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high frequency screen of green

high-frequency screen for all kinds of material | fote machinery

high-frequency screen for all kinds of material | fote machinery

High-frequency screen is made up of the vibrator, pulp distributor, screen frame, chassis, suspension springs, screens, and other components. Mineral high-frequency screen has the following merits: high efficiency, low amplitude, high-frequency screening.

High efficiency breaks the tension on pulp, which means the fine grains vibrate strongly on the surface of the screen to help the heavy useful grains separate out. As a result, the fine grains contact with screen frequently and the fine grains which are smaller than the need fall down from the screen pore and leave the grain we need.

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Based on the high quality and complete after-sales service, our products have been exported to more than 120 countries and regions. Fote Machinery has been the choice of more than 200,000 customers.

tci manufacturing high frequency screens

tci manufacturing high frequency screens

TCI high frequency screens, commonly referred to as "PEP screens", come in a variety of sizes, frequency levels and configurations. Fine material is best separated with high speed and a small stroke. They are available in single or double deck configurations, and are equipped with either electric or hydraulic vibration. The ratchet-type screen tensioning makes for easy screen panel changes.

screen of green (scrog) everything you need to know - sensi seeds

screen of green (scrog) everything you need to know - sensi seeds

Even where cannabis is legal, in many places you are only allowed to have a limited number of plants. Those who want to maximise their yield in the face of this restriction would do best with a Screen of Green. A simple piece of netting will stimulate sideways growth and bud formation. The result: plenty of fat, highly potent buds.

Screen of Green (SCROG) is the name of one of the most efficient and productive methods of growing cannabis. It is suitable for both small home growers and professional cultivators. Basically it is a question of making maximum use of the growing area to obtain the greatest possible yield.

A mesh ensures that the cannabis plants can grow sideways in a controlled manner and with even lighting. This leads to the formation of plenty of buds. In the ideal case you will end up with a thick, even carpet of buds.

Before starting with the construction itself, you need to select the right types of plant. Because the growth phase lasts longer using the Screen of Green method than with other methods of cultivation, auto-flowering cannabis plants are not suitable.

Whether you start from seeds or seedlings is a matter of personal preference. Many growers prefer seedlings because they grow homogenously and their growth structure is predictable, but seeds also work perfectly well with a Screen of Green. You need to ensure that the plants grow evenly and will flower at about the same time.

Ideally, you should use either Indica, or Sativa varieties. A combination is not recommended. If you decide to go with a Sativa variety, then the pruning will involve more work, but the SCROG method is perfect for managing a cannabis variety that typically tries to shoot up.

It is important that the plants have enough space. In contrast to the Sea of Green approach, the pots should not be too close together. Around 30 x 30 cm per plant, or 1 to 5 plants per square metre, has proved successful. Getting a big harvest from just a few plants is one of the main benefits of the SCROG approach!

After planting in the pots, a mesh is installed between the plants and the lights. The plants will grow up to this height. Some growers construct their own netting from (hemp) ropes, washing lines, bamboo or fine wire. It is simpler to work with ready-made manufactured mesh. This comes in various shapes and sizes and is usually made of plastic, metal or nylon.

The height of the netting will be higher or lower, depending on the variety of cannabis being grown. Around 20 cm above the top of the pot is the right height for Indica varieties, for Sativa the best height is around 45 cm, and for Haze or Thai varieties the height should be as much as 60 cm above the top of the pot.

With the SCROG approach, the focus is on the plants growing sideways. Depending on the variety of marijuana, the growth phase lasts three to eight weeks. Fast-growing Sativa varieties will reach the net sooner than Indica varieties.

All the shoots that appear above the net need to be fixed into the mesh structure. In most cases you can simply weave them into place. Push the shoots carefully under the next hole to create a thick, even plant carpet.

It is important to avoid breaking off any side-shoots or branches, because the plant will then waste energy sending up new shoots. Very thick shoots that stretch a long way may need to be tied to the netting. The best way is to use plant ties.

Once you are happy with the horizontal growth, you can trigger the flowering phase. This is done by reducing the lighting from 18 hours to 12 hours. Growers have to decide for themselves exactly when this should take place. Generally speaking, with a Screen of Green the vegetation growth should not be pushed to the maximum, as the plant will exhaust itself producing new branches instead of forming buds.

The plant is now allowed to grow up through the netting. In order for the buds to receive the maximum amount of light, as many leaves as possible should be pushed back below the netting. If there is strong leaf growth, it is worth cutting off half the leaves. The remaining half will still provide enough energy for the plants and will keep out less light.

From approximately the second week of flowering, the buds will start to grow vertically. A thick carpet of buds will gradually develop. As the canopy becomes increasingly dense, the lower parts of the plants receive less and less light. The leaves will begin to turn yellow. At this time, it is better to cut away all the leaves, branches and buds that are below the netting.

As with as any other intervention on growing plants, such as fertilising, great care is needed when pruning or cutting away plant material. It is better to proceed gradually. Do not remove all the branches and leaves at one time, as this may cause the plants to go into shock and stop growing normally or become sickly.

Once you master the SCROG approach, you will be rewarded with a rich harvest. Screen of Green yields can be as much as 20% higher than other forms of cultivation. Of course, some practice is necessary; there is no such thing as an instant expert.

I have a friend whos a commercial grower in California, he grows in 5 gallon fabric pots and fits 16-18 pots per 4x8 tray and vegs for 8 weeks. How is this possible to veg that long without over crowding? He wont give his secrets, he said he usually tops 1-3 times. He also starts with clones. I tried with 3gal pots and by week 7 plants where massive and wild, I grow on 36 tables so I figured thays about 8-10 3 gal pots. Every cola he produces is uniform in size and is a top. He usually uses 2 sometimes 3 layers of trellis. How would I replicate this on a smaller level. Even tho he vegs 8 weeks he only averages 4-5oz per plant. The tutorials I find on ScrOG dont pack as many plants in any area this small. But no matter if its a bottom or top they all look the same. Please help.

Unfortunately, legal restrictions mean we cant answer grow-related questions or give grow advice on this blog. However, other readers of this blog will often answer questions like yours. Sorry I cant be of more help, and I hope you continue to enjoy the blog!

the very tall landrace sativas (can grow between 4-6 meters tall in most cases), had no problem to stretch to the trellis height and from then on the grower will spread the branches just like in any scrog apparatus.

the very impressive visual effect was taking place just before harvest time, since the heavy buds many times were hanging like grapes above peoples heads nice childhood memories at my mums village (nobody was allowing me to touch though until I was well in my teens, basically 18 and over).

actually I do use it a lot both outdoors and indoors, with much success, whenever I grow autoflowers (I do choose branching varieties). it gives you the chance to tame the wild ruderalis genes to your benefit. with no stress to the plants, you compel them to produce more bud and thc, since they get the maximum equal share of light.

scrog outdoors (or indoors at a place with lots of space) offers the best option to provide a healthy flow of air around the plants. I have my reservations about such a possibility in the cramped space of a growtent, despite the use of fans that can help in this matter.

Hi Im still not sure about topping my plants. I want to scrog next time but topping makes me apprehensive. My plants do grow very tall will topping and a scrog help the plants not grow so tall. I have to alter my lights when they get too tall to get a few more inches of height space. Any info will be a great help thanks???

high frequency screen or feeder | general kinematics

high frequency screen or feeder | general kinematics

The GK High-Frequency Screen or Feeder equipped with the innovative, patent-pending Structural Springs, is a fiscally responsible solution for powder and bulk processing. Structural Springs also function as legs to create a simplified design. The smaller natural frequency motor provides a more cost agreeable solution compared to brute force.

high frequency sizing screens

high frequency sizing screens

Widely used in fine wet screening applications, these high frequency screening machines comprise of up to five individual screen decks positioned one above the other operating in parallel. The stacked design allows for high-capacity units in a small footprint. The flow distributor splits the feed stream evenly to the individual polyurethane screen decks (openings down to 45 pm) where feeders distribute the stream across the entire width (up to 6 m) of each screen. Dual vibratory motors provide uniform linear motion to all screen decks. The undersize and oversize streams are individually combined and exit toward the bottom of the Stacked Sizer. Repulp sprays and trays arc an optional addition in between screen sections, which allow for increased screen efficiency.

By classifying by size-only, screens compared to hydrocyclones, give a sharper separation with multi-density feeds (for example, in PbZn operations), and reduce overgrinding of the dense minerals. Operations that replaced hydrocyclones with stackedhigh frequency screening machines in closing ball mill circuits can result in a decrease in the circulating load from 260% to 100% and 10 to 20% increase in circuit throughput.

The high capacity Stacked Sizing/screening machine consists of up to five decks positioned one above the other and all operating in parallel. Its use together with urethane screen surfaces as fine as 75 microns (200 mesh) has made fine wet screening a practical reality in mineral processing operations worldwide. The application of this technology in closed circuit grinding is demonstrated with specific application examples.

Screening is the process of separating particles by size and fine screening typically refers to separations in therange of 10 mm (3/8) to 38 microns (400 mesh). Fine screening, wet or dry, is normally accomplished with highfrequency, low amplitude, vibrating screening machines with either elliptical or straight-line motion. Various types ofwet and dry fine screening machines and the factors affecting their operation have been discussed previously.In fine particle wet screening, the undersize particles arc transported through the screen openings by the fluid andthe fraction of fluid in the slurry will therefore affect the efficiency of the separation. From a practical standpoint, the feed slurry to a fine screen should be around 20% solids by volume to achieve reasonable separation efficiency. Asmost of the fluid passes through the screen openings rather quickly, the fine screening process can be completed in ashort screen length. Therefore screen width, rather than screen area, is an important design consideration for fine wet screening.

Recognition of this concept led to the development of multiple feed point fine wet screening machines, or example, the Multifeed screen consists of three screen panels mounted within a rectangular vibrating frame and is actually three short screens operating in parallel. Each screen panel has its own feed box and the oversize from each panel flows into a common launder and then to the oversize chute. Similarly, the undersize from each of the three panels flows into the undersize hopper. The popular 1.2 m (4 ft) wide by 2.4 m (8 fl) long version has a total effective width of 3.0 m (10 fl) In general, multiple feed point machines have been shown to have 1.5 to 2 times more capacity than a single feed point machine of equivalent size and screen area.

Expanding further on this concept, the Stacked screening machine was introduced in 2001. With a capacity considerably greater than any other type of fine wet screening machine previously available, the Stack Sizer has up to five vibrating screen decks operating in parallel for a total effective width of 5.1 m (17 ft). The decks are positioned one above the other and each deck has its own feed box. A custom-engineered single or multiple-stage flow distribution system is normally included in the scope of supply to representatively split the feed slurry to each Stacked screen and then to the decks on each machine. Ample space is provided between each of the screen decks for clear observation during operation and easy access for maintenance and replacement of screen surfaces. Each screen deck, consisting of two screen panels in series, is equipped with an undersize collection pan which discharges into a common launder with a single outlet. Similarly, the oversize from each of the screen decks collects in a single hopper with a common outlet large vibrating motors rated at 1.9 kW (2 5 HP) each and rotating in opposite directions produce a uniform high frequency linear motion throughout the entire length and width of all screen decks for superior oversize conveyance.

As mentioned above, the fluid passing through the openings carries the undersize particles through the screen openings. The screening process is essentially complete when most of the fluid has passed through the openings. Any remaining undersize particles adhere to the coarse particles and are misdirected to the oversize product An optional repulping system is available for the Stack Sizer in which spray water is directed into a rubber-lined trough located between the two panels on each deck With this feature, oversize from the first panel is reslurried and screened again on the second panel. This repulping action maximizes the correct placement of undersize particles and its use will depend upon the particular objective of the screening machine.

To date, 1000s of screening machines are in operation at mineral processing plants worldwide. Dry mass flow capacity typically ranges from 100 to 350 t/h. This is roughly equivalent to 3 or 4 of the older style Multi-feed screens discussed above Like all screening machines, capacity depends upon many factors such as screen panel opening, weight recovery to oversize, the amount of near-size particles, particle shape, and slurry viscosity.

Sizers are for high capacity in a short compact machine. Generally you can make good cuts or separations with high efficiency. If you need near absolute 99.9% precision cuts, then a sizer cannot do that, and most inclined screeners also cannot. So that is why it is very important to understand what the separation goal is before selecting a screener. You cannot have high capacity and high accuracy + 99.9 in the same machine! This machine does not exist! A sizer generally can accomplish a similar separation of a single inclined screen in 2 or 3 screens, and 1/3 the length. of course a lot depends on the PSD, and how close the remaining particles are on each side of the desired cut.

mev screener - midwestern industries, inc

mev screener - midwestern industries, inc

The high-frequency screens manufactured by Midwestern can be utilized in many screening applications from rugged quarry and rock sizing to sand and gravel processing and high volume fine mesh screening. With a variety of sizes and screening decks, the versatile MEV Screener can fit numerous applications.

The MEV High-Frequency Screener is a rectangular screener that utilizes an elliptical motion to convey material across itsscreening surface. Available in sizes three-foot by five-foot (3 x 5), four-foot by eight-foot (4 x 8), and five-foot by ten-foot (5 x 10) with the availability of one to five screening decks gives the MEV Screener the versatility to meet your screening needs.

The MEV Screener is designed to retain material at the feed end for a longer period of time and then gently slops the material near the discharge end, assisting itoff the screening deck and into production. This is achieved by the screeners unique parallel-arc configuration. Crossbars support the end-tensioned screens tocreate a flat screening surface, thus maximizing the screening area.

The end-tensioned screens used in the high-frequency screener simplify changing screen panels. End-tensioning permits the use of square-opening and slotted screens and is accurately maintained by a spring-loaded drawbar. Users can make screen changes in 1015 minutes.

Midwesterns commitment to providing our customers with outstanding screening products continues with our full line of replacement rectangular screens. Our screens are manufactured to fit all makes and models of screeners.

vibrating screen, multi deck high frequency screen | h-screening

vibrating screen, multi deck high frequency screen | h-screening

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Vibrating screensare the most important screening machines primarily utilised in the mineral processing industry. They are used to separate slurry feeds containing solid and crushed ores down to approximately 200m in size, and are applicable to both perfectly wetted and dried feed. H-Screening offers high frequency fine screen stakck sizer, linear vibrating screens for fine screening and wet processing, dewatering screens, PLC controlled electromagnetic vibrating fine screen.

grow q&a: screen of green

grow q&a: screen of green

Dear Mac, Screen of Green (ScrOG) is a technique that involves using a horizontal screen across the top of your plant canopy in order to hold branches in place and efficiently filling the space provided by the growlights footprint. The easiest way is to use chicken wire. While your plants are in their vegetative stage, attach the chicken wire above the plants but below your growlight reflector. As the branches grow, tuck them in under the screen placing emphasis on trying to fill the empty areas of the canopy. When the screen is close to full, induce flowering by changing the light cycle to 12 hours on/12 hours off and feed accordingly.

The flowers will grow through the holes in your trellis and fill out the space above the screen very efficiently. The distance between your screen and your pots is determined by how long you plan to vegetate the plants, but its safe to keep the screen at about 2 feet or more below your reflector. As for positioning, most people like to build a simple frame with four posts, one in each corner, to attach the screen onto. Take care when harvesting to cut the flowers out from the wire and not try to pull them through, which may damage the buds.

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