CN209431920U - A kind of shell-and-tube exchanger - Google Patents
A kind of shell-and-tube exchanger Download PDFInfo
- Publication number
- CN209431920U CN209431920U CN201821922788.1U CN201821922788U CN209431920U CN 209431920 U CN209431920 U CN 209431920U CN 201821922788 U CN201821922788 U CN 201821922788U CN 209431920 U CN209431920 U CN 209431920U
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- circular tube
- tube shaped
- tube
- end socket
- shell
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Abstract
The utility model discloses a kind of shell-and-tube exchangers.It includes circular tube shaped shell, circular tube shaped enclosure interior is equipped with circular tube shaped heat insulation cylinder, one end of circular tube shaped shell is equipped with bobbin carriage, the centre of bobbin carriage is equipped with partition, the other end of circular tube shaped shell is equipped with end socket, closing tube sheet is equipped between circular tube shaped shell and bobbin carriage and between circular tube shaped shell and end socket, several tube banks are equipped in circular tube shaped heat insulation cylinder, tube bank is mounted between two closing tube sheets by through-hole, one end of tube bank is connected to bobbin carriage, the other end of tube bank is connected to end socket, the upper end of bobbin carriage is equipped with refrigerant inlet end, the lower end of bobbin carriage is equipped with refrigerant exit end, the upper end of circular tube shaped heat insulation cylinder is equipped with water outlet, the lower end of circular tube shaped heat insulation cylinder is equipped with water inlet.The beneficial effects of the utility model are: thermal conversion efficiency is high, work efficiency is high, and refrigerant utilization rate is high, understands the conversion situation of refrigerant in real time, and high safety and reliability effectively prevent coolant backflow, and effective protection whole device is not damaged, good heat-insulation effect.
Description
Technical field
The utility model relates to air energy water heater correlative technology fields, refer in particular to a kind of shell-and-tube exchanger.
Background technique
Heat exchanger (also known as heat exchanger or heat-exchange apparatus) be for making heat be transmitted to cold fluid from hot fluid, with
The device that technique as defined in meeting requires, is a kind of industrial application of convective heat transfer and heat transfer.Heat exchanger can be by different
Mode is classified.Dividing wall type, hybrid, heat accumulating type (or back-heating type) three categories can be divided by its operating process；By its surface
Compactness can be divided into two class of close-coupled and non-close-coupled.
Stainless steel heat exchanger is the heat exchanger using material for stainless steel material, has extraordinary anti-oxidant spy
Property, the fields such as food, medicine, heating, domestic water, air-conditioning return water are widely applied in safety and sanitation.According to heat exchange equipment popularization center
Data show, stainless steel heat exchanger than traditional simple steel heat exchanger heat transfer effect have more good heat-transfer effect, and
Service life use is longer.Stainless steel heat exchanger achieves relatively broad application in current many fields, which uses
Food-grade stainless steel material has antirust very outstanding, the characteristic of good antiscale property.Chinese main production stainless steel heat exchanger
Area is Shandong and Jiangsu, this two province is the big province of production of pressure container, and scope of the enterprise is bigger, and it is relatively more prominent to design and manufacture ability
Out.
It is poor often to there is heat insulation in existing heat exchanger, causes heat losses more serious, reduces heat exchanger
Working efficiency.
Utility model content
The utility model is in order to overcome the above deficiencies in the prior art, it is high-efficient to provide a kind of thermal transition
Shell-and-tube exchanger.
To achieve the goals above, the utility model uses following technical scheme:
A kind of shell-and-tube exchanger, including circular tube shaped shell, it is heat-insulated that the circular tube shaped enclosure interior is equipped with circular tube shaped
Cylinder, one end of the circular tube shaped shell are equipped with bobbin carriage, and the centre of the bobbin carriage is equipped with partition, the other end of the circular tube shaped shell
Equipped with end socket, closing tube sheet, institute are equipped between the circular tube shaped shell and bobbin carriage and between circular tube shaped shell and end socket
The circular tube shaped shell stated, circular tube shaped heat insulation cylinder and two closing tube sheets constitute a vacuum layers, on the closing tube sheet and
Several through-holes are equipped with positioned at the inside of circular tube shaped heat insulation cylinder, the through-hole is centered on the plane where partition in symmetrical above and below
Distribution, is equipped with several tube banks in the circular tube shaped heat insulation cylinder, the tube bank by through-hole be mounted on two closing tube sheets it
Between, one end of the tube bank is connected to bobbin carriage, and the other end of the tube bank is connected to end socket, on the upper surface of the bobbin carriage and position
It is equipped with refrigerant inlet end in the top of partition, on the lower end surface of the bobbin carriage and is located at the lower section of partition and is equipped with refrigerant exit end,
The upper end of the circular tube shaped heat insulation cylinder and it is equipped with water outlet through circular tube shaped shell, the lower end of the circular tube shaped heat insulation cylinder and run through
Circular tube shaped shell is equipped with water inlet.
In use, high temperature and high pressure gas is entered in bobbin carriage by refrigerant inlet end, high temperature and high pressure gas is from being placed in partition
The tube bank of top enters in end socket, then enters in bobbin carriage from the tube bank being placed in below partition again；In above process, lead to
Cross water inlet cold water is injected into circular tube shaped heat insulation cylinder, the tube bank of what cold water first touched be placed in lower section, after touch
It is placed in the tube bank of top, cold water absorbs the heat in tube bank and then heats up, until water outlet excludes hot water；And in restraining
High temperature and high pressure gas becomes cryogenic high pressure liquid after absorbing heat by cold water, flows out from refrigerant exit end；Cold water from lower and
On water level design, enable cold water largely to absorb the heat heating in the tube bank of lower section, cold water has been when restraining interior to top
There is certain temperature, so that gas is not easy to become liquid in the tube bank of top, and can be by high temperature and pressure in the tube bank of lower section
Gas thoroughly becomes cryogenic high pressure liquid；So on the one hand design can effectively improve thermal conversion efficiency, while pass through pipe
The design of beam enables refrigerant contact cold water as much as possible, so as to preferably improve working efficiency.
Preferably, the upper surface inner wall of the circular tube shaped heat insulation cylinder is equipped with several upper hydraulic barriers, the circular tube shaped
The lower end surface inner wall of heat insulation cylinder be equipped with lower hydraulic barrier corresponding with upper hydraulic barrier, the shape of the upper hydraulic barrier and
The shape of lower hydraulic barrier is consistent, and is equipped on the upper hydraulic barrier and lower hydraulic barrier for installing tube bank
Hole, the distributed architecture of the upper hydraulic barrier and lower hydraulic barrier in circular tube shaped heat insulation cylinder are spaced apart using interlocking up and down,
The position of the water inlet is placed in the lower end of circular tube shaped heat insulation cylinder and at the position of bobbin carriage, and the position of the water outlet is placed in
At the upper end of circular tube shaped heat insulation cylinder and the position of close end socket.It is designed, is made by the structure of upper hydraulic barrier and lower hydraulic barrier
The cold water of circular tube shaped heat insulation cylinder is gradually warmed up from left to right and from bottom to top, on the one hand enable to cold water can adequately with
Tube bank is in contact, and on the other hand enables to the refrigerant in tube bank adequately can absorb heat by cold water, and then improve heat
Transfer efficiency.
Preferably, the shape of the end socket is hemispherical, the lower end surface of the end socket is equipped with a stripping and slicing, described to cut
The tube bank of plane and bottom on closing tube sheet where block is tangent, and the end socket is made using heat-barrier material.Pass through
The structure of stripping and slicing designs, and enables the liquid coolant of the interior lower section of end socket completely into arriving in tube bank, so that not having in end socket
The refrigerant of liquid remains, and improves the utilization efficiency of refrigerant.
Preferably, the hemisphere face of the end socket is equipped with observation window, the length of the observation window is from the upper end of end socket
Along the lower end of hemispherical middle line to end socket at the position where stripping and slicing.By the design of observation window, so that operator
Member can understand the conversion situation of the refrigerant in the device in real time, and the disengaging of refrigerant can be adjusted according to the change over condition of refrigerant
Amount.
Preferably, the closing tube sheet between the circular tube shaped shell and end socket is equipped with deflector, the deflector
It is placed in the inside of end socket, the deflector is placed in the middle position of closing tube sheet, and being directed downward for the deflector is described
The lowest positions of deflector are higher than the tube bank position of the top on lower hydraulic barrier.By the design of deflector, so that refrigerant
Can completely into arrive end socket lower section, and be placed in the refrigerant below end socket will not flow backwards enter top tube bank in, really
Protect the reliable use of the device；In addition, the direction of deflector is designed, enable liquid refrigerant to the inner wall below end socket
It is washed away, clears up the dirt in end socket, it is also possible that liquid refrigerant more quickly enters in tube bank from refrigerant
Outlet end outflow.
Preferably, the closing tube sheet is equipped with bearing block, one end of the deflector is equipped with shaft, and described leads
Flowing plate is mounted on the bearing block of closing tube sheet by shaft, on the closing tube sheet and is placed in the lower section of bearing block equipped with gear
Block, the other end of the deflector are equipped with a rectangular buoyancy tank, the deflector when being placed on block rectangular buoyancy tank it is most lower
End position is higher than the tube bank position of the top on lower hydraulic barrier, and the cross-sectional shape of the end socket is semicircle, the end socket
Upper quadrant radius be less than end socket lower quadrant radius, the shape of the deflector is semicircle, institute
The radius for stating deflector is consistent with the radius of upper quadrant of end socket, the entire length of the deflector and rectangular buoyancy tank with
The radius of the lower quadrant of end socket is consistent.By the design of rectangular buoyancy tank, so that liquid refrigerants is stacked into one below end socket
When determining degree, so that rectangular buoyancy tank drives deflector up to move, until rectangular buoyancy tank is in contact with the notch on end socket, thus
Two parts up and down of end socket are isolated by deflector and rectangular buoyancy tank, prevent liquid coolant from flowing backwards, influencing the device normally makes
With.
It is done preferably, the joining place of the lower quadrant on the upper quadrant of the end socket and with end socket is equipped with
Reed pipe is equipped with magnet, sets on the refrigerant inlet end on the upper surface of the rectangular buoyancy tank and at the position far from deflector
There is solenoid valve, the tongue tube is electrically connected with the solenoid valve by single-chip microcontroller.By the design of tongue tube and magnet, so that water conservancy diversion
When end socket is separated into two parts up and down by plate, signal is passed into single-chip microcontroller, and the signal received is sent to electricity by single-chip microcontroller
Magnet valve turns off refrigerant inlet end, prevents the refrigerant from continuing the damage for being passed through and causing whole device.
Preferably, being equipped with heat-barrier material in the vacuum layer.By the design of heat-barrier material, circular tube shaped is enabled to
The surface of shell is not hot, improves the security performance of the device.
The beneficial effects of the utility model are: thermal conversion efficiency is high, work efficiency is high, and refrigerant utilization rate is high, can be real-time
Understand the conversion situation of refrigerant, high safety and reliability can effectively prevent coolant backflow, whole device can be effectively protected
It is not damaged, good heat-insulation effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the internal cross section structural schematic diagram of circular tube shaped shell；
Fig. 3 is the internal cross section structural schematic diagram of end socket；
Fig. 4 is the structural schematic diagram of deflector.
In figure: 1. circular tube shaped shells, hydraulic barrier on 2., 3. vacuum layers, 4. water outlets, 5. deflectors, 6. end sockets, 7. envelopes
Stopped pipe plate, 8. tube banks, 9. circular tube shaped heat insulation cylinders, 10. lower hydraulic barriers, 11. water inlets, 12. refrigerant exit ends, 13. bobbin carriages,
14. partition, 15. refrigerant inlet ends, 16. holes, 17. shafts, 18. bearing blocks, 19. blocks, 20. strippings and slicings, 21. tongue tubes, 22. magnetic
Iron, 23. rectangular buoyancy tanks.
Specific embodiment
The utility model is further described with reference to the accompanying drawings and detailed description.
In the embodiment described as shown in Figure 1, Figure 2, a kind of shell-and-tube exchanger, including circular tube shaped shell 1, circular tube shaped shell
1 inside is equipped with circular tube shaped heat insulation cylinder 9, and one end of circular tube shaped shell 1 is equipped with bobbin carriage 13, and the centre of bobbin carriage 13 is equipped with partition 14, circle
The other end of tubular shell 1 is equipped with end socket 6, between circular tube shaped shell 1 and bobbin carriage 13 and between circular tube shaped shell 1 and end socket 6
It is equipped with closing tube sheet 7, circular tube shaped shell 1, circular tube shaped heat insulation cylinder 9 and two closing tube sheets 7 constitute a vacuum layer 3, envelope
Inside on stopped pipe plate 7 and positioned at circular tube shaped heat insulation cylinder 9 is equipped with several through-holes, and through-hole is in centered on the plane where partition 14
Distribution symmetrical above and below, is equipped with several tube banks 8 in circular tube shaped heat insulation cylinder 9, tube bank 8 by through-hole be mounted on two closing tube sheets 7 it
Between, restrain 8 one end and be connected to bobbin carriage 13, restrain 8 other end and be connected to end socket 6, on the upper surface of bobbin carriage 13 and be located at every
The top of plate 14 is equipped with refrigerant inlet end 15, on the lower end surface of bobbin carriage 13 and is located at the lower section of partition 14 and is equipped with refrigerant exit end
12, the upper end of circular tube shaped heat insulation cylinder 9 and it is equipped with water outlet 4 through circular tube shaped shell 1, the lower end of circular tube shaped heat insulation cylinder 9 and run through
Circular tube shaped shell 1 is equipped with water inlet 11.Heat-barrier material is equipped in vacuum layer 3.
As shown in Fig. 2, the upper surface inner wall of circular tube shaped heat insulation cylinder 9 is equipped with several upper hydraulic barriers 2, circular tube shaped heat insulation cylinder
9 lower end surface inner wall is equipped with lower hydraulic barrier 10 corresponding with upper hydraulic barrier 2, the shape of upper hydraulic barrier 2 and lower folding
The shape of stream baffle 10 is consistent, and the hole 16 for installing tube bank 8 is equipped on upper hydraulic barrier 2 and lower hydraulic barrier 10,
The distributed architecture of upper hydraulic barrier 2 and lower hydraulic barrier 10 in circular tube shaped heat insulation cylinder 9 is intake using being staggeredly spaced apart up and down
The position of mouth 11 is placed in the lower end of circular tube shaped heat insulation cylinder 9 and at the position of bobbin carriage 13, and the position of water outlet 4 is placed in circular tube shaped
At the upper end of heat insulation cylinder 9 and the position of close end socket 6.
As shown in figure 3, the shape of end socket 6 is hemispherical, the lower end surface of end socket 6 is equipped with a stripping and slicing 20,20 institute of stripping and slicing
Plane and closing tube sheet 7 on bottom tube bank 8 it is tangent, end socket 6 is made using heat-barrier material.The hemisphere of end socket 6
Face be equipped with observation window, the length of observation window be from the upper end of end socket 6 along hemispherical middle line to the lower end of end socket 6 up to cutting
At position where block 20.
As shown in Figure 3, Figure 4, the closing tube sheet 7 between circular tube shaped shell 1 and end socket 6 is equipped with deflector 5, deflector 5
It is placed in the inside of end socket 6, deflector 5 is placed in the middle position of closing tube sheet 7, and deflector 5 is directed downward, deflector 5
Lowest positions are higher than 8 position of tube bank of the top on lower hydraulic barrier 10.It closes tube sheet 7 and is equipped with bearing block 18, deflector 5
One end be equipped with shaft 17, deflector 5 by shaft 17 be mounted on closing tube sheet 7 bearing block 18 on, close tube sheet 7 on and set
It is equipped with block 19 in the lower section of bearing block 18, the other end of deflector 5 is equipped with a rectangular buoyancy tank 23, and deflector 5 is placed in gear
When on block 19 lowest positions of rectangular buoyancy tank 23 be higher than lower hydraulic barrier 10 on the top 8 position of tube bank, end socket 6 it is transversal
Face shape is semicircle, and the radius of the upper quadrant of end socket 6 is less than the radius of the lower quadrant of end socket 6, deflector 5
Shape be semicircle, the radius of deflector 5 and the radius of upper quadrant of end socket 6 are consistent, deflector 5 and rectangular buoyancy tank
23 entire length is consistent with the radius of lower quadrant of end socket 6.On the upper quadrant of end socket 6 and with end socket 6
The joining place of lower quadrant is equipped with tongue tube 21, sets on the upper surface of rectangular buoyancy tank 23 and at the position far from deflector 5
There is magnet 22, refrigerant inlet end 15 is equipped with solenoid valve, and tongue tube 21 is electrically connected with the solenoid valve by single-chip microcontroller.
Working principle: in use, high temperature and high pressure gas is entered in bobbin carriage 13 by refrigerant inlet end 15, high temperature and pressure gas
Body enters in end socket 6 from the tube bank 8 being placed in above partition 14, and then the refrigerant in end socket 6 is again from being placed in the lower section of partition 14
Tube bank 8 enters in bobbin carriage 13, finally flows out from refrigerant exit end 12；In above process, cold water is infused by water inlet 11
Enter into circular tube shaped heat insulation cylinder 9, is designed by the structure of upper hydraulic barrier 2 and lower hydraulic barrier 10, cold water flows from left to right, cold
The tube bank 8 that water first touched be placed in below the left side fully absorbs heat heating, then touches the tube bank 8 above the left side
Heat is absorbed, water temperature is gradually warmed up from left to right, while water temperature is gradually warmed up from bottom to top, the high temperature in top left side tube bank 8
Even if high pressure gas fully absorb heat reduce temperature as high temperature and high pressure gas that refrigerant inlet end 15 persistently inputs and
Heating, so predominantly gas in the tube bank 8 of 14 top of partition, can be blown in end socket 6, end socket 6 having liquid by gas
The interior design by deflector 5, deflector 5 are limited by block 19 and form certain angle downward, cryogenic high pressure liquid is guided
It is flowed in bobbin carriage 13 onto the stripping and slicing 20 of 6 lower section of end socket, and along the tube bank 8 of 14 lower section of partition, if the liquid of 6 lower section of end socket
When having accumulation, rectangular buoyancy tank 23 on deflector 5 by liquid effect and rise, until on rectangular buoyancy tank 23 magnet 22 with
Tongue tube 21 on notch is in contact, and sends a signal to single-chip microcontroller and then controls electromagnetism valve breakdown refrigerant inlet end 15, same with this
When, end socket 6 is separated into two parts up and down by deflector 5 and rectangular buoyancy tank 23, so that the liquid of lower section will not be flow backwards, it is effective to protect
The normal use of the device is demonstrate,proved.
Claims (8)
1. a kind of shell-and-tube exchanger, characterized in that including circular tube shaped shell (1), set inside the circular tube shaped shell (1)
Have circular tube shaped heat insulation cylinder (9), one end of the circular tube shaped shell (1) is equipped with bobbin carriage (13), and the centre of the bobbin carriage (13) is equipped with
Partition (14), the other end of the circular tube shaped shell (1) are equipped with end socket (6), the circular tube shaped shell (1) and bobbin carriage (13) it
Between and circular tube shaped shell (1) and end socket (6) between be equipped with closing tube sheet (7), the circular tube shaped shell (1), circular tube shaped
Heat insulation cylinder (9) and two closing tube sheets (7) constitute a vacuum layers (3), on the closing tube sheet (7) and are located at circular tube shaped
The inside of heat insulation cylinder (9) is equipped with several through-holes, and the through-hole is in symmetrical above and below point centered on the plane where partition (14)
Cloth, the circular tube shaped heat insulation cylinder (9) is interior to be equipped with several tube banks (8), and the tube bank (8) is mounted on two closings by through-hole
Between tube sheet (7), one end of the tube bank (8) is connected to bobbin carriage (13), and the other end of the tube bank (8) is connected to end socket (6),
Top on the upper surface of the bobbin carriage (13) and positioned at partition (14) is equipped with refrigerant inlet end (15), under the bobbin carriage (13)
On end face and it is located at the lower section of partition (14) and is equipped with refrigerant exit end (12), the upper end of the circular tube shaped heat insulation cylinder (9) and runs through
Circular tube shaped shell (1) be equipped with water outlet (4), the lower end of the circular tube shaped heat insulation cylinder (9) and through circular tube shaped shell (1) be equipped with into
The mouth of a river (11).
2. a kind of shell-and-tube exchanger according to claim 1, characterized in that the circular tube shaped heat insulation cylinder (9) it is upper
End face inner wall is equipped with several upper hydraulic barriers (2), and the lower end surface inner wall of the circular tube shaped heat insulation cylinder (9) is equipped with and upper baffling
The corresponding lower hydraulic barrier (10) of baffle (2), the shape of the upper hydraulic barrier (2) and the shape of lower hydraulic barrier (10) are
It is consistent, the hole (16) for installing tube bank (8), institute are equipped on the upper hydraulic barrier (2) and lower hydraulic barrier (10)
The distributed architecture of hydraulic barrier (2) and lower hydraulic barrier (10) in circular tube shaped heat insulation cylinder (9) is stated to be spaced using interlocking up and down
Distribution, the position of the water inlet (11) is placed in the lower end of circular tube shaped heat insulation cylinder (9) and at the position of bobbin carriage (13), described
The position of water outlet (4) is placed in the upper end of circular tube shaped heat insulation cylinder (9) and at the position of end socket (6).
3. a kind of shell-and-tube exchanger according to claim 1 or 2, characterized in that the shape of the end socket (6) is half
The lower end surface of spherical shape, the end socket (6) is equipped with a stripping and slicing (20), plane and closing tube sheet where the stripping and slicing (20)
(7) tube bank (8) of bottom is tangent on, and the end socket (6) is made using heat-barrier material.
4. a kind of shell-and-tube exchanger according to claim 3, characterized in that set on the hemisphere face of the end socket (6)
Have an observation window, the length of the observation window be from the upper end of end socket (6) along hemispherical middle line to end socket (6) lower end up to
At position where stripping and slicing (20).
5. a kind of shell-and-tube exchanger according to claim 1 or 2, characterized in that the circular tube shaped shell (1) and envelope
Closing tube sheet (7) between head (6) is equipped with deflector (5), and the deflector (5) is placed in the inside of end socket (6), described
Deflector (5) is placed in the middle position of closing tube sheet (7), and deflector (5) are directed downward, the deflector (5)
Lowest positions are higher than tube bank (8) position of the top on lower hydraulic barrier (10).
6. a kind of shell-and-tube exchanger according to claim 5, characterized in that the closing tube sheet (7) is equipped with
One end of bearing block (18), the deflector (5) is equipped with shaft (17), and the deflector (5) is mounted on by shaft (17)
On the bearing block (18) for closing tube sheet (7), on the closing tube sheet (7) and the lower section of bearing block (18) is placed in equipped with block
(19), the other end of the deflector (5) is equipped with a rectangular buoyancy tank (23), and the deflector (5) is placed on block (19)
When rectangular buoyancy tank (23) lowest positions be higher than tube bank (8) position of the top on lower hydraulic barrier (10), the end socket (6)
Cross-sectional shape be semicircle, the radius of the upper quadrant of the end socket (6) is less than the lower quadrant of end socket (6)
Radius, the shape of the deflector (5) is semicircle, the radius of the deflector (5) and the upper quadrant of end socket (6)
Radius it is consistent, the radius of the lower quadrant of the entire length and end socket (6) of the deflector (5) and rectangular buoyancy tank (23)
Unanimously.
7. a kind of shell-and-tube exchanger according to claim 6, characterized in that the upper a quarter of the end socket (6)
Tongue tube (21) are equipped on circle and with the joining place of the lower quadrant of end socket (6), the upper surface of the rectangular buoyancy tank (23)
Magnet (22) are equipped at upper and position far from deflector (5), the refrigerant inlet end (15) is equipped with solenoid valve, described
Tongue tube (21) is electrically connected with the solenoid valve by single-chip microcontroller.
8. a kind of shell-and-tube exchanger according to claim 1 or 2, characterized in that be equipped in the vacuum layer (3)
Heat-barrier material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922788.1U CN209431920U (en) | 2018-11-21 | 2018-11-21 | A kind of shell-and-tube exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821922788.1U CN209431920U (en) | 2018-11-21 | 2018-11-21 | A kind of shell-and-tube exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209431920U true CN209431920U (en) | 2019-09-24 |
Family
ID=67969565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821922788.1U Active CN209431920U (en) | 2018-11-21 | 2018-11-21 | A kind of shell-and-tube exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209431920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506500A (en) * | 2018-11-21 | 2019-03-22 | 浙江英科新能源有限公司 | A kind of shell-and-tube heat-exchange device |
-
2018
- 2018-11-21 CN CN201821922788.1U patent/CN209431920U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506500A (en) * | 2018-11-21 | 2019-03-22 | 浙江英科新能源有限公司 | A kind of shell-and-tube heat-exchange device |
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