CN205138268U - Controllable temperature is from cooling and protection high temperature U type pipe evaporimeter - Google Patents
Controllable temperature is from cooling and protection high temperature U type pipe evaporimeter Download PDFInfo
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- CN205138268U CN205138268U CN201520797996.3U CN201520797996U CN205138268U CN 205138268 U CN205138268 U CN 205138268U CN 201520797996 U CN201520797996 U CN 201520797996U CN 205138268 U CN205138268 U CN 205138268U
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Abstract
The utility model discloses a controllable temperature is from cooling and protection high temperature U type pipe evaporimeter, evaporimeter include pipe pass cylinder body 12, shell cylinder body 7 and tube sheet 3, and pipe pass cylinder body 12 and shell cylinder body 7 branch are severed to tube sheet 3, and pipe pass cylinder body 12 is connected to 3 one end of tube sheet, and shell cylinder body 7 is connected to 3 other ends of tube sheet, be equipped with centring control valve 11 and two side governing valves 2 and honeycomb duct 10 in the pipe pass cylinder body, it arranges for dispersing shape around the well mind -set to be equipped with 5, U on U type heat exchanger type heat exchange of heat pipe in the shell cylinder body 7. Avoided equipment to damage because of the local stress that the inflation of heat exchange tube leads to.
Description
Technical field
The utility model 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.
Utility model content
In order to realize above-mentioned technical problem, the technical solution of the utility model there is provided a kind of controllable temperature from cooling protection high temperature U-tube evaporimeter.
The technical solution of the utility model 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 utility model 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 utility model 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 |
|---|---|---|---|
| CN201520797996.3U CN205138268U (en) | 2015-10-15 | 2015-10-15 | Controllable temperature is from cooling and protection high temperature U type pipe evaporimeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520797996.3U CN205138268U (en) | 2015-10-15 | 2015-10-15 | Controllable temperature is from cooling and protection high temperature U type pipe evaporimeter |
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| CN205138268U true CN205138268U (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520797996.3U Active CN205138268U (en) | 2015-10-15 | 2015-10-15 | Controllable temperature is from cooling and protection high temperature U type pipe evaporimeter |
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| CN (1) | CN205138268U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202949A (en) * | 2015-10-15 | 2015-12-30 | 上海锅炉厂有限公司 | Controllable-temperature self-cooling protection high-temperature U-tube evaporator |
| CN110595232A (en) * | 2019-09-17 | 2019-12-20 | 华陆工程科技有限责任公司 | Special U-shaped tubular heat exchanger tube box structure |
| CN110595232B (en) * | 2019-09-17 | 2024-07-02 | 华陆工程科技有限责任公司 | Special U-shaped tube type heat exchanger tube box structure |
-
2015
- 2015-10-15 CN CN201520797996.3U patent/CN205138268U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202949A (en) * | 2015-10-15 | 2015-12-30 | 上海锅炉厂有限公司 | Controllable-temperature self-cooling protection high-temperature U-tube evaporator |
| CN110595232A (en) * | 2019-09-17 | 2019-12-20 | 华陆工程科技有限责任公司 | Special U-shaped tubular heat exchanger tube box structure |
| CN110595232B (en) * | 2019-09-17 | 2024-07-02 | 华陆工程科技有限责任公司 | Special U-shaped tube type heat exchanger tube box structure |
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