CN207848967U - A kind of marine multilayer is around pipe gasifier - Google Patents
A kind of marine multilayer is around pipe gasifier Download PDFInfo
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- CN207848967U CN207848967U CN201820243471.9U CN201820243471U CN207848967U CN 207848967 U CN207848967 U CN 207848967U CN 201820243471 U CN201820243471 U CN 201820243471U CN 207848967 U CN207848967 U CN 207848967U
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Abstract
The utility model discloses a kind of marine multilayers around pipe gasifier, including tube bank component and shell, the tube bank component include multi-lay winding heat exchanger tube, central tube and U-shaped bend pipe；Every layer of winding heat exchanger tube is by more heat exchanger tubes and around formation；The both ends of heat exchanger tube are connect with U-shaped bend pipe respectively；Backing plate is set between adjacent two layers winding heat exchanger tube；Outermost layer, which is wound, is arranged backing plate on the outside of heat exchanger tube, and winds multilayer PTFE gaskets.The utility model is by way of winding multilayer around heat exchange of heat pipe, the heat exchange area of heat exchanger greatly improved, improve heat exchange efficiency, it is insufficient to solve LNG gasification peculiar to vessel, and the problem of easy ting produce vapour lock, LNG gasification amount is also improved simultaneously, greatly improves the power effect of marine main engine.The utility model can be such that the heat transfer effect of entire heat exchanger greatly promotes, and accelerate speed of the LNG gasification at NG, improve the power performance of ship, and reduce the consumption of fuel, play very crucial effect.
Description
Technical field
The utility model is related to a kind of LNG gasification device, especially a kind of marine multilayer is around pipe gasifier.
Background technology
Natural gas is mainly used for power generation, chemical engineering industry, town dweller's combustion gas and industrial combustion gas, motor vehicle fuel etc., other use
Cold energy use including LNG on the way, natural gas strategy lay in needing for safe way.
LNG gasification device is used exclusively for the heat exchanger of liquefied natural gas gasifying, is mainly used in coastal Large LNG and receives
Stand, LNG liquefaction plants, LNG gasification station, LNG liquid addition station and LNG cargo ships etc., be the key equipment for realizing gasification function.
Existing LNG gasification device peculiar to vessel generally uses two layers of coil pipe gasifier, with the increase of marine system gas consumption,
Existing gasifier exchange capability of heat is limited by capacity of vessel, it is difficult to be increased volume, be caused liquefied natural gas gasifying insufficient, up to not
The problem of production capacity being supplied to marine system.
Utility model content
To solve the above problem of the existing technology, the utility model, which will design one kind, can improve heat exchange efficiency nothing again
The marine multilayer of volume need to be increased around pipe gasifier.
To achieve the goals above, the technical solution of the utility model is as follows：A kind of marine multilayer around pipe gasifier, including
It includes multi-lay winding heat exchanger tube, central tube and U-shaped bend pipe to restrain component and shell, the tube bank component；Every layer of winding heat exchange
Pipe is by more heat exchanger tubes and around formation；The both ends of heat exchanger tube are connect with U-shaped bend pipe respectively；It is set between adjacent two layers winding heat exchanger tube
Backing plate is set, the backing plate is rectangle lath, shares 4, and circumferentially uniformly distributed along winding heat exchanger tube, the backing plate passes through welding
Mode is fixed on winding heat exchanger tube；
The central tube is located in the cylindrical cavity that innermost layer winding heat exchanger tube is formed；Outermost layer is wound outside heat exchanger tube
Backing plate is arranged in side, and winds multilayer PTFE gaskets；
Baffle is respectively set in the multi-lay winding heat exchanger tube both ends, and the baffle outer ring is circle, is fixed with shell
Connection；
Closure plate is arranged in one end of the central tube.
Further, the number of plies of the winding heat exchanger tube is 6-8 layers.
Further, the outer layer heat exchanger tube diameter of adjacent two layers winding heat exchanger tube is more than internal layer heat exchanger tube diameter.
Further, the winding heat exchanger tube is by 2-4 roots heat exchanger tube and around formation.
Further, the heat exchanger tube length of same layer winding heat exchanger tube is identical, the starting point difference in the sagittal plane of end
90 degree, 180 degree or 270 degree.
Further, start position and center pipe axle of the heat exchanger tube of same layer winding heat exchanger tube in the sagittal plane of end
Heart line, that is, radial line and horizontal angle are 45 degree, 135 degree, 225 degree or 315 degree.
Further, the housing design pressure is 0.6-1.0MPa, and winding heat exchange tube design pressure is 35MPa.
Further, the shell includes cylinder and the end socket at both ends, and the cylinder is stainless pipe；Described
Inlet interface and discharge coupling are respectively set on cylinder, exhaust outlet, bottom setting leakage fluid dram (9) are set at the top of cylinder；Two end seals
Head is standard pipe cap.
Further, the cylinder and the end socket at both ends are connected by welding manner.
Further, the axially disposed multigroup heat exchanging holes of the central tube, 4 heat exchanging holes of every group of setting and circumferentially
Cloth.
The advantageous effect that the utility model is reached is：
1, since the utility model is by way of winding multilayer around heat exchange of heat pipe, the heat-transfer surface of heat exchanger greatly improved
Product, improves heat exchange efficiency, insufficient to solve LNG gasification peculiar to vessel, and the problem of easy to produce vapour lock, while also improving
LNG gasification amount, greatly improves the power effect of marine main engine.
2, the utility model can be such that the heat transfer effect of entire heat exchanger greatly promotes, and accelerate speed of the LNG gasification at NG
Degree improves the power performance of ship, and reduces the consumption of fuel, plays very crucial effect.
3, vaporization ability is improved by way of winding multilayer around heat exchange of heat pipe due to the utility model, without increasing gasification
The volume of device.
4, since the cylinder of the utility model and end socket all use standard component, shell both ends to only have twice to close up weld seam, this
The shell structure of sample both meets intensity requirement, in turn simplifies structure of container.
Description of the drawings
Fig. 1 is the tube bank modular construction schematic diagram of the utility model.
Fig. 2 be in Fig. 1 heat exchanger tube around pipe arrangement detail.
Fig. 3 is baffle outline drawing in Fig. 1.
Fig. 4 is tube bank component both ends heat exchanger tube around pipe starting point layout drawing.
Fig. 5 is the tube bank U-shaped bend pipe of component and heat exchanger tube fragmentary detail view.
In figure：1, shell, 2, heat exchanger tube, 3, central tube, 4, backing plate, 5, PTFE gaskets, 6, baffle, 7, closure plate, 8, U-shaped curved
Pipe.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figs. 1-5, a kind of marine multilayer is around pipe gasifier, including tube bank component and shell 1, the tube bank component
Including multi-lay winding heat exchanger tube, central tube 3 and U-shaped bend pipe 8；Every layer of winding heat exchanger tube is by more heat exchanger tubes 2 and around formation；Heat exchange
The both ends of pipe 2 are connect with U-shaped bend pipe 8 respectively；Backing plate 4 is arranged between winding heat exchanger tube in adjacent two layers, and the backing plate 4 is rectangular
Shape lath shares 4, and circumferentially uniformly distributed along winding heat exchanger tube, the backing plate 4 is fixed on winding heat exchanger tube by welding manner
On；
The central tube 3 is located in the cylindrical cavity that innermost layer winding heat exchanger tube is formed；Outermost layer winds heat exchanger tube
Backing plate 4 is arranged in outside, and winds multilayer PTFE gaskets 5；
Baffle 6 is respectively set in the multi-lay winding heat exchanger tube both ends, and 6 outer ring of baffle is circle, solid with shell 1
Fixed connection；
Closure plate 7 is arranged in one end of the central tube 3.
Further, the number of plies of the winding heat exchanger tube is 6-8 layers.
Further, 2 diameter of outer layer heat exchanger tube of adjacent two layers winding heat exchanger tube is more than 2 diameter of internal layer heat exchanger tube.
Further, the winding heat exchanger tube is by 2-4 roots heat exchanger tube 2 and around formation.
Further, 2 length of heat exchanger tube of same layer winding heat exchanger tube is identical, the starting point difference in the sagittal plane of end
90 degree, 180 degree or 270 degree.
Further, start position and central tube 3 of the heat exchanger tube 2 of same layer winding heat exchanger tube in the sagittal plane of end
Axial connecting line, that is, radial line and horizontal angle are 45 degree, 135 degree, 225 degree or 315 degree.
Further, 1 design pressure of shell is 0.6-1.0MPa, and winding heat exchange tube design pressure is 35MPa.
Further, the shell 1 includes the end socket of cylinder and both ends, and the cylinder is stainless pipe；It is described
Cylinder on be respectively set inlet interface and discharge coupling, leakage fluid dram is arranged in setting exhaust outlet, bottom at the top of cylinder；Both ends end socket
For standard pipe cap.
Further, the cylinder and the end socket at both ends are connected by welding manner.
Further, the axially disposed multigroup heat exchanging holes of the central tube 3,4 heat exchanging holes of every group of setting and circumferentially
Cloth.
The operation principle of the utility model is as follows：
The utility model collectively constitutes an integral pressure container by tube bank component and shell 1, can be used for design pressure
In the condition of high voltage of 35MPa.When gasification, restrains the winding heat exchanger tube in component and walk medium LNG, tube bank component bears design pressure
35MPa, walks medium water glycol inside shell 1, and shell 1 bears design pressure 0.6~1.0MPa, and LNG enters through inlet interface
It winds in heat exchanger tube, under high-pressure extrusion, is flowed along 2 direction of heat exchanger tube, carried out with the medium water glycol outside heat exchanger tube 2 cold
Heat exchange, LNG are vaporized so much, and are become NG and are flowed out from discharge coupling.
The processing method of the utility model is as follows：
Winding heat exchanger tube need with it is special around pipe machine along tube bank part centre pipe 3 be wound, exchange heat pipe 2 into
The winding of row multilayer, and every layer of heat exchanger tube 2 needs more heat exchanger tubes 2 to carry out and around wherein in order to keep heat transfer effect more preferable, needing
Want the length of every heat exchanger tube 2 as possible just as.Heat exchanger tube 2 of the tube bank both ends after pipe, which need to summarize, to be inserted into U-shaped bend pipe 8, then through U
Interface disengaging on type bend pipe 8, completes heat exchange and exchanges.
The design method of the utility model, includes the following steps：
1. calculate the total length and radical of heat exchanger tube 2 according to design condition, so calculate it is required around tube layer number and
Every layer of 2 radical of heat exchanger tube.
2. to make equipment heat exchange area uniformly to reach better heat transfer effect, every 2 length of heat exchanger tube substantially phase is needed
Deng, it is general it is peculiar to vessel be divided into 6~8 layers according to design condition around heat exchange of heat pipe heat exchanger tube 2 and carry out around pipe, every layer of heat exchanger tube 2 needs
Several tubes are simultaneously and around and heat exchanger tube 2 does not allow to splice, and heat exchanger tube 2 use specification for the heat exchange of the 316L stainless steels of φ 10X2
Pipe 2.
3. in order to keep the heat transfer effect around heat exchange of heat pipe more preferable, do not allow larger gap occur between winding heat exchanger tube,
It is easy to occur the water glycol in shell 1 in this way and flows away from gap that short circuit problem occurs, this needs to wind heat exchange at every layer
Increase the stainless steel lath of four pieces of 3 thickness of δ between pipe.
4. also needing along the circumferential direction to open up 46 heat exchanging holes of φ around the central tube 3 of heat exchange of heat pipe, increase every 200~300mm
Add one group of heat exchanging holes, allows several layers of heat exchanger tubes 2 close to 3 side of central tube that can also preferably exchange heat in this way.
5. when along central tube 3 around pipe, needing to carry out around pipe, around the starting point of pipe in 34, outside circumferencial direction of central tube as possible
Direction is in 45 °, 135 °, 215 °, 315 ° of circumference uniform distributions.Stringing can be made more uniform around pipe in this way.
6. welding need to be grouped by designated position on U-shaped bend pipe 8 in the heat exchanger tube 2 after the completion of pipe, heat exchanger tube 2 is in U
It needs symmetrical above and below and apart from that closely fillet weld should not be caused to be overlapped very much on type bend pipe 8, causes weld stress to be concentrated, be inserted into U-shaped curved
Heat exchanger tube 2 and the weld seam of pipe in pipe 8 need complete penetraction and fusion in welding.
7. heat exchanger tube 2 is after the pipe, need in each one circular baffle plate 6 of assembling in 2 both ends of heat exchanger tube, baffle 6 in shell 1
Wall mutually welds, and to prevent tube bank, movement causes equipment safety hidden danger within the case 1.
The manufacturing method of the utility model is as follows：
As shown in Figs. 1-5, central tube 3 is that the heat exchanger tube 2 of φ 10X2 is surrounded central tube by heat exchanger tube 2 by special around pipe machine
3 carry out the axis around pipe, and specific winding method is as follows：
A, first layer carried out around effective two heat exchanger tubes 2 and around, around pipe starting point be Fig. 4 in 45 °, 135 °, first layer changes
Heat pipe 2, need to be in heat exchanger tube 2 outside spot welding, 4 pieces of backing plates 4 after complete；
B, the second layer carried out around effective two heat exchanger tubes 2 and around, around pipe starting point be Fig. 4 in 45 °, 135 °, the second layer heat exchange
Pipe 2, need to be in heat exchanger tube 2 outside spot welding, 4 pieces of backing plates 4 after complete；
C, third layer carried out around effective two heat exchanger tubes 2 and around, around pipe starting point be Fig. 4 in 135 °, 225 °, third layer heat exchange
Pipe 2, need to be in heat exchanger tube 2 outside spot welding, 4 pieces of backing plates 4 after complete；
D, the 4th layer around effective two heat exchanger tubes 2 carry out and around, around pipe starting point be Fig. 4 in 45 °, 135 °, the 4th layer heat exchange
Pipe 2, need to be in heat exchanger tube 2 outside spot welding, 4 pieces of backing plates 4 after complete；
E, layer 5 carried out around effective three heat exchanger tubes 2 and around, around pipe starting point be Fig. 4 in 45 °, 135 °, 315 °, layer 5
Heat exchanger tube 2, need to be in heat exchanger tube 2 outside spot welding, 4 pieces of backing plates 4 after complete；
F, layer 6 carried out around effective three heat exchanger tubes 2 and around, around pipe starting point be Fig. 4 in 45 °, 225 °, 315 °, layer 6
Heat exchanger tube 2, need to be in heat exchanger tube 2 outside spot welding, 4 pieces of backing plates 4 after complete；
G, layer 7 carried out around effective four heat exchanger tubes 2 and around, around pipe starting point be Fig. 4 in 45 °, 135 °, 225 °, 315 °,
Layer 7 heat exchanger tube 2, need to be in heat exchanger tube 2 outside spot welding, 4 pieces of backing plates 4 after complete；
H, the 8th layer around effective four heat exchanger tubes 2 carry out and around, around pipe starting point be Fig. 4 in 45 °, 135 °, 225 °, 315 °,
8th layer of heat exchanger tube 2, need to be in heat exchanger tube 2 outside spot welding, 4 pieces of backing plates 4 after complete；
F, after eight layers of heat exchanger tube 2 are gone for a stroll, several layers of PTFE gaskets 5 need to be wound again in outermost heat exchanger tube 2, to prevent from restraining
Component and 1 inner wall gap of shell are excessive to cause heat transferring medium short-circuit.After the pipe, the heat exchanger tube 2 for restraining both ends passes through heat exchanger tube 2
The bending of baffle 6 to U-shaped bend pipe 8 in Fig. 5 determines installation site.
The utility model is not limited to the present embodiment, any equivalent concepts in the technical scope that the utility model discloses
Or change, it is classified as the scope of protection of the utility model.
Claims (10)
1. a kind of marine multilayer is around pipe gasifier, it is characterised in that：Including tube bank component and shell (1), the tube bank component
Including multi-lay winding heat exchanger tube, central tube (3) and U-shaped bend pipe (8)；Every layer of winding heat exchanger tube is by more heat exchanger tubes (2) and around shape
At；The both ends of heat exchanger tube (2) are connect with U-shaped bend pipe (8) respectively；Adjacent two layers wind setting backing plate (4) between heat exchanger tube, described
Backing plate (4) be rectangle lath, share 4, circumferentially uniformly distributed along winding heat exchanger tube, the backing plate (4) passes through welding manner
It is fixed on winding heat exchanger tube；
The central tube (3) is located in the cylindrical cavity that innermost layer winding heat exchanger tube is formed；Outermost layer is wound outside heat exchanger tube
Backing plate (4) is arranged in side, and winds multilayer PTFE gaskets (5)；
Baffle (6) is respectively set in the multi-lay winding heat exchanger tube both ends, and the baffle (6) outer ring is circle, with shell (1)
It is fixedly connected；
One end setting closure plate (7) of the central tube (3).
2. a kind of marine multilayer according to claim 1 is around pipe gasifier, it is characterised in that：The winding heat exchanger tube
The number of plies is 6-8 layers.
3. a kind of marine multilayer according to claim 1 is around pipe gasifier, it is characterised in that：Adjacent two layers wind heat exchanger tube
Outer layer heat exchanger tube (2) diameter be more than internal layer heat exchanger tube (2) diameter.
4. a kind of marine multilayer according to claim 1 is around pipe gasifier, it is characterised in that：The winding heat exchanger tube by
2-4 roots heat exchanger tube (2) and around formation.
5. a kind of marine multilayer according to claim 1 is around pipe gasifier, it is characterised in that：Same layer winds heat exchanger tube
Heat exchanger tube (2) length is identical, and starting point in the sagittal plane of end differs 90 degree, 180 degree or 270 degree.
6. a kind of marine multilayer according to claim 1 is around pipe gasifier, it is characterised in that：Same layer winds heat exchanger tube
Start position of the heat exchanger tube (2) in the sagittal plane of end and central tube (3) axial connecting line, that is, radial line and horizontal angle
It is 45 degree, 135 degree, 225 degree or 315 degree.
7. a kind of marine multilayer according to claim 1 is around pipe gasifier, it is characterised in that：Shell (1) design
Pressure is 0.6-1.0MPa, and winding heat exchange tube design pressure is 35MPa.
8. a kind of marine multilayer according to claim 1 is around pipe gasifier, it is characterised in that：The shell (1) includes
The end socket of cylinder and both ends, the cylinder are stainless pipe；Inlet interface is respectively set on the cylinder and outlet connects
Mouthful, leakage fluid dram is arranged in setting exhaust outlet, bottom at the top of cylinder；Both ends end socket is standard pipe cap.
9. a kind of marine multilayer according to claim 8 is around pipe gasifier, it is characterised in that：The cylinder and both ends
End socket is connected by welding manner.
10. a kind of marine multilayer according to claim 1 is around pipe gasifier, it is characterised in that：The central tube (3) is along axis
To being arranged multigroup heat exchanging holes, 4 heat exchanging holes of every group of setting and it is evenly distributed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820243471.9U CN207848967U (en) | 2018-02-11 | 2018-02-11 | A kind of marine multilayer is around pipe gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820243471.9U CN207848967U (en) | 2018-02-11 | 2018-02-11 | A kind of marine multilayer is around pipe gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848967U true CN207848967U (en) | 2018-09-11 |
Family
ID=63408834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820243471.9U Active CN207848967U (en) | 2018-02-11 | 2018-02-11 | A kind of marine multilayer is around pipe gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848967U (en) |
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2018
- 2018-02-11 CN CN201820243471.9U patent/CN207848967U/en active Active
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