CN106666796B - Pellet feed production equipment and method - Google Patents
Pellet feed production equipment and method Download PDFInfo
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- CN106666796B CN106666796B CN201710048953.9A CN201710048953A CN106666796B CN 106666796 B CN106666796 B CN 106666796B CN 201710048953 A CN201710048953 A CN 201710048953A CN 106666796 B CN106666796 B CN 106666796B
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- 239000008188 pellet Substances 0.000 title claims abstract description 178
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 53
- 238000000034 method Methods 0.000 title description 23
- 239000010902 straw Substances 0.000 claims abstract description 183
- 239000000463 material Substances 0.000 claims abstract description 164
- 239000000843 powder Substances 0.000 claims abstract description 159
- 239000000203 mixture Substances 0.000 claims abstract description 81
- 239000002245 particle Substances 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 11
- 238000010298 pulverizing process Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims description 128
- 238000001816 cooling Methods 0.000 claims description 43
- 239000000428 dust Substances 0.000 claims description 39
- 238000009434 installation Methods 0.000 claims description 37
- 238000005303 weighing Methods 0.000 claims description 21
- 230000009471 action Effects 0.000 claims description 15
- 238000012216 screening Methods 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 10
- 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
- 235000013339 cereals Nutrition 0.000 claims description 7
- 235000005822 corn Nutrition 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 235000019764 Soybean Meal Nutrition 0.000 claims description 6
- 239000011230 binding agent Substances 0.000 claims description 6
- 238000007599 discharging Methods 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
- 230000003139 buffering effect Effects 0.000 claims description 5
- 230000003247 decreasing effect Effects 0.000 claims description 2
- 239000002994 raw material Substances 0.000 description 16
- 238000005453 pelletization Methods 0.000 description 13
- 235000011868 grain product Nutrition 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 239000008187 granular material Substances 0.000 description 4
- 235000016709 nutrition Nutrition 0.000 description 4
- 239000012141 concentrate Substances 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 239000002671 adjuvant Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 239000002699 waste material 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
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development 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
- 230000010355 oscillation Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
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- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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 a pellet feed production method, wherein the device comprises: pulverizer, mixer, compressor and granulator; the pulverizer is used for pulverizing the straws to be pulverized into straw powder and outputting the straw powder; the mixer is used for obtaining auxiliary materials, receiving straw powder output by the pulverizer, stirring the straw powder and the auxiliary materials for a set period of time to form a mixture, and outputting the mixture; the compressor is used for compressing the mixture output by the mixer so as to reduce the molecular distance between every two adjacent particles in the mixture, form a block-shaped compressed material and then output the block-shaped compressed material; the granulator is used for producing pellet feed by utilizing the massive compressed materials output by the compressor and outputting the pellet feed. By the technical scheme of the invention, the yield of the pellet feed can be improved.
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 large-scale and factory production, the demand of the pellet feed is continuously increased.
At present, the traditional pellet feed production equipment mainly comprises a pulverizer, a mixer and a granulator. Specifically, the pulverizer may pulverize the raw material into particles of a relatively small size (e.g., not more than 2 mm) and output; the mixer provides vapor for the granular raw materials output by the pulverizer, simultaneously stirs the received granular raw materials, conditions the granular raw materials, and outputs the conditioned granular raw materials; the granulator can utilize the prepared granular raw materials to generate granular feed.
However, the traditional feed production equipment mainly uses grain products such as corn, soybean, wheat and the like as raw materials, and the yield of the pellet feed is reduced under the condition that the grain products are short of the raw materials; meanwhile, in the traditional feed production equipment, the granulator directly utilizes the materials output by the mixer to produce pellet feed, when the granular raw materials are straw powder with higher fiber content, the molecular spacing between different grains in the straw powder is larger, and when the granulator utilizes the straw powder to produce the pellet feed, the pellets are not easy to form. Thus, the yield of pellet feed is extremely low.
Disclosure of Invention
The embodiment of the invention provides a pellet feed production device and a pellet feed production method, which can improve the yield of pellet feed.
In a first aspect, the present invention provides a pellet feed production facility comprising:
pulverizer, mixer, compressor and granulator; wherein,
the pulverizer is used for pulverizing the straws to be pulverized into straw powder and outputting the straw powder;
the mixer is used for obtaining auxiliary materials, receiving straw powder output by the pulverizer, stirring the straw powder and the auxiliary materials for a set period of time to form a mixture, and outputting the mixture;
the compressor is used for compressing the mixture output by the mixer so as to reduce the molecular distance between every two adjacent particles in the mixture, form a block-shaped compressed material and then output the block-shaped compressed material;
The granulator is used for producing pellet feed by utilizing the massive compressed materials output by the compressor and outputting the pellet feed.
Preferably, the method comprises the steps of,
further comprises: a weighing device;
then, the mixer comprises: a mixing buffer bin and a mixing bin; the mixing buffer bin is provided with a first feeding hole, a second feeding hole and a control gate;
the first feed inlet is used for acquiring auxiliary materials;
the second feed inlet is used for receiving straw powder output by the pulverizer;
the mixing buffer bin is used for storing the auxiliary materials acquired by the first feed inlet when the control gate is in a closed state; when the control gate is in a closed state, storing straw powder received by the second feed inlet;
the weighing device is used for determining a first weight parameter of 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 auxiliary materials or 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 auxiliary materials for a set period of time to form a mixture and outputting the mixture.
Preferably, the method comprises the steps of,
further comprises: a housing having an inner space divided into an upper mounting region and a lower mounting region; wherein,
the weighing device, the pulverizer, the compressor and the mixing bin are all arranged in a lower installation area of the shell;
the granulator and the mixing buffer bin are both arranged in the upper installation area of the shell.
Preferably, the method comprises the steps of,
further comprises: the device comprises a first bucket elevator, a first screw conveyor, a second bucket elevator, a granulating buffer bin and a feeder; wherein,
the granulating buffer bin and the feeder are both arranged in an upper installation area of the shell;
the first bucket elevator is used for receiving the straw powder output by the pulverizer in the lower installation area, lifting the received straw powder to the upper installation area and then dumping;
the first screw conveyor is used for receiving the straw powder poured by the first bucket elevator and driving the received straw powder by screw thrust 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 block-shaped compressed materials output by the compressor in the lower installation area, and lifting the received block-shaped compressed materials to the upper installation area and then pouring the block-shaped compressed materials to the granulating and buffering bin;
the feeder is used for driving the compressed materials in the granulating buffer bin to enter the granulator.
Preferably, the method comprises the steps of,
further comprises: a saxophone, a first bag-type dust remover and a third screw conveyor; wherein,
the salon is used for obtaining straw powder output by the pulverizer, purifying the obtained straw powder, providing the purified straw powder for the first bucket elevator in the lower installation area, and discharging purified air flow generated when purifying the straw powder;
the first bag-type dust collector is used for acquiring straw powder carried in the purified air flow discharged by the saxophone and providing the acquired straw powder for the third spiral conveyor;
the third spiral conveyor is used for driving the straw powder provided by the first bag-type dust collector to enter the mixing buffer bin through spiral thrust.
Preferably, the method comprises the steps of,
further comprises: the cooling device, the fourth screw conveyor and the second bag-type dust remover; wherein,
The cooling device is used for cooling the pellet feed output by the granulator and outputting the cooled pellet feed; outputting a cooling air flow generated when cooling the pellet feed;
the second bag-type dust collector is used for acquiring granular feed carried in the cooling air flow output by the cooling device and providing the acquired granular feed for the fourth screw conveyor;
and the fourth screw conveyor is used for driving the granular feed provided by the second bag-type dust collector to enter the granulating buffer bin by screw thrust.
Preferably, the method comprises the steps of,
further comprises: a screening device and a feeding fan; wherein,
the screening device is used for screening the pellet feed output by the cooling device so as to respectively output the pellet feed with the pellet size larger than a set threshold value and the pellet feed with the pellet size not larger than the set threshold value;
the feeding fan is used for driving the granular feed with the grain size not larger than a set threshold value into the second bag-type dust remover by wind power;
the second bag-type dust collector is further used for providing the granular feed entering under the drive of the feeding fan for the fourth screw conveyor.
Preferably, the method comprises the steps of,
the compressor includes: a feeder, at least one pusher, at least one sleeve, and a cutting device; wherein,
The sleeve is internally provided with a cavity with a cross-sectional area gradually decreasing from a first end to a second end;
a corresponding propeller is arranged in the cavity of each sleeve;
the feeder is connected with the first end of each sleeve;
the feeder is used for receiving the mixture output by the mixer and sending the received mixture into each cavity from the first end of each sleeve;
each of the impellers is used for conveying the mixture entering from the first end of the corresponding sleeve to the second end of the sleeve and discharging the mixture so as to compress the mixture;
the cutting device is used for cutting the compressed mixture discharged from the second end of each sleeve to form a block-shaped compressed material and outputting the block-shaped compressed material;
and/or the number of the groups of groups,
the auxiliary materials comprise: a feed binder, and any one or more of soybean meal, corn meal, wheat flour.
In a second aspect, an embodiment of the present invention provides a method for producing pellet feed, comprising:
crushing the straw to be crushed into straw powder;
obtaining auxiliary materials, and stirring straw powder and the auxiliary materials for a set time length to form a mixture;
Compressing the mixture such that the molecular spacing between every two adjacent particles in the mixture is reduced and a bulk compressed material is formed;
and producing pellet feed by using the block-shaped compressed materials.
Preferably, the method comprises the steps of,
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%;
and/or the number of the groups of groups,
the particle size of the auxiliary materials is not more than 2mm;
and/or the number of the groups of groups,
the grain size of the straw powder is not more than 8mm;
the auxiliary materials comprise: a feed binder, and any one or more of soybean meal, corn meal, wheat flour.
The embodiment of the invention provides a pellet feed production device and a pellet feed production method, wherein a grinder can grind straws to be ground into straw powder and output the straw powder, a mixer can acquire auxiliary materials, the straw powder and the auxiliary materials output by the grinder are used for being fully mixed by a set time length, then the auxiliary materials are output, a compressor can compress a mixture output by the mixer, the molecular distance between every two adjacent pellets in the mixture is reduced, a block-shaped compressed material is formed, then the block-shaped compressed material is output, and a pellet feed can be produced by the granulator by using the block-shaped compressed material output by the compressor. In summary, on one hand, the device can utilize straw as a raw material to produce pellet feed, so that the production of the pellet feed is not completely dependent on grain products; on the other hand, before the granulator utilizes straw powder to produce pellet feed, the compressor is used for compressing the straw powder and auxiliary materials and outputting blocky compressed materials, and when the granulator uses the blocky compressed materials to produce the pellet feed, the molding rate of the pellet feed is extremely high; therefore, through the technical scheme provided by the embodiment of the invention, the yield of the pellet feed can be improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a pellet feed production facility according to an embodiment of the present invention;
FIG. 2 is a schematic view of another pellet feed production facility according to an embodiment of the present invention;
FIG. 3 is a schematic view showing the installation position of each device in a housing of a pellet feed production facility according to an embodiment of the present invention;
FIG. 4 is a schematic view of a pellet feed production facility in accordance with an embodiment of the present invention;
FIG. 5 is a schematic view of a pellet feed production facility according to an embodiment of the present invention;
FIG. 6 is a schematic view showing a structure of a compressor according to an embodiment of the present invention;
FIG. 7 is a flow chart of a method of producing pellet feed according to an embodiment of the present invention;
Fig. 8 is a flow chart of a method for producing pellet feed using a pellet feed production facility in accordance with an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present invention are within the scope of protection 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 straws to be pulverized into straw powder and outputting the straw powder;
the mixer 102 is configured to obtain an auxiliary material, receive the straw powder output by the pulverizer 101, stir the straw powder and the auxiliary material for a set period of time to form a mixture, and output the mixture;
the compressor 103 is configured to compress the mixture output from the mixer 102, so that the molecular spacing between every two adjacent particles in the mixture is reduced, and a block-shaped compressed material is formed and then output;
The granulator 104 is used for producing pellet feed by using the massive compressed materials output by the compressor 103 and outputting the pellet feed.
In the embodiment of the invention, the grinder can grind the straw to be ground into straw powder and output the straw powder, the mixer can obtain auxiliary materials, and the straw powder and the auxiliary materials output by the grinder can be fully mixed by a set time length keyboard, then output the mixture, 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, then output the compressed material, and the granulator can produce pellet feed by using the block-shaped compressed material output by the compressor. In summary, on one hand, the device can utilize straw as a raw material to produce pellet feed, so that the production of the pellet feed is not completely dependent on grain products; on the other hand, before the granulator utilizes straw powder to produce pellet feed, the compressor is used for compressing the straw powder and auxiliary materials and outputting blocky compressed materials, and when the granulator uses the blocky compressed materials to produce the pellet feed, the molding rate of the pellet feed is extremely high; therefore, through the technical scheme provided by the embodiment of the invention, the yield of the pellet feed can be improved.
Further, in order to facilitate the staff to control the weight ratio of the straw powder to the auxiliary materials so as to ensure the quality of the produced pellet feed, as shown in fig. 2, in one embodiment of the present invention, the method further comprises: a weighing device 201;
then, the mixer 102 includes: a mixing surge bin 1021 and a mixing bin 1022; wherein, the mixing surge bin 1021 is provided with a first feed port (not shown in the drawing), a second feed port (not shown in the drawing) and a control gate (not shown in the drawing);
the first feed inlet is used for acquiring auxiliary materials;
the second feeding port is used for receiving straw powder output by the pulverizer 101;
the mixing buffer bin 1021 is configured to store the auxiliary material acquired by the first feed inlet when the control gate is in a closed state; when the control gate is in a closed state, storing straw powder received by the second feed inlet;
the weighing device 201 is configured to determine a first weight parameter of the auxiliary material stored in the mixing buffer 1021; and determining a second weight parameter of the straw powder stored in the mixing surge bin 1022;
the control gate is used for enabling the auxiliary materials or straw powder stored in the mixing buffer bin 1021 to enter the mixing bin 1022 under the action of gravity when being in an open state;
The mixing bin 1022 is configured to stir the entering straw powder and the auxiliary material for a set period of time to form a mixture, and output 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 ingredient in the pellet feed can be strictly controlled, and the quality of the produced pellet feed is ensured.
For example, the mixing buffer bin and the mixing bin without straw powder or auxiliary materials inside can be firstly weighed by a weighing device so as to determine the 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 auxiliary materials by utilizing a second feed port of the mixing buffer bin, weighing the acquired auxiliary materials, the mixing buffer bin and the mixing bin by a weighing device, and stopping acquiring the auxiliary materials by the second feed port of the mixing buffer bin after determining that the weight of the acquired auxiliary materials, the mixing buffer bin and the mixing bin reaches a weight parameter b, namely, after determining that the weight parameter of the auxiliary materials acquired by the second feed port is b-a; then, the control gate of the mixing buffer bin is controlled to be in an open state, so that auxiliary materials in the mixing buffer bin enter the mixing bin under the action of gravity, and then the control gate of the mixing buffer bin is controlled to be in a closed state; the method comprises the steps that straw powder output by a pulverizer is obtained through a first feed inlet of a mixing buffer bin, a weighing device weighs the obtained auxiliary materials, the mixing buffer bin and the mixing bin, and after the weight of the obtained auxiliary materials, the weight of the mixing buffer bin and the weight of the mixing bin are determined to reach a weight parameter c, namely, after the weight parameter of the straw powder obtained through the first feed inlet is determined to be c-b, the first feed inlet of the mixing buffer bin stops obtaining the straw powder; and then the control gate of the mixing buffer bin is controlled to be in an open state, so that straw powder in the mixing buffer bin enters the mixing 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 service requirements, so that pellet feed with higher quality can be conveniently produced; for example, the ratio coefficient between the weight parameter b-a of the auxiliary material and the weight parameter c-b of the straw powder is controlled to be 1:4.
Similar to the above embodiments, in another embodiment of the present invention, the pellet feed production apparatus may further comprise a weighing device for determining the weight of the supplementary material in the mixing bin and the weight parameter of the straw powder entering the mixing bin. The mixing machine can comprise a mixing buffer bin and a mixing bin, wherein the mixing buffer bin can be provided with a corresponding third feed inlet for obtaining straw powder output by the pulverizer, and a corresponding control valve can be arranged on the mixing buffer bin for controlling whether the straw powder in the mixing buffer bin enters the mixing bin; the mixing bin can be provided with a corresponding fourth feed inlet for obtaining auxiliary materials. So, can control the control gate of the mixing buffer bin to be in the closed state at first, the straw powder that the pulverizer outputs enters into the mixing buffer bin through the third feed inlet of the mixing buffer bin; providing auxiliary materials into the mixing bin through a fourth feeding hole of the mixing bin, weighing the mixing bin and the auxiliary materials entering the mixing bin by a weighing device so as to determine a first weight parameter of the auxiliary materials entering the mixing bin, and stopping feeding the mixing bin when the first weight parameter reaches a first preset weight parameter; the control gate of the mixing buffer bin is controlled to be in an open state, so that straw powder in the mixing buffer bin can enter the mixing buffer bin under the action of gravity, at the moment, the weighing machine continuously weighs the mixing buffer bin, auxiliary materials in the mixing buffer bin and the straw powder to determine a second weight parameter of the straw powder entering the mixing buffer bin, and when the second weight parameter reaches a second preset weight parameter, the control gate of the mixing buffer bin is controlled to be in a closed state, so that the straw powder output by the pulverizer is temporarily stored in the mixing buffer bin. Therefore, the weight proportion of the auxiliary materials and the straw powder entering the mixing bin can be controlled, and meanwhile, the straw powder to be crushed can be crushed by the crusher without interruption.
Further, in order to reduce the floor space of the pellet feed production device and facilitate handling and assembly of the pellet feed device, as shown in fig. 3, one embodiment of the present invention further includes: a housing 301 whose inner space is divided into an upper mounting region and a lower mounting region; wherein,
the weighing device 201, the pulverizer 101, the compressor 103 and the mixing bin 1022 are all installed in a lower installation area of the housing 301;
the granulator 104 and the mixing buffer 1021 bin are all installed in the upper installation area of the housing 301.
It should be understood that the housing may also be composed of a plurality of cases, for example, an upper mounting area of the housing independently corresponds to one case, a lower mounting area of the housing independently corresponds to the other case, and the two cases are detachably connected; specifically, the dimensions of the two boxes may include a length value of no more than 11.6 meters, a width value of no more than 2.5 meters, and a height value of no more than 2.8 meters. Therefore, each box body can be conveniently transported to the appointed place corresponding to the straw to be crushed, the pellet feed production equipment is quickly assembled, the transportation distance of the straw raw materials is shortened, the middle links of feed sales are reduced, and the cultivation cost is reduced.
Accordingly, in order to enable the transfer of material between the device for providing material and the device for receiving material in the pellet production device, as shown in fig. 3 and 4, one embodiment of the present invention further comprises: a first bucket elevator 401, a first screw conveyor 402, a second screw conveyor 403, a second bucket elevator 404, a pelletization surge bin 405 and a feeder 406; wherein,
the pelletization surge bin 405 and the feeder 406 are both installed at the upper installation 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, and to lift the received straw powder to the upper installation area, and then to dump the straw powder;
the first screw conveyor 402 is configured to receive the straw powder poured by the first bucket elevator 401, and drive the received straw powder with a screw thrust force, so that the received straw powder moves into the mixing buffer bin 1021;
the second screw conveyer 403 is configured to receive the mixture output by the mixing bin 1022, and drive the received mixture to move into the compressor 103 by using a screw thrust;
the second bucket elevator 404 is configured to receive the block-shaped compressed material output by the compressor 103 in the lower installation area, and to elevate the received block-shaped compressed material to the upper installation area, and then dump the compressed material to the pelletization surge bin 405;
The feeder 406 is used to drive the bulk compressed material in the pelletization surge bin 405 into the pelletization machine 104.
In the embodiment of the invention, different conveying devices or a plurality of different conveying devices are selected to be mutually combined according to the installation positions of the devices in the shell, and the condition that the materials can automatically flow due to the action of gravity is fully utilized, so that the materials can be conveyed between the two devices which correspond to each other.
In particular, screw conveyors are adapted to convey material horizontally or at a small inclination angle from a lower position to an upper position, while bucket elevators are adapted to vertically lift material from a lower region to an upper region. Therefore, when the materials provided by the pulverizer are conveyed to the mixing buffer bin, the straw powder output by the pulverizer can be lifted from the lower installation area to the upper installation area by the first bucket elevator, then poured into the first screw conveyor in the upper installation area, and driven into the mixing buffer bin by the first screw conveyor through screw thrust at a small inclination angle or in the horizontal direction. When the mixture output by the mixing bin is transmitted to the compressor, the second spiral transmission can drive the mixture output by the mixing bin into the compressor at a small inclined angle through spiral reasoning. When the block-shaped compressed materials are conveyed to the granulating and buffering bin, the second bucket elevator lifts the block-shaped compressed materials output by the compressor from the lower installation area to the upper installation area, and then the block-shaped compressed materials are poured to the granulating and buffering bin; then, the feeder can drive the block-shaped 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, in one embodiment of the present invention, the method further includes: a saxophone 501, a first bag-type dust collector 502 and a third screw conveyor 503; wherein,
the saxophone 501 is configured to obtain straw powder output by the pulverizer 101, perform purification treatment on the obtained straw powder, provide the purified straw powder to the first bucket elevator 401 in the lower installation area, and discharge a purified air stream generated when the straw powder is purified;
the first bag-type dust collector 502 is configured to obtain straw powder carried in the purified air flow discharged by the saxophone 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 into the mixing buffer chamber 1021 by using a screw thrust.
In the embodiment of the invention, the straw powder output by the screw circulation purifying airflow driving the pulverizer enters the interior of the screw circulation purifying airflow driving pulverizer through the air inlet on the side surface of the screw circulation purifying airflow driving pulverizer, the entering straw powder can be discharged from the lower end of the screw circulation purifying airflow to the lower installation area of the shell under the action of centrifugal force and self gravity to be supplied to the first bucket elevator, meanwhile, the purifying airflow is turned upwards under the action of the closed fan at the lower end of the screw circulation purifying airflow, and the purifying airflow flows out from the upper end of the screw circulation purifying airflow (the upper end of the screw circulation purifying airflow is positioned at the upper installation area of the shell), so that the impurity and part of straw powder entering the straw powder can be carried, and the straw powder transmitted to the mixing buffer bin through the first bucket elevator and the first screw conveyor can be ensured not to carry the impurity, and the quality of granular feed is improved.
In the embodiment of the invention, as the purified air flow discharged from the upper end of the saxophone possibly carries part of straw powder, the saxophone discharges the purified air flow to the first bag-type dust remover, and the bag-type dust remover can obtain part of straw powder carried in the purified air flow and provide the part of straw powder for the third spiral conveyor, and the part of straw powder is conveyed to the buffering mixing bin by the third spiral conveyor, so that raw material waste is avoided; meanwhile, the bag-type dust collector can adsorb impurities in the purified air flow, so that the straw powder provided for the third spiral conveyor cannot carry the impurities.
Further, since the temperature of the pellet feed output from the granulator is high, in order to facilitate bagging the pellet feed, as shown in fig. 3 and 5, in one embodiment of the present invention, the method 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 from the granulator 104, and output cooled pellet feed; outputting a cooling air flow generated when cooling the pellet feed;
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 conveyer 505;
The fourth screw conveyer 505 is used for driving the pellet feed provided by the second bag-type dust collector 506 into the pelletization surge bin 405 by using screw thrust.
In the embodiment of the invention, the cooling device can cool the pellet feed output by the pellet mill in an air-cooled cooling mode. When the air-cooled cooling mode cools the pellet feed, the cooling device needs to output cooling air flow, partial pellet feed with smaller size can be carried in the cooling air flow, the second bag-type dust remover can filter the pellet feed carried in the cooling air flow through outputting the cooling air flow to the second bag-type dust remover, the filtered pellet feed is provided for the fourth screw conveyor, the fourth screw conveyor can drive the pellet feed provided by the second bag-type dust remover to enter the pelletization buffer bin for re-pelletization, and material waste is avoided.
Further, in order to improve the quality of the pellet feed, to ensure that the pellet feed has the same size, as shown in fig. 5, in one embodiment of the present invention, the pellet feed further includes: a screening device 507 and a feeding fan 508; wherein,
the screening device 507 is configured to screen the pellet feed output by the cooling device 504, so as to output pellet feed with a pellet size greater than a set threshold value and pellet feed with a pellet size not greater than the set threshold value respectively;
The feeding fan 508 is used for driving the granular feed with the grain size not larger than a set threshold value into the second bag-type dust collector 505 by wind power;
the second bag-type dust collector 505 is further configured to provide pellet feed entering under the drive of the feeding fan 508 to the fourth screw conveyor 506.
Specifically, sieving mechanism specifically can include the shale shaker, sets up a plurality of sieve meshes on the shale shaker, and the sieve pore size is the settlement threshold value, and the shale shaker continuous oscillation for the granule fodder accessible shale shaker that the size is less than the settlement threshold value sieve mesh whereabouts, and the granule fodder of whereabouts can get into second sack cleaner under the drive of feed fan, and then provide fourth screw conveyer with the granule fodder that gets into by second sack cleaner, and retransmission is to pelletization surge bin, carries out the re-pelletization. The pellet feed which does not fall on the vibrating screen is finished feed and can be directly packaged.
It should be understood that the cooling device and the screening device may be integrally formed.
In one embodiment of the present invention, in order to compress straw powder and auxiliary materials, as shown in fig. 6, 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 gradually decreases from the first end to the second end;
a corresponding pusher 1032 is disposed in the cavity of each of the sleeves 1033;
the feeder 1031 is connected to a first end of each of the sleeves 1033;
the feeder 1031 is configured to receive the mixture output from the mixer 102 and send the received mixture into each of the cavities from the first end of each of the sleeves 1033;
each of the movers 1032 for transferring the mixture entering from the first end of the corresponding sleeve 1033 to the second end of the current sleeve 1033 and discharging the same, so as to compress the mixture;
the cutting device 1034 is used for cutting the compressed mixture discharged from the second end of each sleeve 1033 to form a block-shaped compressed mixture and outputting the block-shaped compressed mixture.
Specifically, the mixture is compressed so that the proportionality coefficient between the volume of the mixture and the volume of the formed massive compressed material is not less than 3:1. The molecular distance between every two adjacent particles in the block-shaped compressed material is reduced, and meanwhile, under the action of the nutritional feed adhesive carried in the auxiliary materials, the block-shaped compressed material is very easy to generate the granular feed with corresponding size, and the granule yield is not less than 90%.
In one embodiment of the present invention, the auxiliary material includes: a feed binder, and any one or more of soybean meal, corn meal, wheat flour. It will be appreciated that the adjuvants may be configured in connection with actual business requirements, such as concentrates formed after crushing of pellet 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 stored straw powder or the blocky compressed materials in the mixing buffer bin and the granulating buffer bin are not within a preset material level threshold value, corresponding external warning devices are started to give an alarm, or the pellet feed production equipment is directly triggered to stop working. For example, when the material level indicator detects that the mixing buffer bin, granulating buffer bin and empty bin or full bin appear, the granulated feed production equipment is triggered to stop working.
It should be understood that each screw conveyor may be replaced correspondingly with a belt conveyor, where the spatial position permits.
It should be understood that a corresponding electrical control mechanism may also be provided within the housing to provide for unified control of the start and stop of the pulverizer, mixer, compressor, granulator, each bucket elevator, and each screw conveyor.
As shown in fig. 7, the embodiment of the invention provides a pellet feed production method, which comprises the following steps:
step 701, crushing straws to be crushed into straw powder;
step 702, obtaining auxiliary materials, and stirring straw powder and the auxiliary materials for a set time length to form a mixture;
step 703, compressing the mixture so that the molecular spacing between every two adjacent particles in the mixture is reduced, and forming a block-shaped compressed material;
step 704, producing pellet feed by using the block-shaped compressed material.
In the embodiment of the invention, after the straw is crushed into straw powder, the auxiliary material is obtained, the auxiliary material and the straw powder are mixed to form a mixture, the mixture is compressed to form a 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 used for producing pellet feed. On one hand, straw is used as a raw material to produce pellet feed, so that the production of the pellet feed is not completely dependent on grain products; 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 pellet feed, the forming rate of the pellet feed is extremely high; therefore, through the technical scheme provided by the embodiment of the invention, the yield of the pellet feed can be improved.
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 pellet feed is produced, the moisture carried by the auxiliary materials can be soaked into the straw fiber with low water content, so that the straw fiber is expanded and loosened; meanwhile, the beneficial bacteria and soluble nutrient substances such as high-activity digestive enzyme and the like brought along with the moisture can play an enzymolysis role on the straw fiber.
In one embodiment of the present invention, the particle size of the auxiliary material is not greater than 2mm.
In one embodiment of the invention, the particle size of the straw powder is not more than 8mm.
In one embodiment of the present invention, the auxiliary materials include: a feed binder, and any one or more of soybean meal, corn meal, wheat flour. It will be appreciated that the adjuvants may be configured in connection with actual business requirements, such as concentrates formed after crushing of pellet feed produced from other types of food products.
In order to more clearly illustrate the technical solution and advantages of the embodiments of the present invention, the following specifically takes the production of pellet feed by using 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, and specifically may include the steps shown in fig. 8:
In step 801, the control gate of the mixing surge bin 1021 is closed, and the straw to be crushed is crushed into straw powder by the crusher 101 and output.
Here, the particle size of the crushed straw powder may be specifically controlled to be not more than 8mm.
Step 802, obtaining straw powder output by the pulverizer 101 by using the saxophone 501, purifying the obtained straw powder, providing the purified straw powder to the first bucket elevator 401 in a lower installation area of the housing 301, and discharging purified air flow generated during purifying the straw powder to the first bag-type dust collector 502.
In step 803, the straw powder provided by the saxophone 501 is received by the first bucket elevator 401 and lifted from the lower mounting area to the upper mounting area of the housing 301 and then poured.
In step 804, the first screw conveyor 402 is used to receive the straw powder poured by the first bucket elevator 401, and the received straw powder is driven by the screw thrust, so that the straw powder enters the mixing surge bin 1021 through the second feed inlet of the mixing surge bin 1021.
In step 805, straw powder carried in the purified air stream is obtained by using the first bag-type dust collector 502, 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 by using the third screw conveyor 503 with a screw thrust force, so that the straw powder enters the mixing surge bin 1021 through the second feed inlet of the mixing surge bin 1021.
In step 807, the weighing device 201 is used to determine a second weight parameter of the straw powder entering the mixing surge bin 1021, and when the second weight parameter reaches a second preset weight parameter a, feeding is stopped.
Step 808, the control gate of the mixing buffer chamber 1021 is controlled to be in an open state, so that the straw powder in the mixing buffer chamber 1021 enters the mixing chamber 1022 under the action of gravity, and then the control gate of the mixing buffer chamber 1021 is controlled to be in a closed state.
Step 809, the auxiliary material is obtained by using the first feeding port of the mixing surge bin 1021, and meanwhile, the weighing device 201 is used to determine the first weight parameter of the auxiliary material entering the mixing surge bin 1021, and when the first weight parameter reaches the first preset weight parameter b, the feeding is stopped.
Step 810, controlling a control gate of the mixing buffer bin 1021 to be in an open state, so that auxiliary materials in the mixing buffer bin 1021 enter the mixing bin; the entered supplementary material and straw powder are stirred for a set period of time using a mixing bin 1022 to form a mixture, and then outputted.
Therefore, the proportion coefficient of the straw powder and the auxiliary materials entering the mixing bin is controlled, so that the produced pellet feed can be ensured to have higher quality. For example, the proportionality coefficient between the weight parameter b of the auxiliary materials 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 duration may be reasonably controlled in combination with the actual service requirement, for example, 5 minutes.
In step 811, the second screw conveyor 403 is used to receive the mix output from the mixing bin 1022 and drive the received mix with a 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 pusher 1032 conveys the mixture entering from the first end of the corresponding sleeve 1033 to the second end of the current sleeve 1033 and discharges the mixture to compress the mixture; the compressed mix discharged from the second end of each sleeve 1033 is cut by a cutting device 1034 to form a block-shaped compressed mix and provided.
In the embodiment of the invention, the mixture is compressed to form the block-shaped compressed material, the molecular distance between every two adjacent particles in the block-shaped compressed material is extremely small, and the pellet feed is easy to form when the pellet feed is produced by using the block-shaped compressed material.
In step 813, the second bucket elevator 404 is used to receive the block-shaped compressed material provided by the compressor 103 at the lower mounting area of the housing 301, and the received block-shaped compressed material is lifted to the upper mounting area of the housing 301 and then poured into the pelletization surge bin 405.
At step 814, the pellet mill 104 is driven by the feeder 406 to feed the pellet mill 405 with the compressed mass, such that the pellet mill 104 produces pellet feed from the fed compressed mass and outputs the pellet feed.
Step 815, the pellet feed output from the pelletizer 104 is cooled using the cooling device 504, and the cooled pellet feed is output, as well as a cooling air flow generated when the pellet feed is cooled.
In step 816, the pellet feed carried in the cooling air flow outputted from the cooling device 504 is obtained by using the second bag-type dust collector 505, and the obtained pellet feed is provided to the fourth screw conveyor 506 to be conveyed to the pellet buffer bin 405.
In the embodiment of the invention, the cooling air flow is used for cooling the pellet feed output by the granulator, and meanwhile, the generated cooling air flow can remove powder carried in the pellet feed output by the granulator, and the powder carried in the cooling air flow can be obtained through the second bag-type dust collector and then is transmitted to the granulating buffer bin through the fourth screw conveyor.
Meanwhile, in order to ensure that the sizes of the pellet feed are kept relatively consistent, the competitiveness of the product is improved, and the pellet feed cooled by the cooling device can be further processed as follows:
screening the pellet feed outputted from the cooling device 504 by using a screening device 507 to respectively output the pellet feed with the pellet size larger than a set threshold value and the pellet feed with the pellet size not larger than the set threshold value; using a feeding fan 508 to drive the granular feed with the grain size not larger than a set threshold value into a second bag-type dust remover 505 by wind force, so that the second bag-type dust remover 505 provides the granular feed entering under the drive of the feeding fan 508 to a fourth screw conveyor 506; the pellet feed provided by the second bag collector 505 is driven into the pelletization surge bin 405 with a helical thrust by the fourth screw conveyor 506. Here, the bagging process may be directly performed for pellet feeds having a pellet size greater 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 5-8 mm), which is twice that of the traditional pellet feed production equipment. Meanwhile, the yield of the pellet feed output by the granulator reaches 90%, which is far higher than that of the traditional pellet feed production equipment.
In summary, each embodiment of the present invention has at least the following advantages:
1. in one embodiment of the invention, the grinder can grind the straw to be ground into straw powder and output the straw powder, the mixer can obtain auxiliary materials, and the straw powder and the auxiliary materials output by the grinder can be fully mixed by a set time length keyboard, then output the mixture, 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, then output the compressed material, and the granulator can produce pellet feed by using the block-shaped compressed material output by the compressor. In summary, on one hand, the device can utilize straw as a raw material to produce pellet feed, so that the production of the pellet feed is not completely dependent on grain products; on the other hand, before the granulator utilizes straw powder to produce pellet feed, the compressor is used for compressing the straw powder and auxiliary materials and outputting blocky compressed materials, and when the granulator uses the blocky compressed materials to produce the pellet feed, the molding rate of the pellet feed is extremely high; therefore, through the technical scheme provided by the embodiment of the invention, the yield of the pellet feed can be improved.
2. In one embodiment of the invention, the weight proportion coefficient of the straw powder and the auxiliary materials entering the mixing bin can be strictly controlled by arranging the mixing buffer bin and the weighing device, so that the proportion of each nutritional ingredient in the pellet feed is strictly controlled, and the quality of the produced pellet feed is 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 boxes, each box can be conveniently transported to a designated place corresponding to the straw to be crushed, the pellet feed production equipment is quickly assembled, the transportation distance of straw raw materials is shortened, the intermediate links of feed sales 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 or steam provided by equipment such as a boiler, and the pellet feed yield 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 conveying equipment or a plurality of different conveying equipment are selected and combined with each other according to the installation position of each device in the shell, and the condition that the material can automatically flow due to the action of gravity is fully utilized, so that the material can be conveyed between two corresponding devices.
6. In one embodiment of the invention, the straw powder crushed by the crusher is purified by the saxophone, 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, straw powder carried in the purified air flow is obtained through a first bag-type dust remover and is transmitted to a mixing buffer bin; meanwhile, the pellet feed carried when the pellet feed is output by the granulator is obtained from the cooling air flow through a second bag-type dust remover and is transmitted to a pelletization buffer bin; the straw powder and the pellet feed are prevented from being directly discharged out of pellet feed production equipment, and resources are saved.
It is noted that relational terms such as first and second, and the like, are 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. Moreover, 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 statement "comprises one" does not exclude that an additional identical element is present in a process, method, article or apparatus that comprises the element.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention are included in the protection scope of the present invention.
Claims (8)
1. A pellet feed production facility, characterized by comprising:
pulverizer, mixer, compressor and granulator; wherein,
the pulverizer is used for pulverizing the straws to be pulverized into straw powder and outputting the straw powder;
the mixer is used for obtaining auxiliary materials, receiving straw powder output by the pulverizer, stirring the straw powder and the auxiliary materials for a set period of time to form a mixture, and outputting the mixture;
the compressor is used for compressing the mixture output by the mixer so as to reduce the molecular distance between every two adjacent particles in the mixture, form a block-shaped compressed material and then output the block-shaped compressed material;
the granulator is used for producing pellet feed by utilizing the massive compressed materials output by the compressor and outputting the pellet feed;
further comprises: a weighing device;
then, the mixer comprises: a mixing buffer bin and a mixing bin; the mixing buffer bin is provided with a first feeding hole, a second feeding hole and a control gate;
The first feed inlet is used for acquiring auxiliary materials;
the second feed inlet is used for receiving straw powder output by the pulverizer;
the mixing buffer bin is used for storing the auxiliary materials acquired by the first feed inlet when the control gate is in a closed state; when the control gate is in a closed state, storing straw powder received by the second feed inlet;
the weighing device is used for determining a first weight parameter of 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 auxiliary materials or 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 entered straw powder and auxiliary materials for a set period of time to form a mixture and outputting the mixture;
further comprises: a housing having an inner space divided into an upper mounting region and a lower mounting region; wherein,
the weighing device, the pulverizer, the compressor and the mixing bin are all arranged in a lower installation area of the shell;
the granulator and the mixing buffer bin are both arranged in an upper installation area of the shell; the upper installation area of the shell corresponds to one box body independently, the lower installation area of the shell corresponds to the other box body independently, and the two box bodies are detachably connected.
2. The pellet feed production facility of claim 1, wherein,
further comprises: the device comprises a first bucket elevator, a first screw conveyor, a second bucket elevator, a granulating buffer bin and a feeder; wherein,
the granulating buffer bin and the feeder are both arranged in an upper installation area of the shell;
the first bucket elevator is used for receiving the straw powder output by the pulverizer in the lower installation area, lifting the received straw powder to the upper installation area and then dumping;
the first screw conveyor is used for receiving the straw powder poured by the first bucket elevator and driving the received straw powder by screw thrust 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 block-shaped compressed materials output by the compressor in the lower installation area, and lifting the received block-shaped compressed materials to the upper installation area and then pouring the block-shaped compressed materials to the granulating and buffering bin;
The feeder is used for driving the compressed materials in the granulating buffer bin to enter the granulator.
3. The pellet feed production facility of claim 2, wherein,
further comprises: a saxophone, a first bag-type dust remover and a third screw conveyor; wherein,
the salon is used for obtaining straw powder output by the pulverizer, purifying the obtained straw powder, providing the purified straw powder for the first bucket elevator in the lower installation area, and discharging purified air flow generated when purifying the straw powder;
the first bag-type dust collector is used for acquiring straw powder carried in the purified air flow discharged by the saxophone and providing the acquired straw powder for the third spiral conveyor;
the third spiral conveyor is used for driving the straw powder provided by the first bag-type dust collector to enter the mixing buffer bin through spiral thrust.
4. The pellet feed production facility of claim 2, wherein,
further comprises: the cooling device, the fourth screw conveyor and the second bag-type dust remover; wherein,
the cooling device is used for cooling the pellet feed output by the granulator and outputting the cooled pellet feed; outputting a cooling air flow generated when cooling the pellet feed;
The second bag-type dust collector is used for acquiring granular feed carried in the cooling air flow output by the cooling device and providing the acquired granular feed for the fourth screw conveyor;
and the fourth screw conveyor is used for driving the granular feed provided by the second bag-type dust collector to enter the granulating buffer bin by screw thrust.
5. The pellet feed production facility of claim 4, wherein,
further comprises: a screening device and a feeding fan; wherein,
the screening device is used for screening the pellet feed output by the cooling device so as to respectively output the pellet feed with the pellet size larger than a set threshold value and the pellet feed with the pellet size not larger than the set threshold value;
the feeding fan is used for driving the granular feed with the grain size not larger than a set threshold value into the second bag-type dust remover by wind power;
the second bag-type dust collector is further used for providing the granular feed entering under the drive of the feeding fan for the fourth screw conveyor.
6. The pellet feed production facility as claimed in any one of claims 1 to 5, characterized in that,
the compressor includes: a feeder, at least one pusher, at least one sleeve, and a cutting device; wherein,
The sleeve is internally provided with a cavity with a cross-sectional area gradually decreasing from a first end to a second end;
a corresponding propeller is arranged in the cavity of each sleeve;
the feeder is connected with the first end of each sleeve;
the feeder is used for receiving the mixture output by the mixer and sending the received mixture into each cavity from the first end of each sleeve;
each of the impellers is used for conveying the mixture entering from the first end of the corresponding sleeve to the second end of the sleeve and discharging the mixture so as to compress the mixture;
the cutting device is used for cutting the compressed mixture discharged from the second end of each sleeve to form a block-shaped compressed material and outputting the block-shaped compressed material;
the auxiliary materials comprise: a feed binder, and any one or more of soybean meal, corn meal, wheat flour.
7. A pellet feed production method using the pellet feed production equipment as claimed in any one of claims 1 to 6, characterized by comprising:
crushing the straw to be crushed into straw powder;
obtaining auxiliary materials, and stirring straw powder and the auxiliary materials for a set time length to form a mixture;
Compressing the mixture such that the molecular spacing between every two adjacent particles in the mixture is reduced and a bulk compressed material is formed;
and producing pellet feed by using the block-shaped compressed materials.
8. The method for producing pellet feed as claimed in claim 7, wherein,
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%;
the particle size of the auxiliary materials is not more than 2mm;
the grain size of the straw powder is not more than 8mm;
the auxiliary materials comprise: a feed binder, and any one or more of soybean meal, corn meal, wheat flour.
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| CN112293771B (en) * | 2019-08-02 | 2022-02-25 | 泰安市岱岳区泰峰农牧机械厂 | Silage device and method for green and fresh plant feed of monogastric animals |
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| CN112826114A (en) * | 2021-02-05 | 2021-05-25 | 新疆农业科学院农业机械化研究所 | Pellet feed processing production equipment and production method |
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| CN206491304U (en) * | 2017-01-23 | 2017-09-15 | 内蒙古凯程农牧业科技有限公司 | A kind of pellet feed production equipment |
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