CN206177378U - Heavy -calibre low temperature turbine flowmeter - Google Patents
Heavy -calibre low temperature turbine flowmeter Download PDFInfo
- Publication number
- CN206177378U CN206177378U CN201621050381.5U CN201621050381U CN206177378U CN 206177378 U CN206177378 U CN 206177378U CN 201621050381 U CN201621050381 U CN 201621050381U CN 206177378 U CN206177378 U CN 206177378U
- Authority
- CN
- China
- Prior art keywords
- housing
- impeller
- diversion frame
- blade
- effusion meter
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 239000004429 Calibre Substances 0.000 title abstract 2
- 238000001816 cooling Methods 0.000 claims description 11
- 108090000565 Capsid Proteins Proteins 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 210000000664 rectum Anatomy 0.000 abstract description 4
- 239000012530 fluid Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003380 propellant Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
Landscapes
- Measuring Volume Flow (AREA)
Abstract
The utility model provides a heavy -calibre low temperature turbine flowmeter, including the casing and installing flow guiding frame, impeller and back flow guiding frame before epaxial in proper order, preceding flow guiding frame casing is cavity cone structure, and the cone pyramis is smooth arc surface, preceding flow guiding frame casing is connected with the one end of axle, preceding flow guiding frame blade and casing swing joint, the impeller shell body is hollow structure, epaxially be provided with a pair of bearing, the impeller shell body is installed on the bearing, back flow guiding frame casing is hollow structure, and the other end of back flow guiding frame casing and axle is connected, back flow guiding frame blade and casing link firmly. The utility model discloses increased flow reduces flowmeter quality and rotary part's quality when counting the bore, reduced rotatable parts's inertia promptly, and it is DN600 that this flowmeter can be used at the latus rectum, and the flow is 0.6~1.2m3s, and pressure is on 1.6MPa's the pipeline.
Description
Technical field
This utility model belongs to field of flow measurement, is related to a kind of turbine flowmeter, for heavy caliber (DN600), low temperature
Or the flow measurement of room temperature fluid.
Background technology
In field of fluid and liquid propellant rocket engine test field, it usually needs the stream to big flow cryogenic media
Body is measured, and pipeline drift diameter is big (DN600), the big (1.2m of flow3/ s), and there is presently no the cryogenic turbo flow of the bore
Meter.
Utility model content
The purpose of this utility model be to provide it is a kind of be applied to latus rectum be DN600 pipelines heavy caliber cryogenic turbo flow
Meter, for the flow measurement of cryogenic media.
Technical solution of the present utility model is to provide a kind of heavy caliber cryogenic turbo effusion meter, including housing and successively
Front diversion frame, impeller and the back diversion frame being mounted on an axle, it is particular in that：Above-mentioned front diversion frame includes front diversion frame shell
Body and front diversion frame blade；Above-mentioned impeller includes impeller housing and impeller blade；Above-mentioned back diversion frame includes back diversion frame housing
With back diversion frame blade；
Above-mentioned front diversion frame housing is hollow cone structure, and pyramid is smooth arc surface；Above-mentioned front diversion frame housing
It is connected with one end of axle；Above-mentioned front diversion frame blade is flexibly connected with housing；
Above-mentioned impeller housing is hollow structure；A pair of bearings is provided with above-mentioned axle, above-mentioned impeller housing is arranged on bearing
On；
Above-mentioned back diversion frame housing connects for the other end of hollow structure, above-mentioned back diversion frame housing and axle；For fixation
Water conservancy diversion frame, above-mentioned back diversion frame blade and housing are connected.
Above-mentioned housing inner diameter is 590mm, and housing overall length is 650mm.Material is rustless steel, is applied to latus rectum DN600 pipelines.
Water conservancy diversion frame center housing and impeller housing are designed as into hollow structure, mitigate effusion meter quality, while reducing increase
The rotary inertia of rotary part after bore.
Above-mentioned impeller housing is divided into procapsid, center housing and back casing, and the two ends of center housing are mounted on bearings；Before
Housing and back casing are welded to each other for the bottom of hollow taper structure, procapsid and back casing, the tapering of procapsid and back casing
Weld with the two ends of center housing respectively.Its material is stainless steel.
In order to adapt to low temperature state, there is gap between the two ends of above-mentioned center housing and bearing.
In order to improve rotating speed of the fluid at impeller, above-mentioned impeller blade is installed on impeller back casing, impeller back casing
The position for installing blade is cylindrical shape, a diameter of 300mm at cylindric excessively stream.
In order to make full use of the kinetic energy of fluid, above-mentioned impeller blade is 16, at blade central diameter with come to flow angle be 55 °,
Blade is helical blades, and helical angle is 18 °.
Above-mentioned housing is provided with gathering sill, in the guide vane insertion gathering sill of front diversion frame.The water conservancy diversion leaf of front diversion frame
There is gap between piece and gathering sill.Ensure that axial shrinkage does not produce stress concentration under low temperature.
It is uniform in order to cool down inside and outside flowmeter shell, in above-mentioned front diversion frame center housing, impeller housing and back diversion frame
Cooling Holes are provided with heart housing.
The beneficial effects of the utility model are：
1st, reduce the quality of effusion meter quality and rotary part while this utility model increase effusion meter bore, that is, reduce
The rotary inertia of rotatable parts, it is DN600 that the effusion meter can be applied in latus rectum, and flow is 0.6~1.2m3/ s, pressure is
On the pipeline of 1.6MPa；
2nd, this utility model fluid area of passage at impeller is minimum, improves fluid flow velocity in this place, improves leaf
Wheel speed, there is provided certainty of measurement；
3rd, this utility model is between rotatable parts and the contact position of front diversion frame and housing is reserved with axial gap, low
Under temperature state, it is allowed to which each part to back diversion frame shrinks, thermal stress is discharged, while other directions still keep operative constraint, leaf
Wheel is rotated smoothly；
4th, each cavity body structure of this utility model is provided with Cooling Holes, it is ensured that the inside and outside cooling of cavity is uniform, prevents low temperature deformation
It is uneven.
Description of the drawings
Fig. 1 is this utility model structural representation；
Fig. 2 is the scheme of installation of front diversion frame and housing；
Fig. 3 is this utility model sectional view.
Reference is in figure：1- housings, 2- front diversion frames, 21- front diversion frame housings；22- front diversion frame blades；3-
Axle, 4- bearings, 5- electromagnetic induction devices, 6- back diversion frames, 61- back diversion frame housings；62- back diversion frame blades；7- locking screws
Bolt, 8- impeller procapsids, 9- impellers, 10- impeller back casings, 11- impeller central housings, 12- gathering sills, the gaps of 131- first,
The gaps of 132- second；133- third spaces；The gaps of 134- the 4th, the Cooling Holes of 141- first, the Cooling Holes of 142- second, 143- the 3rd
Cooling Holes, the Cooling Holes of 144- the 4th.
Specific embodiment
This utility model is further described below in conjunction with accompanying drawing.
As shown in figure 1, this utility model includes housing 1, front diversion frame 2, impeller 9 and back diversion frame 6, front diversion frame 2, leaf
Wheel 9 and back diversion frame 6 are located inside housing 1；The internal diameter of housing 1 is 590mm, and overall length 650mm, material is rustless steel；9 sets of impeller
It is mounted on axle 3, the center housing 21 of front diversion frame is connected by one end of bolt and axle, and the other end of axle is led by bolt with after
The center housing 61 of stream frame connects, and impeller 9 is provided with a pair of bearings with the contact position of axle, and axle is provided with for former and later two bearings
Effect is supported.The guide vane 62 of back diversion frame and case weld, have ensured enough bonding strength and rigidity；
Front diversion frame 2 is movable water conservancy diversion frame, and its center housing is hollow cone, and tapering is smooth cambered surface, it is ensured that
Area of passage even variation, flow resistance is little, and six blades are installed on center housing, plays support, guide effect.
In order to mitigate the rotary inertia of the rotary parts such as impeller, impeller housing is thin-walled hollow structure, including impeller fore shell
Body 8, impeller central housing 11 and impeller back casing 10, the two ends of impeller central housing 11 are arranged on the bearing of axle 3, before impeller
One end of housing 8 and one end welding of impeller back casing 10, the other end is welded respectively with the two ends of impeller central housing 11.Impeller
The material of housing is rustless steel, and impeller blade is permeability magnetic material (2Cr13), and blade is connected by screw thread with back casing, it is to avoid
The welding of foreign material provides enough bonding strengths simultaneously, and it is loop configuration (i.e. cylinder that back casing arranges the position of blade
Shape), a diameter of 300mm at excessively stream improves fluid rotating speed in this place, and impeller has 16 blades, at blade central diameter with come
Stream angle is 55 °, and blade is helical blades, and helical angle is 18 °, and the helical blade can make full use of the kinetic energy of fluid to revolve
Turn, in 1m3In the presence of/s fluids, its rotating speed is 390rpm, the signal about 100Hz of electromagnetic induction device output.
In the gathering sill of the insertion housing of guide vane 22 of front diversion frame, as shown in Figures 2 and 3, axial gap is reserved, protected
Card axial shrinkage does not produce stress concentration.Meanwhile, axial gap, impeller and axle have also been reserved between impeller central housing and bearing
Hold gap cooperation.The design of above structure ensure that under normal temperature condition that axially each part connection is fastened, under low temperature state, it is allowed to
Each part to back diversion frame shrinks, while other directions still keep operative constraint.
It is reserved in the wall of the cavity body structures such as front diversion frame side, impeller housing, impeller central, back diversion frame side
Cooling duct, it is ensured that cryogenic media can be entered, accelerates rate of cooling, it is ensured that the inside and outside cooling of cavity is uniform, effectively prevents low temperature
Structural deterioration caused by deformation.
Claims (10)
1. a kind of heavy caliber cryogenic turbo effusion meter, including housing and be sequentially arranged on axle front diversion frame, impeller and after lead
Stream frame, it is characterised in that：The front diversion frame includes front diversion frame housing and front diversion frame blade；The impeller includes impeller housing
Body and impeller blade；The back diversion frame includes back diversion frame housing and back diversion frame blade；
The front diversion frame housing is hollow cone structure, and pyramid is smooth arc surface；The front diversion frame housing and axle
One end connection；The front diversion frame blade is flexibly connected with housing；
The impeller housing is hollow structure；A pair of bearings is provided with the axle, the impeller housing is mounted on bearings；
The back diversion frame housing connects for the other end of hollow structure, the back diversion frame housing and axle；The back diversion frame
Blade and housing are connected.
2. heavy caliber cryogenic turbo effusion meter according to claim 1, it is characterised in that：The housing inner diameter is 590mm,
Housing overall length is 650mm.
3. heavy caliber cryogenic turbo effusion meter according to claim 1 and 2, it is characterised in that：The impeller housing is divided into
Procapsid, center housing and back casing, the two ends of center housing are mounted on bearings；Procapsid and back casing are hollow taper knot
The bottom of structure, procapsid and back casing is welded to each other, and the tapering of procapsid and back casing is welded respectively with the two ends of center housing.
4. heavy caliber cryogenic turbo effusion meter according to claim 3, it is characterised in that：The two ends of the center housing and
There is gap between bearing.
5. heavy caliber cryogenic turbo effusion meter according to claim 3, it is characterised in that：The impeller blade is installed on leaf
On wheel back casing, it is cylindrical shape that impeller back casing installs the position of blade.
6. heavy caliber cryogenic turbo effusion meter according to claim 5, it is characterised in that：Impeller back casing cylindrical portion
A diameter of 300mm.
7. the heavy caliber cryogenic turbo effusion meter according to claim 1 or 2 or 4 or 5 or 6, it is characterised in that：The impeller
Blade is 16, and with come to flow angle be 55 ° at blade central diameter, blade is helical blades, and helical angle is 18 °.
8. the heavy caliber cryogenic turbo effusion meter according to claim 1 or 2 or 4 or 5 or 6, it is characterised in that：The housing
Gathering sill is provided with, in the guide vane insertion gathering sill of the front diversion frame.
9. heavy caliber cryogenic turbo effusion meter according to claim 8, it is characterised in that：The water conservancy diversion leaf of the front diversion frame
There is axial gap between piece and gathering sill.
10. according to the arbitrary described heavy caliber cryogenic turbo effusion meter of claim 1 or 2 or 4 or 5 or 6, it is characterised in that：Institute
State and be provided with Cooling Holes on front diversion frame center housing, impeller housing and back diversion frame center housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050381.5U CN206177378U (en) | 2016-09-12 | 2016-09-12 | Heavy -calibre low temperature turbine flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621050381.5U CN206177378U (en) | 2016-09-12 | 2016-09-12 | Heavy -calibre low temperature turbine flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206177378U true CN206177378U (en) | 2017-05-17 |
Family
ID=58676120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621050381.5U Withdrawn - After Issue CN206177378U (en) | 2016-09-12 | 2016-09-12 | Heavy -calibre low temperature turbine flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206177378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370241A (en) * | 2016-09-12 | 2017-02-01 | 西安航天动力试验技术研究所 | Large-diameter low-temperature turbine flow meter |
-
2016
- 2016-09-12 CN CN201621050381.5U patent/CN206177378U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370241A (en) * | 2016-09-12 | 2017-02-01 | 西安航天动力试验技术研究所 | Large-diameter low-temperature turbine flow meter |
| CN106370241B (en) * | 2016-09-12 | 2023-10-24 | 西安航天动力试验技术研究所 | Large-caliber low-temperature turbine flowmeter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101398319B (en) | High flow rate embedded revolving flowmeter | |
| CN103967686A (en) | Mixed-flow water turbine runner cone capable of reducing pressure fluctuation of exhaust water pipe | |
| CN206177378U (en) | Heavy -calibre low temperature turbine flowmeter | |
| CN203614465U (en) | Baffle mode eddy device of gas compressor and gas compressor | |
| CN202869562U (en) | Machining-type Venturi tube | |
| CN106370241A (en) | Large-diameter low-temperature turbine flow meter | |
| CN206429767U (en) | The corrosion-resistant pipe fitting of Teflon lining | |
| CN208254549U (en) | Gas intelligence worm gear flowmeter | |
| CN208966375U (en) | A kind of helium turbine stators structure | |
| CN105571656B (en) | Hollow shaft type turbine flowmeter | |
| CN209524200U (en) | A kind of adapter tube of air-cooler inlet tube variable diameter used in Melamine Production | |
| CN212615137U (en) | Water outlet base structure of water turbine | |
| CN108627025B (en) | Inlet pipe structure of condensate water tank | |
| CN205479919U (en) | Axialmode metal expansion joint | |
| CN106248155A (en) | Cryogenic turbo effusion meter | |
| CN208804377U (en) | A kind of T-type tee tube | |
| CN207866297U (en) | A kind of intelligent pipeline fluid flow detection equipment | |
| CN208155372U (en) | A kind of high pressure V-arrangement cone throttling set | |
| CN206347249U (en) | A kind of outer pressure axial type expansion joint of the anti-throttling of erosion resistant | |
| CN204388925U (en) | Flow-guiding structure before a kind of gas meter | |
| CN207298198U (en) | It is a kind of to cross ball expansion joint with rifling | |
| CN205426244U (en) | Shaft type turbine flowmeter of cavity | |
| CN204798683U (en) | Fire gun long drive journey spray tube | |
| CN208155389U (en) | Core shell on gas flowmeter | |
| CN207248252U (en) | A kind of Magnetic isolation target type meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170517 Effective date of abandoning: 20231024 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170517 Effective date of abandoning: 20231024 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |