CN205679096U - A kind of muitishell shell-and-tube heat exchanger - Google Patents
A kind of muitishell shell-and-tube heat exchanger Download PDFInfo
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- CN205679096U CN205679096U CN201620545153.9U CN201620545153U CN205679096U CN 205679096 U CN205679096 U CN 205679096U CN 201620545153 U CN201620545153 U CN 201620545153U CN 205679096 U CN205679096 U CN 205679096U
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Abstract
The utility model relates to a kind of muitishell shell-and-tube heat exchanger, including shell side, is provided with host cavity in shell side, heating surface bank is housed in host cavity, being additionally provided with division board in the host cavity of shell side, host cavity is divided into the first cavity and the second cavity by division board, the first cavity and the second cavity Hu Bu UNICOM；Heating surface bank includes that the diode bundle of the second cavity is restrained and be positioned to the one-level being positioned at the first cavity, and one-level tube bank is connected with diode Shu Qianhou；After wherein the medium in one-level tube bank carries out one-level heat exchange by refrigerant in the first cavity, enter diode bundle in the second cavity, carry out two grades of heat exchanges.Shell side is divided into multiple not connected cavity by division board by this muitishell shell-and-tube heat exchanger, and heating surface bank passes sequentially through each cavity and realizes Multi-stage cooling, can make medium temperature rapid drawdown, moreover it is possible to make refrigerant import and export temperature difference little；The slope design of heating surface bank does not have residual liquid in more making tube bank, makes the cleanliness factor in heating surface bank reach sanitation-grade.
Description
Technical field
The utility model belongs to fluid temperature (F.T.) control field, particularly to a kind of muitishell shell-and-tube heat exchanger.
Background technology
Heat exchanger, also known as heat exchanger, is the equipment that the partial heat of hot fluid passes to cold flow body.Being of heat exchanger
The common apparatus of work, oil, power, food and other many industrial departments, occupies critical role aborning, can be used for heating
Medium is it can also be used to cooling medium.
Current field of biological pharmacy, each operation has certain technological requirement substantially, particularly to the water being used
Temperature have different requirements.Below as a example by the cooling process of water, such as: carry out utensil clean when, it is desirable to by injection water from
80 DEG C instantaneous reduces to about 20 DEG C；And when configuring biological products, require especially from 80 DEG C, water is reduced to 2～8 DEG C.Therefore, lead to
Often need, by heat exchanger, water temperature to be reduced to suitable temperature range.
The heat exchanger generally using is shell-and-tube heat exchanger or the plate type heat exchanger of monoshell journey, both heat exchangers common
Point is: only have a shell side, and refrigerant treats treatment fluid heat conduction by the turnover realization of this shell side.When before the process of water and place
When the temperature difference after reason is very big, being used alone any one heat exchanger, cooling efficiency is all relatively low.(refrigerant: be in process of refrigerastion
Planting intermediate material, it first accepts cooling of cold-producing medium and lowers the temperature, and then removes to cool down other cooled material again, and refrigerant is also referred to as
Refrigerating medium)
A kind of solution is, allows water continue through multiple heat exchanger and uses Multi-stage cooling to realize, but this method causes
Cost and the increase taking up room.
Another kind of solution is to increase the heat exchange area of single heat exchanger, but this method causes heat exchanger volume to increase,
Refrigerant holdup time that circulates in a shell side is long, and the import and export temperature difference easily causing refrigerant is big, not only increases equipment
Use space, be more increased the live load of refrigerant supply chain.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of muitishell shell-and-tube heat exchanger, and it is obtaining effectively
On the premise of heat exchange, heat exchange efficiency can be improved, and can effectively utilize space, and reduce the refrigerant import and export temperature difference.
The utility model provides a kind of muitishell shell-and-tube heat exchanger, including shell side, is provided with host cavity in described shell side,
Containing heating surface bank in described host cavity, being additionally provided with division board in the host cavity of described shell side, described division board is by described
Host cavity is divided into the first cavity and the second cavity, described first cavity and described second cavity Hu Bu UNICOM；Described heat-transfer pipe
Bundle includes that the one-level being positioned at described first cavity is restrained and is positioned at the diode bundle of described second cavity, described one-level pipe
Bundle is connected with described diode Shu Qianhou；Medium in the tube bank of wherein said one-level is carried out by refrigerant in described first cavity
After one-level heat exchange, described diode bundle can be entered in described second cavity, carry out two grades of heat exchanges.
Further, described shell side being provided with refrigerant inlet and refrigerant exit, described refrigerant inlet is simultaneously and described the
One cavity and the second cavity UNICOM, with described first cavity and the second cavity UNICOM while described refrigerant exit is also.
Further, described first cavity and described second cavity are respectively equipped with the opening with described refrigerant inlet UNICOM.
Further, described first cavity and described second cavity are respectively equipped with the opening with described refrigerant exit UNICOM.
Further, it also includes the flat head being connected to described shell side one end.
Further, described flat head is provided with medium inlet, media outlet and the transfer for co-ordination medium circulation
Chamber.
Further, described transfer chamber include one end communicate with described medium inlet and the other end and described one-level restrain into
The first transfer chamber of communicating of mouth, one end communicate with described media outlet and the other end communicates with the outlet of described diode bundle second
The 3rd transfer that transfer chamber and one end communicate with the tube bank outlet of described one-level and the other end communicates with described diode beam entrance
Chamber.
Further, described heating surface bank includes U-tube, and described U-tube is gradient arrangement.
Further, being provided with two division boards in described host cavity, described host cavity is divided into by described division board
One cavity, the second cavity and the 3rd cavity, described heating surface bank includes being positioned at the one-level tube bank of described first cavity, is positioned at institute
State the diode bundle in the second cavity and be positioned at the triode bundle of described 3rd cavity, described one-level tube bank, described two grades
Tube bank and described triode Shu Qianhou connect；Medium in the tube bank of wherein said one-level is entered by refrigerant in described first cavity
After row one-level heat exchange, described diode bundle can be entered in described second cavity, carry out two grades of heat exchanges, finally can enter institute
State triode bundle and carry out three grades of heat exchanges in described 3rd cavity.
The beneficial effects of the utility model:
The utility model provides a kind of muitishell shell-and-tube heat exchanger, relative to prior art, has the advantage that
By division board, shell side is divided into two or more mutual disconnected cavitys, to the heat transfer in each cavity
Tube bank is individually lowered the temperature, and realizes Multi-stage cooling for all of heating surface bank；
Each cavity is provided with independent refrigerant inlet and refrigerant exit, and when cooling down, the refrigerant in each cavity is mutual
Independent, do not mix mutually mutually, so, medium temperature rapid drawdown can not only be made at short notice, moreover it is possible to make each cavity refrigerant inlet it
Between, the temperature difference between the outlet refrigerant temperature of each cavity less, the temperature difference between refrigerant inlet and refrigerant exit is less simultaneously,
Thus mitigate the live load of refrigerant supply chain；
This muitishell shell-and-tube heat exchanger also sets up the flat head being connected to shell side one end, flat head include one end with
Medium inlet communicates and the other end communicates with one-level tube bank entrance the first transfer chamber, one end communicate and the other end with media outlet
The second transfer chamber communicating with the outlet of diode bundle and one end communicate with one-level tube bank outlet and the other end enters with diode bundle
The 3rd transfer chamber that mouth communicates, by arranging flat head, on the premise of the first cavity and the second cavity are not connected, effectively
Realize that one-level restrains the transfer of the UNICOM between diode bundle and adjacent tube bank at different levels and medium；
Heating surface bank uses gradient arrangement, can ensure that the complete emptying of medium in tube bank, and heat exchange does not have Liquid Residue after terminating
Body, thus improve the cleanliness factor in heating surface bank so that it is reach sanitation-grade requirement；
Heating surface bank, flat head and internal tube plate use sanitation-grade material so that this muitishell shell-and-tube heat exchanger can be fitted
For the higher field of hygienic requirements.
Brief description
Fig. 1 is the front view of the muitishell shell-and-tube heat exchanger of the utility model embodiment.
Fig. 2 is the part isometric structure chart of the muitishell shell-and-tube heat exchanger of the utility model embodiment.
Fig. 3 is the assembling schematic diagram of the muitishell shell-and-tube heat exchanger of the utility model embodiment.
Fig. 4 is the top view of the muitishell shell-and-tube heat exchanger of the utility model embodiment.
Fig. 5 is the sectional view of the muitishell shell-and-tube heat exchanger of the utility model embodiment.
Detailed description of the invention:
Embodiment one: if Fig. 1 is to shown in 5, the utility model provides a kind of muitishell shell-and-tube heat exchanger, and it belongs to fluid
Domain of control temperature, can be used for cooling down thermal medium, makees further to explain in detail to the present embodiment below with reference to accompanying drawing
State.
As shown in Figures 1 to 3, the muitishell shell-and-tube heat exchanger that the present embodiment is provided, including shell side 1, is arranged in shell side 1
Host cavity 2, contains heating surface bank 3 in host cavity 2, one end of shell side 1 is provided with flat head 4.Wherein, the host cavity 2 of shell side 1
Inside being provided with division board 5, division board 5 is fixed on host cavity 2 inner surface by fixed block (figure has no).Division board 5 can be one,
Two or more, host cavity 2 is correspondingly equally divided into two, three or three with upper cavity by division board 5.The present embodiment
Middle division board 5 quantity is one, and therefore host cavity 2 is isolated plate 5 and is equally divided into the first cavity 21 and the second cavity 22, the first chamber
Body 21 and the second cavity 22 lay respectively at division board 5 both sides, and the first cavity 21 and the second cavity 22 Hu Bu UNICOM.
Shell side 1 two ends are provided with refrigerant inlet 11 and refrigerant exit 12, and the refrigerant inlet 11 in the present embodiment is located at shell side 1
Lower surface, with the first cavity 21 and opening the 211st, 221 UNICOM by setting on it for second cavity 22；Refrigerant exit 12 is located at shell
Journey 1 upper surface, with the first cavity 21 and opening the 212nd, 222 UNICOM by setting on it for second cavity 22.
The 211st, refrigerant 221 respectively enters the first cavity 21 and the second cavity 22 from refrigerant inlet 11 by opening, then again
Discharged by refrigerant exit 12 after opening the 212nd, 222.Period respectively enters two of the first cavity 21 and the second cavity 22
Divide refrigerant completely isolated, do not mix mutually mutually, simply when inlet and outlet, share a refrigerant main entrance 11 and a refrigerant always goes out
Mouth 12.
The heating surface bank 3 being located in host cavity 2 includes the one-level tube bank 31 being positioned at the first cavity 21 and is positioned at second
Diode bundle 32 in cavity 22, one-level tube bank 31 is connected before and after diode bundle 32.Medium in one-level tube bank 31 is first
After carrying out one-level heat exchange by refrigerant in cavity 21, carried out by refrigerant in the second cavity 22 in diode bundle 32 can be entered
Two grades of heat exchanges.
Therefore, the muitishell shell-and-tube heat exchanger in the present embodiment is double-shell side structure, and medium to be cooled uses two-stage
The form of cooling, sequentially passes through one-level tube bank the 31st, diode bundle 32, successively by the refrigerant in the first cavity the 21st, the second cavity 22
Cool.It is so designed that, has both added the holdup time of medium so that medium can reach the cooling effect of the bigger temperature difference
Really, and obtain cooling rate faster；Meanwhile, the refrigerant in each cavity, it is less into and out of temperature difference, can mitigate
The live load of refrigerant supply chain.
For the ease of installing and placing, the top of this shell-and-tube heat exchanger, equipped with hanger 60, can be used for being hung installation；
Bottom, equipped with saddle 70, can be used for its horizontal positioned.
If Fig. 4 is to shown in 5, in the present embodiment, one-level tube bank the 31st, the preferred U-tube of diode bundle 32, the selection of U-tube, no
It is only capable of coordinating heat exchanger to realize that two-stage is lowered the temperature, extend the holdup time in the cooling of every one-level for the medium especially.One-level tube bank 31
Being provided with one-level tube bank entrance 311 and the one-level tube bank outlet 312 laying respectively at U-tube two ends, diode bundle 32 is provided with position respectively
Diode bundle 321 entrance and diode bundle in U-tube two ends export 322.
This shell-and-tube heat exchanger also includes the flat head 4 being connected to shell side 1 one end.It is provided with medium on flat head 4
Entrance the 6th, media outlet 7 and multiple transfer chamber for co-ordination medium circulation.These transfer chambers in the present embodiment, including even
First transfer chamber of logical medium inlet 6 and one-level tube bank entrance 311 the 41st, connect media outlet 7 and diode bundle export 322 the
Two transfer chambers 42 and the 3rd transfer chamber 43 of connection one-level tube bank outlet 312 and diode beam entrance 321.
Specifically, medium inlet 6 is connected with one-level tube bank entrance 311 by the first transfer chamber 41, is positioned at flat head 4
Bottom, media outlet 7 exports 322 by the second transfer chamber 42 and diode bundle and is connected, and is positioned at the bottom of flat head 4, and the 3rd
Transfer chamber 43, for UNICOM's one-level tube bank outlet 312 and diode beam entrance 321, is positioned at the top of flat head 4.Therefore, put down
First transfer chamber of lid end socket 4 the 41st, the second transfer chamber the 42nd, the 3rd transfer chamber 43 and heating surface bank 3 collectively form and change shell-and-tube and change
The tube side of hot device；Medium in heating surface bank 3 realizes circulation and the exchange of medium by the transfer chamber of flat head 4.
Improving as further, U-tube is ramp arrangement, and the two-part gradient trend of every one-level tube bank is contrary, also
That is, one-level tube bank 31 and diode bundle 32 are the U-tube that opening magnifies, i.e. one-level tube bank entrance 311 and one-level tube bank
Distance between outlet 312, more than distance, diode beam entrance 321 and the diode bundle at the bend two ends of one-level tube bank 31
Distance between outlet 322, more than the distance at the bend two ends of diode bundle 32.So, media outlet 7 is in minimum all the time
Point, it is connected with diode bundle outlet 322 by the second transfer chamber 42, it is simple to the complete emptying of medium in heating surface bank 3, enters one
Step improves the cleanliness factor in heating surface bank 3, thus reaches sanitation-grade requirement.
In first cavity 21 and the second cavity 22, be respectively equipped with one-level tube bank 31 be vertically arranged or with diode bundle 32
Deflection plate 8 connected vertically, deflection plate 8 both can improve heat-transfer effect, it is also possible to plays the effect of firm heating surface bank 3.The
Being additionally provided with, in one cavity 21 and the second cavity 22, the pull bar 9 be arrangeding in parallel with U-tube, deflection plate 8 is by being located on pull bar 9
To fix.
As shown in Figs. 3-4, this shell-and-tube heat exchanger also includes the outer tube being attached between flat head 4 and shell side 1 successively
Plate the 20th, internal tube plate 30, outer tube plate 20 and internal tube plate 30 are by fixing.Wherein, outer tube plate the 20th, internal tube plate 30 is equipped with for conducting heat
What tube bank 3 was passed through perforation, heating surface bank 3 is fixed by way of welding of rising by internal tube plate 30 and outer tube plate 20 simultaneously.Equally
, pull bar 9 is fixed on internal tube plate 30 also by welding manner.Flat head the 4th, outer tube plate 20 and internal tube plate 30 pass through nut
80th, bolt 90 and shell flange 40 are fixed on shell side 1, and need between internal tube plate 30 and shell side 1 to keep sealing, thus keep
The sealing of equipment.It is provided for preventing the leakage grooves 301 of overflow on internal tube plate 30, for when heating surface bank 3 and internal tube plate 30
The overflow producing medium or secondary refrigerant leakage because of poorly sealed close.
If Fig. 1 is to shown in 2, shell side 1 also includes evacuation port 51 and discharging hole 50.Evacuation port 51 is located at shell side 1 upper surface,
For discharging waste gas, or the incoagulable gas such as air can be produced when refrigerant is heated.Discharging hole 50 is located at shell side 1 following table
Face, for discharging remaining refrigerant after use terminates.
In order to meet medicine, field of food requirement, in the present embodiment, the parts of circulation medium all use sanitation-grade material, i.e.
Heating surface bank the 3rd, flat head 4 and internal tube plate 30, all use sanitation-grade 304/316L stainless steel, and interior polished surface process
Ra≤0.4 μm, surface accurate degree is high.
When carrying out cooling down thermal medium, ratio is if desired for being 2-8 DEG C by the water for injection rapid drawdown of 80 DEG C, then by 80 DEG C
Water squeeze into this heat exchanger from medium inlet 6, the water of 80 DEG C through one-level restrain 31, reduce to 40 by temperature after one-level heat exchange
About DEG C, entering back into diode bundle 32, after two grades of heat exchanges, temperature reduces to 6 DEG C, can complete cooling process, and now from
The refrigerant that refrigerant exit 12 is discharged, the refrigerant entering with refrigerant inlet 11, the temperature difference is not very big, further reduces refrigerant and supplies
Answer the live load of chain, reduce cost.
Embodiment two: the utility model provides a kind of muitishell shell-and-tube heat exchanger, with the shell described in embodiment one
Formula heat exchanger structure is essentially identical, simply arranges two division boards in host cavity, and host cavity is divided into the first chamber by division board
Body, the second cavity and the 3rd cavity, heating surface bank includes being positioned at the one-level tube bank of the first cavity, is positioned at the two of the second cavity
Level tube bank and the triode bundle being positioned at the 3rd cavity, one-level tube bank, diode bundle and triode Shu Qianhou connect；Wherein one
After medium in level tube bank carries out one-level heat exchange by refrigerant in the first cavity, diode bundle can be entered in the second cavity
Carry out two grades of heat exchanges, in finally entering triode Shu tri-cavity, carry out three grades of heat exchanges.
Correspondingly, it is correspondingly provided with four transfer chambers in flat head, for coordinating heating surface bank to carry out the circulation of medium.
Being so designed that, the effect of reached abrupt temperature drop becomes apparent from.
Certainly, we also can arrange three division boards, and host cavity is divided into four cavitys, or arrange four or with
Host cavity is divided into five or more cavitys by upper division board, and the effect increasing the reached abrupt temperature drop of division board becomes apparent from, but
Being the shell side also needing further exist for greater room, therefore, we can use changing of different division board quantity according to actual conditions
Hot device.
The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from the utility model principle, can also make some improvements and modifications, these improve and profit
Decorations are also considered as protection domain of the present utility model.
Claims (9)
1. a muitishell shell-and-tube heat exchanger, including shell side, is provided with host cavity in described shell side, house in described host cavity
There is heating surface bank, it is characterised in that: being additionally provided with division board in the host cavity of described shell side, described division board is by described host cavity
It is divided into the first cavity and the second cavity, described first cavity and described second cavity Hu Bu UNICOM；Described heating surface bank includes
The diode bundle of described second cavity, the tube bank of described one-level and institute are restrained and be positioned to the one-level being positioned at described first cavity
State diode Shu Qianhou to connect；Medium in the tube bank of wherein said one-level carries out one-level heat by refrigerant in described first cavity
After exchange, described diode bundle can be entered in described second cavity, carry out two grades of heat exchanges.
2. muitishell shell-and-tube heat exchanger according to claim 1, is characterized by: be provided with refrigerant inlet on described shell side
And refrigerant exit, simultaneously and described first cavity and the second cavity UNICOM, described refrigerant exit is also to described refrigerant inlet simultaneously
With described first cavity and the second cavity UNICOM.
3. muitishell shell-and-tube heat exchanger according to claim 2, is characterized by: described first cavity and described second chamber
Body is respectively equipped with the opening with described refrigerant inlet UNICOM.
4. muitishell shell-and-tube heat exchanger according to claim 2, is characterized by: described first cavity and described second chamber
Body is respectively equipped with the opening with described refrigerant exit UNICOM.
5. muitishell shell-and-tube heat exchanger according to claim 1, is characterized by: it also includes being connected to described shell side one
The flat head of end.
6. muitishell shell-and-tube heat exchanger according to claim 5, is characterized by: described flat head is provided with medium and enters
Mouth, media outlet and the transfer chamber for co-ordination medium circulation.
7. muitishell shell-and-tube heat exchanger according to claim 5, is characterized by: described transfer chamber include one end with described
Medium inlet communicates and the other end communicates with described one-level tube bank entrance the first transfer chamber, one end communicate with described media outlet
And the second transfer chamber of communicating of the other end and described diode bundle outlet and one end and described one-level restrain outlet and communicate and separately
The 3rd transfer chamber that one end communicates with described diode beam entrance.
8. muitishell shell-and-tube heat exchanger according to claim 1, is characterized by: described heating surface bank includes U-tube, institute
Stating U-tube is gradient arrangement.
9. muitishell shell-and-tube heat exchanger according to claim 1, is characterized by: be provided with in described host cavity two every
From plate, described host cavity is divided into the first cavity, the second cavity and the 3rd cavity by described division board, and described heating surface bank includes
It is positioned at the one-level tube bank of described first cavity, be positioned at the diode bundle of described second cavity and be positioned at described 3rd cavity
Interior triode bundle, the tube bank of described one-level, described diode bundle and described triode Shu Qianhou connect；Wherein said one-level is restrained
After interior medium carries out one-level heat exchange by refrigerant in described first cavity, described diode bundle can be entered described second
Carry out two grades of heat exchanges in cavity, finally can enter described triode bundle and carry out three grades of heat exchanges in described 3rd cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545153.9U CN205679096U (en) | 2016-06-07 | 2016-06-07 | A kind of muitishell shell-and-tube heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620545153.9U CN205679096U (en) | 2016-06-07 | 2016-06-07 | A kind of muitishell shell-and-tube heat exchanger |
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| Publication Number | Publication Date |
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| CN205679096U true CN205679096U (en) | 2016-11-09 |
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| CN201620545153.9U Active CN205679096U (en) | 2016-06-07 | 2016-06-07 | A kind of muitishell shell-and-tube heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890402A (en) * | 2016-06-07 | 2016-08-24 | 纳盛洁净技术（苏州）有限公司 | Multi-shell-side shell-and-tube heat exchanger |
-
2016
- 2016-06-07 CN CN201620545153.9U patent/CN205679096U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105890402A (en) * | 2016-06-07 | 2016-08-24 | 纳盛洁净技术（苏州）有限公司 | Multi-shell-side shell-and-tube heat exchanger |
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