CN106666796A - Pellet feed production device and method - Google Patents
Pellet feed production device and method Download PDFInfo
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- CN106666796A CN106666796A CN201710048953.9A CN201710048953A CN106666796A CN 106666796 A CN106666796 A CN 106666796A CN 201710048953 A CN201710048953 A CN 201710048953A CN 106666796 A CN106666796 A CN 106666796A
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- straw powder
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- 239000008188 pellet Substances 0.000 title claims abstract description 88
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 203
- 239000010902 straw Substances 0.000 claims abstract description 185
- 239000000843 powder Substances 0.000 claims abstract description 161
- 238000002156 mixing Methods 0.000 claims abstract description 122
- 239000002245 particle Substances 0.000 claims abstract description 31
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000001816 cooling Methods 0.000 claims description 41
- 239000000203 mixture Substances 0.000 claims description 41
- 239000000428 dust Substances 0.000 claims description 37
- 238000005303 weighing Methods 0.000 claims description 23
- 230000003139 buffering effect Effects 0.000 claims description 16
- 230000009471 action Effects 0.000 claims description 15
- 238000005469 granulation Methods 0.000 claims description 14
- 230000003179 granulation Effects 0.000 claims description 14
- 238000012216 screening Methods 0.000 claims description 12
- 230000005484 gravity Effects 0.000 claims description 10
- 238000005520 cutting process Methods 0.000 claims description 9
- 241000209140 Triticum Species 0.000 claims description 7
- 235000021307 Triticum Nutrition 0.000 claims description 7
- 240000008042 Zea mays Species 0.000 claims description 7
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 claims description 7
- 235000002017 Zea mays subsp mays Nutrition 0.000 claims description 7
- 235000005822 corn Nutrition 0.000 claims description 7
- 235000019764 Soybean Meal Nutrition 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- 235000013312 flour Nutrition 0.000 claims description 6
- 235000012054 meals Nutrition 0.000 claims description 6
- 239000004455 soybean meal Substances 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 235000013339 cereals Nutrition 0.000 claims description 4
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 239000004576 sand Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 description 14
- 239000002184 metal Substances 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 235000011868 grain product Nutrition 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 239000008187 granular material Substances 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005453 pelletization Methods 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 235000012041 food component Nutrition 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 244000068988 Glycine max Species 0.000 description 1
- 235000010469 Glycine max Nutrition 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000003975 animal breeding Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 102000038379 digestive enzymes Human genes 0.000 description 1
- 108091007734 digestive enzymes Proteins 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
- A23N17/005—Apparatus specially adapted for preparing animal feeding-stuffs for shaping by moulding, extrusion, pressing, e.g. pellet-mills
-
- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23N—MACHINES OR APPARATUS FOR TREATING HARVESTED FRUIT, VEGETABLES OR FLOWER BULBS IN BULK, NOT OTHERWISE PROVIDED FOR; PEELING VEGETABLES OR FRUIT IN BULK; APPARATUS FOR PREPARING ANIMAL FEEDING- STUFFS
- A23N17/00—Apparatus specially adapted for preparing animal feeding-stuffs
- A23N17/007—Apparatus specially adapted for preparing animal feeding-stuffs for mixing feeding-stuff components
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/80—Food processing, e.g. use of renewable energies or variable speed drives in handling, conveying or stacking
- Y02P60/87—Re-use of by-products of food processing for fodder production
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Animal Husbandry (AREA)
- Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
Abstract
The invention provides a pellet feed production device and method. The device comprises a smashing machine, a mixing machine, a compressor and a granulator. The smashing machine is used for smashing to-be-smashed straw into straw powder and outputting the straw powder. The mixing machine is used for obtaining auxiliary materials, receiving the straw powder output by the smashing machine, stirring the straw powder and the auxiliary materials for a set period of time to form a mixed material and outputting the mixed material. The compressor is used for compressing the mixed material output by the mixing machine so that the molecular distance between every two adjacent particles can be reduced and a blocky compressed material can be formed and output. The granulator is used for producing pellet feed by means of the blocky compressed material output by the compressor and outputting the pellet feed. By means of the technical scheme, the yield of the pellet feed can be increased.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to a pellet feed production device and a pellet feed production method.
Background
With the continuous development of the animal breeding industry towards scale and industrialization, the demand of the pellet feed is continuously increased.
At present, the traditional pellet feed production equipment mainly comprises a crusher, a mixer and a granulator. Specifically, the pulverizer may pulverize the raw material into particles of a relatively small size (e.g., not larger than 2mm), and output; the mixer supplies steam to the granular raw materials output by the crusher, simultaneously stirs the received granular raw materials, modifies the granular raw materials, and outputs the modified granular raw materials; the granulator can utilize the prepared granular raw materials to generate the granulated feed.
However, the traditional feed production equipment mainly takes grain products such as corn, soybean and wheat as raw materials, and under the condition of short supply of the grain products, the yield of the granulated feed is reduced; simultaneously, among the traditional feed production equipment, the granulator directly utilizes the material of mixing machine output to produce pellet feed, and when the granular raw and other materials were the higher straw powder of fibre content, the molecular spacing was great between the different granules in the straw powder, and when the granulator utilized straw powder to generate pellet feed, the difficult shaping of granule. Therefore, the yield of pellet feed is extremely low.
Disclosure of Invention
The embodiment of the invention provides pellet feed production equipment and method, which can improve the yield of pellet feed.
In a first aspect, the present invention provides a pellet feed production apparatus comprising:
pulverizers, mixers, compressors, and granulators; wherein,
the pulverizer is used for pulverizing the straw to be pulverized into straw powder and outputting the straw powder;
the mixer is used for obtaining auxiliary materials, receiving the straw powder output by the pulverizer, stirring the straw powder and the auxiliary materials for a set time length to form a mixture, and outputting the mixture;
the compressor is used for compressing the mixed material output by the mixer so as to reduce the molecular distance between every two adjacent particles in the mixed material, form a blocky compressed material and then output the blocky compressed material;
the granulator is used for producing granulated feed by utilizing the blocky compressed materials output by the compressor and outputting the granulated feed.
Preferably, the first and second electrodes are formed of a metal,
further comprising: a weighing device;
then, the mixer, comprising: a mixing buffer bin and a mixing bin; the mixing and buffering bin is provided with a first feeding hole, a second feeding hole and a control gate;
the first feed inlet is used for obtaining auxiliary materials;
the second feed inlet is used for receiving the straw powder output by the pulverizer;
the mixing buffer bin is used for storing the auxiliary materials obtained by the first feeding hole when the control gate is in a closed state; when the control gate is in a closed state, storing the straw powder received by the second feeding hole;
the weighing device is used for determining a first weight parameter of the auxiliary materials stored in the mixing buffer bin; determining a second weight parameter of the straw powder stored in the mixing buffer bin;
the control gate is used for enabling the auxiliary materials or the straw powder stored in the mixing buffer bin to enter the mixing bin under the action of gravity when the control gate is in an open state;
the mixing bin is used for stirring the entering straw powder and the auxiliary materials for a set time length to form a mixture and outputting the mixture.
Preferably, the first and second electrodes are formed of a metal,
further comprising: a housing having an interior space divided into an upper mounting area and a lower mounting area; wherein,
the weighing device, the pulverizer, the compressor and the mixing bin are all arranged in a lower mounting area of the shell;
the granulator and the mixing buffer bin are both arranged in an upper mounting area of the shell.
Preferably, the first and second electrodes are formed of a metal,
further comprising: the device comprises a first bucket elevator, a first screw conveyor, a second bucket elevator, a granulation buffer bin and a feeder; wherein,
the granulating buffer bin and the feeder are both arranged in an upper mounting area of the shell;
the first bucket elevator is used for receiving the straw powder output by the pulverizer in the lower mounting area, lifting the received straw powder to the upper mounting area, and then dumping the straw powder;
the first screw conveyor is used for receiving the straw powder poured by the first bucket elevator and driving the received straw powder by using a screw thrust force so that the received straw powder moves into the mixing buffer bin;
the second screw conveyor is used for receiving the mixture output by the mixing bin and driving the received mixture to move into the compressor by screw thrust;
the second bucket elevator is used for receiving the blocky compressed materials output by the compressor in the lower mounting area, lifting the received blocky compressed materials to the upper mounting area, and then dumping the blocky compressed materials to the granulation buffer bin;
the feeder is used for driving the compressed materials in the granulating buffer bin to enter the granulator.
Preferably, the first and second electrodes are formed of a metal,
further comprising: the system comprises a sand-dragon, a first bag-type dust collector and a third spiral conveyer; wherein,
the sand dragon is used for acquiring the straw powder output by the pulverizer, purifying the acquired straw powder, supplying the purified straw powder to the first bucket elevator in the lower mounting area, and discharging purified air flow generated during purifying the straw powder;
the first bag-type dust collector is used for obtaining straw powder carried in the purified air flow discharged by the shakelong and providing the obtained straw powder to the third spiral conveyor;
and the third spiral conveyer is used for driving the straw powder provided by the first bag-type dust collector to enter the mixing buffer bin by using spiral thrust.
Preferably, the first and second electrodes are formed of a metal,
further comprising: the cooling device, the fourth spiral conveyer and the second bag-type dust collector; wherein,
the cooling device is used for cooling the granulated feed output by the granulator and outputting the cooled granulated feed; and a cooling air flow generated when the granulated feed is cooled is outputted;
the second bag-type dust collector is used for obtaining granulated feed carried in the cooling air flow output by the cooling device and providing the obtained granulated feed to the fourth spiral conveyor;
and the fourth spiral conveyor is used for driving the granulated feed provided by the second bag-type dust collector to enter the granulating buffer bin by spiral thrust.
Preferably, the first and second electrodes are formed of a metal,
further comprising: a screening device and a feeding fan; wherein,
the screening device is used for screening the granulated feed output by the cooling device so as to respectively output the granulated feed with the particle size larger than a set threshold value and the granulated feed with the particle size not larger than the set threshold value;
the feeding fan is used for driving granulated feed with the grain size not larger than a set threshold value to enter the second bag-type dust collector by wind power;
the second bag-type dust collector is further used for supplying the granulated feed entering under the driving of the feeding fan to the fourth spiral conveyer.
Preferably, the first and second electrodes are formed of a metal,
the compressor, comprising: a feeder, at least one pusher, at least one sleeve, and a cutting device; wherein,
a cavity with the cross section area gradually reduced from the first end to the second end is arranged in the sleeve;
the cavity of each sleeve is provided with a corresponding propeller;
the feeder is connected to a first end of each of the sleeves;
the feeder is used for receiving the mixed materials output by the mixer and respectively feeding the received mixed materials into the cavities from the first end of each sleeve;
each propeller is used for conveying the mixed material entering from the first end of the corresponding sleeve to the second end of the sleeve and discharging the mixed material so as to compress the mixed material;
the cutting device is used for cutting the compressed mixed materials discharged from the second ends of the sleeves to form blocky compressed materials and outputting the blocky compressed materials;
and/or the presence of a gas in the gas,
the auxiliary materials comprise: a feed binder, and any one or more of soybean meal, corn meal, and wheat flour.
In a second aspect, embodiments of the present invention provide a pellet feed production method, including:
crushing the straw to be crushed into straw powder;
obtaining auxiliary materials, and stirring the straw powder and the auxiliary materials for a set time length to form a mixture;
compressing the mixture to reduce the molecular distance between every two adjacent particles in the mixture and form a blocky compressed material;
the granulated feed is produced by utilizing the massive compressed material.
Preferably, the first and second electrodes are formed of a metal,
the water content of the straw to be crushed is not more than 20 percent; and the water content of the auxiliary materials is not more than 33%;
and/or the presence of a gas in the gas,
the particle size of the auxiliary material is not more than 2 mm;
and/or the presence of a gas in the gas,
the particle size of the straw powder is not more than 8 mm;
the auxiliary materials comprise: a feed binder, and any one or more of soybean meal, corn meal, and wheat flour.
The embodiment of the invention provides a pellet feed production device and a pellet feed production method, wherein a pulverizer can pulverize straws to be pulverized into straw powder and output the straw powder, a mixer can obtain auxiliary materials, the straw powder and the auxiliary materials output by a keyboard pulverizer with set duration can be fully mixed and then output, a compressor can compress a mixed material output by the mixer, the molecular distance between every two adjacent particles in the mixed material is reduced, a block-shaped compressed material is formed and then output, and a granulator can utilize the block-shaped compressed material output by the compressor to produce pellet feed. In summary, on one hand, the device can produce the granulated feed by using the straws as raw materials, so that the production of the granulated feed does not depend on grain products completely; on the other hand, before the granulator utilizes the straw powder to produce the granulated feed, the straw powder and the auxiliary materials are compressed by the compressor and the massive compressed material is output, and when the granulator uses the massive compressed material to produce the granulated feed, the forming rate of the granulated feed is extremely high; therefore, the technical scheme provided by the embodiment of the invention can improve the yield of the pellet feed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic view showing the structure of a pellet feed producing apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view showing the structure of another pellet feed producing apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the installation positions of the devices in the housing of the pellet feed producing apparatus according to the embodiment of the present invention;
FIG. 4 is a schematic structural view of another pellet feed producing apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of still another pellet feed producing apparatus according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a compressor according to an embodiment of the present invention;
FIG. 7 is a flow chart of a method for producing a pellet feed in accordance with an embodiment of the present invention;
fig. 8 is a flow chart illustrating a method for producing granulated feed using the granulated feed producing apparatus according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer and more complete, the technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention, and based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides a pellet feed production apparatus, including:
a pulverizer 101, a mixer 102, a compressor 103, and a granulator 104; wherein,
the pulverizer 101 is used for pulverizing the straw to be pulverized into straw powder and outputting the straw powder;
the mixer 102 is used for obtaining auxiliary materials, receiving the straw powder output by the pulverizer 101, stirring the straw powder and the auxiliary materials for a set time length to form a mixture, and outputting the mixture;
the compressor 103 is used for compressing the mixed material output by the mixer 102, so that the molecular distance between every two adjacent particles in the mixed material is reduced, a blocky compressed material is formed, and then the compressed material is output;
the granulator 104 is used for producing granulated feed by using the massive compressed materials output by the compressor 103 and outputting the granulated feed.
In the above embodiment of the invention, the pulverizer can pulverize the straw to be pulverized into straw powder and output the straw powder, the mixer can obtain the auxiliary material, and the straw powder and the auxiliary material output by the keyboard pulverizer with a set duration can be fully mixed and then output, the compressor can compress the mixture output by the mixer, so that the molecular distance between every two adjacent particles in the mixture is reduced, a block-shaped compressed material is formed and then output, and the granulator can utilize the block-shaped compressed material output by the compressor to produce the granulated feed. In summary, on one hand, the device can produce the granulated feed by using the straws as raw materials, so that the production of the granulated feed does not depend on grain products completely; on the other hand, before the granulator utilizes the straw powder to produce the granulated feed, the straw powder and the auxiliary materials are compressed by the compressor and the massive compressed material is output, and when the granulator uses the massive compressed material to produce the granulated feed, the forming rate of the granulated feed is extremely high; therefore, the technical scheme provided by the embodiment of the invention can improve the yield of the pellet feed.
Further, in order to facilitate the workers to control the weight ratio of the straw powder to the auxiliary materials so as to ensure the quality of the produced granulated feed, as shown in fig. 2, an embodiment of the present invention further includes: a weighing device 201;
then, the mixer 102 includes: a mixing surge bin 1021 and a mixing bin 1022; wherein, a first feeding hole (not shown in the drawing), a second feeding hole (not shown in the drawing) and a control gate (not shown in the drawing) are arranged on the mixing buffering bin 1021;
the first feed inlet is used for obtaining auxiliary materials;
the second feed inlet is used for receiving the straw powder output by the pulverizer 101;
the mixing buffer bin 1021 is used for storing the auxiliary materials obtained by the first feeding hole when the control gate is in a closed state; when the control gate is in a closed state, storing the straw powder received by the second feeding hole;
the weighing device 201 is configured to determine a first weight parameter of the auxiliary materials stored in the mixing and buffering bin 1021; determining a second weight parameter of the straw powder stored in the mixing buffer bin 1022;
the control gate is used for enabling the auxiliary materials or the straw powder stored in the mixing buffer bin 1021 to enter the mixing bin 1022 under the action of gravity when the control gate is in an open state;
the mixing bin 1022 is used for stirring the entering straw powder and the auxiliary materials for a set time length to form a mixture and outputting the mixture.
In the embodiment of the invention, the mixing buffer bin and the weighing device are arranged, so that the weight proportion coefficient of the straw powder and the auxiliary materials entering the mixing bin can be strictly controlled, the proportion of each nutritional component in the granulated feed can be strictly controlled, and the quality of the produced granulated feed can be ensured.
For example, a mixing buffer bin and a mixing bin which are not internally provided with straw powder or auxiliary materials can be weighed by a weighing device to determine a weight parameter a of the mixing buffer bin and the mixing bin; then controlling a control gate of the mixing buffer bin to be in a closed state, acquiring the auxiliary material by using a second feed port of the mixing buffer bin, weighing the acquired auxiliary material, the mixing buffer bin and the mixing bin by using a weighing device, and stopping acquiring the auxiliary material by using the second feed port of the mixing buffer bin after determining that the weight of the acquired auxiliary material, the weight of the mixing buffer bin and the weight of the mixing bin reach a weight parameter b, namely determining that the weight parameter of the auxiliary material acquired by the second feed port is b-a; then controlling a control gate of the mixing buffer bin to be in an open state, so that the auxiliary materials in the mixing buffer bin enter the mixing bin under the action of gravity, and then controlling the control gate of the mixing buffer bin to be in a closed state; the method comprises the steps that straw powder output by a pulverizer is obtained through a first feed port of a mixing buffer bin, a weighing device is used for weighing obtained auxiliary materials, the mixing buffer bin of the mixing buffer bin, and the weighing device is used for weighing the obtained auxiliary materials, the mixing buffer bin and the mixing bin; and then the control gate of the mixed buffer bin is controlled to be in an open state, so that the straw powder in the mixed buffer bin enters the mixed bin under the action of gravity. Therefore, the weight ratio of the straw powder to the auxiliary materials in the mixture can be controlled according to actual business requirements, and the granulated feed with higher quality can be conveniently produced; for example, the proportion coefficient between the weight parameter b-a of the auxiliary materials and the weight parameter c-b of the straw powder is controlled to be 1: 4.
Similar to the above embodiment, in another embodiment of the present invention, the pellet feed producing apparatus may further comprise a weighing device for determining the weight of the auxiliary materials in the mixing bin and the weight parameters of the straw powder entering the mixing bin. The mixing machine can comprise a mixing buffer bin and a mixing bin, the mixing buffer bin can be provided with a corresponding third feeding port to obtain the straw powder output by the pulverizer, and the mixing buffer bin can be also provided with a corresponding control valve to control whether the straw powder in the mixing buffer bin enters the mixing bin; the mixing bin can be provided with a corresponding fourth feeding hole to obtain auxiliary materials. Therefore, the control gate of the mixing buffer bin can be controlled to be in a closed state, and the straw powder output by the pulverizer enters the mixing buffer bin through the third feeding port of the mixing buffer bin; auxiliary materials are supplied into the mixing bin through a fourth feeding hole of the mixing bin, the mixing bin and the auxiliary materials entering the mixing bin are weighed by the weighing device to determine a first weight parameter of the auxiliary materials entering the mixing bin, and when the first weight parameter reaches a first preset weight parameter, feeding of the auxiliary materials into the mixing bin is stopped; the control gate that the buffering storehouse was mixed in control is in the open mode for straw powder in the mixed buffering storehouse can get into mixed storehouse under the action of gravity, at this moment, the weighing machine lasts auxiliary material and straw powder in mixing storehouse and the mixed storehouse and weighs, in order to determine the second weight parameter that gets into the straw powder in the mixed storehouse, when second weight parameter reaches the second and predetermines weight parameter, the control gate that the buffering storehouse was mixed in control is in the closed condition, make the straw powder of rubbing crusher output temporarily store in mixing the buffering storehouse. So, also can realize controlling the auxiliary material that gets into in the mixing bunker and the weight proportion of straw powder, simultaneously, the rubbing crusher can also incessant crushing wait to smash straw powder.
Further, in order to reduce the floor space of the pellet feed production facility and facilitate the handling and assembling of the pellet feed production facility, as shown in fig. 3, an embodiment of the present invention further includes: a housing 301 whose inner space is divided into an upper mounting area and a lower mounting area; wherein,
the weighing device 201, the pulverizer 101, the compressor 103, and the mixing bin 1022 are all mounted in a lower mounting area of the housing 301;
the granulator 104 and the mixing damper 1021 are both mounted in the upper mounting area of the housing 301.
It should be understood that the housing may also be composed of a plurality of cases, for example, the upper installation area of the housing independently corresponds to one case, the lower installation area of the housing independently corresponds to another case, and the two cases are detachably connected; specifically, the dimensions of the two boxes may include a length value of no greater than 11.6 meters, a width value of no greater than 2.5 meters, and a height value of no greater than 2.8 meters. So, then can conveniently transport each box respectively to waiting to smash the appointed place that the straw corresponds, the fast assembly pellet feed production facility has shortened the transportation distance of straw raw materials, has reduced the intermediate link of fodder sale, has reduced the breed cost.
Accordingly, in order to enable the material to be transferred between the device for providing the material and the device for receiving the material in the pellet feed production device, as shown in fig. 3 and 4, in an embodiment of the present invention, the method further includes: a first bucket elevator 401, a first screw conveyor 402, a second screw conveyor 403, a second bucket elevator 404, a granulation surge bin 405 and a feeder 406; wherein,
the granulation surge bin 405 and the feeder 406 are both mounted in an upper mounting area of the housing 301;
the first bucket elevator 401 is configured to receive the straw powder output by the pulverizer 101 in the lower installation area, to elevate the received straw powder to the upper installation area, and to dump the straw powder;
the first screw conveyor 402 is used for receiving the straw powder dumped by the first bucket elevator 401 and driving the received straw powder by a screw thrust, so that the received straw powder moves into the mixing buffer bin 1021;
the second screw conveyor 403 is used for receiving the mixed material output by the mixing bin 1022 and driving the received mixed material to move into the compressor 103 by screw thrust;
the second bucket elevator 404 is used for receiving the block-shaped compressed materials output by the compressor 103 in the lower mounting area, lifting the received block-shaped compressed materials to the upper mounting area, and then pouring the block-shaped compressed materials to the granulation buffer bin 405;
the feeder 406 is used for driving the block-shaped compressed materials in the granulation buffer bin 405 into the granulator 104.
In the embodiment of the invention, different transmission equipment or a plurality of different transmission equipment are selected and combined with each other by combining the installation positions of the devices in the shell, and the condition that the material can realize self-flow due to the action of gravity is fully utilized, so that the material can be transmitted between the two devices which correspond to each other.
In particular, the screw conveyor is adapted to convey material horizontally or at a smaller angle of inclination from a lower position to a higher position, while the bucket elevator is adapted to lift material vertically from a lower area to a higher area. Consequently, when the material that provides the rubbing crusher transmits to mixing the surge bin, can utilize first bucket elevator to promote the straw powder of rubbing crusher output to the upper portion installing zone from the lower part installing zone at first, then empty for first screw conveyer in the upper portion installing zone, drive straw powder and get into mixing the surge bin with less angle of inclination or horizontal direction through screw thrust by first screw conveyer. When the mixed material output by the mixing bin is conveyed to the compressor, the second spiral conveying can drive the mixed material output by the mixing bin to enter the compressor at a smaller inclination angle through spiral reasoning. When the blocky compressed materials are transmitted to the granulation buffer bin, the second bucket elevator lifts the blocky compressed materials output by the compressor from the lower mounting area to the upper mounting area, and then the blocky compressed materials are poured into the granulation buffer bin; then, the feeder can drive the massive compressed materials in the granulating buffer bin to enter the granulator.
Further, in order to purify the straw powder output by the pulverizer to remove impurities carried in the straw powder, as shown in fig. 5, an embodiment of the present invention further includes: a saxolone 501, a first bag-type dust collector 502 and a third screw conveyor 503; wherein,
the shakelong 501 is used for acquiring the straw powder output by the pulverizer 101, purifying the acquired straw powder, supplying the purified straw powder to the first bucket elevator 401 in the lower mounting area, and discharging purified air flow generated during purification treatment of the straw powder;
the first bag-type dust collector 502 is configured to obtain straw powder carried in the purified air stream discharged from the saxolone 501, and provide the obtained straw powder to the third screw conveyor 503;
the third screw conveyor 503 is configured to drive the straw powder provided by the first bag-type dust collector 502 to enter the mixing and buffering bin 1021 by using a screw thrust.
In the embodiment of the invention, the straw powder output by the pulverizer can be driven by the spirally circulating purified air flow to enter the interior of the cyclone through the air inlet on the side surface of the cyclone, the entering straw powder can be discharged from the lower end of the cyclone to the lower mounting area of the shell under the action of centrifugal force and self gravity to be provided for the first bucket elevator, meanwhile, the purified air flow turns upwards under the action of the fan for closing the lower end of the cyclone and flows out from the upper end of the cyclone (the upper end of the cyclone is positioned in the upper mounting area of the shell), the flowing purified air flow can carry impurities and part of the straw powder entering the straw powder, the straw powder transmitted to the mixing buffer bin through the first bucket elevator and the first spiral conveyor can not carry impurities, and therefore the quality of the granulated feed is improved.
In the embodiment of the invention, the purifying air flow discharged from the upper end of the Sack-screw possibly carries part of the straw powder, the Sack-screw discharges the purifying air flow to the first bag-type dust collector, and the bag-type dust collector can obtain part of the straw powder carried in the purifying air flow and provide the part of the straw powder to the third spiral conveyer, and the part of the straw powder is conveyed to the buffer mixing bin by the third spiral conveyer, so that the waste of raw materials is avoided; meanwhile, the bag-type dust collector can absorb impurities in the purified air flow, so that the straw powder provided for the third screw conveyor can not carry the impurities.
Further, because the temperature of the pellet feed output by the granulator is high, in order to conveniently bag the pellet feed, as shown in fig. 3 and 5, an embodiment of the present invention further includes: a cooling device 504, a fourth screw conveyor 505 and a second bag-type dust collector 506; wherein,
the cooling device 504 is configured to cool the pellet feed output by the granulator 104 and output the cooled pellet feed; and a cooling air flow generated when the granulated feed is cooled is outputted;
the second bag-type dust collector 506 is configured to obtain pellet feed carried in the cooling airflow output by the cooling device 504, and provide the obtained pellet feed to the fourth screw conveyor 505;
the fourth screw conveyor 505 is used for driving the granulated feed provided by the second bag-type dust collector 506 to enter the granulation buffer bin 405 by screw thrust.
In the above embodiment of the present invention, the cooling device may cool the granulated feed discharged from the granulator by an air-cooled cooling method. When air-cooled cooling method cooling pellet feed, cooling device need export cooling air current, probably carry the less pellet feed of part size in the cooling air current, through exporting cooling air current to the second sack cleaner, the second sack cleaner then can carry out the filtering to the pellet feed that carries in the cooling air current, and provide the pellet feed of filtering for fourth screw conveyor, fourth screw conveyor then can drive the pellet feed that the second sack cleaner provided and get into the pelletization surge bin, pelletize again, avoid the material extravagant.
Further, in order to improve the quality of the pellet feed and ensure that the pellet feed has the same size, as shown in fig. 5, in an embodiment of the present invention, the method further includes: a screening device 507 and a feeding fan 508; wherein,
the screening device 507 is used for screening the granulated feed output by the cooling device 504 so as to respectively output the granulated feed with the particle size larger than a set threshold value and the granulated feed with the particle size not larger than the set threshold value;
the feeding fan 508 is used for driving granulated feed with the grain size not larger than a set threshold value to enter the second bag-type dust collector 505 by wind power;
the second bag-type dust collector 505 is further configured to provide the fourth screw conveyor 506 with the pellet feed entering under the driving of the feeding fan 508.
Specifically, sieving mechanism specifically can include the shale shaker, sets up a plurality of sieve meshes on the shale shaker, and the size of sieve mesh is for setting for the threshold value, and the shale shaker vibrates in succession for the sieve mesh whereabouts of the pellet feed accessible shale shaker of size less than the set for threshold value, the pellet feed of whereabouts can get into the second sack cleaner under the drive of feed fan, and then provides the pellet feed that gets into for fourth screw conveyer by the second sack cleaner, and retransfer to pelletization surge bin, pelletize again. The pellet feed which does not fall on the vibrating screen is a finished feed, and can be directly packaged.
It should be understood that the cooling device and the screening device may be integrally formed.
In an embodiment of the present invention, in order to compress straw powder and auxiliary materials, as shown in fig. 6, in an embodiment of the present invention, the compressor 103 includes: a feeder 1031, at least one pusher 1032, at least one sleeve 1033, and a cutting device 1034; wherein,
the interior of the sleeve 1033 is provided with a cavity having a cross-sectional area that decreases from the first end to the second end;
a corresponding pusher 1032 is disposed in the cavity of each sleeve 1033;
said feeder 1031 is connected to a first end of each of said sleeves 1033;
the feeder 1031 is configured to receive the mixed material output from the mixer 102 and feed the received mixed material into each of the cavities from the first end of each of the sleeves 1033;
each of the impellers 1032 is configured to convey the mix entering from the first end of the corresponding sleeve 1033 to the second end of the sleeve 1033 and discharge the mix for compression;
the cutting device 1034 is configured to cut the compressed mixture discharged from the second end of each sleeve 1033 to form a block-shaped compressed material, and output the block-shaped compressed material.
Specifically, the ratio coefficient between the volume of the mixed material and the volume of the formed massive compressed material is not less than 3:1 by compressing the mixed material. The molecular distance between every two adjacent particles in the block-shaped compressed material is reduced, and meanwhile, under the action of a nutritional feed adhesive carried in an auxiliary material, granulated feed with a corresponding size is easily generated, and the finished product rate of the granules is not less than 90%.
In one embodiment of the present invention, the auxiliary materials include: a feed binder, and any one or more of soybean meal, corn meal, and wheat flour. It should be understood that the auxiliary materials may be configured in accordance with actual business requirements, such as a concentrate formed by crushing a granulated feed produced from other types of food products.
In one embodiment of the invention, the moisture carried in the concentrate should be no less than the moisture carried by the straw powder.
In one embodiment of the invention, corresponding material level devices can be arranged in the mixing buffer bin and the granulating buffer bin, and when the material levels corresponding to the straw powder or the massive compressed material stored in the mixing buffer bin and the granulating buffer bin are not within the preset material level threshold value, a corresponding external alarm device is started to alarm or directly triggers the granulated feed production equipment to stop working. For example, when the level indicator detects that the mixing buffer bin pelletization buffer bin is empty or full, the pellet feed production equipment is triggered to stop working.
It should be understood that the individual screw conveyors can also be replaced correspondingly by belt conveyors, as far as the spatial position permits.
It should be understood that corresponding electric control mechanisms can be arranged in the shell, so that the electric control mechanisms can be used for uniformly controlling the starting and stopping of the pulverizer, the mixer, the compressor, the granulator, each bucket elevator and each screw conveyor.
As shown in fig. 7, an embodiment of the present invention provides a pellet feed production method, including:
step 701, crushing the straw to be crushed into straw powder;
step 702, obtaining auxiliary materials, and stirring the straw powder and the auxiliary materials for a set time length to form a mixture;
step 703, compressing the mixture to reduce the molecular distance between every two adjacent particles in the mixture and form a block-shaped compressed material;
step 704, producing pellet feed from the block-shaped compressed material.
In the embodiment of the invention, after the straws are crushed into the straw powder, the auxiliary material is obtained, the auxiliary material and the straw powder are mixed to form the mixture, the mixture is further compressed to form the block-shaped compressed material, the molecular distance between every two adjacent particles in the block-shaped compressed material is smaller, and the block-shaped compressed material is further used for producing the pellet feed. On one hand, the straw is used as a raw material to produce the granulated feed, so that the production of the granulated feed does not depend on grain products completely; on the other hand, the molecular distance between every two adjacent particles in the block-shaped compressed material is reduced, and when the block-shaped compressed material is used for producing granulated feeds, the forming rate of the granulated feeds is extremely high; therefore, the technical scheme provided by the embodiment of the invention can improve the yield of the pellet feed.
In one embodiment of the invention, the water content of the straw to be crushed is not more than 20%; and the water content of the auxiliary materials is not more than 33%. It should be understood that the moisture carried in the auxiliary materials should be greater than the moisture carried by the straw powder, so that after the granulated feed is generated, the moisture carried by the auxiliary materials can permeate into the straw fibers with low moisture content, so that the straw fibers are expanded and loosened; meanwhile, soluble nutrient substances such as beneficial bacteria and high-activity digestive enzyme brought along with the moisture can perform enzymolysis on the straw fiber.
In one embodiment of the invention, the particle size of the excipient is not greater than 2 mm.
In one embodiment of the invention, the particle size of the straw powder is not more than 8 mm.
In one embodiment of the present invention, the auxiliary materials include: a feed binder, and any one or more of soybean meal, corn meal, and wheat flour. It should be understood that the auxiliary materials may be configured in accordance with actual business requirements, such as a concentrate formed by crushing a granulated feed produced from other types of food products.
In order to more clearly illustrate the technical solutions and advantages of the embodiments of the present invention, taking the pellet feed production apparatus provided by the embodiments of the present invention as an example, please refer to fig. 2, fig. 3, fig. 5 and fig. 6, which may specifically include the steps shown in fig. 8:
step 801, controlling a control gate of the mixing buffer bin 1021 to be in a closed state, and crushing the straw to be crushed into straw powder by using the crusher 101 and outputting the straw powder.
Here, the particle size of the pulverized straw powder can be specifically controlled to be not more than 8 mm.
Step 802, the straw powder output by the pulverizer 101 is obtained by using the saxolone 501, the obtained straw powder is subjected to purification treatment, the purified straw powder is provided for the first bucket elevator 401 in the lower mounting area of the housing 301, and purified air flow generated during purification treatment of the straw powder is discharged to the first bag-type dust collector 502.
Step 803, the straw powder provided by the salon 501 is received by the first bucket elevator 401, lifted from the lower mounting area to the upper mounting area of the housing 301, and then dumped.
Step 804, the straw powder dumped by the first bucket elevator 401 is received by the first screw conveyor 402, and the received straw powder is driven by the screw thrust, so that the straw powder enters the mixing buffer chamber 1021 through the second feeding hole of the mixing buffer chamber 1021.
Step 805, the first bag-type dust collector 502 is used to obtain the straw powder carried in the purified air flow, and the obtained straw powder is provided to the third screw conveyor 503.
Step 806, driving the straw powder provided by the first bag-type dust collector 502 with a spiral thrust by using the third spiral conveyor 503, so that the straw powder enters the mixing and buffering bin 1021 through the second feeding hole of the mixing and buffering bin 1021.
And 807, determining a second weight parameter of the straw powder entering the mixing and buffering bin 1021 by using the weighing device 201, and stopping feeding when the second weight parameter reaches a second preset weight parameter a.
Step 808, controlling the control gate of the mixing buffer bin 1021 to be in an open state, so that the straw powder in the mixing buffer bin 1021 enters the mixing bin 1022 under the action of gravity, and then controlling the control gate of the mixing buffer bin 1021 to be in a closed state.
Step 809, obtaining the auxiliary materials through the first feeding hole of the mixing and buffering bin 1021, meanwhile, determining a first weight parameter of the auxiliary materials entering the mixing and buffering bin 1021 through the weighing device 201, and stopping feeding when the first weight parameter reaches a first preset weight parameter b.
Step 810, controlling a control gate of the mixing and buffering bin 1021 to be in an open state, so that the auxiliary materials in the mixing and buffering bin 1021 enter the mixing bin; the auxiliary materials and the straw powder which enter are stirred by the mixing bin 1022 for a set time length to form a mixed material, and then the mixed material is output.
So, through the proportional coefficient of straw powder and auxiliary material that control got into in mixing the storehouse, can ensure that the pellet feed who generates possesses higher quality. For example, the proportion coefficient between the weight parameter b of the auxiliary material entering the mixing bin and the weight parameter a of the straw powder entering the mixing bin is controlled to be 1: 4.
Here, the set time period can be reasonably controlled in combination with the actual service requirement, such as 5 minutes.
In step 811, the mixture output from the mixing bin 1022 is received by the second screw conveyor 403, and the received mixture is driven by screw thrust to move into the feeder 1031 of the compressor 103.
Step 812, feeding the received mix from the first end of each sleeve 1033 into the cavity of each sleeve 1033, respectively, using the feeder 1031 of the compressor 103; the auger 1032 conveys the mix entering from the first end of the corresponding sleeve 1033 to the second end of the current sleeve 1033 and discharges it to compress the mix; the compressed mixed material discharged from the second end of each sleeve 1033 is cut by the cutting device 1034 to form a lump of compressed material, and is supplied.
In the embodiment of the invention, the mixture is compressed to form the blocky compressed material, the molecular distance between every two adjacent particles in the blocky compressed material is extremely small, and the granulated feed is easy to form when the granulator is used for producing the granulated feed by using the blocky compressed material.
At step 813, the second bucket elevator 404 receives the compressed block material from the compressor 103 at the lower mounting area of the housing 301, lifts the received compressed block material to the upper mounting area of the housing 301, and pours the compressed block material into the granulation buffer 405.
At step 814, the block-shaped compressed material in the buffer granulating bin 405 is driven into the granulator 104 by the feeder 406, so that the granulator 104 produces granulated feed by using the incoming block-shaped compressed material and outputs the granulated feed.
815, cooling the pellet feed output by the granulator 104 using the cooling device 504, and outputting the cooled pellet feed and a cooling air flow generated when the pellet feed is cooled.
Step 816, the second bag-type dust collector 505 is used to obtain the pellet feed carried in the cooling air flow output by the cooling device 504, and the obtained pellet feed is provided to the fourth screw conveyor 506 to be conveyed to the granulation buffer bin 405.
In the embodiment of the invention, the cooling airflow can remove powder carried in the granulated feed output by the granulator while cooling the granulated feed output by the granulator, and the powder carried in the cooling airflow can be obtained by the second bag-type dust collector and then conveyed to the granulation buffer bin by the fourth screw conveyor.
Meanwhile, in order to ensure that the size of the granulated feed is kept relatively consistent and improve the competitiveness of the product, the following treatment can be carried out on the granulated feed cooled by the cooling device:
screening the granulated feed output by the cooling device 504 by using a screening device 507 so as to respectively output the granulated feed with the particle size larger than a set threshold value and the granulated feed with the particle size not larger than the set threshold value; the feeding fan 508 is used for driving granulated feed with the grain size not larger than a set threshold value to enter the second bag-type dust collector 505 by wind power, so that the second bag-type dust collector 505 supplies the granulated feed entering under the driving of the feeding fan 508 to the fourth spiral conveyor 506; the fourth screw conveyer 506 is used for driving the granulated feed provided by the second bag-type dust collector 505 to enter the granulating buffer bin 405 by screw thrust. Here, the bagging process may be directly performed for the pellet feed having a pellet size larger than a set threshold.
When the pellet feed production equipment provided by the embodiment of the invention is used for producing pellet feed, the yield can reach 3000-4000 Kg/h (the particle diameter is 5-8mm), which is twice of that of the traditional pellet feed production equipment. Meanwhile, the yield of the granulated feed output by the granulator reaches 90 percent, which is far higher than that of the traditional granulated feed production equipment.
In summary, the embodiments of the present invention have at least the following advantages:
1. in one embodiment of the invention, the pulverizer can pulverize the straw to be pulverized into straw powder and output the straw powder, the mixer can obtain the auxiliary material, and the straw powder and the auxiliary material output by the keyboard pulverizer with a set duration can be fully mixed and then output, the compressor can compress the mixture output by the mixer, so that the molecular distance between every two adjacent particles in the mixture is reduced, a block-shaped compressed material is formed and then output, and the granulator can utilize the block-shaped compressed material output by the compressor to produce the granulated feed. In summary, on one hand, the device can produce the granulated feed by using the straws as raw materials, so that the production of the granulated feed does not depend on grain products completely; on the other hand, before the granulator utilizes the straw powder to produce the granulated feed, the straw powder and the auxiliary materials are compressed by the compressor and the massive compressed material is output, and when the granulator uses the massive compressed material to produce the granulated feed, the forming rate of the granulated feed is extremely high; therefore, the technical scheme provided by the embodiment of the invention can improve the yield of the pellet feed.
2. In one embodiment of the invention, the mixing buffer bin and the weighing device are arranged, so that the weight proportion coefficient of the straw powder and the auxiliary materials entering the mixing bin can be strictly controlled, the proportion of each nutritional component in the granulated feed can be strictly controlled, and the quality of the produced granulated feed can be ensured.
3. In one embodiment of the invention, each device of the pellet feed production equipment can be arranged in the shell, the shell can be composed of one or more box bodies, each box body can be conveniently and respectively transported to a designated place corresponding to the straws to be crushed, the pellet feed production equipment can be quickly assembled, the transportation distance of straw raw materials is shortened, the intermediate links of feed sale are reduced, and the cultivation cost is reduced.
4. In one embodiment of the invention, the pellet feed production equipment does not need a conditioner and a boiler and other equipment to provide steam, and the yield of the pellet feed can be greatly improved; meanwhile, in the process of producing the pellet feed, the nutrition loss is small.
5. In one embodiment of the invention, different transmission equipment or a plurality of different transmission equipment are selected and combined with each other by combining the installation positions of the devices in the shell, and the condition that the material can realize self-flow due to the action of gravity is fully utilized, so that the material can be transmitted between the two devices which correspond to each other.
6. In one embodiment of the invention, the straw powder crushed by the crusher is purified by the salxon, so that impurities carried in the straw powder can be removed, and the quality of the pellet feed is improved.
7. In one embodiment of the invention, the straw powder carried in the purified air flow is obtained by the first bag-type dust collector and is transmitted to the mixing buffer bin; meanwhile, the granulated feed carried by the granulator when the granulated feed is output is obtained from the cooling air flow through the second bag-type dust collector and is transmitted to the granulating buffer bin; the straw powder and the pellet feed are prevented from being directly discharged out of the pellet feed production equipment, and resources are saved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a" does not exclude the presence of other similar elements in a process, method, article, or apparatus that comprises the element.
Finally, it is to be noted that: the above description is only a preferred embodiment of the present invention, and is only used to illustrate the technical solutions of the present invention, and not to limit the protection scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. A pellet feed production apparatus, comprising:
pulverizers, mixers, compressors, and granulators; wherein,
the pulverizer is used for pulverizing the straw to be pulverized into straw powder and outputting the straw powder;
the mixer is used for obtaining auxiliary materials, receiving the straw powder output by the pulverizer, stirring the straw powder and the auxiliary materials for a set time length to form a mixture, and outputting the mixture;
the compressor is used for compressing the mixed material output by the mixer so as to reduce the molecular distance between every two adjacent particles in the mixed material, form a blocky compressed material and then output the blocky compressed material;
the granulator is used for producing granulated feed by utilizing the blocky compressed materials output by the compressor and outputting the granulated feed.
2. The pellet feed production facility of claim 1,
further comprising: a weighing device;
then, the mixer, comprising: a mixing buffer bin and a mixing bin; the mixing and buffering bin is provided with a first feeding hole, a second feeding hole and a control gate;
the first feed inlet is used for obtaining auxiliary materials;
the second feed inlet is used for receiving the straw powder output by the pulverizer;
the mixing buffer bin is used for storing the auxiliary materials obtained by the first feeding hole when the control gate is in a closed state; when the control gate is in a closed state, storing the straw powder received by the second feeding hole;
the weighing device is used for determining a first weight parameter of the auxiliary materials stored in the mixing buffer bin; determining a second weight parameter of the straw powder stored in the mixing buffer bin;
the control gate is used for enabling the auxiliary materials or the straw powder stored in the mixing buffer bin to enter the mixing bin under the action of gravity when the control gate is in an open state;
the mixing bin is used for stirring the entering straw powder and the auxiliary materials for a set time length to form a mixture and outputting the mixture.
3. The pellet feed production facility of claim 2,
further comprising: a housing having an interior space divided into an upper mounting area and a lower mounting area; wherein,
the weighing device, the pulverizer, the compressor and the mixing bin are all arranged in a lower mounting area of the shell;
the granulator and the mixing buffer bin are both arranged in an upper mounting area of the shell.
4. The pellet feed production facility of claim 3,
further comprising: the device comprises a first bucket elevator, a first screw conveyor, a second bucket elevator, a granulation buffer bin and a feeder; wherein,
the granulating buffer bin and the feeder are both arranged in an upper mounting area of the shell;
the first bucket elevator is used for receiving the straw powder output by the pulverizer in the lower mounting area, lifting the received straw powder to the upper mounting area, and then dumping the straw powder;
the first screw conveyor is used for receiving the straw powder poured by the first bucket elevator and driving the received straw powder by using a screw thrust force so that the received straw powder moves into the mixing buffer bin;
the second screw conveyor is used for receiving the mixture output by the mixing bin and driving the received mixture to move into the compressor by screw thrust;
the second bucket elevator is used for receiving the blocky compressed materials output by the compressor in the lower mounting area, lifting the received blocky compressed materials to the upper mounting area, and then dumping the blocky compressed materials to the granulation buffer bin;
the feeder is used for driving the compressed materials in the granulating buffer bin to enter the granulator.
5. The pellet feed production facility of claim 4,
further comprising: the system comprises a sand-dragon, a first bag-type dust collector and a third spiral conveyer; wherein,
the sand dragon is used for acquiring the straw powder output by the pulverizer, purifying the acquired straw powder, supplying the purified straw powder to the first bucket elevator in the lower mounting area, and discharging purified air flow generated during purifying the straw powder;
the first bag-type dust collector is used for obtaining straw powder carried in the purified air flow discharged by the shakelong and providing the obtained straw powder to the third spiral conveyor;
and the third spiral conveyer is used for driving the straw powder provided by the first bag-type dust collector to enter the mixing buffer bin by using spiral thrust.
6. The pellet feed production facility of claim 4,
further comprising: the cooling device, the fourth spiral conveyer and the second bag-type dust collector; wherein,
the cooling device is used for cooling the granulated feed output by the granulator and outputting the cooled granulated feed; and a cooling air flow generated when the granulated feed is cooled is outputted;
the second bag-type dust collector is used for obtaining granulated feed carried in the cooling air flow output by the cooling device and providing the obtained granulated feed to the fourth spiral conveyor;
and the fourth spiral conveyor is used for driving the granulated feed provided by the second bag-type dust collector to enter the granulating buffer bin by spiral thrust.
7. The pellet feed production facility of claim 6,
further comprising: a screening device and a feeding fan; wherein,
the screening device is used for screening the granulated feed output by the cooling device so as to respectively output the granulated feed with the particle size larger than a set threshold value and the granulated feed with the particle size not larger than the set threshold value;
the feeding fan is used for driving granulated feed with the grain size not larger than a set threshold value to enter the second bag-type dust collector by wind power;
the second bag-type dust collector is further used for supplying the granulated feed entering under the driving of the feeding fan to the fourth spiral conveyer.
8. A pellet feed production facility according to any of claims 1 to 7,
the compressor, comprising: a feeder, at least one pusher, at least one sleeve, and a cutting device; wherein,
a cavity with the cross section area gradually reduced from the first end to the second end is arranged in the sleeve;
the cavity of each sleeve is provided with a corresponding propeller;
the feeder is connected to a first end of each of the sleeves;
the feeder is used for receiving the mixed materials output by the mixer and respectively feeding the received mixed materials into the cavities from the first end of each sleeve;
each propeller is used for conveying the mixed material entering from the first end of the corresponding sleeve to the second end of the sleeve and discharging the mixed material so as to compress the mixed material;
the cutting device is used for cutting the compressed mixed materials discharged from the second ends of the sleeves to form blocky compressed materials and outputting the blocky compressed materials;
and/or the presence of a gas in the gas,
the auxiliary materials comprise: a feed binder, and any one or more of soybean meal, corn meal, and wheat flour.
9. A method of producing a pellet feed, comprising:
crushing the straw to be crushed into straw powder;
obtaining auxiliary materials, and stirring the straw powder and the auxiliary materials for a set time length to form a mixture;
compressing the mixture to reduce the molecular distance between every two adjacent particles in the mixture and form a blocky compressed material;
the granulated feed is produced by utilizing the massive compressed material.
10. The pellet feed production method as claimed in claim 9,
the water content of the straw to be crushed is not more than 20 percent; and the water content of the auxiliary materials is not more than 33%;
and/or the presence of a gas in the gas,
the particle size of the auxiliary material is not more than 2 mm;
and/or the presence of a gas in the gas,
the particle size of the straw powder is not more than 8 mm;
the auxiliary materials comprise: a feed binder, and any one or more of soybean meal, corn meal, and wheat flour.
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