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Self Propelled Windrow Compost Turner For Sale

• Manure compost turner machine: industrialized fermentation treatment of organic solids such as animal manure, domestic garbage, sludge, and crop straws. The equipment fully ferments the uniformity of fermented materials. So that the front of the fermentation tank can be freely put in or taken out of the fermentation method, and wastes such as feces can be retained for a long time.

high moisture materials cruhser effect

• The wet material crusher is a professional crushing equipment for crushing high humidity and multi-fiber materials. Using high-speed rotating blades, crushed fibers have good particle size, high efficiency and high energy. The semi-wet material crusher is mostly used in the production and processing of organic fertilizer, and it has a good effect on crushing raw materials such as chicken manure and sodium humate.

mixng machine

• The mixer has fast mixing speed and good uniformity. It can mix and add 30% viscous materials with liquid. There are two oppositely rotating paddles and rotors when it is working. Because the blade has multiple special angles, it can be mixed quickly and effectively regardless of the shape, size and density of the material. The bottom opening door is adopted for fast unloading speed and less residual quantity.

Pig Manure Granulation Machine

• The organic fertilizer granulator is a molding machine that can make materials into specific shapes. It is widely used in the production of organic fertilizer, bio-organic fertilizer and other fields. According to the structure and working principle, it can be divided into double roller extrusion granulator machine, disc-type granulator, and round shaping granulator machine, new organic fertilizer granulator, etc. For organic fertilizer made from cow dung, we recommend a new type stirring tooth granulator.

Chicken Manure Dryer

• Rotary dryer is mainly composed of rotating body, lifting plate, transmission device, supporting device and sealing ring. Diameter: φ1000-φ4000, length depends on drying requirements. One of the traditional drying equipment is a cylinder that is slightly inclined to the horizontal. The material is added from the higher end, and the high temperature and hot flue gas flows into the cylinder side by side with the material. As the cylinder rotates, the material is due to gravity. Run to the lower end. A copy board is installed on the inner wall of the cylinder to pick up and sprinkle materials. In the process of falling, the material is broken into fine particles by the dispersing device, which increases the contact surface between the material and the airflow, so as to increase the drying rate and promote the advancement of the material. The dried product is collected from the lower part of the bottom end.
• The rotary cooler can reduce the moisture content while cooling to a certain temperature, reduce labor intensity, and increase output. The drum type cooler is driven by the main motor to drive the belt and pulley, which are transmitted to the driving shaft through the reducer, and installed on the driving shaft. The split gears on the upper gear mesh with the large ring gear fixed on the body and work in opposite directions.

Customized Fertilizer Screening Machine in ShunXin

• The drum screening machine adopts a combined screen, which is convenient for maintenance and replacement. The machine has a simple structure, convenient operation and stable operation. The drum screening machine is mainly used to separate the finished product and the returned material, and can also realize the classification of the finished product, so that the finished product is evenly classified.

fertilizer granules coating machine

• The granular fertilizer coating machine is composed of screw conveyor, mixing tank, oil pump, main engine, etc., with powder dusting or liquid coating process, which can effectively prevent the agglomeration of compound fertilizer. The main machine adopts polypropylene lining or acid-resistant stainless steel.

fertilizer single bucket packing machine

• The fertilizer packaging machine is mainly composed of material import, feeding mechanism (gate), weighing hopper, bag clamping mechanism, frame, suction port, pneumatic system, sensor, control box, conveying and sewing mechanism, etc.
• Conveyor: Configure belt conveyor, bucket elevator or screw conveyor according to the actual needs of customers.

The process steps of using livestock manure to make round granular organic fertilizer:

Step 1: Fermentation is mature. Collect the liquid of livestock and poultry manure, mix it with straw, hay, etc. to control the water content of about 65%, and then transport it to the fermentation tank, sprinkle with aerobic fermentation bacteria, and use a hydraulic trough turning machine to fully mix it and let it In the fermentation process, a pile turning machine is used to turn the material into a pile and cool down during the fermentation process.

crawler type compost turner machine

Step 2: Material crushing. The materials decomposed through high temperature are processed by organic fertilizer crusher equipment. The organic fertilizer wet material crusher is a professional crushing equipment for crushing high humidity and multi-fiber materials. The high-speed rotating chain is used to crush the fiber with a good particle size.

semi wet material crusher details

Step 3: Mix and stir. Add trace elements, auxiliary materials, humic acid, clay, etc. to mix and stir. The vertical mixer has a fast mixing speed and good uniformity. It can mix and add 30% viscous materials with liquid. When working, there are two oppositely rotating blades and rotors that are stirred in the middle. The bottom opening door is adopted for fast unloading speed and less residual quantity.

mixng machine

Step 4: Forming and granulating. Use organic fertilizer disc granulator, organic fertilizer stirring teeth pelletizer or new type gear drum three-combination granulator to granulate the material.

Pig Manure Granulation Machine

Step 5: Tumble drying. The organic fertilizer dryer further removes water from the granulated particles to meet the standard requirements of organic fertilizer moisture content.

manure rotary dryer machine in organic fertilizer production line

Step 6: Drum cooling. Use a cooler to cool the dried granular material, which is helpful for the storage and quality of the granules.

Step 7: Screening and material return system. Due to the granular material output by the granulation molding system, the particle size has a certain difference, which needs to be sieved and classified. The selected drum screening machine requires low vibration, low noise, convenient screen change, and is equipped with a screen surface cleaning device.

Customized Fertilizer Screening Machine in ShunXin

Step 8: Particle coating equipment. The coating machine is composed of a screw conveyor, a stirring tank, an oil pump, a main engine, etc., with a powder coating or liquid coating process. It can effectively prevent the agglomeration of fertilizers. The main machine adopts polypropylene lining or acid-resistant stainless steel.

fertilizer granules coating machine

Step 9: Pack the equipment. The granular material is packaged and enters the finished product warehouse through the conveying equipment. Granular materials can be quantitatively weighed and packaged through automatic packaging scales.

single bucket powder fertilizer automatic packing machine

Trough type fermentation turning compost machine, also known as track type turning machine, is suitable for aerobic fermentation and can be used in conjunction with solar fermentation chambers, fermentation tanks, and transfer machines. It can be used with the transfer machine to realize the function of one machine with multiple slots. The matching fermentation tank can continuously or batch fermentation production materials. The trough turning compost machine produced by FPC has the advantages of high efficiency, stable operation, sturdiness and durability, and uniform fermentation. Trough-type fermentation compost turning machine is an indispensable equipment for pig farms to achieve zero emissions. In order to meet the qualified evaluation criteria of the environmental impact of the pig farm, this equipment is needed. It can not only meet the needs of the pig house, but also bring additional income to the pigs, convert the manure into organic fertilizer for sale, and increase the manure. the value of.

Groove type compost turner in stock

The use of animal manure compost turning machine can give full play to the function of mixing materials. In the fermentation process of organic fertilizer raw materials, a certain amount of organic fertilizer starter needs to be added to meet the requirements of water, acid and alkali. The turning compost machine can make the mixing operation uniform and achieve the purpose of thorough mixing. It can also improve the air permeability of the raw materials, make the raw materials fluffy and disperse, can absorb oxygen in the air, and accelerate the increase of the temperature of the fertilizer pile. If the temperature is too high, the temperature can be lowered even if the turning and polishing machine is used to control the temperature, thus forming an alternating state of medium, high and low temperature, which is beneficial to the growth and reproduction of microorganisms.

on-site groove type compost turning machine

The groove-type compost turning machine is composed of driving device, lifting device, walking device, turning and polishing gear, transfer machine and other main components. The motor directly transmits the power to the cycloid reducer, and then turns and rolls through the sprocket. The mixing blades on the main shaft are distributed in a spiral shape. The materials in the fermentation tank can be rotated and stirred to a distance of 1m, which has the effect of rapid rotation and uniform mixing, realizing full contact between the materials and the air, and making the fermentation effect of the materials better.

With the global emphasis on environmental protection, it is required that farms must do harmless treatment of the manure produced, especially in the chicken and pig industries. Most chicken farms are preferred. However, the vast majority of the global chicken industry are small and medium-sized. This means that the market for small-scale chicken manure organic fertilizer production equipment is increasing year by year, so how much does a small-scale chicken manure organic fertilizer production equipment cost? Become a focus of the chicken industry.

Process for Making Powdery Organic Fertilizer from Chicken Manure

A complete set of chicken manure organic fertilizer production equipment is mainly composed of fermentation and granulation, and it is precisely because these two parts affect the overall price of the organic fertilizer production equipment sales industry. For example, small chicken farms do not produce a lot of chicken manure per day. At this time, as a responsible organic fertilizer production equipment sales company, users will be advised to purchase only the fermentation compost turning machine. In this way, farmers only need to invest a small amount of money to meet the needs of the harmless treatment of chicken manure.

For larger and medium-sized chicken farms, old manufacturers and experienced sales staff generally propose custom organic fertilizer equipment. This is because the amount of chicken manure processed is different, the feeding method is different, the surrounding environment is different, and the customer’s budget is different, etc., directly affect the specific configuration of the complete set of chicken manure organic fertilizer production equipment and how much money is required.

complete organic fertilizer production line

The following takes the production of commercial chicken manure organic fertilizer as an example. In simple terms, it can be summarized into the following three commonly used configurations.

• High configuration: early fermentation part (chicken manure dehydrator, fermentation compost turning machine); late granulation part (semi-wet materialscrusher, horizontal mixing equipment, organic fertilizer pelleting machine, drum drying machine, cooler, drum screen extension, wrapping machine, packaging machine equipment, belt conveyor, etc.).
• Medium configuration: early fermentation part (manually processed by yourself); late granulation part (semi-wet material pulverizer, horizontal mixer, organic fertilizer granulator, dryer, cooler, drum screening machine,packaging machine equipment, Belt conveyor, etc.).
• Low configuration: early fermentation part (manual processing); late granulation part (semi-wet materialscrusher, horizontal mixer, granulator/drum screening machine, packaging machine equipment).

For small private chicken farms, if the problem of sales channels can be solved, for example, local and surrounding sales. It is not necessary to use the above commercial organic fertilizer equipment configuration. You only need to buy a fermentation turning machine suitable for the processing capacity. If you need to add organic materials such as straw, vegetation, and medicine residue during the fermentation of the chicken manure compost, then buy a grinder; if you want to make the fermented chicken manure organic fertilizer The appearance is better, you can buy another drum screening machine.

powder organic fertilizer production line

Through this method of purchasing organic fertilizer production equipment with more refunds and less supplements, the purchase cost of small-scale chicken manure organic fertilizer production equipment can be greatly reduced, and the need for harmless treatment of chicken manure can be met. Because it is sold nearby, the fermented chicken manure organic fertilizer does not need to be pelletized, which saves the investment of purchasing pelletizer production line equipment.

Finally, answer the question at the beginning of the article. There is no detailed answer to the question of how much small chicken manure organic fertilizer production equipment costs, because the organic fertilizer production equipment used in different situations is different, and the price of each additional equipment varies greatly. It is recommended that you seek detailed consultation with a strong old manufacturer before purchasing. FPC is an established organic fertilizer equipment manufacturer. We have been dedicated in equipment and production line design and production over 15 years. We can provide you with the professional suggestions. https://www.fertilizerplantcost.com/550000usd-organic-fertilizer-production-line-price/

Organic fertilizer chain plate type whole groove turning machine has obvious effect on promoting the maturity of organic fertilizer fermentation. The slot width of the trough chain plate turning machine ranges from 2 meters to 12 meters. The fermentation cycle is short, daily processing and annual production capacity are large. There is no need to configure a high-pressure forced oxygen supply system. There is no dead corner to supplement the material with oxygen. The material layer has strong penetrating power of oxygen supply, and the alcohol is evenly distributed, which can make the material move in the trough, and can also automatically discharge the material when it is stacked. The innovation of the machine is to make full use of the design of the deep pond to realize automatic discharge, and to use the limited ground area to use organic waste to treat large-scale harmlessly has become a reality.

SEEC chain plate type compost turner for hadling waste

The advantages of the trough chain plate turning machine are specifically manifested in:

• The lifting chain of the chain-plate turning compost turner adopts a special chain, which has a long service life and is safe and reliable; the lifting mechanism is hydraulically driven, and the operation is stable and reliable.
• The chain-plate type turning compost machine adopts intelligent and automatic control of the turning process of the fermentation material. The design of one machine and multiple tanks realizes the integrated innovation of large-scale production, with small floor space, low energy consumption, large production capacity, and stacking speed. Fast, wide adaptability of raw materials, stable product quality.
• The chain-plate stacker has a larger equipment span and a deeper throwing scale. When turning, the material stays on the pallet for a long time, is scattered at a high position, is in full contact with the air, and is easy to fall off. Through the horizontal and vertical displacement, the turning operation at any position in the tank can be realized, and it is flexible.
• Adopting tank-type continuous aerobic fermentation technology to quickly decompose, dewater, sterilize, and deodorize organic wastes to achieve the purpose of harmlessness, resource utilization and reduction treatment. The fermentation cycle is short and the energy consumption is low. , Product quality is stable.
• The chain-plate stacker does not need external ventilation, provides sufficient oxygen, inhibits anaerobic bacteria, and thoroughly controls the occurrence of odor.
• Equipped with a moving machine to change the slot can realize the multi-slot operation of a turning compost equipment.

chain plate type compost turner

There are many types of chain plate type compost turner in FPC. Welcome to our website for detailed consultation. https://www.fertilizerplantcost.com/chain-plate-type-compost-turner/

large scale wheel type compost turning machine

When we produce pig manure organic fertilizer, the first equipment we need is the fermentation turning machines, and it is also an indispensable equipment in the organic fertilizer fermentation process. There are many types of pig manure compost turning machines, and of course the prices are different. The factors affecting prices are mainly these aspects.

• Manufacturer

Manufacturer factors will lead to certain price differences. Generally, large and powerful manufacturers are more standardized when manufacturing equipment. In order to build a good user reputation for their own enterprises, they are often more cautious when selecting raw materials and the quality of raw materials will be screened to a certain extent. . The pig manure compost turner machine produced is of better quality, low failure rate and good use effect. But the price is often a bit more expensive than some second-rate small factories, because small manufacturers are likely to work hard on the cost of raw materials in order to reduce costs and increase competitiveness.

• Different methods of fermentation equipment

Fermentation methods of organic fertilizers are divided into three categories, windrow-type fermentation, trough-type fermentation, and fermenter fermentation. The fermentation equipment used in each fermentation method is different. The strip type fermentation uses a self-propelled compost turning machines, the trough type fermentation uses a trough type compost turner machine, and the fermentation tank fermentation uses a special organic fertilizer fermentation tank. The prices of the three are generally the most expensive fermentation tanks, followed by self-propelled fermentation, and trough fermentation is the cheapest and most commonly used.

• Hourly output of equipment

After determining the fermentation method, the selection must be narrowed down to a certain category. Then you have to choose specific equipment specifications based on your predicted annual output, such as trough turning machines, with widths ranging from 3 to 10 meters. The larger the output, the larger the size of the equipment you choose. The price of pig manure turning machine under 5 meters is 5,000-8,000 dollars, and the price of more than 5 meters is more expensive 8,000-17,000 dollars. Therefore, the final equipment price is determined by production capacity and output.

As mentioned above, we have a certain understanding of the price of pig manure composting turner machines. In summary, when selecting equipment, we must find a strong manufacturer. There will be a certain guarantee in terms of equipment manufacturing technology and quality, so as to avoid cheap and expensive equipment. There are a lot of troubles, and then we must determine the fermentation method and output to choose a suitable pig manure turning machine.FPC swine manure compost turner will be your best choice.

In recent years, in order to further protect the ecological environment and reduce air pollution, the use of chicken dung, cow dung, pig dung and other poultry and livestock manure has been promoted to replace chemical fertilizers in organic fertilizers. The establishment of a fertilizer processing plant with organic fertilizer equipment has been rewarded with great returns. So, how much does it cost to run a large-scale organic fertilizer production line with an annual output of 50,000 to 100,000 tons?

A complete set of large-scale livestock separation organic fertilizer production lines with an annual output of 50,000-100,000 tons include: forklift feeder, composting turner, vertical crusher, drum screening machine, dynamic batching machine, granulator, rounding machine, dryer, cooler, coating machine, automatic quantitative packaging scale.

First, use a solid-liquid separator to control the moisture content of the animal manure below 85%, then add straw, rice bran, corn flour and other auxiliary materials. After fully mixing with a mixer, shovel it into the fermentation groove with a forklift, and use organic fertilizer to turn it. The materials pile is fully fermented and decomposed; using the conveyor belt between the equipment, it is transported to the grinder for pulverization, and then sent to the organic fertilizer granulator for granulation. The produced particles have high water content and are dried by the dryer before entering the cooler cools the pellets and improves the strength of the pellets. Then it is sent to the drum sieving machine to screen out the unqualified particles, and then carry out the secondary granulation. After the qualified, the packaging machine is used for packaging and the finished product is produced.

The complete process of making bio-organic fertilizer:

• Ground strip pile, use ground turning machine, or put materials in fermentation tank, use trough type turning and throwing machine.
• Evenly sprinkle the organic fertilizer starter, turn the pile and ferment to reach the temperature, smell, decompose, and pick up the weeds and grass seeds.
• Fermentation for 7-12 days, depending on the temperature in different places, how many times is it?No the same.
• Completely fermented and decomposed, out of the pool (the ground type is directly piled up with a forklift).
• Use a grading sieve for coarse and fine screening (the powdered fertilizer that has been screened can be sold directly).
• After crushing the sieved large pieces with afertilizer pulverizer, return to the grading sieve.
• Mix the raw materials, add the quantity of each raw material in strict accordance with the requirements of the technicians, and add various raw materials in the electronic belt scale or batching machine.
• The crushed raw materials enter the aggregate belt conveyor, and then granulate with a granulator.
• It is sent to the animal separation organic fertilizer dryer, which adopts the method of cylindrical edge transfer, flange connection and direct heat transfer, which is suitable for drying the compound fertilizer after granulation.
• Enter the cooler for cooling. The rotary cooler is mainly used to cool the dried compound fertilizer products, and can directly cool the hot granular fertilizer to close to normal temperature.
• Screening is performed again, and the separated large particles are crushed by the large particle crusher, and enter the return belt together with the separated fine powder, and then return to the granulator for granulation.
• The finished product is lifted to the material box on the packaging machinethrough the belt conveyor, and discharged into the scale body according to the set weight for automatic weighing operation, and finally the finished product is packaged and sold.

Each type of production line has its own characteristics. What kind of organic fertilizer is suitable for making what kind of organic fertilizer equipment is needed. For example, the disc and rotating gear production line must be equipped with a drying and cooling machine, and use hot air to dry the organic fertilizer, and then use a cold air exhaust system to cool the organic fertilizer, so that the hardness of the particles will be better. Users can customize the appropriate configuration according to their needs. The organic fertilizer production line has different equipment configurations according to different raw materials. You can also make a suitable plan according to the investment budget. The price of the organic fertilizer production line with different yields is also different. The investment in running a large-scale organic fertilizer production line is not small, but the return on profits is also considerable, and the results of the operation are good, and the cost can be recovered within two years.

Here is the best solution of machine selection for $110,000 organic fertilizer production line. Welcome to our website to get detailed information. https://www.fertilizerplantcost.com/110000-usd-organic-manure-making-machine-price/

FPC crawler-type compost turner equipment is a kind of large-scale windrow fermentation machine, with full hydraulic operating system, tie-rod steering wheel operation, crawler type walking, sturdy and durable, strong power, large output, strong dumping ability, hydraulic lifting of the turning drum adjustment, high degree of automation, simple operation and easy to master. It is a professional turning equipment for the aerobic fermentation of organic materials into organic fertilizer.

Performance characteristics

The ground stacking fermentation mode is currently the most economical fertilizer mode for civil engineering and human resources. The materials need to be piled into long strips, and the materials are stirred and broken regularly by the compost turner, and the organic matter is decomposed under aerobic conditions. It also has the function of crushing, which greatly saves time and labor, greatly improves the production efficiency and product quality of the organic fertilizer plant, and greatly reduces the cost. When the compost turning machine is working, it can effectively mix sludge, viscous chicken manure and other materials with strains and straw powder evenly. Create a better aerobic environment for the fermentation of materials. Not only is it much faster than deep tank fermentation, but it also effectively prevents the generation of harmful and odorous gases such as hydrogen sulfide, amine gas, indole, etc. during the fermentation process, which meets environmental protection requirements

Working principle

Bio-organic fertilizer composting machine is a bio-organic fertilizer that uses the principle of oxygen-consuming fermentation to produce environmentally friendly and soil-improving bio-organic fertilizer from poultry manure, agricultural waste, sugar factory filter sludge, sludge, domestic garbage and other pollutants. It can achieve one-day temperature rise, 3-5 days deodorization, sterilization (can completely kill eggs, bacteria, etc. in the feces), and seven days to become fertilizer. It is faster and more efficient than other mechanical fermentation methods. Some auxiliary facilities can also be added according to customer requirements, such as automatic sprinkling devices.

Click here to find out more information about the crawler type compost turning machine. https://www.fertilizerplantcost.com/crawler-type-compost-turner/

What Is the Principle of Making Organic Fertilizer by Self-Propelled Turning Machine?

The self-propelled compost turning machine adopts hydraulic transmission, adopts domestic advanced high-power diesel engine, four-speed operation, and controllable turning width, which can effectively combine the crushing, mixing and stirring of bio-organic materials to provide a better aerobic environment for the fermentation of materials.

Introduction to the operation steps of the self-propelled turning compost machine

• Mix the straw, manure and fermented organic fertilizer bacteria liquid and stir evenly;
• Pile up the mixed materials and cover them with straw mats. Please note that the organic fertilizer fermentation is aerobic fermentation, and there is no need to build a completely sealed factory building or a large covered roof.
• Adjust the water content, and the humidity of the mixture should be 40%-50%. The judgment method is: knead the mixture into a ball without dripping, and then loosen it to disperse.
• Automatically advanced turning machine turns and mixes. Usually, it needs to be turned over on the third day of fermentation. If you need to match the corresponding fermentation auxiliary materials during the fermentation, you can sprinkle the starter of the fermented organic fertilizer to help the fermentation; the same operation can be carried out on the seventh day until the fermentation is completed; usually, the decomposition of the organic fertilizer can be 10-15 Finished in days.

Advantages of self-propelled turning compost machine

• The design concept of ergonomics, mechanical substitution of labor, and people-oriented emphasizes human-machine coordination, simplifies operating procedures, and improves the overall safety of product design.
• Product intelligence has begun to take shape. Self-propelled turning compost machines, as the main equipment type for fermentation turning compost operations, must adapt to the increase in costs brought about by the rapid increase in labor costs, and realize intelligence under the impact of new technologies, new processes and new requirements.
• Pay attention to the processing and production of product details, which inevitably requires improving the overall stability and quality of the product. How to make the self-propelled turning machine stand out in the future competition? So quality is the lifeline of the product. Only through the continuous improvement of product quality, the coordination of people and equipment, and the continuous optimization of product details, can the self-propelled trigger adapt to the needs of organic fertilizer processing plants under the new form and improve user experience.

FPC produces two types of self-propelled compost turner machines. They are crawler type compost turner and movable compost turner. Click this link to get more information about this fermentation machine. https://www.fertilizerplantcost.com/self-propelled-compost-turner/

Compared with the traditional trough-type compost turning machine, the large-scale wheel type compost turning machine has a new breakthrough in the problem of the turning span. From the perspective of energy saving, the wheel type turning machine is highly efficient. The energy-saving transmission mechanism drives two large-diameter turning wheels. Therefore, the wheel type-type turning and machine can turn organic materials without dead ends. The FPC wheel type fermentation machine is equipped with an adjustable speed displacement trolley to complete the large-span tipping operation with low energy consumption.

The hydraulic lifting system of the wheel type compost turner machine can automatically lift the turning plate to ensure that the equipment can move without obstacles. In addition, the supporting fully automated electrical control system further ensures that the equipment is easy to operate, safe and stable, and different models can be customized according to customer needs.

Compared with the traditional trough-type compost turner machine, the 20-meter large-span wheel type compost turning machine greatly saves space. It has no dead ends, wide turning range, deep turning depth, uniform turning, and high turning efficiency. The wheel type trough type turning machine is suitable for aerobic fermentation and can be used in conjunction with solar fermentation chambers, fermentation tanks and moving machines. It can be used with the moving machine to realize the function of one machine with multiple slots. It can be used for continuous discharging and batch discharging with the matching stale grains, with high efficiency, stable operation, firmness and durability. The control cabinet is centrally controlled, which can realize manual or automatic control functions. The shovel is sturdy and durable, and has certain functions of breaking and mixing materials. The limit travel switch plays a safety and limit function.

FPC manufactures many specifications of wheel type compost turner machine for organic fertilizer production customers. Welcome to our official website to get efficient organic fertilizer fermentation machines. https://www.fertilizerplantcost.com/groove-type-compost-turner/