CN208901929U - Liquid heavy metal shell-and-tube heat exchanger - Google Patents
Liquid heavy metal shell-and-tube heat exchanger Download PDFInfo
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- CN208901929U CN208901929U CN201821335240.7U CN201821335240U CN208901929U CN 208901929 U CN208901929 U CN 208901929U CN 201821335240 U CN201821335240 U CN 201821335240U CN 208901929 U CN208901929 U CN 208901929U
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Abstract
The utility model discloses a kind of liquid heavy metal shell-and-tube heat exchanger, including cylinder, respectively be sealedly connected on cylinder upper and lower ends upper cover and lower head, set on tube sheet cylinder intracorporal several heat exchanger tubes and be sealedly connected between cylinder and lower head, the side wall of cylinder is equipped with shell side inlet and shell-side outlet for passing in and out liquid heavy metal；Partition is sealedly connected between tube sheet and lower head, the two sides of partition are respectively formed entrance cavity and outlet plenum, tube sheet is equipped with several first through hole being connected to entrance cavity and several second through-holes being connected to outlet plenum, the arrival end of several heat exchanger tubes is sealedly connected at corresponding several first through hole and is connected to entrance cavity, the outlet end of several heat exchanger tubes is sealedly connected on corresponding several second through holes and is connected to outlet plenum, and lower head is equipped with the tube-side inlet being connected to entrance cavity and the tube side being connected to outlet plenum outlet.The liquid heavy metal shell-and-tube heat exchanger structure of the utility model is simple, it is compact and consolidate it is firm.
Description
Technical field
The utility model relates to reactor technical field of heat exchange devices more particularly to a kind of liquid heavy metal pipe shell type heat exchanges
Device.
Background technique
Lead-containing alloy (such as lead bismuth alloy) is the coolant material of forth generation lead base reactor, have high density, corrosivity,
The features such as abrasion, moreover, the lead-containing alloy in operational process is in the condition of high temperature, once possibility is contacted with high pressure water or other fluid
The accidents such as vapour explosion can occur.At this stage, double pipe heat exchanger is generallyd use to exchange heat, by the cooling medium of low temperature and
The liquid heavy metal of high temperature is respectively placed in inner and outer tubes, the low-temperature cooling media of inner tube and the high-temperature liquid state heavy metal of outer tube
Heat transmitting is carried out to realize heat exchange, the flow resistance of cooling medium and liquid heavy metal in pipeline is larger, moreover, bushing type is changed
The outer tube and inner tube of hot device are in sinuous setting, and outer tube and inner tube all include multiple straight pipes and several be connected to adjacent two
Bend loss between straight pipe, each straight pipe of outer tube cover outside each straight pipe of inner tube, each bend loss set of outer tube
Outside each bend loss of inner tube, there is the problems such as being difficult to realize the firm installation of inner tube, volume is big.
Utility model content
Simple, compact and overall structure that the purpose of this utility model is to provide a kind of structures consolidates a firm liquid huge sum of money
Belong to shell-and-tube heat exchanger.
To achieve the goals above, the utility model discloses a kind of liquid heavy metal shell-and-tube heat exchanger, including cylinder,
Be sealedly connected on respectively the upper and lower ends of the cylinder upper cover and lower head, be set to the intracorporal several heat exchanger tubes of the cylinder with
And it is sealedly connected on the tube sheet between the cylinder and the lower head, the side wall of the cylinder is equipped with for passing in and out a liquid huge sum of money
The shell side inlet and shell-side outlet of category；Partition, the two sides of the partition are sealedly connected between the tube sheet and the lower head
Be respectively formed entrance cavity and outlet plenum, the tube sheet be equipped with several first through hole being connected to the entrance cavity and with the outlet
Several second through-holes of chamber connection, the arrival end of several heat exchanger tubes are sealedly connected at corresponding several first through hole
And be connected to the entrance cavity, the outlet end of several heat exchanger tubes is sealedly connected on corresponding several second through holes simultaneously
It is connected to the outlet plenum, the lower head is equipped with the tube-side inlet that is connected to the entrance cavity and is connected to the outlet plenum
Tube side outlet.
Compared with prior art, the heat exchanger tube of the utility model is set in cylinder, and liquid heavy metal walks shell side, cooling medium
Tube side is walked, liquid heavy metal enters cylinder via shell side inlet, passes through after carrying out heat exchange with the cooling medium in heat exchanger tube by shell
Journey outlet outflow, cooling medium enter entrance cavity via tube-side inlet, then enter heat exchanger tube via the arrival end of heat exchanger tube, with
Outlet plenum is entered by outlet end after the intracorporal liquid heavy metal heat exchange of cylinder, finally exports and flows out via tube side；The utility model
Separate tube side side and shell side side by tube sheet and heat exchanger tube, and tube sheet can provide support, heat exchanger tube and pipe simultaneously for heat exchanger tube
First through hole, the connection of the second through-hole on plate, overall structure consolidates firm；In addition, the utility model passes through in tube sheet and lower envelope
Partition is set between head, and the space between tube sheet and lower head is separated into the outlet end for being connected to heat exchanger tube by partition and tube side exports
Outlet plenum and be connected to the arrival end of heat exchanger tube and the entrance cavity of tube-side inlet, overall structure is simple, compact.
Preferably, several heat exchanger tubes are U-tube, each heat exchanger tube includes two straight pipes and be connected to described in two
The bend loss of the upper end of straight pipe, the lower end of two straight pipes are respectively the arrival end and outlet end；Whereby, reduce heat exchange
The axial length of pipe, to reduce the overall volume of heat exchanger；And the bend loss of heat exchanger tube can reduce due to cold in heat exchanger tube
But the influence of the exchange of thermal stress caused by the temperature difference between the liquid heavy metal in medium and cylinder heat pipe, reduces heat exchanger tube
Deformation, extends the service life of heat exchanger tube, guarantees the safe operation of heat exchanger tube.
Preferably, several heat exchanger tubes be divided into it is multiple rows of, heat exchanger tube described in every row include successively be spaced from inside to outside
The multiple heat exchanger tubes being arranged；It whereby, so that can between liquid heavy metal in cooling medium and cylinder in several heat exchanger tubes
It sufficiently realizes heat exchange, improves heat transfer effect.
Preferably, the liquid heavy metal shell-and-tube heat exchanger further includes support plate, the support plate is fixed on the cylinder
The inner wall of body, the support plate are equipped with several through holes, and several heat exchanger tubes are arranged in corresponding several described run through respectively
Hole；Whereby, heat exchanger tube is stably installed in cylinder, prevents heat exchanger tube from issuing in the impact of liquid heavy metal and cooling medium
Raw displacement or deformation.
Preferably, the upper cover is equipped with blasting piece device, the blasting piece device is reached in the pressure in the upper cover
It is opened when to first threshold；Whereby, it prevents from causing the damage of cylinder and upper cover since the pressure in cylinder and upper cover is excessive
It is bad, guarantee the integrality and safety in operation of heat exchanger.
Preferably, the blasting piece device includes connecting tube and rupture disk, the connecting tube includes the first of inverted u-shaped shape
Second pipe portion of pipe portion and U-shaped shape, the arrival end of first pipe portion are connected to the upper cover, first pipe portion
Outlet end is connected to the arrival end of second pipe portion, and the outlet end of second pipe portion is arranged in the rupture disk.Passing through will
Connecting tube is arranged to double-U-shaped shape, can prevent liquid heavy metal from damaging with vapor ejection to staff or to week
Collarette border pollutes.
Preferably, the connecting tube is equipped with the filter screen for preventing liquid heavy metal from passing through；Whereby, can further prevent
Only liquid heavy metal is gone out with water-vapour spray.
Preferably, the upper cover is equipped with safety valve, the safety valve reaches the second threshold in the pressure in the upper cover
It is opened when value, the second threshold is less than the first threshold；Whereby, the pressure in upper cover is greater than or equal to second threshold
And when being less than first threshold, pressure release can be realized by safety valve.
Preferably, the flow area of the blasting piece device is greater than the flow area of the safety valve.It is through-flow by being arranged
Area different safety valve and blasting piece device, the pressure in upper cover are greater than or equal to second threshold and are less than first threshold
When, it is released stress by the lesser safety valve of flow area, it is through-flow when the pressure in upper cover is greater than or equal to first threshold
The biggish blasting piece device of area automatically opens, and cooperates with safety valve, to realize quick pressure releasing.
Preferably, the upper cover is in arc surfaced, the blasting piece device is set to the top of the upper cover, the safety
Valve is set to the region between the top and bottom of the upper cover.
Preferably, the upper cover is equipped with connection mouth, the connection mouth is connected with cross over pipe, the cross over pipe be used for it is outer
The connection of portion's voltage-stablizer；Whereby, the liquid of liquid heavy metal in heat exchanger can be controlled by the inert gas pressure adjusted in voltage-stablizer
Position height, to provide compressible space when the heat transfer accidents such as tracheal rupture occur, the pressure wave for preventing accident from generating destroy cylinder and
Upper cover, meanwhile, inert gas space can be provided for liquid heavy metal, metal bath surface is prevented to be oxidized.
Preferably, the shell side inlet is arranged in the lower part of the cylinder and forms spacing between the tube sheet, it is described
The bottom of cylinder is equipped with discharge port, and the bottom wall of the discharge port and the upper surface of the tube sheet are substantially concordant.By setting discharging
Mouthful, so that the liquid heavy metal that shell side inlet can not be completely exhausted out, can be discharged by discharge port, it is ensured that liquid heavy metal pipe again
Liquid heavy metal in shell heat exchanger can be emptied all.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model embodiment liquid heavy metal shell-and-tube heat exchanger.
Specific embodiment
For technology contents, the construction feature, the effect realized that the utility model is described in detail, below in conjunction with embodiment
And attached drawing is cooperated to be explained in detail.
In the description of the present invention, it should be understood that term " on ", "lower", "top", "bottom", "inner", "outside" etc.
The orientation or positional relationship of instruction be based on the orientation or positional relationship shown in the drawings, be only for ease of description the utility model and
Simplify description, rather than indicate or imply signified device or element and must have a particular orientation, thus should not be understood as pair
The limitation of the utility model protection content.
Referring to Fig. 1, the utility model discloses a kind of liquid heavy metal shell-and-tube heat exchanger 100, including cylinder 1, point
It is not sealedly connected on the upper cover 2 and lower head 3, several heat exchanger tubes 4 in cylinder 1 and close of the upper and lower ends of cylinder 1
Envelope is connected to the tube sheet 5 between cylinder 1 and lower head 3, and the side wall of cylinder 1 is equipped with the shell side inlet for passing in and out liquid heavy metal
11 and shell-side outlet 12；Partition 6 is sealedly connected between tube sheet 5 and lower head 3, the two sides of partition 6 are respectively formed entrance cavity 61
With outlet plenum 62, tube sheet 5 is equipped with several first through hole 51 being connected to entrance cavity 61 and be connected to outlet plenum 62 several second
Through-hole 52, the arrival end of several heat exchanger tubes 4 are sealedly connected at corresponding several first through hole 51 and are connected to entrance cavity 61, if
The outlet end of dry heat exchanger tube 4 is sealedly connected at corresponding several second through-holes 52 and is connected to outlet plenum 62, and lower head 3 is equipped with
The tube-side inlet 31 being connected to entrance cavity 61 and the tube side being connected to outlet plenum 62 outlet 32.
In the present embodiment, the opposite two sides of cylinder 1, shell side inlet 11 is arranged in shell side inlet 11 and shell-side outlet 12
The lower part of the side of cylinder 1 is set, and the top of the other side of cylinder 1 is arranged in shell-side outlet 12；Tube-side inlet 31 and shell side
The side of partition 6 is arranged in entrance 11, and the other side of partition 6 is arranged in shell-side outlet 12, designs, makes whereby for tube side outlet 32
Heat exchange can preferably be carried out with heat exchanger tube 4 by obtaining liquid heavy metal, guarantee heat transfer effect, but should not be as limit, specifically in fact
Above-mentioned entrance can also be arranged in other positions in applying.
Preferably, shell side inlet 11 is arranged in the lower part of cylinder 1 and forms spacing between tube sheet 5, and the bottom of cylinder 1 is set
There is discharge port 13, the bottom wall of discharge port 13 and the upper surface of tube sheet 5 are substantially concordant；By setting discharge port 13, so that shell side enters
The liquid heavy metals that mouth 11 can not be completely exhausted out can be discharged by discharge port 13, it is ensured that liquid heavy metal pipe shell type heat exchange again
Liquid heavy metal in device 100 can be emptied all.More preferably, the opposite of cylinder 1 is arranged in shell side inlet 11 in discharge port 13
Two sides, but should not be as limit.
In the present embodiment, the arrival end of several heat exchanger tubes 4 is plugged on first through hole 51, the outlet end of several heat exchanger tubes 4
It is plugged on the second through-hole 52；Specifically, the arrival end of several heat exchanger tubes 4 and outlet end are concordant with the lower end of tube sheet 5；But it should not be with
This is limited；For example, in some embodiments, it is also possible to being arranged to the arrival end of several heat exchanger tubes 4 and outlet end to be fitted in pipe
The upper surface of plate 5 and circular corresponding through-hole, cooling medium enters first through hole 51 by entrance cavity 61 at this time, then by first through hole
51 enter heat exchanger tube 4, enter the second through-hole 52 after flowing through heat exchanger tube 4, then enter outlet plenum 62 by the second through-hole 52；In some realities
It applies in example, the arrival end of several heat exchanger tubes 4 and outlet end can also be disposed through to first through hole 51, the second through-hole 52 extends
To the form for entering entrance cavity 61, outlet plenum 62.
Preferably, one end of partition 6 is connected to the middle position of tube sheet 5, and the other end is connected to the interposition of lower head 3
It sets, first through hole 51 and the second through-hole 52 are symmetrically set in the two sides of partition 6, but should not be as limit.
Specifically, the liquid heavy metal shell-and-tube heat exchanger 100 of the utility model is vertical heat exchanger, several heat exchanger tubes 4
For U-tube, each heat exchanger tube 4 includes two straight pipes 41 and be connected to the bend loss 42 in the upper end of two straight pipes 41, two straight pipes
41 lower end is respectively arrival end 411 and outlet end 412.Heat exchanger tube 4 is arranged to U-shaped, the axial direction that can reduce heat exchanger tube 4 is long
Degree, to reduce the entire length and volume of heat exchanger 100；Moreover, the bend loss 42 of heat exchanger tube 4 can reduce due to heat exchanger tube 4
Thermal stress caused by the temperature difference between liquid heavy metal in interior cooling medium and cylinder 1 exchanges the influence of heat pipe 4, reduces
The deformation of heat exchanger tube 4 extends the service life of heat exchanger tube 4, guarantees the safe operation of heat exchanger tube 4.
More specifically, several heat exchanger tubes 4 are divided into multiple rows of, and every row's heat exchanger tube 4 includes that successively interval is arranged from inside to outside
Multiple heat exchanger tubes 4；It designs whereby, so that energy between the liquid heavy metal in the cooling medium in several heat exchanger tubes 4 and cylinder 1
It is enough sufficiently to realize heat exchange, improve heat transfer effect.
Specifically, liquid heavy metal shell-and-tube heat exchanger 100 further includes support plate 7, support plate 7 is fixed on the interior of cylinder 1
Wall, support plate 7 are equipped with several through holes 71, and several heat exchanger tubes 4 are arranged in corresponding several through holes 71 respectively；It designs whereby,
Heat exchanger tube 4 is stably installed in cylinder 1, prevents heat exchanger tube 4 from moving under the impact of liquid heavy metal and cooling medium
Position or deformation.In the present embodiment, support plate 7 is set to the approximately mid way between of cylinder 1, the straight pipe 41 of heat exchanger tube 4 is worn
In through hole 71, but should not be as limit.
Specifically, upper cover 2 is additionally provided with blasting piece device 8, blasting piece device 8 reaches first in the pressure in upper cover 2
It is opened when threshold value；It designs whereby, cooling Jie when the accident conditions such as the rupture of heat exchanger tube 4 occur for heat exchanger 100, in heat exchanger tube 4
Matter, which is overflowed, reaches first threshold for the pressure that will lead in upper cover 2, and blasting piece device 8 automatically opens under the effect of the pressure,
To discharge the pressure in cylinder 1 and upper cover 2, prevent from causing the damage of cylinder 1 and upper cover 2 since pressure is excessive,
Guarantee the integrality and safety in operation of heat exchanger 100.
More specifically, blasting piece device 8 includes connecting tube 81 and rupture disk 82, and connecting tube 81 includes the of inverted u-shaped shape
Second pipe portion 812 of one pipe portion 811 and U-shaped shape, the arrival end of the first pipe portion 811 are connected to upper cover 2, the first pipe portion
811 outlet end is connected to the arrival end of the second pipe portion 812, and 812 outlet end of the second pipe portion is arranged in rupture disk 82.Pass through
Connecting tube 81 is arranged to double-U-shaped shape, can prevent liquid heavy metal with vapor spray and staff is damaged or
Ambient enviroment is polluted.
Preferably, connecting tube 81 is equipped with the filter screen 813 for preventing liquid heavy metal from passing through；It designs whereby, Neng Goujin
One step prevents liquid heavy metal from going out with water-vapour spray.In the present embodiment, the second pipe portion 812 is arranged in filter screen 813
Outlet end, but should not be as limit.
Specifically, upper cover 2 be equipped with safety valve 9, the opening when pressure in upper cover 2 reaches second threshold of safety valve 9,
Second threshold is less than first threshold.
More specifically, the flow area of blasting piece device 8 is greater than the flow area of safety valve 9.By the way that flow area is arranged
Different safety valves 9 and blasting piece device 8, the pressure in upper cover 2 are greater than or equal to second threshold and are less than first threshold
When, releasing for pressure is realized by the lesser safety valve 9 of flow area, the pressure in upper cover 2 is greater than or equal to the first threshold
When value, the biggish blasting piece device 8 of flow area is automatically opened, and is cooperated with safety valve 9, thus 1 He of quick release cylinder
Pressure in upper cover 2 guarantees 100 integrality of heat exchanger and safety in operation to realize quick pressure releasing.
Specifically, upper cover 2 is in arc surfaced, blasting piece device 8 is set to the top of upper cover 2, and safety valve 9 is set to upper cover
Region between 2 top and bottom.It is of course also possible to upper cover 2 is arranged to other shapes, as long as can be a liquid huge sum of money
Belong to reserved compressible space.In the present embodiment, lower head 3 is also in arc surfaced, but should not be as limit.
Specifically, upper cover 2 is additionally provided with connection mouth 10, connection mouth 10 is connected with cross over pipe 101, cross over pipe 101 be used for
External voltage-stablizer (not shown) connection；It designs whereby, heat exchanger 100 can be controlled by the inert gas pressure adjusted in voltage-stablizer
The liquid level of interior liquid heavy metal (for example, the rupture of heat exchanger tube 4 causes cooling medium to overflow, leads to cylinder 1 for emergency conditions
Interior liquid heavy metal expansion and liquid level raising etc.) compressible space is provided, the pressure wave for preventing accident from generating destroys 1 He of cylinder
Upper cover 2, meanwhile, inert gas space can be provided for liquid heavy metal, metal bath surface is prevented to be oxidized.In the present embodiment
In, the region between the top and bottom of upper cover 2 is arranged in connection mouth 10, and connection mouth 10 is separately positioned on quick-fried with safety valve 9
The two sides of fragmentation device 8, but should not be as limit.
In the present embodiment, liquid heavy metal is liquid lead-containing alloy, and it is quick-fried that steam occurs when heat exchanger tube 4 ruptures in order to prevent
The accidents such as fried, while ensuring heat transfer effect, the boiling point of cooling medium used by the present embodiment is higher than the molten of liquid lead-containing alloy
Point；Due to high pressure water have many advantages, such as flow velocity it is unrestricted, will not coking, without combustion explosion risk, the present embodiment is using high
Press water as cooling medium.Preferably, the space between upper cover 2 and the free surface of liquid lead-containing alloy is filled with indifferent gas
Body, to prevent liquid heavy metal liquid level to be oxidized pollution, it is preferred that inert gas is argon gas；In addition, in order to increase heat exchanger
100 anticorrosive, abrasion resistance improves the safety margin of heat exchanger 100, the cylinder directly contacted with lead base liquid heavy metal
1, the components such as heat exchanger tube 4 are all made of abrasion resistant materials, such as 316L etc..
It is worth noting that, shell side inlet 11 and shell need to be passed through before using liquid heavy metal shell-and-tube heat exchanger 100
Journey outlet 12 drains the air in cylinder 1, specifically, taking the air in cylinder 1 away using pumped vacuum systems, so that cylinder
It is vacuum state in body 1, or the modes such as air by being filled in inert gas discharge cylinder 1 are realized, to prevent in cylinder 1
Wall and liquid heavy metal are oxidized pollution；After liquid heavy metal shell-and-tube heat exchanger 100 is out of service, remain in cylinder 1
Liquid heavy metal be discharged under the effect of gravity after, be filled with system using inert gas and inert gas be filled with cylinder 1,
So that the inside of cylinder 1 keeps inert gas environment for a long time, the oxidation stain of 1 inner wall of cylinder is prevented.
Compared with prior art, the heat exchanger tube 4 of the utility model is set in cylinder 1, and liquid heavy metal walks shell side, cooling to be situated between
Matter walks tube side, after liquid heavy metal enters the cooling medium progress heat exchange in cylinder 1, with heat exchanger tube 4 via shell side inlet 11
It is flowed out via shell-side outlet 12, cooling medium enters entrance cavity 61 via tube-side inlet 31, then via the arrival end of heat exchanger tube 4
Outlet plenum 62 is entered by outlet end after into the liquid heavy metal heat exchange in heat exchanger tube 4, with cylinder 1, is finally gone out via tube side
Mouth 32 flows out；The utility model separates tube side side and shell side side by tube sheet 5 and heat exchanger tube 4, and tube sheet 5 can be simultaneously heat exchange
Pipe 4 provides support, and heat exchanger tube 4 is connect with the first through hole 51 on tube sheet 5, the second through-hole 52, and overall structure consolidates firm；Separately
Outside, the utility model between tube sheet 5 and lower head 3 by being arranged partition 6, and partition 6 is by the sky between tube sheet 5 and lower head 3
Between separate connection heat exchanger tube 4 outlet end and tube side export 32 outlet plenum 62 and be connected to the arrival end of heat exchanger tube 4 and tube side enters
The entrance cavity 61 of mouth 31, overall structure are simple, compact；Further, since cooling medium high pressure water walks tube side, it is bordering on the liquid of normal pressure
Heavy metal walks shell side, in the wall thickness for considering to reduce cylinder 1 under the premise of the corrosion and abrasion of liquid heavy metal, improves heat exchange
The economy of device 100.
Above disclosed is only the preferred embodiments of the utility model, cannot limit the utility model certainly with this
Interest field, therefore equivalent variations made according to the patent scope of the utility model still falls within the utility model and covered
Range.
Claims (12)
1. a kind of liquid heavy metal shell-and-tube heat exchanger, which is characterized in that including cylinder, be sealedly connected on the cylinder respectively
The upper cover and lower head of upper and lower ends set on the intracorporal several heat exchanger tubes of the cylinder and are sealedly connected on the cylinder and institute
The tube sheet between lower head is stated, the side wall of the cylinder is equipped with shell side inlet and shell-side outlet for passing in and out liquid heavy metal；
Partition is sealedly connected between the tube sheet and the lower head, the two sides of the partition are respectively formed entrance cavity and outlet plenum,
The tube sheet is equipped with several first through hole being connected to the entrance cavity and several second through-holes being connected to the outlet plenum, if
The arrival end for doing the heat exchanger tube is sealedly connected at corresponding several first through hole and is connected to the entrance cavity, several
The outlet end of the heat exchanger tube is sealedly connected on corresponding several second through holes and is connected to the outlet plenum, under described
End socket is equipped with the tube-side inlet being connected to the entrance cavity and the tube side being connected to outlet plenum outlet.
2. liquid heavy metal shell-and-tube heat exchanger as described in claim 1, which is characterized in that several heat exchanger tubes are U-shaped
Pipe, each heat exchanger tube include two straight pipes and be connected to the bend loss in the upper end of two straight pipes, two straight pipes
Lower end be respectively the arrival end and outlet end.
3. liquid heavy metal shell-and-tube heat exchanger as claimed in claim 2, which is characterized in that several heat exchanger tubes are divided
To be multiple rows of, heat exchanger tube described in every row includes successively being spaced the multiple heat exchanger tubes being arranged from inside to outside.
4. liquid heavy metal shell-and-tube heat exchanger as described in any one of claims 1-3, which is characterized in that further include support
Plate, the support plate are fixed on the inner wall of the cylinder, and the support plate is equipped with several through holes, several heat exchanger tube difference
It is arranged in corresponding several through holes.
5. liquid heavy metal shell-and-tube heat exchanger as described in claim 1, which is characterized in that the upper cover is equipped with rupture disk
Device, the blasting piece device opening when pressure in the upper cover reaches first threshold.
6. liquid heavy metal shell-and-tube heat exchanger as claimed in claim 5, which is characterized in that the blasting piece device includes connecting
Adapter tube and rupture disk, the connecting tube include the first pipe portion of inverted u-shaped shape and the second pipe portion of U-shaped shape, and described first
The arrival end of pipe portion is connected to the upper cover, and the outlet end of first pipe portion is connected to the arrival end of second pipe portion,
The outlet end of second pipe portion is arranged in the rupture disk.
7. liquid heavy metal shell-and-tube heat exchanger as claimed in claim 6, which is characterized in that the connecting tube is equipped with for hindering
The only filter screen that liquid heavy metal passes through.
8. liquid heavy metal shell-and-tube heat exchanger as claimed in claim 5, which is characterized in that the upper cover is equipped with safety
Valve, the safety valve opening when pressure in the upper cover reaches second threshold, the second threshold are less than described first
Threshold value.
9. liquid heavy metal shell-and-tube heat exchanger as claimed in claim 8, which is characterized in that the blasting piece device it is through-flow
Area is greater than the flow area of the safety valve.
10. liquid heavy metal shell-and-tube heat exchanger as claimed in claim 8, which is characterized in that the upper cover is in arc surfaced,
The blasting piece device is set to the top of the upper cover, and the safety valve is set between the top and bottom of the upper cover
Region.
11. liquid heavy metal shell-and-tube heat exchanger as described in claim 1, which is characterized in that the upper cover is equipped with connection
Mouthful, the connection mouth is connected with cross over pipe, and the cross over pipe with external voltage-stablizer for connecting.
12. liquid heavy metal shell-and-tube heat exchanger as described in claim 1, which is characterized in that the shell side inlet setting exists
The lower part of the cylinder and spacing is formed between the tube sheet, the bottom of the cylinder is equipped with discharge port, the discharge port
Bottom wall and the upper surface of the tube sheet are substantially concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335240.7U CN208901929U (en) | 2018-08-17 | 2018-08-17 | Liquid heavy metal shell-and-tube heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821335240.7U CN208901929U (en) | 2018-08-17 | 2018-08-17 | Liquid heavy metal shell-and-tube heat exchanger |
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| CN208901929U true CN208901929U (en) | 2019-05-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955305A (en) * | 2018-08-17 | 2018-12-07 | 中广核研究院有限公司 | liquid heavy metal shell-and-tube heat exchanger |
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2018
- 2018-08-17 CN CN201821335240.7U patent/CN208901929U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955305A (en) * | 2018-08-17 | 2018-12-07 | 中广核研究院有限公司 | liquid heavy metal shell-and-tube heat exchanger |
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