CN112046896A - Fertilizer storage device for farming - Google Patents

Fertilizer storage device for farming Download PDF

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Publication number
CN112046896A
CN112046896A CN201910484335.8A CN201910484335A CN112046896A CN 112046896 A CN112046896 A CN 112046896A CN 201910484335 A CN201910484335 A CN 201910484335A CN 112046896 A CN112046896 A CN 112046896A
Authority
CN
China
Prior art keywords
limiting plate
fertilizer
moisture absorption
stirring
absorption box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910484335.8A
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Chinese (zh)
Inventor
张�浩
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xuzhou Yuxin Agricultural Development Co ltd
Original Assignee
Xuzhou Yuxin Agricultural Development Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xuzhou Yuxin Agricultural Development Co ltd filed Critical Xuzhou Yuxin Agricultural Development Co ltd
Priority to CN201910484335.8A priority Critical patent/CN112046896A/en
Publication of CN112046896A publication Critical patent/CN112046896A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/02Internal fittings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/112Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades
    • B01F27/1125Stirrers characterised by the configuration of the stirrers with arms, paddles, vanes or blades with vanes or blades extending parallel or oblique to the stirrer axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/05Stirrers
    • B01F27/11Stirrers characterised by the configuration of the stirrers
    • B01F27/19Stirrers with two or more mixing elements mounted in sequence on the same axis
    • B01F27/191Stirrers with two or more mixing elements mounted in sequence on the same axis with similar elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/90Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms 
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/38Devices for discharging contents
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/264Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing liquids

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Fertilizers (AREA)
  • Fertilizing (AREA)

Abstract

The invention relates to the field of agricultural planting, in particular to a fertilizer storage device for agricultural planting, which comprises an outer barrel, an inner barrel, an upper limiting plate, a lower limiting plate, a top cover, a stirring motor, a lifting handle, a feeding hole, a spring, a sliding block, a sliding chute, a discharging hole, a guide plate, a fixing plate, a connecting column, a stirring shaft, a stirring blade, a movable comb and a moisture absorption box, wherein the sliding chute is formed in the inner wall of the outer barrel; under agitator motor's drive, because activity comb and stirring leaf swing joint, the motion of puddler can make the activity comb take place to use the pivot as the irregular motion of basic point, increases the inside air mobility of device, and moisture absorption box can the moisture in the absorbing device, avoids influencing depositing the quality of fertilizer because of weing.

Description

Fertilizer storage device for farming
Technical Field
The invention relates to the field of agricultural planting, in particular to a fertilizer storage device for agricultural planting.
Background
The planting is plant cultivation, including cultivation of various crops, woods, fruit trees, flowers and plants, medicinal and ornamental plants and the like, and comprises grain crops, economic crops, vegetable crops, green manure crops, feed crops, pasture and the like. The planting water quality and the ecological environment are improved by utilizing pollution-free land, water area and natural environment or applying ecological technical measures, planting is carried out according to a special planting mode of the daoyi planting, chemical fertilizers, pesticides, other harmful substances and the like are not used, and the aim is to produce pollution-free green food and organic food. The components for realizing ecological planting comprise probiotic stock solution and the like.
The fertilizer is a substance which provides one or more nutrient elements necessary for plants, improves the soil property and improves the soil fertility level, and is one of the material bases of agricultural production. Mainly comprises ammonium phosphate fertilizers, macroelement water-soluble fertilizers, secondary element fertilizers, biological fertilizers, organic fertilizers, multi-dimensional field energy concentrated organic fertilizers and the like, and various chemical fertilizers are developed in succession along with the rise and development of the modern chemical industry. In the middle of the 18 th century, phosphorus is divided into a unit fertilizer (containing only one nutrient element) and a compound fertilizer (containing two or more nutrient elements), wherein the unit fertilizer is a nitrogenous fertilizer, a phosphate fertilizer and a potash fertilizer; the latter is binary compound fertilizer of nitrogen phosphorus, nitrogen potassium and phosphorus potassium and ternary compound fertilizer of nitrogen phosphorus and potassium.
The application number is CN201720555622.X, published as 2017.12.08, which discloses a fertilizer storage device for agricultural planting, comprising a storage device main body, wherein a spiral cap is installed at the top end of the storage device main body and is movably connected with the storage device main body, an exhaust pipe is installed at the top end of the storage device main body, a supporting foot stool is installed at the bottom end of the storage device main body, a dryer is installed on the side surface of the storage device main body, the supporting foot stool is fixedly connected with the storage device main body, a plurality of uniformly distributed vent holes are arranged on the side surface of the dryer, the fertilizer storage device for agricultural planting is provided with a drying vibrator and the dryer, the dryer can effectively dry fertilizer, the drying vibrator can not only dry fertilizer, but also can perform vibration screening when the storage device main body stores fertilizer, the fertilizer storage device for agricultural planting is favorable for improving the protection effect of the fertilizer storage device for agricultural planting on the fertilizer, and the storage period of the fertilizer is prolonged. Although the device has above advantage, use the device, inconvenient when the fertilizer of taking, if can not in time close the fertilizer inefficacy that the discharge gate can lead to depositing because of taking behind the fertilizer, consequently, need improve this scheme.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a fertilizer storage device for agricultural planting, which mainly solves the existing problems:
the prior device is inconvenient in taking fertilizer, and the stored fertilizer is invalid if a discharge hole cannot be closed in time after the fertilizer is taken; and the inside air flow of current device is low, and fertilizer is wet easily, influences the quality of depositing of fertilizer.
Technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a fertilizer storage device for agricultural planting comprises an outer barrel, an inner barrel, an upper limiting plate, a lower limiting plate, a top cover, a stirring motor, a handle, a feed inlet, a spring, a sliding block, a sliding chute, a discharge port, a guide plate, a fixing plate, a connecting column, a stirring shaft, a stirring blade, a movable comb and a moisture absorption box, wherein the sliding chute is formed in the inner wall of the outer barrel, the top cover is arranged at the upper end of the inner barrel, the upper limiting plate and the lower limiting plate are respectively arranged on the upper end surface and the lower end surface of the inner barrel, the feed inlet is formed in the upper end surface of the top cover, the stirring motor is arranged in the central position of the upper end surface of the top cover, the handle is arranged on the upper end surface, the top of the connecting column is hinged to the fixing plate through a hinge, the discharge port is hinged to the guide plate through a hinge, and the bottom of the outer barrel is provided with the moisture absorption box.
Preferably, the upper limit plate is sleeved on the outer side of the upper end face of the inner cylinder, the lower end face of the inner cylinder is fixedly connected with the lower limit plate, the side face of the lower limit plate is fixedly connected with a sliding block, and the sliding block is matched with the sliding groove.
Preferably, one end of the spring is fixedly connected with the upper limiting plate, the other end of the spring is fixedly connected with the lower limiting plate, and the bottom end face of the upper limiting plate is clamped with the top end face of the outer barrel.
Preferably, the rotating part of the stirring motor is fixedly connected with the stirring shaft, the outer surface of the stirring shaft is fixedly connected with the stirring blades, the top ends of the stirring blades are rotatably connected with the movable comb through a rotating shaft, and the outer surface of the movable comb is provided with a plurality of groups of sharp teeth.
Preferably, the cross section of the moisture absorption box is triangular, the inclined plane of the moisture absorption box is provided with uniform through holes, the periphery of the right end face of the moisture absorption box is provided with a sealing ring, and the moisture absorption box is connected with the outer barrel in an inserting mode.
Preferably, the area of the guide plate is larger than that of the discharge hole, and the guide plate is fixed through the fixing plate in a vertical state.
(III) advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
1. set up fertilizer storage device into the combination of inner tube and urceolus, and add the upper limit plate in urceolus top, the limiting plate under the terminal surface increases at the inner tube end, increased the spring between upper limit plate and the lower limiting plate, the discharge gate has been increased bottom the urceolus, make when carrying the portable inner tube through carrying, fertilizer passes through the discharge gate and flows, when loosening the handle, the inner tube downstream under the restoring force of spring, plug up the discharge gate, play after taking fertilizer, the device can self-sealing's effect, effectively prevented can not in time close the discharge gate and lead to the accident of the fertilizer inefficacy of depositing because of taking behind the fertilizer.
2. Inside (mixing) shaft and the stirring leaf of having increased of inner tube, it is connected with the activity comb to rotate through the pivot in stirring leaf bottom, and the multiunit pointed tooth has been seted up at activity comb surface, make under agitator motor's drive, the (mixing) shaft drives the stirring leaf and rotates, because activity comb and stirring leaf swing joint, the motion of puddler can make the activity comb take place to use the pivot as the irregular motion of basic point, increase the inside air mobility of device, the moisture in the moisture absorption box of urceolus bottom can the absorbing device, avoid influencing depositing the quality of fertilizer because of weing.
Drawings
In order to more clearly illustrate the embodiments of the patent or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the patent of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is an overall block diagram of the present invention patent;
FIG. 2 is an overall block diagram of the present invention patent;
fig. 3 is a schematic cross-sectional view of the present invention.
The reference numerals are as follows:
an outer cylinder 1; an inner cylinder 2; an upper limiting plate 3; a lower limiting plate 4; a top cover 5; a stirring motor 6; a handle 7; a feed port 8; a spring 9; a slider 10; a chute 11; a discharge port 12; a baffle 13; a fixed plate 14; a connecting column 15; a stirring shaft 16; a stirring blade 17; a movable comb 18; a moisture-absorbing box 19.
Detailed Description
In the description of the present patent application, unless otherwise indicated, "a plurality" means two or more. The terms "inner," "upper," "lower," and the like, refer to an orientation or a state relationship based on that shown in the drawings, which is for convenience in describing the present patent and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present patent.
In the description of the present patent application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. To those of ordinary skill in the art, the specific meanings of the above terms in the present patent are understood as specific cases.
It should be noted that the terms "first," "second," and the like in the description and claims of the present patent application and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances to facilitate describing the embodiments of the invention described herein.
In this embodiment, a fertilizer storage device for agricultural planting, including urceolus 1, inner tube 2, go up spacing board 3, spacing board 4 down, top cap 5, agitator motor 6, handle 7, feed inlet 8, spring 9, slider 10, spout 11, discharge gate 12, guide plate 13, fixed plate 14, spliced pole 15, (mixing) shaft 16, stirring leaf 17, activity comb 18 and moisture absorption box 19. Spout 11 has been seted up to 1 inner wall of urceolus, and 2 upper ends of inner tube are provided with top cap 5, and 2 upper and lower both ends faces of inner tube are provided with spacing board 3 and lower spacing board 4 respectively, and 5 up ends of top cap are provided with feed inlet 8, and 5 up end central point puts and is provided with agitator motor 6, and 5 up ends of top cap are provided with handle 7, and handle 7 surface is silica gel cladding for the preference, the comfort when improving to carry and draw. The outer surface of the inner barrel 2 is provided with a spring 9, the lower part of the outer surface of the outer barrel 1 is provided with a discharge port 12, a connecting column 15 is arranged above the discharge port 12, the top of the connecting column 15 is hinged with a fixing plate 14 through a hinge, the discharge port 12 is hinged with a guide plate 13 through a hinge, and the bottom of the outer barrel 1 is provided with a moisture absorption box 19.
Specifically, the outer side of the upper end face of the inner cylinder 2 is sleeved with an upper limiting plate 3, the lower end face of the inner cylinder 2 is fixedly connected with a lower limiting plate 4, the side face of the lower limiting plate 4 is fixedly connected with a sliding block 10, and the sliding block 10 is matched with the sliding groove 11. One end of the spring 9 is fixedly connected with the upper limiting plate 3, the other end of the spring is fixedly connected with the lower limiting plate 4, and the bottom end face of the upper limiting plate 3 is clamped with the top end face of the outer barrel 1. When making to carry inner tube 2 through handle 7, fertilizer flows through discharge gate 12, when loosening handle 7, inner tube 2 moves down under spring 9's the resilience, plugs up discharge gate 12, plays after taking fertilizer, and the device can self-sealing's effect, has effectively prevented because of can not in time close the accident of the fertilizer inefficacy that discharge gate 12 leads to depositing behind the fertilizer of taking. The rotating part of the stirring motor 6 is fixedly connected with the stirring shaft 16, the outer surface of the stirring shaft 16 is fixedly connected with the stirring blade 17, the top end of the stirring blade 17 is rotatably connected with the movable comb 18 through the rotating shaft, and the outer surface of the movable comb 18 is provided with a plurality of groups of sharp teeth. The sharp teeth can not only stir more fully, but also stir the caking fertilizer. The section of the moisture absorption box 19 is triangular, uniform through holes are formed in the inclined plane of the moisture absorption box 19, a sealing ring is arranged on the periphery of the right end face of the moisture absorption box 19, and the moisture absorption box 19 is connected with the outer barrel 1 in an inserting mode. The insertion manner makes the moisture absorption box 19 convenient to replace. The area of the guide plate 13 is larger than that of the discharge hole 12, and the guide plate 13 is fixed through a fixing plate 14 in a vertical state. When fertilizer needs to be taken out, the fixing plate 14 is rotated, so that the guide plate 13 is in a horizontal state, and the material can be taken out.
The theory of operation will treat to store fertilizer and pour into the device through feed inlet 8 in, switch on for agitator motor 6, stirring shaft 16 rotates, drives stirring leaf 17 and rotates, because activity comb 18 and stirring leaf 17 swing joint, the motion of puddler can make activity comb 18 take place to use the pivot as the irregular motion of basic point, increase the inside air mobility of device, moisture in the box 19 can the absorbing device of the moisture absorption of 1 bottom of urceolus, avoid influencing depositing the quality of fertilizer because of weing. When fertilizer needs to be taken out, the fixing plate 14 is rotated, so that the guide plate 13 is in a horizontal state, and the material can be taken out. Carry inner tube 2 through handle 7, fertilizer passes through discharge gate 12 and flows, when loosening handle 7, inner tube 2 moves down under spring 9's the resilience, plugs up discharge gate 12, plays after taking fertilizer, and the device can self-sealing's effect, has effectively prevented because of can not in time close the accident that discharge gate 12 leads to the fertilizer inefficacy of depositing behind the fertilizer of taking.
The above examples are only used to illustrate the technical solutions of the present invention, but not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (6)

1. The utility model provides a fertilizer storage device for farming which characterized in that: comprises an outer barrel, an inner barrel, an upper limiting plate, a lower limiting plate, a top cover, a stirring motor, a handle, a feed inlet, a spring, a sliding block, a sliding groove, a discharge port, a guide plate, a fixed plate, a connecting column, a stirring shaft, a stirring blade, a movable comb and a moisture absorption box, wherein the sliding groove is formed in the inner wall of the outer barrel, the top cover is arranged at the upper end of the inner barrel, the upper limiting plate and the lower limiting plate are respectively arranged on the upper end surface and the lower end surface of the inner barrel, the feed inlet is arranged on the upper end surface of the top cover, the stirring motor is arranged at the central position of the upper end surface of the top cover, the handle is arranged on the upper end surface of the top cover, the spring is arranged on the outer surface of the inner barrel, the discharge port is formed, the bottom of the outer barrel is provided with the moisture absorption box.
2. A fertilizer storage unit for agricultural planting according to claim 1, wherein: the outer side of the upper end face of the inner barrel is sleeved with the upper limiting plate, the lower end face of the inner barrel is fixedly connected with the lower limiting plate, the side face of the lower limiting plate is fixedly connected with a sliding block, and the sliding block is matched with the sliding groove.
3. A fertilizer storage unit for agricultural planting according to claim 1, wherein: spring one end with go up spacing board fixed connection, the other end with spacing board fixed connection down, go up spacing board bottom face with urceolus top face joint.
4. A fertilizer storage unit for agricultural planting according to claim 1, wherein: the rotating part of the stirring motor is fixedly connected with the stirring shaft, the outer surface of the stirring shaft is fixedly connected with the stirring blades, the top ends of the stirring blades are rotatably connected with the movable comb through a rotating shaft, and the outer surface of the movable comb is provided with a plurality of groups of sharp teeth.
5. A fertilizer storage unit for agricultural planting according to claim 1, wherein: the cross section of the moisture absorption box is triangular, uniform through holes are formed in the inclined plane of the moisture absorption box, a sealing ring is arranged on the periphery of the right end face of the moisture absorption box, and the moisture absorption box is connected with the outer barrel in an inserting mode.
6. A fertilizer storage unit for agricultural planting according to claim 1, wherein: the area of the guide plate is larger than that of the discharge hole, and the guide plate is fixed through the fixing plate in a vertical state.
CN201910484335.8A 2019-06-05 2019-06-05 Fertilizer storage device for farming Pending CN112046896A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910484335.8A CN112046896A (en) 2019-06-05 2019-06-05 Fertilizer storage device for farming

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910484335.8A CN112046896A (en) 2019-06-05 2019-06-05 Fertilizer storage device for farming

Publications (1)

Publication Number Publication Date
CN112046896A true CN112046896A (en) 2020-12-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910484335.8A Pending CN112046896A (en) 2019-06-05 2019-06-05 Fertilizer storage device for farming

Country Status (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114223901A (en) * 2021-12-17 2022-03-25 青岛天元普康生物技术有限公司 Fat-soluble vitamin emulsion taking caprylic capric triglyceride as carrier
CN114698620A (en) * 2022-04-11 2022-07-05 党兴强 Afforestation spray set that spraying range was used can increase
CN117644475A (en) * 2024-01-26 2024-03-05 仰星环境科技(山东)有限公司 Negative pressure dust collector is used in processing of polishing

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114223901A (en) * 2021-12-17 2022-03-25 青岛天元普康生物技术有限公司 Fat-soluble vitamin emulsion taking caprylic capric triglyceride as carrier
CN114223901B (en) * 2021-12-17 2023-09-26 青岛天元普康生物技术有限公司 Fat-soluble vitamin emulsion using caprylic/capric glyceride as carrier
CN114698620A (en) * 2022-04-11 2022-07-05 党兴强 Afforestation spray set that spraying range was used can increase
CN117644475A (en) * 2024-01-26 2024-03-05 仰星环境科技(山东)有限公司 Negative pressure dust collector is used in processing of polishing
CN117644475B (en) * 2024-01-26 2024-04-19 仰星环境科技(山东)有限公司 Negative pressure dust collector is used in processing of polishing

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Application publication date: 20201208

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