CN106311089B - A kind of multistage batch mixing reaction unit - Google Patents
A kind of multistage batch mixing reaction unit Download PDFInfo
- Publication number
- CN106311089B CN106311089B CN201610748126.6A CN201610748126A CN106311089B CN 106311089 B CN106311089 B CN 106311089B CN 201610748126 A CN201610748126 A CN 201610748126A CN 106311089 B CN106311089 B CN 106311089B
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- pipe
- connecting tube
- batch mixing
- inlet
- reaction kettle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2455—Stationary reactors without moving elements inside provoking a loop type movement of the reactants
- B01J19/2465—Stationary reactors without moving elements inside provoking a loop type movement of the reactants externally, i.e. the mixture leaving the vessel and subsequently re-entering it
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
- B01J4/007—Feed or outlet devices as such, e.g. feeding tubes provided with moving parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/008—Feed or outlet control devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2204/00—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices
- B01J2204/002—Aspects relating to feed or outlet devices; Regulating devices for feed or outlet devices the feeding side being of particular interest
Abstract
The invention discloses a kind of multistage batch mixing reaction units, including reaction kettle, first pipe, second pipe, the first liquid reserve tank, the second liquid reserve tank, the first connecting tube, the second connecting tube, third connecting tube, the 4th connecting tube, the 5th connecting tube, the 6th connecting tube, first flow control valve, second flow control valve, first circulation pump, second circulation pump.Material good mixing effect of the present invention, it is simple in structure, it is easy to use.
Description
Technical field
The present invention relates to epoxy plasticizer technical field of processing equipment more particularly to a kind of multistage batch mixing reaction units.
Background technology
The production method of present traditional epoxy plasticizer is all to use that hydrogen peroxide is added dropwise into epoxy reaction mixer, is stirred
The method for making hydrogen peroxide and grease react is mixed, hydrogen peroxide and grease are insufficient contact, and such production time is long, cause secondary anti-
Ying Duo, product epoxide number be not high.
Invention content
In order to solve technical problem present in background technology, the present invention proposes a kind of multistage batch mixing reaction unit, effect
Fruit is good.
A kind of multistage batch mixing reaction unit, including reaction kettle, first pipe, second pipe, the first liquid reserve tank, the second liquid storage
Case, the first connecting tube, the second connecting tube, third connecting tube, the 4th connecting tube, the 5th connecting tube, the 6th connecting tube, first flow
Control valve, second flow control valve, first circulation pump, second circulation pump；
Reaction kettle top is equipped with the first inlet, the second inlet, and the lower part of reaction kettle is equipped with liquid outlet；
First liquid reserve tank is connected to by the first connecting tube with the first end of first pipe；First flow control valve is mounted on the
In one connecting tube；
Second liquid reserve tank is connected to by the second connecting tube with the first end of first pipe；Second flow control valve is mounted on the
In two connecting tubes；
From its first end, portion is gradually reduced the caliber of first pipe thereto, the caliber of first pipe from its middle part to its
The direction at two ends gradually increases, and the second end of first pipe is connected to the first inlet；
From its first end, portion is gradually reduced the caliber of second pipe thereto, the caliber of second pipe from its middle part to its
The direction at two ends gradually increases, and the second end of second pipe is connected to the second inlet；
The first end of third connecting tube is placed in reaction kettle, and the second end of third connecting tube is followed after reaction kettle with first
Ring pump connection, first circulation pump are connected to by the 4th connecting tube with the first end of second pipe；
The first end of 5th connecting tube is connected to liquid outlet, and the second end of the 5th connecting tube is connected to second circulation pump, the
Two circulating pumps are connected to by the 6th connecting tube with the first end of second pipe.
Preferably, further include rotating member, driving mechanism, which is rotatably installed in the first end of first pipe, this turn
Moving part is equipped with interface channel, and the first end of interface channel is connected to the one end of the first connecting tube far from the first liquid reserve tank, connects
The second end in channel is connected to the first end of first pipe；Along first pipe radial direction, the second end and first pipe of interface channel
Center line between spacing be more than zero；Driving mechanism drives rotating member rotation.
Preferably, the inner wall of first pipe is equipped with diversion trench, and diversion trench is centered on the center line of first pipe at spiral shell
Revolve shape distribution.
Preferably, first pipe is equipped with multiple inlet openings, and multiple inlet openings are distributed close to the first end of first pipe, more
A inlet opening connects with the one end of the second connecting tube far from the second liquid reserve tank along the circumferentially distributed of first pipe, multiple inlet openings
It is logical.
Preferably, the inner wall of reaction kettle is equipped with sliding slot, and sliding slot is vertically arranged, and the bottom end of sliding slot is equipped with limit
Plate, limiting plate are placed in the top of the first inlet, the second inlet；Further include the thistle board with the removable connection of sliding slot, lightweight
Plate level is arranged, and thistle board is equipped with multiple through-holes, and multiple through-holes are connected to the first end of third connecting tube.
Preferably, through-hole stepped is arranged, and the aperture of through-hole is gradually reduced from bottom to top.
Preferably, further include support plate, power unit, multiple catch；Support plate is placed in reaction kettle, and support plate level is set
It sets；Power unit drives support plate rotation；Multiple catch are vertically arranged, and the line at multiple catch centers forms A Ji
Mead helical.
Preferably, support plate presets angle by being formed between the radial direction and catch at catch center.
In the present invention, grease, hydrogen peroxide are placed respectively in the first liquid reserve tank, the second liquid reserve tank, the two enters first pipe
It is interior, come into full contact with, be sufficiently mixed after from the first inlet enter reaction kettle, then, part mixes can detach, and grease is placed in
Layer, hydrogen peroxide are placed in lower layer；It is sucked out from top by grease using first circulation pump, third connecting tube, thistle board etc., is then entered
In second pipe；Second circulation pump, the 5th connecting tube hydrogen peroxide is sucked out from liquid outlet, into second pipe in grease again
Mixing then enters in reaction kettle, recycles repeatedly, to achieve the effect that continue to be reacted in mixed state, produces
The epoxide number of product significantly improve, the reaction time greatly shortens, and mixed effect greatly improves；First pipe in the present invention,
Second pipe designs, and material is into fashionable, and since the area of section of first pipe, second pipe reduces, flow velocity increases, and forms turbulent flow
State, substantially increases the mixed effect of material, and the two syncretizing effect improves.The configuration of the present invention is simple, easy to use, material is mixed
It is good to close effect.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the vertical view of support plate in Fig. 1.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutual combination；Below with reference to the accompanying drawings it and in conjunction with the embodiments elaborates to the present invention.
Referring to Fig.1,2, a kind of multistage batch mixing reaction unit proposed by the present invention, including reaction kettle 1, first pipe 2, second
Pipeline 3, the first liquid reserve tank 4, the second liquid reserve tank 5, the first connecting tube 6, the second connecting tube 7, third connecting tube 8, the 4th connecting tube
9, the 5th connecting tube 10, the 6th connecting tube 11, first flow control valve 12, second flow control valve 13, first circulation pump 14, the
Two circulating pumps 15, rotating member 19, driving mechanism 20, support plate 28, power unit 29, multiple catch 30.
1 top of reaction kettle is equipped with the first inlet 16, the second inlet 17, and the lower part of reaction kettle 1 is equipped with liquid outlet 18.
First liquid reserve tank 4 is connected to by the first connecting tube 6 with the first end of first pipe 2；First flow control valve 12 is pacified
In the first connecting tube 6；Grease can be positioned in the first liquid reserve tank 4, grease is controlled using first flow control valve 12
Flow.
Second liquid reserve tank 5 is connected to by the second connecting tube 7 with the first end of first pipe 2；Second flow control valve 13 is pacified
In the second connecting tube 7；Hydrogen peroxide can be positioned in the second liquid reserve tank 5, be controlled using second flow control valve 13 double
The flow of oxygen water, to form optimum mixture ratio example between grease.
From its first end, portion is gradually reduced the caliber of first pipe 2 thereto, the caliber of first pipe 2 from its middle part to its
The direction of second end gradually increases, and the second end of first pipe 2 is connected to the first inlet 16；Material from first pipe 2
Into fashionable, the area of section of first pipe 2 is gradually reduced for one end, and flow velocity increases, and forms turbulent condition, and the mixing efficiency of material is big
It is big to improve, improve the mixed effect of material；The above-mentioned design of first pipe 2 uses Venturi tube principle, by grease, hydrogen peroxide
Two kinds of non soluble liquids carry out acceleration reaction, realize charging.
From its first end, portion is gradually reduced the caliber of second pipe 3 thereto, the caliber of second pipe 3 from its middle part to its
The direction of second end gradually increases, and the second end of second pipe 3 is connected to the second inlet 17；Material from second pipe 3
Into fashionable, the area of section of second pipe 3 is gradually reduced for one end, and flow velocity increases, and forms turbulent condition, and the mixing efficiency of material is big
It is big to improve, improve the mixed effect of material；When grease, hydrogen peroxide enter reaction kettle from second pipe 3, grease, hydrogen peroxide
The flow velocity of mixture reduces, and avoids generating impact, ensures the connection effect of second pipe 3 and reaction kettle 1.
The first end of third connecting tube 8 is placed in reaction kettle 1, and the second end of third connecting tube 8 passes through after reaction kettle 1 with the
One circulating pump 14 is connected to, and first circulation pump 14 is connected to by the 4th connecting tube 9 with the first end of second pipe 3.
The first end of 5th connecting tube 10 is connected to liquid outlet 18, and second end and the second circulation of the 5th connecting tube 10 pump 15
Connection, second circulation pump 15 are connected to by the 6th connecting tube 11 with the first end of second pipe 3.
Grease, hydrogen peroxide are placed respectively in first liquid reserve tank 4, the second liquid reserve tank 5, and the two enters in first pipe 2, fully
Contact, be sufficiently mixed after from the first inlet 16 enter reaction kettle 1, then, part mixes can detach, and grease is placed in upper layer,
Hydrogen peroxide is placed in lower layer；It is sucked out from top by grease using first circulation pump 14, third connecting tube 8 etc., then enters the second pipe
In road 3；Second circulation pumps the 15, the 5th connecting tube 10 and hydrogen peroxide is sucked out from liquid outlet 18, into second pipe 3 with grease again
Secondary mixing then enters in reaction kettle 1, recycles repeatedly, to achieve the effect that continue to be reacted in mixed state, produces
The epoxide number of the product gone out significantly improves, and the reaction time greatly shortens, and mixed effect greatly improves.
In order to improve mixed effect, in the present embodiment, which is rotatably installed in the first end of first pipe 2, should
Rotating member 19 is equipped with interface channel 21, the first end of interface channel 21 and the one end of the first connecting tube 6 far from the first liquid reserve tank 4
Connection, the second end of interface channel 21 are connected to the first end of first pipe 2；It is radial along first pipe 2, the of interface channel 21
Spacing between two ends and the center line of first pipe 2 is more than zero；Driving mechanism 20 drives rotating member 19 to rotate；First liquid reserve tank
Liquid in 4 enters the first end of interface channel 21 by the first connecting tube 6, then enters the from the second end of interface channel 21
In one pipeline 2；Driving mechanism 20 drives rotating member 19 to rotate, in this way, the second end of interface channel 21 is with the center of first pipe 2
Rotated centered on line, in this way, interface channel 21 second end discharge liquid can spiral flowing, this makes it possible into
The raising material mixed effect of one step.
In order to further increase material mixed effect, in the present embodiment, the inner wall of first pipe 2 is equipped with diversion trench 22,
The spiral distribution centered on the center line of first pipe 2 of diversion trench 22；The hand of spiral application rotating member 19 of diversion trench 22
Rotation direction it is corresponding, increase diversion trench 22, it is further to guide the spiral flowing of mixing liquid, further improve object
Expect mixed effect.
In order to further increase material mixed effect, in the present embodiment, first pipe 2 is equipped with multiple inlet openings 23, more
A inlet opening 23 is distributed close to the first end of first pipe 2, circumferentially distributed, the Duo Gejin along first pipe 2 of multiple inlet openings 23
Fluid apertures 23 is connected to the one end of the second connecting tube 7 far from the second liquid reserve tank 5；Liquid in second liquid reserve tank 5 is from multiple feed liquors
Hole 23 enters first pipe 2, can adequately be mixed with liquid in the first liquid reserve tank 4, further increase mixed effect.
For convenience, the effective antiposition that extracts needs to extract grease, reaction in the liquid for answering upper layer in kettle, the present embodiment
The inner wall of kettle 1 is equipped with sliding slot 24, and sliding slot 24 is vertically arranged, and the bottom end of sliding slot 24 is equipped with limiting plate 25, limiting plate 25
Be placed in the top of the first inlet 16, the second inlet 17, limit the extreme lower position of thistle board 26, avoid it is too low, otherwise, first
The liquid that inlet 16, the second inlet 17 flow out can flow to the top of thistle board 26；Further include and the removable connection of sliding slot 24
Thistle board 26, thistle board 26 is horizontally disposed, and thistle board 26 is equipped with multiple through-holes 27, multiple through-holes 27 with third connecting tube
8 first end connection；In the present embodiment, the density of thistle board 26 is less than the density of grease, and thistle board 26 can be along 24 spirit of sliding slot
Movement living can swim in the surface of grease, be contacted always with grease, and the first end of third connecting tube 8 can be driven flexible
Lifting, in this way, third connecting tube 8 can by multiple through-holes 27 extract grease, avoid extract grease below material, take out
Take effect more preferable.
In order to further increase extraction effect, the setting of 27 stepped of through-hole, the aperture of through-hole 27 gradually subtracts from bottom to top
It is small；The base area of through-hole 27 is larger, this, which just expands, extracts range, improves and extracts effect, the aperture of through-hole 27 from bottom to top by
Decrescence small, when extracting grease, flow velocity increases, and improves extraction efficiency.
Support plate 28 is placed in reaction kettle 1, and support plate 28 is horizontally disposed；Power unit 29 drives support plate 28 to rotate；It is more
A catch 30 is vertically arranged, and the line at 30 center of multiple catch forms Archimedes spiral；Utilize power unit 29
It drives support plate 28 to rotate, the mixing liquid in reaction kettle 1 is stirred using multiple catch 30, improve the mixing effect of mixing liquid
Fruit, in this way design have good mechanics dynamic property, and catch 30 is support plate 28 at a distance from the center of support plate 28
When rotation, catch 30 is stirred the material of different location, and the catch 30 of different location is to the active force of material,
Also it allows material to be rotated at certain spiral form, in this way, material mixing is more uniform, improves material mixed effect.
In conjunction with Fig. 2, support plate 28 presets angle by being formed between the radial direction and catch 30 at 30 center of catch；Support plate 28
It is straight line P by the radial direction at 30 center of catch, acute angle is formed between straight line P and catch 30, in this way, support plate 28 turns clockwise
Dynamic, the resistance that catch 30 is subject to is small, meanwhile, it, can be by the material at 28 edge of support plate to branch because catch 30 is at skewed setting
28 center position of fagging drains, and improves blend range, improves mixed effect.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Any one skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of multistage batch mixing reaction unit, including reaction kettle, first pipe, second pipe, the first liquid reserve tank, the second liquid storage
Case, the first connecting tube, the second connecting tube, third connecting tube, the 4th connecting tube, the 5th connecting tube, the 6th connecting tube, first flow
Control valve, second flow control valve, first circulation pump, second circulation pump；
Reaction kettle top is equipped with the first inlet, the second inlet, and the lower part of reaction kettle is equipped with liquid outlet；It is characterized in that：
First liquid reserve tank is connected to by the first connecting tube with the first end of first pipe；First flow control valve is mounted on first and connects
It takes over；
Second liquid reserve tank is connected to by the second connecting tube with the first end of first pipe；Second flow control valve is mounted on second and connects
It takes over；
From its first end, portion is gradually reduced the caliber of first pipe thereto, and the caliber of first pipe is from its middle part to its second end
Direction gradually increase, the second end of first pipe is connected to the first inlet；
From its first end, portion is gradually reduced the caliber of second pipe thereto, and the caliber of second pipe is from its middle part to its second end
Direction gradually increase, the second end of second pipe is connected to the second inlet；
The first end of third connecting tube is placed in reaction kettle, and the second end of third connecting tube pumps after reaction kettle with first circulation
Connection, first circulation pump are connected to by the 4th connecting tube with the first end of second pipe；
The first end of 5th connecting tube is connected to liquid outlet, and the second end of the 5th connecting tube is connected to second circulation pump, and second follows
Ring pump is connected to by the 6th connecting tube with the first end of second pipe.
2. multistage batch mixing reaction unit according to claim 1, which is characterized in that further include rotating member, driving mechanism, be somebody's turn to do
Rotating member is rotatably installed in the first end of first pipe, which is equipped with interface channel, the first end of interface channel and the
One end connection of one connecting tube far from the first liquid reserve tank, the second end of interface channel are connected to the first end of first pipe；Along
One pipeline is radial, and the spacing between the second end of interface channel and the center line of first pipe is more than zero；Driving mechanism driving turns
Moving part rotates.
3. multistage batch mixing reaction unit according to claim 2, which is characterized in that the inner wall of first pipe is equipped with water conservancy diversion
Slot, diversion trench spiral distribution centered on the center line of first pipe.
4. multistage batch mixing reaction unit according to claim 1, which is characterized in that first pipe is equipped with multiple feed liquors
Hole, multiple inlet openings are distributed close to the first end of first pipe, and multiple inlet openings are along the circumferentially distributed of first pipe, multiple feed liquors
One end connection of the second connecting tubes of Kong Junyu far from the second liquid reserve tank.
5. multistage batch mixing reaction unit according to claim 1, which is characterized in that the inner wall of reaction kettle is equipped with sliding slot,
Sliding slot is vertically arranged, and the bottom end of sliding slot is equipped with limiting plate, limiting plate be placed in the first inlet, the second inlet it is upper
Side；Further include the thistle board with the removable connection of sliding slot, thistle board is horizontally disposed, and thistle board is equipped with multiple through-holes, Duo Getong
The first end of Kong Junyu third connecting tubes is connected to.
6. multistage batch mixing reaction unit according to claim 5, which is characterized in that through-hole stepped is arranged, through-hole
Aperture is gradually reduced from bottom to top.
7. multistage batch mixing reaction unit according to claim 1, which is characterized in that further include support plate, power unit, more
A catch；Support plate is placed in reaction kettle, and support plate is horizontally disposed；Power unit drives support plate rotation；Multiple equal edges of catch
Vertical direction is arranged, and the line at multiple catch centers forms Archimedes spiral.
8. multistage batch mixing reaction unit according to claim 7, which is characterized in that support plate passes through the radial direction at catch center
It is formed between catch and presets angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748126.6A CN106311089B (en) | 2016-08-29 | 2016-08-29 | A kind of multistage batch mixing reaction unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610748126.6A CN106311089B (en) | 2016-08-29 | 2016-08-29 | A kind of multistage batch mixing reaction unit |
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| CN106311089A CN106311089A (en) | 2017-01-11 |
| CN106311089B true CN106311089B (en) | 2018-10-12 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202179967U (en) * | 2011-08-06 | 2012-04-04 | 河南兴发精细化工有限公司 | Equipment for pretreating air used in gluconic acid production |
| CN202427444U (en) * | 2011-11-22 | 2012-09-12 | 上海氯碱化工股份有限公司 | Premixing kettle reactor for producing vinylamine |
| CN203183977U (en) * | 2013-02-20 | 2013-09-11 | 安徽天意环保科技有限公司 | Raw material circulation device of epoxy reaction kettle |
| CN203663828U (en) * | 2013-11-27 | 2014-06-25 | 杭州海虹精细化工有限公司 | Self-suction type device for preparing ADC foamer through oxidization |
| CN203833860U (en) * | 2014-03-13 | 2014-09-17 | 安徽天意环保科技有限公司 | Production device for epoxy plasticizer |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04141226A (en) * | 1990-09-29 | 1992-05-14 | Hisaka Works Ltd | Apparatus for supplying powder to mixing tank and mixing same |
| US20080004458A1 (en) * | 2006-06-20 | 2008-01-03 | Wiedemann Rudolf A | Transesterification catalyst mixing system |
-
2016
- 2016-08-29 CN CN201610748126.6A patent/CN106311089B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202179967U (en) * | 2011-08-06 | 2012-04-04 | 河南兴发精细化工有限公司 | Equipment for pretreating air used in gluconic acid production |
| CN202427444U (en) * | 2011-11-22 | 2012-09-12 | 上海氯碱化工股份有限公司 | Premixing kettle reactor for producing vinylamine |
| CN203183977U (en) * | 2013-02-20 | 2013-09-11 | 安徽天意环保科技有限公司 | Raw material circulation device of epoxy reaction kettle |
| CN203663828U (en) * | 2013-11-27 | 2014-06-25 | 杭州海虹精细化工有限公司 | Self-suction type device for preparing ADC foamer through oxidization |
| CN203833860U (en) * | 2014-03-13 | 2014-09-17 | 安徽天意环保科技有限公司 | Production device for epoxy plasticizer |
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| CN106311089A (en) | 2017-01-11 |
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Effective date of registration: 20211130 Address after: 241000 Beisi pioneering science and Technology Park, Fanchang Economic Development Zone, Wuhu City, Anhui Province Patentee after: Wuhu Fenggu condiment Co.,Ltd. Address before: 241200 Anhui Province Wuhu City Fanchang County Economic Development Zone Beisi pioneering science and Technology Park Fanchang County Jianwen e-commerce Co., Ltd Patentee before: FANCHANG JIANWEN E-COMMERCE CO.,LTD. |