China Standard High-Quality Ammonia LPG Reciprocating Compressor for Unloading The Liquid Gas Tank air compressor oil

Product Description

HangZhou CHINAMFG Gas Equipment Co.,Ltd, exporting diaphragm compressor, piston compressor, oxygen generator, gas cylinder and nitrogen generators with good quality and low price.

Piston compressor is a kind of piston reciprocating motion to make gas pressurization and gas delivery compressor mainly consists of working chamber, transmission parts, body and auxiliary parts. The working chamber is directly used to compress the gas, the piston is driven by the piston rod in the cylinder for reciprocating motion, the volume of the working chamber on both sides of the piston changes in turn, the volume decreases on 1 side of the gas due to the pressure increase through the valve discharge, the volume increases on 1 side due to the reduction of air pressure through the valve to absorb the gas.

Compressor for unloading and loading
Product description
This ZW series of oil-free compressors is 1 of the first products produced by our factory in China. The compressors have the advantage of low rotating speed, high component strength, stable operation, long service life and convenient maintenance. It is consist of compressor, gas-liquid separator, filter, two-position four-way valve, safety valve, check valve, explosion-proof motor and base etc. It has the characteristics of small size, light weight, low noise, good sealing, easy installation and easy operation.
This compressor is mainly used for unloading, loading, dumping, residual gas recovery and residual
liquid recovery of LPG/C4, propylene and liquid ammonia. It is widely used in gas, chemical,
energy and other industries, and is a key equipment in gas, chemical, energy and other
industries.

Note: In the process of unloading, the compressor pressurizes the gas from the storage tank and then presses it into the tanker through the gas phase line, and presses the liquid from the tanker to the storage tank through the pressure difference of the gas phase to complete the unloading two process. When the gas phase is pressurized, the temperature of the gas phase will rise. At this time, it is not necessary to force it to cool, because if the gas phase is compressed and then cooled, it is easy to liquefy, and the pressure difference of the gas phase is difficult to establish, which is not conducive to the replacement of the gas phase and the liquid phase. In short, it will prolong the unloading process time. If residual gas recovery is required, during the residual gas recovery operation, a cooler can be selected for forced cooling of the gas phase, so as to recover the residual gas as soon as possible. The loading process is the opposite of the unloading process.

Propane-Butane Mix Compressor

Number Type Power(kW) Dimension (mm) Loading or unloading (t/h)
  1.  
ZW-0.6/16-24 11 1000×680×870 ~15
  1.  
ZW-0.8/16-24 15 1000×680×870 ~20
  1.  
ZW-1.0/16-24 18.5 1000×680×870 ~25
  1.  
ZW-1.5/16-24 30 1400×900×1180 ~36
  1.  
ZW-2.0/16-24 37 1400×900×1180 ~50
  1.  
ZW-2.5/16-24 45 1400×900×1180 ~60
  1.  
ZW-3.0/16-24 55 1600×1100×1250 ~74
  1.  
ZW-4.0/16-24 75 1600×1100×1250 ~98
  1.  
VW-6.0/16-24 132 2400×1700×1550 ~147

Inlet pressure:≤1.6MPa
Outlet pressure: ≤2.4MPa
Max differential pressure: 0.8MPa
Maximum Instantaneous Pressure Ratio:≤4
Cooling method: Air cooling

The unloading volume is calculated according to the inlet pressure of 1.6MPa, the outlet
pressure of 2.4MPa, the inlet temperature of 40 ºC , and the density of propylene liquid of
614kg/m3. When the working conditions change, the unloading volume will change accordingly,
which is for reference only.

 Piping and Instrumentation Diagram of gas unloading  
 Liquid delivery
At the beginning, open the liquid phase pipeline between the tanker and the storage tank. If the liquid level in the tanker is higher than the storage tank, it will automatically flow into the storage tank. When the balance is reached, the flow will stop. If the liquid phase of the tanker is lower than the storage tank, directly start the compressor, the four-way valve is in the positive position, and the gas is extracted from the storage tank by the compressor and then discharged into the tanker. At this time, the pressure in the tank car rises, the pressure in the storage tank drops, and
the liquid in the tank car flows into the storage tank. (as shown below)

 Surplus liquid recovery
The residual liquid recovery process is the opposite of liquid transfer. After the liquid is delivered, the four-way valve should be reversed, and the dotted line in the figure is closed. At this time, the remaining gas in the tanker is inhaled by the compressor, pressurized and then discharged to the storage tank until the pressure of the remaining gas drops to no recovery value. When recycling, pay attention that the compressor pressure ratio and exhaust temperature cannot exceed the allowable values.

The working principle of the four-way valve
                   

Pull the handle of the four-way valve, when the four-way valve is in the position shown in Figure a, the A side is the intake air, and the gas flows from A to B, through the pipe, the intake filter part, the compressor intake pipe, the compressor, The compressor discharge pipe, the D end flows to the C end, and the C end is the exhaust end.
When the four-way valve is in the position of Figure B, the C end is the intake air, and the gas flows from the C end to the B end, through the pipe, the intake filter part, the compressor intake pipe, the compressor, the compressor exhaust pipe, and the D end It flows to end A, which is the exhaust end.

Reference example for selection and calculation of Propane-Butane Mix unloading compressor
.Selection of compressor inlet and outlet pressure
Saturated vapor pressure of Propane-Butane Mix at 20~36ºC

Temperature(ºC) Atmosphere Temperature(ºC) Atmosphere
20 8.4585 30 11.512
22 9.0125 32 12.212
24 9.5940 34 12.943
26 10.2040 36 13.708
28 10.8430    

In the case of high temperature, the saturated vapor pressure of Propane-Butane Mix is high, so the 16barg (inlet pressure)-24barg (outlet pressure) model is selected to meet the use environment when the temperature is high.
Note: The unit of pressure is kg/cm2

 

  • Compressor Flow Calculation

The specific flow calculation is more complicated and needs to be finally determined according to the calculation formula and experience. Only a simple calculation method is introduced here.

1. Calculate the volume of the tanker
According to the provided operating conditions, first determine the total volume flow required to unload the 15-ton Propane-Butane Mix tanker in 1 hour.
The specific gravity of Propane-Butane Mix is 0.618, so the volume of 15 tons of Propane-Butane Mix is: 15 ÷0.618=24.272m3; and since the tanker is not allowed to be full, it is generally about 80% of the tanker’s volume. The volume is 24.272+15×0.2=27.272, so the volume of the tanker should be 30m3.

2.Calculate flow
When the compressor is unloading, the pressure difference must first be established before the Propane-Butane Mix can be unloaded from the tanker to the storage tank. Generally, the time to establish the pressure difference is 15 minutes, so the actual unloading time is only about 45 minutes, that is, the required displacement is 30 ÷ 45 = 0.66667m3/min; and after the gas is pressurized from 16kg to 24kg by the compressor, the volume will be reduced to about 0.66667 (16 ÷ 24) of the original volume, then the compressor displacement is: 0.66667 ÷ 0.66667 =1m3/min

According to the above calculation, the compressor model is selected as ZW-1.1/16-24

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After-sales Service: Provide After-Sell Sevice
Warranty: 18monthes
Lubrication Style: Lubricated
Cooling System: Water Cooling
Cylinder Arrangement: Balanced Opposed Arrangement
Cylinder Position: Angular
Customization:
Available

|

air compressor

Can Gas Air Compressors Be Used in Construction Projects?

Gas air compressors are widely used in construction projects due to their portability, versatility, and ability to provide the necessary compressed air for various applications. They are an essential tool in the construction industry, enabling the efficient and effective operation of pneumatic tools and equipment. Here’s a detailed explanation of how gas air compressors are used in construction projects:

1. Powering Pneumatic Tools:

Gas air compressors are commonly used to power a wide range of pneumatic tools on construction sites. These tools include jackhammers, nail guns, impact wrenches, concrete breakers, air drills, sanders, grinders, and paint sprayers. The compressed air generated by the gas air compressor provides the necessary force and power for efficient operation of these tools, enabling tasks such as concrete demolition, fastening, surface preparation, and finishing.

2. Air Blow and Cleaning Operations:

In construction projects, there is often a need to clean debris, dust, and dirt from work areas, equipment, and surfaces. Gas air compressors are used to generate high-pressure air for air blow and cleaning operations. This helps maintain cleanliness, remove loose materials, and prepare surfaces for further work, such as painting or coating.

3. Operating Pneumatic Systems:

Gas air compressors are employed to operate various pneumatic systems in construction projects. These systems include pneumatic control devices, pneumatic cylinders, and pneumatic actuators. Compressed air from the gas air compressor is used to control the movement of equipment, such as gates, doors, and barriers, as well as to operate pneumatic lifts, hoists, and other lifting mechanisms.

4. Concrete Spraying and Shotcreting:

Gas air compressors are utilized in concrete spraying and shotcreting applications. Compressed air is used to propel the concrete mixture through a nozzle at high velocity, ensuring proper adhesion and distribution on surfaces. This technique is commonly employed in applications such as tunnel construction, slope stabilization, and repair of concrete structures.

5. Sandblasting and Surface Preparation:

In construction projects that require surface preparation, such as removing old paint, rust, or coatings, gas air compressors are often used in conjunction with sandblasting equipment. Compressed air powers the sandblasting process, propelling abrasive materials such as sand or grit onto the surface to achieve effective cleaning and preparation before applying new coatings or finishes.

6. Tire Inflation and Equipment Maintenance:

Gas air compressors are utilized for tire inflation and equipment maintenance on construction sites. They provide compressed air for inflating and maintaining proper tire pressure in construction vehicles and equipment. Additionally, gas air compressors are used for general equipment maintenance, such as cleaning, lubrication, and powering pneumatic tools for repair and maintenance tasks.

7. Portable and Remote Operations:

Gas air compressors are particularly beneficial in construction projects where electricity may not be readily available or feasible. Portable gas air compressors provide the flexibility to operate in remote locations, allowing construction crews to utilize pneumatic tools and equipment without relying on a fixed power source.

Gas air compressors are an integral part of construction projects, facilitating a wide range of tasks and enhancing productivity. Their ability to power pneumatic tools, operate pneumatic systems, and provide compressed air for various applications makes them essential equipment in the construction industry.

air compressor

Can Gas Air Compressors Be Used for Gas Line Maintenance?

Gas air compressors can be used for certain aspects of gas line maintenance, primarily for tasks that require compressed air. Here’s a detailed explanation:

1. Clearing Debris and Cleaning:

Gas air compressors can be utilized to clear debris and clean gas lines. Compressed air can be directed through the gas lines to dislodge and remove dirt, dust, rust particles, or other contaminants that may accumulate over time. This helps maintain the integrity and efficiency of the gas lines.

2. Pressure Testing:

Gas line maintenance often involves pressure testing to ensure the lines can withstand the required operating pressures. Gas air compressors can provide the necessary compressed air to pressurize the lines for testing purposes. By pressurizing the gas lines with compressed air, technicians can identify any leaks or weaknesses in the system.

3. Leak Detection:

Gas air compressors can also be used in conjunction with appropriate leak detection equipment to identify and locate gas leaks in the gas lines. Compressed air can be introduced into the lines, and the detection equipment can then identify any areas where the compressed air escapes, indicating a potential gas leak.

4. Valve and Equipment Maintenance:

Gas line maintenance may involve the inspection, maintenance, or replacement of valves and associated equipment. Compressed air can be used to clean and blow out debris from valves, purge lines, or assist in the disassembly and reassembly of components.

5. Pipe Drying:

Gas air compressors can aid in drying gas lines after maintenance or repairs. By blowing compressed air through the lines, any residual moisture can be removed, ensuring the gas lines are dry before being put back into service.

6. Precautions and Regulations:

When using gas air compressors for gas line maintenance, it is essential to follow safety precautions and adhere to relevant regulations. Gas line maintenance often involves working in hazardous environments, and proper training, equipment, and procedures must be followed to ensure the safety of personnel and the integrity of the gas system.

It is important to note that gas air compressors should not be used directly for pressurizing or transporting natural gas or other combustible gases. Gas line maintenance tasks involving gas air compressors primarily focus on using compressed air for specific maintenance and testing purposes, as outlined above.

In summary, gas air compressors can be useful for certain aspects of gas line maintenance, including clearing debris, pressure testing, leak detection, valve and equipment maintenance, and pipe drying. However, it is crucial to follow safety guidelines and regulations when working with gas lines and compressed air to ensure the safety and integrity of the gas system.

air compressor

What Industries Commonly Use Gas Air Compressors?

Gas air compressors find applications in various industries where compressed air is required for powering tools, equipment, and systems. These compressors are valued for their portability, versatility, and ability to provide high-pressure air. Here’s a detailed explanation of the industries that commonly use gas air compressors:

1. Construction Industry:

The construction industry extensively utilizes gas air compressors for a wide range of tasks. Compressed air is used to power pneumatic tools such as jackhammers, nail guns, impact wrenches, and concrete breakers. Gas air compressors provide the necessary airflow and pressure to operate these tools efficiently, making them ideal for construction sites.

2. Mining Industry:

In the mining industry, gas air compressors play a vital role in various operations. Compressed air is used to power pneumatic tools for drilling, rock blasting, and excavation. It is also employed in ventilation systems, conveying systems, and pneumatic control devices in mines. Gas air compressors are valued for their durability and ability to operate in rugged and remote mining environments.

3. Oil and Gas Industry:

The oil and gas industry relies on gas air compressors for numerous applications. They are used for well drilling operations, powering pneumatic tools, and maintaining pressure in oil and gas pipelines. Gas air compressors are also utilized in natural gas processing plants, refineries, and petrochemical facilities for various pneumatic processes and equipment.

4. Manufacturing and Industrial Sector:

In the manufacturing and industrial sector, gas air compressors are extensively used in different applications. They provide compressed air for pneumatic tools, such as air-powered drills, sanders, grinders, and spray guns. Compressed air is also used in manufacturing processes such as material handling, assembly line operations, and pneumatic control systems.

5. Automotive Industry:

The automotive industry utilizes gas air compressors for a variety of tasks. Compressed air is employed in automotive assembly plants for pneumatic tools, paint spraying booths, and pneumatic control systems. Gas air compressors are also used in auto repair shops for powering air tools, tire inflation, and operating pneumatic lifts.

6. Agriculture and Farming:

Gas air compressors have applications in the agriculture and farming sector. They are used for tasks such as powering pneumatic tools for crop irrigation, operating pneumatic seeders or planters, and providing compressed air for farm maintenance and repair work. Portable gas air compressors are particularly useful in agricultural settings where electricity may not be readily available.

7. Food and Beverage Industry:

In the food and beverage industry, gas air compressors are employed for various pneumatic processes and equipment. They are used in food packaging operations, pneumatic conveying systems for ingredients and finished products, and air-powered mixing and blending processes. Gas air compressors in this industry are designed to meet strict hygiene and safety standards.

8. Pharmaceutical and Healthcare Sector:

The pharmaceutical and healthcare sector utilizes gas air compressors for critical applications. Compressed air is used in medical devices, dental equipment, laboratory instruments, and pharmaceutical manufacturing processes. Gas air compressors in this industry must adhere to stringent quality standards and maintain air purity.

These are just a few examples of the industries that commonly use gas air compressors. Other sectors, such as power generation, aerospace, marine, and chemical industries, also rely on gas air compressors for specific applications. The versatility and reliability of gas air compressors make them indispensable in numerous industries where compressed air is a vital resource.

China Standard High-Quality Ammonia LPG Reciprocating Compressor for Unloading The Liquid Gas Tank   air compressor oilChina Standard High-Quality Ammonia LPG Reciprocating Compressor for Unloading The Liquid Gas Tank   air compressor oil
editor by CX 2024-04-23

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