CN109382066A - A kind of feeder in gas-liquid two-phase reaction kettle - Google Patents
A kind of feeder in gas-liquid two-phase reaction kettle Download PDFInfo
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- CN109382066A CN109382066A CN201811525196.0A CN201811525196A CN109382066A CN 109382066 A CN109382066 A CN 109382066A CN 201811525196 A CN201811525196 A CN 201811525196A CN 109382066 A CN109382066 A CN 109382066A
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- supply pipe
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- cover board
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- 239000007788 liquid Substances 0.000 title claims abstract description 42
- 238000006243 chemical reaction Methods 0.000 title claims abstract description 40
- 230000005540 biological transmission Effects 0.000 claims description 7
- 210000000481 breast Anatomy 0.000 claims description 2
- 238000004513 sizing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000003756 stirring Methods 0.000 description 24
- 239000012071 phase Substances 0.000 description 19
- 238000007790 scraping Methods 0.000 description 12
- 238000004090 dissolution Methods 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007791 liquid phase Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 206010044565 Tremor Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- B01J19/0006—Controlling or regulating processes
-
- 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
- B01J4/00—Feed or outlet devices; Feed or outlet control devices
- B01J4/001—Feed or outlet devices as such, e.g. feeding tubes
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The present invention provides the feeders in a kind of gas-liquid two-phase reaction kettle, belong to field of mechanical technique.This gas-liquid two-phase reaction kettle includes reactor tank and the cover board that is rotatably connected at reactor tank upper end opening, a mounting rack is fixedly installed on cover board, the driving pulley and driven pulley of equal-specification are rotatably connected on mounting rack, the agitating shaft parallel with the axis of driving pulley is rotatably connected on belt, a guide plate is slidably connected on mounting rack, and the intracorporal inflatable structure of liquid that the gas on tank body top can be poured into tank body lower part is respectively arranged between the two sides and cover board of guide plate；Inflatable structure includes the constrictor being fixed on guide plate and fixed air supply pipe on the cover board, the both ends of air supply pipe are respectively arranged with the two piece branch pipes parallel with air supply pipe, and the base valve limitation gas that the gas outlet of air inlet pipe is located at reactor tank enters in branch pipe from air supply pipe.The present invention have many advantages, such as can to continue to being supplied in liquid.
Description
Technical field
The invention belongs to field of mechanical technique, a kind of be related in gas-liquid two-phase reaction kettle feeder.
Background technique
Gas-liquid two-phase reaction is widely used in the industrial circles such as petroleum, chemical industry, the energy, power, aerospace and pharmacy, gas
Compared with homogeneous reaction kettle, mixing uniformity, gas phase solubility etc. require high liquid two-phase reactor.
After adding liquid phase feed and phase feed according to the proportion, the effect and quality of reaction, in addition to reaction condition it
Outside, another important factor is effective dissolution of gas phase, by the concentration for retaining space detection gas raw material in gas phase
Come judge the concentration of the gas dissolved in liquid be it is inaccurate, one of important reason is reaction kettle inner wall, liquid surface
Bubble belong to invalid dissolution, which can not be well in the reaction condition, and reaction condition includes temperature, pressure
Power, dissolved state etc., so, solubility can not accurately be judged by gas storage in detection gas phase.
Situations such as agitating mode of existing gas-liquid two-phase reaction kettle is single, be easy to cause eddy flow, liquid surface hollow, influences gas
Stationarity is steeped, uniformity is also poor.
Summary of the invention
The purpose of the present invention is the above problem existing for the existing technology of face, provide in a kind of gas-liquid two-phase reaction kettle
Feeder, the technical problem to be solved by the present invention is to how avoid forming biggish liquid surface hollow and rotation in whipping process
Stream.
Object of the invention can be realized by the following technical scheme: the feeder in a kind of gas-liquid two-phase reaction kettle,
It is characterized in that, this gas-liquid two-phase reaction kettle includes reactor tank and the cover board that is rotatably connected at reactor tank upper end opening, it is described
It is fixedly installed a mounting rack on cover board, the driving pulley and driven pulley of equal-specification, institute are rotatably connected on the mounting rack
It states and is connected at least one belt between driving pulley and driven pulley, the axis with driving pulley is rotatably connected on the belt
Line parallel agitating shaft slidably connects a guide plate on the mounting rack, the positioning of a bar shaped is offered on the guide plate
Slot, the length of the locating slot are greater than the diameter of driving pulley；The driving of driving driving pulley rotation is provided on the cover board
Motor one；
One is respectively arranged between the two sides and cover board of the guide plate to pour into tank body for the gas on tank body top
The intracorporal inflatable structure of the liquid of lower part；The inflatable structure includes the constrictor being fixed on guide plate and fixes on the cover board
Air supply pipe, the both ends of the air supply pipe are respectively arranged with the two piece branch pipes parallel with air supply pipe, and the branch pipe is connected to air supply pipe,
The opening face of the branch pipe, the branch pipe and constrictor are coaxial, and the air inlet vertical with air supply pipe is provided on the air supply pipe
Pipe, the air inlet pipe are connected to air supply pipe, and the gas outlet of the air inlet pipe is located at the bottom of reactor tank；Two branch pipes and air supply pipe
Between be respectively arranged with a check valve and be connected, check valve limitation gas enters in branch pipe from air supply pipe.
During guide plate moves back and forth, the gas above reactor tank can be made constantly to being inflated in branch pipe
In the continuous liquid for being sent into reaction pot bottom, to be inflated tonifying Qi to liquid.
By adjusting the revolving speed of driving motor one and driving motor two, can achieve stirring intensity and inflating the association of frequency
Adjust, i.e., individually control driving motor two, can monistic adjusting stirring intensity, control driving motor one, in addition to stir it is strong
Degree and except de-bubble frequency is adjusted, additionally it is possible to gas supply frequency is adjusted, by the cooperation of driving motor one and driving motor two,
The drawbacks of this reaction kettle can be made to can adapt to different stirring intensities and different gas supply frequencies, change electrical control and shakiness
It is qualitative, there is reaction kettle and adapt to harsh reaction environment, high intensity, prolonged operation, it also can be real by simply adjusting
The demand of existing different stirring intensities and different dissolution rates.
Driving motor one drives driving pulley rotation, moves agitating shaft on the running track of belt, agitating shaft is made to exist
Stirring in reactor tank is not at centrifugal mixer state, but is stirring track with belt running track, and cooperation cover board is rotatable
It is connected in reactor tank, improves mixing uniformity, avoid and form eddy flow and biggish liquid surface hollow in whipping process.
In the feeder in a kind of above-mentioned gas-liquid two-phase reaction kettle, the belt has two, and the agitating shaft connects
It connects on two root skin bands, the rack gear is between two root skin bands；Be fixedly installed on the mounting rack to driving pulley and from
The positioning plate that belt between movable belt pulley is tensioned and is formed is rotatablely connected in restricted belt position on the positioning plate
Between take turns.
Locating rack is used to carry out guarantor's type and positioning to belt, is also able to ascend the bonding strength and concentricity of agitating shaft, by
It is flexible coupling on belt in agitating shaft, keeps agitating shaft angle of run-off the straight in whipping process smaller.
In the feeder in a kind of above-mentioned gas-liquid two-phase reaction kettle, driving electricity is fixedly installed in the reactor tank
Machine two is connected between the cover board and reactor tank by plane bearing, and a gear ring, the driving electricity are provided in the reactor tank
A transmission gear is provided on the output shaft of machine two, the transmission gear is engaged with gear ring.
By the rotation of cover board, make the mixing position of agitating shaft throughout entire reactor tank, and traditional agitating mode only limits
In in stirring radius, the agitating mode of this reaction kettle has the advantage without dead angle.
Detailed description of the invention
Fig. 1 is the schematic perspective view of this reaction kettle.
Fig. 2 is the schematic perspective view of this reaction kettle cover plate.
Fig. 3 is the sectional view of gas-supplying structure in this reaction kettle.
Fig. 4 is the attachment structure schematic diagram between main agitating paddle and auxiliary agitating paddle.
Fig. 5 is the attachment structure schematic diagram of each tracheae in gas-supplying structure.
In figure, 1, reactor tank；21, cover board；22, mounting rack；23, driving pulley；24, driven pulley；25, belt；26, it stirs
Mix axis；27, guide plate；28, locating slot；3, driving motor one；41, rack gear；42, gear；43, installation set；44, driving motor
Two；45, gear ring；46, transmission gear；51, main agitating paddle；52, mounting box；53, shaft is assisted；54, agitating paddle is assisted；55, it rubs
Wipe wheel one；56, friction pulley two；57, circumferential surface scraping blade；58, bottom surface scraping blade；61, liquid level de-bubble plate；62, de-bubble plate is assisted；63, sliding
Set；71, constrictor；72, air supply pipe；73, branch pipe；74, air inlet pipe；75, check valve.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As depicted in figs. 1 and 2, this gas-liquid two-phase reaction kettle includes reactor tank 1 and is rotatably connected on 1 upper end opening of reactor tank
The cover board 21 at place is fixedly installed a mounting rack 22 on cover board 21, the driving pulley of equal-specification is rotatably connected on mounting rack 22
23 and driven pulley 24, at least one belt 25, the company of rotation on belt 25 are connected between driving pulley 23 and driven pulley 24
It is connected to the agitating shaft 26 parallel with the axis of driving pulley 23, a guide plate 27, guide plate 27 are slidably connected on mounting rack 22
On offer the locating slot 28 of a bar shaped, the length of locating slot 28 is greater than the diameter of driving pulley 23；Drive is provided on cover board 21
The driving motor 1 that dynamic driving pulley 23 rotates；Baroceptor and gas phase sensor, agitating shaft are provided on cover board 21
It is provided on 26 and protrudes into the intracorporal temperature sensor of liquid.
Driving motor 1 drives driving pulley 23 to rotate, and moves agitating shaft 26 on the running track of belt 25, makes to stir
It mixes stirring of the axis 26 in reactor tank 1 and is not at centrifugal mixer state, but be stirring track, cooperation with 25 running track of belt
Cover board 21 is rotatably connected in reactor tank 1, improves mixing uniformity, is avoided and is formed eddy flow and biggish in whipping process
Liquid surface hollow.
Baroceptor detects the pressure of gas phase, and gas phase sensor detects the storage of gas raw material in reaction kettle, from
And detect the molten amount of gas in liquid phase.
The temperature sensor being arranged on agitating shaft 26 can accurately detect liquidus temperature, compared to setting in reactor tank 1
Sensor on inner wall, setting have the advantages that stability is more preferable, precision is higher on agitating shaft 26.
The rack gear 41 of an annular is provided on the inner wall of mounting rack 22, rack gear 41 is located at the outside of belt 25, agitating shaft 26
Upper to have a gear 42, gear 42 is engaged with rack gear 41, and an installation set 43, agitating shaft 26 and installation are fixedly installed on belt 25
It is connected between set 43 by bearing.Tooth band drives 26 rotation of agitating shaft, during stirring agitating shaft 26 in reactor tank 1 both
There is revolution corresponding along 25 running track of belt, also has rotation, improve stirring efficiency and mixing effect.
Belt 25 has two, and agitating shaft 26 is connected on two root skin bands 25, and rack gear 41 is between two root skin bands 25；Installation
The positioning plate that the belt 25 between driving pulley 23 and driven pulley 24 is tensioned and is formed is fixedly installed on frame 22, it is fixed
The breast wheel of restricted 25 position of belt is rotatablely connected on the plate of position.Locating rack also can for carrying out guarantor's type and positioning to belt 25
The bonding strength and concentricity for enough promoting agitating shaft 26 are stirring agitating shaft 26 since agitating shaft 26 is flexible coupling on belt 25
The angle of run-off the straight is smaller during mixing.
It is fixedly installed driving motor 2 44 in reactor tank 1, is connected between cover board 21 and reactor tank 1 by plane bearing,
Be provided with a gear ring 45 in reactor tank 1, be provided with a transmission gear 46 on the output shaft of driving motor 2 44, transmission gear 46 with
Gear ring 45 engages.By the rotation of cover board 21, make the mixing position of agitating shaft 26 throughout entire reactor tank 1, and traditional stirring
Mode is only limitted in stirring radius, and the agitating mode of this reaction kettle has the advantage without dead angle.
The top of agitating shaft 26 is fixedly installed a main agitating paddle 51, is rotatably connected to a mounting box 52 on agitating shaft 26,
An auxiliary shaft 53 is rotatably connected on mounting box 52, the lower end of auxiliary shaft 53 is fixedly installed an auxiliary agitating paddle 54, stirs
The friction pulley 1 being fixedly installed in mounting box 52 on axis 26 is mixed, assists being fixedly installed in shaft 53 positioned at mounting box
Friction pulley 2 56 in 52, friction pulley 1 and friction pulley 2 56 against；Auxiliary agitating paddle 54 can be resisted against the interior of reactor tank 1
On wall.Biography when assisting agitating paddle 54 not to be resisted against on the inner wall of reactor tank 1, by friction pulley 1 and friction pulley 2 56
Movement is used, and auxiliary shaft 53 and 26 synchronous rotary of agitating shaft only just have relative rotation under liquid stream reaction force, work as auxiliary
When agitating paddle 54 is resisted against on the inner wall of reactor tank 1, auxiliary agitating paddle 54 is limited, and with the revolution of agitating shaft 26, auxiliary
Agitating paddle 54 moves on the inner wall of reactor tank 1.The setting for assisting agitating paddle 54 can mitigate the surge of liquid, improve stirring
Homogenizing property.
As shown in figure 4, auxiliary agitating paddle 54 is located at the side of auxiliary agitating shaft 26, assist scraping on agitating paddle 54 with circumferential surface
Piece 57 and bottom surface scraping blade 58, circumferential surface scraping blade 57 is parallel with auxiliary agitating shaft 26, and bottom surface scraping blade 58 is vertical with auxiliary agitating shaft 26, and
Bottom surface scraping blade 58 is located at the lower section of circumferential surface scraping blade 57.Bottom scraping blade can disappear to the bubble that accumulates in of the bottom of reactor tank 1
It removes, circumferential surface scraping blade 57 can be in auxiliary agitating paddle 54 when moving on 1 inner wall of reactor tank, to the gas accumulated on 1 inner wall of reactor tank
Bubble is struck off, thus the gas dissolved in vain on 1 inner wall of elimination reaction tank, so that in the reactor tank 1 being located on liquid
Gas storage inductor it is precisely errorless, calculate dissolution rate accurate.
De-bubble needle is densely covered on circumferential surface scraping blade 57 and bottom surface scraping blade 58.
The liquid level de-bubble plate 61 being fixedly installed on agitating shaft 26 above main agitating paddle 51, under liquid level de-bubble plate 61
Surface is spherical crown surface, and de-bubble needle is densely covered on the lower surface of liquid level de-bubble plate 61, and the upper end of auxiliary shaft 53 is fixedly installed
One auxiliary de-bubble plate 62, the upper surface of auxiliary de-bubble plate 62 are densely covered with de-bubble needle.On bubble and 1 inner wall of reactor tank on liquid level
Bubble is the same, has the characteristics that deviate normal reaction conditions, needs by way of striking off, make the part bubble collapse, thus
Gas dissolution rate is accurate in liquid phase, and reaction effect is more preferable.
Be rotatably connected to a sliding sleeve 63 on agitating shaft 26, the inner wall of the outside wall surface of sliding sleeve 63 and locating slot 28 against.It is sliding
The presence of set 63, can eliminate the rotation resistance of agitating shaft 26.
As shown in Figure 3 and Figure 5, one is respectively arranged between the two sides of guide plate 27 and cover board 21 can be by tank body top
Gas pour into the intracorporal inflatable structure of liquid of tank body lower part；Inflatable structure includes 71 He of constrictor being fixed on guide plate 27
The air supply pipe 72 being fixed on cover board 21, the both ends of air supply pipe 72 are respectively arranged with the two piece branch pipes 73 parallel with air supply pipe 72,
Branch pipe 73 is connected to air supply pipe 72, and the opening face of branch pipe 73, branch pipe 73 and constrictor 71 are coaxial, be provided on air supply pipe 72 with
The vertical air inlet pipe 74 of air supply pipe 72, air inlet pipe 74 are connected to air supply pipe 72, and the gas outlet of air inlet pipe 74 is located at the bottom of reactor tank 1
Portion；It is respectively arranged with a check valve 75 between two branch pipes 73 and air supply pipe 72 to be connected, check valve 75 limits gas from gas supply
Pipe 72 enters in branch pipe 73.During guide plate 27 moves back and forth, it can make to react constantly to being inflated in branch pipe 73
The gas of 1 top of tank is constantly sent into the liquid of 1 bottom of reactor tank, to be inflated tonifying Qi to liquid.
By adjusting the revolving speed of driving motor 1 and driving motor 2 44, can achieve stirring intensity and inflating frequency
Coordinate, i.e. independent control driving motor 2 44, can monistic adjusting stirring intensity, driving motor 1 is controlled, in addition to stirring
Mix intensity and except de-bubble frequency is adjusted, additionally it is possible to adjust gas supply frequency, pass through driving motor one and driving motor 2 44
Cooperation, this reaction kettle can be made to can adapt to different stirring intensities and different gas supply frequencies, change the disadvantage of electrical control
End and unstability have reaction kettle and adapt to harsh reaction environment, high intensity, prolonged operation, also can be by simple
Adjusting, realize the demand of different stirring intensities and different dissolution rates.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (3)
1. the feeder in a kind of gas-liquid two-phase reaction kettle, which is characterized in that this gas-liquid two-phase reaction kettle includes reactor tank (1)
With the cover board (21) being rotatably connected at reactor tank (1) upper end opening, a mounting rack is fixedly installed on the cover board (21)
(22), the driving pulley (23) and driven pulley (24) of equal-specification, the main belt are rotatably connected on the mounting rack (22)
It is connected at least one belt (25), is rotatably connected on the belt (25) and active between wheel (23) and driven pulley (24)
The axis of belt wheel (23) parallel agitating shaft (26) slidably connects a guide plate (27) on the mounting rack (22), described to lead
The locating slot (28) of a bar shaped is offered on plate (27), the length of the locating slot (28) is greater than the straight of driving pulley (23)
Diameter；The driving motor one (3) of driving driving pulley (23) rotation is provided on the cover board (21)；
The gas on tank body top can be poured by being respectively arranged with one between the two sides and cover board (21) of the guide plate (27)
The intracorporal inflatable structure of the liquid of tank body lower part；The inflatable structure includes the constrictor (71) being fixed on guide plate (27) and consolidates
The both ends of the air supply pipe (72) being scheduled on cover board (21), the air supply pipe (72) are respectively arranged with two parallel with air supply pipe (72)
Root branch pipe (73), the branch pipe (73) are connected to air supply pipe (72), the opening face of the branch pipe (73), the branch pipe (73) with
Constrictor (71) coaxially, is provided with the air inlet pipe vertical with air supply pipe (72) (74), the air inlet pipe on the air supply pipe (72)
(74) it is connected to air supply pipe (72), the gas outlet of the air inlet pipe (74) is located at the bottom of reactor tank (1)；Two branch pipes (73) with
It is respectively arranged with a check valve (75) between air supply pipe (72) to be connected, the check valve (75) limits gas from air supply pipe (72)
In into branch pipe (73).
2. the feeder in a kind of gas-liquid two-phase reaction kettle according to claim 1, which is characterized in that the belt (25)
There are two, the agitating shaft (26) is connected on two root skin bands (25), and the rack gear (41) is between two root skin bands (25)；Institute
State be fixedly installed on mounting rack (22) to the belt (25) between driving pulley (23) and driven pulley (24) carry out tensioning and
The positioning plate of sizing is rotatablely connected the breast wheel of restricted belt (25) position on the positioning plate.
3. the feeder in a kind of gas-liquid two-phase reaction kettle according to claim 1 or claim 2, which is characterized in that the reaction
It is fixedly installed driving motor two (44) on tank (1), is connected between the cover board (21) and reactor tank (1) by plane bearing,
It is provided with a gear ring (45) on the reactor tank (1), is provided with a transmission gear on the output shaft of the driving motor two (44)
(46), the transmission gear (46) is engaged with gear ring (45).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525196.0A CN109382066A (en) | 2018-12-13 | 2018-12-13 | A kind of feeder in gas-liquid two-phase reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811525196.0A CN109382066A (en) | 2018-12-13 | 2018-12-13 | A kind of feeder in gas-liquid two-phase reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109382066A true CN109382066A (en) | 2019-02-26 |
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ID=65429187
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811525196.0A Withdrawn CN109382066A (en) | 2018-12-13 | 2018-12-13 | A kind of feeder in gas-liquid two-phase reaction kettle |
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| Country | Link |
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| CN (1) | CN109382066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201616A (en) * | 2019-04-26 | 2019-09-06 | 威海汇鑫化工机械有限公司 | Magnetic drive reaction kettle |
-
2018
- 2018-12-13 CN CN201811525196.0A patent/CN109382066A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201616A (en) * | 2019-04-26 | 2019-09-06 | 威海汇鑫化工机械有限公司 | Magnetic drive reaction kettle |
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Application publication date: 20190226 |