CN201811611U - Box-shell multi-shell pass reverse flow speed increasing shell-and-tube heat exchanger - Google Patents
Box-shell multi-shell pass reverse flow speed increasing shell-and-tube heat exchanger Download PDFInfo
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- CN201811611U CN201811611U CN2010205478197U CN201020547819U CN201811611U CN 201811611 U CN201811611 U CN 201811611U CN 2010205478197 U CN2010205478197 U CN 2010205478197U CN 201020547819 U CN201020547819 U CN 201020547819U CN 201811611 U CN201811611 U CN 201811611U
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Abstract
The utility model discloses a box-shell multi-shell pass reverse flow speed increasing shell-and-tube heat exchanger, which comprises a shell (5), wherein one end of the shell is provided with a tube plate I (3); a tube box (2) is connected to the outer side of the tube plate I (3); a clapboard is arranged inside the tube box (2); the other end of the shell is provided with an end cover (11); and a heat exchange tube (6) is arranged in the shell. The shell of the heat exchanger has a structure that the upper part is circular while the lower part is square or the structure that the upper part is square while the lower part is circular, and at least one layer of longitudinal reverse flow speed increasing guide plate (7) is arranged inside the shell and partitions the inside of the shell into two shell passes, so that fluid formed outside the tube and fluid inside the tube have same number of flow path, but have opposite axial flow directions. The heat exchanger of the utility model can realize inverse and rapid flow heat exchange between fluid in the shell pass of the shell-and-tube heat exchanger and fluid in the tube along the axial direction, reduces the heat transfer temperature difference between fluids, improves heat exchanging efficiency and can realize synchronous composite utilization of double heat resources; and due to a special shell structure, the heat exchange tube is arranged more compactly, the size of the heat exchanger can be reduced effectively and the refrigerant charge is decreased.
Description
Technical field
The utility model relates to heat exchanger processing and makes field, especially a kind of case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger.
Background technology
Shell and tube exchanger is widely used in fields such as chemical industry, food, refrigeration air-conditioner, is that many parallel pipes are set in a cylindrical shell, allow two kinds of fluids respectively in manage the space and the pipe external space flow through and carry out exchange heat.For present widely used monoshell journey shell-and-tube heat exchanger, when the heat exchanger heat transfer amount is big, cause diameter of the housing big and monoshell journey flow area is very big, cause the speed of shell fluid very low, cause the heat exchanger integral body coefficient of heat transfer not high, heat exchange efficiency is low.
The utility model content
The purpose of this utility model in order to solve the existing deficiency of above-mentioned monoshell journey shell-and-tube heat exchanger, provides a kind of case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger that a kind of volume is little, heat exchange efficiency is high just.
For achieving the above object, the technical solution adopted in the utility model is as follows:
Case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger of the present utility model, comprise that housing, housing one end are provided with the tube sheet I, the outside and inside that bobbin carriage is connected the tube sheet I are provided with dividing plate, the other end of housing is provided with end cap, be provided with heat exchanger tube in the housing, bobbin carriage is provided with interface tube I and interface tube II, in the upper and lower of housing interface tube III and interface tube IV is set respectively.Described heat exchanger shell is circular upper part and square lower part structure or square top and round bottom structure, at least the vertical adverse current speedup of one deck deflector is set in the housing, enclosure interior is divided at least two shell sides, makes the extratubal fluid flow process number of formation identical with tube fluid flow process number and flow direction is opposite vertically.By the vertical adverse current speedup deflector that is provided with in the housing one way shell side is divided into muitishell, increased the length of shell-side fluid circulation, and make the fluid of shell-side longitudinally form adverse current with the interior fluid of pipe, increased the flow velocity and the disturbance of shell fluid by the horizontal speedup disturbance deflector that is provided with in the housing.
The fixed form of described vertical adverse current speedup deflector in housing is: vertically adverse current speedup deflector one end can be fixing by welding with tube sheet, also can be by fixing in the axial socket of inserting housing or other fixed form.
The utility model can be provided with horizontal speedup disturbance deflector in the runner that vertically forms between adverse current speedup deflector and housing, described horizontal speedup disturbance deflector shape is identical with the extratubal fluid cross section of fluid channel shape of formation in the housing, laterally speedup deflector one end leaves the passage breach, and has some pores that are used to support heat exchanger tube on deflector plate face.
The utility model preferably is provided with the vertical adverse current speedup of one deck deflector in heat exchanger shell, described heat exchanger tube is the straight pipe type heat exchanger tube, is provided with the tube sheet II at the other end of housing, and heat exchanger tube runs through the tube sheet I and the tube sheet II is communicated with the bobbin carriage and the end cap at two ends.
Described heat exchanger tube also can be U type cast heat exchanger tube, and housing is with the end cap welding or adopt flange to be connected.
Described heat exchanger tube is that the sleeve-shaped formula also can be non-sleeve-shaped formula.When being two thermal source, heat exchanger tube is made up of outer tube and the inner sleeve that is installed in the outer tube tube chamber, and when outer tube and inner sleeve were straight tube, two ends all were provided with outer tube plate and internal tube plate, and dividing plate and two interface tubes wherein are set between an end outer tube plate and the internal tube plate; When outer tube and inner sleeve are U type pipe, only outer tube plate and internal tube plate are set at one end, dividing plate and two interface tubes are set between outer tube plate and the internal tube plate.Can realize two synchronous heat exchange of thermal source.
A kind of case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger of the present utility model, housing is designed to circular upper part and square lower part structure or square top and round bottom structure, can realize in the shell and tube exchanger shell side inner fluid in axial direction and tube fluid form reverse and quick fluid interchange, reduce heat transfer temperature difference between fluid, improve heat exchange efficiency, and can realize two synchronous compound utilizations of thermal source, it is compact more when its outstanding shell structure is arranged heat exchanger tube, can effectively reduce heat exchanger volume, and reduce refrigerant charge.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 of the present utility model.
Fig. 2 be among Fig. 1 A-A to cutaway view.
Fig. 3 is the structural representation of embodiment 2 of the present utility model.
Fig. 4 be among Fig. 3 A-A to cutaway view.
Fig. 5 is the structural representation of embodiment 3 of the present utility model.
Fig. 6 be among Fig. 5 A-A to cutaway view.
Fig. 7 is the structural representation of embodiment 4 of the present utility model.
Fig. 8 be among Fig. 7 A-A to cutaway view.
Fig. 9 is the structural representation of embodiment 5 of the present utility model.
Figure 10 be among Fig. 9 A-A to cutaway view.
Figure 11 is the structural representation of embodiment 6 of the present utility model.
Figure 12 be among Fig. 1 A-A to cutaway view.
Figure 13 is the structural representation of embodiment 7 of the present utility model.
Figure 14 be among Figure 13 A-A to cutaway view.
Figure 15 is the structural representation of embodiment 8 of the present utility model.
Figure 16 be among Figure 15 A-A to cutaway view.
Figure 17 is the structural representation of embodiment 9 of the present utility model.
Figure 18 be among Figure 17 A-A to cutaway view.
Figure 19 is the structural representation of embodiment 10 of the present utility model.
Figure 20 be among Figure 19 A-A to cutaway view.
The specific embodiment
The utility model is further described below with reference to embodiment, but does not limit the utility model.
As shown in Figure 1, the case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger, comprise that housing 5, housing two ends are provided with tube sheet I 3 and tube sheet II 8, the outside and inside that bobbin carriage 2 is connected tube sheet I 3 are provided with dividing plate, the other end of housing is provided with end cap 11, be provided with heat exchanger tube 6 in the housing, described heat exchanger tube is the straight pipe type heat exchanger tube, and heat exchanger tube runs through tube sheet I 3 and tube sheet II 8 is communicated with the bobbin carriage and the end cap at two ends.Bobbin carriage 2 is provided with interface tube I 1 and interface tube II 9, in the upper and lower of housing interface tube III 4 and interface tube IV 10 is set respectively.Described heat exchanger shell is the circular upper part and square lower part structure, and promptly its top is half-cylindrical, and the below is a quadrangular.The vertical adverse current speedup of one deck deflector 7 is set in the housing, enclosure interior is divided into two shell sides, make the extratubal fluid flow process number of formation identical with tube fluid flow process number and flow direction is opposite vertically.
Workflow is as follows: a kind of medium enters heat exchanger bobbin carriage 2 from interface tube 9, after the heat exchanger tube heat exchange from interface tube 1 outflow heat exchanger, another kind of working medium enters in the housing from interface tube 4, flows out housing from interface tube 10, and two media forms countercurrent flow in the process of circulation.
As shown in Figure 2, this embodiment is on the basis of the structure of embodiment, and heat exchanger tube is a U type pipe.
As shown in Figure 3, this embodiment is on the basis of structure shown in Figure 3, and horizontal speedup disturbance deflector 12 is set in housing 5.Described horizontal speedup disturbance deflector shape is identical with the extratubal fluid cross section of fluid channel shape of formation in the housing, and laterally speedup deflector one end leaves the passage breach, and has some pores that are used to support heat exchanger tube on deflector plate face.
As shown in Figure 4, this embodiment is on the basis of the structure of embodiment 1, and described heat exchanger tube is the casing type heat exchanging pipe, and heat exchanger tube is made up of outer tube 13 and the inner sleeve 14 that is installed in the outer tube tube chamber; Increase internal tube plate 17,18; Interface tube V 15 and VI 16 are set between outer tube plate 3 and internal tube plate 17.
Shown in Fig. 5, this embodiment is on the basis of the structure of embodiment 4, and horizontal speedup disturbance deflector 12 is set in housing 5.Described horizontal speedup disturbance deflector shape is identical with the extratubal fluid cross section of fluid channel shape of formation in the housing, and laterally speedup deflector one end leaves the passage breach, and has some pores that are used to support heat exchanger tube on deflector plate face.
As shown in Figure 6, the case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger, comprise that housing 5, housing two ends are provided with tube sheet I 3 and tube sheet II 8, the outside and inside that bobbin carriage 2 is connected tube sheet I 3 are provided with dividing plate, the other end of housing is provided with end cap 11, be provided with heat exchanger tube 6 in the housing, described heat exchanger tube is the straight pipe type heat exchanger tube, and heat exchanger tube runs through tube sheet I 3 and tube sheet II 8 is communicated with the bobbin carriage and the end cap at two ends.Bobbin carriage 2 is provided with interface tube I 1 and interface tube II 9, in the upper and lower of housing interface tube III 4 and interface tube IV 10 is set respectively.Described heat exchanger shell is the square top and round bottom structure, and promptly its top is a four prism type, and the below is half-cylindrical.The vertical adverse current speedup of one deck deflector 7 is set in the housing, enclosure interior is divided into two shell sides, make the extratubal fluid flow process number of formation identical with tube fluid flow process number and flow direction is opposite vertically.
Workflow is as follows: a kind of medium enters heat exchanger bobbin carriage 2 from interface tube 9, after the heat exchanger tube heat exchange from interface tube 1 outflow heat exchanger, another kind of working medium enters in the housing from interface tube 4, flows out housing from interface tube 10, and two media forms countercurrent flow in the process of circulation.
As shown in Figure 7, this embodiment is on the basis of the structure of embodiment 6, and heat exchanger tube is a U type heat exchanger tube.
As shown in Figure 8, this embodiment is on the basis of the structure of embodiment 6, and horizontal speedup disturbance deflector 12 is set in housing 5.Described horizontal speedup disturbance deflector shape is identical with the extratubal fluid cross section of fluid channel shape of formation in the housing, and laterally speedup deflector one end leaves the passage breach, and has some pores that are used to support heat exchanger tube on deflector plate face.
As shown in Figure 9, this embodiment is on the basis of the structure of embodiment 6, and described heat exchanger tube is the casing type heat exchanging pipe, and heat exchanger tube is made up of outer tube 13 and the inner sleeve 14 that is installed in the outer tube tube chamber; Increase internal tube plate 17,18; Interface tube V 15 and interface tube VI 16 are set between outer tube plate 3 and internal tube plate 17.
Shown in Figure 10, this embodiment is on the basis of the structure of embodiment 9, and horizontal speedup disturbance deflector 12 is set in housing 5.Described horizontal speedup disturbance deflector shape is identical with the extratubal fluid cross section of fluid channel shape of formation in the housing, and laterally speedup deflector one end leaves the passage breach, and has some pores that are used to support heat exchanger tube on deflector plate face.
Claims (6)
1. case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger, comprise housing (5), housing one end is provided with tube sheet I (3), the outside and inside that bobbin carriage (2) is connected tube sheet I (3) are provided with dividing plate, the other end of housing is provided with end cap (11), be provided with heat exchanger tube (6) in the housing, bobbin carriage (2) is provided with interface tube I (1) and interface tube II (9), interface tube III (4) and interface tube IV (10) are set respectively in the upper and lower of housing, it is characterized in that: described heat exchanger shell is circular upper part and square lower part structure or square top and round bottom structure, at least the vertical adverse current speedup of one deck deflector (7) is set in the housing, enclosure interior is divided at least two shell sides, makes the extratubal fluid flow process number of formation identical with tube fluid flow process number and flow direction is opposite vertically.
2. case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger according to claim 1, it is characterized in that: in heat exchanger shell, be provided with horizontal speedup disturbance deflector (12) in housing (5) and each extratubal fluid runner inside that vertical adverse current speedup deflector (7) forms, laterally speedup disturbance deflector shape is identical with the extratubal fluid cross section of fluid channel shape of formation in the housing, laterally speedup deflector one end leaves the passage breach, and has the pore that is used to support heat exchanger tube on deflector plate face.
3. case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger according to claim 2, it is characterized in that: the vertical adverse current speedup of one deck deflector (7) is set in the heat exchanger shell, described heat exchanger tube is the straight pipe type heat exchanger tube, the other end at housing is provided with tube sheet II (8), and heat exchanger tube runs through tube sheet I (3) and tube sheet II (8) is communicated with the bobbin carriage and the end cap at two ends.
4. case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger according to claim 2, it is characterized in that: the vertical adverse current speedup of one deck deflector (7) is set in the heat exchanger shell, described heat exchanger tube is a U type cast heat exchanger tube, and housing (5) is with end cap (11) welding or adopt flange to be connected.
5. case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger according to claim 3, it is characterized in that: described heat exchanger tube is the casing type heat exchanging pipe, sleeve pipe form heat exchanger tube is made up of outer tube (13) and the inner sleeve (14) that is installed in the outer tube tube chamber, tube sheet is made up of outer tube version (3), (8) and internal tube plate (17), (18), interface tube V (15) and VI (16) are set between outer tube plate (3) and internal tube plate (17), can realize two synchronous heat exchange of thermal source.
6. case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger according to claim 4 is characterized in that: described heat exchanger tube is the casing type heat exchanging pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205478197U CN201811611U (en) | 2010-09-29 | 2010-09-29 | Box-shell multi-shell pass reverse flow speed increasing shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205478197U CN201811611U (en) | 2010-09-29 | 2010-09-29 | Box-shell multi-shell pass reverse flow speed increasing shell-and-tube heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201811611U true CN201811611U (en) | 2011-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205478197U Expired - Fee Related CN201811611U (en) | 2010-09-29 | 2010-09-29 | Box-shell multi-shell pass reverse flow speed increasing shell-and-tube heat exchanger |
Country Status (1)
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|---|---|
| CN (1) | CN201811611U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929811A (en) * | 2010-09-29 | 2010-12-29 | 中原工学院 | Case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger |
| CN103017572A (en) * | 2013-01-23 | 2013-04-03 | 柳州凯通机械有限公司 | Shell-and-tube heat exchanger |
| CN104807351A (en) * | 2015-04-17 | 2015-07-29 | 广东申菱空调设备有限公司 | Pure counterflow shell-and-tube heat exchanger and manufacturing method thereof |
| CN110012625A (en) * | 2017-12-18 | 2019-07-12 | 丰田自动车株式会社 | Electrical equipment |
-
2010
- 2010-09-29 CN CN2010205478197U patent/CN201811611U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929811A (en) * | 2010-09-29 | 2010-12-29 | 中原工学院 | Case-type multi-shell-pass countercurrent speedup type shell and tube heat exchanger |
| CN103017572A (en) * | 2013-01-23 | 2013-04-03 | 柳州凯通机械有限公司 | Shell-and-tube heat exchanger |
| CN104807351A (en) * | 2015-04-17 | 2015-07-29 | 广东申菱空调设备有限公司 | Pure counterflow shell-and-tube heat exchanger and manufacturing method thereof |
| CN110012625A (en) * | 2017-12-18 | 2019-07-12 | 丰田自动车株式会社 | Electrical equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110427 Termination date: 20120929 |