CN203928837U - A kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower - Google Patents
A kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower Download PDFInfo
- Publication number
- CN203928837U CN203928837U CN201420037503.1U CN201420037503U CN203928837U CN 203928837 U CN203928837 U CN 203928837U CN 201420037503 U CN201420037503 U CN 201420037503U CN 203928837 U CN203928837 U CN 203928837U
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- Prior art keywords
- pipe
- cooling
- cooling jellyfish
- jellyfish pipe
- semi arch
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- 238000001816 cooling Methods 0.000 title claims abstract description 65
- 241000242583 Scyphozoa Species 0.000 title claims abstract description 56
- 230000005540 biological transmission Effects 0.000 title claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 230000007704 transition Effects 0.000 claims description 12
- 238000003466 welding Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000000498 cooling water Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000002033 PVDF binder Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 2
- 241000272165 Charadriidae Species 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower, described cooling jellyfish pipe is formed by connecting by straight-run of pipe and at least one semi arch bend pipe, described straight tube is positioned at the upper end of cooling jellyfish pipe, described semi arch bend pipe is positioned at the lower end of cooling jellyfish pipe, and the lower port of described cooling jellyfish pipe is connected with water-cooling system feed pipe.The utility model can overcome existing pipeline installation and maintenance inconvenience and cannot significantly increase the problem of creep age distance.
Description
Technical field
The utility model relates to high pressure flexible direct current technology of transmission of electricity field, relates in particular to a kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower.
Background technology
Technology of HVDC based Voltage Source Converter is due to the advantage of himself,, the many-side such as distributed power generation grid-connected, isolated island power supply grid-connected in regenerative resource has great development potentiality, have a extensive future, but igbt wherein (IGBT) element is in operation and produces a large amount of heats, if heat can not be discharged in time, will affect light-duty straight-flow system operation stability and reliability.Mostly adopt at present water cooling mode to address this problem, therefore, the reasonable setting of cooling water pipeline is to guarantee one of key factor of converter valve stable operation.Meanwhile, because equipment voltage is higher, pipe laying must consider to guarantee enough creep age distances.
In the cooling water distribution pipeline design of conventional high voltage direct current converter valve, cooling jellyfish pipe all adopts built on stilts layout, valve tower supplies water from top to bottom, because pipeline need to suspend in midair or support, so this arrangement needs workman's aerial work, installation difficulty larger when pipeline is installed; And when discharge is larger, very high to pipe-support requirement, operation maintenance is very inconvenient; Conventional static reactive (SVC) thyristor valve group electric pressure is lower, and corresponding cooling jellyfish pipe mostly is straight tube 7 or bend pipe 8 simple in structure, as shown in Figure 1, therefore can not significantly increase creep age distance.
Utility model content
For solving the technical problem of existing existence, the utility model embodiment provides a kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower.
The utility model provides a kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower, described cooling jellyfish pipe is formed by connecting by straight-run of pipe and at least one semi arch bend pipe, described straight tube is positioned at the upper end of cooling jellyfish pipe, described semi arch bend pipe is positioned at the lower end of cooling jellyfish pipe, and the lower port of described cooling jellyfish pipe is connected with water-cooling system feed pipe.
Wherein, described straight tube is comprised of water main and some arms, and each arm is vertically connected at the homonymy of described water main, between each arm, is parallel to each other.
Wherein, the quantity of described arm is identical with the number of plies of described converter valve tower.
Wherein, described straight tube is connected with described semi arch bend pipe by transition bend pipe.
Wherein, the diameter of described semi arch bend pipe and quantity are relevant to the set-up mode of converter valve electric pressure and converter valve.
Wherein, when described cooling jellyfish pipe comprises two above semi arch bend pipes, between described semi arch bend pipe, carry out the connection of S type.
Wherein, between described semi arch bend pipe, by transition straight tube, be connected.
Wherein, described semi arch bend pipe is that welding or flange are connected with the connected mode of described transition straight tube.
Wherein, the lower port of described cooling jellyfish pipe is connected with water-cooling system feed pipe by flange, and described flange is: mounting flange or loose flange.
Wherein, described cooling jellyfish pipe is comprised of nonmetallic materials PPH or PVDF.
A kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower that the utility model embodiment provides, described cooling jellyfish pipe is formed by connecting by straight-run of pipe and at least one semi arch bend pipe, described straight tube is positioned at the upper end of cooling jellyfish pipe, described semi arch bend pipe is positioned at the lower end of cooling jellyfish pipe, and the lower port of described cooling jellyfish pipe is connected with water-cooling system feed pipe.Adopt the technical solution of the utility model, compare with the cooling jellyfish pipe of SVC valve group with conventional HVDC, can complete on ground and install and be easy to carry out the work such as flow measurement, pipeline leak detection, pipeline is convenient for installation and maintenance, the bend pipe structure being smoothly connected does not affect the traffic demand of heat dissipation element, has significantly increased the creep age distance of valve tower.
Accompanying drawing explanation
In accompanying drawing (it is not necessarily drawn in proportion), similar Reference numeral can be described similar parts in different views.The similar Reference numeral with different letter suffix can represent the different examples of similar parts.With example, unrestriced mode shows each embodiment discussed herein to accompanying drawing substantially.
Fig. 1 is the structural representation of the cooling jellyfish pipe in the cooling water distribution pipeline of conventional high voltage direct current converter valve;
Fig. 2 is the structural representation of cooling jellyfish pipe described in the utility model embodiment.
Description of reference numerals:
1 flange; 2 semi arch bend pipes; 3 transition straight tubes; 4 transition bend pipes; 5 arms; 6 water mains; 7 straight tubes; 8 bend pipes.
The specific embodiment
In embodiment of the present utility model: the epimere of cooling jellyfish pipe adopts straight tube form, and the water main of jellyfish pipe is straight tube form, and is connected with some arms on water main; The hypomere of cooling jellyfish pipe is comprised of at least one semi arch bend pipe, and the lower port of cooling jellyfish pipe is connected with water-cooling system feed pipe, to overcome existing pipeline installation and maintenance inconvenience and cannot significantly increase the problem of creep age distance.
Below in conjunction with drawings and the specific embodiments, the utility model is described in further detail.
Fig. 2 is the structural representation of cooling jellyfish pipe described in the utility model embodiment, as shown in Figure 2, described cooling jellyfish pipe is formed by connecting by straight-run of pipe and at least one semi arch bend pipe 2, described straight tube is positioned at the upper end of cooling jellyfish pipe, described semi arch bend pipe 2 is positioned at the lower end of cooling jellyfish pipe, the lower port of described cooling jellyfish pipe is connected with water-cooling system feed pipe (not shown in Fig. 2), i.e. water supply of the present utility model is from down to up.
Preferably, in an embodiment of the present utility model, described straight tube is comprised of water main 6 and some arms 5, and each arm 5 is vertically connected at the homonymy of water main 6, and 5 of each arms are parallel to each other.Here, the setting of described arm 5 is the interlayer module water supply for converter valve, guarantees that the inlet pressure of each branch line is substantially equal, to reach, does not affect each layer of inhomogeneity object of valve tower assignment of traffic.
Wherein, the quantity of described arm 5 is identical with the number of plies of converter valve tower.
Preferably, in an embodiment of the present utility model, described straight tube is smoothly connected by transition bend pipe 4 and described semi arch bend pipe 2.
Wherein, the diameter of described semi arch bend pipe 2 and quantity can arrange according to demand, for example: according to the set-up mode of converter valve electric pressure and converter valve (single-row valve setting and biserial valve arrange), arrange, reach the requirement of length of pipe distance, to meet the creep age distance of valve tower.
Preferably, in an embodiment of the present utility model, between described several semi arch bend pipes 2, carry out the connection of S type.
Preferably, in an embodiment of the present utility model, between described several semi arch bend pipes 2, by transition straight tube 3, be connected, connected mode can be welding or flange connects.When being convenient to welding, the setting of described transition straight tube 3 carries out clamping.
Here, the clamping requirement of fixture during due to welding, the length of described transition straight tube 3 is 200mm-400mm.
Preferably, in an embodiment of the present utility model, the lower port of described cooling jellyfish pipe is connected with water-cooling system feed pipe by flange 1.Wherein, described flange 1 can be: mounting flange or loose flange.
Preferably, in an embodiment of the present utility model, described cooling jellyfish pipe is comprised of nonmetallic materials such as PPH, PVDF.
In sum, adopt the technical solution of the utility model, compare with the cooling jellyfish pipe of SVC valve group with conventional HVDC, can complete on ground and install and be easy to carry out the work such as flow measurement, pipeline leak detection, pipeline is convenient for installation and maintenance, the bend pipe structure being smoothly connected does not affect the traffic demand of heat dissipation element, has significantly increased the creep age distance of valve tower.
Above embodiment is only in order to illustrate that the technical solution of the utility model is not intended to limit, although the utility model is had been described in detail with reference to above-described embodiment, those of ordinary skill in the field are to be understood that: still can modify or be equal to replacement the specific embodiment of the present utility model, and do not depart from any modification of the utility model spirit and scope or be equal to replacement, it all should be encompassed in the middle of this claim scope.
Claims (10)
1. a cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower, it is characterized in that, described cooling jellyfish pipe is formed by connecting by straight-run of pipe and at least one semi arch bend pipe, described straight tube is positioned at the upper end of cooling jellyfish pipe, described semi arch bend pipe is positioned at the lower end of cooling jellyfish pipe, and the lower port of described cooling jellyfish pipe is connected with water-cooling system feed pipe.
2. cooling jellyfish pipe according to claim 1, is characterized in that, described straight tube is comprised of water main and some arms, and each arm is vertically connected at the homonymy of described water main, between each arm, is parallel to each other.
3. cooling jellyfish pipe according to claim 2, is characterized in that, the quantity of described arm is identical with the number of plies of described converter valve tower.
4. cooling jellyfish pipe according to claim 1, is characterized in that, described straight tube is connected with described semi arch bend pipe by transition bend pipe.
5. according to the cooling jellyfish pipe described in any one in claim 1-4, it is characterized in that, the diameter of described semi arch bend pipe and quantity are relevant to the set-up mode of converter valve electric pressure and converter valve.
6. according to the cooling jellyfish pipe described in any one in claim 1-4, it is characterized in that, when described cooling jellyfish pipe comprises two above semi arch bend pipes, between described semi arch bend pipe, carry out the connection of S type.
7. cooling jellyfish pipe according to claim 6, is characterized in that, between described semi arch bend pipe, by transition straight tube, is connected.
8. cooling jellyfish pipe according to claim 7, is characterized in that, described semi arch bend pipe is that welding or flange are connected with the connected mode of described transition straight tube.
9. according to the cooling jellyfish pipe described in any one in claim 1-4, it is characterized in that, the lower port of described cooling jellyfish pipe is connected with water-cooling system feed pipe by flange, and described flange is: mounting flange or loose flange.
10. according to the cooling jellyfish pipe described in any one in claim 1-4, it is characterized in that, described cooling jellyfish pipe is comprised of nonmetallic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037503.1U CN203928837U (en) | 2014-01-21 | 2014-01-21 | A kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037503.1U CN203928837U (en) | 2014-01-21 | 2014-01-21 | A kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203928837U true CN203928837U (en) | 2014-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037503.1U Expired - Lifetime CN203928837U (en) | 2014-01-21 | 2014-01-21 | A kind of cooling jellyfish pipe that is applied to flexible DC power transmission converter valve tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203928837U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994684A (en) * | 2014-01-21 | 2014-08-20 | 常州博瑞电力自动化设备有限公司 | Cooling jellyfish tube for flexible DC transmission converter valve tower |
-
2014
- 2014-01-21 CN CN201420037503.1U patent/CN203928837U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994684A (en) * | 2014-01-21 | 2014-08-20 | 常州博瑞电力自动化设备有限公司 | Cooling jellyfish tube for flexible DC transmission converter valve tower |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141105 |
|
| CX01 | Expiry of patent term |