CN202993956U - Connection structure of heat exchange tubes and tube plate of shell-and-tube heat exchanger - Google Patents

Connection structure of heat exchange tubes and tube plate of shell-and-tube heat exchanger Download PDF

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Publication number
CN202993956U
CN202993956U CN2012207456986U CN201220745698U CN202993956U CN 202993956 U CN202993956 U CN 202993956U CN 2012207456986 U CN2012207456986 U CN 2012207456986U CN 201220745698 U CN201220745698 U CN 201220745698U CN 202993956 U CN202993956 U CN 202993956U
Authority
CN
China
Prior art keywords
tube
heat exchanger
exchanger tube
shell
sheet
Prior art date
Application number
CN2012207456986U
Other languages
Chinese (zh)
Inventor
韩军
姜红梅
胡玉梅
程娅楠
柳玉娟
Original Assignee
北京广厦环能科技有限公司
Priority date (The priority date 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 date listed.)
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Application filed by 北京广厦环能科技有限公司 filed Critical 北京广厦环能科技有限公司
Priority to CN2012207456986U priority Critical patent/CN202993956U/en
Application granted granted Critical
Publication of CN202993956U publication Critical patent/CN202993956U/en

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Abstract

The utility model discloses a connection structure of heat exchange tubes and a tube plate of a shell-and-tube heat exchanger. The connection structure comprises the tube plate and the plurality of heat exchange tubes, wherein two ends of the titanium alloy heat exchange tubes penetrate in the tube plate which is a cast iron tube plate, and the tube plate is connected with the heat exchange tubes through nuts so that the problem that different materials are inconvenient to weld is solved. Double O-shaped rings have a sealing effect, screws fall easily if thrust rings in other mode are adopted due to pressure difference, temperature difference, vibration and other factors in the device operation process, further sealing is invalid, while the O-shaped seal rings can well be prevented from releasing through the thread connection mode, good sealing performance of the O-shaped seal rings is ensured, device service life is further prolonged, and device maintenance cost and operation cost are reduced.

Description

The syndeton of shell-and-tube heat exchanger heat exchanger tube and tube sheet
Technical field
The utility model relates to field of heat exchangers, relates in particular to the syndeton of a kind of shell-and-tube heat exchanger heat exchanger tube and tube sheet.
Background technology
Shell-and-tube heat exchanger mainly lost efficacy and was the Joint failure of tube sheet and heat exchanger tube, therefore, heat exchanger tube is one of key technology that guarantees heat exchanger safety with being connected of tube sheet, traditional heat exchanger, between heat exchanger tube and tube sheet, bucket is long for being welded to connect, and when heat exchanger tube employing titanium pipe, tube sheet employing cast iron tube sheet, due to the characteristic of titanium, cast iron quality, heat exchanger tube and tube sheet can not adopt traditional connected modes such as welding, expanded joint, so can only adopt active syndeton.
The utility model content
The technical problem that the utility model solves is: the non-welding connection structure of a kind of heat exchanger tube sheet and heat exchanger tube is provided, is applicable to the situation that is not easy to weld between unlike material heat exchanger tube and tube sheet.
For reaching this purpose, the utility model by the following technical solutions:
The syndeton of a kind of shell-and-tube heat exchanger heat exchanger tube and tube sheet comprises tube sheet and heat exchanger tube, described heat exchanger tube is many, described heat exchanger tube two ends are located in described tube sheet, described tube sheet is the cast iron tube sheet, described heat exchanger tube is the titanium alloy heat exchanger tube, is connected by nut between described tube sheet and heat exchanger tube.
Further, described nut is T-shaped nut, is provided with seal washer between described nut and tube sheet, and described seal washer is set on described heat exchanger tube.
Further, described seal washer adopts the O RunddichtringO, and described O RunddichtringO is two, and two described O RunddichtringOs are arranged continuously.
Further, be provided be used to the annular recess of placing described nut in the heat exchanger tube installing hole on described tube sheet, described heat exchanger tube end is provided with the external screw thread that matches with described nut inner thread.
Further, described heat exchanger tube wall thickness is 2.5mm, and described heat exchanger tube diameter is 25~45mm, described tube plate thickness 〉=50mm.
the beneficial effects of the utility model are: adopt nut to connect heat exchanger tube and tube sheet, can be applicable to multiple situation, especially facilitated the situation that is not easy to weld between unlike material, dual O type encloses sealing function, equipment in running due to pressure reduction, the factor such as the temperature difference and vibration, adopt other forms of " thrust ring " structure to be easy to the spiral shell that comes off, cause seal failure, and this being threaded can well prevent that the O RunddichtringO from deviating from, guaranteed the good sealing property of O RunddichtringO, further extended the service life of equipment, maintenance and the operating cost of equipment have been reduced, the corresponding reduction of material rate of adopting such connected mode to make originally to have to consider the welding factor and improving, thereby the cost of heat exchanger is significantly reduced.
Description of drawings
The below is described in further detail the utility model according to drawings and embodiments.
Fig. 1 is syndeton schematic diagram described in the utility model.
In figure:
1, tube sheet; 2, heat exchanger tube; 3, T-shaped nut; 4, O RunddichtringO.
The specific embodiment
Further illustrate the technical solution of the utility model below in conjunction with accompanying drawing and by the specific embodiment.
As shown in Figure 1, in the present embodiment, the syndeton of a kind of shell-and-tube heat exchanger heat exchanger tube described in the utility model and tube sheet comprises tube sheet 1 and heat exchanger tube 2, described heat exchanger tube 2 wall thickness are 2.5mm, described heat exchanger tube 2 diameters are 25mm, and described tube sheet 1 thickness is 50mm, and described heat exchanger tube 2 is many, described heat exchanger tube 2 two ends are located in described tube sheet 1, described tube sheet 1 is the cast iron tube sheet, and described heat exchanger tube 2 is the titanium alloy heat exchanger tube, is connected by nut between described tube sheet 1 and heat exchanger tube 2.
Described nut is T-shaped nut 3, be provided with seal washer between described T-shaped nut 3 and tube sheet 1, described seal washer is set on described heat exchanger tube 2, and described seal washer adopts O RunddichtringO 4, described O RunddichtringO 4 is two, and two described O RunddichtringOs 4 are arranged continuously.
The position that is connected with T-shaped nut 3 at described tube sheet 1 the above heat exchanger tube 2 is provided be used to the annular recess of placing described T-shaped nut 3, the position that described heat exchanger tube 2 ends are connected with described T-shaped nut 3 is provided with the external screw thread that matches with described T-shaped nut 3, and described T-shaped nut 3 is threaded connection and sinks in described annular groove with heat exchanger tube 2.
Two O RunddichtringOs 4 are set continuously are convenient to better seal, being threaded by T-nut 3 can better guarantee to connect reliably, makes the connection difficult drop-off.
What need statement is; the above-mentioned specific embodiment is only preferred embodiment of the present utility model and institute's application technology principle; in technical scope disclosed in the utility model; the variation that any those skilled in the art of being familiar with easily expected or replacement all should be encompassed in protection domain of the present utility model.

Claims (5)

1. the syndeton of a shell-and-tube heat exchanger heat exchanger tube and tube sheet, it is characterized in that, comprise tube sheet and heat exchanger tube, described heat exchanger tube is many, described heat exchanger tube two ends are located in described tube sheet, described tube sheet is the cast iron tube sheet, and described heat exchanger tube is the titanium alloy heat exchanger tube, is connected by nut between described tube sheet and heat exchanger tube.
2. the syndeton of shell-and-tube heat exchanger heat exchanger tube according to claim 1 and tube sheet, is characterized in that, described nut is T-shaped nut, is provided with seal washer between described nut and tube sheet, and described seal washer is set on described heat exchanger tube.
3. the syndeton of shell-and-tube heat exchanger heat exchanger tube according to claim 2 and tube sheet, is characterized in that, described seal washer adopts the O RunddichtringO, and described O RunddichtringO is two, and two described O RunddichtringOs are arranged continuously.
4. the syndeton of shell-and-tube heat exchanger heat exchanger tube according to claim 1 and tube sheet, it is characterized in that, be provided be used to the annular recess of placing described nut in heat exchanger tube installing hole on described tube sheet, described heat exchanger tube end is provided with the external screw thread that matches with described nut inner thread.
5. the syndeton of shell-and-tube heat exchanger heat exchanger tube according to claim 1 and tube sheet, is characterized in that, described heat exchanger tube wall thickness is 2.5mm, and described heat exchanger tube diameter is 25~45mm, described tube plate thickness 〉=50mm.
CN2012207456986U 2012-12-29 2012-12-29 Connection structure of heat exchange tubes and tube plate of shell-and-tube heat exchanger CN202993956U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012207456986U CN202993956U (en) 2012-12-29 2012-12-29 Connection structure of heat exchange tubes and tube plate of shell-and-tube heat exchanger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012207456986U CN202993956U (en) 2012-12-29 2012-12-29 Connection structure of heat exchange tubes and tube plate of shell-and-tube heat exchanger

Publications (1)

Publication Number Publication Date
CN202993956U true CN202993956U (en) 2013-06-12

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Family Applications (1)

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CN2012207456986U CN202993956U (en) 2012-12-29 2012-12-29 Connection structure of heat exchange tubes and tube plate of shell-and-tube heat exchanger

Country Status (1)

Country Link
CN (1) CN202993956U (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104236373A (en) * 2014-09-26 2014-12-24 无锡纳润特科技有限公司 Locked connecting structure for heat radiating tubes and tube plate
CN104567478A (en) * 2015-01-29 2015-04-29 广东百思特管业科技有限公司 Mounting structure of working medium nozzle of tubular heat exchanger
CN104596326A (en) * 2015-01-29 2015-05-06 广东百思特管业科技有限公司 Mounting structure for inlet-outlet working medium nozzle of coiled pipe heat exchanger
CN104613649A (en) * 2015-01-29 2015-05-13 广东百思特管业科技有限公司 Connecting mechanism of working medium inlet and outlet nozzle of coiled pipe heat exchanger
CN104697378A (en) * 2015-03-10 2015-06-10 苏州道众机械制造有限公司 Bolt-fixed tube plate
CN104792215A (en) * 2015-03-25 2015-07-22 上海中科易成新材料技术有限公司 Ceramic tube and end plate encapsulating method and encapsulating structure
CN104913375A (en) * 2014-03-11 2015-09-16 裴传金 Novel combined heating radiator
CN105444608A (en) * 2014-09-23 2016-03-30 英瑞美国有限责任公司 Heat exchanger tube-to-header sealing system
CN105485711A (en) * 2015-04-28 2016-04-13 无锡华光锅炉股份有限公司 Tubular air preheater end connection structure
CN106524777A (en) * 2016-12-30 2017-03-22 杨建良 Glass lining tubular condenser and heat exchanging device
CN112034578A (en) * 2020-07-23 2020-12-04 源能智创(江苏)半导体有限公司 Dodging rod fixing device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104913375A (en) * 2014-03-11 2015-09-16 裴传金 Novel combined heating radiator
CN105444608A (en) * 2014-09-23 2016-03-30 英瑞美国有限责任公司 Heat exchanger tube-to-header sealing system
CN104236373A (en) * 2014-09-26 2014-12-24 无锡纳润特科技有限公司 Locked connecting structure for heat radiating tubes and tube plate
CN104596326A (en) * 2015-01-29 2015-05-06 广东百思特管业科技有限公司 Mounting structure for inlet-outlet working medium nozzle of coiled pipe heat exchanger
CN104613649A (en) * 2015-01-29 2015-05-13 广东百思特管业科技有限公司 Connecting mechanism of working medium inlet and outlet nozzle of coiled pipe heat exchanger
CN104567478A (en) * 2015-01-29 2015-04-29 广东百思特管业科技有限公司 Mounting structure of working medium nozzle of tubular heat exchanger
CN104697378A (en) * 2015-03-10 2015-06-10 苏州道众机械制造有限公司 Bolt-fixed tube plate
CN104792215A (en) * 2015-03-25 2015-07-22 上海中科易成新材料技术有限公司 Ceramic tube and end plate encapsulating method and encapsulating structure
CN105485711A (en) * 2015-04-28 2016-04-13 无锡华光锅炉股份有限公司 Tubular air preheater end connection structure
CN105485711B (en) * 2015-04-28 2018-05-15 无锡华光锅炉股份有限公司 A kind of tubular air preheater end connecting
CN106524777A (en) * 2016-12-30 2017-03-22 杨建良 Glass lining tubular condenser and heat exchanging device
CN112034578A (en) * 2020-07-23 2020-12-04 源能智创(江苏)半导体有限公司 Dodging rod fixing device

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C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee
CP03 Change of name, title or address

Address after: 102200, room 2097, block B, No. 9, front road, Changping District science and Technology Park, Beijing

Patentee after: BEIJING GUANGSHA HUANNENG SCIENCE & TECHNOLOGY CO., LTD.

Address before: 101200, Huaqing Executive Hotel, Zhongguancun East Road, Beijing, Haidian District 601

Patentee before: Beijing GroundSun Science & Technology Company Limited

Address after: 102200, room 2097, block B, No. 9, front road, Changping District science and Technology Park, Beijing

Patentee after: BEIJING GUANGSHA HUANNENG SCIENCE & TECHNOLOGY CO., LTD.

Address before: 101200, Huaqing Executive Hotel, Zhongguancun East Road, Beijing, Haidian District 601

Patentee before: Beijing GroundSun Science & Technology Company Limited

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130612

Termination date: 20181229