Organizations that paint cars often use cameras with a water curtain. They represent one of the most advanced options, allowing you to create a coating for large-sized products, such as car bodies, their parts, furniture, etc. Their design as a whole is a stainless steel room with supply and exhaust ventilation, which operates on electric motors. Home working part- heating element that heats the box to required temperature and maintaining the level of heat during work. Lighting also plays an important role, because it should create an even, intense light space without shadows.
Painting booths
What is the difference between painting chambers with a water curtain, and what is their advantage over traditional devices? In specially created conditions a mist of paint is formed, which then settles on the surface. But if in usual options If there is a danger that toxic substances or vapors will still leave the room, then in such devices they are retained with the help of water. In addition, the liquid binds volatile essential substances that are present in such a chamber. Of course, this type of filtration is not yet a guarantee of final disposal of harmful emissions, but still a significant decrease in their number.
Outdoor spray booths
There are also painting booths that operate in a closed air flow cycle; in this case, the air moves in a circle and returns to reuse. And if it is not very well cleaned before starting a new process, then small droplets of dye will enter the room, which will polymerize. This can deteriorate the properties of the enamel, however, the curtain of water traps these residues.
Painting booths with a water curtain: stages of operation
As already stated, this type cameras is similar to traditional devices. Air comes from the atmosphere into a confined space, and the suction is based on the operation of a fan. The air flow passes through many filters, and each of them performs a specific purification process. The quality of processing depends on the size of the holes in the filter material.
When the dyeing process begins, the air is heated using special heat elements. The temperature in the chamber increases. There are exit holes at the bottom of the device. They may be in different places. Through them the air flow leaves workspace which is done using fans. A water curtain is placed directly in front of the line, which removes the exhaust atmosphere from the chamber. Thus, before leaving the box, the air crosses thin wall from water, which retains dense particles - they settle in the form of a suspension.
Actually, this design is a water filter. There are other possibilities when the air for cleaning is passed not through a wall of jets, but through a special container in which water is poured. In this case, dense particles accumulate at the bottom, which then form condensation. To ensure that all harmful substances precipitate faster, a reagent is added to such a container, which speeds up the processing processes.
The most advanced painting booths of this type have several levels of cleaning. The first of them is the passage of air through a continuous curtain of water. In this case, a wall of water is created, and its speed of movement is always uniform. The second level provides better cleaning air masses from dye particles (internal cleaning). This is where complete liberation from impurities occurs. The third level is the completion of purification processes, which can be achieved through carbon-based filters or another type of dry-based filtration. At this stage, all paint particles disappear. Consequently, the fan will be protected from dye residues.
These are the main stages of operation of such cameras. This air purification system in spray booths with a water curtain helps reduce toxicity to a minimum, and therefore the use of this type of equipment is considered mandatory in those industries where the use of liquid paints and varnishes is required.
An excellent business solution is to paint cars at home. But in order to be able to paint cars, there is little experience and equipment for painting, you also need to have a room in which the painting will be done vehicles. Organizations that paint cars have long carried out painting work in a chamber with a water curtain. It is no secret that such a device can be made with your own hands, only by making some efforts and spending a small amount of money to purchase some equipment. You can buy a ready-made one, but its cost will be very high, and not everyone is ready to invest a large amount. In order to make a device with a water curtain with your own hands, you will also need some knowledge.
What does the camera consist of?
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A spray booth with a water curtain is a closed room that is made of stainless steel and has supply and exhaust ventilation. This ventilation is created using electric motors. The main part of the device is a heating element, which helps heat the room to the required temperature and maintain it during painting works. The chamber also includes lighting, which must be distributed evenly over the entire area and have sufficient luminous flux. It is best to place them not only on the ceiling of the room, but also on the side walls. The device also includes equipment for painting work and other auxiliary tools.
Layout of the painting booth
Knowing what the paint booth consists of, you need to decide on the location where the arrangement will be made, and make a project according to the location of the main structural elements. An excellent location for the construction of the device can be a garage, or build a new extension, which will take more time and, accordingly, finances. To make a device with your own hands, you will need structural elements from which it will be based, heating and ventilation systems, filtration and lighting.
Making a painting booth
Having made the layout, it is necessary to carry out all technical calculations and begin installation work.
First of all, a new room is built or a frame is assembled inside the garage. General dimensions should be: length 10 meters, width 8 meters, height 3.5 meters. The painting booth has a corresponding size: 4 meters wide and 6 meters long.
- Gate installation.
It is best to use insulated gates to avoid suction and loss of warm air; the outside is lined with corrugated sheeting. At the point of contact between the gates, it is insulated with a special adhesive tape. Places with cracks must be foamed with foam. - Floor construction. The base of the floor is made of concrete, inside which a hole is made, and a metal pipe with a diameter of 150 mm is led out onto the street for air outflow. Lies on the floor metal grill over the entire surface of the room to a height of 15-20 cm.
- Walls. The walls are sheathed with corrugated sheets, and the inside is insulated; sandwich panels can be made.
- Air exchange system. Components: two electric motors and metal pipes with diameters of 100 mm and 150 mm respectively. For supply ventilation An electric motor with a power of 5 kW is used, for an exhaust motor at least 7 kW.
- Ceiling. It is made of corrugated board, with insulation. Ceiling mounted metal frame for air flow. An electric heater that will supply warm air indoors, installed outdoors.
- Air purification. It is carried out using filters and has three-level cleaning.
- Level 1 A frontal water curtain which is carried out by the flow of uniform streams of water;
- Level 2. Cleaning the air inside the device. Promotes filtration and purification of air from paint waste;
- Level 3. Dry filtration. Contributes complete cleaning air from paint particles and performs the function of protecting the fan from paint sticking.
- Lighting. Mounted LED or fluorescent lamps along the ceiling and walls of the room.
Automatic control and monitoring sensors are also installed over the system of supply and exhaust fans and filters.
After installing everything necessary for the water chamber, painting equipment is installed.
How the work is carried out
An electric heater pumps air from the atmosphere into a confined space in a room. As the air passes through the system, it is purified by filters, each of which provides a specific purification.
The temperature in the room rises due to the work of the heating elements. The painting process begins. Down on the floor, air begins to be sucked out of the chamber using an exhaust fan. Water curtains are installed in front of the main line, which help retain paint particles. Here the air goes through all three levels of purification, if such are pre-installed. Cameras with a water curtain and factory production work on the same principle.
Positive aspects of a DIY device
- Free system planning.
- Big savings.
- Possibility to save on all components.
- Ability to use the main parts of the structure.
Disadvantages of the device
- There may be inaccuracies in calculations or imperfections in the installation of the device.
- It is not possible to completely automate the process, since the elements of the device consist of separate parts.
- There are no guarantees for the performance of such a device.
Price
The cost of constructing a chamber with a water curtain with your own hands may take long time, but its cost will be about $4,000. You can buy a factory one for $20,000 or more. To start a business, the best option There is a construction with your own hands, which is much more profitable for a start-up business.
The use of spray booths with a water curtain allows you to improve the quality of finishing and eliminate the influence harmful substances on humans and the environment, which is determined by various factors related to the size of the products being painted, the volume and type of sprayed material, the duration of use of the spray booths, and safety requirements environment, labor costs. For all cases, you can select the appropriate spray booth with a frontal suction system with water filtration, which ensures the sedimentation of solid particles. In this case, the product must be located between the operator and the active camera curtain. When choosing a stand, it is necessary to evaluate the size of the product being painted and the need to use a booth for the simultaneous work of several operators.
Distinctive characteristics:
- The camera is the leader in sales in Russia in this segment, occupying more than 40% of the market.
- Having everything you need technical parameters, painting booths have a price that is 15-20% lower than their analogues.
- They have all the necessary certificates for use in the Russian Federation.
- Long experience in operating this equipment in the Russian Federation (the first deliveries were made more than 5 years ago) speaks of high quality metal and low level of corrosion of components.
- Optimal design chamber allows in the future to aggregate it with air injection and filtration systems to upgrade it into an overpressure chamber.
- The constant availability of equipment in the warehouse and all necessary spare parts allows you to immediately begin operating this type of equipment and minimize the risks associated with its downtime.
- A wide product range allows you to select it most optimally depending on the width of the product being processed, or (if the product is much smaller than the width of the chamber) to use it simultaneously when working with several operators.
- To automate the painting process, the painting booth can be supplied with an automatic workpiece feeding conveyor (optional), which increases productivity by 2-3 times.
Basic equipment of the DF spray booth
Price of a spray booth with pump Composition of the spray booth:
- supporting structure of the chamber, made of galvanized sheet metal.
- adapter flange for mounting the fan on the roof of the chamber
- a set of special dry filters for the aspiration unit.
- drainage type hydraulic pump.
- hydraulic pump engine (Italy).
- connecting pipes and components for circulating water inside the chamber.
- frontal water curtain.
- a small raised settling vessel located at the bottom of the chamber.
- fluorescent lamp – 2 pieces
- Electrical control panel
- Supply voltage 380V/3/50Hz.
- set of installation equipment.
- electrical equipment in special version
- further connection is provided external system air injection
The camera can be supplied with or without a fan. You can use your own fan of similar airflow capacity.
Compound: air aspiration unit with brass deflectors and standard motor (Italy)
- Rear wall of cascade type – maximum spreading of water, i.e. no splashing.
- Possibility of adaptation to room dimensions and non-standard design.
- Fast delivery time - no more than a month.
- Constant availability of all components in stock - instant replacement in case of failure - increased warranty.
- Best prices on the market.
Convenient replacement of dry filters located above the water curtain.
The ability to quickly clean the camera in an easily accessible manner, since the lower rear part opens like a car hood.
A special drainage pump in a special design that allows you to work even with water with large clumps of paint.
Powerful explosion-proof fan, i.e. you can work at a distance of 0.5 meters from working area cabins, 100% capture of all paint vapors, preventing water dust from entering the product, the operator can work even without a mask. Even if you spray paint with a nozzle down from a meter height, the paint does not reach the floor and is completely caught by the water stand.
Operating principle of water cabins:
With the help of a fan installed on the roof of the chamber, a vacuum is created, which ensures air suction; with the help of a water curtain (item 1), solid paint pigments are deposited. Water rinsing and additional dry filtration (D) allow aerosols to be captured and deposited in the collection bath. The pump (item 2) circulates water through the baths (A, B, C), the overflow from which forms water curtains. Some versions have two additional side curtains to optimize the first stage of filtration. The chamber consists of galvanized metal panels, connected to each other by bolts. Side panels and partitions are load-bearing, mounted on the roof centrifugal fan. Available in various modifications: suction front only, suction front with additional walls and an elongated roof, plus lower baths equipped with a grate, and there are also two height options. For fine cleaning chemical composition air, it is recommended to use a self-contained KARB coal installation.
Accessories for water spray booths available on request:
- Increase in engine power from 3 to 4 hp
- Explosion-proof motor Italy
- Active floor (depth 280 mm, width – 1120 mm)
- Side water curtains (for 2 pcs)
- Freestanding water filtration unit (V standard not required)
- Lamp version IP 55
- Version without roof, discount
- Version without side walls, discount for each
- Explosion and fireproof design of the control panel model "Standard-Eco"
- Option “Ecological” (additional water curtain)
- Increase in working depth from 1.22 m to 1.5 m
- Increase in working depth from 1.22 m to 2 m
Technical specifications of the DF water curtain spray booth
Characteristic name |
Characteristic value |
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External dimensions: |
2 600 |
3 100 |
4 100 |
4 400 |
4 600 |
Working height, mm |
|||||
Diameter of the exhaust hole on the roof of the chamber, mm |
|||||
Hood capacity, m3/hour |
|||||
Fans required, pcs. |
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Fan power, hp |
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Outlet hole, mm (L x W) |
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Outlet fastener, mm |
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Pump power, hp |
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Dimensions of the chamber disassembled for transportation, mm: |
2600mm |
3100mm |
4100mm |
4400mm |
4600mm |
Fan dimensions, m |
1.2 x 1.2 x 1.2 m |
1.2 x 1.2 x 1.2 m |
1.2 x 1.2 x 1.2 m |
1.2 x 1.2 x 1.2 m |
Painting booth with a water curtain»>An excellent business solution is to paint cars at home. But in order to be able to paint cars, there is little experience and equipment for painting; you also need to have a room in which the vehicles will be painted. Organizations that paint cars have long carried out painting work in a chamber with a water curtain. It is no secret that such a device can be made with your own hands, only by making some effort and spending a small amount of money to purchase some equipment. You can buy a ready-made one, but its cost will be very high, and not everyone is ready to invest a large amount. In order to make a device with a water curtain with your own hands, you will also need some knowledge. A painting booth with a water curtain is a closed room, which is made of stainless steel and has supply and exhaust ventilation. This ventilation is created using electric motors. The main part of the device is a heating element, which helps heat the room to the required temperature and maintain it during painting work. The chamber also includes lighting, which must be distributed evenly over the entire area and have sufficient luminous flux. It is best to place them not only on the ceiling of the room, but also on the side walls. The device also includes equipment for painting work and other auxiliary tools. Layout of the painting boothKnowing what the paint booth consists of, you need to decide on the location, where the arrangement will be made, and make a project for the location of the main structural elements. An excellent location for the construction of the device can be a garage, or build a new extension, which will take more time and, accordingly, finances. To make a device with your own hands, you will need structural elements from which it will be based, heating and ventilation systems, filtration and lighting. Diagram of a spray booth with a water curtain Making a painting boothHaving made the layout, it is necessary to carry out all technical calculations and begin installation work.
How the work is carried outAn electric heater pumps air from the atmosphere into a confined space in a room. As the air passes through the system, it is purified by filters, each of which provides a specific purification. Positive aspects of a DIY device
Disadvantages of the device
PriceThe cost of constructing a water curtain chamber with your own hands can take a long time, but it will cost about $4,000. You can buy a factory one for $20,000 or more. To start a business, the best option is to build it yourself, which is much more profitable for a start-up business. Basic equipment:
The front curtains of both cascades (those through which water flows) have a quick-release design. This not only ensures full access inside the chamber for maintenance, but also appears technical feasibility narrow the gap between the bottom edge curtains and water in the bathroom below. For the upper cascade, this is the bath of the lower cascade, and for the lower cascade, this is the settling bath. This design has a number of advantages, the main ones being:
Additional options:
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