CN108325419A - Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade - Google Patents

Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade Download PDF

Info

Publication number
CN108325419A
CN108325419A CN201810276325.0A CN201810276325A CN108325419A CN 108325419 A CN108325419 A CN 108325419A CN 201810276325 A CN201810276325 A CN 201810276325A CN 108325419 A CN108325419 A CN 108325419A
Authority
CN
China
Prior art keywords
water soluble
soluble fertilizer
mixing device
efficiency mixing
fertilizer high
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
CN201810276325.0A
Other languages
Chinese (zh)
Inventor
倪合青
崔兰君
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.)
ANHUI XINYUAN PACK TECHNOLOGY Co Ltd
Original Assignee
ANHUI XINYUAN PACK TECHNOLOGY 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 ANHUI XINYUAN PACK TECHNOLOGY Co Ltd filed Critical ANHUI XINYUAN PACK TECHNOLOGY Co Ltd
Priority to CN201810276325.0A priority Critical patent/CN108325419A/en
Publication of CN108325419A publication Critical patent/CN108325419A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B01F27/07Stirrers characterised by their mounting on the shaft
    • B01F27/074Stirrers characterised by their mounting on the shaft having two or more mixing elements being concentrically mounted on the same shaft
    • 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
    • B01F27/114Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections
    • B01F27/1145Helically shaped stirrers, i.e. stirrers comprising a helically shaped band or helically shaped band sections ribbon shaped with an open space between the helical ribbon flight and the rotating 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
    • B01F27/60Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis
    • B01F27/72Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices
    • B01F27/726Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a horizontal or inclined axis with helices or sections of helices with two helices with opposite pitch on the same shaft; with two helices on the same axis, driven in opposite directions or at different speeds
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/30Driving arrangements; Transmissions; Couplings; Brakes
    • B01F2035/35Use of other general mechanical engineering elements in mixing devices
    • B01F2035/351Sealings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01FMIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F2101/00Mixing characterised by the nature of the mixed materials or by the application field
    • B01F2101/32Mixing fertiliser ingredients

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Fertilizers (AREA)

Abstract

The present invention provides a kind of Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade, including pedestal, the U-shaped staving being arranged on pedestal and driving mechanism, and it is horizontally placed at the agitating shaft that in U-shaped staving and bearing is connect between pedestal, the agitating shaft includes transmission main shaft, and at least two internal layer helical blades and at least two outer auger blades of spiral are connect and inverted each other with transmission main shaft by holder, left and right inverts spiral each other between two neighboring internal layer helical blade and two neighboring outer auger blade.The present invention uses special rabbling mechanism, and less residue, easy cleaning, discharging is quick, while using three seal structures, and triple guarantees can preferably play anti-leak.

Description

Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade
Technical field
The present invention relates to material hybrid technology fields, and in particular to a kind of mixing apparatus efficiently mixed for Water soluble fertilizer, Be mainly used for the production line that the solids such as Water soluble fertilizer mixing, dispensing are mixed with solid, powder with powder, be suitable for yield it is big, without Often replace the occasion mixing of kind.
Background technology
Currently, with the fast development of agricultural, Water soluble fertilizer is widely applied, and a great number of elements Water soluble fertilizer is that one kind can be complete It is dissolved in the polyelement composite fertilizer of water, it can promptly be dissolved in the water, it is easier to be absorbed by crops, and its absorption rate It is relatively high.But since the type of component content is more, it is desirable that each content composition is sufficiently mixed, but Water soluble fertilizer is past when making Insufficient toward addition trace element, uneven, especially various raw materials are uneven in mixing, influence the effect and product of Water soluble fertilizer Matter, and present hybrid mode is generally used and is stirred, this mode mixed effect is poor, particularly with various trace elements For raw material mixing, for cannot be satisfied the uniformity of micronutrient levels after grain forming, influencing the quality of Water soluble fertilizer and making Use effect.
Chinese patent CN206173242U discloses a kind of water-soluble fertilizer production system, including batch bin, the batch bin Top be equipped with multiple material inlets, the bottom of batch bin is equipped with the partition board for being used to open dispensing bin discharge port external, and partition board is equipped with One end of vibromixer, partition board is connect with cylinder, and the outlet of batch bin is also associated with putty-chaser-type mixer, and putty-chaser-type mixer goes out It is connected by vacuum pumping pump and centrifugal drum sieve at material mouth, wind-force spiral shell is equipped between vacuum pumping pump and the discharge port of putty-chaser-type mixer Mixer is revolved, nutrient solution spray equipment and hot air seasoning entrance, centrifugal drum are connected with by pipeline respectively on centrifugal drum sieve The outlet of sieve is connect with Water soluble fertilizer storage tank, and the outlet of centrifugal drum sieve is connect by condenser with nutrient solution spray equipment.Structure Rationally, easy to operate, it can realize that three-level mixes, good mixing effect can make the micronutrient levels of each particle uniform, can improve The quality and using effect of Water soluble fertilizer.
But said program is complicated, larger using three-level mixing occupied space, and maintenace point is more, mixing apparatus cleaning Inconvenience, mixture homogeneity is not high, and mixing velocity is slow, efficiency is low, is easily destroyed the reset condition of material, residual.
In addition, existing Water soluble fertilizer mixing apparatus is since the mixed material variety of needs is more, poor sealing, sealing element holds It is perishable.
Invention content
The present invention provides a kind of Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade, by the way that special stirring is arranged Axis and sealing mechanism realize Water soluble fertilizer be sufficiently mixed and sealing effect.
In order to solve the above technical problems, the present invention adopts the following technical scheme that:
A kind of Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade, including pedestal, the U-shaped staving that is arranged on pedestal and Driving mechanism, and it is horizontally placed at the agitating shaft that in U-shaped staving and bearing is connect between pedestal, the agitating shaft includes transmission Main shaft, and at least two internal layer helical blades and at least two of spiral are connect by holder and inverted each other with transmission main shaft A outer auger blade, left and right inverts spiral shell each other between two neighboring internal layer helical blade and two neighboring outer auger blade Rotation.
Further, the holder along rotation main shaft axial direction vertical interlaced arrangement, take by the both ends of the outer auger blade The diagonal end outer rim of two neighboring holder in the same plane is connect, the both ends of the internal layer helical blade are overlapped on same plane On the inside of the diagonal end of interior two neighboring holder.
Further, it is sealed by airtight and watertight padding mechanism between the agitating shaft and pedestal, the airtight and watertight padding mechanism Coaxially offered including the sleeve body being set on agitating shaft, on the inner wall of the sleeve body at least two be sequentially communicated it is small Annular groove and a big annular groove, the small annular groove close to U-shaped staving, the big annular groove far from U-shaped staving and with the small annular groove that is connected Connection, the big annular groove are connected to by inflatable mouth with external compressed air equipment.
Preferably, the one end of the sleeve body far from U-shaped staving is formed with snap ring groove, is filled in the snap ring groove Filler plugs are arranged with the supported flange for resisting filler plugs on the agitating shaft.
Preferably, the filler plugs use multi-turn Teflon filler plugs.
Preferably, the supported flange is formed with inclined-plane close to one end of filler plugs, the beveled end and filler plugs on the inclined-plane Radially outward edge contact.
Preferably, the U-shaped staving is horizontal staving, and the top of the U-shaped staving offers feed inlet, U-shaped staving bottom end Discharge outlet be provided with operated pneumatic valve.
By above technical scheme it is found that the present invention uses special rabbling mechanism, less residue, easy cleaning, discharging is fast Speed, while three seal structures are used, triple guarantees can preferably play anti-leak.
Description of the drawings
Fig. 1 is the axonometric drawing of Water soluble fertilizer high-efficiency mixing device of the present invention;
Fig. 2 is the side view of Water soluble fertilizer high-efficiency mixing device of the present invention;
Fig. 3 is the axial sectional view of Water soluble fertilizer high-efficiency mixing device of the present invention;
Fig. 4 is the sectional view of airtight and watertight padding mechanism in the present invention, and shows the installation site of airtight and watertight padding mechanism;
Fig. 5 is the structural schematic diagram of agitating shaft in the present invention.
Specific implementation mode
A kind of preferred embodiment of the present invention is described in detail below in conjunction with the accompanying drawings.
As shown in Figure 1,2 and 3, it is described based on the Water soluble fertilizer high-efficiency mixing device of double-layer spiral blade by pedestal 1, U-shaped bucket Body 2, driving mechanism 3 and agitating shaft 4 are constituted, and wherein pedestal is played a supporting role, and U-shaped staving is mounted on pedestal, agitating shaft water Placing flat is connected between both ends and pedestal by plummer block housing bearing 7 in U-shaped staving, and driving mechanism is mounted on U-shaped staving Side, for driving agitating shaft to be stirred mixing to material in U-shaped staving.
The U-shaped staving 2 is horizontal staving, and the top of the U-shaped staving offers feed inlet 21, the cover board form of feed inlet It is optional, vacuum feeder can be above connect, Manual material feeding mouth can be also connect, can also connect out a variety of feeding forms such as bag station machine.U-shaped staving It is provided with operated pneumatic valve 23 at the discharge port 22 of bottom end, operated pneumatic valve is closed when mixing, and operated pneumatic valve opening is put after mixing Material.
As shown in figure 4, being sealed by airtight and watertight padding mechanism 5 between the agitating shaft 4 and pedestal, the airtight and watertight padding machine Structure includes the sleeve body 51 being set on agitating shaft, is coaxially opened up on the inner wall of the sleeve body small there are three being sequentially communicated Annular groove 52 and one big annular groove 53, the small annular groove is close to U-shaped staving, and the big annular groove is far from U-shaped staving and small with being connected Annular groove is connected to, which is connected to by inflatable mouth 54 with external compressed air equipment.Small annular groove can be used for that U-shaped bucket will be come from Dust in body is collected, and avoids blocking, and destroys sealing element, carries out first of ring-groove-type sealing, and big ring is arranged Slot is to carry out the air seal of second to keep certain air pressure.
The one end of the sleeve body 51 far from U-shaped staving is formed with snap ring groove, and filler is filled in the snap ring groove Plug 55, the filler plugs use multi-turn Teflon filler plugs, the supported flange for resisting filler plugs are arranged on the agitating shaft 56, the filler plugs form the packing seal in third road.The present invention is permanently effective to be set to mixing by the way that three seals are arranged Standby to carry out lasting seals, regular dismounting cleans annular groove, provides the service life of equipment.
In order to effectively compress filler plugs, the supported flange 56 is formed with inclined-plane 57 close to one end of filler plugs, the inclined-plane Beveled end contacted with the radially outward edge of filler plugs 55, so that the active force of supported flange has radially inward point Power makes Teflon filler plugs hold transmission shaft tightly always, prevents dust leakage.
As shown in figure 5, the agitating shaft 4 includes transmission main shaft 41, and it is connect with transmission main shaft by holder 6 and mutual To invert the multiple internal layer helical blades 42 and multiple outer auger blades 43 of spiral, two neighboring internal layer helical blade and phase Left and right inverts spiral each other between adjacent two outer auger blades.
Double-layer spiral blade is arranged on transmission main shaft 41, helical blade is designed to that inside and outside, left and right inverts spiral each other, in U Rotation in type staving, the internal layer helical blade 42 at transmission main shaft axle center is in an axial direction by interior to both sides promotion, in wider model Interior turning over materials is enclosed, outer auger blade 43 is pushed by both sides to center in an axial direction, and outer auger blade is lateral by two by material Interior movement makes material infiltration back and forth, under another part material is taken off by helical blade, radial motion in an axial direction, to form convection current Cycle.Material forms an efficient hybird environment of low dynamics under the convective motion of double-layer spiral blade, maximum in staving Range turning over materials so that mixed material can be mixed uniformly within a short period of time.Preferably, the discharge port of U-shaped staving 22 Underface in the middle part of agitating shaft, facilitates discharge.
Along rotation main shaft axial direction vertical interlaced arrangement, the both ends of the outer auger blade 43 are overlapped on together the holder 6 The both ends of the diagonal end outer rim of two neighboring holder in one plane, the internal layer helical blade 42 overlap in the same plane On the inside of the diagonal end of two neighboring holder.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the model of the present invention It encloses and is defined, under the premise of not departing from design spirit of the present invention, technical side of the those of ordinary skill in the art to the present invention The various modifications and improvement that case is made should all be fallen into the protection domain of claims of the present invention determination.

Claims (7)

1. the Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade, including pedestal, the U-shaped staving that is arranged on pedestal and drive Motivation structure, and it is horizontally placed at the agitating shaft that in U-shaped staving and bearing is connect between pedestal, which is characterized in that the stirring Axis includes transmission main shaft, and connect and invert each other at least two internal layer helical-blades of spiral with transmission main shaft by holder Piece and at least two outer auger blades, left and right between two neighboring internal layer helical blade and two neighboring outer auger blade Spiral is inverted each other.
2. Water soluble fertilizer high-efficiency mixing device according to claim 1, which is characterized in that the holder is axial along rotation main shaft Vertical interlaced arranges that the diagonal end that the both ends of the outer auger blade overlap two neighboring holder in the same plane is outer Edge, the both ends of the internal layer helical blade overlap on the inside of the diagonal end of two neighboring holder in the same plane.
3. Water soluble fertilizer high-efficiency mixing device according to claim 1 or 2, which is characterized in that the agitating shaft and pedestal it Between be sealed by airtight and watertight padding mechanism, which includes the sleeve body being set on agitating shaft, the sleeve The small annular groove and a big annular groove that at least two are sequentially communicated coaxially are offered on the inner wall of ontology, the small annular groove is close to U-shaped Staving, the big annular groove are connected to far from U-shaped staving and with the small annular groove being connected, which passes through inflatable mouth and external compression Air device is connected to.
4. Water soluble fertilizer high-efficiency mixing device according to claim 3, which is characterized in that the sleeve body is far from U-shaped bucket One end of body is formed with snap ring groove, and filler plugs are filled in the snap ring groove, is arranged on the agitating shaft and is filled out for resisting Expect the supported flange of plug.
5. Water soluble fertilizer high-efficiency mixing device according to claim 4, which is characterized in that the filler plugs use multi-turn Teflon Imperial filler plugs.
6. Water soluble fertilizer high-efficiency mixing device according to claim 4, which is characterized in that the supported flange is close to filler plugs One end be formed with inclined-plane, the beveled end on the inclined-plane is contacted with the radially outward edge of filler plugs.
7. Water soluble fertilizer high-efficiency mixing device according to claim 1 or 2, which is characterized in that the U-shaped staving is horizontal bucket The top of body, the U-shaped staving offers feed inlet, and the discharge outlet of U-shaped staving bottom end is provided with operated pneumatic valve.
CN201810276325.0A 2018-03-30 2018-03-30 Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade Pending CN108325419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810276325.0A CN108325419A (en) 2018-03-30 2018-03-30 Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810276325.0A CN108325419A (en) 2018-03-30 2018-03-30 Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade

Publications (1)

Publication Number Publication Date
CN108325419A true CN108325419A (en) 2018-07-27

Family

ID=62931849

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810276325.0A Pending CN108325419A (en) 2018-03-30 2018-03-30 Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade

Country Status (1)

Country Link
CN (1) CN108325419A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113663592A (en) * 2021-09-27 2021-11-19 成都欣恒雅科技有限公司 Spiral stirring assembly of biodegradable fecal treatment device

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101385951A (en) * 2008-10-15 2009-03-18 江苏德美科技有限公司 Vortex powder mixer
CN202349217U (en) * 2011-11-17 2012-07-25 江苏牧羊集团有限公司 Sealing structure for shaft end of mixer
CN203210518U (en) * 2013-03-13 2013-09-25 祥丰(浙江)金属制品有限公司 Stirrer on a stirring machine for preparing high-strength ceramic powder
CN204673786U (en) * 2015-06-09 2015-09-30 福建南方路面机械有限公司 High efficient horizontal mixer and commodity mortar mixing plant
CN105396482A (en) * 2015-11-23 2016-03-16 天津碎易得环保工程技术有限公司 Horizontal mixer
CN106731979A (en) * 2017-01-23 2017-05-31 山东双源印铁制罐有限公司 A kind of convertible mould wash mixer
CN206415011U (en) * 2017-01-23 2017-08-18 山东双源印铁制罐有限公司 A kind of convertible mould wash mixer
CN208229715U (en) * 2018-03-30 2018-12-14 安徽信远包装科技有限公司 Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101385951A (en) * 2008-10-15 2009-03-18 江苏德美科技有限公司 Vortex powder mixer
CN202349217U (en) * 2011-11-17 2012-07-25 江苏牧羊集团有限公司 Sealing structure for shaft end of mixer
CN203210518U (en) * 2013-03-13 2013-09-25 祥丰(浙江)金属制品有限公司 Stirrer on a stirring machine for preparing high-strength ceramic powder
CN204673786U (en) * 2015-06-09 2015-09-30 福建南方路面机械有限公司 High efficient horizontal mixer and commodity mortar mixing plant
CN105396482A (en) * 2015-11-23 2016-03-16 天津碎易得环保工程技术有限公司 Horizontal mixer
CN106731979A (en) * 2017-01-23 2017-05-31 山东双源印铁制罐有限公司 A kind of convertible mould wash mixer
CN206415011U (en) * 2017-01-23 2017-08-18 山东双源印铁制罐有限公司 A kind of convertible mould wash mixer
CN208229715U (en) * 2018-03-30 2018-12-14 安徽信远包装科技有限公司 Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113663592A (en) * 2021-09-27 2021-11-19 成都欣恒雅科技有限公司 Spiral stirring assembly of biodegradable fecal treatment device

Similar Documents

Publication Publication Date Title
CN207187726U (en) A kind of chemical industry solid-liquid material hybrid reactor
CN107233837A (en) Shock-absorbing support garden soil crushes charging mixed stirring device
CN107754671A (en) A kind of mosquito-repellent incense production of raw material for use agitating device
CN107030916A (en) A kind of rubber raw materials processing kneading machine
CN104128114B (en) Stirring barrel of canned food mixer
CN206701113U (en) A kind of packaging film processing blender of blanking efficiency high
CN208229715U (en) Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade
CN207203994U (en) Shock-absorbing support garden soil crushes charging mixed stirring device
CN206793502U (en) A kind of pollution-free modern chemical industry slurry processor
CN108325419A (en) Water soluble fertilizer high-efficiency mixing device based on double-layer spiral blade
CN208229686U (en) With multi-layer sealed powder, high efficiency particulate mixing arrangement
CN209639530U (en) A kind of tungsten carbide powder automatic feeding system
CN106955611A (en) A kind of novel electric batch mixing instrument
CN108295686A (en) With multi-layer sealed powder, high efficiency particulate mixing arrangement
CN205361133U (en) Agricultural living things type is water -soluble fertile in agravic machine that mixes
CN211837910U (en) Mixing arrangement is used in drilling fluid plugging agent preparation
CN206254350U (en) A kind of material mixing device
CN210500903U (en) High-speed compounding device of high life buried HDPE double-walled bellows
CN208066200U (en) A kind of mosquito-repellent incense production of raw material for use agitating device
CN206911186U (en) A kind of good chemical industry raw material agitator of mixing effect
CN209039366U (en) A kind of coating device for compound fertilizer granule
CN210186949U (en) Vertical stirring mill for stirring and grinding organic matters and inorganic matters
CN216987241U (en) Environment-friendly anti-caking powder production equipment
CN106823909A (en) A kind of granule materials mixer
CN105251404B (en) A kind of amino acid bio-organic fertilizer production mixer

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination