CN209672919U - Vertical shell-and-tube heat exchanger drains structure - Google Patents
Vertical shell-and-tube heat exchanger drains structure Download PDFInfo
- Publication number
- CN209672919U CN209672919U CN201920090730.3U CN201920090730U CN209672919U CN 209672919 U CN209672919 U CN 209672919U CN 201920090730 U CN201920090730 U CN 201920090730U CN 209672919 U CN209672919 U CN 209672919U
- Authority
- CN
- China
- Prior art keywords
- shell
- perforated plate
- heat exchanger
- side cylinder
- tube
- 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.)
- Active
Links
Abstract
What the utility model provided a kind of vertical shell-and-tube heat exchanger drains structure, the vertical shell-and-tube heat exchanger has upper tube box, shell-side cylinder and the lower tube box set gradually, it is isolated between upper tube box and shell-side cylinder with upper perforated plate, it is isolated between lower tube box and shell-side cylinder with lower perforated plate, more heat exchanger tubes are fixed between upper perforated plate and lower perforated plate, upper tube box is connected to by the more heat exchanger tubes with lower tube box；Although position aperture on the barrel of shell-side cylinder apart from lower perforated plate upper surface certain altitude is simultaneously run in, it is described drain pipe and protrude into one end of the shell-side cylinder be bent downwardly and extend proximate to the position of lower perforated plate upper surface.The utility model may be implemented to drain, and do not damage lower perforated plate, no matter lower perforated plate is that thick tube sheet or thin tubesheet are applicable, and the position of opening on the barrel of shell-side cylinder apart from lower perforated plate upper surface farther out, so that draining the welding processing operating distance lower perforated plate of pipe has enough distances, the welding is smooth.
Description
Technical field
Structure is drained the utility model relates to a kind of vertical shell-and-tube heat exchanger, is mainly used in petrochemical plant
The shell side of vertical shell-and-tube heat exchanger drain.
Background technique
Vertical shell-and-tube heat exchanger, structure is as shown in Figure 1, have the upper tube box 1 set gradually, shell-side cylinder 2 under
Bobbin carriage 3 is isolated between upper tube box 1 and shell-side cylinder 2 with upper perforated plate 4, between lower tube box 3 and shell-side cylinder 2 with lower perforated plate 5 every
From being fixed with more heat exchanger tubes 6 between upper perforated plate 4 and lower perforated plate 5, the more heat exchanger tubes 6 are by upper tube box 1 and lower tube box 3
Connection is got up, and for passing through for first fluid, second fluid, first fluid and second fluid have been additionally flowed through in shell-side cylinder 2
Heat exchange can be completed in shell-side cylinder 2.
Solid impurity in second fluid is easy to be deposited in the bottom of shell-side cylinder 2, influences second in shell-side cylinder 2
Heat exchange efficiency between fluid and lower tube box 3, therefore, it is necessary to discharge the solid impurity of 2 bottom of shell-side cylinder in time.
In order to realize vertical shell-and-tube heat exchanger 2 bottom of shell-side cylinder impurity discharge, need to be arranged and drain structure, one
As in the case of, draining structure can be realized by three kinds of modes:
It (1) as shown in Fig. 1, Figure 1A, is drilled on lower perforated plate 5, this implementation method is simple, can not install other dresses
It sets, only drills on lower perforated plate 5, and liquid gravity can be leaned on to realize and emptied, do not need to take other auxiliary such as pressurization
Measure.
It (2) is that aperture is taken over again on the barrel in shell-side cylinder 2 close to 5 upper surface of lower perforated plate as shown in Fig. 2, Fig. 2A, this
Kind implementation method is simple and not damaged to upper perforated plate 4.
It (3) is to open half bore on the barrel of shell-side cylinder 2 to take over again, this implementation method can be real as shown in Fig. 3, Fig. 3 A
It now drains completely, and not damaged to lower perforated plate 5.
Drawback of the prior art is that:
(1) for the tube sheet of thinner thickness, drilling weakens seriously tubesheet intensity, does not allow to drill, or need to draw
Shi Wufa installation adapter tube, it is not applicable to lead to drain structure.
(2) for thick tube plate structure, if not allowing to drill, it is not applicable that above-mentioned (1) kind drains structure.
(3) close to upper perforated plate barrel on aperture take over again drain structure, due to adapter tube with barrel soldering need away from
It is maintained a certain distance from tube sheet, therefore cannot achieve liquid and empty completely, therefore when draining more demanding, the cannot be used
(2) kind drains structure
(4) it requires to bear the operating conditions such as high pressure, corrosion and uses low-temperature steel, the heat exchanger of chrome molybdenum steel material, tube sheet
With the special construction requirement of shell-side cylinder link position, do not allow to open half bore in the position close to tube sheet, (3) kind drains structure
Be not suitable for such heat exchanger.
Utility model content
Structure is drained the purpose of the utility model is to provide a kind of vertical shell-and-tube heat exchanger, had been applicable to it both thin
Tube sheet is equally applicable to thick tube sheet, and all has very strong applicability to other various operating conditions.
In order to achieve the above purposes, the technical solution adopted by the utility model is:
A kind of vertical shell-and-tube heat exchanger drains structure, and the vertical shell-and-tube heat exchanger has the upper tube set gradually
Case, shell-side cylinder and lower tube box, are isolated between upper tube box and shell-side cylinder with upper perforated plate, following between lower tube box and shell-side cylinder
Tube sheet isolation, is fixed with more heat exchanger tubes between upper perforated plate and lower perforated plate, and the more heat exchanger tubes are by upper tube box and lower tube box
Connection is got up；It is characterized by:
Although position aperture on the barrel of shell-side cylinder apart from lower perforated plate upper surface certain altitude is simultaneously run in, the row
Although the one end for protruding into the shell-side cylinder is bent downwardly and extends proximate to the position of lower perforated plate upper surface, in connecing for the end
Pipe side wall fluting, in favor of liquid discharge, fluting area can require to determine according to shell side medium and discharge amount.
The vertical shell-and-tube heat exchanger drains structure, in which: the periphery of the lower perforated plate is with flexible mistake
Section is crossed to be connected with the shell-side cylinder.
The vertical shell-and-tube heat exchanger drains structure, in which: the material for draining pipe is identical to the heat exchange
The material of pipe.
Utility model has the advantages that may be implemented to drain, and lower perforated plate is not damaged, no matter lower perforated plate is thick tube sheet
Or thin tubesheet is applicable, and the position of opening on the barrel of shell-side cylinder apart from lower perforated plate upper surface farther out so that row
Although welding processing operating distance lower perforated plate have enough distances, the welding is smooth.
Detailed description of the invention
Fig. 1, Figure 1A are the schematic diagram and its partial enlarged view for draining structure of the first vertical shell-and-tube heat exchanger；
Fig. 2, Fig. 2A are the schematic diagram and its partial enlarged view for draining structure of second of vertical shell-and-tube heat exchanger；
Fig. 3, Fig. 3 A are the schematic diagram and its partial enlarged view for draining structure of the third vertical shell-and-tube heat exchanger；
Fig. 4, Fig. 4 A are the schematic diagram for draining structure and its part of vertical shell-and-tube heat exchanger provided by the utility model
Enlarged drawing.
Description of symbols: upper tube box 1；Shell-side cylinder 2；Lower tube box 3；Upper perforated plate 4；Lower perforated plate 5；Changeover portion 51；Heat exchange
Pipe 6；Drain pipe 7.
Specific embodiment
As shown in Fig. 4, Fig. 4 A, the utility model provides a kind of structure that drains of vertical shell-and-tube heat exchanger, described vertical
Shell-and-tube heat exchanger has the upper tube box 1 set gradually, shell-side cylinder 2 and lower tube box 3, between upper tube box 1 and shell-side cylinder 2 with
Upper perforated plate 4 is isolated, and is isolated between lower tube box 3 and shell-side cylinder 2 with lower perforated plate 5, is fixed between upper perforated plate 4 and lower perforated plate 5
More heat exchanger tubes 6, upper tube box 1 is connected to by the more heat exchanger tubes 6 with lower tube box 3, for passing through for first fluid, in shell
Second fluid is additionally flowed through in journey cylinder 2, first fluid and second fluid can complete heat exchange in shell-side cylinder 2；
In order to realize the impurity discharge of 2 bottom of shell-side cylinder, the utility model is on the barrel of shell-side cylinder 2 apart from down tube
Although the position aperture of 5 upper surface certain altitude of plate simultaneously runs in 7, it is described drain pipe 7 protrude into the shell-side cylinder 2 one end it is downward
It is bent and extends proximate to the position of 5 upper surface of lower perforated plate, the adapter tube side wall in the end is slotted, and in favor of gas discharge, is opened
Groove area can require to determine according to shell side medium and discharge amount.
Once there is accumulation of impurities in the bottom of shell-side cylinder 2, so that it may which opening drains pipe 7, and impurity can be in shell-side cylinder 2
Under the pressure effect of liquid, discharged except shell-side cylinder 2 upwards along the pipe 7 that drains, therefore the utility model can be with
Realization drains.
The utility model does not damage lower perforated plate 5, and no matter lower perforated plate 5 is that thick tube sheet or thin tubesheet are applicable, and shell
Position of opening on the barrel of journey cylinder 2 apart from 5 upper surface of lower perforated plate farther out so that draining the welding processing operating distance of pipe 7
Lower perforated plate 5 has enough distances, and the welding is smooth.
In the present embodiment, the lower perforated plate 5 preferably uses thin tubesheet structure, that is, the periphery of the lower perforated plate 5 is to have
Flexible changeover portion 51 is connected with the shell-side cylinder 2, and the changeover portion 51 is with higher flexible (i.e. flexible), is equivalent to
It is provided with expansion joint in shell-side cylinder 2, displacement caused by thermal expansion difference between heat exchanger tube 6 and shell, pressure can be compensated
Difference reduces upper perforated plate 4,5 edge of lower perforated plate secondary stress as caused by compatibility of deformation.
Moreover, the material for draining pipe 7 is preferably using the material for being identical to the heat exchanger tube 6.
It is described above to be merely exemplary for the utility model, and not restrictive, those of ordinary skill in the art
Understand, without departing from the spirit and scope defined by the claims, can many modifications may be made, variation or it is equivalent, but
It falls within the protection scope of the utility model.
Claims (3)
1. a kind of vertical shell-and-tube heat exchanger drains structure, the vertical shell-and-tube heat exchanger has the upper tube set gradually
Case, shell-side cylinder and lower tube box, are isolated between upper tube box and shell-side cylinder with upper perforated plate, following between lower tube box and shell-side cylinder
Tube sheet isolation, is fixed with more heat exchanger tubes between upper perforated plate and lower perforated plate, and the more heat exchanger tubes are by upper tube box and lower tube box
Connection is got up；It is characterized by:
Although position aperture on the barrel of shell-side cylinder apart from lower perforated plate upper surface certain altitude is simultaneously run in, described to drain pipe
The one end for protruding into the shell-side cylinder is bent downwardly and extends proximate to the position of lower perforated plate upper surface.
2. vertical shell-and-tube heat exchanger according to claim 1 drains structure, it is characterised in that: the week of the lower perforated plate
While being connected with flexible changeover portion with the shell-side cylinder.
3. vertical shell-and-tube heat exchanger according to claim 1 drains structure, it is characterised in that: the material for draining pipe
Matter is identical to the material of the heat exchanger tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090730.3U CN209672919U (en) | 2019-01-18 | 2019-01-18 | Vertical shell-and-tube heat exchanger drains structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920090730.3U CN209672919U (en) | 2019-01-18 | 2019-01-18 | Vertical shell-and-tube heat exchanger drains structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209672919U true CN209672919U (en) | 2019-11-22 |
Family
ID=68566218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920090730.3U Active CN209672919U (en) | 2019-01-18 | 2019-01-18 | Vertical shell-and-tube heat exchanger drains structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209672919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791035A (en) * | 2020-07-21 | 2020-10-20 | 山西丰喜化工设备有限公司 | Manufacturing method of high-pressure-resistant and corrosion-resistant heat exchanger shell side exhaust structure |
-
2019
- 2019-01-18 CN CN201920090730.3U patent/CN209672919U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111791035A (en) * | 2020-07-21 | 2020-10-20 | 山西丰喜化工设备有限公司 | Manufacturing method of high-pressure-resistant and corrosion-resistant heat exchanger shell side exhaust structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204787951U (en) | Formula of backflowing sleeve pipe evaporimeter | |
| CN209672919U (en) | Vertical shell-and-tube heat exchanger drains structure | |
| CN105091634A (en) | Baffle rod type heat exchanger with built-in expansion joint | |
| CN204359159U (en) | A kind of horizontal condensing heat exchanger | |
| CN209672918U (en) | The exhaust structure of vertical shell-and-tube heat exchanger | |
| CN104949550A (en) | Casing pipe floating type evaporation and vaporization device | |
| CN101153765B (en) | Reflux condenser | |
| CN207716926U (en) | A kind of chimney cooler with guiding baffle plate | |
| CN106322413A (en) | Flue gas condensation and dew formation acid fluid collection device for glass fiber reinforced plastic internal chimney | |
| US9857127B2 (en) | Header for air cooled heat exchanger | |
| CN106949751B (en) | Dehydrogenation overhead condenser | |
| CN217139883U (en) | High-temperature flue gas dewatering device | |
| CN107664442A (en) | A kind of application process of heat exchanger tube | |
| CN212931091U (en) | Heat exchanger capable of preventing tube pass liquid accumulation | |
| CN109458853A (en) | A kind of condensing heat exchanger with U-shaped vapor-liquid separating structure | |
| CN205435028U (en) | Tympanic bulla column plate | |
| CN109253843A (en) | A kind of heat exchanger auxiliary leakage detection apparatus and heat exchanger leak hunting method | |
| CN205084429U (en) | Corrosion -resistant triple -effect evaporator | |
| CN208651094U (en) | A kind of compressor heat exchanger | |
| CN208108885U (en) | Dual-tubesheet glass-lined heat exchanger | |
| CN206488675U (en) | A kind of double-flow band-tube type heat exchanger | |
| CN206989730U (en) | A kind of condenser | |
| CN106621426A (en) | Corrosion-resistant three-effect evaporator | |
| CN218781104U (en) | Water collecting and draining device | |
| CN213747397U (en) | Condenser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210210 Address after: 100120 Xicheng District six paw Kang in Beijing City Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. Address before: No.1, Chuangda 2nd Road, Laiguangying hi tech Industrial Park, Chaoyang District, Beijing, 100012 Patentee before: CHINA HUANQIU CONTRACTING & ENGINEERING Co.,Ltd. |