CN106323047A - Heating device used for high-pressure fluid media - Google Patents
Heating device used for high-pressure fluid media Download PDFInfo
- Publication number
- CN106323047A CN106323047A CN201610792616.6A CN201610792616A CN106323047A CN 106323047 A CN106323047 A CN 106323047A CN 201610792616 A CN201610792616 A CN 201610792616A CN 106323047 A CN106323047 A CN 106323047A
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- CN
- China
- Prior art keywords
- shell
- tube
- shaped tube
- tube bundle
- bundle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/06—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits having a single U-bend
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
- F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
- F28F21/081—Heat exchange elements made from metals or metal alloys
- F28F21/082—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys
- F28F21/083—Heat exchange elements made from metals or metal alloys from steel or ferrous alloys from stainless steel
Abstract
The invention discloses a heating device used for high-pressure fluid media. The heating device comprises a U-shaped tube bundle and a tube shell, the U-shaped tube bundle is arranged in a ladder arrangement manner, the tube shell is a U-shaped tube shell, the U-shaped tube bundle is arranged in the tube shell, a gas outlet and a gas inlet are formed in the side faces of the upper end and the lower end of the U-shaped tube shell correspondingly, the two ends of the U-shaped tube shell are in sealed connection with a lower tube plate and an upper tube plate, the U-shaped tube shell is covered with an outer shell, heat-preservation filler is arranged at the position between the U-shaped tube shell and the outer shell, a baffle plate is placed between the U-shaped tube bundle and the U-shaped tube shell, a combustion constant-temperature box of a combustor is communicated with the U-shaped tube bundle, the combustor generates high-temperature smoke, and the combustion constant-temperature box ensures that gas flowing in the U-shaped tube bundle is maintained within the relatively-stable temperature range. According to the device, hot stress of the tube bundle and the tube shell can be released at the same time, heat exchange efficiency is maximal, and the heating device is suitable for heating the high-pressure fluid media.
Description
Technical field
The present invention relates to the shell-and-tube heat exchanger technical field in New Equipment Engineering, particularly relate to for energy extraction, stone
Oiling work, coal chemical industry, the special a kind of heater for high-pressure fluid medium of heat exchange of chemical fertilizer industry.
Background technology
In prior art, various types of heat exchanger a multitude of names, but still have a problem that, it is impossible to realize high temperature simultaneously
The operating mode heat exchange of (600 DEG C) high pressure (5MPa).
Its scope used of chimney heat exchanger, in flue, is substantially made up of heat exchanger tube and heat exchange box, changes including by many
Heat pipe two ends insert upper perforated plate and the tube bank of lower perforated plate composition respectively, are air flow channel in heat exchanger tube, multiple heat exchanger tubes of tube bank
Between be flue gas flow channel, connecting on the top of tube bank has an air in/out collecting box, restrain by articulation set case make air successively from
The heat exchanger tube of multi units tube bundle flows through.Flue changes common structure as it is shown in figure 1, chimney heat exchanger is high temperature resistant, but the most high pressure resistant, cigarette
Road heat exchanger has hot-blast outlet A, cold wind import B, gas approach C and exhanst gas outlet D.
Shell-and-tube heat exchanger is a kind of heat exchanger being most widely used at present, and shell-and-tube heat exchanger is also called shell and tube
Heat exchanger or shell and tube condenser, be widely used in the fields such as chemical industry, oil, medicine, food, light industry, metallurgy, coking
The convection heat transfer' heat-transfer by convection of " gas-gas, solution-air, liquid-liquid, liquid-gas " heat exchange, and the heat exchange such as steam condensation and liquid evaporation heat transfer is cold
Solidifying flow process.
The common structure of U-tube shell heat exchanger of the prior art is as in figure 2 it is shown, be usually by tube bank 2, shell 3, pipe
Case 4 component forms, and wherein, tube bank 2 is the core component of shell-and-tube heat exchanger, tube bank 2 generally by heat exchanger tube 1, support plate (or
Deflection plate), tube sheet composition, rows of heat exchanger tube 1 is supported by support plate (or deflection plate), and the pore of tube sheet is pierced at its two ends
In, and be connected with tube sheet, thus ensure sealing and the intensity of joint.By the combination of tube bank 2 with the dividing plate of bobbin carriage 4, can
So that heat exchanger tube 1 is divided into several flow process, in order to medium flows in heat exchanger tube 1 back and forth such that it is able to extend heat exchange process, increase
Heat-exchange time, fully with pipe outside shell side media for heat exchange.
Along with social economy and the development of technology, the construction scale of petrochemical plant is increasing, changing of heat exchanger
Heat energy power and the condition of use require more and more higher,.
Current heat exchanger has the disadvantage that
One, when recuperated gas temperature is too high, the temperature difference of U-tube bundle and shell is excessive, can produce very big axial
Thermal stress, and one end of existing U-tube bundle is welded on same tube sheet, thermal stress release not exclusively.
Its two, current U-tube shell heat exchanger, its shell is to be separated by central dividing plate, formed U-tube shell.Such one
Coming, dividing plate both sides are respectively high-temperature region and low-temperature space, and the material of usual dividing plate is all metal, and heat will be occurred at dividing plate short
Road, reduces heat exchange efficiency.
Its three, existing heat exchanger cannot realize high temperature (600 DEG C) and the operating mode heat exchange of high pressure (5MPa) simultaneously.
Therefore, improve for above-mentioned problems of the prior art, have in field of engineering technology the most far-reaching
With great meaning.
Summary of the invention
It is an object of the invention to overcome weak point of the prior art, and provide one can discharge simultaneously tube bank and
Shell thermal stress, maximum heat exchange efficiency, and it is applicable to the heater of high-pressure fluid medium heat exchange.
The present invention includes U-tube bundle and shell, and U-tube bundle includes two straight length layers and a U-tube section layer, U-shaped
Tube bank is to be made up of lower straighttube section layer, U-tube section layer and upper straight length layer, the stepped spread configuration of U-tube section layer, above-mentioned skill
Art feature is identical with the structure of shell-and-tube heat exchanger of the prior art.
The present invention thes improvement is that, the variation of shell, and shell is U-tube shell, and U-tube bundle is placed in shell, U
Type tube bank and U-tube shell are coaxially arranged.Side, U-tube shell upper and lower two ends has gas outlet and air inlet, and U-tube shell two ends seal
Connecting and have lower perforated plate and upper perforated plate, jacket is located at outside U-tube shell, and insulation filling materials is placed between U-tube shell and shell, baffling
Plate is placed between U-tube bundle and U-tube shell, both can improve heat-transfer effect, also acts as the effect supporting U-tube bundle, burner
Having burning calorstat, burning calorstat and U-tube Shu Liantong, burner produces high-temperature flue gas, and burning calorstat guarantee flows into U-shaped
The gas of tube bank maintains a metastable temperature range.
Described U-tube shell and U-tube Shu Caiyong 310S rustless steel or Incoloy 800HT material.
Beneficial effects of the present invention:
Compared with prior art, the present invention can discharge tube bank and shell thermal stress, maximum heat exchange efficiency simultaneously, and fits
Heat for high-pressure fluid medium.
Accompanying drawing explanation
Fig. 1 is chimney heat exchanger structural representation.
Fig. 2 is the common structure of shell-and-tube heat exchanger of the prior art.
Fig. 3 be the present invention heater structural representation.
The tube bank of 1----heat exchanger tube, 2----U type, 21----lower straighttube section layer, 22-----U type pipeline section layer, 23----are upper straight
Pipeline section layer, 3----shell, 4----bobbin carriage, 5----gas outlet, 6----air inlet, 7----lower perforated plate, 8-----upper perforated plate,
9----shell, 10----insulation filling materials, 11----burn constant temperature chamber, 12----burner, 13----deflection plate.
Detailed description of the invention
Embodiment 1:
Refering to shown in Fig. 3, the present invention includes U-tube bundle 2 and shell 3, and U-tube bundle 2 includes two straight length layers and
Individual U-tube section layer, U-tube bundle 2 is to be made up of lower straighttube section layer 21, U-tube section layer 22 and upper straight length layer 23, U-tube section layer
22 stepped spread configurations, above-mentioned technical characteristic is identical with the structure of shell-and-tube heat exchanger of the prior art.
The present invention thes improvement is that, as shown in Figures 2 and 3, the variation of shell 3, straight by Fig. 2 of shell 3
Cartridge type, change in Fig. 3 is U-shaped, and shell 3 is U-tube shell, and U-tube bundle 2 is placed in shell 3, and U-tube bundle 2 and U-tube shell are coaxial
Arrange.Side, U-tube shell upper and lower two ends has gas outlet 5 and air inlet 6, and U-tube shell two ends are sealedly connected with lower perforated plate 7 and upper
Tube sheet 8, shell 9 is located at outside U-tube shell, and insulation filling materials 10 is placed between U-tube shell and shell 9, and deflection plate 13 is placed in U-shaped
Between tube bank 2 and U-tube shell, both can improve heat-transfer effect, and also act as the effect supporting U-tube bundle 2, burner 12 has burning
Calorstat 11, burning calorstat 11 connects with U-tube bundle 2, and burner 12 produces high-temperature flue gas, and burning calorstat 11 ensures to flow into
The gas of U-tube bundle 2 maintains a metastable temperature range.
Described U-tube shell and U-tube bundle 2 use 310S rustless steel or Incoloy 800HT material.
Compared with prior art, the U-tube bundle 2 in the present invention be heated be deformed time, lower straighttube section layer 21 and upper directly
Pipeline section layer 23 can the most freely extend, and relative to the existing U-tube bundle being fixed on same tube sheet, two ends are respectively
The U-tube bundle 2 being fixed on two pieces of tube sheets has bigger degree of freedom, it is possible to release tube bank simultaneously and shell thermal stress, has more
Good thermal compensation performance.
Wherein, in U-tube bundle 2, process is high temperature and high pressure gas, and high-temperature gas is entered by lower straighttube section layer 21, by upper directly
Pipeline section layer 23 flows out.What the space between U-tube shell and U-tube bundle 2 flowed through is high pressure gas to be heated, and air inlet is 6, gas outlet
It is 5.The flow direction of high-temperature gas and high pressure gas to be heated is contrary, and is each completely independent, do not have conventional u-shaped heat exchanger shell every
The heat short circuit of plate, and then it is beneficial to heat exchange more fully, it is achieved maximum heat exchange efficiency.Wherein, heater heat exchanging part material
Select the corrosion-and high-temp-resistant materials such as 310S.
U-tube shell and U-tube bundle 2 use 310S rustless steel or Incoloy 800HT material, because nickel (Ni), chromium (Cr) contain
Amount height, has good oxidation, corrosion-resistant, acid and alkali-resistance, a resistance to elevated temperatures, at high temperature can continuous operation, thus can be used for height
Temperature high pressure operating mode, tube bank quality is high, and service life is long.
Traditional U-tube shell heat exchanger is extensively applied in the heat exchangers such as various oil refining, chemical industry, chemical fertilizer, air cooling,
And create huge economic benefit.The present invention has release U-tube bundle 2 and shell 3 thermal stress, heat exchange efficiency simultaneously
Maximize, and be applicable to high temperature, the feature of high-pressure fluid medium heat exchange, it is possible to expand the application model of existing shell-and-tube heat exchanger
Enclose.
Embodiment 2:
: as it is shown on figure 3, the main technical schemes of the present embodiment is same as in Example 1, the most unaccounted spy
Levy, use the explanation in embodiment 1, no longer repeat at this.The present embodiment is with the difference of embodiment 1, U-tube bundle 2
Interior process is high temperature and high pressure gas, and high-temperature gas is entered by lower straighttube section layer 21, upper straight length layer 23 flow out.U-tube shell
With the space between U-tube bundle 2 flows through is cryogenic high pressure liquid, air inlet 6 enter, flow out from gas outlet 5.Can realize pipe
The heating of bundle cryogenic high pressure liquid.
Claims (2)
1. the heater for high-pressure fluid medium, it is characterised in that: include U-tube bundle (2) and shell (3), U-shaped
Tube bank (2) is to be made up of lower straighttube section layer (21), U-tube section layer (22) and upper straight length layer (23), and U-tube section layer (22) is in rank
Scalariform spread configuration, shell (3) is U-tube shell, and U-tube bundle (2) is placed in shell (3), and U-tube bundle (2) and U-tube shell are coaxial
Arrange；Side, U-tube shell upper and lower two ends has gas outlet (5) and air inlet (6), and U-tube shell two ends are sealedly connected with lower perforated plate
And upper perforated plate (8) (7), shell (9) is located at outside U-tube shell, and insulation filling materials (10) is placed between U-tube shell and shell (9),
Deflection plate (13) is placed between U-tube bundle (2) and U-tube shell, and burner (12) has burning calorstat (11), and burn calorstat
(11) connect with U-tube bundle (2).
A kind of heater for high-pressure fluid medium the most according to claim 1, it is characterised in that: described U-tube
Shell and U-tube bundle (2) use 310S rustless steel or Incoloy 800HT material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792616.6A CN106323047A (en) | 2016-08-31 | 2016-08-31 | Heating device used for high-pressure fluid media |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610792616.6A CN106323047A (en) | 2016-08-31 | 2016-08-31 | Heating device used for high-pressure fluid media |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106323047A true CN106323047A (en) | 2017-01-11 |
Family
ID=57789521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610792616.6A Pending CN106323047A (en) | 2016-08-31 | 2016-08-31 | Heating device used for high-pressure fluid media |
Country Status (1)
| Country | Link |
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| CN (1) | CN106323047A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949453A (en) * | 2017-05-05 | 2017-07-14 | 哈电集团（秦皇岛）重型装备有限公司 | Temperature gas cooled reactor steam generator steam (vapor) outlet connecting pipe structure |
| CN107401835A (en) * | 2017-07-10 | 2017-11-28 | 李艺 | A kind of tube side walks hot cigarette shell side and walks oil plant new type of continuous distillation tubular type furnace apparatus |
| CN112682816A (en) * | 2020-12-29 | 2021-04-20 | 连云港虹洋热电有限公司 | Coal-fired boiler tail gas membrane filtration oxygen enrichment recycling device and using method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61223490A (en) * | 1985-03-20 | 1986-10-04 | ヴアレオ | Heat exchanger for car |
| CN101995175A (en) * | 2009-08-21 | 2011-03-30 | 张家港市华凌化工机械有限公司 | Shell-and-tube heat exchanger |
| CN202793096U (en) * | 2012-08-24 | 2013-03-13 | 风凯换热器制造(常州)有限公司 | Hairpin type heat exchanger |
| CN204495127U (en) * | 2015-02-11 | 2015-07-22 | 张诗山 | New U-Shaped Heat Exchanger |
-
2016
- 2016-08-31 CN CN201610792616.6A patent/CN106323047A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61223490A (en) * | 1985-03-20 | 1986-10-04 | ヴアレオ | Heat exchanger for car |
| CN101995175A (en) * | 2009-08-21 | 2011-03-30 | 张家港市华凌化工机械有限公司 | Shell-and-tube heat exchanger |
| CN202793096U (en) * | 2012-08-24 | 2013-03-13 | 风凯换热器制造(常州)有限公司 | Hairpin type heat exchanger |
| CN204495127U (en) * | 2015-02-11 | 2015-07-22 | 张诗山 | New U-Shaped Heat Exchanger |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106949453A (en) * | 2017-05-05 | 2017-07-14 | 哈电集团（秦皇岛）重型装备有限公司 | Temperature gas cooled reactor steam generator steam (vapor) outlet connecting pipe structure |
| CN107401835A (en) * | 2017-07-10 | 2017-11-28 | 李艺 | A kind of tube side walks hot cigarette shell side and walks oil plant new type of continuous distillation tubular type furnace apparatus |
| CN112682816A (en) * | 2020-12-29 | 2021-04-20 | 连云港虹洋热电有限公司 | Coal-fired boiler tail gas membrane filtration oxygen enrichment recycling device and using method |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170111 |
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| WD01 | Invention patent application deemed withdrawn after publication |