guide pad 10, main inner sleeve are arranged outside main inner sleeve 8
2-4 cushion block 9 is axially arranged in the underface of 8 outside of pipe, wherein 1 cushion block 9 is set to the underface of thermal fluid inlet pipe, remaining
It is set to mixed transition section, the oblique upper for being set to the cushion block 9 of mixed transition section is correspondingly arranged 10,1 cushion block 9 of guide pad and corresponds to
Two guide pads 10 are set, and are evenly arranged.
The case where 3 cushion blocks as shown in the figure for setting, wherein the underface for thering is a cushion block 9 to be placed in thermal fluid inlet pipe,
Other 2 are placed in mixed transition section 4, are placed at the corresponding position of cushion block 9 of the underface of thermal fluid inlet pipe and are not provided with being oriented to
Block 10 is placed at the corresponding position of 2 cushion blocks of mixed transition section 4 and setting at 10,1 corresponding position of cushion block of guide pad is arranged
2 guide pads 10.
Described 11 one end of hot fluid inner sleeve is connect with entrance concentric reducer, and the other end is inserted into 8 in main inner sleeve, in hot fluid
It is flush at the top of the bottom of casing 11 and the inner wall of main inner sleeve 8.
The length of the main inner sleeve 8 is 5-10 times of 4 diameter of mixed transition section, to guarantee that cold fluid and hot fluid is sufficiently mixed.
The distance between the inside pipe wall of 10 outer rim of guide pad and mixed transition section h is 1-3mm.
Cushion block 9 is welded in main 8 outside of inner sleeve, wherein the underface for thering is a cushion block 9 to be placed in thermal fluid inlet pipe, with balance
The impulse force of hot fluid, other two cushion block 9 are placed in the downstream of cold fluid and hot fluid mixing, that is, are placed in mixed transition section, play support master
The effect of inner sleeve 8.Main inner sleeve 8 vibrates when cold fluid and hot fluid mixes in order to prevent, above the cushion block of cold fluid and hot fluid mixing section
Guide pad 10 is set, and guide pad 10 is welded in outside main inner sleeve 8, and the angle of two guide pads and cushion block is 120 °.
Identical carbon steel, the materials system such as alloy steel or stainless steel can be used in each component of bushing type mixer of the present invention
It makes.
Each component and cold fluid of bushing type mixer of the present invention, the table that hot fluid or cold fluid and hot fluid fluid-mixing are in contact
Face can be damaged, alloy material resistant to high temperature with built-up welding or spraying abrasion-proof.
In use, hot fluid enters main inner sleeve 8 through hot fluid inner sleeve 11 to bushing type mixer of the present invention, cold
Fluid is mixed into main inner sleeve 8 with hot fluid through cold fluid inlet concentric reducer 2, and the fluid-mixing formed after mixing is by blending
Mouth flange 5 flows out.In mixed process, cold fluid, hot fluid or cold and hot fluid-mixing can be full of main inner sleeves with supervisor's
Gap, so pressure difference is not present in inner sleeve two sides, force-bearing situation is preferable.
Claims (5)
1. a kind of bushing type mixer for cold fluid and hot fluid, it is characterised in that: the bushing type mixer is by horizontally disposed cold
The thermal fluid inlet pipe composition that fluid is responsible for and is vertically arranged, wherein cold fluid supervisor successively includes along the cold of same axis setting
Fluid inlet flange, cold fluid inlet concentric reducer, reducer tee, mixed transition section and mixed export flange, cold fluid supervisor in
Main inner sleeve is set, and main inner sleeve one end is connect with cold fluid inlet concentric reducer, and thermal fluid inlet pipe successively includes from top to bottom
Along the thermal fluid inlet flange and thermal fluid inlet concentric reducer of the setting of same axis, thermal fluid inlet concentric reducer lower end and reducing three
The opposite connection vertically of logical branch pipe upper end, thermal fluid inlet pipe is interior to be arranged hot fluid inner sleeve, hot fluid inner sleeve one end and heat
The connection of fluid inlet concentric reducer, the other end are inserted into main inner sleeve, setting cushion block and guide pad, main inner sleeve outside main inner sleeve
2-4 cushion block is axially arranged in the underface of outside, wherein 1 cushion block is set to the underface of thermal fluid inlet pipe, remaining setting
In mixed transition section, the oblique upper for being set to the cushion block of mixed transition section is correspondingly arranged guide pad, and 1 cushion block is correspondingly arranged 2
Guide pad, and be evenly arranged.
2. a kind of bushing type mixer for cold fluid and hot fluid according to claim 1, it is characterised in that: the hot fluid
Inner sleeve one end is connect with thermal fluid inlet concentric reducer, and the other end is inserted into main inner sleeve, the bottom of hot fluid inner sleeve and master
It is flush at the top of the inner wall of inner sleeve.
3. a kind of bushing type mixer for cold fluid and hot fluid according to claim 1, it is characterised in that: the main inner sleeve
The length of pipe is 5-10 times of mixed transition section diameter.
4. a kind of bushing type mixer for cold fluid and hot fluid according to claim 1, it is characterised in that: the main inner sleeve
3 cushion blocks are axially arranged in the underface of tube outside, wherein the underface for thering is a cushion block to be placed in thermal fluid inlet pipe, remaining 2
It is placed in mixed transition section.
5. a kind of bushing type mixer for cold fluid and hot fluid according to claim 1, it is characterised in that: the guide pad
The distance between the inside pipe wall of outer rim and mixed transition section h is 1-3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510530002.6A CN106481924B (en) | 2015-08-26 | 2015-08-26 | A kind of bushing type mixer for cold fluid and hot fluid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510530002.6A CN106481924B (en) | 2015-08-26 | 2015-08-26 | A kind of bushing type mixer for cold fluid and hot fluid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106481924A CN106481924A (en) | 2017-03-08 |
| CN106481924B true CN106481924B (en) | 2019-03-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510530002.6A Active CN106481924B (en) | 2015-08-26 | 2015-08-26 | A kind of bushing type mixer for cold fluid and hot fluid |
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| Country | Link |
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| CN (1) | CN106481924B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111006096B (en) * | 2019-12-30 | 2021-03-16 | 西安交通大学 | Branch type channel structure for inhibiting fatigue damage |
| CN113883350A (en) * | 2020-07-01 | 2022-01-04 | 中国石油化工股份有限公司 | Sleeve type mixer for high temperature and large caliber |
| CN112082028A (en) * | 2020-08-20 | 2020-12-15 | 北方华锦化学工业股份有限公司 | High-parameter hydrogenation device pipeline mixer and design and manufacturing method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101994A (en) * | 1985-10-30 | 1987-05-12 | 石川島播磨重工業株式会社 | Fluid mixing pipe |
| JP2007120755A (en) * | 2005-09-29 | 2007-05-17 | Mitsubishi Heavy Ind Ltd | Pipe including fluid mixing zone |
| CN200961767Y (en) * | 2006-06-05 | 2007-10-17 | 罗志军 | Three-way for heat mixing |
| CN202252534U (en) * | 2011-08-25 | 2012-05-30 | 中国石油化工集团公司 | Sleeve lateral tee |
| CN202302506U (en) * | 2011-11-07 | 2012-07-04 | 中国石油化工股份有限公司 | Tee for mixing cold and hot fluids |
| CN104315285A (en) * | 2014-10-09 | 2015-01-28 | 河北工业大学 | Cold and hot fluid mixing tee-joint |
-
2015
- 2015-08-26 CN CN201510530002.6A patent/CN106481924B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62101994A (en) * | 1985-10-30 | 1987-05-12 | 石川島播磨重工業株式会社 | Fluid mixing pipe |
| JP2007120755A (en) * | 2005-09-29 | 2007-05-17 | Mitsubishi Heavy Ind Ltd | Pipe including fluid mixing zone |
| CN200961767Y (en) * | 2006-06-05 | 2007-10-17 | 罗志军 | Three-way for heat mixing |
| CN202252534U (en) * | 2011-08-25 | 2012-05-30 | 中国石油化工集团公司 | Sleeve lateral tee |
| CN202302506U (en) * | 2011-11-07 | 2012-07-04 | 中国石油化工股份有限公司 | Tee for mixing cold and hot fluids |
| CN104315285A (en) * | 2014-10-09 | 2015-01-28 | 河北工业大学 | Cold and hot fluid mixing tee-joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106481924A (en) | 2017-03-08 |
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