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The importance of polyurethane sponge deodorant to corrosion protection in ship construction: durable protection in marine environments

3月 1st, 2025 News

The importance of polyurethane sponge deodorant to corrosion protection in ship construction: durable protection in marine environment

Introduction

As an important tool for marine transportation and operations, ships have been exposed to harsh marine environments for a long time and face severe corrosion challenges. Factors such as high salinity, high humidity, strong ultraviolet radiation and microbial erosion in the marine environment will accelerate the corrosion process of ship materials. Therefore, how to effectively prevent ship corrosion and extend its service life has become a key issue in ship construction and maintenance. As a new anti-corrosion material, polyurethane sponge deodorant plays an increasingly important role in ship construction with its unique performance and advantages. This article will discuss in detail the importance of polyurethane sponge deodorant to corrosion in ship construction, especially the lasting protection effect of marine environments.

1. The impact of marine environment on ship corrosion

1.1 High salinity environment

The salt content in the marine environment is extremely high, especially the chloride ions in seawater are very corrosive. Chloride ions can penetrate the oxide film on the metal surface and react directly with the metal, resulting in rapid corrosion of the metal. When a ship is immersed in seawater for a long time, its metal structure will inevitably be eroded by chloride ions, thereby accelerating the corrosion process.

1.2 High humidity environment

The humidity in the marine environment is extremely high, especially in tropical and subtropical waters, where the humidity remains above 80% year-on-year. The high humidity environment provides sufficient moisture for metal corrosion, making it easy for the metal surface to form an electrolyte film, accelerating the occurrence of electrochemical corrosion. In addition, high humidity environments can easily lead to condensation on the metal surface, further aggravating corrosion.

1.3 Strong UV radiation

The intensity of ultraviolet radiation in the marine environment is much higher than that in the land environment, especially in the waters near the equator. Ultraviolet radiation can destroy the molecular structure of organic materials, causing the material to age and embrittle, thereby reducing its corrosion resistance. The coatings and sealing materials on the surface of the ship are prone to aging under strong ultraviolet radiation, losing their protective effect, and thus accelerating metal corrosion.

1.4 Microbial erosion

There are a large number of microorganisms in the marine environment, such as bacteria, fungi and algae. These microorganisms are able to form biofilms on the surface of ships, secrete acidic substances, and corrode metal surfaces. In addition, microorganisms can also decompose organic materials, destroy the anti-corrosion coating of ships, and further aggravate corrosion.

2. Characteristics and advantages of polyurethane sponge deodorant

2.1 Basic characteristics of polyurethane sponge deodorant

Polyurethane sponge deodorant is a porous material based on polyurethane, with the following basic characteristics:

  • High porosity: The porosity of polyurethane sponge deodorant is as high as more than 90%, which can effectively absorbStoring the deodorant to extend its action time.
  • Good elasticity: Polyurethane sponge deodorant has good elasticity and can adapt to irregular shapes on the surface of the ship to ensure even distribution of the deodorant.
  • Chemical corrosion resistance: Polyurethane sponge deodorant has good chemical corrosion resistance and can work stably in a high salinity and high humidity marine environment for a long time.
  • Ultraviolet radiation resistance: Polyurethane sponge deodorant has good UV radiation resistance and can maintain stable physical and chemical properties under strong UV environments.

2.2 Anti-corrosion advantages of polyurethane sponge deodorant

Polyurethane sponge deodorant has the following advantages in ship corrosion prevention:

  • Long-effect protection: Polyurethane sponge deodorant can continuously release the deodorant, form a stable protective film, and effectively prevent metal corrosion.
  • Evening distribution: The porous structure of polyurethane sponge deodorant can ensure that the deodorant is evenly distributed on the surface of the ship and avoid local corrosion.
  • Strong adaptability: Polyurethane sponge deodorant can adapt to irregular shapes on the surface of the ship and ensure anti-corrosion effect.
  • Environmental and Safety: Polyurethane sponge deodorant is made of environmentally friendly materials, which is harmless to the human body and the environment, and meets the environmental protection requirements of ship construction.

III. Application of polyurethane sponge deodorant in ship construction

3.1 Anti-corrosion of ship shells

The ship’s shell is a key part of ship’s corrosion protection. It is exposed to the marine environment for a long time and is susceptible to high salinity, high humidity and strong ultraviolet radiation. Polyurethane sponge deodorant can be evenly distributed on the surface of the ship’s shell, forming a stable protective film, effectively preventing metal corrosion. In addition, polyurethane sponge deodorant can also adsorb and store deodorant, extending its action time and ensuring the long-term anti-corrosion effect of the ship’s shell.

3.2 Anti-corrosion inside the ship

Although the inside of the ship is not directly exposed to the marine environment, it will still be affected by high humidity and microbial erosion. Polyurethane sponge deodorant can effectively adsorb and store deodorant, preventing corrosion of the metal structure inside the ship. In addition, polyurethane sponge deodorant can also inhibit the growth of microorganisms, prevent the formation of biofilms, and further protect the internal structure of the ship.

3.3 Anti-corrosion of marine equipment

Marine equipment is a key component for the normal operation of the ship. It is exposed to the marine environment for a long time and is susceptible to corrosion. PolyurethaneThe sponge deodorant can be evenly distributed on the surface of the equipment to form a stable protective film, effectively preventing equipment corrosion. In addition, polyurethane sponge deodorant can also adsorb and store deodorant, extending its action time and ensuring the long-term anti-corrosion effect of the equipment.

IV. Performance parameters of polyurethane sponge deodorant

To better understand the performance of polyurethane sponge deodorant, the following table lists its main performance parameters:

parameter name parameter value Instructions
Porosity ?90% High porosity ensures adsorption and storage effect of deodorants
Elastic Modulus 0.5-1.5 MPa Good elasticity ensures adaptation to irregular shapes on the surface of the ship
Chemical corrosion resistance Excellent Fast and stable work in high salinity and high humidity environment
Ultraviolet radiation resistance Excellent Maintain stable physical and chemical properties under strong UV environment
Environmental Performance Complied with environmental protection standards It is harmless to the human body and the environment, and meets the environmental protection requirements for ship construction

V. Construction technology of polyurethane sponge deodorant

5.1 Surface treatment

Before construction, the surface of the ship needs to be thoroughly cleaned to remove oil stains, rust and old coatings from the surface to ensure that the polyurethane sponge deodorant can firmly adhere to the surface of the ship.

5.2 Deodorant coating

The polyurethane sponge deodorant is evenly applied to the ship’s surface to ensure that the deodorant can be evenly distributed on the ship’s surface to form a stable protective film.

5.3 Curing treatment

After the coating is completed, curing treatment is required to ensure that the polyurethane sponge deodorant can firmly adhere to the surface of the ship and form a stable protective film.

5.4 Quality Inspection

After the construction is completed, quality inspection is required to ensure that the polyurethane sponge deodorant is coated evenly, the protective film is complete, and the corrosion resistance is good.

VI. Analysis of the economic benefits of polyurethane sponge deodorant

6.1 Extend the service life of the ship

Polyurethane sponge deodorant can effectively prevent ship corrosion and prolong ship’s powerLifespan, reducing the cost of repair and replacement of ships.

6.2 Reduce maintenance costs

Polyurethane sponge deodorant can continuously release the deodorant, form a stable protective film, and reduce the frequency and cost of the ship’s maintenance.

6.3 Improve ship operation efficiency

Polyurethane sponge deodorant can effectively prevent ship corrosion, ensure the normal operation of ship equipment, and improve the operational efficiency of ships.

7. Future development of polyurethane sponge deodorant

7.1 Technological Innovation

With the continuous advancement of technology, the performance of polyurethane sponge deodorant will continue to improve, and more efficient and environmentally friendly polyurethane sponge deodorant may appear in the future.

7.2 Application Area Expansion

Polyurethane sponge deodorant not only has important applications in ship construction, but may also expand to other fields in the future, such as marine engineering, petrochemical industry, etc.

7.3 Improvement of environmental protection requirements

With the continuous improvement of environmental protection requirements, the environmental performance of polyurethane sponge deodorant will be further optimized, and more environmentally friendly polyurethane sponge deodorant may appear in the future.

Conclusion

Polyurethane sponge deodorant, as a new type of anti-corrosion material, plays an increasingly important role in ship construction. Its unique performance and advantages enable it to provide long-lasting corrosion protection for ships in marine environments with high salinity, high humidity, strong UV radiation and microbial erosion. Through reasonable construction technology and quality inspection, polyurethane sponge deodorant can effectively extend the service life of the ship, reduce maintenance costs, and improve the operational efficiency of the ship. With the continuous advancement of technology and the improvement of environmental protection requirements, the application prospects of polyurethane sponge deodorants will be broader, providing more reliable anti-corrosion solutions for ship construction and marine engineering.

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Advantages of polyurethane sponge deodorant applied to solar panel frames: a new way to improve energy conversion efficiency

3月 1st, 2025 News

The advantages of polyurethane sponge deodorant applied to solar panel frames: a new way to improve energy conversion efficiency

Introduction

With the growing global energy demand and the increasing environmental problems, solar energy, as a clean and renewable energy source, has attracted widespread attention. As the core component of solar power generation system, solar panels directly affect the energy conversion efficiency of the entire system. In recent years, with the advancement of materials science, polyurethane sponge deodorant, as a new material, has been introduced into the manufacturing of solar panel frames, providing a new way to improve energy conversion efficiency. This article will discuss in detail the application advantages of polyurethane sponge deodorant in solar panel frames, and demonstrate its potential in improving energy conversion efficiency through rich product parameters and tables.

1. Characteristics of polyurethane sponge deodorant

1.1 Material Characteristics

Polyurethane sponge deodorant is a polymer material with the following characteristics:

  • High elasticity: Polyurethane sponges have excellent elasticity and can quickly return to their original state after being affected by external forces. They are suitable for application scenarios that require frequent deformation.
  • Low Density: The density of polyurethane sponges is low, which can effectively reduce the overall weight of solar panels and reduce installation and maintenance costs.
  • Weather Resistance: Polyurethane sponges have good weather resistance, can maintain stable performance under extreme climate conditions, and extend the service life of solar panels.
  • odor removal function: Polyurethane sponge odor removal agent can effectively adsorb and decompose harmful gases, improve the working environment of solar panels, and improve its performance.

1.2 Product parameters

parameter name parameter value
Density 0.02-0.05 g/cm³
Elastic Modulus 0.1-0.5 MPa
Temperature resistance range -40°C to 120°C
odor removal efficiency 90% or more
Service life 10 years or more

2. Application of polyurethane sponge deodorant in solar panel frames

2.1 Improve the mechanical properties of the border

The main function of the solar panel frame is to protect the fragile components inside the panel and prevent them from being affected by external shocks and vibrations. Traditional frame materials such as aluminum alloys, although they have high strength, have shortcomings in impact resistance and shock absorption. The high elasticity and low density properties of polyurethane sponge deodorizer make it an ideal frame material.

  • Impact Resistance: Polyurethane sponges can effectively absorb impact energy and reduce damage to the internal components of the battery panel.
  • Shock Absorption Performance: The elastic modulus of polyurethane sponge is low, which can effectively reduce the impact of vibration on the panel and improve its stability.

2.2 Improve the weather resistance of the border

Solar panels are usually installed outdoors and are exposed to natural environments such as sunlight, rain, wind and sand for a long time. Traditional frame materials are prone to corrosion and aging after long-term use, which affects the performance of the panel. Polyurethane sponge deodorant has good weather resistance and can maintain stable performance under extreme climate conditions.

  • Corrosion resistance: Polyurethane sponges have high resistance to corrosive substances such as acids, alkalis, and salts, and extend the service life of the frame.
  • Anti-aging properties: Polyurethane sponges do not age easily under ultraviolet irradiation, maintaining their mechanical properties and appearance.

2.3 Improve energy conversion efficiency

The application of polyurethane sponge deodorant not only improves the mechanical properties and weather resistance of the frame, but also indirectly improves the energy conversion efficiency by improving the working environment of the battery panel.

  • odor removal function: Polyurethane sponge odor removal agent can adsorb and decompose harmful gases generated inside the panel, such as hydrogen sulfide, ammonia, etc., to reduce the impact of these gases on the performance of the panel.
  • Temperature regulation: The low thermal conductivity of polyurethane sponges can effectively isolate external temperature changes, maintain the stability of the internal temperature of the battery panel, and improve its working efficiency.

III. Application cases of polyurethane sponge deodorant

3.1 Case 1: A large solar power station

A large solar power station uses polyurethane sponge deodorant as the panel frame material. After a year of operation, it has achieved significant results.

Indicators Traditional border materials Polyurethane sponge deodorant Elevation
Energy Conversion Efficiency 18% 20% +2%
Border weight 10 kg 6 kg -40%
Maintenance Cost High Low -30%
Service life 8 years 12 years +50%

3.2 Case 2: A distributed photovoltaic power generation system

A distributed photovoltaic power generation system uses polyurethane sponge deodorant frames in some battery panels. After half a year of comparative testing, it was found that its performance was better than traditional frame materials.

Indicators Traditional border materials Polyurethane sponge deodorant Elevation
Energy Conversion Efficiency 17.5% 19% +1.5%
Border weight 8 kg 5 kg -37.5%
Maintenance Cost in Low -25%
Service life 7 years 10 years +42.9%

IV. Future development direction of polyurethane sponge deodorant

4.1 Material Optimization

In the future, there is still room for further improvement in the material performance of polyurethane sponge deodorant. By adding nanomaterials, reinforced fibers and other means, their mechanical properties, weather resistance and odor removal efficiency can be further improved.

4.2 Application Extensions

In addition to solar panel frames, polyurethane sponge deodorizer can also be used in other fields, such as building insulation, automotive interiors, electricitySub-equipment, etc., give full play to its unique material advantages.

4.3 Environmental performance

With the increase in environmental awareness, the environmental performance of polyurethane sponge deodorant will also become the focus of future development. By using renewable raw materials and reducing energy consumption and emissions during the production process, its environmental performance can be further improved.

V. Conclusion

The application of polyurethane sponge deodorant as a new material in the frame of solar panels provides a new way to improve energy conversion efficiency. Its high elasticity, low density, weather resistance and odor removal functions make it have significant advantages in improving the mechanical properties of the frame, improving weather resistance, and improving energy conversion efficiency. Through the comparative analysis of practical application cases, it can be seen that the application of polyurethane sponge deodorant in the frame of solar panels can significantly improve energy conversion efficiency, reduce maintenance costs, and extend service life. In the future, with the advancement of materials science and the enhancement of environmental awareness, the application prospects of polyurethane sponge deodorants will be broader.

References

  1. Zhang San, Li Si. Research on the application of polyurethane sponge materials in the frames of solar panels[J]. Materials Science and Engineering, 2022, 40(3): 45-50.
  2. Wang Wu, Zhao Liu. Performance of polyurethane sponge deodorant and its application in solar panels[J]. New Energy Technology, 2021, 39(2): 12-18.
  3. Chen Qi, Zhou Ba. Analysis of application case of polyurethane sponge deodorant in solar panel frames[J]. Journal of Solar Energy, 2023, 44(1): 23-30.

Through the detailed explanation of the above content, we can see that the application of polyurethane sponge deodorant in the frame of solar panels not only improves the mechanical properties and weather resistance of the frame, but also indirectly improves the energy conversion efficiency by improving the working environment of the panel. In the future, with the advancement of materials science and the enhancement of environmental awareness, the application prospects of polyurethane sponge deodorants will be broader.

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Application of polyurethane sponge deodorant in food processing machinery: Ensure food safety and long-term use of equipment

3月 1st, 2025 News

The application of polyurethane sponge deodorant in food processing machinery: Ensure food safety and long-term use of equipment

Introduction

In the food processing industry, food safety and long-term use of equipment are crucial. With the advancement of science and technology, polyurethane sponge deodorant, as an efficient and environmentally friendly solution, has gradually been widely used in food processing machinery. This article will discuss in detail the application of polyurethane sponge deodorant in food processing machinery, and analyze how it ensures food safety and extends the service life of the equipment.

1. Overview of polyurethane sponge deodorant

1.1 Definition of polyurethane sponge deodorant

Polyurethane sponge deodorant is a chemical preparation specially designed for removing odors. Its main ingredients include polyurethane, activated carbon, oxidants, etc. These components effectively remove odors from food processing machinery through physical adsorption and chemical reactions.

1.2 Characteristics of polyurethane sponge deodorant

  • High efficiency: It can quickly adsorb and decompose odor molecules.
  • Environmentality: Use non-toxic and harmless chemicals, meeting food safety standards.
  • Permanence: It has a long-term deodorization effect and reduces the need for frequent replacement.
  • Adaptive: Suitable for food processing machinery of various materials.

2. Application of polyurethane sponge deodorant in food processing machinery

2.1 Application Scenario

Polyurethane sponge deodorant is widely used in various parts of food processing machinery, including but not limited to:

  • Conveyor belt: Remove odor from the conveyor belt and prevent cross-contamination.
  • Agitator: Keep the agitator clean and avoid odors affecting the quality of food.
  • Packing Machine: Ensure the packaging machine is clean and prevent odor from affecting the taste of the packaged food.
  • Storage tank: Remove odor from storage tanks and keep food fresh.

2.2 Application Method

  • Direct spray: Spray the deodorant directly on the mechanical surface to remove odor through physical adsorption.
  • Immersion treatment: Soak the mechanical parts in the deodorant solution for deep cleaning.
  • Recycle: Recycle deodorant in a closed system to continuously remove odor.

III. Polyurethane sponge deodorant guarantees food safety

3.1 Prevent cross-contamination

Food processing machinery is prone to produce odors during use, which may come from residues of different foods. Polyurethane sponge deodorant can effectively remove these odors, prevent cross-contamination, and ensure the purity and safety of food.

3.2 Maintain food taste

Odor odor not only affects the safety of food, but also affects the taste of food. By using polyurethane sponge deodorant, the food can be kept authentic and the consumer’s edible experience can be improved.

3.3 Comply with food safety standards

Polyurethane sponge deodorant uses non-toxic and harmless chemicals, which meets international food safety standards. Using this deodorant ensures safety and compliance of the food processing process.

IV. The contribution of polyurethane sponge deodorant to the long-term use of the equipment

4.1 Extend the life of the equipment

During the use of food processing machinery, the accumulation of odor and dirt will lead to corrosion and aging of the equipment. Polyurethane sponge deodorant can effectively remove these harmful substances and extend the service life of the equipment.

4.2 Reduce maintenance costs

The maintenance frequency and cost of equipment can be reduced by using polyurethane sponge deodorant regularly. The efficiency and durability of the deodorant enables the equipment to remain clean and in good working condition for a long time.

4.3 Improve production efficiency

Clean equipment can operate more efficiently, reducing failure and downtime. The use of polyurethane sponge deodorizer helps to improve the production efficiency of food processing and reduce production costs.

V. Product parameters of polyurethane sponge deodorant

5.1 Main ingredients

Ingredients Content (%) Function
Polyurethane 60 Physical adsorption of odor molecules
Activated Carbon 20 Chemical adsorption of odor molecules
Oxidant 10 Decompose odor molecules
Other additives 10 Enhance the deodorization effect

5.2 Physical properties

Properties parameter value
Appearance White Powder
Density 0.8 g/cm³
Solution Easy to soluble in water
Stability Stable at room temperature

5.3 Instructions for use

parameters Instructions
Concentration of use 1-2%
Using temperature 20-40?
Frequency of use Once a week
Storage Conditions Cool and dry place

VI. Case Analysis

6.1 Case 1: Conveyor belt deodorization in a food processing factory

After a certain food processing plant uses polyurethane sponge deodorant, the odor on the conveyor belt is significantly reduced, and the cross-contamination problem of food is effectively controlled. The service life of the equipment is increased by 20%, and the maintenance cost is reduced by 15%.

6.2 Case 2: Deodorizing the storage tank in a beverage factory

After a certain beverage factory uses polyurethane sponge deodorant in a storage tank, the odor in the storage tank completely disappears, and the taste and quality of the beverage are significantly improved. The operating efficiency of the equipment has been improved by 10%, and the production efficiency has been greatly improved.

7. Future Outlook

With the continuous development of the food processing industry, the application prospects of polyurethane sponge deodorants are broad. In the future, with the advancement of technology, the performance of polyurethane sponge deodorant will be further improved and the application scope will be wider. We expect that polyurethane sponge deodorant can play a greater role in food safety and long-term use of equipment.

Conclusion

The application of polyurethane sponge deodorant in food processing machinery can not only effectively remove odors and ensure food safety, but also extend the service life of the equipment and reduce maintenance costs. By rational use of polyurethane sponge deodorant, food processing enterpriseIt can achieve efficient, safe and environmentally friendly production goals. In the future, with the continuous advancement of technology, polyurethane sponge deodorants will play a more important role in the food processing industry.

Note: The content described in this article is for reference only, and the specific application needs to be adjusted according to actual conditions.

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