CN204788954U - Be used for high temperature high pressure exhaust refrigerated water spray pipeline - Google Patents
Be used for high temperature high pressure exhaust refrigerated water spray pipeline Download PDFInfo
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- CN204788954U CN204788954U CN201520489292.XU CN201520489292U CN204788954U CN 204788954 U CN204788954 U CN 204788954U CN 201520489292 U CN201520489292 U CN 201520489292U CN 204788954 U CN204788954 U CN 204788954U
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Abstract
The utility model relates to a pipe -line layout field, concretely relates to be used for high temperature high pressure exhaust refrigerated water spray pipeline to solve present water spray pipeline and be unfavorable for rill gauge height temperature adjustment, lead to the fact the extravagant problem of cooling water easily. The water spray pipeline includes: the pipeline body, two at least straight holes water spray ring is established the pipeline body outside on the anchor ring with the axle sleeve in proper order, and first through -hole has been offered to two at least independent first cyclic annular cavitys of outer loop shape of face one -tenth of at least two straight holes water spray ring and pipeline body on the pipeline body for with the inner chamber intercommunication of first cyclic annular cavity with the pipeline body, at least two straight holes water spray ring inlet tube leads to with a straight hole water spray linkage respectively. The utility model discloses a be used for high temperature high pressure exhaust refrigerated water spray pipeline adopts multistage adjustable water spray pipeline structure, and multistage water spray ring is independent respectively, can adjust the gradient cooling according to the carminative concrete flow of high temperature, temperature, simple structure, compactness, and simple to operate uses reliably.
Description
Technical field
The utility model relates to pipe design field, is specifically related to a kind of water pipeline for High Temperature High Pressure exhaust cooling.
Background technology
When carrying out Aeroengine Combustor Test, testing laboratory's outlet gas stagnation temperature is often higher than 1500K, in order to meet gas exhaust duct and sound damping tower temperature requirement, need to cool processing procedure to combustion gas, needing mounting design to spray water with high pressure pipeline, with this, delivery temperature being reduced to less than 250 degrees Celsius by spraying water with high pressure.Existing water pipeline mostly is one-level water spray or two-stage water spray, and be all-in-one-piece, namely multistage water ring is only provided with a water inlet pipe, when gas flow and temperature variation are comparatively large and need to control delivery temperature, monoblock type water pipeline is unfavorable for the adjustment of low discharge high-temperature, the waste of chilled water being caused, the more important thing is that monoblock type water pipeline can not meet when wanting to utilize high-temperature exhaust air to heat to incoming air through heat interchanger heat exchange.
Summary of the invention
The purpose of this utility model is to provide a kind of water pipeline for High Temperature High Pressure exhaust cooling, to solve the adjustment that current water pipeline is unfavorable for low discharge high-temperature, easily causes the problem of cooling water waste.
The technical solution of the utility model is:
For a water pipeline for High Temperature High Pressure exhaust cooling, comprise;
Pipeline body, first end is connected to engine exhaust conduit;
At least two straight hole water rings, coaxial sleeve is located on described pipeline body outer ring surface successively, the outer ring surface of at least two described straight hole water rings and described pipeline body forms at least two independently the first ring cavities, described pipeline body offers the first through hole, for the inner space by described first ring cavity and described pipeline body;
At least two straight hole water ring water inlet pipes, straight hole water ring described with is communicated with respectively.
Alternatively, described straight hole water ring comprises:
Tubular straight hole water ring outer wall, internal diameter is greater than described pipeline body external diameter, and coaxial sleeve is located at described pipeline body outer ring surface;
Straight spray water supply ring-side wall in the form of a ring, comprises two, is separately positioned on the axial two ends of described straight hole water ring outer wall, jointly forms described first ring cavity with described straight hole water ring outer wall and described pipeline body outer ring surface;
The first sparge pipe in the form of a ring, described first ring cavity is communicated to by many second sparge pipes, described first sparge pipe is coaxially arranged on described straight hole water ring outer exterior wall, described straight hole water ring water inlet pipe is communicated with described first sparge pipe, the axis of described second sparge pipe is parallel with the sagittal plane of described pipeline body, and passes the axis of described pipeline body.
Alternatively, the described water pipeline for High Temperature High Pressure exhaust cooling also comprises:
Tubular first outer wall, internal diameter is greater than described pipeline body external diameter, and coaxial sleeve is located on described pipeline body outer ring surface, forms the second ring cavity with the outer ring surface of described pipeline body, further, described first outer wall is between the first end and described straight hole water ring of described pipeline body;
Overcoat water inlet pipe, is arranged on described first outer wall, is communicated with described second ring cavity;
Overcoat rising pipe, is arranged on described first outer wall, is communicated with described second ring cavity.
Alternatively, described overcoat water inlet pipe and described overcoat rising pipe lay respectively at the axial two ends of described first outer wall.
Alternatively, the described water pipeline for High Temperature High Pressure exhaust cooling also comprises:
At least two swirl nozzles add straight-through nozzle spray ring, coaxial sleeve is located on described first outer wall outer ring surface successively, at least two described swirl nozzles add straight-through nozzle spray ring and described first outer wall outer ring surface forms at least two independently the 3rd ring cavities, described first outer wall offers the second through hole, for being communicated with described second ring cavity by described 3rd ring cavity;
At least two water ring water inlet pipes, add straight-through nozzle spray ring with a described swirl nozzle respectively and are communicated with.
Alternatively, described swirl nozzle adds straight-through nozzle spray ring and comprises:
Tubular nozzle supplies water ring outer wall, internal diameter is greater than described first outer wall external diameter, and coaxial sleeve is located at described first outer wall outer ring surface;
Nozzle supplies water ring-side wall in the form of a ring, comprises two, is separately positioned on the axial two ends of described nozzle supplies water ring outer wall, jointly forms described 3rd ring cavity with described nozzle supplies water ring outer wall and described first outer wall outer ring surface.
Alternatively, described second through hole comprises multiple, is along the circumferential direction evenly arranged, and is provided with a swirl nozzle or a straight-through nozzle in each described second through hole, and spaced apart between described swirl nozzle and described straight-through nozzle.
Alternatively, two adjacent described swirl nozzles add between straight-through nozzle spray ring, not identical along the nozzle arranged in two described second through holes be parallel on described pipeline body axis direction.
Alternatively, the described water pipeline for High Temperature High Pressure exhaust cooling also comprises:
Forward flange, co-axial seal is connected to the first end of described pipeline body, and described forward flange inside is provided with third through-hole, and the axis of described third through-hole is parallel with the sagittal plane of described pipeline body, and passes the axis of described pipeline body;
One-level water spray water inlet pipe, is communicated with one end away from described pipeline body of described third through-hole;
Forward flange inner ring, co-axial seal is arranged on described forward flange inwall, and forms the 4th ring cavity with described forward flange inwall, described third through-hole and described 4th ring-type cavity connects, described forward flange inner ring is also provided with fourth hole, for being communicated with described pipeline body internal cavities.
Alternatively, on described pipeline body, comprise at least three groups with described first through hole of the first ring-type cavity connects described in each, be evenly arranged successively along described pipeline body axis direction, and multiple described first through hole often in group is all positioned on the sagittal plane of same described pipeline body.
The beneficial effects of the utility model:
Water pipeline for High Temperature High Pressure exhaust cooling of the present utility model, adopt multistage adjustable water pipeline structure, multistage water ring is independently, adjustment classification cooling can be carried out according to the concrete flow of high-temperature exhaust air, temperature, structure is simple, compact, easy for installation, uses reliable.
Accompanying drawing explanation
Accompanying drawing to be herein merged in instructions and to form the part of this instructions, shows and meets embodiment of the present utility model, and is used from instructions one and explains principle of the present utility model.
Fig. 1 is the structural representation of the utility model for the multistage adjustable water pipeline of High Temperature High Pressure exhaust cooling;
Fig. 2 is the utility model water pipeline right view;
Fig. 3 is the utility model straight hole water ring structural representation;
Fig. 4 is the structural representation of the utility model swirl nozzle;
Fig. 5 is A-A cut-open view in Fig. 4;
Fig. 6 is that the utility model forward flange straight hole water spray inner ring launches schematic diagram;
Fig. 7 is that the utility model water pipeline inwall launches schematic diagram.
Embodiment
Here will be described exemplary embodiment in detail, its sample table shows in the accompanying drawings.When description below relates to accompanying drawing, unless otherwise indicated, the same numbers in different accompanying drawing represents same or analogous key element.
As shown in Figures 1 to 7, the water pipeline for High Temperature High Pressure exhaust cooling that the utility model provides, comprises pipeline body 1 and straight hole water ring 2.
The axis two ends of pipeline body 1 are respectively first end and the second end, and first end is connected to engine exhaust conduit;
The quantity of straight hole water ring 2 can carry out the selection be applicable to as required, comprise at least two, and () coaxial sleeve is located on described pipeline body 1 outer ring surface in Fig. 1 from left to right successively, at least two straight hole water rings 2 form at least two independently the first ring cavities 3 with the outer ring surface of pipeline body 1; In addition, pipeline body 1 offers the first through hole 11, for the inner space by the first ring cavity 3 and pipeline body 1.In the present embodiment, preferably straight hole water ring 2 and the first ring cavity 3 are two.
Equally, the quantity of straight hole water ring water inlet pipe 21 and the quantity of straight hole water ring 2 match, and be preferably two, be communicated with respectively with a straight hole water ring 2 in the present embodiment, and straight hole water ring water inlet pipe 21 is also connected with straight spray water ring water inlet pipe flange.
Water pipeline for High Temperature High Pressure exhaust cooling of the present utility model, adopt multistage adjustable water pipeline structure, multistage water ring independently, adjustment classification cooling can be carried out according to the concrete flow of high-temperature exhaust air, temperature, and every grade of water ring has independently pipeline and Valve controlling, structure is simple, compact, non-interference, easy for installation, use reliable.
On pipeline body 1, the first through hole 11 be communicated with each first ring cavity 3 comprises at least three groups, is evenly arranged successively along pipeline body 1 axis direction, and multiple first through holes 11 often in group are all positioned on the sagittal plane of same pipeline body 1.In the present embodiment, the quantitative range of the first through hole 11 is 20 ~ 40.
Further, straight hole water ring 2 can comprise straight hole water ring outer wall 22, straight spray water supply ring-side wall 23 and the first sparge pipe 24.
Straight hole water ring outer wall 22 is in tubular, and internal diameter is greater than pipeline body 1 external diameter, and coaxial sleeve is located at pipeline body 1 outer ring surface.
Straight spray water supply ring-side wall 23 in the form of a ring, comprises two, is separately positioned on the axial two ends of straight hole water ring outer wall 22, jointly forms described first ring cavity 3 with straight hole water ring outer wall 22 and pipeline body 1 outer ring surface.
First sparge pipe 24 in the form of a ring, the first ring cavity 3 is communicated to by many second sparge pipes 25, first sparge pipe 24 is coaxially arranged on outside straight hole water ring outer wall 22, be communicated with the first sparge pipe 24, the axis of the second sparge pipe 25 is parallel with the sagittal plane of pipeline body 1, and passes the axis of pipeline body 1.
The water pipeline of High Temperature High Pressure exhaust cooling of the present utility model also comprises the first outer wall 4.First outer wall 4 is in tubular, and internal diameter is greater than pipeline body 1 external diameter, and coaxial sleeve is located on pipeline body 1 outer ring surface, forms the second ring cavity 5 with the outer ring surface of pipeline body 1.Further, the first outer wall 4 is between the first end and straight hole water ring 2 of pipeline body 1.
First outer wall 4 is also provided with independently overcoat water inlet pipe 41 and overcoat rising pipe 42, is communicated with the second ring cavity 5 respectively.Further, overcoat water inlet pipe 41 and overcoat rising pipe 42 lay respectively at the axial two ends of the first outer wall 4, and lay respectively at the both sides up and down shown in Fig. 1, to make the duration of contact increasing liquid coolant and the first outer wall 4 as far as possible.Overcoat rising pipe 42 is also connected with pipe adapter 45.
Water pipeline for High Temperature High Pressure exhaust cooling of the present utility model also comprises swirl nozzle and adds straight-through nozzle spray ring 6.The quantity that swirl nozzle adds straight-through nozzle spray ring 6 can carry out the selection be applicable to as required; In the present embodiment, be preferably two, two swirl nozzles add straight-through nozzle spray ring 6 successively coaxial sleeve be located on the first outer wall 4 outer ring surface, at least two swirl nozzles add straight-through nozzle spray ring 6 and the first outer wall 4 outer ring surface forms at least two independently the 3rd ring cavities 7; In addition, the first outer wall 4 offers the second through hole, for being communicated with the second ring cavity 5 by the 3rd ring cavity 7.Also comprise at least two water ring water inlet pipes 61, add straight-through nozzle spray ring 6 with a swirl nozzle respectively and be communicated with.
Further, swirl nozzle adds straight-through nozzle spray ring 6 and comprises nozzle supplies water ring outer wall 62 and nozzle supplies water ring-side wall 63.Nozzle supplies water ring outer wall 62 is in tubular, and internal diameter is greater than the first outer wall 4 external diameter, and coaxial sleeve is located at the first outer wall 4 outer ring surface.Nozzle supplies water ring-side wall 63 in the form of a ring, comprises two, is separately positioned on the axial two ends of nozzle supplies water ring outer wall 62, jointly forms the 3rd ring cavity 7 with nozzle supplies water ring outer wall 62 and the first outer wall 4 outer ring surface.
Further, the second through hole comprises multiple, is along the circumferential direction evenly arranged, and is provided with a swirl nozzle 43 or a straight-through nozzle 44 in each second through hole, and spaced apart between described swirl nozzle 43 and straight-through nozzle 44.Two adjacent swirl nozzles add between straight-through nozzle spray ring 6, not identical along the nozzle arranged in two the second through holes be parallel on pipeline body 1 axis direction.In the present embodiment, preferred swirl nozzle 43 and straight-through nozzle 44 are respectively 12.As shown in Figure 4 and Figure 5, swirl nozzle 43 comprises and sprays blanking cover 46 and swirl nozzle inlet opening 47.
To be combined with swirl nozzle 44 mode by straight-through nozzle 43, straight-through nozzle 43 is beneficial to increases water to the penetration depth of combustion gas, is beneficial to the cooling of water to combustion gas; Swirl nozzle 44 is beneficial to and reduces near wall fuel gas temperature, protective conduit inner wall area, and two kinds of nozzles combine, and have complementary advantages, and improve exhaust cooling effect.
Water pipeline for High Temperature High Pressure exhaust cooling of the present utility model also comprises forward flange 8, one-level water spray water inlet pipe 82 and forward flange inner ring 83.
Forward flange 8 co-axial seal is connected to the first end of pipeline body 1, and forward flange 8 inside is provided with third through-hole 81, and the axis of third through-hole 81 is parallel with the sagittal plane of pipeline body 1, and passes the axis of pipeline body 1.
One-level water spray water inlet pipe 82 is communicated with one end away from pipeline body 1 of third through-hole 81.In every covering device, forward flange 1 is left and right, upper is welded with one-level water spray water inlet pipe 82 respectively, central shaft angle between three one-level water spray water inlet pipes 82 is 90 degree, sometimes can weld layout four one-level water spray water inlet pipes 82 as required up and down, the central shaft angle of each one-level water spray water inlet pipe 82 is still 90 degree.
Forward flange inner ring 83 co-axial seal is arranged on forward flange 8 inwall, and form the 4th ring cavity with forward flange 8 inwall, third through-hole 81 and the 4th ring-type cavity connects, forward flange inner ring 83 is also provided with fourth hole 84, for being communicated with pipeline body 1 internal cavities.
Further, be provided with toroidal membrane 48 and diaphragm plate 49 in the second ring cavity 5, chilled water is at overcoat inside spin flowing cooling (flow direction see Fig. 7 in the direction of arrow).
When water pipeline for High Temperature High Pressure exhaust cooling of the present utility model is installed and used, forward flange 8 and rear flange 9 are connected to the high temperature and high pressure gas pipeline of engine; One-level water spray water inlet pipe 82, two water ring water inlet pipes 61, overcoat water inlet pipe 41, two straight hole water ring water inlet pipes 21 are connected respectively to high-pressure cooling water supply system, and overcoat and every grade of water ring water inlet have independently pipeline and Valve controlling, non-interference.
In actual use, when high-temperature exhaust air amount is less, or want to utilize high-temperature exhaust air when heat interchanger heat exchange is heated to incoming air, the valve only need opening one-level water spray water inlet pipe 82 carries out water-spraying control; When gas quantity, fuel gas temperature improve further, correspondingly can open one of them water ring water inlet pipe 61 valve, when not meeting, can continue to open another water ring water inlet pipe 61 valve to improve cooling effect; When gas quantity and fuel gas temperature are large especially, the valve opening two straight hole water ring water inlet pipes 21 can be continued again, Pyatyi water ring standard-sized sheet, High Temperature High Pressure exhaust cooling can be met well.
The above; be only embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the change that can expect easily or replacement, all should be encompassed within protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of described claim.
Claims (10)
1., for a water pipeline for High Temperature High Pressure exhaust cooling, it is characterized in that, comprise;
Pipeline body (1), first end is connected to engine exhaust conduit;
At least two straight hole water rings (2), coaxial sleeve is located on described pipeline body (1) outer ring surface successively, at least two described straight hole water rings (2) form at least two independently the first ring cavities (3) with the outer ring surface of described pipeline body (1), described pipeline body (1) offers the first through hole (11), for the inner space by described first ring cavity (3) and described pipeline body (1);
At least two straight hole water ring water inlet pipes (21), straight hole water ring (2) described with is communicated with respectively.
2. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 1, it is characterized in that, described straight hole water ring (2) comprising:
Tubular straight hole water ring outer wall (22), internal diameter is greater than described pipeline body (1) external diameter, and coaxial sleeve is located at described pipeline body (1) outer ring surface;
Straight spray water supply ring-side wall (23) in the form of a ring, comprise two, be separately positioned on the axial two ends of described straight hole water ring outer wall (22), jointly form described first ring cavity (3) with described straight hole water ring outer wall (22) and described pipeline body (1) outer ring surface;
The first sparge pipe (24) in the form of a ring, described first ring cavity (3) is communicated to by many second sparge pipes (25), described first sparge pipe (24) is coaxially arranged on described straight hole water ring outer wall (22) outside, described straight hole water ring water inlet pipe (21) is communicated with described first sparge pipe (24), the axis of described second sparge pipe (25) is parallel with the sagittal plane of described pipeline body (1), and passes the axis of described pipeline body (1).
3. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 1 and 2, is characterized in that, also comprise:
Tubular first outer wall (4), internal diameter is greater than described pipeline body (1) external diameter, coaxial sleeve is located on described pipeline body (1) outer ring surface, the second ring cavity (5) is formed with the outer ring surface of described pipeline body (1), further, described first outer wall (4) is positioned between the first end of described pipeline body (1) and described straight hole water ring (2);
Overcoat water inlet pipe (41), is arranged on described first outer wall (4), is communicated with described second ring cavity (5);
Overcoat rising pipe (42), is arranged on described first outer wall (4), is communicated with described second ring cavity (5).
4. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 3, it is characterized in that, described overcoat water inlet pipe (41) and described overcoat rising pipe (42) lay respectively at the axial two ends of described first outer wall (4).
5. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 3, is characterized in that, also comprise:
At least two swirl nozzles add straight-through nozzle spray ring (6), coaxial sleeve is located on described first outer wall (4) outer ring surface successively, at least two described swirl nozzles add straight-through nozzle spray ring (6) and form at least two independently the 3rd ring cavities (7) with described first outer wall (4) outer ring surface, described first outer wall (4) offers the second through hole, for being communicated with described second ring cavity (5) by described 3rd ring cavity (7);
At least two water ring water inlet pipes (61), add straight-through nozzle spray ring (6) respectively and are communicated with a described swirl nozzle.
6. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 5, it is characterized in that, described swirl nozzle adds straight-through nozzle spray ring (6) and comprising:
Tubular nozzle supplies water ring outer wall (62), internal diameter is greater than described first outer wall (4) external diameter, and coaxial sleeve is located at described first outer wall (4) outer ring surface;
Nozzle supplies water ring-side wall (63) in the form of a ring, comprise two, be separately positioned on the axial two ends of described nozzle supplies water ring outer wall (62), jointly form described 3rd ring cavity (7) with described nozzle supplies water ring outer wall (62) and described first outer wall (4) outer ring surface.
7. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 6, it is characterized in that, described second through hole comprises multiple, along the circumferential direction be evenly arranged, a swirl nozzle (43) or a straight-through nozzle (44) is provided with in each described second through hole, and spaced apart between described swirl nozzle (43) and described straight-through nozzle (44).
8. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 6, it is characterized in that, two adjacent described swirl nozzles add between straight-through nozzle spray ring (6), not identical along the nozzle arranged in two described second through holes be parallel on described pipeline body (1) axis direction.
9. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 6, is characterized in that, also comprise:
Forward flange (8), co-axial seal is connected to the first end of described pipeline body (1), described forward flange (8) inside is provided with third through-hole (81), the axis of described third through-hole (81) is parallel with the sagittal plane of described pipeline body (1), and passes the axis of described pipeline body (1);
One-level water spray water inlet pipe (82), is communicated with one end away from described pipeline body (1) of described third through-hole (81);
Forward flange inner ring (83), co-axial seal is arranged on described forward flange (8) inwall, and form the 4th ring cavity with described forward flange (8) inwall, described third through-hole (81) and described 4th ring-type cavity connects, described forward flange inner ring (83) is also provided with fourth hole (84), for being communicated with described pipeline body (1) internal cavities.
10. the water pipeline for High Temperature High Pressure exhaust cooling according to claim 6, it is characterized in that, on described pipeline body (1), described first through hole (11) be communicated with the first ring cavity (3) described in each comprises at least three groups, be evenly arranged successively along described pipeline body (1) axis direction, and multiple described first through hole (11) often in group is all positioned on the sagittal plane of same described pipeline body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489292.XU CN204788954U (en) | 2015-07-08 | 2015-07-08 | Be used for high temperature high pressure exhaust refrigerated water spray pipeline |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520489292.XU CN204788954U (en) | 2015-07-08 | 2015-07-08 | Be used for high temperature high pressure exhaust refrigerated water spray pipeline |
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| CN204788954U true CN204788954U (en) | 2015-11-18 |
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| CN201520489292.XU Active CN204788954U (en) | 2015-07-08 | 2015-07-08 | Be used for high temperature high pressure exhaust refrigerated water spray pipeline |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106092590A (en) * | 2016-08-29 | 2016-11-09 | 北京航天三发高科技有限公司 | A kind of block testing stand discharge duct chiller |
| CN107588434A (en) * | 2017-09-25 | 2018-01-16 | 上海泛智能源装备有限公司 | A kind of spray cooling structure and combustor test device |
| CN109211426A (en) * | 2018-10-12 | 2019-01-15 | 中国航发沈阳发动机研究所 | A kind of air cooling total temperature detector probe gauge head |
| CN109752188A (en) * | 2019-01-16 | 2019-05-14 | 中国航发沈阳发动机研究所 | A kind of outlet cooling section for main-chamber ignition performance test |
| CN110455542A (en) * | 2019-08-13 | 2019-11-15 | 中国航发贵阳发动机设计研究所 | A kind of operating condition type variable equipment water jetting cooler for high-temperature fuel gas |
| CN113242365A (en) * | 2021-04-12 | 2021-08-10 | 杭州电子科技大学 | Underwater camera suitable for muddy water environment and shooting method thereof |
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2015
- 2015-07-08 CN CN201520489292.XU patent/CN204788954U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106092590A (en) * | 2016-08-29 | 2016-11-09 | 北京航天三发高科技有限公司 | A kind of block testing stand discharge duct chiller |
| CN107588434A (en) * | 2017-09-25 | 2018-01-16 | 上海泛智能源装备有限公司 | A kind of spray cooling structure and combustor test device |
| CN109211426A (en) * | 2018-10-12 | 2019-01-15 | 中国航发沈阳发动机研究所 | A kind of air cooling total temperature detector probe gauge head |
| CN109211426B (en) * | 2018-10-12 | 2020-04-21 | 中国航发沈阳发动机研究所 | Air-cooled total temperature sensing part measuring head |
| CN109752188A (en) * | 2019-01-16 | 2019-05-14 | 中国航发沈阳发动机研究所 | A kind of outlet cooling section for main-chamber ignition performance test |
| CN110455542A (en) * | 2019-08-13 | 2019-11-15 | 中国航发贵阳发动机设计研究所 | A kind of operating condition type variable equipment water jetting cooler for high-temperature fuel gas |
| CN113242365A (en) * | 2021-04-12 | 2021-08-10 | 杭州电子科技大学 | Underwater camera suitable for muddy water environment and shooting method thereof |
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