CN105202949A - Controllable-temperature self-cooling protection high-temperature U-tube evaporator - Google Patents
Controllable-temperature self-cooling protection high-temperature U-tube evaporator Download PDFInfo
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- CN105202949A CN105202949A CN201510666260.7A CN201510666260A CN105202949A CN 105202949 A CN105202949 A CN 105202949A CN 201510666260 A CN201510666260 A CN 201510666260A CN 105202949 A CN105202949 A CN 105202949A
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Abstract
The invention discloses a controllable-temperature self-cooling protection high-temperature U-tube evaporator which comprises a tube side cylinder 12, a shell side cylinder 7 and a tube plate 3, wherein the tube plate 3 separates the tube side cylinder 12 and shell side cylinder 7; one end of the tube plate 3 is connected with the tube side cylinder 12, and the other end of the tube plate 3 is connected with the shell side cylinder 7; a central regulating valve 11, a bilateral regulating valve 2 and a guide tube 10 are arranged in the tube side cylinder; a U-tube heat exchanger 5 is arranged in the shell side cylinder 7; and the U-tube heat exchanger is arranged in a center-to-periphery divergent way. The evaporator avoids local stress damage of equipment caused by the expansion of the heat exchange tube.
Description
Technical field
The present invention relates to controllable temperature from cooling protection high temperature U-tube evaporimeter.
Background technology
Along with the raising of national requirements for environmental protection, the recycling of the energy more and more comes into one's own, but the energy regenerating of high temperature or superhigh temperature pressure medium is comparatively difficult, mainly be limited by material bearing capacity in hot environment, particularly ordinary metallic material is when temperature is more than more than 500 DEG C, its allowable design stress is only during normal temperature 1/3, when high-temperature medium is higher, heat transmission equipment material calculated thickness is very thick, exceed current material production capacity sometimes, and high temperature can cause larger swelling stress, heat transmission equipment structural design is caused to realize.
Summary of the invention
In order to realize above-mentioned technical problem, technical scheme of the present invention there is provided a kind of controllable temperature from cooling protection high temperature U-tube evaporimeter.
Technical scheme of the present invention is: controllable temperature is from cooling protection high temperature U-tube evaporimeter, described evaporimeter comprises tube side cylindrical shell 12, shell-side cylinder 7 and tube sheet 3, tube side cylindrical shell 12 and shell-side cylinder 7 separate by tube sheet 3, tube sheet 3 one end connects tube side cylindrical shell 12, and tube sheet 3 other end connects shell-side cylinder 7; Center adjustment valve 11 and bilateral control valve 2 and mozzle 10 is provided with in tube side cylindrical shell; Be provided with U-shaped heat exchanger 5 in shell-side cylinder 7, arrange to surrounding diverging centered by U-tube heat exchanger.
Evaporimeter high-temperature medium enters mozzle 10 from shell side inlet 9, and mozzle 10 is connected with threeway, and high-temperature medium can be shunted to both direction in threeway place, and one end connects U heat exchange 5, and the other end flows to center adjustment valve 11; During normal work, center adjustment valve 11 is closed condition, high-temperature medium all from U heat exchange 5 by carrying out heat exchange, the tube side medium after cooling from be distributed in tube sheet 3 surrounding U heat exchange 5 export flow out, low temperature tube side medium continues through bilateral control valve 2; During normal work, bilateral control valve is complete opening, goes out U heat exchange 5 cryogenic media and carries out low-temperature protection to tube side cylindrical shell 12, finally flows out evaporimeter from tube side outlet 1.
When equipment heat exchange load reduces, according to temperature control, center adjustment valve 11 requires that part is opened, part high-temperature medium is directly shunted and does not carry out heat exchange, bilateral control valve 2 and center adjustment valve 11 are arranged vertically each other, namely when center adjustment valve 11 is opened gradually, bilateral control valve 2 cuts out gradually, another part high-temperature medium carries out heat exchange through U heat exchange 5, tube side medium after cooling and the part of shunting tube side medium of not lowering the temperature mixes, mixed tube side medium temperature reaches required temperature control and requires temperature range, according to this principle of control temperature, when heat exchange load reduces gradually, the high-temperature medium being diverted to cylindrical shell 12 from center control valve 11 accounts for total flow ratio and progressively improves, the high-temperature medium being diverted to U-shaped heat exchanger from center control valve 11 accounts for total flow ratio progressively to be reduced.
U heat exchange 5 porch is provided with protective casing 4, is provided with insulating ceramic fiber outside protective casing 4, simultaneously U heat exchange 5 arrival end tube sheet 3 surface application insulated lining material.
Low temperature shell side medium enters shell-side cylinder 7 from shell side inlet 8, carries out heat exchange with the tube side high-temperature medium in U heat exchange 5, and heat absorption shell side medium flows out evaporimeter from shell-side outlet 6.
The present invention also has following beneficial effect:
1, this evaporimeter adopts U-tube, and the local stress that the equipment that avoids causes because of the expansion of heat exchanger tube is damaged;
2, heat exchange tube inlet end applies heat proof material and arranges protective casing, avoids tube sheet to damage by high-temperature medium;
3, U heat exchange center is arranged to surrounding divergence expression, and tube sheet is heated evenly in circumference, avoids tube sheet inequality of being heated to cause local stress to damage;
4, U-tube outlet is arranged in surrounding, and the low temperature tube side medium after cooling carries out low-temperature protection to tube side cylindrical shell;
5, temperature control control valve is set in tube side, under adapting to various heat exchange load, keeps evaporimeter tube side outlet temperature.
Accompanying drawing explanation
Fig. 1 is that controllable temperature is from cooling protection high temperature U-tube evaporimeter schematic diagram.
Fig. 2 U heat exchange ingress protection sleeve pipe partial enlarged drawing.
Description of reference numerals: tube side outlet 1, bilateral control valve 2, tube sheet 3, protective casing 4, U heat exchange 5, shell-side outlet 6, shell-side cylinder 7, shell side inlet 8, shell side inlet 9, mozzle 10, center adjustment valve 11, tube side cylindrical shell 12.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment
Evaporimeter high-temperature medium enters mozzle 10 from shell side inlet 9, mozzle 10 material is high temperature resistant, corrosion-resistant stainless steel or nickel-base material, and mozzle 10 is connected with threeway, and high-temperature medium can be shunted to both direction in threeway place, one end connects U heat exchange 5, and the other end flows to center adjustment valve 11.During normal work, center adjustment valve 11 is closed condition; high-temperature medium all from U heat exchange 5 by carrying out heat exchange; tube side medium after cooling exports from the U heat exchange 5 being distributed in tube sheet 3 surrounding and flows out; namely enter in the tube side cylindrical shell 12 on the left of tube sheet 3; low temperature tube side medium continues through bilateral control valve 2; during normal work, bilateral control valve is complete opening; go out U heat exchange 5 cryogenic media and low-temperature protection is carried out to tube side cylindrical shell 12, finally flow out evaporimeter (tube side cylindrical shell 12 is divided into two cavitys by bilateral control valve 2) from tube side outlet 1.When equipment heat exchange load reduces, equipment heat exchange area surplus capacity is larger, according to temperature control, center adjustment valve 11 requires that part is opened, part high-temperature medium is directly shunted and does not carry out heat exchange, bilateral control valve 2 and center adjustment valve 11 are arranged vertically (when namely center adjustment valve 11 is opened gradually each other, bilateral control valve 2 cuts out gradually), another part high-temperature medium carries out heat exchange through U heat exchange 5, tube side medium after cooling and the part of shunting tube side medium of not lowering the temperature mixes, mixed tube side medium temperature reaches required temperature control and requires temperature range, according to this principle of control temperature, when heat exchange load reduces gradually, the high-temperature medium being diverted to cylindrical shell 12 from center control valve 11 accounts for total flow ratio and progressively improves, the high-temperature medium being diverted to U-shaped heat exchanger from center control valve 11 accounts for total flow ratio progressively to be reduced.U heat exchange 5 porch is provided with protective casing 4, is provided with insulating ceramic fiber outside protective casing 4, simultaneously U heat exchange 5 arrival end tube sheet 3 surface application insulated lining material, and the effect of heat-insulating material is that isolated high temperature tube side high-temperature medium is to the damage of tube sheet.
Low temperature shell side medium enters shell-side cylinder 7 from shell side inlet 8, carries out heat exchange with the tube side high-temperature medium in U heat exchange 5, and heat absorption shell side medium flows out evaporimeter from shell-side outlet 6.
Fig. 2 is heat exchange tube inlet protective casing structure partial schematic diagram; ingress protection sleeve pipe 4 inserts U heat exchange 5 porch; at heat-insulating materials such as ingress protection sleeve pipe 4 outer wall parcel ceramic fibres; high temperature tube side medium is avoided to produce thermal stress damage to tube sheet 3 and heat exchanger tube 5; avoid producing film boiling at tube sheet 3 and heat exchanger tube 5 arrival end and causing the damage of equipment, the design of protective casing 4 horn mouth reduces entrance local resistance when tube side medium flows to protective casing 4 simultaneously.
Claims (5)
1. controllable temperature is from cooling protection high temperature U-tube evaporimeter, it is characterized in that: described evaporimeter comprises tube side cylindrical shell (12), shell-side cylinder (7) and tube sheet (3), tube side cylindrical shell (12) and shell-side cylinder (7) separate by tube sheet (3), tube sheet (3) one end connects tube side cylindrical shell (12), and tube sheet (3) other end connects shell-side cylinder (7); Center adjustment valve (11) and bilateral control valve (2) and mozzle (10) is provided with in tube side cylindrical shell; Be provided with U-shaped heat exchanger (5) in shell-side cylinder (7), arrange to surrounding diverging centered by U-tube heat exchanger.
2. controllable temperature according to claim 1 is from cooling protection high temperature U-tube evaporimeter, it is characterized in that: evaporimeter high-temperature medium enters mozzle (10) from shell side inlet (9), mozzle (10) is connected with threeway, high-temperature medium can be shunted to both direction in threeway place, one end connects U heat exchange (5), and the other end flows to center adjustment valve (11); During normal work, center adjustment valve (11) is closed condition, high-temperature medium all from U heat exchange (5) by carrying out heat exchange, tube side medium after cooling flows out from U heat exchange (5) outlet being distributed in tube sheet (3) surrounding, and low temperature tube side medium continues through bilateral control valve (2); During normal work, bilateral control valve is complete opening, goes out U heat exchange (5) cryogenic media and carries out low-temperature protection to tube side cylindrical shell (12), finally flows out evaporimeter from tube side outlet (1).
3. controllable temperature according to claim 2 is from cooling protection high temperature U-tube evaporimeter, it is characterized in that: when equipment heat exchange load reduces, according to temperature control, center adjustment valve (11) requires that part is opened, part high-temperature medium is directly shunted and does not carry out heat exchange, bilateral control valve (2) and center adjustment valve (11) are arranged vertically each other, namely when center adjustment valve (11) is opened gradually, bilateral control valve (2) cuts out gradually, another part high-temperature medium carries out heat exchange through U heat exchange (5), tube side medium after cooling and the part of shunting tube side medium of not lowering the temperature mixes, mixed tube side medium temperature reaches required temperature control and requires temperature range, according to this principle of control temperature, when heat exchange load reduces gradually, the high-temperature medium being diverted to tube side cylindrical shell (12) from center control valve (11) accounts for total flow ratio and progressively improves, the high-temperature medium being diverted to U-shaped heat exchanger from center control valve (11) accounts for total flow ratio progressively to be reduced.
4. according to the controllable temperature one of claim 1-3 Suo Shu from cooling protection high temperature U-tube evaporimeter; it is characterized in that: U heat exchange (5) porch is provided with protective casing (4); protective casing (4) outside is provided with insulating ceramic fiber, simultaneously U heat exchange (5) arrival end tube sheet (3) surface application insulated lining material.
5. according to the controllable temperature one of claim 1-3 Suo Shu from cooling protection high temperature U-tube evaporimeter; it is characterized in that: low temperature shell side medium enters shell-side cylinder (7) from shell side inlet (8); carry out heat exchange with the tube side high-temperature medium in U heat exchange (5), heat absorption shell side medium flows out evaporimeter from shell-side outlet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666260.7A CN105202949A (en) | 2015-10-15 | 2015-10-15 | Controllable-temperature self-cooling protection high-temperature U-tube evaporator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666260.7A CN105202949A (en) | 2015-10-15 | 2015-10-15 | Controllable-temperature self-cooling protection high-temperature U-tube evaporator |
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| CN105202949A true CN105202949A (en) | 2015-12-30 |
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| CN201510666260.7A Pending CN105202949A (en) | 2015-10-15 | 2015-10-15 | Controllable-temperature self-cooling protection high-temperature U-tube evaporator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440877A (en) * | 2016-10-31 | 2017-02-22 | 南京天华化学工程有限公司 | Double-sleeve chilling type heat exchanger applied to coal chemical industry |
| CN109253635A (en) * | 2018-09-13 | 2019-01-22 | 茂名重力石化装备股份公司 | A kind of double-jacket tube rapid-cooling heat exchanger |
| CN109269323A (en) * | 2018-08-31 | 2019-01-25 | 安徽普生源生物科技有限公司 | A kind of good antiscale property heat exchanger |
| CN111664731A (en) * | 2020-05-21 | 2020-09-15 | 江苏远卓设备制造有限公司 | Long-flow plate heat exchanger |
| CN112334730A (en) * | 2018-06-22 | 2021-02-05 | 巴斯夫欧洲公司 | Heat exchanger |
| CN112944956A (en) * | 2021-02-22 | 2021-06-11 | 哈尔滨锅炉厂有限责任公司 | U-shaped tubular heat exchanger with high-temperature and high-pressure tube pass structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401153A (en) * | 1980-06-14 | 1983-08-30 | Uhde Gmbh | Heat exchanger incorporating nitriding-resistant material |
| EP1519134A2 (en) * | 2003-09-24 | 2005-03-30 | OLMI S.p.A. | Heat exchanger |
| CN103471431A (en) * | 2013-09-26 | 2013-12-25 | 上海锅炉厂有限公司 | Fixed tube-sheet heat exchanger with temperature control function |
| CN203534278U (en) * | 2013-09-26 | 2014-04-09 | 上海锅炉厂有限公司 | Disc-circular ring baffle plate floating head heat exchanger with temperature control function |
| CN205138268U (en) * | 2015-10-15 | 2016-04-06 | 上海锅炉厂有限公司 | Controllable temperature is from cooling and protection high temperature U type pipe evaporimeter |
-
2015
- 2015-10-15 CN CN201510666260.7A patent/CN105202949A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4401153A (en) * | 1980-06-14 | 1983-08-30 | Uhde Gmbh | Heat exchanger incorporating nitriding-resistant material |
| EP1519134A2 (en) * | 2003-09-24 | 2005-03-30 | OLMI S.p.A. | Heat exchanger |
| CN103471431A (en) * | 2013-09-26 | 2013-12-25 | 上海锅炉厂有限公司 | Fixed tube-sheet heat exchanger with temperature control function |
| CN203534278U (en) * | 2013-09-26 | 2014-04-09 | 上海锅炉厂有限公司 | Disc-circular ring baffle plate floating head heat exchanger with temperature control function |
| CN205138268U (en) * | 2015-10-15 | 2016-04-06 | 上海锅炉厂有限公司 | Controllable temperature is from cooling and protection high temperature U type pipe evaporimeter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106440877A (en) * | 2016-10-31 | 2017-02-22 | 南京天华化学工程有限公司 | Double-sleeve chilling type heat exchanger applied to coal chemical industry |
| CN112334730A (en) * | 2018-06-22 | 2021-02-05 | 巴斯夫欧洲公司 | Heat exchanger |
| CN109269323A (en) * | 2018-08-31 | 2019-01-25 | 安徽普生源生物科技有限公司 | A kind of good antiscale property heat exchanger |
| CN109253635A (en) * | 2018-09-13 | 2019-01-22 | 茂名重力石化装备股份公司 | A kind of double-jacket tube rapid-cooling heat exchanger |
| CN111664731A (en) * | 2020-05-21 | 2020-09-15 | 江苏远卓设备制造有限公司 | Long-flow plate heat exchanger |
| CN112944956A (en) * | 2021-02-22 | 2021-06-11 | 哈尔滨锅炉厂有限责任公司 | U-shaped tubular heat exchanger with high-temperature and high-pressure tube pass structure |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20151230 |