CN204785288U - Be used for HPCC exhaust measuring step -down throttling arrangement that smolders - Google Patents
Be used for HPCC exhaust measuring step -down throttling arrangement that smolders Download PDFInfo
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- CN204785288U CN204785288U CN201520498473.9U CN201520498473U CN204785288U CN 204785288 U CN204785288 U CN 204785288U CN 201520498473 U CN201520498473 U CN 201520498473U CN 204785288 U CN204785288 U CN 204785288U
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- smoking
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Abstract
The utility model discloses a be used for HPCC exhaust measuring step -down throttling arrangement that smolders, including the heat preservation pipeline, the one end of heat preservation pipeline is connected with the HPCC, it is still including connecting, the flow nipple, cap and T shape connecting pipe are pressed to the joint formula, the one end and the exhaust of outside of T shape connecting pipe are smoldered the test system and are connected, its other end is worn to establish on the cap is pressed to the joint formula, the one end detachable connections of cap and joint is pressed to the joint formula, the other end that connects is connected with the other end of heat preservation pipeline, and the flow nipple card is established between joint and T shape connecting pipe, and the hole both ends of flow nipple still are equipped with a transition taper hole respectively, the quantity of flow nipple is a plurality of, the hole pore size of every flow nipple is different. The utility model discloses a solid particle thing piling up in this device simultaneously, can be avoided measuring the exhaust to different step -down throttle effects when smoldering, avoided the smolder influence of test result of exhaust.
Description
Technical field
The utility model relates to the step-down throttling technology field of gas in pipelines, particularly relates to a kind of step-down throttling arrangement measured for high compression combustion chamber smoking of the exhaust.
Background technique
When gas turbine and the work of military large transport airplane firing chamber maximum rating, pressure is more than 2.5Mpa, when utilizing fuel gas analysis method to test the smoking of the exhaust of firing chamber, need by high-temperature fuel gas sample collector, combustion gas be taken out through one section of thermo-insulating pipe line no longer than 25m, high-pressure gas still has the pressure of about 2.0Mpa after piping linear loss in the outlet of sample feed channel, flow is also more than 20L/min, but the pipeline pressure of smoking of the exhaust test only needs 0.1 ~ 0.2Mpa, flow only needs about 14L/min.
Conventional step-down measure increases bypass emptying in gas pipeline outlet or increase the methods such as reduction valve to reduce incoming-flow pressure, but when increasing reduction valve step-down on pipeline, existing structure of relief pressure valve makes air-flow produce right-angle steering, cause the solid particulate matter in combustion gas to have a small amount of accumulation at reduction valve place, cause the measured value of aeroengine smoking of the exhaust on the low side.So test for the smoking of the exhaust of high compression combustion chamber, need to increase effective step-down water saving measures to meet testing requirement between sampling pipe outlet and smoking of the exhaust device.
Model utility content
The utility model mainly to solve in prior art existing technical problem, thus provide a kind of and measure accurately, the step-down throttling arrangement measured for high compression combustion chamber smoking of the exhaust of step-down good throttle effect.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals:
The step-down throttling arrangement measured for high compression combustion chamber smoking of the exhaust that the utility model provides, comprise thermo-insulating pipe line, one end of described thermo-insulating pipe line is connected with high compression combustion chamber, it also comprises joint, flow nipple, joint type pressure cap and T-shaped connecting tube, one end of described T-shaped connecting tube is connected with outside smoking of the exhaust test system, its the other end is located on described joint type pressure cap, described joint type pressure cap is connected with one end of described joint is removable, the other end of described joint is connected with the other end of described thermo-insulating pipe line, and described flow nipple is fastened between described joint and T-shaped connecting tube, and the endoporus two ends of described flow nipple are also respectively equipped with a transition tapered hole, the position of two described transition tapered hole is corresponding with hole site in the endoporus of described joint and described T-shaped connecting tube respectively, wherein, the quantity of described flow nipple is multiple, the endoporus pore size of each described flow nipple is different.
Further, also comprise four-way valve, float flowmeter and pressure detecting instrument, the forthright of described four-way valve is connected between described T-shaped connecting tube and smoking of the exhaust test system, and the two-way right angle road of described four-way valve is connected with pressure detecting instrument with described float flowmeter respectively.
Further, one side end face of described joint is also provided with one first groove, the other end end face of described T-shaped connecting tube is provided with one second groove, described first groove is corresponding with the position of the second groove, the two ends of described flow nipple are fastened in described first groove and the second groove respectively, and with described first groove and the second groove Spielpassung.
Further, the endoporus pore diameter range of described flow nipple is Φ 0.5-Φ 2.0mm.
Further, one end of described joint type pressure cap and described joint is interconnected by screw thread.
The beneficial effects of the utility model are: by thermo-insulating pipe line, the combustion gas of high compression combustion chamber is led to flow nipple place, the flow nipple in different endoporus aperture is utilized to carry out step-down throttling, achieve different step-down restriction effects, simultaneously, by seamlessly transitting of the transition tapered hole of flow nipple and thermo-insulating pipe line endoporus and T-shaped connecting tube endoporus, the accumulation of solid particulate matter in this device can be avoided when measuring smoking of the exhaust, avoiding the impact on smoking of the exhaust test result.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the step-down throttling arrangement for the measurement of high compression combustion chamber smoking of the exhaust of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Consult shown in Fig. 1, the step-down throttling arrangement measured for high compression combustion chamber smoking of the exhaust of the present utility model, comprise thermo-insulating pipe line 1, one end of thermo-insulating pipe line 1 is connected with high compression combustion chamber 2, it also comprises joint 3, flow nipple 4, joint type pressure cap 5 and T-shaped connecting tube 6, one end of T-shaped connecting tube 6 is connected with outside smoking of the exhaust test system 7, its the other end is located on joint type pressure cap 5, joint type pressure cap 5 is connected with one end of joint 3 is removable, preferably, conveniently mount and dismount, joint type pressure cap 5 is interconnected by screw thread with one end of joint 3.The other end of joint 3 is connected with the other end of thermo-insulating pipe line 1, and flow nipple 4 is fastened between joint 3 and T-shaped connecting tube 6, and the endoporus two ends of flow nipple 4 are also respectively equipped with a transition tapered hole 13, the position of two transition tapered hole 13 is corresponding with hole site in the endoporus of joint 3 and T-shaped connecting tube 6 respectively, wherein, the quantity of flow nipple 4 is multiple, and the endoporus pore size of each flow nipple 4 is different.In the utility model, the quantity of flow nipple 4 is seven, and its endoporus pore diameter range is preferably Φ 0.5-Φ 2.0mm.According to different step-down throttling requirements, different flow nipples 4 can be selected to install, thus ensure step-down restriction effect, as the high compression combustion chamber 2 of 2.8Mpa, the long 10m of thermo-insulating pipe line 1, should connect in thermo-insulating pipe line 1 outlet port the flow nipple that internal diameter is Φ 0.6.
Preferably, this device also comprises four-way valve 8, float flowmeter 9 and pressure detecting instrument 10, and the forthright of four-way valve 8 is connected between T-shaped connecting tube 6 and smoking of the exhaust test system 7, reduces the solid particulate matter deposition that right-angle turning causes.The two-way right angle road of four-way valve 8 is connected with pressure detecting instrument 10 with float flowmeter 9 respectively.By regulating float flowmeter 9 can make sampling combustion gas after step-down throttling, the pipeline pressure entering smoking of the exhaust test system 7 controls at 0.1Mpa, and flow control, at 14L/min, meets the test request of the high compression combustion chamber smoking of the exhaust of aeroengine.Pressure detecting instrument 10 is for the pressure of Real-Time Monitoring sampling combustion gas.
Preferably, one side end face of joint 3 is also provided with one first groove 11, the other end end face of T-shaped connecting tube 6 is provided with one second groove 12, first groove 11 is corresponding with the position of the second groove 12, the two ends of flow nipple 4 are fastened in the first groove 11 and the second groove 12 respectively, and with the first groove 11 and the second groove 12 Spielpassung, flow nipple 4 can be convenient for changing like this.
The combustion gas of high compression combustion chamber 2 is led to flow nipple 4 place by thermo-insulating pipe line 1 by the utility model, the flow nipple 4 in different endoporus aperture is utilized to carry out step-down throttling, achieve different step-down restriction effects, simultaneously, by seamlessly transitting of the transition tapered hole of flow nipple 4 13 and thermo-insulating pipe line 1 endoporus and T-shaped connecting tube 6 endoporus, the accumulation of solid particulate matter in this device can be avoided when measuring smoking of the exhaust, avoiding the impact on smoking of the exhaust test result.
Above, be only embodiment of the present utility model, but protection domain of the present utility model is not limited thereto, any change of expecting without creative work or replacement, all should be encompassed within protection domain of the present utility model.Therefore, the protection domain that protection domain of the present utility model should limit with claims is as the criterion.
Claims (5)
1. the step-down throttling arrangement measured for high compression combustion chamber smoking of the exhaust, comprise thermo-insulating pipe line (1), one end of described thermo-insulating pipe line (1) is connected with high compression combustion chamber (2), it is characterized in that: also comprise joint (3), flow nipple (4), joint type pressure cap (5) and T-shaped connecting tube (6), one end of described T-shaped connecting tube (6) is connected with outside smoking of the exhaust test system (7), its the other end is located on described joint type pressure cap (5), described joint type pressure cap (5) is connected with one end of described joint (3) is removable, the other end of described joint (3) is connected with the other end of described thermo-insulating pipe line (1), and described flow nipple (4) is fastened between described joint (3) and T-shaped connecting tube (6), and the endoporus two ends of described flow nipple (4) are also respectively equipped with a transition tapered hole (13), the position of two described transition tapered hole (13) is corresponding with the endoporus of described joint (3) and the interior hole site of described T-shaped connecting tube (6) respectively, wherein, the quantity of described flow nipple (4) is multiple, the endoporus pore size of each described flow nipple (4) is different.
2. as claimed in claim 1 for the step-down throttling arrangement of high compression combustion chamber smoking of the exhaust measurement, it is characterized in that: also comprise four-way valve (8), float flowmeter (9) and pressure detecting instrument (10), the forthright of described four-way valve (8) is connected between described T-shaped connecting tube (6) and smoking of the exhaust test system (7), and the two-way right angle road of described four-way valve (8) is connected with pressure detecting instrument (10) with described float flowmeter (9) respectively.
3. as claimed in claim 1 or 2 for the step-down throttling arrangement of high compression combustion chamber smoking of the exhaust measurement, it is characterized in that: a side end face of described joint (3) is also provided with one first groove (11), the other end end face of described T-shaped connecting tube (6) is provided with one second groove (12), described first groove (11) is corresponding with the position of the second groove (12), the two ends of described flow nipple (4) are fastened in described first groove (11) and the second groove (12) respectively, and with described first groove (11) and the second groove (12) Spielpassung.
4., as claimed in claim 1 for the step-down throttling arrangement that high compression combustion chamber smoking of the exhaust is measured, it is characterized in that: the endoporus pore diameter range of described flow nipple (4) is Φ 0.5-Φ 2.0mm.
5. as claimed in claim 4 for the step-down throttling arrangement that high compression combustion chamber smoking of the exhaust is measured, it is characterized in that: described joint type pressure cap (5) is interconnected by screw thread with one end of described joint (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498473.9U CN204785288U (en) | 2015-07-09 | 2015-07-09 | Be used for HPCC exhaust measuring step -down throttling arrangement that smolders |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520498473.9U CN204785288U (en) | 2015-07-09 | 2015-07-09 | Be used for HPCC exhaust measuring step -down throttling arrangement that smolders |
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| CN204785288U true CN204785288U (en) | 2015-11-18 |
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| CN201520498473.9U Active CN204785288U (en) | 2015-07-09 | 2015-07-09 | Be used for HPCC exhaust measuring step -down throttling arrangement that smolders |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435772A (en) * | 2017-09-18 | 2017-12-05 | 中车唐山机车车辆有限公司 | The pipeline connecting parts of motor vehicle braking system |
| CN111578031A (en) * | 2020-05-28 | 2020-08-25 | 上海应用技术大学 | Speed-adjustable water pipe joint |
| CN113267343A (en) * | 2021-04-26 | 2021-08-17 | 中国联合重型燃气轮机技术有限公司 | Gas turbine test equipment |
-
2015
- 2015-07-09 CN CN201520498473.9U patent/CN204785288U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107435772A (en) * | 2017-09-18 | 2017-12-05 | 中车唐山机车车辆有限公司 | The pipeline connecting parts of motor vehicle braking system |
| CN111578031A (en) * | 2020-05-28 | 2020-08-25 | 上海应用技术大学 | Speed-adjustable water pipe joint |
| CN111578031B (en) * | 2020-05-28 | 2021-11-23 | 上海应用技术大学 | Speed-adjustable water pipe joint |
| CN113267343A (en) * | 2021-04-26 | 2021-08-17 | 中国联合重型燃气轮机技术有限公司 | Gas turbine test equipment |
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