CN207745873U - A kind of anti-clogging reaction kettle producing novel papermaking filter aid - Google Patents
A kind of anti-clogging reaction kettle producing novel papermaking filter aid Download PDFInfo
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- CN207745873U CN207745873U CN201721773620.4U CN201721773620U CN207745873U CN 207745873 U CN207745873 U CN 207745873U CN 201721773620 U CN201721773620 U CN 201721773620U CN 207745873 U CN207745873 U CN 207745873U
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- agitating shaft
- double helical
- ribbon type
- stirring blade
- kettle
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- 238000006243 chemical reaction Methods 0.000 title claims abstract description 27
- 238000003756 stirring Methods 0.000 claims abstract description 94
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 10
- 238000001914 filtration Methods 0.000 claims description 10
- 238000007790 scraping Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 abstract description 8
- 239000000203 mixture Substances 0.000 abstract description 3
- 238000009472 formulation Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- 230000014759 maintenance of location Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 229920002472 Starch Polymers 0.000 description 2
- 238000013019 agitation Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 239000002002 slurry Substances 0.000 description 2
- 235000019698 starch Nutrition 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000003746 solid phase reaction Methods 0.000 description 1
- 238000010671 solid-state reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model is related to papermaking formulation art more particularly to a kind of anti-clogging reaction kettle producing novel papermaking filter aid, paddle is installed on agitating shaft, filter screen is installed, the lower part of autoclave body offers discharge port below paddle；Paddle includes double helical-ribbon type stirring blades and puddle support, double helical-ribbon type stirring blades are arranged around agitating shaft by its bottom to rotary-top, agitating shaft passes through the junction of double helical-ribbon type stirring blades to be slidably installed, the lower part of double helical-ribbon type stirring blades is equipped with puddle support, the end of puddle support and agitating shaft is affixed, and puddle support includes the cross bar for adapting to inner wall of kettle, and the lower part of cross bar is equipped with several teeter columns, the end of teeter column is connected with spike-tooth, and spike-tooth is bonded installation with filter screen.The utility model, which has reached, reduces material in reactor easily obstructed generation in circulation, and reduces the bulk in material, while can avoid leading to occur discharge outlet because of temperature change the generation blocked occur.
Description
Technical field
The utility model is related to papermaking formulation art more particularly to a kind of anti-clogging reactions producing novel papermaking filter aid
Kettle.
Background technology
Papermaking filter aid is referred to as paper retention and filter aid due to having concurrently to keep with filtrating aid function, and paper retention and filter aid is one
The organic high molecular polymer of the water-soluble branched structure of kind, the effect of paper retention and filter aid are keeping when increasing paper pulp online
Rate has fiber fines and filler excellent Retention, section slurry apparent；Enhance drainability, reduce forming, squeezes and dried
The dehydration energy of journey；To increase paper yield, energy consumption is reduced, cost is reduced.And there is the work for increasing l Water Paper and dry paper intensity
With can keep wet end chemistry conditional stability, improve paper-forming evenness and paper physical property.Due to fiber fines and filler in water outlet
Amount reduces the load for also mitigating wastewater treatment.Especially the use of reaction kettle plays paper retention and filter aid important
Effect, the reaction kettle stirring homogenizer used in chemical industry mainly have following a few classes：One is being fixedly connected on agitating shaft
Single translamella starches agitating device；The second is being fixedly connected with the agitating device of single anchor formula slurry at agitating shaft bottom；The third is
The affixed frame in agitating shaft lower part starches agitating device；Above-mentioned several blenders are during different chemical synthesis process, although respectively
There is different application advantages but for applying in highly viscous liquid and liquid solid-state reaction material reaction process, but there is difference
The problem of defect, it is serious result even in generation do not meet the negatively reactions such as oxidation, the polymerization of processing parameter, to have
Damage the quality and yield rate of sintetics.
Therefore, a kind of anti-clogging reaction kettle of new production novel papermaking filter aid is developed, not only there is urgent research valence
Value, it may have good economic benefit and commercial application potentiality, this is exactly where the power that the utility model is accomplished and base
Plinth.
Utility model content
In order to overcome the defect of the prior art as indicated above, the present inventor to have made intensive studies this, paying
After a large amount of creative works, so as to complete the utility model.
Specifically, technical problem to be solved in the utility model is：A kind of novel papermaking filter aid of producing is provided
Anti-clogging reaction kettle to reduce the occurrence of material in reactor is obstructed in circulation, and reduces the bulk in material,
It can avoid because of temperature change simultaneously, lead to discharge outlet occur to block.
In order to solve the above technical problems, the technical solution of the utility model is：
A kind of anti-clogging reaction kettle producing novel papermaking filter aid, including autoclave body, the top of the autoclave body are equipped with kettle
Lid, is equipped with rabbling mechanism on the kettle cover, and the rabbling mechanism includes power part, agitating shaft and axle envelope component, described
One end of agitating shaft stretches into the inside of the autoclave body across the kettle cover, and paddle, the stirring are equipped on the agitating shaft
Filter screen is installed, the lower part of the autoclave body offers discharge port below leaf；
The paddle includes double helical-ribbon type stirring blades and puddle support, and double helical-ribbon type stirring blades are around the stirring
Axis is arranged by its bottom to rotary-top, and the agitating shaft passes through the junction of double helical-ribbon type stirring blades to be slidably installed,
The end of double helical-ribbon type stirring blades is equipped with shackle member, and the lower part of double helical-ribbon type stirring blades is equipped with described stir
Frame is mixed, the end of the puddle support and the agitating shaft is affixed, and the puddle support includes the cross bar for adapting to the inner wall of kettle, institute
The lower part for stating cross bar is equipped with several teeter columns, and the end of the teeter column is connected with spike-tooth, the spike-tooth and the filtering
Net fitting installation.
As an improvement technical solution, the kettle cover and the autoclave body are hinged, and be further opened in the covering into
Material mouth, the interior cooperation of the feed inlet are equipped with feed pipe, coordinate on the marginal position of the kettle cover and be equipped with seal washer.
As an improvement technical solution, double helical-ribbon type stirring blades include the first stirring blade and second stirring
Blade, first stirring blade rotate clockwise setting, second paddle around the agitating shaft by its bottom to top
Piece rotates clockwise setting, first stirring blade and second stirring blade around the agitating shaft by its bottom to top
Screw pitch it is equal.
As an improvement technical solution, be equipped on first stirring blade and second stirring blade and scrape
Piece, the scraping blade are bonded the inner wall of kettle installation.
As an improvement technical solution, the strainer include the first dictyosome and the second dictyosome, first dictyosome and
Angle between second dictyosome is 120 °, and the junction between first dictyosome and second dictyosome is equipped with arc
Section, offer several hexagon filter hole on the strainer.
As an improvement technical solution, hemispherical filtering backstop, the discharge outlet are installed on the discharge port
It is coated with a heating tape.
After using above-mentioned technical proposal, the utility model has the beneficial effects that：
Paddle includes double helical-ribbon type stirring blades and puddle support, double helical-ribbon type stirring blades around agitating shaft by its bottom extremely
Rotary-top is arranged, and agitating shaft passes through the junction of double helical-ribbon type stirring blades to be slidably installed, the end of double helical-ribbon type stirring blades
Portion is equipped with shackle member, and the lower parts of double helical-ribbon type stirring blades is equipped with puddle support, and the end of puddle support and agitating shaft is affixed, stirs
It includes the cross bar for adapting to inner wall of kettle to mix frame, and the lower part of cross bar is equipped with several teeter columns, and the end of teeter column is connected with nail
Tooth, spike-tooth are bonded installation with filter screen, when the utility model is used, rotation agitating shaft, the outside of double helical-ribbon type stirring blades
Double helix promotes solution from bottom to top, and solution waveform rotation annular in shape simultaneously collects, double ribbons at middle part to agitating shaft middle part
Formula stirring blade will collect the solution come spiral shape transmission from the top down, and reaction solution is made to be able to turn over above and below comprehensive in container
It rises, is fully merged, reaction is more thorough, and more completely, when needing to stir the diluter liquid of concentration, shackle member is dismantled, double
Helical-ribbon type stirring blade slides from agitating shaft, is stirred to replace other stirring blades；With existing monolithic spiral
The stirring blade of formula or single leaf formula is compared, and the stirring blade of the utility model not only stirs evenly, mixing effect is good and is convenient for
Replace, be suitable for more sticky liquid agitation and use, puddle support is rotated when agitating shaft is rotated, cross bar inside autoclave body into
Row rotation, teeter column are stirred the reaction solution inside autoclave body, and filter screen can stop bigger coagulum, spike-tooth energy
It is enough that the coagulum being bonded on filter screen is struck off, the blocking to filter screen is avoided, material in reactor is reduced and is circulating
Generation obstructed Shi Jiyi, and the bulk in material is reduced, while can avoid, because of temperature change, leading to discharge port occur
There is the generation blocked in place.
Kettle cover is hinged with autoclave body, and covers and be further opened with feed inlet, coordinates in feed inlet and is equipped with feed pipe, kettle cover
Cooperation is equipped with seal washer on marginal position, when the utility model is used, kettle cover and autoclave body can hingedly make kettle cover
Switch can be closed automatically, and feed inlet is set to the convenience that operation is increased on kettle cover, and seal washer increases kettle cover and kettle
Leakproofness between body.
Double helical-ribbon type stirring blades include the first stirring blade and the second stirring blade, the first stirring blade around agitating shaft by
Its bottom to top rotates clockwise setting, and the second stirring blade rotates clockwise setting around agitating shaft by its bottom to top,
The screw pitch of first stirring blade and the second stirring blade is equal, when the utility model is used, the first stirring blade is stirred with second
Mix blade, one counterclockwise rotation, another rotate clockwise, to form double helical-ribbon types, and the first stirring blade and second
The bottom of stirring blade connects, and as when agitating shaft, which rotates, to be stirred, external double helix promotes solution from bottom to top, solution is in ring
Shape waveform rotates and collects to agitating shaft middle part, and middle part stirring will collect the solution come, and spiral shape transmits from the top down, makes anti-
Solution is answered to be able to seethe above and below comprehensive in container, different material is fully merged, and reaction is more thorough, more completely.
Scraping blade is installed, scraping blade is bonded inner wall of kettle installation, this practicality is new on the first stirring blade and the second stirring blade
When in use, the installation of scraping blade can realize that the material when agitating shaft is stirred to inner wall of kettle strikes off to type, avoid
Material sticks cause the waste of material on inner wall of kettle.
Strainer includes the first dictyosome and the second dictyosome, and the angle between the first dictyosome and the second dictyosome is 120 °, the first net
Junction between body and the second dictyosome is equipped with segmental arc, offers several hexagon filter hole on strainer, the utility model exists
In use, the angle between the first dictyosome and the second dictyosome, which is 120 °, avoids the excessive damage for causing strainer of strainer stress, arc
Section can adapt to teeter column and be stirred, and avoid the bonding of material on strainer, hexagon filter hole that from capable of filtering larger particles
Material, anti-clogging effect are good.
Hemispherical filtering backstop is installed, discharge outlet is coated with a heating tape, and the utility model is using on discharge port
When, spherical filtering backstop can the larger material of some particles, while can avoid siltation on discharge port, avoid causing to block up
Plug, heating tape can control the temperature of the material of discharge outlet, avoid the occurrence of because of temperature change, lead to discharge port occur
There is the generation blocked in place.
In conclusion the utility model has reached the hair for reducing material in reactor easily obstructed situation in circulation
It is raw, and reduce the bulk in material, while can avoid because of temperature change, lead to discharge outlet occur to block.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the filter screen of Fig. 1；
Fig. 3 is the structural schematic diagram of the teeter column of Fig. 1；
In figure：1, autoclave body, 2, kettle cover, 3, rabbling mechanism, 31, paddle, 311, double helical-ribbon type stirring blades, 3111,
One stirring blade, the 3112, second stirring blade, 3113, scraping blade, 32, puddle support, 321, teeter column, 322, spike-tooth, 4, power part
Part, 5, agitating shaft, 51, axle envelope component, 6, filter screen, the 61, first dictyosome, the 62, second dictyosome, 7, feed pipe, 8, hemispherical mistake
Filter backstop, 9, heating tape, 10, hexagon filter hole.
Specific implementation mode
The utility model is further illustrated with reference to specific embodiment.But the purposes of these exemplary embodiments
Only it is used for enumerating the utility model with purpose, any type of any limit not is constituted to the real protection scope of the utility model
It is fixed, it is more non-that the scope of protection of the utility model is confined to this.
As shown in Figs. 1-3, a kind of anti-clogging reaction kettle producing novel papermaking filter aid, including autoclave body 1, autoclave body 1 it is upper
Portion is equipped with kettle cover 2, and rabbling mechanism 3 is equipped on kettle cover 2, and rabbling mechanism 3 includes power part 4, agitating shaft 5 and axle envelope portion
Part 51, one end of agitating shaft 5 stretch into the inside of autoclave body 1 across kettle cover 2, paddle 31 are equipped on agitating shaft 5, paddle 31
Lower section is equipped with filter screen 6, and the lower part of autoclave body 1 offers discharge port, and paddle 31 includes double helical-ribbon type stirring blades 311 and stirs
Frame 32 is mixed, double helical-ribbon type stirring blades 311 are arranged around agitating shaft 5 by its bottom to rotary-top, and agitating shaft 5 passes through double helical-ribbon types
The junction of stirring blade 311 is slidably installed, and the end of double helical-ribbon type stirring blades 311 is equipped with shackle member, and double helical-ribbon types stir
The lower part for mixing blade 311 is equipped with puddle support 32, and puddle support 32 and the end of agitating shaft 5 are affixed, and puddle support 32 includes adapting to kettle
The lower part of the cross bar of 1 inner wall of body, cross bar is equipped with several teeter columns 321, and the end of teeter column 321 is connected with spike-tooth 322, nail
Tooth 322 is bonded installation with filter screen 6.
When wherein rotating agitating shaft 5, the external double helix of double helical-ribbon type stirring blades 311 promotes solution from bottom to top,
The rotation of solution waveform annular in shape simultaneously collects to 5 middle part of agitating shaft, and double helical-ribbon type stirring blades 311 at middle part will collect molten
Spiral shape transmits liquid from the top down, makes reaction solution be able to seethe above and below comprehensive in container, is fully merged, reaction is more
Thoroughly, more completely, when needing to stir the diluter liquid of concentration, shackle member is dismantled, double helical-ribbon type stirring blades 311 are from stirring
It slides on axis 5, is stirred to replace other paddles 31；With existing monolithic is spiral or the stirring of single leaf formula
31, leaf is compared, and the paddle 31 of the utility model not only stirs evenly, mixing effect is good and is conveniently replaceable, and is suitable for relatively viscous
Thick liquid agitation uses, and puddle support 32 is rotated when agitating shaft 5 is rotated, and cross bar is rotated inside autoclave body 1, stirring
Column 321 is stirred the reaction solution inside autoclave body 1, and filter screen 6 can stop bigger coagulum, and spike-tooth 322 can
The coagulum being bonded on filter screen 6 is struck off, the blocking to filter screen 6 is avoided, material in reactor is reduced and is circulating
Generation obstructed Shi Jiyi, and the bulk in material is reduced, while can avoid, because of temperature change, leading to discharge port occur
There is the generation blocked in place.
Kettle cover 2 is hinged with autoclave body 1, and covers and be further opened with feed inlet, coordinates in feed inlet and is equipped with feed pipe 7, kettle
Cooperation is equipped with seal washer on the marginal position of lid 2, and kettle cover 2 hingedly can enable the switch of kettle cover 2 automatic with autoclave body 1
It is closed, feed inlet is set to the convenience that operation is increased on kettle cover 2, and seal washer increases close between kettle cover 2 and autoclave body 1
Feng Xing.
Double helical-ribbon type stirring blades 311 include the first stirring blade 3111 and the second stirring blade 3112, the first paddle
Piece 3111 rotates clockwise setting around agitating shaft 5 by its bottom to top, and the second stirring blade 3112 is around agitating shaft 5 by its bottom
Setting is rotated clockwise to top, and the screw pitch of the first stirring blade 3111 and the second stirring blade 3112 is equal, the first paddle
Piece 3111 and the second stirring blade 3112, one counterclockwise rotation, another rotate clockwise, to form double helical-ribbon types, and
First stirring blade 3111 is connected with the bottom of the second stirring blade 3112, when rotating stirring with agitating shaft 5, external double helix
Solution is promoted from bottom to top, the rotation of solution waveform annular in shape simultaneously collects to 5 middle part of agitating shaft, and middle part stirring will collect
Spiral shape transmits solution from the top down, makes reaction solution be able to seethe above and below comprehensive in container, different material is able to fully
Fusion, reaction is more thorough, more completely.
Scraping blade 3113 is installed, scraping blade 3113 is bonded autoclave body 1 on first stirring blade 3111 and the second stirring blade 3112
Inner wall is installed, and the installation of scraping blade 3113, which can be realized, strikes off the material of 1 inner wall of autoclave body when agitating shaft 5 is stirred,
It avoids material sticks on 1 inner wall of autoclave body, causes the waste of material.
Strainer includes the first dictyosome 61 and the second dictyosome 62, and the angle between the first dictyosome 61 and the second dictyosome 62 is
120 °, the junction between the first dictyosome 61 and the second dictyosome 62 is equipped with segmental arc, and several hexagon filterings are offered on strainer
Hole 10, the angle between the first dictyosome 61 and the second dictyosome 62 are 120 ° and avoid the excessive damage for causing strainer of strainer stress, arc
Shape section can adapt to teeter column 321 and be stirred, and avoid the bonding of material on strainer, hexagon filter hole 10 that from capable of filtering larger
Granule materials, anti-clogging effect are good.
Hemispherical filtering backstop 8 is installed, discharge outlet is coated with a heating tape 9, spherical filtering backstop energy on discharge port
The larger material of some enough particles, while can avoid siltation on discharge port, it avoids clogging, heating tape 9 can be to going out
The temperature of material at material mouth is controlled, and avoiding the occurrence of, which leads to occur because of temperature change discharge outlet, the generation blocked occurs.
It should be appreciated that the purposes of these embodiments is merely to illustrate the utility model and is not intended to limitation the utility model
Protection domain.In addition, it should also be understood that, after having read the technology contents of the utility model, those skilled in the art can be right
The utility model makees various change, modification and/or variation, all these equivalent forms equally fall within right appended by the application and want
Seek book within the limits of the protection.
Claims (6)
1. a kind of anti-clogging reaction kettle producing novel papermaking filter aid, including autoclave body, the top of the autoclave body are equipped with kettle cover,
Rabbling mechanism is installed, the rabbling mechanism includes power part, agitating shaft and axle envelope component, the stirring on the kettle cover
One end of axis stretches into the inside of the autoclave body across the kettle cover, and paddle is equipped on the agitating shaft, the paddle
Lower section is equipped with filter screen, and the lower part of the autoclave body offers discharge port；It is characterized in that：
The paddle includes double helical-ribbon type stirring blades and puddle support, double helical-ribbon type stirring blades around the agitating shaft by
Its bottom to rotary-top is arranged, and the agitating shaft passes through the junction of double helical-ribbon type stirring blades to be slidably installed, described
The end of double helical-ribbon type stirring blades is equipped with shackle member, and the lower part of double helical-ribbon type stirring blades is equipped with the stirring
The end of frame, the puddle support and the agitating shaft is affixed, and the puddle support includes the cross bar for adapting to the inner wall of kettle, described
The lower part of cross bar is equipped with several teeter columns, and the end of the teeter column is connected with spike-tooth, the spike-tooth and the filter screen
Fitting installation.
2. a kind of anti-clogging reaction kettle producing novel papermaking filter aid as described in claim 1, it is characterised in that：The kettle
Lid is hinged with the autoclave body, and feed inlet is further opened on the kettle cover, coordinates in the feed inlet and is equipped with feed pipe, described
Cooperation is equipped with seal washer on the marginal position of kettle cover.
3. a kind of anti-clogging reaction kettle producing novel papermaking filter aid as described in claim 1, it is characterised in that：It is described double
Helical-ribbon type stirring blade includes the first stirring blade and the second stirring blade, and first stirring blade is around the agitating shaft by it
Bottom to top rotates clockwise setting, and second stirring blade is rotated clockwise around the agitating shaft by its bottom to top
The screw pitch of setting, first stirring blade and second stirring blade is equal.
4. a kind of anti-clogging reaction kettle producing novel papermaking filter aid as claimed in claim 3, it is characterised in that：Described
Scraping blade is installed, the scraping blade is bonded the inner wall of kettle installation on one stirring blade and second stirring blade.
5. a kind of anti-clogging reaction kettle producing novel papermaking filter aid as described in claim 1, it is characterised in that：The filter
Net includes the first dictyosome and the second dictyosome, and the angle between first dictyosome and second dictyosome is 120 °, and described first
Junction between dictyosome and second dictyosome is equipped with segmental arc, and several hexagon filter hole are offered on the strainer.
6. a kind of anti-clogging reaction kettle producing novel papermaking filter aid as described in claim 1, it is characterised in that：It is described go out
Hemispherical filtering backstop is installed, the discharge outlet is coated with a heating tape in material mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773620.4U CN207745873U (en) | 2017-12-18 | 2017-12-18 | A kind of anti-clogging reaction kettle producing novel papermaking filter aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721773620.4U CN207745873U (en) | 2017-12-18 | 2017-12-18 | A kind of anti-clogging reaction kettle producing novel papermaking filter aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207745873U true CN207745873U (en) | 2018-08-21 |
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ID=63149614
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721773620.4U Active CN207745873U (en) | 2017-12-18 | 2017-12-18 | A kind of anti-clogging reaction kettle producing novel papermaking filter aid |
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| CN (1) | CN207745873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111187605A (en) * | 2020-02-11 | 2020-05-22 | 张玉珍 | Petroleum resistance-reducing viscosity reducer for low-temperature cold transportation pipeline, preparation device and preparation method |
-
2017
- 2017-12-18 CN CN201721773620.4U patent/CN207745873U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111187605A (en) * | 2020-02-11 | 2020-05-22 | 张玉珍 | Petroleum resistance-reducing viscosity reducer for low-temperature cold transportation pipeline, preparation device and preparation method |
| CN111187605B (en) * | 2020-02-11 | 2021-01-15 | 海兴县新源化工有限公司 | Petroleum resistance-reducing viscosity reducer for low-temperature cold transportation pipeline, preparation device and preparation method |
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