CN111514780A - Stirring and mixing device and fertilizing equipment - Google Patents
Stirring and mixing device and fertilizing equipment Download PDFInfo
- Publication number
- CN111514780A CN111514780A CN202010322952.0A CN202010322952A CN111514780A CN 111514780 A CN111514780 A CN 111514780A CN 202010322952 A CN202010322952 A CN 202010322952A CN 111514780 A CN111514780 A CN 111514780A
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- China
- Prior art keywords
- air
- mixed liquid
- mixing
- solid
- air pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
- B01F27/90—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with paddles or arms
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/001—Sludge spreaders, e.g. liquid manure spreaders
- A01C23/002—Sludge spreaders, e.g. liquid manure spreaders provided with auxiliary arrangements, e.g. pumps, agitators, cutters
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01C—PLANTING; SOWING; FERTILISING
- A01C23/00—Distributing devices specially adapted for liquid manure or other fertilising liquid, including ammonia, e.g. transport tanks or sprinkling wagons
- A01C23/04—Distributing under pressure; Distributing mud; Adaptation of watering systems for fertilising-liquids
- A01C23/047—Spraying of liquid fertilisers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F21/00—Dissolving
- B01F21/10—Dissolving using driven stirrers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/40—Mixers using gas or liquid agitation, e.g. with air supply tubes
- B01F33/402—Mixers using gas or liquid agitation, e.g. with air supply tubes comprising supplementary stirring elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
- B01F35/32—Driving arrangements
- B01F35/32005—Type of drive
- B01F35/3203—Gas driven
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/50—Mixing receptacles
- B01F35/514—Mixing receptacles the mixing receptacle or conduit being transparent or comprising transparent parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
- B01F35/717—Feed mechanisms characterised by the means for feeding the components to the mixer
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Soil Sciences (AREA)
- Environmental Sciences (AREA)
- Fertilizing (AREA)
Abstract
The invention is suitable for the technical field of agricultural equipment, and provides a stirring and mixing device, which comprises: the air pump is communicated with the lower end of the mixed liquid tank in a tangent mode through an air pipe; the solid hopper is used for containing solid raw materials, and the bottom of the solid hopper is communicated with the upper part of the gas pipe through the feed barrel; a rotating rod is rotatably arranged inside the feeding barrel, a plurality of air-driven parts are fixedly arranged on the side wall of the rotating rod, the air-driven parts are positioned inside the feeding barrel and the air pipe and drive the air-driven parts to rotate, the air-driven parts drive the rotating rod to rotate, the rotating rod rotates to enter the air pipe, and the air flow drives the solids to enter the mixed liquid box; the inside of the mixed liquid box is rotatably provided with a rotating shaft, the rotating shaft is fixedly provided with a plurality of fan blades and fan blades, and the fan blades are positioned at the port of the air pipe. The invention has the advantages that: simple structure, convenient operation, good mixing uniformity, ingenious design and convenient popularization and implementation.
Description
Technical Field
The invention belongs to the technical field of agricultural equipment, and particularly relates to a stirring and mixing device and fertilizing equipment.
Background
Agricultural machinery refers to various machinery used in the production process of crop planting industry and animal husbandry, and the primary processing and treatment process of agricultural and animal products, the agricultural machinery includes agricultural power machinery, farmland construction machinery, soil cultivation machinery, planting and fertilizing machinery, plant protection machinery, farmland irrigation and drainage machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery and agricultural transportation machinery, the generalized agricultural machinery also includes forestry machinery, fishery machinery and auxiliary machinery in rural areas such as silkworm, bee-keeping, and edible fungi cultivation, the agricultural machinery belongs to relative concept, and refers to a general name of all machinery used in agriculture, animal husbandry, forestry and fishery. At traditional agricultural in-process, need fertilize the soil, traditional fertilization can cause the fertilization inhomogeneous, and current open fertilization equipment, the compounding is inhomogeneous, can cause the fertilization inhomogeneous equally, causes partial plant malnutrition, and partial plant nutrient excess causes the plant dead.
Disclosure of Invention
The embodiment of the invention aims to provide a stirring and mixing device, and aims to solve the problem.
The embodiment of the invention is realized in such a way that the stirring and mixing device comprises:
the air pump is communicated with the lower end of the mixed liquid tank in a tangent mode through an air pipe;
the solid hopper is used for containing solid raw materials, and the bottom of the solid hopper is communicated with the upper part of the gas pipe through the feed barrel;
the pneumatic parts are positioned in the feeding barrel and the air pipe, air passes through the air pipe to drive the pneumatic parts to rotate, the pneumatic parts drive the rotating rods to rotate, solid in the solid hopper falls on the rotating rods between the pneumatic parts, the rotating rods rotate to enter the air pipe, and air flow drives the solid to enter the mixed liquid box; the inside of the mixed liquid box is rotatably provided with a rotating shaft, the rotating shaft is fixedly provided with a plurality of fan blades and fan blades, and the fan blades are positioned at the port of the air pipe.
In a preferred embodiment of the invention, the top of the solid hopper is hermetically and detachably fixed with a cover body.
In a preferred embodiment of the present invention, a top cover is detachably and hermetically fixed to the top of the mixing liquid tank.
In a preferred embodiment of the invention, the side wall of the mixed liquid tank is provided with an observation window, and scale marks are printed on the observation window.
In a preferred embodiment of the invention, a one-way valve for preventing liquid from flowing backwards is arranged on the inner wall of the mixed liquid tank at the port of the air pipe.
In a preferred embodiment of the invention, the one-way valve is provided with a rubber sheet, and the top of the one-way valve is fixed on the inner wall of the mixed liquid tank above the air pipe.
Another object of an embodiment of the present invention is to provide a fertilizing apparatus, including:
the bottom of the base is rotatably provided with a driving wheel, and the driving wheel is connected with a driving piece;
the water spraying piece is fixedly arranged on the lower surface of the base and communicated with the interior of the mixed liquid box, the mixed solution in the mixed liquid box enters the water spraying piece and is sprayed out of the ground, and a control valve is arranged on the water spraying piece; and the stirring and mixing device; wherein, the mixed liquid box and the air pump are fixedly arranged on the upper surface of the base.
In a preferred embodiment of the invention, the lower surface of one end of the base is provided with a universal wheel, and the universal wheel is provided with a clamping plate.
In a preferred embodiment of the invention, the castor is provided with two corners at the bottom end of the base 18.
In a preferred embodiment of the invention, a hollow stirring rod is fixedly arranged at the bottom of the rotating shaft, the lower end of the rotating shaft is also of a hollow structure, a plurality of through holes are formed in the stirring rod, the through holes are communicated with the lower end of the rotating shaft through the stirring rod, and the bottom of the rotating shaft is rotatably connected to the water spraying piece.
According to the stirring and mixing device provided by the embodiment of the invention, solid raw materials are placed in the solid hopper, a proper amount of liquid is injected into the mixed liquid box, the air pump is started, air passes through the air pipe under the action of the air pump, so that the pneumatic member is driven to rotate, the pneumatic member drives the rotating rod to rotate, the solid in the solid hopper falls on the rotating rod between the pneumatic members, the rotating rod rotates to enter the air pipe, and the air flow drives the solid to enter the mixed liquid box. The air flow flowing out from the air pipe blows the fan blades to rotate, so that the rotating shaft is driven to rotate, the fan blades are driven to rotate, the fan blades and the fan blades rotate to stir liquid in the mixed liquid box, solid and liquid are convenient to mix, the fan blades form up-and-down liquid circulation, accumulation of solid particles at the bottom in the mixed liquid box is avoided, and mixing uniformity is improved. Avoids the difficulty in dissolving caused by adding solid raw materials at one time, and improves the dissolving uniformity. Meanwhile, the water can be injected while the solid particles enter, so that quantitative control is realized. Practical air current drives feeding and stirring, makes the device simplification, has reduced manufacturing cost. The invention has the advantages that: simple structure, convenient operation, good mixing uniformity, ingenious design and convenient popularization and implementation.
Drawings
Fig. 1 is a perspective view of a stirring and mixing device according to an embodiment of the present invention;
fig. 2 is a schematic view of an internal structure of an agitating and mixing apparatus according to an embodiment of the present invention;
fig. 3 is a schematic perspective view of a fertilization device provided by an embodiment of the present invention;
fig. 4 is a schematic view of an internal structure of a fertilizing apparatus provided in the embodiment of the present invention;
in the drawings: the air pump 1, trachea 2, feed cylinder 3, solid hopper 4, lid 5, mixing liquid case 6, top cap 7, discharge valve 8, rotating rod 9, pnematic piece, axis of rotation 11, flabellum 12, fan blade 13, observation window 14, scale mark 15, water spray spare, drive wheel 17, base 18, puddler 19, check valve 20.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-2, a structure diagram of an agitation mixing apparatus provided in an embodiment of the present invention includes: air pump 1, solid hopper 4 and mixing liquid case 6, air pump 1 passes through the tangent intercommunication of trachea 2 at the lower extreme of mixing liquid case 6, and under air pump 1's effect, the air enters into the inside of mixing liquid case 6 through trachea 2, is provided with the water inlet on the mixing liquid case 6, can be to the inside injection liquid of mixing liquid case 6 through the water inlet. Solid raw materials are held to the inside of solid hopper 4, 3 intercommunications in trachea 2 upper portion are passed through to the bottom of solid hopper 4, the inside solid of solid hopper 4 receives the inside that the action of gravity falls on feed cylinder 3, the inside of feed cylinder 3 is rotated and is provided with and rotates rod 9, the fixed a plurality of wind pieces that are provided with of lateral wall that rotates rod 9, wind piece can be fixed plate 10, spoon body structure etc, wind piece is in feed cylinder 3 and trachea 2's inside, under the effect of air pump 1, the air is inside through trachea 2, thereby it rotates to drive wind piece, wind piece drives and rotates rod 9 and rotates, the inside solid of solid hopper 4 falls on the rotation rod 9 between the wind piece, thereby rotate rod 9 and rotate the inside that enters into trachea 2, air current drives the inside that the solid enters into mixing fluid case 6. The inside of the mixed liquid box 6 is rotatably provided with a rotating shaft 11, the rotating shaft 11 is fixedly provided with a plurality of fan blades 12 and fan blades 13, and the fan blades 13 are positioned at the port position of the air pipe 2. The air flow flowing out from the air pipe 2 blows the fan blades 13 to rotate, so that the rotating shaft 11 is driven to rotate, the fan blades 12 are driven to rotate, the fan blades 12 and the fan blades 13 rotate to stir the liquid in the mixed liquid tank 6, solid and liquid are convenient to mix, the fan blades 12 form up-and-down liquid circulation, accumulation of solid particles at the bottom in the mixed liquid tank 6 is avoided, and the mixing uniformity is improved. The top cover 7 is provided with an exhaust valve 8, and the exhaust valve 8 is arranged to facilitate the discharge of redundant gas in the mixed liquid tank 6.
In the embodiment of the invention, solid raw materials are put into the solid hopper 4, a proper amount of liquid is injected into the mixed liquid box 6, the air pump 1 is started, air passes through the air pipe 2 under the action of the air pump 1, so that the pneumatic element is driven to rotate, the pneumatic element drives the rotating rod 9 to rotate, the solid in the solid hopper 4 falls on the rotating rod 9 between the pneumatic elements, the rotating rod 9 rotates to enter the air pipe 2, and the air flow drives the solid to enter the mixed liquid box 6. The air flow flowing out from the air pipe 2 blows the fan blades 13 to rotate, so that the rotating shaft 11 is driven to rotate, the fan blades 12 are driven to rotate, the fan blades 12 and the fan blades 13 rotate to stir the liquid in the mixed liquid tank 6, solid and liquid are convenient to mix, the fan blades 12 form up-and-down liquid circulation, accumulation of solid particles at the bottom in the mixed liquid tank 6 is avoided, and the mixing uniformity is improved. Avoids the difficulty in dissolving caused by adding solid raw materials at one time, and improves the dissolving uniformity. Meanwhile, the water can be injected while the solid particles enter, so that quantitative control is realized.
In an example of the present invention, the top of the solid hopper 4 is hermetically and detachably fixed with a cover 5, the cover 5 can be fixed by screws, handle pressing, and the like, and the cover 5 is arranged to avoid air leakage of the solid hopper 4, which causes feeding difficulty.
As a preferred embodiment of the present invention, a top cover 7 is detachably and hermetically fixed to the top of the mixed liquid tank 6, and the top cover 7 is provided to facilitate opening of the mixed liquid tank 6, thereby facilitating maintenance and cleaning of the inside of the mixed liquid tank 6.
In a preferred embodiment of the present invention, an observation window 14 is opened in a side wall of the mixed liquid tank 6, and the observation window 14 is provided to facilitate observation of the conditions inside the mixed liquid tank 6, including the rotation stirring condition and the dissolution condition of the rotating shaft 11. The observation window 14 is marked with scale lines 15, and the scale lines 15 are arranged to quantitatively control the amount of liquid inside the mixed liquid tank 6 and to control the rate of liquid entry, thereby controlling the dissolution concentration and volume.
As a preferred embodiment of the present invention, a check valve 20 is provided on the inner wall of the mixed liquid tank 6 at the port of the gas pipe 2, and the check valve 20 prevents the liquid inside the mixed liquid tank 6 from entering the inside of the gas pipe 2 and flowing backward into the inside of the solid hopper 4 to cause contamination, thereby increasing the safety of the apparatus. Check valve 20 can be a sheet of rubber, and the top is fixed on the inner wall of mixed liquid case 6 above trachea 2, when gaseous the entering, backs the film on, and air pump 1 stop work, and under hydraulic effect, the rubber slab is closed. The rubber plate is soft in texture and has small air resistance.
As shown in fig. 3 to 4, an embodiment of the present invention further provides a fertilizing apparatus, including: base 18 for support equipment, drive wheel 17 rotates the bottom that sets up at base 18 to be connected with the driving piece, under the effect of driving piece, drive wheel 17 rotates, thereby has avoided the manpower to promote, has reduced fertilization work load. And a water spraying member fixedly installed on the lower surface of the base 18 and communicated with the inside of the mixed liquid tank 6, wherein the mixed solution in the mixed liquid tank 6 enters the water spraying member and is sprayed to the ground, thereby fertilizing. The water spraying piece can be a water spraying pipe 16, a water spraying plate and the like, and a control valve is arranged on the water spraying piece, and the flow inside the water spraying piece can be controlled through the control valve.
In the embodiment of the invention, fertilizer raw materials are put into the solid hopper 4, a proper amount of water is injected into the mixed liquid tank 6, the exhaust valve 8 is opened, the air pump 1 is started, air passes through the air pipe 2 under the action of the air pump 1, so that the pneumatic element is driven to rotate, the pneumatic element drives the rotating rod 9 to rotate, the fertilizer in the solid hopper 4 falls on the rotating rod 9 between the pneumatic elements, the rotating rod 9 rotates to enter the air pipe 2, and the air flow drives the fertilizer to enter the mixed liquid tank 6. The air flow flowing out from the air pipe 2 blows the fan blades 13 to rotate, so that the rotating shaft 11 is driven to rotate, the fan blades 12 are driven to rotate, the fan blades 12 and the fan blades 13 rotate to stir liquid in the mixed liquid tank 6, solid and liquid are convenient to mix, the fan blades 12 form up-and-down liquid circulation, fertilizer particles are prevented from being stacked at the bottom in the mixed liquid tank 6, and the mixing uniformity is improved. After the mixture is uniform, the exhaust valve 8 is closed, the control valve is opened, the air pump 1 pumps air continuously, positive pressure is formed inside the mixed liquid tank 6, and the mixed liquid enters the inside of the water spraying part and is sprayed to the ground, so that fertilization is performed. The top cover 7 is started to perform the fertilizing operation.
In one embodiment of the present invention, a universal wheel is disposed on a lower surface of one end of the base 18, a clamping plate is disposed on the universal wheel, the clamping plate has a braking effect on the universal wheel, and the universal wheel is disposed to facilitate steering and fixing of the base 18. The castor is provided with two corners at the bottom end of the base 18 to avoid the castor rolling up against wet ground.
In an embodiment of the present invention, a hollow stirring rod 19 is fixedly disposed at the bottom of the rotating shaft 11, the lower end of the rotating shaft 11 is also hollow, and a plurality of through holes are formed in the stirring rod 19. The through-hole passes through the 11 lower extremes of puddler 19 intercommunication axis of rotation, and the bottom of axis of rotation 11 is passed through the bearing seal and is rotated and connect on the water spray spare, and puddler 19 rotates along with axis of rotation 11, mixes the liquid and enters into the puddler 19 of rotation in-process through the through-hole to finally enter into inside the water spray spare, inside bottom debris entered into the water spray spare in the mixed liquid case 6 had been avoided in the setting of puddler 19, perhaps mixed inhomogeneous mixed liquid and discharged through the water spray spare.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An agitator mixing device, comprising:
the air pump is communicated with the lower end of the mixed liquid tank in a tangent mode through an air pipe;
the solid hopper is used for containing solid raw materials, and the bottom of the solid hopper is communicated with the upper part of the gas pipe through the feed barrel;
the pneumatic parts are positioned in the feeding barrel and the air pipe, air passes through the air pipe to drive the pneumatic parts to rotate, the pneumatic parts drive the rotating rods to rotate, solid in the solid hopper falls on the rotating rods between the pneumatic parts, the rotating rods rotate to enter the air pipe, and air flow drives the solid to enter the mixed liquid box; the inside of the mixed liquid box is rotatably provided with a rotating shaft, the rotating shaft is fixedly provided with a plurality of fan blades and fan blades, and the fan blades are positioned at the port of the air pipe.
2. The mixing and stirring apparatus of claim 1, wherein the top of the solids hopper is sealingly removably secured with a cover.
3. The mixing apparatus of claim 1, wherein a top cover is removably and sealingly attached to the top of the mixing fluid tank.
4. The stirring and mixing device of claim 1, wherein the side wall of the mixing tank is provided with an observation window, and the observation window is marked with scale marks.
5. The mixing apparatus of claim 1, wherein the port of the air tube is provided with a check valve on an inner wall of the mixing liquid tank to prevent the liquid from flowing backward.
6. The mixing apparatus of claim 5, wherein the one-way valve is a rubber sheet and the top of the one-way valve is fixed to the inner wall of the mixing tank above the air pipe.
7. A fertilizing apparatus, characterized in that the fertilizing apparatus comprises:
the bottom of the base is rotatably provided with a driving wheel, and the driving wheel is connected with a driving piece;
the water spraying piece is fixedly arranged on the lower surface of the base and communicated with the interior of the mixed liquid box, the mixed solution in the mixed liquid box enters the water spraying piece and is sprayed out of the ground, and a control valve is arranged on the water spraying piece; and
the stirring and mixing device of any one of claims 1-6;
wherein, the mixed liquid box and the air pump are fixedly arranged on the upper surface of the base.
8. The fertilizing apparatus as claimed in claim 7, wherein a universal wheel is provided on the lower surface of one end of the base, and a clamping plate is provided on the universal wheel.
9. A fertilising apparatus as claimed in claim 8, characterised in that the castor wheel is provided with two and at the bottom end of the base 18 at the corners thereof.
10. The fertilizing apparatus as claimed in claim 7, wherein a hollow stirring rod is fixedly arranged at the bottom of the rotating shaft, the lower end of the rotating shaft is also hollow, a plurality of through holes are formed in the stirring rod, the through holes are communicated with the lower end of the rotating shaft through the stirring rod, and the bottom of the rotating shaft is rotatably connected to the water spraying member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322952.0A CN111514780A (en) | 2020-04-22 | 2020-04-22 | Stirring and mixing device and fertilizing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010322952.0A CN111514780A (en) | 2020-04-22 | 2020-04-22 | Stirring and mixing device and fertilizing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111514780A true CN111514780A (en) | 2020-08-11 |
Family
ID=71910658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010322952.0A Withdrawn CN111514780A (en) | 2020-04-22 | 2020-04-22 | Stirring and mixing device and fertilizing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111514780A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221375A (en) * | 2020-10-10 | 2021-01-15 | 温翠真 | Dye mixing device for spinning |
| CN113198380A (en) * | 2021-05-19 | 2021-08-03 | 深圳市明灯科技有限公司 | A mediation formula feeding device for preparing coking inhibitor |
-
2020
- 2020-04-22 CN CN202010322952.0A patent/CN111514780A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112221375A (en) * | 2020-10-10 | 2021-01-15 | 温翠真 | Dye mixing device for spinning |
| CN113198380A (en) * | 2021-05-19 | 2021-08-03 | 深圳市明灯科技有限公司 | A mediation formula feeding device for preparing coking inhibitor |
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Application publication date: 20200811 |
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| WW01 | Invention patent application withdrawn after publication |