CN220690758U - Salt spray corrosion test equipment for optimizing atmosphere flow field distribution - Google Patents
Salt spray corrosion test equipment for optimizing atmosphere flow field distribution Download PDFInfo
- Publication number
- CN220690758U CN220690758U CN202322126669.2U CN202322126669U CN220690758U CN 220690758 U CN220690758 U CN 220690758U CN 202322126669 U CN202322126669 U CN 202322126669U CN 220690758 U CN220690758 U CN 220690758U
- Authority
- CN
- China
- Prior art keywords
- cover
- salt spray
- distribution
- flow guide
- corrosion test
- 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.)
- Active
Links
- 150000003839 salts Chemical class 0.000 title claims abstract description 52
- 239000007921 spray Substances 0.000 title claims abstract description 42
- 230000007797 corrosion Effects 0.000 title claims abstract description 35
- 238000005260 corrosion Methods 0.000 title claims abstract description 35
- 238000009826 distribution Methods 0.000 title claims abstract description 28
- 230000002093 peripheral effect Effects 0.000 claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- 239000007788 liquid Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 9
- 239000003595 mist Substances 0.000 description 9
- 238000010586 diagram Methods 0.000 description 2
- 239000004519 grease Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
- 230000004580 weight loss Effects 0.000 description 1
Landscapes
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
Abstract
The utility model discloses salt spray corrosion test equipment for optimizing atmosphere flow field distribution, which comprises a vertically arranged flow guide pipe; the top end of the flow guide pipe is sealed by a flow guide cover, and the flow guide cover is rotationally connected with the top end of the flow guide pipe; the inner top wall of the shunt cover is provided with a counter bore; four horizontally arranged air outlet channels are formed in the peripheral wall of the flow distribution cover and are respectively communicated with the counter bores, and the four air outlet channels are uniformly distributed along the peripheral wall of the flow distribution cover in the circumferential direction; and two gas outlet channels which are adjacent along the circumferential direction of the peripheral wall of the split cover are mutually perpendicular. The salt spray corrosion test equipment can realize more uniform salt spray fluid distribution, and improves the reliability and repeatability of salt spray corrosion test results; can overcome the experimental error problem caused by the non-uniform salt spray fluid.
Description
Technical Field
The utility model relates to the field of test equipment, in particular to salt spray corrosion test equipment for optimizing atmosphere flow field distribution.
Background
The salt spray corrosion test box is special equipment for the salt spray corrosion resistance test of the rust-proof grease. As shown in fig. 1, the basic principle of the device is: the brine is atomized by the compressed air, and the salt spray fluid is sprayed out through the draft tube 100. The outlet of the flow guide pipe 100 is provided with a reverse cone 200, and an annular gap is formed between the reverse cone 200 and the flow guide pipe 100 for spraying salt spray fluid. The reverse cone 200 is used for guiding the spraying direction of the salt spray fluid from the vertical direction to the periphery so as to form uniform salt spray on the periphery and settle on the surface of the corrosion test piece. After a certain time of test, the corrosion test piece is corroded, and the salt fog corrosion resistance of the rust-proof grease is evaluated through the corrosion severity, the weight loss of the test piece and the like. Relevant standards are "rust inhibitive oil and fat salt spray test method (SHT 0081-1991)," Standard Practice for Operating Salt Spray (Fog) Apparatus "(ASTM B117), etc.
The setting mode of the inverted cone 200 of the salt spray corrosion experimental box commonly used in the market at present is not reasonable, as shown in fig. 1, the inverted cone 200 is fixed on the outer surface of the flow guide pipe 100 by using the supporting ring 300 and the two upright posts 400 (the supporting ring 300 is fixedly connected with the outer surface of the flow guide pipe 100 through the fastening screw 500), the salt spray is shielded in the direction of the upright posts 400 due to the two upright posts 400, and the perpendicularity of the cone cannot be adjusted by the setting scheme, so that the processing precision of the system is highly required. Meanwhile, the arrangement mode is easy to cause the phenomenon of uneven distribution of salt mist in the box body of the test equipment, and obvious test errors are caused.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides salt spray corrosion test equipment for optimizing the distribution of an atmosphere flow field, which comprises a vertically arranged guide pipe, wherein the guide pipe is a circular pipe; the top end of the flow guide pipe is sealed by a flow guide cover, the whole flow guide cover is cylindrical, the flow guide cover and the flow guide pipe are coaxial, the top of the flow guide cover is sealed, the bottom of the flow guide cover is open, the flow guide cover covers the top end of the flow guide pipe, and the flow guide cover is rotationally connected with the top end of the flow guide pipe; the inner top wall of the diversion cover is provided with a counter bore, the inner diameter of the counter bore is smaller than that of the diversion pipe, and the counter bore is communicated with the inner cavity of the diversion pipe; four horizontally arranged air outlet channels are formed in the peripheral wall of the flow distribution cover and are respectively communicated with the counter bores, and the four air outlet channels are uniformly distributed along the peripheral wall of the flow distribution cover in the circumferential direction; and two gas outlet channels which are adjacent along the circumferential direction of the peripheral wall of the split cover are mutually perpendicular.
Preferably, the counter bore is coaxial with the shunt cover.
Preferably, the four gas outlet channels are located in the same horizontal plane.
Preferably, the cross sections of the four air outlet channels are all rectangular; the cross-sectional areas of the four outlet channels are the same.
Preferably, the thickness of the tube wall of the flow guide tube is gradually increased from bottom to top (i.e. the top of the flow guide tube is thick and the lower part of the flow guide tube is thin).
Preferably, the diversion cover is rotationally connected with the top end of the diversion pipe through a circle of balls, and the circle of balls are uniformly distributed along the circumferential direction of the diversion pipe; the end face of the top end of the guide pipe is provided with a horizontally arranged lower annular ball groove for accommodating the lower part of the ring of balls, and the lower annular ball groove and the guide pipe are coaxial; the inner top wall of the split cover is provided with a horizontally arranged upper annular ball groove for accommodating the upper part of the ring of balls, and the upper annular ball groove and the split cover are coaxial; the ring of balls are mounted in the lower annular ball groove and the upper annular ball groove.
Preferably, the ring of balls is also mounted in the same flat cage, and the cage is located between the lower annular ball groove and the upper annular ball groove.
Preferably, the upper annular ball groove and the lower annular ball groove are symmetrically arranged.
Preferably, the ball is a ceramic ball.
Preferably, the peripheral wall of the flow guide pipe is also provided with a horizontally arranged annular water seal groove, and water is stored in the water seal groove; the bottom of the split cover stretches into the water seal groove, and the bottom of the split cover is positioned below the liquid level of the water seal groove.
The utility model has the advantages and beneficial effects that: the salt spray corrosion test equipment for optimizing the distribution of the atmosphere flow field can realize more uniform distribution of salt spray fluid, and improves the reliability and repeatability of salt spray corrosion test results; can overcome the experimental error problem caused by the non-uniform salt spray fluid.
Drawings
FIG. 1 is a schematic diagram of the prior art;
FIG. 2 is a schematic illustration of the present utility model;
FIG. 3 is a schematic view of a diverter housing;
FIG. 4 is a schematic distribution diagram of a salt spray corrosion test piece.
Description of the embodiments
The following describes the embodiments of the present utility model further with reference to the drawings and examples. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
The technical scheme of the utility model is as follows:
as shown in fig. 2 to 4, a salt spray corrosion test device for optimizing the distribution of an atmosphere flow field comprises a vertically arranged guide pipe 1, wherein the guide pipe 1 is a circular pipe; the top end of the flow guide pipe 1 is sealed by a flow guide cover 2, the flow guide cover 2 is integrally cylindrical, the flow guide cover 2 and the flow guide pipe 1 share the same axis, the top of the flow guide cover 2 is sealed, the bottom of the flow guide cover 2 is open, the flow guide cover 2 covers the top end of the flow guide pipe 1, and the flow guide cover 2 is rotationally connected with the top end of the flow guide pipe 1; the inner top wall of the diversion cover 2 is provided with a counter bore 21, the counter bore 21 and the diversion cover 2 are coaxial, the inner diameter of the counter bore 21 is smaller than the inner diameter of the diversion pipe 1, and the counter bore 21 is communicated with the inner cavity of the diversion pipe 1; four horizontally arranged air outlet channels 22 are formed in the peripheral wall of the split flow cover 2, the four air outlet channels 22 are respectively communicated with the counter bores 21, the four air outlet channels 22 are uniformly distributed along the peripheral wall of the split flow cover 2 in the circumferential direction, and the four air outlet channels 22 are positioned on the same horizontal plane; and two gas outlet channels 22 circumferentially adjacent along the peripheral wall of the flow dividing cover 2, which are mutually perpendicular; the four outlet channels 22 are all rectangular in cross section; the cross-sectional areas of the four outlet channels 22 are the same;
the diversion cover 2 is rotationally connected with the top end of the diversion pipe 1 through a circle of balls 3, and the circle of balls 3 are uniformly distributed along the circumferential direction of the diversion pipe 1; the ball 3 is a ceramic ball; the end face of the top end of the flow guide pipe 1 is provided with a horizontally arranged lower annular ball groove 31 for accommodating the lower part of the ring of balls 3, and the lower annular ball groove 31 and the flow guide pipe 1 are coaxial; the inner top wall of the split cover 2 is provided with a horizontally arranged upper annular ball groove 32 for accommodating the upper part of the ring of balls 3, and the upper annular ball groove 32 is coaxial with the split cover 2; the upper annular ball groove 32 and the lower annular ball groove 31 are symmetrically arranged; the ring of balls 3 are mounted in the lower annular ball groove 31 and the upper annular ball groove 32; the ring of balls 3 is also mounted in the same flat cage, with the cage between the lower annular ball groove 31 and the upper annular ball groove 32 (the cage is not shown in fig. 2);
the periphery wall of the flow guide pipe 1 is also provided with a horizontally arranged annular water seal groove 4, and water 5 is stored in the water seal groove 4; the bottom end of the diversion cover 2 stretches into the water seal groove 4, and the bottom end of the diversion cover 2 is positioned below the liquid level of the water seal groove 4.
In addition, the wall thickness of the flow guiding pipe 1 can be gradually thickened from bottom to top (namely, the light structure that the top of the flow guiding pipe 1 is thick and the lower part is thin).
A circle of salt spray corrosion test pieces 6 are arranged on the periphery of the diversion cover 2, so that the circle of salt spray corrosion test pieces 6 and the four air outlet channels 22 of the diversion cover 2 are positioned at the same height, the circle of salt spray corrosion test pieces 6 are uniformly distributed along the circumferential direction of the diversion cover 2, and the circle of salt spray corrosion test pieces 6 face the diversion cover 2;
salt mist and compressed air are led in from the bottom end of the flow guide pipe 1, the compressed air and the salt mist enter the counter bore 21 of the flow guide pipe 1 and are sprayed out from the four air outlet channels 22 of the flow guide pipe 2, and the sprayed compressed air and the sprayed salt mist can be applied to the salt mist corrosion test piece 6;
the sprayed compressed air and salt mist can push the diversion cover 2 to rotate (a circle of balls 3 can support the diversion cover 2 to rotate), so that the four air outlet channels 22 rotate along with the diversion cover 2, the rotating four air outlet channels 22 can enable the salt mist corrosion intensity of each test piece 6 to be consistent, and the problem of nonuniform salt mist distribution in the existing equipment is avoided.
The bottom end of the diversion cover 2 extends into the water seal groove 4, and the bottom end of the diversion cover 2 is positioned below the liquid level of the water seal groove 4; the effect of this arrangement is to seal and prevent salt mist from leaking from the gap between the bottom end of the diversion cover 2 and the outer peripheral wall of the diversion pipe 1.
From the above, the salt spray corrosion test equipment can realize more uniform salt spray fluid distribution, and improve the reliability and repeatability of salt spray corrosion test results; can overcome the experimental error problem caused by the non-uniform salt spray fluid.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (10)
1. The salt spray corrosion test equipment for optimizing the distribution of the atmosphere flow field is characterized by comprising a vertically arranged flow guide pipe; the top end of the flow guide pipe is sealed by a flow guide cover, and the flow guide cover is rotationally connected with the top end of the flow guide pipe; the inner top wall of the shunt cover is provided with a counter bore; four horizontally arranged air outlet channels are formed in the peripheral wall of the flow distribution cover and are respectively communicated with the counter bores, and the four air outlet channels are uniformly distributed along the peripheral wall of the flow distribution cover in the circumferential direction; and two gas outlet channels which are adjacent along the circumferential direction of the peripheral wall of the split cover are mutually perpendicular.
2. The salt spray corrosion test apparatus for optimizing distribution of an atmosphere flow field of claim 1, wherein the counterbore is concentric with the split shroud.
3. The salt spray corrosion test apparatus for optimizing distribution of an atmosphere flow field according to claim 1, wherein the four gas outlet channels are located in the same horizontal plane.
4. The salt spray corrosion test apparatus for optimizing distribution of an atmosphere flow field according to claim 1, wherein the cross sections of the four gas outlet channels are all rectangular.
5. The salt spray corrosion test device for optimizing distribution of an atmosphere flow field according to claim 1, wherein the thickness of the tube wall of the flow guide tube is gradually thickened from bottom to top.
6. The salt spray corrosion test device for optimizing the distribution of an atmosphere flow field according to claim 1, wherein the diversion cover is rotationally connected with the top end of the diversion pipe through a circle of balls, and the circle of balls are uniformly distributed along the circumferential direction of the diversion pipe; the end face of the top end of the flow guide pipe is provided with a horizontally arranged lower annular ball groove for accommodating the lower part of the ring of balls, and the inner top wall of the flow distribution cover is provided with a horizontally arranged upper annular ball groove for accommodating the upper part of the ring of balls; the ring of balls are mounted in the lower annular ball groove and the upper annular ball groove.
7. The apparatus of claim 6, wherein the ring of balls is further mounted in a single flat cage, and the cage is positioned between the lower annular ball groove and the upper annular ball groove.
8. The salt spray corrosion test apparatus for optimizing distribution of an atmosphere flow field according to claim 6, wherein the upper annular ball groove and the lower annular ball groove are symmetrically arranged.
9. The salt spray corrosion test apparatus for optimizing the distribution of an atmosphere flow field according to claim 6, wherein the ball is a ceramic ball.
10. The salt spray corrosion test device for optimizing the distribution of an atmosphere flow field according to claim 1, wherein the outer peripheral wall of the flow guide pipe is further provided with a horizontally arranged annular water seal groove, and water is stored in the water seal groove; the bottom of the split cover stretches into the water seal groove, and the bottom of the split cover is positioned below the liquid level of the water seal groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322126669.2U CN220690758U (en) | 2023-08-09 | 2023-08-09 | Salt spray corrosion test equipment for optimizing atmosphere flow field distribution |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322126669.2U CN220690758U (en) | 2023-08-09 | 2023-08-09 | Salt spray corrosion test equipment for optimizing atmosphere flow field distribution |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220690758U true CN220690758U (en) | 2024-03-29 |
Family
ID=90408635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322126669.2U Active CN220690758U (en) | 2023-08-09 | 2023-08-09 | Salt spray corrosion test equipment for optimizing atmosphere flow field distribution |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220690758U (en) |
-
2023
- 2023-08-09 CN CN202322126669.2U patent/CN220690758U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220690758U (en) | Salt spray corrosion test equipment for optimizing atmosphere flow field distribution | |
| CN108031261A (en) | A kind of gas sweetening spray column | |
| CN212119457U (en) | Spiral airflow spray tower | |
| CN211179466U (en) | Neutral salt fog resistant tester | |
| CN220602669U (en) | Anti-blocking system of magnetic overturning liquid level meter convenient to install | |
| CN206192693U (en) | Sampling device and contain this sampling device's reaction vessel | |
| CN205008759U (en) | Optic fibre laser beam machining cooling device | |
| CN212510067U (en) | Supporting device for ultrasonic detection of inner surface of pipeline | |
| CN211423461U (en) | Ozone leak protection gas water seal arrangement | |
| CN219384917U (en) | Double-nozzle rotational flow aeration device with optimized structure | |
| CN208990456U (en) | It is a kind of suitable for sour gas, the front end washing spray device of dust atmosphere | |
| CN114849284A (en) | Defoaming method for spraying device | |
| CN110081956B (en) | Variable viscosity lubricating oil micro-flow standard device | |
| CN111998167A (en) | Supporting device for ultrasonic detection of inner surface of pipeline | |
| CN215542102U (en) | Inside rust-resistant paint spraying device of path pipeline | |
| CN219880719U (en) | Differential pressure flange liquid level meter spiral flushing device | |
| CN205667912U (en) | A kind of three-dimensional auto-rotating spray head cleaned for liquid chemical groove tank car | |
| CN218842724U (en) | Device for marking steel wire rope straight line | |
| CN205036638U (en) | Main circulating sodium pump hydrostatic bearing test pump | |
| CN221714615U (en) | Atomizing outlet structure of atomizer | |
| CN208833265U (en) | A kind of mounting structure of industrial instrument | |
| CN205136163U (en) | Electromagnetic heating high vacuum oil diffusion pump | |
| CN212309902U (en) | Novel rotary cleaning spray head | |
| CN202974027U (en) | Stainless water distribution device of water-circulation cooling tower | |
| CN219519299U (en) | Omnibearing cylinder sleeve spraying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |