CN208526596U - Liquid fertilizer production equipment - Google Patents
Liquid fertilizer production equipment Download PDFInfo
- Publication number
- CN208526596U CN208526596U CN201820711400.7U CN201820711400U CN208526596U CN 208526596 U CN208526596 U CN 208526596U CN 201820711400 U CN201820711400 U CN 201820711400U CN 208526596 U CN208526596 U CN 208526596U
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- Prior art keywords
- reaction kettle
- liquid
- vertical tube
- reaction
- reaction unit
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- Expired - Fee Related
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- 239000007788 liquid Substances 0.000 title claims abstract description 77
- 239000003337 fertilizer Substances 0.000 title claims abstract description 39
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 86
- 239000007921 spray Substances 0.000 claims abstract description 15
- 230000001141 propulsive effect Effects 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 18
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 7
- 238000007789 sealing Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 abstract description 10
- 238000002360 preparation method Methods 0.000 abstract description 6
- 230000035484 reaction time Effects 0.000 abstract description 5
- 239000006193 liquid solution Substances 0.000 abstract description 4
- 235000015097 nutrients Nutrition 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 238000005336 cracking Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000000376 reactant Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 235000016709 nutrition Nutrition 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000036632 reaction speed Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000011344 liquid material Substances 0.000 description 1
- 239000012263 liquid product Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000618 nitrogen fertilizer Substances 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Fertilizers (AREA)
Abstract
The utility model relates to fertilizer processing equipment fields, especially liquid fertilizer production equipment, including a reaction unit, are equipped with several guide metering devices in the top of reaction unit, are equipped with a temperature-adjusting device in the outside of reaction unit；The guide metering device includes a vertical tube, a feed pipe being connected to inside it is equipped in the top side of vertical tube, it is equipped with the safety valve of a preset pressure at the middle part of vertical tube, is equipped with a spray head in vertical tube bottom, the spray head is matched with the feed end of the reaction unit.It is reasonable in design, can efficiently control the proportional quantity of each liquid solution in production process, can efficiently control reaction temperature and reaction time during fertilizer is processed and reacted, to improve the efficiency and quality of liquid compound fertilizer preparation.
Description
Technical field
The utility model relates to fertilizer processing equipment fields, especially liquid fertilizer production equipment.
Background technique
Liquid fertilizer is also known as fluid fertilizer, is commonly called as liquid fertilizer, is with nutrient needed for one or more kinds of crops
Liquid product.It is broadly divided into liquid nitrogen fertilizer and liquid compound fertilizer two major classes.Containing there are many big-and-middle amount nutrition members in liquid fertilizer
Element integrates the microelement of state essential to also growing up strong and sturdy containing plant, allow plant is more easy to absorb, therefore liquid fertilizer
It is more and more extensive used in the Crops in Applying Fertilizer.It is more comprehensive that liquid compound fertilizer belongs to nutritional ingredient again in liquid fertilizer
A kind of liquid fertilizer, therefore its demand is also stepped up.Multi-section processing technology is usually required when producing liquid compound fertilizer,
The control of various nutrient components is needed more accurate and is needed during preparation during progress liquid compound fertilizer
Accurately control reaction time and the extent of reaction, reaction effect；But carry out liquid compound fertilizer system in production at present
It is usually complex for operation step and the reasonable reaction of reactant cannot be controlled well, not can guarantee the quality of production and efficiency when standby,
Finally make the liquid fertilizer manufactured during production second-rate, can not more effectively meet industrial demand.
Utility model content
Liquid fertilizer production equipment provided by the utility model, it is reasonable in design, production process can be efficiently controlled
In each liquid solution proportional quantity, fertilizer process react during can efficiently control reaction temperature with reacting when
Between, to improve the efficiency and quality of liquid compound fertilizer preparation.
Used technical solution is the utility model to solve above-mentioned technical problem: liquid fertilizer production equipment, including
One reaction unit, is equipped with several guide metering devices in the top of reaction unit, is equipped with a temperature in the outside of reaction unit
Regulating device；The guide metering device includes a vertical tube, is equipped with a charging being connected to inside it in the top side of vertical tube
Pipe, is equipped with the safety valve of a preset pressure at the middle part of vertical tube, is equipped with a spray head in vertical tube bottom, the spray head is reacted with described
The feed end of device matches；Intracavitary cooperation is equipped with a propulsive liquid piston in the vertical tube on feed pipe top, the propulsive liquid piston
Top is connected a piston rod, and the upper end of the piston rod is pierced by vertical tube and is fixedly connected with the output end of a propulsive liquid electric cylinders；Described
Propulsive liquid electric cylinders are connected on reaction unit by strut.
The reaction unit includes a reaction kettle being fixedly connected with by strut and each propulsive liquid electric cylinders, and the reaction kettle passes through branch
Leg be connected on the ground, the top of reaction kettle be equipped with several imports, each import respectively with each guide metering device
Vertical tube lower part socket-connects cooperation；A stirring parts are equipped in reaction kettle, the top movable sealing of the agitating shaft of the stirring parts is worn
It is connected at the top of reaction kettle and with a stirring motor out；The stirring motor is connected in the top of reaction kettle by bracket, is reacting
The bottom of kettle is equipped with a discharge nozzle being connected with external equipment, and an electromagnetic valve is equipped on discharge nozzle；In reaction kettle private side
A temperature sensor, pressure sensor are respectively equipped on wall；The temperature sensor, pressure sensor pass through conducting wire and one respectively
It is connected in the signal port of the display in reaction kettle exterior side wall, pressure gauge Wiring port is connected；It is equipped with meter over the display
When device.
A filter screen is respectively equipped in the upper chamber of each feed pipe.
The spray head is atomizer.
It is connected between the vertical tube and the spray head by flow meters.
The temperature-adjusting device includes the heat conducting sleeve of a fixed hollow setting being set on reaction kettle lateral wall, is being led
The inner wall of hot jacket is equipped with heating ring；The heating ring is connected by conducting wire with external power supply；In the top and bottom of heat conducting sleeve
It is respectively equipped with a charge pipe, drainage conduit；Electromagnetic valve is equipped in the charge pipe and drainage conduit；It is equipped in the side of charge pipe
One pressure balance mouth.
Beneficial effect possessed by the utility model is, reasonable in design, is passing through extraneous drainage set to this dress
When setting the various nutrients of conveying, the liquid containing various elements is injected into vertical tube by each feed pipe, then passes through propulsive liquid
Electric cylinders work, drives piston rod, piston press liquid that will make when pressure reaches the default cracking pressure of safety valve downwards
Safety valve is opened, and highly pressurised liquid will be measured by flowmeter, then be sprayed by atomizer, in this way convenient for liquid is equal
It is even to be sprayed onto the solution of reaction kettle, convenient for being mixed evenly for later period, by the total flow and cooperation of observing flowmeter
The driving velocity and frequency that operate propulsive liquid electric cylinders can efficiently control the proportional quantity of each liquid solution in production process, in fertilizer
Pass through temperature sensor, pressure sensor and the pressure inside temperature-adjusting device and reaction kettle during material processing reaction
Power table can efficiently control reaction temperature and reaction time, to improve the efficiency and quality of liquid compound fertilizer preparation.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the side structure schematic view of Fig. 1.
Fig. 3 is the right side structural representation of Fig. 2.
In figure, 1, vertical tube；2, feed pipe；3, safety valve；4, spray head；5, feed end；6, propulsive liquid piston；7, piston rod；
8, propulsive liquid electric cylinders；9, strut；10, reaction kettle；11, supporting leg；12, electromagnetic valve；13, import；14, stirring motor；15, bracket；
16, discharge nozzle；17, temperature sensor；18, pressure sensor；19, display；20, pressure gauge；21, filter screen；22, flow
Meter；23, heat conducting sleeve；24, ring is heated；25, charge pipe；26, drainage conduit；27, pressure balance mouth.
Specific embodiment
In order to clarify the technical characteristics of the invention, below by specific embodiment, and its attached drawing is combined, to this reality
It is described in detail with novel.
As illustrated in fig. 1-3, liquid fertilizer production equipment, including a reaction unit, if being equipped in the top of reaction unit
A dry guide metering device, by guide metering device can quickly and effectively by the outside of needs it is various it is certain density containing
The liquid of nutrient, which is imported into reaction kettle 10, waits subsequent reaction, is equipped with a temperature in the outside of reaction unit and adjusts dress
It sets, by the temperature sensor 17 inside temperature-adjusting device and reaction kettle 10, pressure during fertilizer is processed and reacted
Sensor 18 and pressure gauge 20 can efficiently control reaction temperature and reaction time, to improve liquid compound fertilizer preparation
Efficiency and quality；The guide metering device includes a vertical tube 1, is connected to equipped with one with inside it in the top side of vertical tube 1
Feed pipe 2 can be imported material by feed pipe 2, be equipped with the safety valve 3 of a preset pressure, safety valve at the middle part of vertical tube 1
3 type selecting and preset pressure can according to need amount and the speed of the liquid material of importing suitably to be selected, and be by this
Field technical staff voluntarily selects, and is equipped with a spray head 4, the feed end of the spray head 4 and the reaction unit in 1 bottom of vertical tube
5 match；Intracavitary cooperation is equipped with a propulsive liquid piston 6 in the vertical tube 1 on 2 top of feed pipe, and the top of the propulsive liquid piston 6 is connected
One piston rod 7, the upper end of the piston rod 7 are pierced by vertical tube 1 and are fixedly connected with the output end of a propulsive liquid electric cylinders 8；In the propulsive liquid
Electric cylinders 8 are connected on reaction unit by strut 9；The liquid containing various elements is injected into vertical tube 1 by each feed pipe 2,
Then it is worked by propulsive liquid electric cylinders 8, drives piston rod 7, piston press liquid when pressure reaches the default unlatching of safety valve 3 downwards
Safety valve 3 will be made to open when pressure, highly pressurised liquid will be measured by flowmeter 22, then be sprayed by atomizer
Out, in this way convenient for being uniformly sprayed onto liquid in the solution of reaction kettle 10, convenient for being mixed evenly for later period.
The reaction unit includes a reaction kettle 10 being fixedly connected with by strut 9 and each propulsive liquid electric cylinders 8, the reaction kettle 10
It is connected on the ground by supporting leg 11, is equipped with several imports 13 on the top of reaction kettle 10, each import 13 is respectively and respectively
1 lower part of vertical tube of guide metering device socket-connects cooperation；It is equipped with a stirring parts in reaction kettle 10, is driven by stirring motor 14
Stirring parts, which are stirred the reactant inside reaction kettle 10, can accelerate to react, and improve reaction speed and the adequacy reacted,
The top movable sealing of the agitating shaft of the stirring parts is pierced by 10 top of reaction kettle and is connected with a stirring motor 14；The stirring
Motor 14 is connected in the top of reaction kettle 10 by bracket 15, the bottom of reaction kettle 10 be equipped with one be connected with external equipment out
Expects pipe 16 is equipped with an electromagnetic valve 12 on discharge nozzle 16；A temperature sensor is respectively equipped in 10 internal side wall of reaction kettle
17, pressure sensor 18；The temperature sensor 17, pressure sensor 18 are connected in outside reaction kettle 10 by conducting wire and one respectively
Signal port, 20 Wiring port of pressure gauge of display 19 on portion's side wall are connected；It is equipped with timer on the display 19；Pass through
Pressure when temperature sensor 17, pressure sensor 18 can be by reaction temperatures and reaction in the confined space of reaction kettle 10
When timely feeding back on display 19 and pressure gauge 20, and can quickly record reaction by the timer on display 19
Between；Wherein temperature sensor 17, pressure sensor 18 and display 19, pressure gauge 20 use existing route when carrying out wiring
Connection has no innovation, belongs to connection type well known to those skilled in the art, is the prior art, repeats no more.
A filter screen 21 is respectively equipped in the upper chamber of each feed pipe 2；It can be intracorporal to liquid by filter screen 21
Granule foreign and the substance not melted completely are quickly and effectively filtered, and are guaranteed into the quality to element liquid.
The spray head 4 is atomizer；The liquid of sprinkling can be atomized, so as to quickly that liquid is uniform
Be sprayed in reaction kettle 10 so that sprinkling uniformly, thus when facilitating in subsequent reactions kettle 10 to be stirred reduce stirring institute
It takes time, promotes the extent of reaction and adequacy.
It is connected between the vertical tube 1 and the spray head 4 by flow meters 22；It can according to the flow of flowmeter 22 and time
It quickly obtains the total flow in certain time, is recorded convenient for express statistic.
The temperature-adjusting device includes the heat conducting sleeve 23 of a fixed hollow setting being set on 10 lateral wall of reaction kettle,
Heating ring 24 is equipped on the inner wall of heat conducting sleeve 23, by that can carry out to heating ring 24 after connecting conducting wire with external power supply
Heat temperature raising, to effectively come to change the temperature in reaction kettle 10 as needed；By charge pipe 25 to heat conducting sleeve 23
The some biggish liquid of ratio of heat capacities of injection can play the role of heat conducting sleeve 23 keeping the temperature (including cold insulation or thermal protection) in cavity,
And then heating ring 24 is adjusted, the temperature in reaction kettle 10 is finally effectively adjusted, more suitable temperature is at, thus
Reaction effect and adequacy can be improved；The heating ring 24 is connected by conducting wire with external power supply；In the upper end of heat conducting sleeve 23
A charge pipe 25, drainage conduit 26 are respectively equipped with lower end；Electromagnetic valve 12 is equipped in the charge pipe 25 and drainage conduit 26；?
The side of charge pipe 25 is equipped with a pressure balance mouth 27, and the pressure that pressure balance mouth 27 can guarantee to heat in 24 cavity of ring is kept
Balance prevents heating 24 internal pressure of ring and external damage that is excessively greatly different and leading to equipment., each solenoid valve passes through conducting wire respectively
It is connected with external power supply, it is more convenient quick in control
Before use, each equipment of the present apparatus is first respectively turned on power supply.Passing through extraneous drainage set to the present apparatus
When conveying various nutrients, the liquid containing various elements is injected into vertical tube 1 by each feed pipe 2, then passes through propulsive liquid
Electric cylinders 8 work, and drive piston rod 7, piston press liquid that will make when pressure reaches the default cracking pressure of safety valve 3 downwards
It obtains safety valve 3 to open, highly pressurised liquid will be measured by flowmeter 22, then be sprayed by atomizer, and being convenient in this way will
Liquid is uniformly sprayed onto the solution of reaction kettle 10, convenient for being mixed evenly for later period；Pass through stirring motor in reaction kettle 10
14 drive stirring parts, which are stirred the reactant inside reaction kettle 10, can accelerate to react, and improve reaction speed and fill with what is reacted
Divide property；By the way that after connecting conducting wire and external power supply heat temperature raising can be carried out to heating ring 24, to effectively carry out basis
It needs to change the temperature in reaction kettle 10；It is larger that some ratios of heat capacities are injected into the cavity of heat conducting sleeve 23 by charge pipe 25
Liquid can play the role of keeping the temperature (including cold insulation or thermal protection) to heat conducting sleeve 23, and then adjust heating ring 24, it is final effectively
Ground adjusts the temperature in reaction kettle 10, more suitable temperature is at, so as to improving reaction effect and adequacy.
The present apparatus is reasonable in design, when conveying various nutrients to the present apparatus by extraneous drainage set, leads to
It crosses each feed pipe 2 and injects the liquid containing various elements into vertical tube 1, then worked by propulsive liquid electric cylinders 8, downwards band piston
Bar 7, piston press liquid will make safety valve 3 open when pressure reaches the default cracking pressure of safety valve 3, highly pressurised liquid
It will be measured by flowmeter 22, then be sprayed by atomizer, be convenient for uniformly for liquid being sprayed onto reaction kettle 10 in this way
Solution in, convenient for being mixed evenly for later period, pass through the total flow and compounding practice propulsive liquid electric cylinders 8 of observation flowmeter 22
Driving velocity and frequency can efficiently control the proportional quantity of each liquid solution in production process, in fertilizer processing reaction
Pass through temperature sensor 17, pressure sensor 18 and the pressure gauge 20 inside temperature-adjusting device and reaction kettle 10 in the process
Reaction temperature and reaction time can be efficiently controlled, to improve the efficiency and quality of liquid compound fertilizer preparation, more effectively
Meets the needs of production and processing.
Above-mentioned specific embodiment cannot function as the limitation to scope of protection of the utility model, for the skill of the art
For art personnel, any alternate modification or transformation made to the utility model embodiment all fall within the guarantor of the utility model
It protects in range.
Place is not described in detail for the utility model, is the well-known technique of those skilled in the art of the present technique.
Claims (6)
1. liquid fertilizer production equipment, it is characterised in that: including a reaction unit, led in the top of reaction unit equipped with several
Expect metering device, is equipped with a temperature-adjusting device in the outside of reaction unit；The guide metering device includes a vertical tube, perpendicular
The top side of pipe is equipped with one and its internal feed pipe being connected to, and is equipped with the safety valve of a preset pressure at the middle part of vertical tube,
Vertical tube bottom is equipped with a spray head, and the spray head is matched with the feed end of the reaction unit；In the vertical tube on feed pipe top
Intracavitary cooperation is equipped with a propulsive liquid piston, and the connected piston rod in the top of the propulsive liquid piston, the upper end of the piston rod is pierced by perpendicular
The output end of mono- propulsive liquid electric cylinders of Guan Bingyu is fixedly connected with；It is connected on reaction unit in the propulsive liquid electric cylinders by strut.
2. liquid fertilizer production equipment according to claim 1, it is characterised in that: the reaction unit passes through branch including one
The reaction kettle that bar and each propulsive liquid electric cylinders are fixedly connected with, the reaction kettle are connected on the ground by supporting leg, are set on the top of reaction kettle
There are several imports, each import socket-connects with the vertical tube lower part of each guide metering device cooperation respectively；It is set in reaction kettle
There are a stirring parts, the top movable sealing of the agitating shaft of the stirring parts is pierced by the top of reaction kettle and is connected with a stirring motor；
The stirring motor is connected in the top of reaction kettle by bracket, the bottom of reaction kettle be equipped with one be connected with external equipment out
Expects pipe is equipped with an electromagnetic valve on discharge nozzle；A temperature sensor, pressure sensing are respectively equipped in reaction kettle internal side wall
Device；The temperature sensor, pressure sensor pass through conducting wire and one respectively and are connected in display in reaction kettle exterior side wall
Signal port, pressure gauge Wiring port are connected.
3. liquid fertilizer production equipment according to claim 2, it is characterised in that: divide in the upper chamber of each feed pipe
It She You not a filter screen.
4. liquid fertilizer production equipment according to claim 3, it is characterised in that: the spray head is atomizer.
5. liquid fertilizer production equipment according to claim 4, it is characterised in that: lead between the vertical tube and the spray head
Flow meters are crossed to be connected.
6. liquid fertilizer production equipment according to claim 5, it is characterised in that: the temperature-adjusting device includes one solid
Surely it is set in the heat conducting sleeve of the hollow setting on reaction kettle lateral wall, heating ring is equipped on the inner wall of heat conducting sleeve；The heating
Ring is connected by conducting wire with external power supply；A charge pipe, drainage conduit are respectively equipped in the top and bottom of heat conducting sleeve；The charging
Electromagnetic valve is equipped in pipe and drainage conduit；A pressure balance mouth is equipped in the side of charge pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711400.7U CN208526596U (en) | 2018-05-14 | 2018-05-14 | Liquid fertilizer production equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820711400.7U CN208526596U (en) | 2018-05-14 | 2018-05-14 | Liquid fertilizer production equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208526596U true CN208526596U (en) | 2019-02-22 |
Family
ID=65393792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820711400.7U Expired - Fee Related CN208526596U (en) | 2018-05-14 | 2018-05-14 | Liquid fertilizer production equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208526596U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121280A (en) * | 2021-04-13 | 2021-07-16 | 安徽珍硒农业科技有限责任公司 | Selenium-rich organic nutrient solution for cultivating rice and wheat and preparation method thereof |
| CN115193346A (en) * | 2022-07-15 | 2022-10-18 | 山东信科环化有限责任公司 | High-efficient reaction unit of thiourea |
| CN117695942A (en) * | 2024-02-05 | 2024-03-15 | 烟台伟昌电子材料有限公司 | Reaction type polyurethane hot melt adhesive production reaction kettle |
-
2018
- 2018-05-14 CN CN201820711400.7U patent/CN208526596U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113121280A (en) * | 2021-04-13 | 2021-07-16 | 安徽珍硒农业科技有限责任公司 | Selenium-rich organic nutrient solution for cultivating rice and wheat and preparation method thereof |
| CN115193346A (en) * | 2022-07-15 | 2022-10-18 | 山东信科环化有限责任公司 | High-efficient reaction unit of thiourea |
| CN115193346B (en) * | 2022-07-15 | 2023-04-11 | 山东信科环化有限责任公司 | High-efficient reaction unit of thiourea |
| CN117695942A (en) * | 2024-02-05 | 2024-03-15 | 烟台伟昌电子材料有限公司 | Reaction type polyurethane hot melt adhesive production reaction kettle |
| CN117695942B (en) * | 2024-02-05 | 2024-04-16 | 烟台伟昌电子材料有限公司 | Reaction type polyurethane hot melt adhesive production reaction kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Liquid fertilizer production equipment Effective date of registration: 20201223 Granted publication date: 20190222 Pledgee: Jining Yanzhou sub branch of Postal Savings Bank of China Pledgor: SHANDONG FERBEAUT FERTILIZER Co.,Ltd. Registration number: Y2020980009854 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220124 Granted publication date: 20190222 Pledgee: Jining Yanzhou sub branch of Postal Savings Bank of China Pledgor: SHANDONG FERBEAUT FERTILIZER Co.,Ltd. Registration number: Y2020980009854 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190222 |