CN207471588U - A kind of spray cooling structure and combustor test device - Google Patents
A kind of spray cooling structure and combustor test device Download PDFInfo
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- CN207471588U CN207471588U CN201721236202.1U CN201721236202U CN207471588U CN 207471588 U CN207471588 U CN 207471588U CN 201721236202 U CN201721236202 U CN 201721236202U CN 207471588 U CN207471588 U CN 207471588U
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Abstract
The utility model is related to miniature gas turbine fields, disclose a kind of spray cooling structure and combustor test device, which includes：For the multiple nozzle assemblies for conveying the pipeline of high-temperature fuel gas and being arranged on pipeline, wherein, each nozzle assembly includes nozzle, and nozzle is used to spray cooling water to the high-temperature fuel gas for flowing through pipeline；Pipeline be equipped with the one-to-one through-hole of each nozzle assembly, for each nozzle assembly, nozzle is plugged in through-hole corresponding with the nozzle assembly, and the head of nozzle is towards the inner cavity of pipeline, and the head of nozzle is located in the through-hole.In above-described embodiment; in each nozzle assembly; nozzle is plugged in corresponding through-hole; and the head of nozzle is towards the inner cavity of pipeline; nozzle sprays cooling water to the high-temperature fuel gas for flowing through pipeline makes the reduction of its temperature, and since the head of nozzle is located in through-hole so that nozzle is washed away from high-temperature fuel gas; it plays a protective role to nozzle, extends the service life of nozzle.
Description
Technical field
The utility model is related to miniature gas turbine fields more particularly to a kind of spray cooling structure and combustor test to fill
It puts.
Background technology
Miniature gas turbine is developed by turbocharger and is formed, be it is a kind of it is novel using the gas that continuously flows as working medium,
Thermal energy is converted to the internal combustion rotary dynamic power machine of mechanical energy.Nowadays miniature gas turbine is because its is safe and reliable, flexible and changeable
Power supply mode, the investment various features such as small, environmentally friendly and quickly grow.
Combustion chamber is one of three big component of gas turbine between compressor and turbine.It develops and debugged in combustion chamber
It generally requires largely to be tested in journey, although technology of numerical simulation is quickly grown at present, but still experiment can not be replaced to exist
It develops and the status in debugging process combustion chamber.
Combustor test device is generally measured by import group section, intake condition measuring section, combustor test part, outlet
Section, outlet transfer section composition, natural gas are mixed with air in combustion chamber, are fired by the energy production high temperature that igniter is sent out
Gas, the temperature of high-temperature fuel gas is usually all at 1000 DEG C or more, however the temperature that stainless steel pipes are born often is no more than 740 DEG C,
Therefore the mode of generally use sprinkling cooling water cools down to high-temperature fuel gas during development test, and in the prior art to height
The nozzle that warm combustion gas carries out spray cooling is general exposed in pipeline, is washed away for a long time by high-temperature fuel gas, greatly reduces spray
The service life of mouth.
Utility model content
The utility model provides a kind of spray cooling structure and combustor test device, to solve nozzle in the prior art
It is easily washed away by high-temperature fuel gas, the problem of service life is low.
The utility model embodiment provides a kind of spray cooling structure, which includes：For conveying height
The pipeline of warm combustion gas；And multiple nozzle assemblies on the pipeline are arranged on, wherein,
Each nozzle assembly includes nozzle, and the nozzle is used to spray cooling water to the high-temperature fuel gas for flowing through the pipeline；
The pipeline be equipped with each one-to-one through-hole of nozzle assembly, it is described for each nozzle assembly
Nozzle is plugged in through-hole corresponding with the nozzle assembly, and the head of the nozzle is towards the inner cavity of the pipeline, and the spray
The head of mouth is located in the through-hole.
In above-described embodiment, in each nozzle assembly, nozzle is plugged in corresponding through-hole, and the head direction of nozzle
The inner cavity of pipeline, nozzle sprays cooling water to the high-temperature fuel gas for flowing through pipeline makes the reduction of its temperature, and due to the head of nozzle
In through-hole so that nozzle is washed away from high-temperature fuel gas, is played a protective role to nozzle, and extend nozzle uses the longevity
Life.
In a specific embodiment, each nozzle assembly further includes sleeve, the sleeve and the pipeline
Outer wall is fixedly connected, and the inner cavity of the sleeve is connected with the through-hole, the nozzle be plugged in the sleeve and with it is described
Sleeve is fixedly connected.
In another specific embodiment, each nozzle assembly further includes sleeve, and the sleeve is plugged in described
In through-hole, the inner cavity of the sleeve is connected with the inner cavity of the pipeline, and the sleeve is close to one end of inner cavity of pipe position
In in the through-hole, the sleeve is fixedly connected with the pipeline；The nozzle be plugged in the sleeve and with the sleeve
It is fixedly connected.
In above-mentioned two embodiment, the sleeve includes cylinder and end cap, and the cylinder and the end cap are detachably fixed
Connection；
The end cap is equipped with threaded hole, and the nozzle is equipped with the screw thread closed with the corresponding threaded holes, the nozzle
It is threadedly coupled and is plugged in the cylinder with the end cap.Convenient for the replacement of nozzle, the adaptation of nozzle cooling structure is improved
Property and flexibility.
Preferably, the water-cooling channel of annular is equipped in the side wall of the pipeline.Cooling water circulates in water-cooling channel so that
Pipe side wall temperature reduces, and pipeline is avoided to be influenced by localized hyperthermia.
Preferably, the nozzle is connected with high pressure water main pipeline, and the nozzle is equipped with manually-operated gate.Pass through hand-operated valve
The utilization rate of the open and close control nozzle of door so that high-temperature fuel gas is meeting different discharge operating modes after spray cooling, improves
The adaptability of spray cooling structure and flexibility.
Preferably, the number of the nozzle assembly is 8, is equally divided into two groups, every group of nozzle assembly circumferentially uniformly divides
Cloth.
Preferably, two groups of nozzle assemblies are staggered.Every group of nozzle is circumferentially uniformly distributed, and two groups of nozzles are handed over
Mistake setting, is provided with is sufficiently mixed conducive to cooling water and high-temperature fuel gas in this way, effectively reduce the temperature of high-temperature fuel gas.
Preferably, the first connecting flange and the second connecting flange are further included, first connecting flange and described second connect
Acting flange is fixedly connected respectively with the pipeline.
The utility model embodiment additionally provides a kind of combustor test device, including water spray drop described in any one of the above embodiments
Warm structure.The high-temperature fuel gas that the spray cooling structure is used to generate combustion chamber cools down, to meet discharge condition, also,
In the spray cooling structure side wall of pipeline be equipped with the corresponding through-hole of each nozzle assembly, the head of nozzle is located at through-hole
It is interior so that nozzle is washed away from high-temperature fuel gas, extends the service life of nozzle.
Description of the drawings
Fig. 1 is the structure diagram of spray cooling structure that the utility model embodiment provides；
Fig. 2 is the sectional view of spray cooling structure that the utility model embodiment provides；
Fig. 3 is the installation diagram of the nozzle that the utility model embodiment provides and end cap；
Fig. 4 is the structure diagram of combustor test device that the utility model embodiment provides.
Reference numeral：
10- spray cooling structures
11- pipeline 12- nozzle assembly 121- nozzle 122- cylinder 123- end caps
13- the first connecting flange the second connecting flanges of 14-
Measuring section after 20- testpieces section 30- group sections 40-
Specific embodiment
It is new to this practicality below in conjunction with the accompanying drawings in order to make the purpose of this utility model, technical solution and advantage clearer
Type is described in further detail, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than complete
The embodiment in portion.Based on the embodiment in the utility model, those of ordinary skill in the art are not before creative work is made
All other embodiments obtained are put, shall fall within the protection scope of the present invention.
The utility model embodiment provides a kind of spray cooling structure, which includes：For conveying height
The pipeline of warm combustion gas and the multiple nozzle assemblies being arranged on pipeline, wherein,
Each nozzle assembly includes nozzle, and nozzle is used to spray cooling water to the high-temperature fuel gas for flowing through pipeline；
Pipeline be equipped with the one-to-one through-hole of each nozzle assembly, for each nozzle assembly, nozzle be plugged in
In the corresponding through-hole of the nozzle assembly, the head of nozzle is towards the inner cavity of pipeline, and the head of nozzle is located in the through-hole.
In above-described embodiment, in each nozzle assembly, nozzle is plugged in corresponding through-hole, and the head direction of nozzle
The inner cavity of pipeline, nozzle sprays cooling water to the high-temperature fuel gas for flowing through pipeline makes the reduction of its temperature, and due to the head of nozzle
In through-hole so that nozzle is washed away from high-temperature fuel gas, is played a protective role to nozzle, and extend nozzle uses the longevity
Life.
In order to more be apparent from the concrete structure of the spray cooling structure of the utility model embodiment offer, in conjunction with
Attached drawing is described in detail.
As shown in Figure 1, the spray cooling structure 10 includes pipeline 11, the first connecting flange 13 for conveying high-temperature fuel gas
And second connecting flange 14, the first connecting flange 13 and the second connecting flange 14 are fixedly connected respectively with pipeline 11, play connection
Effect, such as the first connecting flange 13 and the second connecting flange 14 are fixed by welding in the both ends of pipeline 11 so that the water spray drops
Warm structure 10 can be connected with combustion chamber and other process components；Since the fuel gas temperature at combustor exit is usually all 1000
DEG C or more, and the temperature that stainless steel pipes 11 are born often is no more than 740 DEG C, therefore is needed during development test to high temperature
Combustion gas cools down, and in the application, which further includes the multiple nozzle assemblies 12 being arranged on pipeline 11, often
A nozzle assembly 12 includes nozzle 121, and nozzle 121 is used to spray cooling water to the high-temperature fuel gas for flowing through pipeline 11, specifically, pipe
Road 11 be equipped with each 12 one-to-one through-hole of nozzle assembly, and for each nozzle assembly 12, nozzle 121 is plugged in
With in the 12 corresponding through-hole of nozzle assembly, the head of nozzle 121 is towards the inner cavity of pipeline 11, the high temperature combustion that combustion chamber generates
When gas is by pipeline 11, nozzle 121 sprays cooling water into pipeline 11, and high-temperature fuel gas is made to meet discharge after spray cooling will
Ask or meet the entrance test requirements document of the process components such as regenerator.For nozzle 121 is avoided to be washed away by high-temperature fuel gas stream, spray
The head of mouth 121 should be located in through-hole, that is, ensure that the head of nozzle 121 is not extended into other than through-hole, in case nozzle 121 is exposed to
It is washed away, and should be noted that under the premise of this by high-temperature fuel gas stream in the inner cavity of pipeline 11, it is also contemplated that spray
Mouth 121 is inserted into the depth of through-hole, to ensure that the cooling water that nozzle 121 sprays will not be hindered at the inner cavity for entering pipeline 11
Hinder.
In a specific embodiment, as shown in Fig. 2, each nozzle assembly 12 further includes sleeve, sleeve is plugged in logical
Kong Zhong, the inner cavity of sleeve are connected with the inner cavity of pipeline 11, and sleeve is located at close to one end of 11 inner cavity of pipeline in through-hole, that is, ensures
One end that sleeve is inserted into through-hole is not extended into other than through-hole, in case sleeve is exposed in the inner cavity of pipeline 11 and by high-temperature fuel gas
Stream washes away；Sleeve is fixedly connected with pipeline 11, such as sleeve with pipeline 11 by being welded and fixed；Nozzle 121 is plugged in sleeve
And be fixedly connected with sleeve, for the ease of the replacement of nozzle 121, specifically, sleeve includes cylinder 122 and end cap 123, and cylinder
122 and end cap 123 be detachably fixed connection, such as cylinder 122 and end cap 123 are detachably fixed connection by bolt, screw, hold
Lid 123 is equipped with threaded hole, and nozzle 121 is equipped with the screw thread closed with corresponding threaded holes, and nozzle 121 is threadedly coupled with end cap 123
And it is plugged in cylinder 122.Together with reference to figure 1, Fig. 3, wherein, end cap 123 is fixed on by six bolts on cylinder 122, spiral shell
Bolt is circumferentially uniformly distributed, and threaded hole is arranged on the middle position of end cap 123, and nozzle 121 is plugged in threaded hole, passes through screw thread
Connection is fixed with end cap 123.When needing replacing nozzle 121, if 121 model of new and old nozzle is identical, re-assemblied after replacing
If new and old 121 model of nozzle is different, also need to replace end cap 123 simultaneously, with ensure the threaded hole on end cap 123 with
Screw thread on nozzle 121 can match.The spray cooling structure 10 has a wide range of application, and disclosure satisfy that various types of nozzles
121 matching requirements.
Furthermore it is also possible to sleeve is fixedly connected with the outer wall of pipeline 11, such as by sleeve weld on the outer wall of pipeline 11,
And the inner cavity of sleeve is made to be connected with through-hole；Nozzle 121 is plugged in sleeve and extends to through-hole, and the head of nozzle 121 is located at
In through-hole, nozzle 121 is fixedly connected with sleeve.Specifically, sleeve includes cylinder 122 and end cap 123, cylinder 122 and end cap 123
Connection is detachably fixed, such as cylinder 122 and end cap 123 are detachably fixed connection by bolt, screw, end cap 123 is equipped with
Threaded hole, nozzle 121 are equipped with the screw thread closed with corresponding threaded holes, and nozzle 121 is threadedly coupled with end cap 123 and is plugged in cylinder
In 122, wherein, specific connection mode can refer to Fig. 2 shows structure, in this not go into detail.
In the spray cooling structure 10, nozzle 121 is connected with high pressure water main pipeline 11, and high pressure water main pipeline 11 is also with pressure
Power table and flowmeter are detected, and pressure is more than 1.5bar before controlling nozzle 121 so that when cooling water is projected through nozzle 121
Atomization cone angle can be formed, should also rationally set the cross-sectional sizes of through-hole, the section of cylinder 122 big according to the range of atomization cone angle
Small and nozzle 121 stretches into the depth of through-hole or the depth that stretches into cylinder 122 etc., ensure cooling water that nozzle 121 sprays into
It will not be hindered when entering the inner cavity of pipeline 11.To reach best cooling-down effect, should also rationally set the quantity of nozzle 121 with
And the layout of nozzle 121, in a specific embodiment, as shown in Figure 1, the spray cooling structure 10 includes 8 nozzle sets
12,8 nozzle assemblies 12 of part are equally divided into two groups, and two groups of nozzle assemblies 12 are arranged side by side；Specifically, four nozzle sets in every group
Part 12 is circumferentially uniformly distributed, i.e. in every group of nozzle assembly 12, the angle between adjacent two nozzle assemblies 12 is 45 °, and
And in order to avoid occurring atomization dead angle in the pipeline 11, two groups of nozzle assemblies 12 are staggered, and pass through two groups of nozzle assemblies 12
Cooperation, further improves cooling-down effect of the cooling water to high-temperature fuel gas.For each nozzle assembly 12, all set on nozzle 121
There is manually-operated gate, the utilization rate of nozzle 121 can be adjusted by controlling the opening and closing of manually-operated gate so that high-temperature fuel gas is through water spray
Different experiment demands is disclosure satisfy that after cooling, to improve the adaptability of spray cooling structure 10 and flexibility.
The utility model embodiment additionally provides a kind of combustor test device, including above-mentioned spray cooling structure 10,
In one specific embodiment, as shown in figure 4, the combustor test device further include testpieces section 20, group section 30 and after
Measuring section 40, wherein, testpieces section 20 includes fuel nozzle, combustion box, combustion chamber, and group section 30 is located at testpieces section 20
And between rear measuring section 40, connection function is played, baffle is equipped between group section 30 and rear measuring section 40, to stop that air is direct
It is connected from measuring section 40, rear measuring section 40 after combustion box flow direction with spray cooling structure 10.
In the combustor test device, natural gas is sprayed into from fuel nozzle, and outside air flows into combustion box, natural gas
It is mixed with air in combustion chamber, the energy production high-temperature fuel gas sent out by igniter, high-temperature fuel gas stream measuring section backward
40, the parameter measurement instruments such as temperature, pressure, sampling that rear measuring section 40 is arranged measure high-temperature fuel gas, and high-temperature fuel gas is after
Measuring section 40 flows to spray cooling structure 10, and when entering pipeline 11, pipeline 11 holds high-temperature fuel gas close to the side wall of rear measuring section
Easily there is localized hyperthermia, in order to reduce the temperature of pipe side wall, in the present embodiment, the water cooling of annular is equipped in the side wall of pipeline 11
Channel, cooling water circulate in water-cooling channel so that pipe side wall temperature reduces, and pipeline 11 is avoided to be influenced by localized hyperthermia；
High-temperature fuel gas is finally arranged after spray cooling to air or other process components.
By above description as can be seen that in the spray cooling structure 10, each nozzle 121 is plugged in one on pipeline 11
In a through-hole being correspondingly arranged, and the head of nozzle 121 is towards the inner cavity of pipeline 11, and nozzle 121 is to the high temperature for flowing through pipeline 11
Combustion gas sprinkling cooling water makes the reduction of its temperature, and since the head of nozzle 121 is located in through-hole so that nozzle 121 is from height
Warm combustion gas is washed away, and is played a protective role to nozzle 121, extends the service life of nozzle 121.
Obviously, those skilled in the art can carry out the utility model various modification and variations without departing from this practicality
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (10)
1. a kind of spray cooling structure, which is characterized in that including：For conveying the pipeline of high-temperature fuel gas and being arranged on the pipe
Multiple nozzle assemblies on road, wherein,
Each nozzle assembly includes nozzle, and the nozzle is used to spray cooling water to the high-temperature fuel gas for flowing through the pipeline；
The pipeline is equipped with and each one-to-one through-hole of nozzle assembly, for each nozzle assembly, the nozzle
It is plugged in through-hole corresponding with the nozzle assembly, the head of the nozzle is towards the inner cavity of the pipeline, and the nozzle
Head is located in the through-hole.
2. spray cooling structure as described in claim 1, which is characterized in that each nozzle assembly further includes sleeve, institute
The outer wall that sleeve is stated with the pipeline is fixedly connected, and the inner cavity of the sleeve is connected with the through-hole, and the nozzle is plugged in
It is fixedly connected in the sleeve and with the sleeve.
3. spray cooling structure as described in claim 1, which is characterized in that each nozzle assembly further includes sleeve, institute
It states sleeve to be plugged in the through-hole, the inner cavity of the sleeve is connected with the inner cavity of the pipeline, and the sleeve is close to described
One end of inner cavity of pipe is located in the through-hole, and the sleeve is fixedly connected with the pipeline；The nozzle is plugged in the set
It is fixedly connected in cylinder and with the sleeve.
4. such as Claims 2 or 3 any one of them spray cooling structure, which is characterized in that the sleeve includes cylinder and end
Lid, the cylinder and the end cap are detachably fixed connection；
The end cap is equipped with threaded hole, and the nozzle is equipped with the screw thread closed with the corresponding threaded holes, the nozzle and institute
End cap is stated to be threadedly coupled and be plugged in the cylinder.
5. spray cooling structure as described in claim 1, which is characterized in that the water cooling of annular is equipped in the side wall of the pipeline
Channel.
6. spray cooling structure as described in claim 1, which is characterized in that the nozzle is connected with high pressure water main pipeline, and
The nozzle is equipped with manually-operated gate.
7. spray cooling structure as described in claim 1, which is characterized in that the number of the nozzle assembly is 8, average mark
It it is two groups, every group of nozzle assembly is circumferentially uniformly distributed.
8. spray cooling structure as claimed in claim 7, which is characterized in that two groups of nozzle assemblies are staggered.
9. spray cooling structure as described in claim 1, which is characterized in that further include the first connecting flange and the second connection method
Orchid, first connecting flange and second connecting flange are fixedly connected respectively with the pipeline.
10. a kind of combustor test device, which is characterized in that including claim 1~9 any one of them spray cooling knot
Structure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721236202.1U CN207471588U (en) | 2017-09-25 | 2017-09-25 | A kind of spray cooling structure and combustor test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721236202.1U CN207471588U (en) | 2017-09-25 | 2017-09-25 | A kind of spray cooling structure and combustor test device |
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| CN207471588U true CN207471588U (en) | 2018-06-08 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109752187A (en) * | 2018-12-12 | 2019-05-14 | 西安航天动力试验技术研究所 | Rail control engine vacuum environment high-speed and high-temperature combustion gas rapid pressure cooling system |
-
2017
- 2017-09-25 CN CN201721236202.1U patent/CN207471588U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN109752187A (en) * | 2018-12-12 | 2019-05-14 | 西安航天动力试验技术研究所 | Rail control engine vacuum environment high-speed and high-temperature combustion gas rapid pressure cooling system |
| CN109752187B (en) * | 2018-12-12 | 2020-10-13 | 西安航天动力试验技术研究所 | Attitude and orbit control engine vacuum environment high-speed high-temperature gas rapid pressure-boosting and temperature-reducing system |
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| GR01 | Patent grant | ||
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| CP03 | Change of name, title or address |
Address after: 201306 101 new office building, A, 7 new industrial park, Shanghai, Pudong New Area, 600 new Yuan South Road, Pudong New Area. Patentee after: New Austrian energy power technology (Shanghai) Co., Ltd. Address before: 201406 228 yongyang Road, Yang Wang Industrial Park, South Bridge Town, Fengxian District, Shanghai Patentee before: Shanghai wisdom energy equipment Co., Ltd. |