CN205991880U - A kind of block testing stand discharge duct chiller - Google Patents
A kind of block testing stand discharge duct chiller Download PDFInfo
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- CN205991880U CN205991880U CN201620979887.8U CN201620979887U CN205991880U CN 205991880 U CN205991880 U CN 205991880U CN 201620979887 U CN201620979887 U CN 201620979887U CN 205991880 U CN205991880 U CN 205991880U
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- pipeline
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- outer tube
- water
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Abstract
The utility model discloses a kind of block testing stand discharge duct chiller, it includes suction flange, discharged circulated cooling water ring, pipeline assembly, and recirculated cooling water enters water ring, outlet(discharge) flange;Pipeline assembly is convergence type pipeline, pipeline assembly includes the pipeline outer tube being fixedly connected by reinforcing bar and pipeline inner core, the outer wall of pipeline outer tube is provided with three water rings, corresponding three water rings, pipeline outer tube and pipeline inner core are along the circumferential direction evenly arranged with nozzle bore respectively, and nozzle in the hole is provided with nozzle;Inlet and outlet flange is fixedly connected with pipeline inner core two ends with pipeline outer tube respectively, recirculated cooling water water ring two ends are fixedly connected with pipeline outer tube with flange respectively, corresponding recirculated cooling water water ring, pipeline outer tube is along the circumferential direction evenly arranged with discharged circulated cooling water hole and recirculated cooling water inlet opening respectively;Pipeline cooling device of the present utility model, by the way of interlayer circulating cooling and water-spraying control combine, improves cooling effectiveness.
Description
Technical field
This utility model is related to a kind of pipeline cooling device, and especially a kind of block testing stand discharge duct that is used for cools down
Device.
Background technology
When in ground simulation electromotor high-altitude flight state, need to arrange exhaust apparatus, in prior art, generally adopt
The high-temperature gas that electromotor is discharged is discharged by metallic conduit as exhaust apparatus;But, the electromotor of high-altitude flight is discharged
Gas be high-temperature gas, its temperature generally more than 350 DEG C, when electromotor discharge high-temperature gas in metallic conduit internal flow
When, flow of metal, life-time service can be led to, metallic conduit gross distortion can be led to even to scrap;Prior art is generally using spray
Mouth is sprayed water into pipeline and the high-temperature gas in pipeline is cooled down, but a small amount of cooling water is unable to reach good cooling effect
Really, and substantial amounts of cooling water for can increase gas flow after vapor, increase and follow-up be evacuated burden;Prior art is led to simultaneously
Frequently with swirl atomizer or smooth-bore tip to spray cooling water in pipeline, but the jet length of swirl atomizer is limited, works as flowing
High temperature gas flow out-of-date, can directly cooling water be blown away it is impossible to be cooled to the high-temperature gas within pipeline, and smooth-bore tip,
Although the jet length of coolant is longer, the area coverage of injection is low it is impossible to instant cool down to high-temperature gas, therefore, existing
Have the swirl atomizer that technology adopted and smooth-bore tip cooling effectiveness relatively low it is impossible to reach the cooling effect to high-temperature gas.
Content of the invention
The purpose of this utility model is to overcome the defect of above-mentioned prior art presence to provide a kind of efficiently cooling
Block testing stand discharge duct chiller.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of block testing stand discharge duct chiller includes suction flange, discharged circulated cooling water ring, pipeline group
Component, recirculated cooling water enters water ring, outlet(discharge) flange;Described pipeline assembly is the convergence type pipe gradually restrained along airflow direction
Road, described pipeline assembly includes pipeline outer tube and pipeline inner core, is provided with along pipe between described pipeline outer tube and pipeline inner core
The axially arranged reinforcing bar in road, the inwall of pipeline outer tube is fixedly connected by described reinforcing bar with the outer wall of pipeline inner core, along pipeline combination
The convergence direction of part, the outer wall of pipeline outer tube is disposed with the first water ring, the second water ring and the 3rd water ring, corresponding
On the circumference that first water ring, the second water ring and the 3rd water ring are located, pipeline outer tube and pipeline inner core along the circumferential direction divide
It is not evenly arranged with pipeline outer tube nozzle bore and pipeline inner core nozzle bore, nozzle sequentially passes through outer tube nozzle bore and the spray of pipeline inner core
Nozzle aperture is simultaneously fixedly connected with described outer tube nozzle bore and pipeline inner core nozzle bore;Described suction flange enters with pipeline assembly respectively
The pipeline outer tube at gas end is fixedly connected with pipeline inner core, the described outlet(discharge) flange pipeline outer tube with pipeline assembly exhaust end respectively
It is fixedly connected with pipeline inner core;Described discharged circulated cooling water ring one end is fixedly connected with suction flange, the other end and pipeline group
The pipeline outer tube of component inlet end is fixedly connected, and described recirculated cooling water is entered water ring one end and is fixedly connected with outlet(discharge) flange, another
End is fixedly connected with the pipeline outer tube of pipeline assembly exhaust end, and corresponding discharged circulated cooling water ring and recirculated cooling water enter water ring
On the circumference being located, pipeline outer tube is along the circumferential direction evenly arranged with discharged circulated cooling water hole and recirculated cooling water water inlet respectively
Hole.
Further, described pipeline assembly includes the first pipeline outer tube, second pipe outer tube and the 3rd pipeline outer tube, institute
State the first pipeline outer tube, second pipe outer tube and the 3rd pipeline outer tube set gradually along the convergence direction of pipeline assembly, described
It is fixedly connected with the first cooling circulating water collecting ring, described second pipe outer tube between first pipeline outer tube and second pipe outer tube
With the 3rd be fixedly connected with the second cooling circulating water collecting ring between pipeline outer tube, described first water ring, the second water ring and
3rd water ring is separately positioned on the first pipeline outer tube, on the outer wall of second pipe outer tube and the 3rd pipeline outer tube.
Further, described reinforcing bar is uniformly distributed along pipe circumference direction.
Further, described discharged circulated cooling water ring, and recirculated cooling water enters to be provided with cooling circulating water on water ring
Joint, described first water ring, the second water ring and the 3rd water ring are provided with water spray pipe joint.
Further, described nozzle includes nozzle body, nozzle inner cover plate, cylinder;Described nozzle body includes nozzle outer cover plate,
Nozzle annulus, is centrifuged inlet opening, nozzle bore, transition tapered hole, described nozzle outer cover plate is cylinder, described nozzle outer cover plate and institute
State nozzle annulus end face to be fixedly and coaxially connected, along the axis of the nozzle outer cover plate being fixedly connected and nozzle annulus, in nozzle
Annulus, on nozzle outer cover plate direction, is disposed with transition tapered hole and nozzle bore, described transition cone in described nozzle outer cover plate
Hole one end diameter is identical with jet orifice diameter, and other end diameter is identical with the internal diameter of nozzle annulus;The side wall of described nozzle annulus
It is provided with centrifugation inlet opening;Described nozzle inner cover plate is cylinder, and described nozzle inner cover plate center is provided with direct current inlet opening, institute
State direct current inlet opening coaxial with described nozzle bore, described nozzle inner cover plate and described nozzle annulus other end are coaxially fixing to be connected
Connect, the diameter of described direct current inlet opening is less than the diameter of described nozzle bore;Described nozzle body and nozzle inner cover plate are arranged on described
In cylinder, described nozzle outer cover plate and described cylinder are fixedly and coaxially connected.
Further, on the side wall of described nozzle annulus, the centrifugation inlet opening of setting is 2,2 described centrifugation inlet openings
Symmetrical with the axis centre of described annulus.
Further, described nozzle outer cover plate is arranged in described cylinder and is stopped with the positioning being arranged on described cylinder one end
Mouth is fixedly connected.
Compared with prior art, block testing stand discharge duct chiller described in the utility model, by managing
Road molectron is set to middle be fixedly connected the sandwich of pipeline outer tube and pipeline inner core so that circulating cooling hydromining by reinforcing bar
Mode flow in interlayer with going out inverse air-flow before laggard is realized to metallic conduit cooling and is passed through water-spraying control to high-temperature gas
Cool down the mode combining, improve cooling effectiveness;Meanwhile, the nozzle that this utility model is adopted, by setting and nozzle bore
The centrifugation inlet opening of the side wall of coaxial direct current inlet opening and nozzle annulus, defines with center distance, surrounding short distance
From big area coverage cooling water, improve cooling effectiveness.
Brief description
With reference to the accompanying drawings and detailed description this utility model is further described.
Fig. 1 is the external structure schematic diagram of this utility model block testing stand discharge duct chiller.
Fig. 2 is the internal structure schematic diagram of this utility model block testing stand discharge duct chiller.
Fig. 3 is the amplification diagram in A portion in Fig. 2.
Fig. 4 is the amplification diagram in B portion in Fig. 2.
Fig. 5 is the structural representation of the pipeline assembly of this utility model block testing stand discharge duct chiller.
Fig. 6 is the sectional view along B-B for the Fig. 5.
Fig. 7 is the amplification diagram in C portion in Fig. 5.
Fig. 8 is the amplification diagram in D portion in Fig. 6.
Fig. 9 is the pipeline outer tube first paragraph of this utility model block testing stand discharge duct chiller, pipeline outer tube
Second segment, the structural representation that the 3rd section of pipeline outer tube.
Figure 10 is the structural representation of the pipeline inner core of this utility model block testing stand discharge duct chiller.
Figure 11 is the axonometric chart of the nozzle of this utility model block testing stand discharge duct chiller.
Figure 12 is the cut-away view of the nozzle of this utility model block testing stand discharge duct chiller.
Figure 13 is the schematic diagram of the nozzle body of this utility model block testing stand discharge duct chiller nozzle.
Figure 14 is the sectional view in Figure 13 along A-A.
Specific embodiment
Referring to Fig. 1-Figure 14, a kind of block testing stand discharge duct chiller includes suction flange 1, recirculated cooling water
Draining ring 2, pipeline assembly 3, recirculated cooling water enters water ring 5, outlet(discharge) flange 6;Described pipeline assembly 3 be along airflow direction by
Taper the convergence type pipeline held back, described pipeline assembly 3 includes pipeline outer tube and pipeline inner core 15, described pipeline outer tube and pipeline
It is provided with along the axially arranged reinforcing bar of pipeline 16 between inner core 15, described reinforcing bar 16 is by the inwall of pipeline outer tube and pipeline inner core 15
Outer wall be fixedly connected, along the convergence direction of pipeline assembly 3, the outer wall of pipeline outer tube is disposed with the first water ring 7,
The circumference that second water ring 9 and the 3rd water ring 11, corresponding first water ring 7, the second water ring 9 and the 3rd water ring 11 are located
On, pipeline outer tube and pipeline inner core 15 are along the circumferential direction evenly arranged with pipeline outer tube nozzle bore 18 and pipeline inner core nozzle respectively
Hole 21, nozzle 17 sequentially pass through outer tube nozzle bore 18 and pipeline inner core nozzle bore 21 and with described outer tube nozzle bore 18 and pipeline in
Cylinder nozzle bore 21 is fixedly connected;Described suction flange 1 pipeline outer tube and the pipeline inner core 15 with pipeline assembly 3 inlet end respectively
It is fixedly connected, described outlet(discharge) flange 6 is fixedly connected with pipeline inner core 15 with the pipeline outer tube of pipeline assembly 3 exhaust end respectively;
Described discharged circulated cooling water ring 2 one end is fixedly connected with suction flange 1, the pipeline of the other end and pipeline assembly 3 inlet end
Outer tube is fixedly connected, and described recirculated cooling water is entered water ring 5 one end and is fixedly connected with outlet(discharge) flange 6, the other end and pipeline assembly 3
The pipeline outer tube of exhaust end is fixedly connected, and corresponding discharged circulated cooling water ring 2 and recirculated cooling water enter the circumference that water ring 5 is located
On, pipeline outer tube is along the circumferential direction evenly arranged with discharged circulated cooling water hole 19 and recirculated cooling water inlet opening 20 respectively.
Preferably, described pipeline assembly 3 includes the first pipeline outer tube 12, second pipe outer tube 13 and the 3rd pipeline outer tube
14, described first pipeline outer tube 12, second pipe outer tube 13 and the 3rd pipeline outer tube 14 along pipeline assembly 3 convergence direction according to
Secondary setting, is fixedly connected with the first cooling circulating water collecting ring 8 between described first pipeline outer tube 12 and second pipe outer tube 13,
It is fixedly connected with the second cooling circulating water collecting ring 10 between described second pipe outer tube 13 and the 3rd pipeline outer tube 14, described
One water ring 7, the second water ring 9 and the 3rd water ring 11 are separately positioned on the first pipeline outer tube 12, second pipe outer tube 13 He
On the outer wall of the 3rd pipeline outer tube 14.
Preferably, described reinforcing bar 16 is uniformly distributed along pipe circumference direction.
Preferably, described discharged circulated cooling water ring 2, and recirculated cooling water enters and is provided with cooling circulating water on water ring 5
Joint 4, described first water ring 7, the second water ring 9 and the 3rd water ring 11 are provided with water spray pipe joint 22.
Preferably, described nozzle 17 includes nozzle body 23, nozzle inner cover plate 24, cylinder 25;Described nozzle body 23 includes spraying
Mouth outer cover plate 26, nozzle annulus 27, it is centrifuged inlet opening 28, nozzle bore 30, transition tapered hole 31, described nozzle outer cover plate 26 is cylinder
Body, described nozzle outer cover plate 26 is fixedly and coaxially connected with described nozzle annulus 27 end face, along the nozzle outer cover plate being fixedly connected
26 and the axis of nozzle annulus 27, on nozzle annulus 27 to nozzle outer cover plate 26 direction, in described nozzle outer cover plate 26 according to
Secondary be provided with transition tapered hole 31 and nozzle bore 30, described transition tapered hole 31 one end diameter is identical with nozzle bore 30 diameter, the other end
Diameter is identical with the internal diameter of nozzle annulus 27;The side wall of described nozzle annulus 27 is provided with centrifugation inlet opening 28;In described nozzle
Cover plate 24 is cylinder, and described nozzle inner cover plate 24 center is provided with direct current inlet opening 29, described direct current inlet opening 29 and described spray
Nozzle aperture 30 is coaxial, and described nozzle inner cover plate 24 is fixedly and coaxially connected with described nozzle annulus 27 other end, described direct current feed liquor
The diameter in hole 29 is less than the diameter of described nozzle bore 30;Described nozzle body 23 and nozzle inner cover plate 24 are arranged on described cylinder 25
Interior, described nozzle outer cover plate 26 is fixedly and coaxially connected with described cylinder 25.
Preferably, on the side wall of described nozzle annulus 27, the centrifugation inlet opening 28 of setting is 2,2 described centrifugation feed liquors
Hole 28 is symmetrical with the axis centre of described annulus 27.
Preferably, described nozzle outer cover plate 26 be arranged in described cylinder 25 and be arranged on determining of described cylinder 25 one end
Position seam is fixedly connected.
Finally illustrate, above example is merely to illustrate the technical solution of the utility model and unrestricted, although ginseng
According to preferred embodiment, this utility model is described in detail, it will be understood by those of skill in the art that can be to this reality
Modified and equivalent substitute with new technical scheme, the objective without deviating from technical solutions of the utility model and scope, its
All should cover in the middle of right of the present utility model.
Claims (7)
1. a kind of block testing stand discharge duct chiller is it is characterised in that include suction flange (1), recirculated cooling water
Draining ring (2), pipeline assembly (3), recirculated cooling water enters water ring (5), outlet(discharge) flange (6);Described pipeline assembly (3) is edge
The convergence type pipeline that airflow direction is gradually restrained, described pipeline assembly (3) includes pipeline outer tube and pipeline inner core (15), described
It is provided between pipeline outer tube and pipeline inner core (15) along the axially arranged reinforcing bar of pipeline (16), described reinforcing bar (16) is by outside pipeline
The inwall of cylinder is fixedly connected with the outer wall of pipeline inner core (15), along the convergence direction of pipeline assembly (3), the outer wall of pipeline outer tube
On be disposed with the first water ring (7), the second water ring (9) and the 3rd water ring (11), corresponding first water ring (7), the
On the circumference that two water rings (9) and the 3rd water ring (11) are located, pipeline outer tube and pipeline inner core (15) are along the circumferential direction distinguished
It is evenly arranged with pipeline outer tube nozzle bore (18) and pipeline inner core nozzle bore (21), nozzle (17) sequentially passes through outer tube nozzle bore
(18) it is fixedly connected with pipeline inner core nozzle bore (21) and with described outer tube nozzle bore (18) and pipeline inner core nozzle bore (21);Institute
State suction flange (1) to be fixedly connected with pipeline inner core (15) with the pipeline outer tube of pipeline assembly (3) inlet end respectively, described go out
Mouth flange (6) is fixedly connected with pipeline inner core (15) with the pipeline outer tube of pipeline assembly (3) exhaust end respectively;Described circulation is cold
But water draining ring (2) one end is fixedly connected with suction flange (1), the pipeline outer tube of the other end and pipeline assembly (3) inlet end
It is fixedly connected, described recirculated cooling water is entered water ring (5) one end and is fixedly connected with outlet(discharge) flange (6), the other end and pipeline assembly
(3) the pipeline outer tube of exhaust end is fixedly connected, and corresponding discharged circulated cooling water ring (2) and recirculated cooling water enter water ring (5) and be located
Circumference on, pipeline outer tube be along the circumferential direction evenly arranged with respectively discharged circulated cooling water hole (19) and recirculated cooling water water inlet
Hole (20).
2. block testing stand discharge duct chiller according to claim 1 is it is characterised in that described pipeline combines
Part (3) includes the first pipeline outer tube (12), second pipe outer tube (13) and the 3rd pipeline outer tube (14), described first pipeline outer tube
(12), second pipe outer tube (13) and the 3rd pipeline outer tube (14) set gradually along the convergence direction of pipeline assembly (3), described
It is fixedly connected with the first cooling circulating water collecting ring (8) between first pipeline outer tube (12) and second pipe outer tube (13), described
It is fixedly connected with the second cooling circulating water collecting ring (10) between second pipe outer tube (13) and the 3rd pipeline outer tube (14), described
First water ring (7), the second water ring (9) and the 3rd water ring (11) are separately positioned on the first pipeline outer tube (12), second pipe
On the outer wall of road outer tube (13) and segment pipe outer tube (14).
3. block testing stand discharge duct chiller according to claim 1 is it is characterised in that described reinforcing bar (16)
It is uniformly distributed along pipe circumference direction.
4. block testing stand discharge duct chiller according to claim 1 is it is characterised in that described circulating cooling
Water draining ring (2), and recirculated cooling water enters to be provided with cooling circulating water joint (4) on water ring (5), described first water ring
(7), the second water ring (9) and the 3rd water ring (11) are provided with water spray pipe joint (22).
5. block testing stand discharge duct chiller according to claim 1 is it is characterised in that described nozzle (17)
Including nozzle body (23), nozzle inner cover plate (24), cylinder (25);Described nozzle body (23) includes nozzle outer cover plate (26), nozzle
Annulus (27), centrifugation inlet opening (28), nozzle bore (30), transition tapered hole (31), described nozzle outer cover plate (26) is cylinder, institute
State nozzle outer cover plate (26) to be fixedly and coaxially connected with described nozzle annulus (27) end face, along the nozzle outer cover plate being fixedly connected
(26) and nozzle annulus (27) axis, nozzle annulus (27) arrive nozzle outer cover plate (26) direction on, described nozzle enclosing cover
It is disposed with transition tapered hole (31) and nozzle bore (30), described transition tapered hole (31) one end diameter and nozzle bore in plate (26)
(30) diameter is identical, and other end diameter is identical with the internal diameter of nozzle annulus (27);The side wall of described nozzle annulus (27) is provided with
Centrifugation inlet opening (28);Described nozzle inner cover plate (24) is cylinder, and described nozzle inner cover plate (24) center is provided with direct current feed liquor
Hole (29), described direct current inlet opening (29) is coaxial with described nozzle bore (30), and described nozzle inner cover plate (24) is justified with described nozzle
Ring (27) other end is fixedly and coaxially connected, and the diameter of described direct current inlet opening (29) is less than the diameter of described nozzle bore (30);
Described nozzle body (23) and nozzle inner cover plate (24) are arranged in described cylinder (25), described nozzle outer cover plate (26) and described cylinder
Body (25) is fixedly and coaxially connected.
6. block testing stand discharge duct chiller according to claim 5 is it is characterised in that described nozzle annulus
(27) on side wall, the centrifugation inlet opening (28) of setting is 2, and 2 described centrifugations inlet opening (28) are with the axle of described annulus (27)
Line centrosymmetry.
7. block testing stand discharge duct chiller according to claim 5 is it is characterised in that described nozzle enclosing cover
Plate (26) is arranged in described cylinder (25) and is fixedly connected with the positioning spigot being arranged on described cylinder (25) one end.
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CN201620979887.8U CN205991880U (en) | 2016-08-29 | 2016-08-29 | A kind of block testing stand discharge duct chiller |
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CN201620979887.8U CN205991880U (en) | 2016-08-29 | 2016-08-29 | A kind of block testing stand discharge duct chiller |
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Cited By (1)
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 |
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Cited By (1)
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 |
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