Methods and systems for producing improved hemp seed products, such as proteins and oils are provided.

A method for preparing a pumpable batch composition of stone fruit and/or nut fruit seeds, in particular nuts, almonds or nut and almond mixtures, with the following steps: Breaking open of the already pitted or stoned stone-fruit or nut-fruit seeds first takes place by pre-crushing. A hot air and/or vacuum exposure of the composition arising from the pre-crushing then takes place for the purpose of breaking open its cells. This is followed by a usually single-stage, optionally also multi-stage, further grinding of the composition arising from the pre-crushing and the hot air or vacuum exposure to form a pumpable batch composition.

A machine for cracking and opening pistachio shells per unit, which applies pressure to both ends of the pistachio at the same time with an adjustable depth of pressure, includes is equipped with a chain having perforated pins to which pistachio receptacles are attached. The receptacles are pistachio-sized and receive the pistachios one by one. The machine is equipped with a head with a gear, which drives the chain and passes through the feeder, picks up the pistachios one by one and transports them to the head. When the receptacles reach the head the adaptors hold the pistachio on the receptacles and when the receptacles reach the top of the head, they are pressed by the pressure bearing and press the nuts onto the stranded adaptor and cause them to break or open.

The present invention discloses a multi-station adaptive walnut shell pre-breaking system, comprising a feeding device and a shell pre-breaking device. The feeding device comprises a feeding box, a single-helix twister and a double-helix twister are disposed in the feeding box, the single-helix twister and the double-helix twister rotate in opposite directions, and an adjustable spring partition is disposed below the single-helix twister and the double-helix twister; the shell pre-breaking device comprises a shell pre-breaking box, a plurality of squeezing stations are provided in the shell pre-breaking box, each of the squeezing stations is provided with a shell pre-breaking assembly, the shell pre-breaking assembly comprises a falling U-shaped plate and a squeezing U-shaped plate, a first end of the falling U-shaped plate is hinged to the shell pre-breaking box, a second end of the falling U-shaped plate is pushed to move by a falling cam, the end of the squeezing U-shaped plate opposite to the first end of the falling U-shaped plate is pushed to move by a squeezing cam, the end of the squeezing U-shaped plate opposite to the second end of the falling U-shaped plate is hinged to the shell pre-breaking box, the squeezing cam is in an outer dwell state when the falling cam moves, and the falling cam is in an outer dwell state when the squeezing cam moves.

The present invention discloses a multi-station adaptive walnut shell pre-breaking system, comprising a feeding device and a shell pre-breaking device. The feeding device comprises a feeding box, a single-helix twister and a double-helix twister are disposed in the feeding box, the single-helix twister and the double-helix twister rotate in opposite directions, and an adjustable spring partition is disposed below the single-helix twister and the double-helix twister; the shell pre-breaking device comprises a shell pre-breaking box, a plurality of squeezing stations are provided in the shell pre-breaking box, each of the squeezing stations is provided with a shell pre-breaking assembly, the shell pre-breaking assembly comprises a falling U-shaped plate and a squeezing U-shaped plate, a first end of the falling U-shaped plate is hinged to the shell pre-breaking box, a second end of the falling U-shaped plate is pushed to move by a falling cam, the end of the squeezing U-shaped plate opposite to the first end of the falling U-shaped plate is pushed to move by a squeezing cam, the end of the squeezing U-shaped plate opposite to the second end of the falling U-shaped plate is hinged to the shell pre-breaking box, the squeezing cam is in an outer dwell state when the falling cam moves, and the falling cam is in an outer dwell state when the squeezing cam moves.

The present disclosure provides methods for processing pistachio shells based on cooled, e.g., cryogenic, grinding. In embodiments, such a method comprises grinding raw pistachio shells in a cooled compression milling system, e.g., a cryo-compression milling system, under conditions to provide ground pistachio shells having a D.sub.50 particle size in a range of from 10 μm to 600 μm. Animal nutrition products are also provided. In embodiments, an animal nutrition product configured to be ingested by an animal is provided, the animal nutrition product comprising ground pistachio shells having a D.sub.50 particle size in a range of from 10 μm to 600 μm.

The present disclosure provides methods for processing pistachio shells based on cooled, e.g., cryogenic, grinding. In embodiments, such a method comprises grinding raw pistachio shells in a cooled compression milling system, e.g., a cryo-compression milling system, under conditions to provide ground pistachio shells having a D.sub.50 particle size in a range of from 10 μm to 600 μm. Animal nutrition products are also provided. In embodiments, an animal nutrition product configured to be ingested by an animal is provided, the animal nutrition product comprising ground pistachio shells having a D.sub.50 particle size in a range of from 10 μm to 600 μm.

An integrated machine for processing nuts with hard or soft shells, having a feeding hopper and a processing mechanism suitable for peeling or dehulling the fruit, including screener arranged below the processing mechanism, the screener comprising at least one screen element to separate the product into two levels, where the processing mechanism includes an outlet for the mixture obtained after processing the fruit and arranged in correspondence with a projection of a first inlet end of the screener, and a selector to make a selection by suction applied to at least one level of the screening means.

A cam roller type horizontal extrusion cracking system for walnuts, including feeding, cracking and falling devices fixed accordingly on a stand. The feeding device includes a feeding box; an intermittent feeding roller is arranged therein; one side of the roller includes a feeding baffle plate, the other side includes an adjustable feeding scraper blade mechanism; and opposing feeding slots are formed in the roller. The cracking device includes an extrusion box body; movable and fixed tooth-shaped extrusion plates are oppositely mounted therein; one side of the movable plate opposite the fixed includes an extrusion cam; the plates have a plurality of tooth gaps; a walnut passes through the feeding device, falls into a gap between the plates; the cam drives the movable plate to do a periodic reciprocating motion, to synchronously cooperate with the fixed plate to perform extrusion cracking on the walnut.

A cam roller type horizontal extrusion cracking system for walnuts, including feeding, cracking and falling devices fixed accordingly on a stand. The feeding device includes a feeding box; an intermittent feeding roller is arranged therein; one side of the roller includes a feeding baffle plate, the other side includes an adjustable feeding scraper blade mechanism; and opposing feeding slots are formed in the roller. The cracking device includes an extrusion box body; movable and fixed tooth-shaped extrusion plates are oppositely mounted therein; one side of the movable plate opposite the fixed includes an extrusion cam; the plates have a plurality of tooth gaps; a walnut passes through the feeding device, falls into a gap between the plates; the cam drives the movable plate to do a periodic reciprocating motion, to synchronously cooperate with the fixed plate to perform extrusion cracking on the walnut.