CN207970852U - A kind of hydrogenation reaction kettle - Google Patents
A kind of hydrogenation reaction kettle Download PDFInfo
- Publication number
- CN207970852U CN207970852U CN201820159329.6U CN201820159329U CN207970852U CN 207970852 U CN207970852 U CN 207970852U CN 201820159329 U CN201820159329 U CN 201820159329U CN 207970852 U CN207970852 U CN 207970852U
- Authority
- CN
- China
- Prior art keywords
- autoclave body
- agitating shaft
- hydrogenation reaction
- reaction kettle
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model is related to technical field of fine chemical production, disclose a kind of hydrogenation reaction kettle, including autoclave body, feed pipe, nitrogen tube, hydrogen pipe, top discharge pipe and bottom discharge pipe are provided on the autoclave body, it is provided with heating device and cooling device on the autoclave body, be provided with blender in the autoclave body, the blender includes the speed reducer being set on autoclave body, with the coaxially connected agitating shaft of speed reducer, be fixedly installed on the agitator disk of shaft bottom and several be set on stirring plate edge and along the circumferentially distributed blade of agitator disk.The utility model drives agitating shaft rotation so that the blade on agitating shaft is stirred in reactant liquid to form vortex using speed reducer, so that liquid phase, gas phase are sufficiently mixed under the stirring of blade, have many advantages, such as that simple in structure, stirring shearing force is strong, mass transfer effect is good.
Description
Technical field
The utility model is related to technical field of fine chemical production, more particularly to a kind of hydrogenation reaction kettle.
Background technology
Hydrogenation reaction kettle is widely used in various catalysis reactions, high temperature and pressure synthesis, hydrogenation reaction, gas-liquid two-phase, liquid liquid
Two-phase, exothermic reaction, composition test, stability, erosion test, retrofit, overcritical reflection, evaluating catalyst and development
Deng application, it is mainly distributed on the fields such as petrochemical industry, chemistry, pharmacy, Polymer Synthesizing, metallurgy.Liquid phase catalytic hydrogenation reaction relates to
And gas, liquid, solid Three-phase Flow system is arrived, mass transport process is complicated, needs to pay close attention to solid-liquid mass-transfer efficiency and gas-liquid mass-transfer efficiency simultaneously.
Notification number discloses one kind for the Chinese utility model patent of CN206199224U and is used to prepare the positive figured silk fabrics ammonia of high-purity L-
The hydrogenation reaction kettle of alcohol, the hydrogenation reaction kettle is equipped with feed pipe, nitrogen tube, hydrogen pipe, top discharge pipe and bottom discharge pipe, described
Hydrogenation reaction kettle is internally provided with temperature detector and pressure detector；Chuck, the chuck are also set up outside the hydrogenation reaction kettle
Water inlet pipe be equipped with cooling water or chilled water import valve, be provided on the dump pipeline at the top of the hydrogenation reaction kettle tight
Anxious bleeder valve；The top discharge pipe is connected to whizzer, and the bottom discharge pipe is connected with filter, the filter bottom
Portion connects delivery pump and filtrate recurrent canal, the filtrate recurrent canal are connected to the hydrogenation reaction kettle.Described in the utility model
Hydrogenation reaction kettle, it is simple in structure, realize recycling for catalysis, reduce production cost, union hydrogenation reaction and product crystallization in
It is carried out in one equipment, reduces number of devices, while realizing the temperature and pressure control of hydrogenation reaction kettle, ensure the quality of product
And yield.
But the blender of the utility model is common blender, insufficient to the stirring shearing force of material in reaction, is made
Gas and liquid mass transfer in must reacting is ineffective, insufficient contact, results in the waste of gas reactant.
Utility model content
The purpose of this utility model is to provide a kind of hydrogenation reaction kettle, has good stirring shearing force to lift gas
With the mass transfer effect of liquid.
The above-mentioned technical purpose of the utility model technical scheme is that：A kind of hydrogenation reaction kettle,
Including autoclave body, it is provided with feed pipe, nitrogen tube, hydrogen pipe, top discharge pipe and bottom discharge pipe on the autoclave body, is set on the autoclave body
It is equipped with heating device and cooling device, blender is provided in the autoclave body, the blender includes being set to subtracting on autoclave body
Fast machine, with the coaxially connected agitating shaft of speed reducer, be fixedly installed on the agitator disk of shaft bottom and several be set to stirring
On plate edge and along the circumferentially distributed blade of agitator disk.
By using above-mentioned technical proposal, feed pipe is for being passed through reaction raw materials, and nitrogen tube for being passed through nitrogen before the reaction
Gas is to empty air in kettle, and hydrogen pipe is used to be passed through hydrogen in reaction, the discharging for gases and liquids of top discharge pipe, under go out
Expects pipe is used for the discharging of liquid and solid, and heating device and cooling device are respectively used to heat autoclave body and cool down to control
The temperature of reaction, blender are stirred the reactant in autoclave body under speed reducer drive so that reaction efficiency higher passes through
Agitator disk edge be arranged blade, speed reducer driving agitating shaft rotation when, agitator disk rotation, blade to reactant liquid into
Row stirring carries out radial stirring, has stronger shear agitation power, at the same blade hydrogen can be dispersed as in rotation it is tiny
Bubble, the mass transfer effect of liquid and gas can be promoted, to promote the reaction efficiency of reaction.
It is further arranged to：The agitating shaft includes the first agitating shaft and coaxial arrangement in the second of the first agitating shaft bottom end
Agitating shaft offers cavity in first agitating shaft and the second agitating shaft and interconnects, and the first agitating shaft side wall is opened
Equipped with air admission hole, second agitating shaft bottom end offers the venthole of connection cavity.
It can make partial zones around when blade high-speed rotation under the drive of agitating shaft by using above-mentioned technical proposal
The liquid kinetic energy in domain increases and pressure energy reduces, and to form negative pressuren zone, liquid is discharged with higher speed from blade, with blade
Upper and lower two flow circuits are formed for boundary, wherein lower cycle is influenced by bottom shape, form vacant state, are reinforced negative
Pressure degree, under the pressure difference below autoclave body top and blade pushes, the gas of ullage by hollow shaft upper end air inlet position from
Row sucking, it is downward along cavity, and be discharged by gas outlet, formed automatically by the gas sucking in autoclave body above liquid and again from
Bottom moves upwards so that gas comes into full contact with liquid, to improve the utilization rate and reaction efficiency of hydrogen.
It is further arranged to：It is provided on the blade several along length of blade directional spreding and the flexibility that is vertically arranged
Piece.
By using above-mentioned technical proposal, by increasing the stirring range of blade in the vertical direction, detour piece around property piece
Flexible deformation, the reduction shadow of detour piece to vortex and getter action while increasing stirring range can occur in stress
It rings.
It is further arranged to：The hydrogen pipe extends from top to the bottom of the autoclave body.
By using above-mentioned technical proposal, hydrogen pipe is stretched into autoclave body bottom to make hydrogen enter kettle from autoclave body bottom
Body, hydrogen move upwards in a liquid after entering autoclave body, to be come into full contact with liquid, are squeezed into above autoclave body relative to hydrogen
Hydrogen is squeezed into the mass-transfer efficiency that autoclave body improves hydrogen and liquid from autoclave body bottom, increases reaction efficiency by the mode of autoclave body.
It is further arranged to：The end that the hydrogen pipe stretches into autoclave body is connected with gas distributor.
By using above-mentioned technical proposal, autoclave body bottom and equably is entered by gas distributor with making hydrogen distributing
It moves upwards that hydrogen is made more efficiently to contact with liquid, promotes the utilization rate of reaction efficiency and hydrogen.
It is further arranged to：The gas distributor include gas distribution rings and it is several be opened in gas distribution rings and
Equally distributed distribution hole.
By using above-mentioned technical proposal, hydrogen enters light body distribution rings again by the distribution in gas distribution rings from hydrogen pipe
Hole enters in liquid, simple in structure, and distributed effect is good.
It is further arranged to：Chuck is also set up outside the autoclave body, the cooling device includes being set on the chuck
It water inlet pipe and is set on water inlet pipe for being passed through the cooling sea water inlet valve of cooling water or chilled water.
By using above-mentioned technical proposal, by open cooling sea water inlet valve be passed through into chuck cooling water or chilled water from
And autoclave body is cooled down by heat exchange, simple in structure, good cooling results.
It is further arranged to：The heating device includes the steam pipe being set on the chuck and is set to steam pipe
On steam inlet valve for being passed through steam.
By using above-mentioned technical proposal, steam is passed through into chuck to be carried out to autoclave body by opening steam inlet valve
Heating, simple in structure, heating effect is good.
It is further arranged to：The autoclave body is internally provided with temperature detector and pressure detector.
By using above-mentioned technical proposal, temperature and pressure inside autoclave body are monitored by temperature detector and pressure detector
Power, it is simple in structure to achieve the purpose that control reaction pressure and temperature, while the pressure and temperature by detecting can rise
To the effect of early warning, help to promote security performance.
It is further arranged to：Relief valve is provided on the autoclave body, the relief valve is connected with collecting tank.
By using above-mentioned technical proposal, using relief valve when autoclave body air pressure inside exceeds setting value to autoclave body inside
Air carry out pressure release, to promote security performance, by by relief valve connect collecting tank to prevent discharge hydrogen directly into
Enter air and mixes generation danger with air.
In conclusion the utility model has the advantages that：
1, drive agitating shaft rotation that the blade on agitating shaft is made to be stirred in reactant liquid to form whirlpool using speed reducer
Stream so that liquid phase, gas phase are sufficiently mixed under the stirring of blade, and tool stirring shearing force is strong, mass transfer effect is good；
2, hydrogen is made to enter cavity simultaneously from air inlet under differential pressure action by the stirring of air inlet, gas outlet with hing straps
It is discharged by venthole, makes hydrogen self-loopa, increase the mass-transfer efficiency of liquid and hydrogen；
3, the air pressure inside hydrogenation reaction kettle is controlled by relief valve, it will be in autoclave body by hydraulic valve when air pressure is higher
Gas is discharged and the gas of discharge is passed through in collecting tank, increases safety, while preventing the hydrogen in discharge gas and sky
Gas contact is caused danger.
Description of the drawings
Fig. 1 is example structure schematic diagram；
Fig. 2 is agitating shaft, agitator disk and blade scheme of installation；
Fig. 3 is the axial sectional view of blender；
Fig. 4 is hydrogen pipe and gas distributor structural schematic diagram.
In figure：1, autoclave body；11, feed pipe；12, nitrogen tube；13, hydrogen pipe；14, top discharge pipe；15, bottom discharge pipe；16、
Chuck；17, temperature detector；18, pressure detector；19, bottom discharge valve；2, blender；21, speed reducer；22, agitator disk；
3, agitating shaft；31, the first agitating shaft；32, the second agitating shaft；33, cavity；34, air admission hole；35, venthole；4, blade；41, it scratches
Property piece；5, gas distributor；51, gas distribution rings；52, distribution hole；6, heating device；61, steam pipe；62, steam inlet valve；
7, cooling device；71, water inlet pipe；72, cooling sea water inlet valve；81, relief pipeline；82, relief valve；9, collecting tank.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
A kind of hydrogenation reaction kettle, as shown in Figure 1, include autoclave body 1, the top of autoclave body 1 be connected with feed pipe 11, nitrogen tube 12,
Hydrogen pipe 13, top discharge pipe 14,1 bottom of autoclave body are connected with bottom discharge pipe 15, and bottom discharge pipe 15 is equipped with bottom discharge valve 19.
As shown in Figure 1, be equipped with blender 2 in autoclave body 1, blender 2 include speed reducer 21, agitating shaft 3, agitator disk 22 with
And blade 4, speed reducer 21 are installed on 1 top of autoclave body, agitating shaft 3 includes the first agitating shaft 31 and the second agitating shaft 32.First stirs
Mix the top of axis 31 be pierced by 1 top of autoclave body and with speed reducer 21 it is coaxially connected, the first agitating shaft 31 is pierced by the position progress of autoclave body 1
Sealing.
As shown in Figures 2 and 3, the second agitating shaft 32 is coaxially fixed on 31 bottom of the first agitating shaft, 31 He of the first agitating shaft
Interconnected cavity 33 is offered in second agitating shaft 32, the first agitating shaft 31 is located at the top of reactant liquid and surface is opened
Air admission hole 34 equipped with connection cavity 33,32 bottom end of the second agitating shaft offer the venthole 35 of connection cavity 33.Agitator disk 22
It is fixed on 32 bottom of the second agitating shaft and the second stirring penetrates agitator disk 22, there are four blades 4, circumferentially distributedly along agitator disk 22
It is fixed on 22 edge of agitator disk and is vertically arranged.Three are fixed on blade 4 to be distributed and be vertically arranged along blade 4 length direction
Flexible strip 41.
As shown in Figure 1, hydrogen pipe 13 extends downward into 1 bottom of autoclave body and is connected with gas distributor 5.
As shown in Figure 1 and Figure 4, gas distributor 5 includes gas distribution rings 51 and several is opened in gas distribution rings 51
Top and along the equally distributed distribution hole of 51 length of gas distribution rings 52.
As shown in Figure 1, temperature detector 17 and pressure detector 18 are installed on 1 inner wall of autoclave body, 17 He of temperature detector
The reading end of pressure detector 18 is located at outside autoclave body 1.
As shown in Figure 1, being provided with chuck 16 outside autoclave body 1, heating device 6 and cooling device 7 are provided on chuck 16, it is cooling
Device 7 includes the water inlet pipe 71 being connect with chuck 16 and the cooling sea water inlet valve 72 being installed on water inlet pipe 71, heating device 6
Include the steam pipe 61 being connect with chuck 16 and the steam inlet valve 62 being installed on steam pipe 61.
As shown in Figure 1, being equipped with relief pipeline 81 on autoclave body 1, relief valve 82, relief valve 82 are installed on relief pipeline 81
It is connected with collecting tank 9.
In use, being passed through nitrogen into autoclave body 1 to displace the air inside autoclave body 1 using nitrogen tube 12, continuously replace
It is above to empty 1 inner air of autoclave body three times, catalyst, methanol solvate and paranitroanisole are added by feed pipe 11,
Start speed reducer 21, hydrogen be passed through by hydrogen pipe 13, reaction is made to proceed by, according to reaction need to start cooling device 7 or
Person's heating device 6 generally first opens steam inlet valve 62, is passed through steam and makes to be warming up to reaction temperature inside autoclave body 1 and turns off steaming
Vapor inlet valve 62, by opening cooling sea water inlet valve 72 to be passed through cooling water or chilled brine into chuck 16 in reaction process
To cool down to autoclave body 1, the data reacted by temperature detector 17 and pressure detector 18, control temperature at 60~95 DEG C,
1.0~3.0Mpa.
Speed reducer 21 drives the first agitating shaft 31 and the rotation of the second agitating shaft 32, and when rotation, agitator disk 22 rotates, blade 4
The radial stirring of progress is stirred to reactant liquid, the liquid kinetic energy of 4 surrounding regional area of blade increases and pressure energy reduces,
Negative pressuren zone is formed, under the pressure difference below 1 top of autoclave body and blade 4 pushes, the hydrogen of reactant ullage is by hollow shaft
It is voluntarily sucked at the air admission hole 34 of end, downward along cavity 33, oriented upper floating after being discharged from gas outlet is recycled with this, thus with
Reactant comes into full contact with.The bubble that hydrogen is formed in a liquid is smashed by the flexible strip 41 on blade 4 and blade 4, is formed small
Bubble, to increase the contact area with reactant.
Hydrogen enters in gas distributor 5 after entering autoclave body 1 from hydrogen pipe 13 and by being uniformly distributed in gas distribution rings 51
Distribution hole 52 at be discharged, to being uniformly distributed in bottom in autoclave body 1 and float upwards, to increase contact area and make to connect
It touches uniform.
Relief valve 82 is automatically drained out the gas in autoclave body 1 to balance the air pressure in autoclave body 1 according to 1 air pressure inside of autoclave body, arranges
The gas collecting tank 9 that goes out is collected in order to avoid hydrogen therein is mixed with air and caused danger.
When reaction is completed, reactant is taken out by top discharge pipe 14 and bottom discharge pipe 15.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of hydrogenation reaction kettle, including autoclave body (1), feed pipe (11), nitrogen tube (12), hydrogen are provided on the autoclave body (1)
Tracheae (13), top discharge pipe (14) and bottom discharge pipe (15) are provided with heating device (6) and cooling device on the autoclave body (1)
(7), it is provided with blender (2) in the autoclave body (1), it is characterised in that：The blender (2) includes being set on autoclave body (1)
Speed reducer (21), with the coaxially connected agitating shaft (3) of speed reducer (21), be fixedly installed on the agitator disk of agitating shaft (3) bottom
(22) it and several is set on agitator disk (22) edge and along the circumferentially distributed blade (4) of agitator disk (22).
2. a kind of hydrogenation reaction kettle according to claim 1, it is characterised in that：The agitating shaft (3) includes the first stirring
Axis (31) and coaxial arrangement are in second agitating shaft (32) of the first agitating shaft (31) bottom end, first agitating shaft (31) and second
It offering cavity (33) in agitating shaft (32) and interconnects, the first agitating shaft (31) side wall offers air admission hole (34),
Second agitating shaft (32) bottom end offers the venthole (35) of connection cavity (33).
3. a kind of hydrogenation reaction kettle according to claim 2, it is characterised in that：It is provided with several edges on the blade (4)
The flexible strip (41) that blade (4) length direction is distributed and is vertically arranged.
4. a kind of hydrogenation reaction kettle according to claim 1, it is characterised in that：The hydrogen pipe (13) extends from top to
The bottom of the autoclave body (1).
5. a kind of hydrogenation reaction kettle according to claim 4, it is characterised in that：The hydrogen pipe (13) stretches into autoclave body (1)
End be connected with gas distributor (5).
6. a kind of hydrogenation reaction kettle according to claim 5, it is characterised in that：The gas distributor (5) includes gas
It distribution rings (51) and several is opened in gas distribution rings (51) and equally distributed distribution hole (52).
7. a kind of hydrogenation reaction kettle according to claim 1, it is characterised in that：Chuck is also set up outside the autoclave body (1)
(16), the cooling device (7) includes the water inlet pipe (71) being set on the chuck (16) and is set to water inlet pipe (71)
On cooling sea water inlet valve (72) for being passed through cooling water or chilled water.
8. a kind of hydrogenation reaction kettle according to claim 7, it is characterised in that：The heating device (6) includes being set to
Steam pipe (61) on the chuck (16) and it is set to steam inlet valve (62) on steam pipe (61) for being passed through steam.
9. a kind of hydrogenation reaction kettle according to claim 1, it is characterised in that：The autoclave body (1) is internally provided with temperature inspection
Survey device (17) and pressure detector (18).
10. a kind of hydrogenation reaction kettle according to claim 1, it is characterised in that：It is provided with relief valve on the autoclave body (1)
(82), the relief valve (82) is connected with collecting tank (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820159329.6U CN207970852U (en) | 2018-01-30 | 2018-01-30 | A kind of hydrogenation reaction kettle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820159329.6U CN207970852U (en) | 2018-01-30 | 2018-01-30 | A kind of hydrogenation reaction kettle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207970852U true CN207970852U (en) | 2018-10-16 |
Family
ID=63766263
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820159329.6U Active CN207970852U (en) | 2018-01-30 | 2018-01-30 | A kind of hydrogenation reaction kettle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207970852U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090602A (en) * | 2019-05-28 | 2019-08-06 | 中国神华煤制油化工有限公司 | A kind of hydrogenation reaction system |
| CN110143883A (en) * | 2019-05-28 | 2019-08-20 | 中国神华煤制油化工有限公司 | A kind of process for selective hydrogenation |
| CN110773088A (en) * | 2019-10-16 | 2020-02-11 | 河北圣雪大成制药有限责任公司 | Microreactor and method for continuously synthesizing sancycline by using same |
| CN112742329A (en) * | 2021-01-13 | 2021-05-04 | 吴虎明 | Variable-speed multi-directional stirring multifunctional reactor capable of controlling discharging |
| CN112755937A (en) * | 2019-10-21 | 2021-05-07 | 中骐石化装备(无锡)有限公司 | High-efficient reliable hydrogenation cauldron |
| CN113499610A (en) * | 2021-08-05 | 2021-10-15 | 济南沃顿能源科技有限公司 | Purification process of transformer oil |
| CN114887567A (en) * | 2022-05-16 | 2022-08-12 | 苏州金宏气体股份有限公司 | Hydrogen selenide continuous synthesis equipment and method |
-
2018
- 2018-01-30 CN CN201820159329.6U patent/CN207970852U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110090602A (en) * | 2019-05-28 | 2019-08-06 | 中国神华煤制油化工有限公司 | A kind of hydrogenation reaction system |
| CN110143883A (en) * | 2019-05-28 | 2019-08-20 | 中国神华煤制油化工有限公司 | A kind of process for selective hydrogenation |
| CN110090602B (en) * | 2019-05-28 | 2022-06-21 | 中国神华煤制油化工有限公司 | Hydrogenation reaction system |
| CN110143883B (en) * | 2019-05-28 | 2023-03-03 | 中国神华煤制油化工有限公司 | Hydrogenation reaction method |
| CN110773088A (en) * | 2019-10-16 | 2020-02-11 | 河北圣雪大成制药有限责任公司 | Microreactor and method for continuously synthesizing sancycline by using same |
| CN110773088B (en) * | 2019-10-16 | 2021-11-23 | 河北圣雪大成制药有限责任公司 | Microreactor and method for continuously synthesizing sancycline by using same |
| CN112755937A (en) * | 2019-10-21 | 2021-05-07 | 中骐石化装备(无锡)有限公司 | High-efficient reliable hydrogenation cauldron |
| CN112742329A (en) * | 2021-01-13 | 2021-05-04 | 吴虎明 | Variable-speed multi-directional stirring multifunctional reactor capable of controlling discharging |
| CN113499610A (en) * | 2021-08-05 | 2021-10-15 | 济南沃顿能源科技有限公司 | Purification process of transformer oil |
| CN113499610B (en) * | 2021-08-05 | 2022-11-25 | 济南沃顿能源科技有限公司 | Purification process of transformer oil |
| CN114887567A (en) * | 2022-05-16 | 2022-08-12 | 苏州金宏气体股份有限公司 | Hydrogen selenide continuous synthesis equipment and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207970852U (en) | A kind of hydrogenation reaction kettle | |
| CN201046396Y (en) | Non-rotary vertical cyclic liquid knockout reactor | |
| CN201482481U (en) | Self-suction exhaust type stirring reactor | |
| CN100584445C (en) | Stirring/flow-guiding multi-phase reactor | |
| CN207153705U (en) | A kind of reactor with solid-liquid separation function | |
| CN108057412A (en) | It is a kind of to be sufficiently stirred the dilution kettle being heated evenly | |
| CN207533222U (en) | A kind of self-priming lotion screen printing brush coating reaction kettle of stirring | |
| CN111686665A (en) | Micro-interface enhanced reaction system | |
| CN205235960U (en) | Epoxy production is with two -way stirring reation kettle | |
| CN205269629U (en) | Raw materials recycle mixing type reation kettle | |
| KR20170131152A (en) | Chemical reactor and preparation method of olefin using the same | |
| CN112169720A (en) | Nano-micro interface enhanced reaction system | |
| CN213348863U (en) | Resin reaction kettle | |
| CN114247412A (en) | Chemical production uses high-efficient type reation kettle | |
| CN210993892U (en) | A agitating unit for instant agar production | |
| CN211358762U (en) | Polyethylene low-temperature low-pressure polymerization reaction kettle | |
| CN108261792A (en) | Novel air dynamic formula stirs catalytic distillation device | |
| CN212383574U (en) | Silicon carbide raw material mixing stirring kettle | |
| CN108246222A (en) | Novel major axis magnetic force pump type reactor | |
| CN207085907U (en) | A kind of medicine production reactor | |
| CN2810740Y (en) | Vertical circulative impinging stream reactor | |
| CN204385193U (en) | Anaerobic fermentation tank | |
| CN202951474U (en) | Conical bottom surface stirring reaction kettle | |
| CN207769653U (en) | A kind of high-effect dual drive solid-liquid chemical mixing unit | |
| CN206325517U (en) | The cooling body of agitator tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |