CN106861966B - Salt spray aerosol spraying device - Google Patents
Salt spray aerosol spraying device Download PDFInfo
- Publication number
- CN106861966B CN106861966B CN201510908822.4A CN201510908822A CN106861966B CN 106861966 B CN106861966 B CN 106861966B CN 201510908822 A CN201510908822 A CN 201510908822A CN 106861966 B CN106861966 B CN 106861966B
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- Prior art keywords
- unit
- salt
- spraying
- storage unit
- liquid storage
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/004—Arrangements for controlling delivery; Arrangements for controlling the spray area comprising sensors for monitoring the delivery, e.g. by displaying the sensed value or generating an alarm
- B05B12/006—Pressure or flow rate sensors
- B05B12/008—Pressure or flow rate sensors integrated in or attached to a discharge apparatus, e.g. a spray gun
Abstract
A salt spray aerosol spraying device comprises a box body part and a spraying unit, wherein the box body part comprises a salt liquid storage unit, and a pump, a valve and a pipeline of a pump-valve conveying unit connect the salt liquid storage unit with a double-flow spraying unit of the spraying unit; the pump station connects the salt solution storage unit with the spraying unit and the single-fluid spraying unit from another channel; according to the invention, the spray amount and the salt spray concentration can be adjusted by adjusting the parameters of the air pressure and the water pump, so that the salt spray concentration requirements of different equipment can be met.
Description
Background
In the development and research process of marine equipment, because of the special working environment, the marine salt spray environment needs to be simulated in a laboratory, and systematic, deep test and evaluation are carried out on various indexes of the equipment such as applicability, service life and the like, so that powerful guarantee is provided for researching and developing novel marine equipment. In the marine salt spray environment simulation process, seawater or artificial seawater is mainly atomized into a salt spray aerosol form, so that the surrounding environment and the marine environment have similar air salt concentration.
The existing instrument for simulating the ocean salt fog environment inspection equipment in the market mainly comprises a salt fog test box and an ultrasonic atomizer. Although mature, this equipment has the following disadvantages: (1) the salt spray concentration adjustment range is narrow, the salt spray amount is small, and the requirements of application environments of different marine equipment are difficult to meet, for example, the salt content of air around a surface ship is 4.2ppm, and the salt content of air around a hovercraft can reach 70ppm or even 100 ppm. (2) The size limit is large, the salt spray test box can only test the equipment arranged inside, and the requirements for larger equipment and large-scale tests are difficult to meet.
In order to meet the research and development requirements of modern ship equipment, a salt spray aerosol spraying device needs to be developed urgently to meet the requirements of large-scale equipment and experimental marine environment salt spray tests. After market research and literature inquiry, no equipment for producing the steel plate or all literature reports exist at present.
Disclosure of Invention
The invention aims to provide a salt spray aerosol spraying device, which utilizes high-pressure air or a pump station to enable seawater solution to respectively pass through a pneumatic atomizing nozzle and a single-fluid nozzle, cut into smaller salt spray aerosol particles and spray the smaller salt spray aerosol particles out, so that salt spray environments with different concentrations are simulated.
A salt spray aerosol spraying device comprises a box body part and a spraying unit, wherein the box body part comprises a salt liquid storage unit, and a pump, a valve and a pipeline of a pump-valve conveying unit connect the salt liquid storage unit with a double-flow spraying unit of the spraying unit; the pump station connects the salt solution storage unit with the single-fluid spraying unit of the spraying unit from another pipeline; and the gas unit is provided with pressure sensors at the outlets of the salt liquid storage unit and the cleaning liquid storage unit and at the inlets of the double-flow spraying unit and the single-flow spraying unit, the gas unit transmits the readings of the pressure sensors to the electric control unit, and the electric control unit monitors and controls the pressure and the trend of the compressed air input into the salt liquid storage unit and the cleaning liquid storage unit through a pressure gauge, a pressure switch, a pressure regulating valve, an electromagnetic valve and a one-way valve element of the gas unit.
The spraying unit of the invention connects the salt solution storage unit to the double-flow spraying unit or the single-fluid spraying unit through the control of the electric control unit.
Drawings
FIG. 1 is a schematic view of the structure of a liquid and gas pipeline according to the present invention;
FIG. 2 is a schematic view of the structure of the gas cell of the present invention;
FIG. 3 is a schematic diagram of the structure of the spraying unit of the present invention;
FIG. 4 is a schematic diagram of the electrical control unit of the present invention.
The invention has the following effects:
1. according to the invention, the spray amount and the salt spray concentration can be adjusted by adjusting the parameters of the air pressure and the water pump, so that the salt spray concentration requirements of different equipment are met;
2. the spraying unit is designed to be an independent structure, and can meet the environmental test requirements of marine equipment with different sizes by being provided with spraying units with different sizes and nozzles with different numbers;
3. the programmable logic controller is adopted to realize the semi-automatic and manual control of the whole set of equipment, so that the labor is saved, and the test efficiency is improved.
Detailed Description
A salt spray aerosol spraying device comprises a box body part and a spraying unit, wherein the box body part comprises a salt liquid storage unit, and a pump, a valve and a pipeline of a pump-valve conveying unit connect the salt liquid storage unit with a double-flow spraying unit of the spraying unit; the pump station connects the salt solution storage unit with the spraying unit and the single-fluid spraying unit from another channel; and the gas unit is provided with pressure sensors at the outlets of the salt liquid storage unit and the cleaning liquid storage unit and at the inlets of the double-flow spraying unit and the single-flow spraying unit, the gas unit transmits the readings of the pressure sensors to the electric control unit, and the electric control unit monitors and controls the pressure and the trend of the compressed air input into the salt liquid storage unit and the cleaning liquid storage unit by calculating a pressure gauge, a pressure switch, a pressure regulating valve, an electromagnetic valve and a one-way valve element of the gas unit.
The spraying unit of the invention connects the salt solution storage unit to the double-flow spraying unit or the single-fluid spraying unit through the control of the electric control unit.
The whole system has higher integration level, and can realize the functions of salt spray aerosol spraying, parameter monitoring, pipeline cleaning and the like through the control unit.
The product composition block diagram is shown in figure 1.
The salt spray aerosol spraying system consists of a salt solution storage unit, a cleaning solution storage unit, a pump valve conveying unit, a gas unit, an electric control unit and a spraying unit.
The salt solution storage unit, the cleaning solution storage unit and the gas unit are mutually independent units and are connected with the spraying unit through the pump valve conveying unit, so that target solution is sprayed out of the spraying unit under the action of compressed air or a pump station, and the control of components of the whole system is integrated into the electric control unit to realize the state monitoring and the program operation of the system.
2.1 salt solution storage Unit
The salt solution storage unit mainly comprises a salt solution storage tank, an inlet valve, a pipe fitting, a liquid level detection switch, an outlet manual ball valve and a salt solution outlet electromagnetic valve.
The salt solution storage tank can be used as a pressure tank, the water is pressurized by compressed air under the condition that the water pump does not participate, and the salt solution storage tank is used as a salt water source to provide stable water supply for the water pump. The liquid storage tank is provided with a salt liquid low liquid level detection switch, and when the water level is too low, the control system can give an alarm for prompting.
2.2 cleaning liquid storage Unit
Because the crystal particles separated out from the salt solution can block the nozzle and the pipeline, the invention is specially provided with the cleaning solution storage unit, and the clean water stored in the cleaning solution storage tank is sprayed out along the pipeline to clean the internal pipeline, thereby improving the reliability of the whole system.
2.3 Pump valve delivery Unit
The unit mainly comprises a booster pump, a valve piece and a pipe fitting, and salt mist aerosol particles of the single-fluid nozzle are generated by arranging the direction.
2.4 gas cell
The equipment does not produce compressed air and needs to be additionally provided. The gas unit mainly monitors and controls the pressure and the trend of the compressed air through elements such as a pressure gauge, a pressure switch, a pressure regulating valve, an electromagnetic valve, a one-way valve and the like.
2.5 electric control Unit
All components of the electric control unit are integrated in a control box, and the control box is installed on a pump station. The system is controlled by a PLC, salt spray test spray control software is arranged in the system, a touch screen is configured in the system, and a user completes the setting, monitoring, operation and the like of the system through the touch screen.
2.6 spray Unit
The spraying unit mainly comprises two double-fluid spraying rods and two single-fluid spraying rods, and four nozzles are uniformly distributed on each spraying rod. The double-fluid spray rod atomizes the salt solution into small-particle-size liquid drops through compressed air, and the single-fluid spray rod is suitable for atomizing the salt solution into small-particle-size liquid drops through the booster pump.
Example 1
After power up, the electrical control unit displays the system main interface, as shown in fig. 2.
Through the mode selection interface, two operation modes can be selected, wherein one operation mode is a manual operation mode, and the other operation mode is a semi-automatic operation mode.
Clicking a 'semi-automatic interface' button to enter a semi-automatic operation interface, wherein the interface is as shown in the attached figure 3:
(Note: in this system, the two-fluid spray, the single-fluid spray, and the pump circuit cleaning are started and stopped separately and are not related to each other, so they are called semi-automatic.)
In the semi-automatic picture, there are three groups of operation buttons, which respectively start and stop the working processes of two-fluid spraying, single-fluid spraying and pump loop cleaning. When the device enters the corresponding working process, the characters of 'double-flow spraying' or 'single-flow spraying' or 'pump loop cleaning' are respectively displayed below the top row of the picture.
Example 2
Through a mode selection interface, a manual operation mode is selected, and a manual operation interface is entered, wherein the interface is as shown in fig. 4:
if a single fluid spray operation is performed, the following pumps, valves are opened in sequence:
1) a salt solution outlet electromagnetic valve L1-S2;
2) a front pump electromagnetic valve L2-S1;
3) and a booster pump L2-P1.
If a two-fluid spraying operation is performed, the following pumps and valves are opened in sequence:
1) a salt solution pressurization gas electromagnetic valve A2-S2;
2) a salt solution outlet electromagnetic valve L1-S2;
3) pump bypass solenoid valve L2-S2
4) Two-fluid nozzle gas atomization solenoid valves A2-S1.
If the pump loop cleaning operation is carried out, the following pumps and valves are opened in sequence:
1) a cleaning liquid outlet solenoid valve L1-S1; (ii) a
2) A front pump electromagnetic valve L2-S1;
3) and a booster pump L2-P1.
Claims (2)
1. A salt spray aerosol spraying device comprises a box body part and a spraying unit, wherein the box body part comprises a salt liquid storage unit, and a pump, a valve and a pipeline of a pump-valve conveying unit connect the salt liquid storage unit with a double-flow spraying unit of the spraying unit; the pump station connects the salt solution storage unit with the single-fluid spraying unit of the spraying unit from another pipeline; and the gas unit is provided with pressure sensors at the outlets of the salt liquid storage unit and the cleaning liquid storage unit and at the inlets of the double-flow spraying unit and the single-flow spraying unit, the gas unit transmits the readings of the pressure sensors to the electric control unit, and the electric control unit monitors and controls the pressure and the trend of the compressed air input into the salt liquid storage unit and the cleaning liquid storage unit through a pressure gauge, a pressure switch, a pressure regulating valve, an electromagnetic valve and a one-way valve element of the gas unit.
2. The salt spray aerosol spray device of claim 1, wherein the spray unit is controlled by the electrical control unit to connect the salt solution storage unit to the dual-flow spray unit or the single-fluid spray unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908822.4A CN106861966B (en) | 2015-12-10 | 2015-12-10 | Salt spray aerosol spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510908822.4A CN106861966B (en) | 2015-12-10 | 2015-12-10 | Salt spray aerosol spraying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106861966A CN106861966A (en) | 2017-06-20 |
| CN106861966B true CN106861966B (en) | 2020-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510908822.4A Active CN106861966B (en) | 2015-12-10 | 2015-12-10 | Salt spray aerosol spraying device |
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| CN (1) | CN106861966B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111948112A (en) * | 2020-08-10 | 2020-11-17 | 盐城新海川机电科技有限公司 | Penetrating fluid constant-pressure quantitative supply method and device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1260032A1 (en) * | 1984-08-28 | 1986-09-30 | Предприятие П/Я А-1080 | Apparatus for applying two-component materials |
| DE10010249A1 (en) * | 2000-03-02 | 2001-09-06 | Volkswagen Ag | Spraying system used for a salt test track for corrosion testing automobile prototypes contains a feed line for the liquid to be sprayed connected to spraying nozzles |
| CN101806709A (en) * | 2009-02-17 | 2010-08-18 | 总装备部工程设计研究总院 | Large-scale full-state compound type salt fog environment simulation test method |
| CN101806705A (en) * | 2009-02-17 | 2010-08-18 | 总装备部工程设计研究总院 | Small modular spraying device |
| CN202869944U (en) * | 2012-10-12 | 2013-04-10 | 广州赛宝仪器设备有限公司 | Spraying device of composite salt fog test chamber |
| CN203076120U (en) * | 2012-12-27 | 2013-07-24 | 河南恒美铝业有限公司 | High-pressure salt spraying device |
| CN104998778A (en) * | 2015-07-10 | 2015-10-28 | 上海明航空气净化技术有限公司 | Intelligent variable process spray system |
-
2015
- 2015-12-10 CN CN201510908822.4A patent/CN106861966B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1260032A1 (en) * | 1984-08-28 | 1986-09-30 | Предприятие П/Я А-1080 | Apparatus for applying two-component materials |
| DE10010249A1 (en) * | 2000-03-02 | 2001-09-06 | Volkswagen Ag | Spraying system used for a salt test track for corrosion testing automobile prototypes contains a feed line for the liquid to be sprayed connected to spraying nozzles |
| CN101806709A (en) * | 2009-02-17 | 2010-08-18 | 总装备部工程设计研究总院 | Large-scale full-state compound type salt fog environment simulation test method |
| CN101806705A (en) * | 2009-02-17 | 2010-08-18 | 总装备部工程设计研究总院 | Small modular spraying device |
| CN202869944U (en) * | 2012-10-12 | 2013-04-10 | 广州赛宝仪器设备有限公司 | Spraying device of composite salt fog test chamber |
| CN203076120U (en) * | 2012-12-27 | 2013-07-24 | 河南恒美铝业有限公司 | High-pressure salt spraying device |
| CN104998778A (en) * | 2015-07-10 | 2015-10-28 | 上海明航空气净化技术有限公司 | Intelligent variable process spray system |
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| Publication number | Publication date |
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| CN106861966A (en) | 2017-06-20 |
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