CN109699557A - Seawater phytophagous fish layered breeding device and cultural method - Google Patents

Seawater phytophagous fish layered breeding device and cultural method Download PDF

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Publication number
CN109699557A
CN109699557A CN201910012267.5A CN201910012267A CN109699557A CN 109699557 A CN109699557 A CN 109699557A CN 201910012267 A CN201910012267 A CN 201910012267A CN 109699557 A CN109699557 A CN 109699557A
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China
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plant
seawater
hollow shaft
phytophagous
aquaculture pond
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CN201910012267.5A
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CN109699557B (en
Inventor
王跃斌
柴学军
胡则辉
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Zhejiang Marine Fisheries Research Institute
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Zhejiang Marine Fisheries Research Institute
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81Aquaculture, e.g. of fish

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  • Apparatuses For Bulk Treatment Of Fruits And Vegetables And Apparatuses For Preparing Feeds (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

The present invention relates to a kind of seawater phytophagous fish layered breeding devices, comprising: the aquaculture pond of the culture zone for setting of transversely existing side by side there are three setting, aquaculture pond lateral driver device, the plant foodstuff on rear side of aquaculture pond process device for feeding;It includes: mounting base that plant foodstuff, which processes device for feeding, the segment cutter for being equipped with plant section discharge channel, pulverizer, the flour mill equipped with pure plant powder discharging channel equipped with crushing plant discharge channel connecting respectively with mounting base, mounting base longitudinal direction vertical drive.The seawater phytophagous fish layered breeding device, which can facilitate, carries out the layering ecological polyculturing research of seawater phytophagous fish.

Description

Seawater phytophagous fish layered breeding device and cultural method
Technical field
The present invention relates to field of marine aquaculture, especially a kind of seawater phytophagous fish layered breeding device and cultivation side Method.
Background technique
Since animal protein supply is becoming tight day in breeding feed, it is restricted the cultivation scale of predacious fish;It is main It to be the seawater phytophagous fish of food with water plants such as a fairly large number of phytoplankton, small-sized seaweed, zooplankters with good Good development prospect;The layering ecological polyculturing arranged in pairs or groups by different fingerlings can save Cultivated water area and improve yield;Due to not having There have to be suitable for studying the device of seawater phytophagous fish layering ecological polyculturing, and progress seawater phytophagous fish cannot be facilitated by existing Class is layered the deficiency of ecological polyculturing research;Therefore, design it is a kind of can facilitate carry out seawater phytophagous fish layering ecological polyculturing grind The seawater phytophagous fish layered breeding device and cultural method studied carefully, become urgent problem to be solved.
Summary of the invention
The purpose of the invention is to overcome at present due to not suitably for studying the layering life of seawater phytophagous fish The device of state mixed breeding, the deficiency for carrying out the layering ecological polyculturing research of seawater phytophagous fish cannot be facilitated by existing, and provide a kind of energy Facilitate the seawater phytophagous fish layered breeding device and cultural method for carrying out the layering ecological polyculturing research of seawater phytophagous fish.
The specific technical solution of the present invention is:
A kind of seawater phytophagous fish layered breeding device, comprising: the cultivation of the culture zone for setting of transversely existing side by side there are three setting Pond, aquaculture pond lateral driver device, the plant foodstuff on rear side of aquaculture pond process device for feeding;Plant foodstuff processes feeding dress Setting includes: mounting base, the segment cutter for being equipped with plant section discharge channel that connect respectively with mounting base, equipped with crushing plant discharge channel Pulverizer, the flour mill equipped with pure plant powder discharging channel, mounting base longitudinal direction vertical drive.The seawater phytophagous fish Layered breeding device processes selected plant by segment cutter, pulverizer, flour mill, laterally driven by aquaculture pond Device drives aquaculture pond transverse movement, by mounting base longitudinal direction vertical drive drive installation seat longitudinal direction vertical motion, with plant Object section, crushing plant and pure plant powder respectively feed a variety of seawater phytophagous fishes that ecological polyculturing is layered in three culture zones Observation is supported, can facilitate and carry out the layering ecological polyculturing research of seawater phytophagous fish.
Preferably, the plant foodstuff processes device for feeding further include: be set side by side with pulverizer and be equipped with low side The plant section case of the plant section discharging channel opposite with aquaculture pond, connect with segment cutter lower end and the inner hole of hollow shaft goes out with segment cutter The first opposite hollow shaft motor of mouth is set side by side with flour mill and is equipped with the low side crushing plant discharging channel opposite with aquaculture pond Crushing vegetation box, connect with pulverizer lower end and the inner hole of hollow shaft and pulverizer export the second opposite hollow shaft motor; Segment cutter, pulverizer, flour mill are arranged successively from top to bottom;Plant section case and crushing vegetation box are connect with mounting base respectively;It plants The hollow shaft lower end of high-end and the first hollow shaft motor of object section discharge channel is connect;Crush plant discharge channel it is high-end with second in The hollow shaft lower end of empty spindle motor connects;Plant section discharging channel low side, which is located at, crushes plant discharging channel lower front;Crush plant Discharging channel low side is located at pure plant powder discharging channel lower front.Segment cutter, pulverizer, the milling of plant foodstuff processing device for feeding Machine is arranged successively from top to bottom, plant by segment cutter and crushing be machined to crush plant, or by segment cutter, pulverizer and Milling is machined to pure plant powder, and processing quality is preferably and processing efficiency is higher.
Preferably, being respectively provided with a discharging vibrator in the plant section case and crushing vegetation box;Plant section discharging Road and crushing plant discharging channel are respectively provided with a flashboard.The vibrator that discharges is conducive to plant section case and crushes vegetation box discharging;Flashboard Conducive to plant section case and crush vegetation box switch.
Preferably, the mounting base longitudinal direction vertical drive includes: that longitudinal electric on the downside of mounting base is straight Line slide unit, the vertical electric linear slide unit that lower end is connect with the sliding block of longitudinal electric straight line slide unit;Vertical electric linear slide unit Sliding block is connect with installation base rear end;Aquaculture pond lateral driver device includes: that the transverse electric of several settings of existing side by side along longitudinal direction is straight Line slide unit;The sliding block of transverse electric straight line slide unit is connect with aquaculture pond lower end.Mounting base longitudinal direction vertical drive, aquaculture pond are horizontal It is general part to driving device, kinematic accuracy is high and at low cost.
A kind of cultural method of seawater phytophagous fish layered breeding device, the seawater phytophagous fish are layered cultivation Device has the limiting structure of above-mentioned seawater phytophagous fish layered breeding device, is placed with different salt in (1) three culture zone The cultivation water of degree puts a variety of seawater phytophagous fishes of layering ecological polyculturing in each culture zone in a suitable place to breed;(2) through segment cutter dissection shape At plant section, the inner hole of the hollow shaft through the first hollow shaft motor, plant section discharge channel enter pulverizer crushing, crush plant After the inner hole of the hollow shaft of the second hollow shaft motor, crushing plant discharge channel enter flour mill milling, longitudinal vertical driving is filled Drive installation seat movement is set, pure plant powder discharging channel low side moves to above aquaculture pond, and pure plant powder falls on first culture zone In, the survival state for being layered a variety of seawater phytophagous fishes of ecological polyculturing in culture zone is observed, pure plant powder cultivation layering is carried out A variety of seawater phytophagous fishes of ecological polyculturing are studied;The hollow shaft of (3) second hollow shaft motors, which drives, crushes plant discharge channel turn It is dynamic, the plant section that plant discharge channel lower end is opposite with vegetation box import is crushed, and is formed through segment cutter dissection is crushed, it is hollow through first The inner hole of the hollow shaft of spindle motor, plant section discharge channel, which enter after pulverizer crushes to enter, crushes vegetation box, longitudinal vertical driving The movement of device drive installation seat, aquaculture pond lateral driver device drive aquaculture pond transverse movement, crush plant discharging channel low side fortune It moves above aquaculture pond, crushes plant and fall in second culture zone, observe a variety of seawater for being layered ecological polyculturing in culture zone The survival state of phytophagous fish carries out a variety of seawater phytophagous fishes research for crushing plant cultivation layering ecological polyculturing;(4) first The hollow shaft band animals and plants section discharging channel rotation of hollow shaft motor, plant section discharging channel low side is opposite with plant section case import, warp The plant section that segment cutter dissection is formed, the inner hole of the hollow shaft through the first hollow shaft motor, plant section discharge channel enter plant section Case, longitudinal vertical drive drive installation seat movement, aquaculture pond lateral driver device drive aquaculture pond transverse movement, plant section Discharging channel low side moves to above aquaculture pond, and plant paragraph is observed in culture zone into third culture zone and is layered ecological polyculturing A variety of seawater phytophagous fishes survival state, carry out plant section cultivation layering ecological polyculturing a variety of seawater phytophagous fishes grind Study carefully.The cultural method of the seawater phytophagous fish layered breeding device, which is able to satisfy to facilitate, carries out the layering of seawater phytophagous fish The needs of ecological polyculturing research.
Compared with prior art, the beneficial effects of the present invention are: the seawater phytophagous fish layered breeding device, leads to It crosses segment cutter, pulverizer, flour mill to process selected plant, drives aquaculture pond horizontal by aquaculture pond lateral driver device Plant and plant with plant section, are crushed by mounting base longitudinal direction vertical drive drive installation seat longitudinal direction vertical motion to movement Object powder carries out nursing observation to a variety of seawater phytophagous fishes for being layered ecological polyculturing in three culture zones respectively, can facilitate progress Seawater phytophagous fish are layered ecological polyculturing research.Plant foodstuff processes the segment cutter of device for feeding, pulverizer, flour mill from upper It is arranged successively under, plant is machined to crush plant by segment cutter and crushing, or passes through segment cutter, pulverizer and flour mill It is processed into pure plant powder, processing quality is preferably and processing efficiency is higher.The vibrator that discharges is conducive to plant section case and crushes vegetation box Discharging;Flashboard is conducive to plant section case and crushes vegetation box switch.Mounting base longitudinal direction vertical drive, the laterally driven dress of aquaculture pond It is set to general part, kinematic accuracy is high and at low cost.The cultural method of the seawater phytophagous fish layered breeding device can expire Foot facilitates the needs for carrying out the layering ecological polyculturing research of seawater phytophagous fish.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
In figure: culture zone 1, mounting base 3, plant section discharge channel 4, segment cutter 5, crushes plant discharge channel 6, powder at aquaculture pond 2 Broken machine 7, flour mill 9, plant section discharging channel 10, plant section case 11, the first hollow shaft motor 12, crushes pure plant powder discharging channel 8 Plant discharging channel 13, crushing vegetation box 14, the second hollow shaft motor 15, discharging vibrator 16, flashboard 17, longitudinal electric straight line are sliding Platform 18, vertical electric linear slide unit 19, transverse electric straight line slide unit 20.
Specific embodiment
The present invention is described further shown in reference to the accompanying drawing.
It is as shown in Fig. 1: a kind of seawater phytophagous fish layered breeding device, comprising: to set that there are three transversely and erect The aquaculture pond 2 for the culture zone 1 set, aquaculture pond lateral driver device, set on the plant foodstuff processing feeding dress of 2 rear side of aquaculture pond It sets;It includes: mounting base 3 that plant foodstuff, which processes device for feeding, and what is connect respectively with mounting base 3 is equipped with cutting for plant section discharge channel 4 Section machine 5, equipped with crush the pulverizer 7 of plant discharge channel 6, equipped with the flour mill 9 of pure plant powder discharging channel 8, mounting base is longitudinally perpendicular To driving device.
In the present embodiment, the plant foodstuff processes device for feeding further include: is set side by side and is equipped with low with pulverizer 7 The plant section case 11 for holding opposite with aquaculture pond 2 plant section discharging channel 10, connect with 5 lower end of segment cutter and the inner hole of hollow shaft and Segment cutter 5 exports the first opposite hollow shaft motor 12, is set side by side with flour mill 9 and opposite with aquaculture pond 2 equipped with low side The crushing vegetation box 14 for crushing plant discharging channel 13, connect with 7 lower end of pulverizer and the inner hole of hollow shaft and pulverizer 7 export phase Pair the second hollow shaft motor 15;Segment cutter 5, pulverizer 7, flour mill 9 are arranged successively from top to bottom;Plant section case 11 and crushing Vegetation box 14 is connect with mounting base 3 respectively;The hollow shaft lower end of high-end and the first hollow shaft motor 12 of plant section discharge channel 4 connects It connects;The high-end hollow shaft lower end with the second hollow shaft motor 15 for crushing plant discharge channel 6 is connect;Plant section 10 low side of discharging channel Positioned at crushing 13 lower front of plant discharging channel;It crushes 13 low side of plant discharging channel and is located at 8 lower front of pure plant powder discharging channel.
A discharging vibrator 16 is respectively provided in the plant section case 11 and crushing vegetation box 14;Plant section discharging channel 10 A flashboard 17 is respectively provided with plant discharging channel 13 is crushed.
The mounting base longitudinal direction vertical drive includes: the longitudinal electric straight line slide unit 18 set on 3 downside of mounting base, The vertical electric linear slide unit 19 that lower end is connect with the sliding block of longitudinal electric straight line slide unit 18;The cunning of vertical electric linear slide unit 19 Block is connect with 3 rear end of mounting base;Aquaculture pond lateral driver device includes: that the transverse electric straight line of two settings of existing side by side along longitudinal direction is sliding Platform 20;The sliding block of transverse electric straight line slide unit 20 is connect with 2 lower end of aquaculture pond.
A kind of cultural method of seawater phytophagous fish layered breeding device, the seawater phytophagous fish are layered cultivation Device has the limiting structure of above-mentioned seawater phytophagous fish layered breeding device, is placed with different salt in (1) three culture zone 1 The cultivation water of degree puts a variety of seawater phytophagous fishes of layering ecological polyculturing in each culture zone 1 in a suitable place to breed;(2) through 5 dissection of segment cutter The plant section of formation, the inner hole of the hollow shaft through the first hollow shaft motor 12, plant section discharge channel 4 enter pulverizer 7 and crush, powder Broken plant is longitudinal after the inner hole of the hollow shaft of the second hollow shaft motor 15, crushing plant discharge channel 6 enter the milling of flour mill 9 Vertical drive drive installation seat 3 moves, and 8 low side of pure plant powder discharging channel moves to 2 top of aquaculture pond, and pure plant powder is fallen on In first culture zone 1, the survival state for being layered a variety of seawater phytophagous fishes of ecological polyculturing in culture zone 1 is observed, is planted A variety of seawater phytophagous fishes research of object powder cultivation layering ecological polyculturing;The hollow shaft of (3) second hollow shaft motors 15 drives It crushes plant discharge channel 6 to rotate, crushing 6 lower end of plant discharge channel is opposite with 14 import of vegetation box is crushed, through 5 dissection shape of segment cutter At plant section, the inner hole of the hollow shaft through the first hollow shaft motor 12, plant section discharge channel 4 crush laggard into pulverizer 7 Enter to crush vegetation box 14, longitudinal vertical drive drive installation seat 3 moves, and aquaculture pond lateral driver device drives aquaculture pond 2 Transverse movement crushes 13 low side of plant discharging channel and moves to 2 top of aquaculture pond, crushes plant and fall in second culture zone 1, see The survival state for being layered a variety of seawater phytophagous fishes of ecological polyculturing in culture zone 1 is examined, carries out crushing plant cultivation layering ecology A variety of seawater phytophagous fishes research of mixed breeding;The hollow shaft band animals and plants section discharging channel 10 of (4) first hollow shaft motors 12 rotates, Plant section 10 low side of discharging channel is opposite with plant section 11 import of case, the plant section formed through 5 dissection of segment cutter, through the first hollow shaft The inner hole of the hollow shaft of motor 12, plant section discharge channel 4 enter plant section case 11, longitudinal vertical drive drive installation seat 3 Movement, aquaculture pond lateral driver device drive 2 transverse movement of aquaculture pond, and plant section 10 low side of discharging channel moves on aquaculture pond 2 Side, plant paragraph observe the life that a variety of seawater phytophagous fishes of ecological polyculturing are layered in culture zone 1 into third culture zone 1 Situation is deposited, a variety of seawater phytophagous fishes research of plant section cultivation layering ecological polyculturing is carried out.
The beneficial effects of the present invention are: the seawater phytophagous fish layered breeding device, by segment cutter, crushes Machine, flour mill process selected plant, drive aquaculture pond transverse movement by aquaculture pond lateral driver device, pass through peace Seat longitudinal direction vertical drive drive installation seat longitudinal direction vertical motion is filled, it is right respectively with plant section, crushing plant and pure plant powder A variety of seawater phytophagous fishes that ecological polyculturing is layered in three culture zones carry out nursing observation, can facilitate and carry out seawater phytophagous fish Class is layered ecological polyculturing research.Segment cutter, pulverizer, the flour mill of plant foodstuff processing device for feeding are successively arranged from top to bottom Column, plant is machined to crush plant by segment cutter and crushing, or is machined to plant by segment cutter, pulverizer and milling Powder, processing quality is preferably and processing efficiency is higher.The vibrator that discharges is conducive to plant section case and crushes vegetation box discharging;Flashboard benefit In plant section case and crush vegetation box switch.Mounting base longitudinal direction vertical drive, aquaculture pond lateral driver device are general part, Kinematic accuracy is high and at low cost.The cultural method of the seawater phytophagous fish layered breeding device, which is able to satisfy, facilitates progress sea Water phytophagous fish are layered the needs of ecological polyculturing research.
In addition to the implementation, within the scope of the claims of the present invention and the specification, skill of the invention Art feature or technical data can be reselected and be combined, to constitute new embodiment, these are all art technologies Personnel are without carrying out what creative work can be realized, therefore the embodiment that these present invention are not described in also should be regarded as this The specific embodiment of invention and within protection scope of the present invention.

Claims (5)

1. a kind of seawater phytophagous fish layered breeding device, comprising: set supporting there are three the culture zone for setting of transversely existing side by side Grow pond, characterized in that the seawater phytophagous fish layered breeding device further include: aquaculture pond lateral driver device is set to Plant foodstuff on rear side of aquaculture pond processes device for feeding;Plant foodstuff process device for feeding include: mounting base, respectively with mounting base The segment cutter for being equipped with plant section discharge channel of connection, is equipped with pure plant powder discharging channel at the pulverizer equipped with crushing plant discharge channel Flour mill, mounting base longitudinal direction vertical drive.
2. seawater phytophagous fish layered breeding device according to claim 1, it is characterized in that: the plant foodstuff adds Work device for feeding further include: the plant section of the low side plant section discharging channel opposite with aquaculture pond is set side by side and be equipped with pulverizer Case, connect with segment cutter lower end and the inner hole of hollow shaft and segment cutter export the first opposite hollow shaft motor, simultaneously with flour mill Column setting and be equipped with low side it is opposite with aquaculture pond crush plant discharging channel crushing vegetation box, connect with pulverizer lower end and in The inner hole and pulverizer of empty axis export the second opposite hollow shaft motor;Segment cutter, pulverizer, flour mill are successively arranged from top to bottom Column;Plant section case and crushing vegetation box are connect with mounting base respectively;High-end and the first hollow shaft motor of plant section discharge channel The connection of hollow shaft lower end;The hollow shaft lower end for crushing high-end and the second hollow shaft motor of plant discharge channel is connect;Plant section goes out Material path low side, which is located at, crushes plant discharging channel lower front;Before crushing plant discharging channel low side is located at pure plant powder discharging channel low side Side.
3. seawater phytophagous fish layered breeding device according to claim 1, it is characterized in that: the plant section case and It crushes in vegetation box and is respectively provided with a discharging vibrator;Plant section discharging channel and crushing plant discharging channel are respectively provided with a flashboard.
4. seawater phytophagous fish layered breeding device according to claim 1 or 2 or 3, it is characterized in that: the installation The longitudinal vertical drive of seat includes: the longitudinal electric straight line slide unit on the downside of mounting base, and lower end and longitudinal electric straight line are sliding The vertical electric linear slide unit of the sliding block connection of platform;The sliding block of vertical electric linear slide unit is connect with installation base rear end;Aquaculture pond Lateral driver device includes: the transverse electric straight line slide unit of several settings of existing side by side along longitudinal direction;The cunning of transverse electric straight line slide unit Block is connect with aquaculture pond lower end.
5. a kind of cultural method of seawater phytophagous fish layered breeding device, the seawater phytophagous fish layering cultivation dress The limiting structure with claim 1 to any seawater phytophagous fish layered breeding device of claim 4 is set, it is special Sign is: (1) being placed with the cultivation water of different salinity in three culture zones, put a variety of of layering ecological polyculturing in each culture zone in a suitable place to breed Seawater phytophagous fish;(2) the plant section formed through segment cutter dissection, the inner hole of the hollow shaft through the first hollow shaft motor, plant Section discharge channel enters pulverizer crushing, crushes the inner hole of hollow shaft of the plant through the second hollow shaft motor, crushes plant discharge channel Into after flour mill milling, longitudinal vertical drive drive installation seat movement, pure plant powder discharging channel low side moves to cultivation Above pond, pure plant powder is fallen in first culture zone, observes a variety of seawater phytophagous fishes that ecological polyculturing is layered in culture zone Survival state, carry out pure plant powder cultivation layering ecological polyculturing a variety of seawater phytophagous fishes research;(3) second hollow shafts electricity The hollow shaft of machine, which drives, crushes the rotation of plant discharge channel, and crushing plant discharge channel lower end is opposite with vegetation box import is crushed, through cutting The plant section that section machine-cut section is formed, the inner hole of the hollow shaft through the first hollow shaft motor, plant section discharge channel enter pulverizer powder Enter after broken and crushes vegetation box, longitudinal vertical drive drive installation seat movement, the driving cultivation of aquaculture pond lateral driver device Pond transverse movement crushes plant discharging channel low side and moves to above aquaculture pond, crushes plant and falls in second culture zone, observes It is layered the survival state of a variety of seawater phytophagous fishes of ecological polyculturing in culture zone, carries out crushing plant cultivation layering ecological polyculturing A variety of seawater phytophagous fishes research;The hollow shaft band animals and plants section discharging channel rotation of (4) first hollow shaft motors, plant section go out Material path low side is opposite with plant section case import, the plant section formed through segment cutter dissection, the hollow shaft through the first hollow shaft motor Inner hole, plant section discharge channel enter plant section case, the movement of longitudinal vertical drive drive installation seat, aquaculture pond is laterally driven Device drives aquaculture pond transverse movement, and plant section discharging channel low side moves to above aquaculture pond, and plant paragraph to third cultivates Qu Zhong observes the survival state that a variety of seawater phytophagous fishes of ecological polyculturing are layered in culture zone, carries out plant section cultivation layering A variety of seawater phytophagous fishes of ecological polyculturing are studied.
CN201910012267.5A 2019-01-07 2019-01-07 Seawater phytophagous fish layered culture device and culture method Active CN109699557B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110637768A (en) * 2019-11-01 2020-01-03 吴建秋 Aquaculture is with throwing material device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107442252A (en) * 2017-08-18 2017-12-08 合肥荣电环境电器有限公司 A kind of stalk pulverising mill powder device and its operating method
CN108238345A (en) * 2018-03-14 2018-07-03 廖建新 Feed for pet classified storage bucket

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107442252A (en) * 2017-08-18 2017-12-08 合肥荣电环境电器有限公司 A kind of stalk pulverising mill powder device and its operating method
CN108238345A (en) * 2018-03-14 2018-07-03 廖建新 Feed for pet classified storage bucket

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110637768A (en) * 2019-11-01 2020-01-03 吴建秋 Aquaculture is with throwing material device

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