CN209263727U - A kind of shell-and-tube fixed tube sheet heat exchanger - Google Patents

A kind of shell-and-tube fixed tube sheet heat exchanger Download PDF

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Publication number
CN209263727U
CN209263727U CN201821736655.5U CN201821736655U CN209263727U CN 209263727 U CN209263727 U CN 209263727U CN 201821736655 U CN201821736655 U CN 201821736655U CN 209263727 U CN209263727 U CN 209263727U
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Prior art keywords
tube
shell
bobbin carriage
heat exchanger
section
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CN201821736655.5U
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Inventor
胡庆均
王繁华
王昆鹏
杨艳姝
张世成
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Sinopec Engineering Group Co Ltd
Sinopec Guangzhou Engineering Co Ltd
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Sinopec Engineering Group Co Ltd
Sinopec Guangzhou Engineering Co Ltd
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Abstract

The utility model discloses a kind of shell-and-tube fixed tube sheet heat exchangers.It is equipped with tube-side inlet bobbin carriage (1), tube side outlet bobbin carriage (2) and at least 2 sections of shell sides.Heat exchanger tube (16) and baffle plate (15) are equipped in each section of shell side, the both ends of heat exchanger tube are fixed on tube sheet (6), and tube sheet is fixed on the both ends of each section of shell side.It is equipped with shell side inlet pipe and shell-side outlet pipe on each section of shell side, is equipped with linkage section (3) between adjacent two sections of shell sides, the adjacent end of heat exchanger tube is connected to by linkage section.In tube-side inlet bobbin carriage and first segment shell side (9) adjacent end, tube side outlet the bobbin carriage end and each section shell side adjacent with final stage the shell side end adjacent with linkage section, tube sheet is connect with bolt with flange (7) or case weld connects.The utility model can be used for the heat exchange of sub-thread tube side side medium and multiply shell side side medium in the industries such as petrochemical industry.

Description

A kind of shell-and-tube fixed tube sheet heat exchanger
Technical field
The utility model belongs to heat exchanger technology field, is related to a kind of shell-and-tube fixed tube sheet heat exchanger.
Background technique
Shell-and-tube exchanger is a kind of industrial widely used heat-exchange apparatus, mainly have floating head type, U-tube formula, Several forms such as fixed tube sheet type, stuffing box type, winding tubular type.There is cold and hot two media in heat exchanger, a kind of medium is in pipe Flowing, referred to as tube side side medium in beam, another medium (restrain outer) flowing in shell, are known as shell side side medium.Two kinds of Jie Matter realizes heat exchange by the inside and outside heat transmitting of tube bank, meets process flow heat transfer requirements.
Existing shell-and-tube fixed tube sheet heat exchanger only supports the heat exchange of sub-thread shell side side medium.Process flow is wanted Ask sub-thread tube side side medium successively with multiply shell side side medium stage-by-stage heat exchange in shell side, there are mainly two types of measure at present: (1) Using more concatenated processing schemes, more heat exchangers are connected.(2) more processing schemes in parallel, Duo Taire are used Exchanger carries out in parallel.Above two scheme is all the shell side that multiply shell side side medium is respectively put into not to heat exchanger on the same stage, Shell side, the respectively requirement with tube side side media for heat exchange are walked to meet multiply shell side side medium;All exist heat exchanger table position it is more, system Make it is at high cost, take up a large area and the problems such as operation and maintenance cost is high, tube side side medium is easy leakage.
Summary of the invention
The purpose of the utility model is to provide a kind of shell-and-tube fixed tube sheet heat exchangers, solid to solve existing shell-and-tube Determine tube sheet heat exchanger require sub-thread tube side side medium successively with multiply shell side side medium stage-by-stage heat exchange, more heat exchanger strings Existing heat exchanger table position is more when joining or being installed in parallel, manufacturing cost is high, take up a large area and operation and maintenance cost is high The problems such as.
To solve the above problems, the technical solution adopted in the utility model is: a kind of shell-and-tube fixed tube sheet heat exchanger, Bobbin carriage, shell side are exported equipped with tube-side inlet bobbin carriage, tube side.Tube-side inlet bobbin carriage is equipped with tube-side inlet pipe, tube-side inlet pipe one As be set to tube-side inlet bobbin carriage end socket on.Tube side exports bobbin carriage and is equipped with tube side outlet, and tube side outlet is generally set to pipe Journey exports on the end socket of bobbin carriage.Shell side is at least arranged 2 sections, is equipped with heat exchanger tube and baffle plate in each section of shell side.Heat exchanger tube Both ends are fixed on tube sheet, and specific practice is: the tube head at heat exchanger tube both ends is divided into welding section and expanded joint section, the pipe being inserted on tube sheet In plate hole.Welding section and tube sheet bore ends are welded, expanded joint section and tubesheet holes inner wall expanded joint.Tube sheet is fixed on the two of each section of shell side End.
It is equipped with shell side inlet pipe and shell-side outlet pipe on each section of shell side, is equipped with linkage section between adjacent two sections of shell sides, The adjacent end of heat exchanger tube is connected to by linkage section.Settable manhole on linkage section.
It is adjacent with final stage shell side in the tube-side inlet bobbin carriage end adjacent with first segment shell side, tube side outlet bobbin carriage End and each section of shell side end adjacent with linkage section are connected tube sheet and flanged joint or case weld with bolt. When case weld connects, it is contemplated that maintenance, cleaning, the end socket of tube-side inlet bobbin carriage can be changed to removable blind flange, tube-side inlet pipe On the removable blind flange or on the shell of tube-side inlet bobbin carriage;The end socket of tube side outlet bobbin carriage can be changed to removable flange Lid, tube side outlet are set on the removable blind flange or on the shell of tube side outlet bobbin carriage.
Above-mentioned tube sheet is respectively welded in the both ends of each section of shell side shell, and flange is respectively welded in each linkage section shell The both ends of body.End socket, other end welded flange or one end and removable flange are welded in the shell of tube-side inlet bobbin carriage, one end The case weld for covering the connected, other end and first segment shell side connects.Tube side exports the shell of bobbin carriage, and end socket, another is welded in one end End welded flange or one end and removable blind flange be connected, the case weld of the other end and final stage shell side is connect.
The tube-side inlet bobbin carriage of the utility model heat exchanger includes that end socket, shell, tube-side inlet pipe and flange, tube side go out Mouthful bobbin carriage includes end socket, shell, tube side outlet and flange, each section of shell side include shell, heat exchanger tube, baffle plate, tube sheet, Shell side inlet pipe and shell-side outlet pipe, linkage section include shell, flange.When case weld connects, above-mentioned flange is no longer set It sets, end socket can be changed to removable blind flange.
Shell side is generally arranged 2 to 10 sections, identical as the number of share of stock of shell side side medium.Heat exchanger can horizontal setting or vertical Setting.
When the utility model is used, sub-thread tube side side medium enters tube-side inlet bobbin carriage from tube-side inlet pipe, then successively Heat exchanger tube into each section of shell side.Enter corresponding one section of shell side from shell side inlet pipe per one shell side side medium, with heat exchange Tube side side media for heat exchange in pipe flows out after heat exchange from shell-side outlet pipe.Tube side side medium after heat exchange finally enters tube side and goes out Mouth bobbin carriage, flows out from tube side outlet.
Using the utility model, have following the utility model has the advantages that the utility model can solve existing shell-and-tube fixes Tube sheet heat exchanger is asked existing for used scheme when requiring sub-thread tube side side medium with multiply shell side side medium stage-by-stage heat exchange Topic, realizes the heat exchange of two strands or more shell side side media and sub-thread tube side side medium in a heat exchanger, and multiply shell side side is situated between Matter can according to need selection shell side heat exchange part.Each section of shell side is separated by tube sheet, and each stock shell side side medium is not With shell side be mutually isolated, independently with tube side side media for heat exchange.Tube-side inlet bobbin carriage, tube side outlet bobbin carriage, each section of shell side with And one linkage section assembled in series, composition heat exchanger, in sub-thread tube side side medium and multiply shell side side medium stage-by-stage heat exchange Occasion can greatly reduce heat exchanger table position, generally only need using a heat exchanger.Existing heat exchanger, Each requires one tube-side inlet bobbin carriage of setting and a tube side outlet bobbin carriage;Each tube side outlet and tube-side inlet pipe It requires setting pipeline, using flanged joint, also needs to install the components such as valve on pipeline, tube side side medium is easy leakage, pressure Decreasing loss, which loses, to be increased.And the heat exchange function of more existing heat exchangers may be implemented in the utility model, a heat exchanger, is only arranged One tube-side inlet bobbin carriage and a tube side export bobbin carriage.Setting pipeline is not needed between each section of shell side, using flange by pipeline It is connect with shell side, is naturally also not installed on the components such as the valve on above-mentioned pipeline.Tube side side medium leakage risk is small, pressure drop is damaged It loses smaller.Using the utility model, manufacturing cost can be reduced, saved floor occupying area, reduced operation and maintenance cost and be mounted to This, promotes the reliability of heat exchanger long period safe operation.
The utility model can be used for the heat exchange of sub-thread tube side side medium and multiply shell side side medium in the industries such as petrochemical industry.
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of shell-and-tube fixed tube sheet heat exchanger of the utility model.
Specific embodiment
A kind of shell-and-tube fixed tube sheet heat exchanger (referred to as heat exchanger) of the utility model shown in Fig. 1 is equipped with pipe Journey entrance bobbin carriage 1, tube side outlet bobbin carriage 2, first segment shell side 9 and second segment shell side 12.Tube-side inlet bobbin carriage 1 enters equipped with tube side Mouth pipe 5, tube-side inlet pipe 5 are set on the end socket of tube-side inlet bobbin carriage 1.Tube side exports bobbin carriage 2 and is equipped with tube side outlet 8, pipe Journey outlet 8 is set on the end socket of tube side outlet bobbin carriage 2.Heat exchanger tube 16 is equipped in first segment shell side 9 and second segment shell side 12 With baffle plate 15, the both ends of heat exchanger tube 16 are fixed on tube sheet 6.First segment shell side 9 is equipped with 10 He of first segment shell side inlet pipe First segment shell-side outlet pipe 11, second segment shell side 12 are equipped with second segment shell side inlet pipe 13 and second segment shell-side outlet pipe 14. Linkage section 3 is equipped between first segment shell side 9 and second segment shell side 12, linkage section 3 is equipped with manhole 4.First segment shell side 9 and second The adjacent end of heat exchanger tube 16 is connected to by linkage section 3 in section shell side 12.
In the end adjacent with first segment shell side 9 of tube-side inlet bobbin carriage 1, tube side outlet bobbin carriage 2 and 12 phase of second segment shell side Adjacent end and first segment shell side 9 end adjacent with linkage section 3, second segment shell side 12 end adjacent with linkage section 3, Tube sheet 6 is connect with flange 7 with bolt.Either, shell, the tube side outlet of tube-side inlet bobbin carriage 1 and first segment shell side 9 The shell of case 2 and second segment shell side 12, first segment shell side 9 and the shell of linkage section 3, the shell of second segment shell side 12 and linkage section 3 Body is welded to connect (figure omits).Flange 7 is no longer set when welded connecting, and each tube sheet 6 is respectively arranged on first segment shell side 9 and second segment In the shell of shell side 12.In view of overhauling, clearing up, the end socket of tube-side inlet bobbin carriage 1 can be changed to removable blind flange, tube-side inlet pipe 5 are set on the removable blind flange or on the shell of tube-side inlet bobbin carriage 1;The end socket of tube side outlet bobbin carriage 2 can be changed to removable Blind flange, tube side outlet 8 are set on the removable blind flange or on the shells of tube side outlet bobbin carriage 2 (figure omits).
Above-mentioned tube sheet 6 is respectively welded in the both ends of 12 shell of both ends and second segment shell side of 9 shell of first segment shell side, method Orchid 7 is welded in the both ends of 3 shell of linkage section.End socket, other end welded flange 7 are welded in the shell of tube-side inlet bobbin carriage 1, one end, Either one end and removable blind flange be connected, the case weld of the other end and first segment shell side 9 is connect.Tube side exports bobbin carriage 2 Shell, one end welding end socket, other end welded flange 7 or one end be connected with removable blind flange, the other end and second segment shell The case weld of journey 12 connects.
Heat exchanger shown in FIG. 1 is vertical setting, it is also possible to horizontal setting (figure omits).
When in use, sub-thread tube side side medium enters tube-side inlet bobbin carriage from tube-side inlet pipe 5 to heat exchanger shown in FIG. 1 1, enter back into the heat exchanger tube 16 in first segment shell side 9.First strand of shell side side medium enters first from first segment shell side inlet pipe 10 Tube side side media for heat exchange in section shell side 9, with above-mentioned heat exchanger tube 16, flows out after heat exchange from first segment shell-side outlet pipe 11.
Tube side side medium after exchanging heat in first segment shell side 9 enters linkage section 3, enters back into changing in second segment shell side 12 Heat pipe 16.Second strand of shell side side medium enters in second segment shell side 12, with above-mentioned heat exchanger tube 16 from second segment shell side inlet pipe 13 Tube side side media for heat exchange, after heat exchange from second segment shell-side outlet pipe 14 flow out.Tube side after exchanging heat in second segment shell side 12 Side medium enters tube side outlet bobbin carriage 2, then flows out from tube side outlet 8.

Claims (3)

1. a kind of shell-and-tube fixed tube sheet heat exchanger is equipped with tube-side inlet bobbin carriage (1), tube side exports bobbin carriage (2), shell side, pipe Journey entrance bobbin carriage (1) is equipped with tube-side inlet pipe (5), and tube side exports bobbin carriage (2) and is equipped with tube side outlet (8), and feature exists In: shell side is at least arranged 2 sections, and heat exchanger tube (16) and baffle plate (15), the both ends of heat exchanger tube (16) are equipped in each section of shell side Be fixed on tube sheet (6), tube sheet (6) is fixed on the both ends of each section of shell side, be equipped on each section of shell side shell side inlet pipe and Shell-side outlet pipe is equipped with linkage section (3) between adjacent two sections of shell sides, and the adjacent end of heat exchanger tube (16) passes through linkage section (3) company It is logical, in tube-side inlet bobbin carriage (1) end adjacent with first segment shell side (9), tube side outlet bobbin carriage (2) and final stage shell side phase Tube sheet (6), is connect by adjacent end and each section of shell side and linkage section (3) adjacent end with bolt with flange (7), or Case weld connection.
2. shell-and-tube fixed tube sheet heat exchanger according to claim 1, it is characterised in that: shell side is arranged 2 to 10 sections.
3. shell-and-tube fixed tube sheet heat exchanger according to claim 1 or 2, it is characterised in that: the case weld Removable blind flange is arranged in connection, tube-side inlet bobbin carriage (1), and tube-side inlet pipe (5) is set on the removable blind flange or is set to tube side On the shell of entrance bobbin carriage (1), tube side exports bobbin carriage (2) and removable blind flange is arranged, and tube side outlet (8) is set to the removable flange It covers or is set on the shell of tube side outlet bobbin carriage (2).
CN201821736655.5U 2018-10-25 2018-10-25 A kind of shell-and-tube fixed tube sheet heat exchanger Active CN209263727U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821736655.5U CN209263727U (en) 2018-10-25 2018-10-25 A kind of shell-and-tube fixed tube sheet heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821736655.5U CN209263727U (en) 2018-10-25 2018-10-25 A kind of shell-and-tube fixed tube sheet heat exchanger

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Publication Number Publication Date
CN209263727U true CN209263727U (en) 2019-08-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110420535A (en) * 2019-08-21 2019-11-08 中冶焦耐(大连)工程技术有限公司 A kind of novel ammonia vapour condensate cooler and ammonia vapour condense cooling means
CN113670091A (en) * 2021-08-23 2021-11-19 哈尔滨锅炉厂有限责任公司 Heat exchanger utilizing cold energy

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110420535A (en) * 2019-08-21 2019-11-08 中冶焦耐(大连)工程技术有限公司 A kind of novel ammonia vapour condensate cooler and ammonia vapour condense cooling means
CN113670091A (en) * 2021-08-23 2021-11-19 哈尔滨锅炉厂有限责任公司 Heat exchanger utilizing cold energy
CN113670091B (en) * 2021-08-23 2023-12-26 哈尔滨锅炉厂有限责任公司 Heat exchanger for cold energy utilization

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