CN206285913U - A kind of liquid-phase catalysis reaction vessel for being easy to educational observation - Google Patents
A kind of liquid-phase catalysis reaction vessel for being easy to educational observation Download PDFInfo
- Publication number
- CN206285913U CN206285913U CN201621420326.0U CN201621420326U CN206285913U CN 206285913 U CN206285913 U CN 206285913U CN 201621420326 U CN201621420326 U CN 201621420326U CN 206285913 U CN206285913 U CN 206285913U
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- China
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- tank body
- support bar
- support
- rocking arm
- power transmission
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Abstract
The utility model discloses a kind of liquid-phase catalysis reaction vessel for being easy to educational observation, chemical reaction equipment field is related generally to.Including tank body and support frame, the tank body top is provided with charging aperture and pressure relief opening, the tank base is provided with discharging opening and sewage draining exit, first support bar and second support bar are provided with the middle part of the tank wall, support frame as described above is provided with motor, power transmission shaft is connected with the output shaft of the motor, rocking arm is connected with the power transmission shaft, the rocking arm is flexibly connected between first support bar, support frame as described above is provided with the support base being adapted with second support bar, the tank body lower section is provided with lifting support, and the lifting support is provided with lifting platform.The beneficial effects of the utility model are：The carrying out of chemical reaction can be promoted, it is ensured that the reactant and catalyst in reaction vessel stir, is distributed the even heat in reaction, it is ensured that reaction result and reaction speed, improve production efficiency and product quality.
Description
Technical field
The utility model is related to chemical reaction equipment field, and specifically a kind of liquid-phase catalysis for being easy to educational observation reacts appearance
Device.
Background technology
Current most school is only equipped with use for laboratory laboratory apparatus, but the experiment in laboratory and industrialized production
In reaction there is very big difference, reaction vessel is the equipment that is commonly used in Chemical Manufacture and experiment, for complete hydrolysis,
The technical process such as hydrogenation, heating mixture, isothermal reaction simultaneously carry out experiment shows.In large-scale teaching practice base, the change of teaching
Reaction vessel is learned, in order that reaction is more fully, reaction vessel is equipped with greatly agitating device, using stirring more than existing agitating device
Oar.In reaction, during mechanical agitation, the corrosion-resistant coating of agitating paddle is easily destroyed, and causes the damage of agitating paddle, influences mixing effect,
And then influence the progress of chemical reaction, simultaneously because the obstruction of agitating paddle, can not more intuitively show reaction process and
Change.And in chemical reaction, difference and the difference of reaction volume due to reaction type, the agitating paddle of fixed position are difficult to
Reactant and catalyst are stirred, stirring uses narrow scope, and stirring capacity is limited, while causing the heat point in reaction
Cloth is uneven, influences reaction speed and result, causes production efficiency and product quality to decline.
Utility model content
The purpose of this utility model is to provide a kind of liquid-phase catalysis reaction vessel for being easy to educational observation, being capable of promotion
The carrying out of reaction is learned, intuitively shows process and the change of reaction, it is ensured that stir the reactant in reaction vessel and catalyst
Uniformly, it is distributed the even heat in reaction, it is ensured that reaction result and reaction speed, improves production efficiency and product quality.
The utility model to achieve the above object, is achieved through the following technical solutions：
A kind of liquid-phase catalysis reaction vessel for being easy to educational observation, including tank body and support frame, the tank body and support frame
Between be flexibly connected, the tank body top is provided with charging aperture and pressure relief opening, and the tank base is provided with discharging opening and sewage draining exit, described
First support bar and second support bar are provided with the middle part of tank wall, the first support bar and second support bar are symmetrical arranged,
The first support bar and second support bar are vertical with tank body, and support frame as described above is provided with motor, the output shaft of the motor
On be connected with power transmission shaft, rocking arm is connected with the power transmission shaft, the rocking arm is vertically arranged with power transmission shaft, the rocking arm with
Be flexibly connected between first support bar, the rocking arm is rotated and drives first support bar to move in a circle, support frame as described above be provided with
The adaptable support base of second support bar, the second support bar is flexibly connected with support base, and the tank body lower section is provided with lifting
Support, the lifting support is provided with lifting platform, and the lifting platform is adapted with tank base, and the tank body is provided with transparent regarding
Window.
The first support bar is provided with the first spherical holding tank, one end of the rocking arm and power transmission shaft away from one end of tank body
Connection, the free end of the rocking arm is provided with the connector antiparallel with power transmission shaft, the one end of the connector away from rocking arm
The first spheroid being adapted with the first spherical holding tank is provided with, the second support bar is provided with the second ball away from one end of tank body
Body, the support base is provided with the second spherical holding tank being adapted with the second spheroid.
The power transmission shaft is connected by driving chain with output shaft, and bearing, the transmission are fixed with support frame as described above
Axle sleeve is located in bearing.
The lifting support is multistage hydraulic cylinder, and the lifting platform is provided with and discharging opening and the adaptable hole of sewage draining exit
Hole.
Contrast prior art, the beneficial effects of the utility model：
1st, motor work band motion rocker arm is rotated in the utility model, and rocking arm drives first support bar to move in a circle, while
Second support bar is flexibly connected with support base, and the straight line with where motor output shaft is then formd in motion process as axle, with
The line of one support bar and second support bar is the conical motion of side, and tank body being carried out with motion and rocked, and is not required in reaction
Agitating paddle is installed in container can pass through rocking for container itself, realize mixing, the stirring of reactant and catalyst in container, promote
The carrying out of theory of evolution reaction.The inconvenience for avoiding agitating paddle from being brought by corrosion and damage, tank body is rocked and can produce larger stirring
Mix power and wider stirring scope, it is ensured that the reactant and catalyst in reaction vessel stir, makes the heat in reaction
It is uniformly distributed, it is ensured that reaction result and reaction speed, improves production efficiency and product quality；Lifting support and liter below tank body
Drop platform, ensure that the utility model is firmly fixed in the non-stirred time, it is to avoid first support bar and second support bar are born
Excessive power, can either ensure service life of the present utility model, can keep stabilization during charging or discharging again, it is ensured that
What is chemically reacted is normally carried out, and transparent window is easy to observation, can intuitively see reaction process and the change in tank body.
2nd, the first support bar is provided with the first spherical holding tank, one end and the transmission of the rocking arm away from one end of tank body
Axle is connected, and the free end of the rocking arm is provided with the connector antiparallel with power transmission shaft, the connector away from rocking arm one
End is provided with the first spheroid being adapted with the first spherical holding tank, and the second support bar is provided with the second ball away from one end of tank body
Body, the support base is provided with the second spherical holding tank being adapted with the second spheroid, and tank body can be made more firm with support frame
Cooperation, while the spherical connection between spheroid and spherical holding tank enables the more free activity of tank body, make mixing effect more
It is good, promote the carrying out of reaction.
3rd, the power transmission shaft is connected by driving chain with output shaft, and bearing, the biography are fixed with support frame as described above
Moving axis is set in bearing, and bearing preferably fixes power transmission shaft, has both ensured the service life of power transmission shaft, and transmission can be avoided again
Axle is deformed influenceing mixing effect because stress is excessive.
4th, the lifting support is multistage hydraulic cylinder, and the lifting platform is provided with and discharging opening and the adaptable hole of sewage draining exit
Hole, lifting support can either be lifted according to the process of reaction, while multistage hydraulic cylinder can take more in whipping process
Small space, while ensuring that in fixed tank body impulse stroke more long can be provided, lifting platform can be more preferable with tank base
Cooperation, make fixed effect more preferably, further promote chemical reaction be normally carried out.
Brief description of the drawings
Accompanying drawing 1 is structural representation of the present utility model；
Accompanying drawing 2 is the utility model default conditions schematic diagram；
Accompanying drawing 3 is top view of the present utility model；
Accompanying drawing 4 is the connection diagram of first support bar and rocking arm in the utility model；
Accompanying drawing 5 is the connection diagram of second support bar and support base in the utility model.
Label shown in accompanying drawing：1st, tank body；11st, charging aperture；12nd, pressure relief opening；13rd, discharging opening；14th, sewage draining exit；15th, first
Support bar；151st, the first spherical holding tank；16th, second support bar；161st, the second spheroid；2nd, support frame；21st, motor；22nd, it is driven
Axle；3rd, rocking arm；31st, connector；311st, the first spheroid；4th, support base；41st, the second spherical holding tank；5th, lifting support；51st, rise
Drop platform；6th, bearing；7th, transparent window.
Specific embodiment
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation scope of the present utility model.In addition, it is to be understood that reading the content of the utility model instruction
Afterwards, those skilled in the art can make various changes or modifications to the utility model, and these equivalent form of values equally fall within this Shen
Please limited range.
Described in the utility model is a kind of liquid-phase catalysis reaction vessel for being easy to educational observation, including tank body 1 and support frame
2, it is flexibly connected between the tank body 1 and support frame 2, support frame 2 stands in the both sides of tank body 1, and the top of the tank body 1 is provided with charging aperture 11
With pressure relief opening 12, the amount of flowmeter, precise control reactant and catalyst is provided with charging aperture 11, electromagnetism is provided with pressure relief opening 12
Valve, tank body 1 is provided with pressure sensor, and pressure sensor is connected with solenoid signal, when pressure is excessive in course of reaction, pressure
Pressure signal transmission to magnetic valve, is controlled the unlatching of pressure relief opening 12 by force snesor, pressure in tank body 1 is in normal range (NR).
The bottom of the tank body 1 is provided with discharging opening 13 and sewage draining exit 14, and first support bar 15 and second is provided with the middle part of the outer wall of the tank body 1
Support bar 16, the first support bar 15 and second support bar 16 are symmetrical arranged and set up separately in the both sides of tank body 1, the first support bar
15 and second support bar 16 it is vertical with tank body 1, at first support bar 15 and second support bar 16 on the same line.The branch
Support 2 is provided with motor 21, and support frame 2 is provided with support platform, and motor 21 is arranged in support platform, before stirring work is carried out
Tank body 1 keeps vertical state, and this state is the utility model default conditions.It is connected with the output shaft of the motor 21
Moving axis 22, by default, power transmission shaft 22, first support bar 15 and second support bar 16 are in same level.The biography
Rocking arm 3 is connected with moving axis 22, the rocking arm 3 is vertically arranged with power transmission shaft 22, when motor 21 works, rocking arm 3 is with power transmission shaft 22
For the center of circle moves in a circle, it is flexibly connected between the rocking arm 3 and first support bar 15, the rocking arm 3 is rotated and drives first to support
Bar 15 moves in a circle, and support frame as described above 2 is provided with the support base 4 being adapted with second support bar 16, the second support bar
16 are flexibly connected with support base 4, and the straight line with where the output shaft of motor 21 is then formd in whipping process as axle, with the first support
The line of bar 15 and second support bar 16 is the conical motion of side, and tank body 1 being carried out with motion and rocked, and is not required to hold in reaction
Agitating paddle is installed in device can pass through rocking for container itself, realize mixing, the stirring of reactant and catalyst in container, can
Promote the carrying out of chemical reaction, it is ensured that the reactant and catalyst in reaction vessel stir, makes the heat in reaction equal
Even distribution, it is ensured that reaction result and reaction speed, improves production efficiency and product quality.The lower section of the tank body 1 is provided with a liter descending branch
Frame 5, the lifting support 5 is provided with lifting platform 51, and the lifting platform 51 is adapted with the bottom of tank body 1, the utility model acquiescence
Under state, lifting platform 51 is fitted with the bottom of tank body 1, and lifting platform 51 is that tank body 1 provides supporting force, and lifting support 5 can be by tank body 1
It is firmly fixed, it is to avoid first support bar 15 and second support bar 16 bear excessive power, can either ensure of the present utility model
Service life, again can keep stabilization during charging or discharging, it is ensured that chemical reaction is normally carried out.Tank body 1 is provided with
Transparent window 7, can more intuitively show process and the change of reaction, be easy to observation.
When in use, lifting support 5 rises makes lifting platform 51 be fitted with the bottom of tank body 1 to the utility model, from charging aperture 11
Required reactant and catalyst etc. are put into tank body 1, required material is treated on deck, lifting support 5 drives lifting platform 51
Move downward, make lifting platform 51 away from tank body 1.Motor 21 is started working, and rocking arm 3 is rotated and drives first support bar 15 to move, shape
It is coniform with the line of first support bar 15 and second support bar 16 as side into the straight line with where power transmission shaft 22 as axle
Motion；Stirring terminates, chemically react finish after the utility model is returned into default conditions, the drive lifting platform 51 of lifting support 5
Rising makes lifting platform 51 be supported tank body 1, opens discharging opening 13 and discharges product.
In order to make tank body 1 and the stronger cooperation of support frame 2, while ensure that tank body 1 can be more free movable,
The first support bar 15 is provided with the first spherical holding tank 151, one end of the rocking arm 3 and power transmission shaft away from one end of tank body 1
22 connections, the free end of the rocking arm 3 is provided with the connector 31 antiparallel with power transmission shaft 22, and the connector 31 is away from shaking
One end of arm 3 is provided with the first spheroid 311 being adapted with the first spherical holding tank 151, and the second support bar 16 is away from tank body 1
One end be provided with the second spheroid 161, the support base 4 be provided with the second adaptable spherical holding tank 41 of the second spheroid 161,
Two spherical attachment structures of the both sides of tank body 1 enable the more free activity of tank body 1, make mixing effect more preferably, promote reaction
Carrying out.
Mixing effect is influenceed in order to avoid power transmission shaft 22 from being deformed because stress is excessive, the power transmission shaft 22 is by passing
Dynamic chain is connected with output shaft, and bearing 6 is fixed with support frame as described above 2, and the power transmission shaft 22 is set in bearing 6, bearing 6
Power transmission shaft 22 is preferably fixed, prevent force transfer in whipping process to output shaft, it is to avoid the damage to motor 21,
Simultaneously avoid power transmission shaft 22 abrasion, deformation and offset, it is ensured that the service life of power transmission shaft 22, it is ensured that chemical reaction normally enter
OK.
In order to ensure the utility model fixed effect more preferably, further promote being normally carried out for chemical reaction, the lifting
Support 5 is multistage hydraulic cylinder, and the lifting platform 51 is provided with and discharging opening 13 and the adaptable hole of sewage draining exit 14, lifting support
5 can either be lifted according to the process of reaction, while multistage hydraulic cylinder can take smaller space in whipping process, together
When ensure that in fixed tank body 1 impulse stroke more long can be provided, lifting platform 51 can preferably coordinate with the bottom of tank body 1.
Embodiment：The utility model is a kind of liquid-phase catalysis reaction vessel for being easy to educational observation, including tank body 1 and support
Frame 2, tank body 1 is provided with transparent window 7, is flexibly connected between tank body 1 and support frame 2, and support frame 2 stands in the both sides of tank body 1, tank body 1
Top is provided with charging aperture 11 and pressure relief opening 12, and flowmeter is provided with charging aperture 11, magnetic valve is provided with pressure relief opening 12, on tank body 1
Pressure sensor is provided with, pressure sensor is connected with solenoid signal, when pressure is excessive in course of reaction, pressure sensor will
Pressure signal transmission controls the unlatching of pressure relief opening 12 to magnetic valve, pressure in tank body 1 is in normal range (NR).The bottom of tank body 1 sets
There are discharging opening 13 and sewage draining exit 14, first support bar 15 and second support bar 16, first support bar are provided with the middle part of the outer wall of tank body 1
15 and second support bar 16 be symmetrical arranged and set up separately in the both sides of tank body 1, first support bar 15 and second support bar 16 are hung down with tank body 1
Directly, at first support bar 15 and second support bar 16 on the same line.Support frame 2 is provided with motor 21, and support frame 2 is provided with
Support platform, motor 21 is arranged in support platform, and before stirring work is carried out, tank body 1 keeps vertical state, and this state is this reality
Use new default conditions.Power transmission shaft 22 is connected with the output shaft of motor 21, by default, power transmission shaft 22, first
Support bar 15 and second support bar 16 are in same level.Rocking arm 3 is connected with power transmission shaft 22, rocking arm 3 hangs down with power transmission shaft 22
It is straight to set, when motor 21 works, rocking arm 3 with power transmission shaft 22 for the center of circle moves in a circle, activity between rocking arm 3 and first support bar 15
Connection, rocking arm 3 is rotated and drives first support bar 15 to move in a circle, and support frame 2 is provided with adaptable with second support bar 16
Support base 4, second support bar 16 is flexibly connected with support base 4, and it is spherical that first support bar 15 is provided with first away from one end of tank body 1
Holding tank 151, one end of rocking arm 3 is connected with power transmission shaft 22, and the free end of rocking arm 3 is provided with the company antiparallel with power transmission shaft 22
Fitting 31, connector 31 is provided with and the first adaptable spheroid 311 of the first spherical holding tank 151, second away from one end of rocking arm 3
Support bar 16 is provided with the second spheroid 161 away from one end of tank body 1, and support base 4 is provided with second be adapted with the second spheroid 161
Spherical holding tank 41, can make tank body 1 and the stronger cooperation of support frame 2, while two spherical attachment structures of tank body both sides
Enable the more free activity of tank body 1, make mixing effect more preferably, promote the carrying out of reaction.Then formd in whipping process with
Straight line where power transmission shaft 22 is axle, the conical motion with the line of first support bar 15 and second support bar 16 as side,
Tank body 1 being carried out with motion and rocked, and is not required to install rocking by container itself by agitating paddle in reaction vessel, realizes holding
The mixing of reactant and catalyst, stirring, can promote the carrying out of chemical reaction, it is ensured that by the reactant in reaction vessel in device
Stirred with catalyst, be distributed the even heat in reaction, it is ensured that reaction result and reaction speed, improve production efficiency and
Product quality.Power transmission shaft 22 is connected by driving chain with output shaft, and bearing 6 is fixed with support frame 2, and power transmission shaft 22 is arranged
In bearing 6, bearing 6 is preferably fixed by power transmission shaft 22, prevents force transfer in whipping process to output shaft, it is to avoid
Damage to motor 21, while avoiding the abrasion of power transmission shaft 22, deformation and offseting, it is ensured that the service life of power transmission shaft 22, it is ensured that
What is chemically reacted is normally carried out.The lower section of tank body 1 is provided with lifting support 5, and lifting support 5 is provided with lifting platform 51, lifting platform 51 with
The bottom of tank body 1 is adapted, and under the utility model default conditions, lifting platform 51 is fitted with the bottom of tank body 1, and lifting platform 51 is tank body 1
Supporting force is provided, tank body 1 can be firmly fixed for lifting support 5, it is to avoid first support bar 15 and second support bar 16 are born
Excessive power, can either ensure service life of the present utility model, can keep stabilization during charging or discharging again, it is ensured that
What is chemically reacted is normally carried out.Lifting support 5 is multistage hydraulic cylinder, and lifting platform 51 is provided with and discharging opening 13 and the phase of sewage draining exit 14
The hole of adaptation, lifting support 5 can either be lifted according to the process of reaction, while multistage hydraulic cylinder can be in whipping process
Middle to take smaller space, while ensuring that in fixed tank body 1 impulse stroke more long can be provided, lifting platform 51 can be with tank
The bottom of body 1 preferably coordinates, and makes fixed effect more preferably, further promotes being normally carried out for chemical reaction.
Claims (4)
1. a kind of liquid-phase catalysis reaction vessel for being easy to educational observation, including tank body (1) and support frame (2), it is characterised in that：Institute
State and be flexibly connected between tank body (1) and support frame (2), tank body (1) top is provided with charging aperture (11) and pressure relief opening (12), described
Tank body (1) bottom is provided with discharging opening (13) and sewage draining exit (14), and first support bar (15) is provided with the middle part of tank body (1) outer wall
With second support bar (16), the first support bar (15) and second support bar (16) be symmetrical arranged, the first support bar
(15) and second support bar (16) is vertical with tank body (1), support frame as described above (2) is provided with motor (21), the motor (21)
Output shaft on be connected with power transmission shaft (22), be connected with rocking arm (3) on the power transmission shaft (22), the rocking arm (3) with pass
Moving axis (22) is vertically arranged, and the rocking arm (3) is flexibly connected between first support bar (15), and the rocking arm (3) rotates and drives the
One support bar (15) moves in a circle, and support frame as described above (2) is provided with the support base (4) being adapted with second support bar (16),
The second support bar (16) is flexibly connected with support base (4), and tank body (1) lower section is provided with lifting support (5), the lifting
Support (5) is provided with lifting platform (51), and the lifting platform (51) is adapted with tank body (1) bottom, and the tank body (1) is provided with
Photopic vision window (7).
2. a kind of liquid-phase catalysis reaction vessel for being easy to educational observation according to claim 1, it is characterised in that：Described
One support bar (15) is provided with the first spherical holding tank (151), one end and the transmission of the rocking arm (3) away from one end of tank body (1)
Axle (22) is connected, and the free end of the rocking arm (3) is provided with the connector (31) antiparallel with power transmission shaft (22), the connection
Part (31) is provided with the first spheroid (311) being adapted with the first spherical holding tank (151), described the away from one end of rocking arm (3)
Two support bars (16) are provided with the second spheroid (161) away from one end of tank body (1), and the support base (4) is provided with and the second spheroid
(161) the second adaptable spherical holding tank (41).
3. a kind of liquid-phase catalysis reaction vessel for being easy to educational observation according to claim 1, it is characterised in that：The biography
Moving axis (22) is connected by driving chain with output shaft, and bearing (6), the power transmission shaft are fixed with support frame as described above (2)
(22) it is set in bearing (6).
4. a kind of liquid-phase catalysis reaction vessel for being easy to educational observation according to claim 1, it is characterised in that：The liter
Descending branch frame (5) is multistage hydraulic cylinder, and the lifting platform (51) is provided with and discharging opening (13) and the adaptable hole of sewage draining exit (14)
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621420326.0U CN206285913U (en) | 2016-12-22 | 2016-12-22 | A kind of liquid-phase catalysis reaction vessel for being easy to educational observation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621420326.0U CN206285913U (en) | 2016-12-22 | 2016-12-22 | A kind of liquid-phase catalysis reaction vessel for being easy to educational observation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206285913U true CN206285913U (en) | 2017-06-30 |
Family
ID=59153721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621420326.0U Expired - Fee Related CN206285913U (en) | 2016-12-22 | 2016-12-22 | A kind of liquid-phase catalysis reaction vessel for being easy to educational observation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206285913U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252671A (en) * | 2017-07-27 | 2017-10-17 | 洛阳市三诺化工有限公司 | A kind of reaction unit for being used to prepare TBP calcium phosphate+ forage agent |
| CN108283917A (en) * | 2018-04-08 | 2018-07-17 | 合润科技有限公司 | A kind of polymerization reaction kettle for producing polyalphaolefin |
| CN108676538A (en) * | 2018-05-10 | 2018-10-19 | 通城县振声科技有限公司 | A kind of processing method and its production equipment of Polyurethane powder |
| CN116808887A (en) * | 2023-08-29 | 2023-09-29 | 谷口油墨（烟台）有限公司 | Stirring equipment for printing ink production |
-
2016
- 2016-12-22 CN CN201621420326.0U patent/CN206285913U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107252671A (en) * | 2017-07-27 | 2017-10-17 | 洛阳市三诺化工有限公司 | A kind of reaction unit for being used to prepare TBP calcium phosphate+ forage agent |
| CN107252671B (en) * | 2017-07-27 | 2023-09-08 | 洛阳市三诺化工有限公司 | Reaction device for preparing TBP tributyl phosphate extractant |
| CN108283917A (en) * | 2018-04-08 | 2018-07-17 | 合润科技有限公司 | A kind of polymerization reaction kettle for producing polyalphaolefin |
| CN108676538A (en) * | 2018-05-10 | 2018-10-19 | 通城县振声科技有限公司 | A kind of processing method and its production equipment of Polyurethane powder |
| CN116808887A (en) * | 2023-08-29 | 2023-09-29 | 谷口油墨（烟台）有限公司 | Stirring equipment for printing ink production |
| CN116808887B (en) * | 2023-08-29 | 2023-12-26 | 谷口油墨（烟台）有限公司 | Stirring equipment for printing ink production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 Termination date: 20181222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |