CN203848723U - Pure counter flow heat exchanger capable of achieving core pulling - Google Patents
Pure counter flow heat exchanger capable of achieving core pulling Download PDFInfo
- Publication number
- CN203848723U CN203848723U CN201420208124.4U CN201420208124U CN203848723U CN 203848723 U CN203848723 U CN 203848723U CN 201420208124 U CN201420208124 U CN 201420208124U CN 203848723 U CN203848723 U CN 203848723U
- Authority
- CN
- China
- Prior art keywords
- shell
- tube
- heat exchanger
- flange
- tube sheet
- 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.)
- Withdrawn - After Issue
Links
Abstract
The utility model relates to a pure counter flow heat exchanger capable of achieving core pulling. The pure counter flow heat exchanger comprises a left end tube box, a shell pass cylinder body and a right end tube box. The left end tube box is connected to one end of the shell pass cylinder body through a left end tube plate, the other end of the shell pass cylinder body is connected with the right end tube box respectively through a tube plate flange and a shell pass reverse flange, the tube plate flange is connected with the shell pass reverse flange through bolts and is arranged inside the shell pass cylinder body, and a telescopic supporting tube and a flexible tube bundle are connected between the left end tube box and the tube plate flange and are both arranged inside the shell pass cylinder body. Because of the structure of the heat exchanger, an independent tube pass space and an independent shell pass space are formed, heat exchange is carried out on tube pass media in the tube pass space, and heat exchange is carried out on shell pass media in the shell pass space. The core-pulling structure is adopted for the heat exchanger, so that the requirements of the tube pass media and the shell pass media for pure counter flow heat exchange are met at the same time.
Description
Technical field
The utility model relates to technical field of heat exchangers, particularly relates to a kind of pure contra-flow heat exchanger of loosing core.
Background technology
Pure counter-current process refers to: in heat exchanger, cold and hot fluid flows along contrary direction completely, makes heat pass to cold fluid from hot fluid, to meet the technological requirement of regulation.Its than following current or and flow technique, have that heat exchange efficiency is high, heat exchange amount is large, capacity usage ratio is high, reduce the advantages such as heat exchanger area.Shell-and-tube heat exchanger is in every profession and trade, especially in petroleum chemical industry, use very extensive, as shown in table 1, adopt at present fixed tube-sheet exchanger to loose core, U-shaped pipe and movable tube sheets heat exchanger cannot meet pure counter-current process requirement, and stuffing box heat exchanger cannot meet the requirement of high pressure, complex working condition, and the existing heat exchanger of loosing core is generally single tube plate structure, the pure counter-current process that cannot realize equipment, is unfavorable for improving heat exchange efficiency.
Table 1
Thereby, the utility model proposes a kind of pure contra-flow heat exchanger of loosing core of novel structure, and proposed to apply the method that this heat exchanger carries out pure countercurrent flow.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of pure contra-flow heat exchanger of loosing core, for solve existing heat exchanger exist can not loose core, can not pure adverse current, the problem such as pressure-bearing is not strong.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of pure contra-flow heat exchanger of loosing core, comprises left end bobbin carriage, shell-side cylinder and right-hand member bobbin carriage; Left end bobbin carriage connects one end of shell-side cylinder by left end tube sheet, the other end of shell-side cylinder is connected right-hand member bobbin carriage by tube sheet flange with shell side inverse flange successively; Tube sheet flange and shell side inverse flange are bolted, and described tube sheet flange is placed in described shell-side cylinder inner side; Between described left end tube sheet and tube sheet flange, be connected with the retractable support pipe and the flexible tube bank that are all placed in shell-side cylinder.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described flexible tube bank comprises some heat exchanger tubes.
Further, described heat exchanger tube is helical form.
Further, on described left end bobbin carriage, shell-side cylinder and right-hand member bobbin carriage, be provided with medium inlet and/or media outlet.
Further, a side of described right-hand member bobbin carriage is provided with access hole.
Further, described tube sheet flange and shell side inverse flange connection are provided with a pad, or described tube sheet flange and shell side inverse flange connection are provided with an inside pad and an outside pad.
Further, when flexibility tube bank is straight tube, be provided with expansion joint between described left end tube sheet and tube sheet flange, described expansion joint is placed in described shell-side cylinder.
Further, the inner space that described left end bobbin carriage, left end tube sheet, flexible tube bank, tube sheet flange, shell side inverse flange and right-hand member bobbin carriage form is tube side space, and the inner space that described left end tube sheet, shell-side cylinder, retractable support pipe, tube sheet flange and shell side inverse flange form is shell side space.
The beneficial effects of the utility model are: heat exchanger of the present utility model adopts can pulled core structure, facilitates the plant maintenance in later stage, the cleaning of inner core and replacing.The utility model can meet the pure countercurrent flow of tube side medium and shell side medium simultaneously, and can bear high pressure, low pressure and complex working condition, can effectively improve heat exchange efficiency, and reduction equipment size, reduces investment.
Accompanying drawing explanation
Fig. 1 is the structural representation of pure contra-flow heat exchanger described in the utility model;
Fig. 2 is the schematic diagram that the upper terminal place that is connected with shell side inverse flange at tube sheet flange in embodiment in the utility model is provided with a pad;
Fig. 3 is the schematic diagram that the lower terminal place that is connected with shell side inverse flange at tube sheet flange in embodiment in the utility model is provided with a pad.
In accompanying drawing, the list of parts of each label representative is as follows:
1, left end bobbin carriage, 2, shell-side cylinder, 3, right-hand member bobbin carriage, 4, left end tube sheet, 5, tube sheet flange, 6, shell side inverse flange, 7, retractable support pipe, 8, flexible tube bank, 9, access hole, 10, pad, 11, expansion joint.
The specific embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 1, the present embodiment has provided a kind of pure contra-flow heat exchanger of loosing core, and comprises left end bobbin carriage 1, shell-side cylinder 2 and right-hand member bobbin carriage 3; Left end bobbin carriage 1 connects one end of shell-side cylinder 2 by left end tube sheet 4, the other end of shell-side cylinder 2 is connected right-hand member bobbin carriage 3 by tube sheet flange 5 with shell side inverse flange 6 successively; Tube sheet flange 5 is bolted with shell side inverse flange 6, and described tube sheet flange 5 is placed in described shell-side cylinder 2 inner sides; Between described left end tube sheet 4 and tube sheet flange 5, be connected with the retractable support pipe 7 and the flexible tube bank 8 that are all placed in shell-side cylinder 2.The diameter of tube sheet flange 5 is less than shell-side cylinder 2, and is placed in described shell-side cylinder 2, so can loose core, inner core is cleaned or is changed.
The present embodiment, described flexible tube bank 8 comprises some spiral heat exchange tubes; On described left end bobbin carriage 1, shell-side cylinder 2 and right-hand member bobbin carriage 3, be provided with medium inlet and/or media outlet, for guaranteeing pure countercurrent flow; One side of described right-hand member bobbin carriage is provided with access hole 9, and this access hole 9, in a side of tube sheet flange 5, can check and maintenance the sealing condition between shell side and tube side easily by access hole.
In addition, as shown in Figure 2, described tube sheet flange and shell side inverse flange connection are provided with a pad 10, shell side inverse flange and tube sheet flange screw are fixed in the utilization that is designed with of this single pad, with this, cut apart tube side medium and shell side medium, be applicable to hyperbaric environment, because when pressure is high, the more easily sealing that sealing surface is narrow.In addition, as shown in Figures 2 and 3, also can be provided with in described tube sheet flange and shell side inverse flange connection an inside pad 10 and an outside pad 10, form two-pad structure, the effect of its Intermediate gasket is identical with single gasket construction, but two-pad structure is more suitable for environment under low pressure.
In addition, when flexibility tube bank 8 is straight tube, between described left end tube sheet 1 and tube sheet flange 5, be provided with expansion joint 11, described expansion joint 11 is placed in described shell-side cylinder 2.The effect of described expansion joint 11 is identical with described retractable support pipe 7, and can replace retractable support pipe 7.
The pure contra-flow heat exchanger of the present embodiment design, is meeting under the prerequisite of identical operating mode, and appearance and size is little compared with conventional fixed tube-sheet exchanger, U-shaped heat exchange of heat pipe, movable tube sheets heat exchanger, to reach the object of reducing investment outlay.
The present embodiment gives a kind of heat-exchange method that adopts above-mentioned pure contra-flow heat exchanger, concrete steps comprise: by described left end bobbin carriage 1, left end tube sheet 4, flexible tube bank 8, tube sheet flange 5, the inner space that shell side inverse flange 6 and right-hand member bobbin carriage 3 form is defined as tube side space, by described left end tube sheet 4, shell-side cylinder 2, retractable support pipe 7, the inner space that tube sheet flange 5 and shell side inverse flange 6 form is defined as shell side space, the heat exchange in tube side space of tube side medium, the heat exchange in shell side space of shell side medium, thereby reach the pure countercurrent flow of two media, to reach higher heat exchange efficiency.
Here, tube side medium heat transfer process in tube side space specifically comprises: tube side medium enters tube side space by the medium inlet of left end bobbin carriage, carries out heat exchange in tube side space, then discharges by the media outlet of right-hand member bobbin carriage.Described shell side medium heat transfer process in shell side space specifically comprises: shell side medium enters tube side space by the medium inlet of shell-side cylinder upper end, carries out heat exchange in shell side space, then discharges by the media outlet of shell-side cylinder lower end.It should be noted that shell journey medium inlet is corresponding setting, if tube side medium inlet is tube side upper left side, shell side medium inlet is shell side lower right, and vice versa.With this, guarantee that shell journey medium completely flows and makes heat pass to cold fluid from hot fluid along contrary direction, to meet the technological requirement of the pure adverse current of regulation.In addition should when arranging, follow the mouth of pipe cold flow medium upper entering and lower leaving, the basic principle of hot-fluid medium bottom in and top out as far as possible.The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. the pure contra-flow heat exchanger that can loose core, is characterized in that, comprises left end bobbin carriage, shell-side cylinder and right-hand member bobbin carriage; Left end bobbin carriage connects one end of shell-side cylinder by left end tube sheet, the other end of shell-side cylinder is connected right-hand member bobbin carriage by tube sheet flange with shell side inverse flange successively; Tube sheet flange and shell side inverse flange are bolted, and described tube sheet flange is placed in described shell-side cylinder inner side; Between described left end tube sheet and tube sheet flange, be connected with the retractable support pipe and the flexible tube bank that are all placed in shell-side cylinder.
2. pure contra-flow heat exchanger according to claim 1, is characterized in that, described flexible tube bank comprises some heat exchanger tubes.
3. pure contra-flow heat exchanger according to claim 2, is characterized in that, described heat exchanger tube is helical form.
4. pure contra-flow heat exchanger according to claim 1, is characterized in that, on described left end bobbin carriage, shell-side cylinder and right-hand member bobbin carriage, is provided with medium inlet and/or media outlet.
5. pure contra-flow heat exchanger according to claim 1, is characterized in that, a side of described right-hand member bobbin carriage is provided with access hole.
6. pure contra-flow heat exchanger according to claim 1, it is characterized in that, described tube sheet flange and shell side inverse flange connection are provided with a pad, or described tube sheet flange and shell side inverse flange connection are provided with an inside pad and an outside pad.
7. pure contra-flow heat exchanger according to claim 1, is characterized in that, when flexibility tube bank is straight tube, is provided with expansion joint between described left end tube sheet and tube sheet flange, and described expansion joint is placed in described shell-side cylinder.
8. pure contra-flow heat exchanger according to claim 1, it is characterized in that, the inner space that described left end bobbin carriage, left end tube sheet, flexible tube bank, tube sheet flange, shell side inverse flange and right-hand member bobbin carriage form is tube side space, and the inner space that described left end tube sheet, shell-side cylinder, retractable support pipe, tube sheet flange and shell side inverse flange form is shell side space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208124.4U CN203848723U (en) | 2014-04-25 | 2014-04-25 | Pure counter flow heat exchanger capable of achieving core pulling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208124.4U CN203848723U (en) | 2014-04-25 | 2014-04-25 | Pure counter flow heat exchanger capable of achieving core pulling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203848723U true CN203848723U (en) | 2014-09-24 |
Family
ID=51561730
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208124.4U Withdrawn - After Issue CN203848723U (en) | 2014-04-25 | 2014-04-25 | Pure counter flow heat exchanger capable of achieving core pulling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203848723U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925812A (en) * | 2014-04-25 | 2014-07-16 | 北京迪威尔石油天然气技术开发有限公司 | Core-pulling pure counterflow heat exchanger and heat exchange method using same |
| CN110017709A (en) * | 2019-05-10 | 2019-07-16 | 山西丰喜化工设备有限公司 | A kind of double pipe heat exchanger |
-
2014
- 2014-04-25 CN CN201420208124.4U patent/CN203848723U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103925812A (en) * | 2014-04-25 | 2014-07-16 | 北京迪威尔石油天然气技术开发有限公司 | Core-pulling pure counterflow heat exchanger and heat exchange method using same |
| CN103925812B (en) * | 2014-04-25 | 2016-06-29 | 北京迪威尔石油天然气技术开发有限公司 | A kind of pure contra-flow heat exchanger loosed core and the heat-exchange method applying this heat exchanger |
| CN110017709A (en) * | 2019-05-10 | 2019-07-16 | 山西丰喜化工设备有限公司 | A kind of double pipe heat exchanger |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207610580U (en) | A kind of titanium composite heat-exchanger | |
| CN108007243A (en) | Combined type waved tube heat exchanger | |
| CN102914181B (en) | Fixed tube-sheet tubular heat exchanger detached to wash | |
| CN103063058A (en) | Novel horizontal cooler | |
| CN203848723U (en) | Pure counter flow heat exchanger capable of achieving core pulling | |
| CN1140764C (en) | Axial flow-type heat exchanger with convergent-divergent tube, full counterflow and dual shell passes and its heat-exchange method | |
| CN206095003U (en) | Shell -and -tube high pressure heat exchanger | |
| CN203687696U (en) | Shell-and-tube heat exchanger | |
| CN103925812A (en) | Core-pulling pure counterflow heat exchanger and heat exchange method using same | |
| CN205037790U (en) | U -shaped pipe heat exchanger | |
| CN203550682U (en) | Multi-medium tube-and-shell heat exchanger | |
| CN205784749U (en) | A kind of multithread stock shell-and-plate heat-exchanger rig | |
| CN102645115B (en) | Lamella heat exchanger | |
| CN201787837U (en) | U-shaped pipe heat exchanger | |
| CN204987961U (en) | Floating head formula single tube journey countercurrent flow ware | |
| CN203731899U (en) | Heat exchanger with spiral finned coil | |
| CN207831989U (en) | Combined type waved tube heat exchanger | |
| CN103994672B (en) | Efficiently two-chamber turbulent heat transfer device | |
| CN203443431U (en) | Vertical type two-stage lamella heat exchanger | |
| CN207113676U (en) | A kind of efficient plate-type heat-exchanger peculiar to vessel | |
| CN206488675U (en) | A kind of double-flow band-tube type heat exchanger | |
| CN201173725Y (en) | High-temperature vapour water heat exchanger | |
| CN205679099U (en) | A kind of series connection high efficiency movable tube sheets heat exchanger | |
| CN201081599Y (en) | Combined baffling rod swirl tube heat exchanger | |
| CN202675962U (en) | Lamella heat exchanger |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140924 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |