CN202302506U - Tee for mixing cold and hot fluids - Google Patents
Tee for mixing cold and hot fluids Download PDFInfo
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- CN202302506U CN202302506U CN2011204509188U CN201120450918U CN202302506U CN 202302506 U CN202302506 U CN 202302506U CN 2011204509188 U CN2011204509188 U CN 2011204509188U CN 201120450918 U CN201120450918 U CN 201120450918U CN 202302506 U CN202302506 U CN 202302506U
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- double
- inner sleeve
- deck inner
- cold fluid
- straight length
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Abstract
The utility model discloses a tee for mixing cold and hot fluids, aiming at solving the problem that thermal fatigue failure is easy to occur at a connecting part between a cold fluid inlet pipe and a main pipe of a conventional tee. The tee disclosed by the utility model is composed of a main pipe (1) and a cold fluid inlet pipe (2), wherein the cold fluid inlet pipe is provided with an inlet pipe (3), a transition section (4), an outer sleeve (5) and a double-layer inner sleeve (6). The double-layer inner sleeve is composed of an inner pipe (61), an outer pipe and a sole plate (64); and the top parts of both the inner pipe and the outer pipe are connected to the transition section. The sole plate of the double-layer inner sleeve is integrally ring-shaped; and the cross section of the sole plate is a circular arc which is bent downwards. The bottom of the sole plate is flushed with the top of the inner wall of the main pipe and is provided with an open hole (65). Gaps remain respectively between the double-layer inner sleeve and the outer sleeve and between the inner pipe and the outer pipe of the double-layer inner sleeve. The tee for mixing the cold and hot fluids, disclosed by the utility model, is mainly used in devices, such as hydrofining and hydroprocessing devices in oil refining industries and is used for mutually mixing cold and hot fluids.
Description
Technical field
The utility model relates to a kind of threeway that cold fluid and hot fluid mixes that is used for.
Background technique
In industries such as oil, chemical industry, cold and hot two fluid streams are mixed each other, can propose very high requirement to hybrid element.The more existing threeway that is used for the cold fluid and hot fluid mixing is made up of the person in charge and the cold fluid inlet duct of single layer structure.The cold fluid inlet duct and the person in charge's connection part under the situation higher in the hot fluid temperature, that the cold fluid and hot fluid temperature difference is bigger, can receive the effect of complicated alternating stress, is easy to occur thermal fatigue failure.The simple wall thickness that increases threeway can not address this problem.Can ftracture behind the thermal fatigue failure appears in this connection part, causes the improper shut-down of tooling.
Summary of the invention
The purpose of the utility model provides a kind of threeway that cold fluid and hot fluid mixes that is used for, to solve the problem that the existing connection part that is used for the existing cold fluid inlet duct of threeway that cold fluid and hot fluid mixes and the person in charge is easy to occur thermal fatigue failure.
For addressing the above problem, the technological scheme that the utility model adopts is: a kind of threeway that is used for the cold fluid and hot fluid mixing, form by the person in charge and cold fluid inlet duct; It is characterized in that: the cold fluid inlet duct is provided with inlet duct, changeover portion, outer sleeve, double-deck inner sleeve, and the diameter of outer sleeve is greater than the diameter of inlet duct, and the bottom of outer sleeve links to each other with the person in charge; Changeover portion is located between the top of bottom and outer sleeve of inlet duct; Double-deck inner sleeve is made up of interior pipe, outer tube and base plate, and the top of interior pipe and outer tube is connected on the changeover portion, and the base plate of double-deck inner sleeve is ring on the whole; Cross section is reclinate circular arc; The bottom of base plate and the top flush of being responsible for inwall which is provided with perforate, and the bottom of interior pipe links to each other with the internal circle edge of base plate; The bottom of outer tube links to each other with the outer circular edge of base plate, between double-deck inner sleeve and the outer sleeve, leave the gap respectively between the interior pipe of double-deck inner sleeve and the outer tube.
Adopt the utility model, have following beneficial effect: in use, cold fluid is responsible for through the center hole entering of inlet duct and double-deck inner sleeve and is mixed with hot fluid.Because cold fluid does not contact with the outer sleeve and the person in charge's connection part; Make this connection part obtain protection; Prevented this connection part owing to the cold fluid and hot fluid temperature difference receives the effect of complicated alternating stress greatly, thereby can avoid thermal fatigue failure occurring, ftractureing at this connection part.Like this, just can not cause the improper shut-down of tooling, ensure the tooling long-term operation because of above-mentioned reason.
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.Accompanying drawing and embodiment do not limit the scope of the utility model requirement protection.
Description of drawings
Fig. 1 is a kind of sectional view that is used for the threeway of cold fluid and hot fluid mixing of the utility model.
Fig. 2 is the sectional view that the another kind of the utility model is used for the threeway of cold fluid and hot fluid mixing.
Among Fig. 1 and Fig. 2, same reference numerals is represented identical technical characteristics.
Embodiment
Referring to Fig. 1 and Fig. 2, the utility model is used for the threeway (abbreviating threeway as) that cold fluid and hot fluid mixes, and is made up of with cold fluid inlet duct 2 person in charge 1.Cold fluid inlet duct 2 normally is provided with (like Fig. 1, shown in Figure 2) perpendicular to being responsible for 1, also can favour to be responsible for 1 setting (figure slightly).Cold fluid inlet duct 2 is provided with inlet duct 3, changeover portion 4, outer sleeve 5, double-deck inner sleeve 6, and the diameter of outer sleeve 5 is greater than the diameter of inlet duct 3.The bottom of outer sleeve 5 be responsible for 1 and link to each other, changeover portion 4 is located between the top of bottom and outer sleeve 5 of inlet duct 3.
Double-deck inner sleeve 6 is made up of interior pipe 61, outer tube and base plate 64, and the top of interior pipe 61 and outer tube is connected on the changeover portion 4.The base plate 64 of double-deck inner sleeve 6 is ring on the whole, and cross section is reclinate circular arc (preferred semicircle).The bottom of base plate 64 and the top flush of being responsible for 1 inwall which is provided with perforate 65.Perforate 65 can be the hole of square opening, circular port, different shape such as tri-angle-holed, offers one or more in the bottom of base plate 64.The bottom of interior pipe 61 links to each other with the internal circle edge of base plate 64, and the bottom of outer tube links to each other with the outer circular edge of base plate 64.The center hole of base plate 64 constitutes double-deck inner sleeve bottom outlet 66.
Between double-deck inner sleeve 6 and the outer sleeve 5, leave the gap respectively between the interior pipe 61 of double-deck inner sleeve 6 and the outer tube.Wherein, the base plate 64 of double-deck inner sleeve 6 and the gap between the outer sleeve 5 are with reference character 7 expressions.Leaving the gap between the interior pipe 61 of double-deck inner sleeve 6 and the outer tube, mainly is to be convenient to the manufacturing of double-deck inner sleeve 6 with fixing.
The wall thickness of double-deck inner sleeve 6 is generally 1~10 millimeter.For Fig. 1, two kinds of threeways shown in Figure 2, the interior pipe 61 of double-deck inner sleeve 6, straight length 62, base plate 64, and the Taper Pipe section 63 of double-deck inner sleeve 6 shown in Figure 1, wall thickness is 1~10 millimeter.Because double-deck inner sleeve 6 employing suspensions are fixing and wall thickness is thinner, so can on a plurality of directions, produce distortion, displacement, are difficult for producing higher local temperature stress, thermal fatigue failure occurring.
A kind of threeway that is used for the cold fluid and hot fluid mixing shown in Figure 1, the outer tube of double-deck inner sleeve 6 is made up of straight length 62 and Taper Pipe section 63.Pipe 61 in straight length 62 is parallel to, the top of straight length 62 is connected on the changeover portion 4.Taper Pipe section 63 is a round table surface shape, and its top links to each other with the bottom of straight length 62, and the bottom links to each other with the outer circular edge of base plate 64.Between the interior pipe 61 of changeover portion 4 and double-deck inner sleeve 6, straight length 62, Taper Pipe section 63 and the base plate 64, constitute the inner chamber of double-deck inner sleeve 6.
Another kind shown in Figure 2 is used for the threeway that cold fluid and hot fluid mixes, and the outer tube of double-deck inner sleeve 6 is a straight length 62.Pipe 61 in straight length 62 is parallel to; The top of straight length 62 is connected on the changeover portion 4, and the bottom links to each other with the outer circular edge of base plate 64.Between the interior pipe 61 of changeover portion 4 and double-deck inner sleeve 6, straight length 62 and the base plate 64, constitute the inner chamber of double-deck inner sleeve 6.
Each parts of the utility model threeway can use material manufacture such as identical carbon steel, alloyed steel, stainless steel or nichrome.The preferred version of the utility model is, for Fig. 1, two kinds of threeways shown in Figure 2, the straight length 62 material coefficient of thermal expansion coefficients of double-deck inner sleeve 6 are greater than interior pipe 61 material coefficient of thermal expansion coefficients.For example, the material of the straight length 62 of double-deck inner sleeve 6 is an Austenitic Stainless Steel, and the material of interior pipe 61 is carbon steel or nichrome.After double-deck inner sleeve 6 was heated, because of the amount of deformation of straight length 62 amount of deformation greater than interior pipe 61, double-deck inner sleeve 6 produced inside bending deflection from top to bottom, makes the reduced of double-deck inner sleeve bottom outlet 66; Cold fluid 8 can flow out, get into and be responsible for 1 and mix with hot fluid 9 from double-deck inner sleeve bottom outlet 66 with flow velocity faster, can improve mixing efficiency.
The utility model Fig. 1, two kinds of threeways shown in Figure 2 are responsible for 1, inlet duct 3, outer sleeve 5, and the interior pipe 61 of double-deck inner sleeve 6, straight length 62, generally are the rounded straight tube of cross section.Changeover portion 4 is identical with the Taper Pipe section 63 of double-deck inner sleeve 6 shown in Figure 1, is round table surface shape.Inlet duct 3, outer sleeve 5, and the interior pipe 61 of double-deck inner sleeve 6, straight length 62, base plate 64 also have the Taper Pipe section 63 of double-deck inner sleeve 6 shown in Figure 1, general coaxial setting.Each parts of the utility model threeway mix the contacted surface of fluid-mixing that the back forms with cold fluid, hot fluid or cold fluid and hot fluid, all can built-up welding or spraying abrasion-proof decreases, resistant to elevated temperatures alloy material.
The utility model Fig. 1, two kinds of threeways shown in Figure 2 are in use; Hot fluid 9 is got into by an end of being responsible for 1 and is responsible in 1; Cold fluid 8 gets into through the center hole of inlet duct 3 and double-deck inner sleeve 6 and is responsible for 1 and mixes with hot fluid, mixes the other end outflow by the person in charge 1 of fluid-mixing 10 that the back forms.Cold fluid 8 and hot fluid 9 can be liquid or gas.In the mixed process, the gap of fluid (referring to cold fluid, hot fluid or fluid-mixing) between gap 7 double-deck inner sleeves 6 of entering and outer sleeve 5 makes this gap be full of the fluid of band pressure; Simultaneously, fluid makes the inner chamber of double-deck inner sleeve 6 also be full of the fluid of being with pressure through the inner chamber of the double-deck inner sleeve 6 of perforate 65 entering; Being responsible in 1 and flowing in the center hole with double-deck inner sleeve 6, also is the fluid of band pressure.So the interior pipe 61 of double-deck inner sleeve 6, straight length 62, base plate 64 also have the Taper Pipe section 63 of double-deck inner sleeve 6 shown in Figure 1, there is not pressure reduction in both sides, and force-bearing situation is better.
After mixed process stopped, the fluid in the gap between double-deck inner sleeve 6 and the outer sleeve 5 is 7 outflows from the gap, and the fluid in the inner chamber of double-deck inner sleeve 6 flows out from perforate 65.
The utility model is mainly used in devices such as hydrofinishing in the petroleum refining industry, hydrotreatment, hydrocracking, residual hydrogenation, is used for the mixed each other of cold and hot two fluid streams.The occasion that other cold fluid and hot fluid mixes in the industry such as oil, chemical industry also can be used the utility model.
Claims (8)
1. one kind is used for the threeway that cold fluid and hot fluid mixes; Form by being responsible for (1) and cold fluid inlet duct (2); It is characterized in that: cold fluid inlet duct (2) is provided with inlet duct (3), changeover portion (4), outer sleeve (5), double-deck inner sleeve (6), and the diameter of outer sleeve (5) is greater than the diameter of inlet duct (3), and the bottom of outer sleeve (5) links to each other with the person in charge (1); Changeover portion (4) is located between the top of bottom and outer sleeve (5) of inlet duct (3); Double-deck inner sleeve (6) is made up of interior pipe (61), outer tube and base plate (64), and the top of interior pipe (61) and outer tube is connected on the changeover portion (4), and the base plate (64) of double-deck inner sleeve (6) is ring on the whole; Cross section is reclinate circular arc; The top flush of the bottom of base plate (64) and the person in charge (1) inwall which is provided with perforate (65), and the bottom of interior pipe (61) links to each other with the internal circle edge of base plate (64); The bottom of outer tube links to each other with the outer circular edge of base plate (64), between double-deck inner sleeve (6) and the outer sleeve (5), leave the gap respectively between the interior pipe (61) of double-deck inner sleeve (6) and the outer tube.
2. the threeway that is used for the cold fluid and hot fluid mixing according to claim 1, it is characterized in that: the wall thickness of double-deck inner sleeve (6) is 1~10 millimeter.
3. the threeway that is used for the cold fluid and hot fluid mixing according to claim 1 and 2; It is characterized in that: the outer tube of double-deck inner sleeve (6) is made up of straight length (62) and Taper Pipe section (63); Straight length (62) is parallel to interior pipe (61), and the top of straight length (62) is connected on the changeover portion (4), and Taper Pipe section (63) is a round table surface shape; Its top links to each other with the bottom of straight length (62), and the bottom links to each other with the outer circular edge of base plate (64).
4. the threeway that is used for the cold fluid and hot fluid mixing according to claim 3, it is characterized in that: straight length (62) the material coefficient of thermal expansion coefficient of double-deck inner sleeve (6) is greater than interior pipe (61) material coefficient of thermal expansion coefficient.
5. the threeway that is used for the cold fluid and hot fluid mixing according to claim 4, it is characterized in that: the material of the straight length (62) of double-deck inner sleeve (6) is an Austenitic Stainless Steel, and the material of interior pipe (61) is carbon steel or nichrome.
6. the threeway that is used for the cold fluid and hot fluid mixing according to claim 1 and 2; It is characterized in that: the outer tube of double-deck inner sleeve (6) is straight length (62); Straight length (62) is parallel to interior pipe (61); The top of straight length (62) is connected on the changeover portion (4), and the bottom links to each other with the outer circular edge of base plate (64).
7. the threeway that is used for the cold fluid and hot fluid mixing according to claim 6, it is characterized in that: straight length (62) the material coefficient of thermal expansion coefficient of double-deck inner sleeve (6) is greater than interior pipe (61) material coefficient of thermal expansion coefficient.
8. the threeway that is used for the cold fluid and hot fluid mixing according to claim 7, it is characterized in that: the material of the straight length (62) of double-deck inner sleeve (6) is an Austenitic Stainless Steel, and the material of interior pipe (61) is carbon steel or nichrome.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204509188U CN202302506U (en) | 2011-11-07 | 2011-11-07 | Tee for mixing cold and hot fluids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN2011204509188U CN202302506U (en) | 2011-11-07 | 2011-11-07 | Tee for mixing cold and hot fluids |
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CN202302506U true CN202302506U (en) | 2012-07-04 |
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CN2011204509188U Expired - Lifetime CN202302506U (en) | 2011-11-07 | 2011-11-07 | Tee for mixing cold and hot fluids |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105465552A (en) * | 2015-12-17 | 2016-04-06 | 北方华锦化学工业集团有限公司 | Corrosion resistance structure and method for hot-cold low-temperature-separation oil junction of naphthenic-based distillate oil hydrogenation device |
CN106481924A (en) * | 2015-08-26 | 2017-03-08 | 中石化洛阳工程有限公司 | A kind of bushing type blender for cold fluid and hot fluid |
CN111006096A (en) * | 2019-12-30 | 2020-04-14 | 西安交通大学 | Branch type channel structure for inhibiting fatigue damage |
-
2011
- 2011-11-07 CN CN2011204509188U patent/CN202302506U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106481924A (en) * | 2015-08-26 | 2017-03-08 | 中石化洛阳工程有限公司 | A kind of bushing type blender for cold fluid and hot fluid |
CN106481924B (en) * | 2015-08-26 | 2019-03-22 | 中石化洛阳工程有限公司 | A kind of bushing type mixer for cold fluid and hot fluid |
CN105465552A (en) * | 2015-12-17 | 2016-04-06 | 北方华锦化学工业集团有限公司 | Corrosion resistance structure and method for hot-cold low-temperature-separation oil junction of naphthenic-based distillate oil hydrogenation device |
CN111006096A (en) * | 2019-12-30 | 2020-04-14 | 西安交通大学 | Branch type channel structure for inhibiting fatigue damage |
CN111006096B (en) * | 2019-12-30 | 2021-03-16 | 西安交通大学 | Branch type channel structure for inhibiting fatigue damage |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee | ||
CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Patentee after: Sinopec Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee before: Luoyang Petrochemical Engineering Co., China Petrochemical Group Patentee before: Sinopec Corp. |
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CX01 | Expiry of patent term |
Granted publication date: 20120704 |
|
CX01 | Expiry of patent term |