CN207210832U - A kind of top net former of gradual dehydration - Google Patents
A kind of top net former of gradual dehydration Download PDFInfo
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- CN207210832U CN207210832U CN201720896458.9U CN201720896458U CN207210832U CN 207210832 U CN207210832 U CN 207210832U CN 201720896458 U CN201720896458 U CN 201720896458U CN 207210832 U CN207210832 U CN 207210832U
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- roller
- top net
- spacer screen
- circular top
- format roll
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Abstract
The utility model discloses a kind of top net former of gradual dehydration, including circular top net and multiple format rolls, and circular top net forms l Water Paper page transfer passage above spacer screen between circular top net and spacer screen；The joining part of circular top net and spacer screen is provided with multiple format rolls, and multiple format rolls are alternately located in below the online side of circular top and spacer screen, and a drying zone is correspondingly formed at each format roll；Along the conveying direction of l Water Paper page, the diameter of format roll is gradually reduced, and the dewatering pressure of drying zone gradually increases.Its dewatering is gradually increased using the pressure of multiple drying zones, and multistage dehydration is carried out to l Water Paper page.The utility model can realize gradual dehydration, slow down the speed of wet paper sheet dehydration forming, so as to preferably meet the production requirement of heavu weights.
Description
Technical field
Pulp and paper technology field is the utility model is related to, more particularly to a kind of top net former of gradual dehydration.
Background technology
Traditional long mesh paper making machine is dehydrated by one side, so that the filler and fiber fines by wire side page are kept
Relatively low, the page wire side of formation is more positive coarse, causes the two sides difference of paper big.Meanwhile with the progress that wet end is dehydrated, pulp layer
Concentration improve constantly, it is poly- that the fiber in pulp layer starts wadding, and with the raising of concentration, and poly- degree of wadding a quilt with cotton also begins to aggravate, most
Cause the uniformity of paper surface poor eventually.
Some paper plants at present, in order to improve the paper-forming evenness of long mesh paper making machine, in addition to the head box selected, often through increasing
It is poor to improve the uniformity of paper surface and reduce two sides to add traditional wire table shaking or addition ornamenting roller, but its improvement is not
Substantially, and these methods can be used only on low speed paper machine.Once paper machine speed more than 250m/min, traditional wire table shaking and
The effect of ornamenting roller will be restricted.More importantly ornamenting roller does not possess the function of dehydration, using the fourdrinier part of ornamenting roller
It is still one side dehydration, it is impossible to fundamentally solve the problems, such as paper two sides difference, to improving formation of sheet and reducing two sides difference
Act on very little.Therefore, further to improve the paper quality of fourdriner forming, top net former is a kind of selection well.
Top net former refers to before wet web is shaped, and increases a forming net, wet web above long mesh paper making machine forming table
By being dehydrated paper web upper and lower surface, while by the extruding and hydraulic action between two layers of mesh, disperse fibre between two layers of mesh
Dimension wadding is poly-, reduces the fiber floc sedimentation in l Water Paper page, improves paper formation, and the two sides reduced in page structure is poor, bright so as to reach
The aobvious purpose for improving page quality.
At present, top net former can simply be divided into from structure roll-type top net former, scraper-type top net former and
Hybrid top net former, wherein roll-type top net former are mainly made up of roller, pass through the extruding force and roller between two nets
Centrifugal force dehydration, dewatering efficiency is very high, at the same spacer screen and top net between friction be mainly rolling friction, the abrasion to net
Very little, wet end load is also reduced, therefore very extensive application has been obtained in tissue paper production.
But because traditional roll-type top net former only has a dehydration forming area, top net is dehydrated most dehydrated
Journey is completed in this region, and the extruding force in dehydration forming area is very big, so when producing heavu weights, on the one hand, too big dehydration
Pressure can damage fibrous layer, deteriorate properties of product, particularly strength character, also including printing performance, can break paper when serious；It is another
Aspect, when entering nip, because pulp layer is very thick, slurry can be extruded, and flow to both sides and head box direction, also resulted in shaping and disliked
Change, influence final paper quality.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, there is provided a kind of top net forming of gradual dehydration
Device, the top net former can realize gradual dehydration, slow down the speed of wet paper sheet dehydration forming, so as to preferably meet Gao Ding
Measure the production requirement of paper.
The technical solution of the utility model is：A kind of top net former of gradual dehydration, including circular top net and multiple
Format roll, circular top net form l Water Paper page transfer passage above spacer screen between circular top net and spacer screen；Circular top net with
The joining part of spacer screen is provided with multiple format rolls, and multiple format rolls are alternately located in below the online side of circular top and spacer screen, Mei Gecheng
A drying zone is correspondingly formed at type roller；Along the conveying direction of l Water Paper page, the diameter of format roll is gradually reduced, the dehydration of drying zone
Pressure gradually increases.
As a kind of preferred scheme, the format roll has four, along the conveying direction of l Water Paper page, is followed successively by first time shaping
Roller, format roll on first, format roll on the second lower forming roller and second, wherein, the first lower forming roller is below spacer screen, and the
The joint of one lower forming roller and spacer screen forms the first drying zone, and format roll is located at circular top side, and on first on the net on first
The joint of format roll and circular top net forms the second drying zone, and the second lower forming roller is below spacer screen, and second time shaping
The joint of roller and spacer screen forms the 3rd drying zone, on second format roll located at circular top side on the net, and on second format roll with
The joint of circular top net forms the 4th drying zone.Wherein, the first lower forming roller uses fluted roller, and the l Water Paper page above roller is by two
The water that net (i.e. circular top net and spacer screen) extruding force is discharged downwards can be drained by rill, reduce the generation of embossing.On second into
Type roller drives top net to carry out cycle rotation with the operation of spacer screen as driven roller.Format roll can on format roll and second on first
Adjust up and down, so as to adjust the depth of circular top net press-in spacer screen, while adjust two nets to the extruding force of l Water Paper page and
The tension force of two nets, reach the distribution of regulation wet end double side dewatering, Optimize the forming scheme, the purpose for improving evenness.
Circular top at first drying zone is just provided with the first water receiving case on the net, and the circular top at the 3rd drying zone is online
Side is provided with the second water receiving case；First water receiving case and the second water receiving box structure are identical, with Wiper blade, Wiper blade and circular top netlist
Face is in contact.
Vacuum tank is provided between second drying zone and the 3rd drying zone, vacuum tank is below spacer screen.
The output end of 4th drying zone is provided with suction roller, and suction roller is located at below spacer screen, and suction roller is external vacuum
The vacuum furnace of pump.When two nets pass through suction roller, l Water Paper page is adhered on spacer screen, is moved on spacer screen into next workshop section, and
It will not be transferred with top net, so as to ensure the normal operation of paper machine.
Two outsides of the multiple format roll are respectively equipped with guide-in roller and outlet roller, circular top net and spacer screen at guide-in roller
Between form the first angle, form the second angle between the circular top net and spacer screen at outlet roller, the angle of the first angle is less than
The angle of second angle.In actual production, the height of guide-in roller and outlet roller can be adjusted according to the process requirements of reality, so as to
Adjust the angle of the first angle and the second angle.
It is additionally provided with the inside of the circular top net and inhales fog chamber, later roller, corrector roll and idler roller, along the circulation of circular top net
Rotation direction, guide-in roller, the first water receiving case, format roll on first, the second water receiving case, format roll, outlet roller on second, inhale mist
Case, later roller, corrector roll and idler roller are sequentially arranged in the inner side of circular top net；Also set on the outside of circular top net corresponding with inhaling fog chamber
There is high pressure water jet pipe.
The depth of format roll press-in spacer screen be 50mm~300mm on described first, and format roll is pressed into the depth of spacer screen on second
Spend for 250mm~500mm；And the depth of format roll press-in spacer screen is deep in the depth ratio first of format roll press-in spacer screen on second
150mm~300mm.According to the factor such as the quantitative of page, slurry kind material in actual production, it is molded on first on format roll and second
The actual grade that roll-in enters spacer screen is adjustable.
1.05~1.2 times of roller diameter are molded on a diameter of the first of first lower forming roller, format roll on first
1.1~1.4 times of a diameter of second lower forming roller diameter, the second lower forming roller a diameter of second on be molded roller diameter 1.05
~1.2 times, the diameter of format roll is not less than 400mm on second.
In said apparatus structure, each part of composition top net former is fixedly installed in frame, is also set below spacer screen
There is white wate tray, for accepting moisture caused by each drying zone.
A kind of dewatering of gradual dehydration can be realized by above-mentioned top net former, comprised the following steps：
(1) after l Water Paper page enters the l Water Paper page transfer passage formed between circular top net and spacer screen, it is introduced into the first dehydration
Area, preliminary extrusion dehydration is carried out by the first lower forming roller in the first drying zone；
During the extrusion dehydration, the water of prolapse upwards is drained from the first water receiving case, the Wiper blade and circular top of water receiving case
Net surface contacts, and on the one hand blows the water of circular top net prolapse upwards off, on the other hand also produces pressure fluctuation to l Water Paper page, improves
Shaping；
(2) after completing preliminary extrusion dehydration, l Water Paper page continues to be fed forward and enters the second drying zone, circular top net with
Under the extruding of spacer screen, with reference to the centrifugal action of format roll on first, second of extrusion dehydration is carried out to l Water Paper page；
During the extrusion dehydration, caused water, which is downwardly into white wate tray, drains, and the water being attached on spacer screen passes through true
Empty van is discharged；
(3) after completing second of extrusion dehydration, now wet web dryness increase and thickness reduction, it is de- that l Water Paper page is sent into the 3rd
Behind pool, while the extruding force of circular top net and spacer screen and the centrifugal force of the second lower forming roller are increased, the 3rd is carried out to l Water Paper page
Secondary extrusion dehydration；
Should during, by the first drying zone and the second drying zone dehydration after wet web dryness oneself through relatively large, it is wet
The thickness of page reduces, and can bear larger extruding force between two nets, therefore in the 3rd drying zone, the increase of two net extruding forces, from
Heart dehydration power increase, the water of prolapse upwards are drained from the second water receiving case；
(4) the l Water Paper page for completing third time extrusion dehydration is sent into the 4th drying zone, further increases circular top net and spacer screen
Extruding force and the second lower forming roller centrifugal force, the 4th extrusion dehydration is carried out to l Water Paper page；
During being somebody's turn to do, it is downwardly into white wate tray and is arranged by the water of format roll centrifugal force abjection on two net extruding and second
Walk, the water being attached on spacer screen is discharged by suction roller, so far completes the dehydration of l Water Paper page.
The principle of above-mentioned top net former and its dewatering is：In the top net former of the gradual dehydration, along l Water Paper
The direction of advance of page, the format roll of four reduced diameters is set, adjusts two upper format rolls (format roll and the on i.e. first
Format roll on two) different press-in spacer screen depth, make direction of advance increase of the depth of press-in spacer screen along l Water Paper page, due to wet
The de-watering extrusion power of two nets and the radius of centrifugal force and format roll are inversely proportional suffered by page, gradual so as to form four extruding forces
Increased drying zone, make l Water Paper page netted on top in the extruding force received, centrifugal force be slowly increased, l Water Paper page is in suitable drainage and formation
Under effect, slowly it is molded, so as to avoid heavu weights excessive dewatering pressure infringement existing during net use is pushed up
The problems such as fibrous layer, deterioration are shaped and slurry is extruded in the network folder area of top, reaches and uses roll-type top in heavu weights production
Net former increase dehydration, the purpose of Optimize the forming scheme, while slowly dehydration is more beneficial for improving keeping for filler and fiber fines
Rate, paper quality is improved, reduce production cost.
The utility model has the advantages that relative to prior art：
This top net former and its dewatering in the joint of circular top net and spacer screen by setting multiple format rolls, shape
Into multiple drying zones, multistage dehydration is carried out to l Water Paper page using gradually incremental dewatering pressure, existed so as to avoid heavu weights
Existing excessive dewatering pressure damages fibrous layer, deterioration shaping during the net use of top and slurry is squeezed in the network folder area of top
The problems such as going out, reach in heavu weights production using roll-type top net former increase dehydration, the purpose of Optimize the forming scheme, delay simultaneously
Slow dehydration is more beneficial for improving the retention of filler and fiber fines, improves paper quality, reduces production cost.This top net forming
Device uses gradual dehydration, slows down the speed of wet paper sheet dehydration forming, can preferably meet the production requirement of heavu weights.
Brief description of the drawings
Fig. 1 is the principle schematic of this top net former.
Embodiment
With reference to embodiment, the utility model is described in further detail, but embodiment of the present utility model
Not limited to this.
Embodiment
A kind of top net former of gradual dehydration of the present embodiment, as shown in figure 1, including circular top net 16 and four into
Type roller, circular top net form l Water Paper page transfer passage 18 located at the top of spacer screen 17 between circular top net and spacer screen；Circular top net
Four format rolls are provided with the joining part of spacer screen, four format rolls are alternately located in below the online side of circular top and spacer screen, each
A drying zone is correspondingly formed at format roll；Along the conveying direction (as shown in single arrow in Fig. 1) of l Water Paper page, format roll it is straight
Footpath is gradually reduced, and the dewatering pressure of drying zone gradually increases.
Along the conveying direction of l Water Paper page, four format rolls are followed successively by format roll 2, second on the first lower forming roller 1, first
Format roll 5 on lower forming roller 4 and second, wherein, the first lower forming roller is below the spacer screen, and the first lower forming roller and spacer screen
Joint forms the first drying zone I, and format roll is located at circular top side, and format roll and circular top net on first on the net on first
Joint forms the second drying zone II, and the second lower forming roller is below spacer screen, and the joint of the second lower forming roller and spacer screen
Form the 3rd drying zone III, format roll is located at circular top side on the net on second, and format roll and circular top net connect on second
Place forms the 4th drying zone IV.Wherein, the first lower forming roller uses fluted roller, and the l Water Paper page above roller is by two net (i.e. circular tops
Net and spacer screen) water discharged downwards of extruding force can be drained by rill, reduce the generation of embossing.Format roll is as driving on second
Roller, top net is driven to carry out cycle rotation with the operation of spacer screen.Format roll can carry out downward on format roll and second on first
Section, so as to adjust the depth of circular top net press-in spacer screen, while two nets is adjusted to the extruding force of l Water Paper page and two tension force netted, reached
To regulation wet end double side dewatering distribution, Optimize the forming scheme, the purpose for improving evenness.
Circular top at first drying zone is just provided with the first water receiving case 7 on the net, the side on the net of the circular top at the 3rd drying zone
Provided with the second water receiving case 8；First water receiving case and the second water receiving box structure are identical, with Wiper blade, Wiper blade and circular top netlist
Face is in contact.Vacuum tank 3 is provided between second drying zone and the 3rd drying zone, vacuum tank is below spacer screen.4th drying zone
Output end be provided with suction roller 6, suction roller is located at below spacer screen, and suction roller is the vacuum furnace of external vavuum pump.Two nets are by inhaling
When moving roller, l Water Paper page is adhered on spacer screen, is moved on spacer screen into next workshop section, without being transferred with top net, so as to protect
Demonstrate,prove the normal operation of paper machine.
Two outsides of four format rolls are respectively equipped with guide-in roller 15 and outlet roller 9, circular top net and spacer screen at guide-in roller
Between form the first angle, form the second angle between the circular top net and spacer screen at outlet roller, the angle very little of the first angle,
The angle changing rate of second angle is big, top net is separated as soon as possible with l Water Paper page., can be according to the technique need of reality in actual production
The height of regulation guide-in roller and outlet roller is sought, so as to adjust the angle of the first angle and the second angle.
It is additionally provided with the inside of circular top net and inhales fog chamber 11, later roller 12, corrector roll 13 and idler roller 14, along circular top net
Cycle rotation direction, guide-in roller, the first water receiving case, format roll on first, the second water receiving case, format roll, outlet roller, suction on second
Fog chamber, later roller, corrector roll and idler roller are sequentially arranged in the inner side of circular top net；On the outside of circular top net corresponding with inhaling fog chamber also
Provided with high pressure water jet pipe 10.
The depth of format roll press-in spacer screen be 150mm on first, and the depth that format roll is pressed into spacer screen on second is 400mm.
According to the process requirements of reality, the depth adjustment range of format roll press-in spacer screen can be 50mm~300mm on first, on second into
The depth adjustment range that type roll-in enters spacer screen can be 250mm~500mm；And on second format roll press-in spacer screen depth ratio the
Depth depth 150mm~300mm of format roll press-in spacer screen on one.According to the quantitative of page, slurry kind material etc. in actual production because
Element, the actual grade of format roll press-in spacer screen is adjustable on format roll and second on first.So as to adjust circular top net press-in spacer screen
Depth, while adjust two nets to the extruding force of l Water Paper page and two tension force netted, reach the distribution of regulation wet end double side dewatering, optimization
Shaping, the purpose for improving evenness.
A diameter of 700mm of first lower forming roller, a diameter of 650mm of format roll on first, the second lower forming roller it is straight
Footpath is 550mm, a diameter of 500mm of format roll on second.According to needs of production, the diameter of four format rolls is adjustable, and one
As in the case of, the first lower forming roller a diameter of first on be molded 1.05~1.2 times of roller diameter, the diameter of format roll on first
For 1.1~1.4 times of the second lower forming roller diameter, the second lower forming roller a diameter of second on be molded roller diameter 1.05~
1.2 times, the diameter of format roll is not less than 400mm on second.
In said apparatus structure, each part of composition top net former is fixedly installed in frame, is also set below spacer screen
There is white wate tray, for accepting moisture caused by each drying zone, each format roll uses rubber roll.
The present embodiment realizes a kind of dewatering of gradual dehydration by above-mentioned top net former, comprises the following steps：
(1) after l Water Paper page enters the l Water Paper page transfer passage formed between circular top net and spacer screen, it is introduced into the first dehydration
Area, preliminary extrusion dehydration is carried out by the first lower forming roller in the first drying zone；
During the extrusion dehydration, the water of prolapse upwards is drained from the first water receiving case, the Wiper blade and circular top of water receiving case
Net surface contacts, and on the one hand blows the water of circular top net prolapse upwards off, on the other hand also produces pressure fluctuation to l Water Paper page, improves
Shaping；
(2) after completing preliminary extrusion dehydration, l Water Paper page continues to be fed forward and enters the second drying zone, circular top net with
Under the extruding of spacer screen, with reference to the centrifugal action of format roll on first, second of extrusion dehydration is carried out to l Water Paper page；
During the extrusion dehydration, caused water, which is downwardly into white wate tray, drains, and the water being attached on spacer screen passes through true
Empty van is discharged；
(3) after completing second of extrusion dehydration, now wet web dryness increase and thickness reduction, it is de- that l Water Paper page is sent into the 3rd
Behind pool, while the extruding force of circular top net and spacer screen and the centrifugal force of the second lower forming roller are increased, the 3rd is carried out to l Water Paper page
Secondary extrusion dehydration；
Should during, by the first drying zone and the second drying zone dehydration after wet web dryness oneself through relatively large, it is wet
The thickness of page reduces, and can bear larger extruding force between two nets, therefore in the 3rd drying zone, the increase of two net extruding forces, from
Heart dehydration power increase, the water of prolapse upwards are drained from the second water receiving case；
(4) the l Water Paper page for completing third time extrusion dehydration is sent into the 4th drying zone, further increases circular top net and spacer screen
Extruding force and the second lower forming roller centrifugal force, the 4th extrusion dehydration is carried out to l Water Paper page；
During being somebody's turn to do, it is downwardly into white wate tray and is arranged by the water of format roll centrifugal force abjection on two net extruding and second
Walk, the water being attached on spacer screen is discharged by suction roller, so far completes the dehydration of l Water Paper page.
The principle of above-mentioned top net former and its dewatering is：In the top net former of the gradual dehydration, along l Water Paper
The direction of advance of page, the format roll of four reduced diameters is set, adjusts two upper format rolls (format roll and the on i.e. first
Format roll on two) different press-in spacer screen depth, make direction of advance increase of the depth of press-in spacer screen along l Water Paper page, due to wet
The de-watering extrusion power of two nets and the radius of centrifugal force and format roll are inversely proportional suffered by page, gradual so as to form four extruding forces
Increased drying zone, make l Water Paper page netted on top in the extruding force received, centrifugal force be slowly increased, l Water Paper page is in suitable drainage and formation
Under effect, slowly it is molded, so as to avoid heavu weights excessive dewatering pressure infringement existing during net use is pushed up
The problems such as fibrous layer, deterioration are shaped and slurry is extruded in the network folder area of top, reaches and uses roll-type top in heavu weights production
Net former increase dehydration, the purpose of Optimize the forming scheme, while slowly dehydration is more beneficial for improving keeping for filler and fiber fines
Rate, paper quality is improved, reduce production cost.
As described above, the utility model can be realized preferably, above-described embodiment is only preferably implementation of the present utility model
Example, not it is used for limiting practical range of the present utility model；I.e. all equivalent changes and modifications made according to the utility model content,
All covered by the utility model claims scope claimed.
Claims (9)
1. a kind of top net former of gradual dehydration, it is characterised in that including circular top net and multiple format rolls, circular top net
Above spacer screen, and l Water Paper page transfer passage is formed between circular top net and spacer screen；The joining part of circular top net and spacer screen
Provided with multiple format rolls, multiple format rolls are alternately located in below the online side of circular top and spacer screen, are correspondingly formed at each format roll
One drying zone；Along the conveying direction of l Water Paper page, the diameter of format roll is gradually reduced, and the dewatering pressure of drying zone gradually increases.
2. a kind of top net former of gradual dehydration according to claim 1, it is characterised in that the format roll has four
It is individual, along the conveying direction of l Water Paper page, be followed successively by the first lower forming roller, format roll on first, on the second lower forming roller and second into
Type roller, wherein, the first lower forming roller is below spacer screen, and the joint of the first lower forming roller and spacer screen forms the first dehydration
Area, format roll is located at circular top side, and the joint of format roll and circular top net forms the second dehydration on first on the net on first
Area, the second lower forming roller is below spacer screen, and the 3rd drying zone of the joint of the second lower forming roller and spacer screen formation, on second
Format roll is located at circular top side, and the joint of format roll and circular top net forms the 4th drying zone on second on the net.
3. a kind of top net former of gradual dehydration according to claim 2, it is characterised in that at first drying zone
Circular top be just provided with the first water receiving case on the net, the circular top at the 3rd drying zone is just provided with the second water receiving case on the net；First connects
Water tank and the second water receiving box structure are identical, and with Wiper blade, Wiper blade is in contact with circular top net surface.
A kind of 4. top net former of gradual dehydration according to claim 2, it is characterised in that second drying zone and
Vacuum tank is provided between 3rd drying zone, vacuum tank is below spacer screen.
5. a kind of top net former of gradual dehydration according to claim 2, it is characterised in that the 4th drying zone
Output end is provided with suction roller, and suction roller is located at below spacer screen, and suction roller is the vacuum furnace of external vavuum pump.
6. a kind of top net former of gradual dehydration according to claim 2, it is characterised in that the multiple format roll
Two outsides are respectively equipped with guide-in roller and outlet roller, and the first angle, outlet roller are formed between the circular top net and spacer screen at guide-in roller
The second angle is formed between the circular top net and spacer screen at place, the angle of the first angle is less than the angle of the second angle.
A kind of 7. top net former of gradual dehydration according to claim 6, it is characterised in that the circular top net it is interior
Side, which is additionally provided with, inhales fog chamber, later roller, corrector roll and idler roller, along the cycle rotation direction of circular top net, guide-in roller, the first water receiving
Case, format roll on first, the second water receiving case, format roll, outlet roller on second, inhale fog chamber, later roller, corrector roll and idler roller according to
It is secondary located at the inner side of circular top net；High pressure water jet pipe is additionally provided with the outside of circular top net corresponding with inhaling fog chamber.
A kind of 8. top net former of gradual dehydration according to claim 2, it is characterised in that format roll on described first
The depth of press-in spacer screen be 50mm~300mm, and the depth that format roll is pressed into spacer screen on second is 250mm~500mm；And on second
Depth depth 150mm~300mm of format roll press-in spacer screen in the depth ratio first of format roll press-in spacer screen.
A kind of 9. top net former of gradual dehydration according to claim 2, it is characterised in that first lower forming roller
A diameter of first on be molded 1.05~1.2 times of roller diameter, a diameter of second lower forming roller diameter of format roll on first
1.1~1.4 times, the second lower forming roller a diameter of second on be molded 1.05~1.2 times of roller diameter, format roll is straight on second
Footpath is not less than 400mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720896458.9U CN207210832U (en) | 2017-07-20 | 2017-07-20 | A kind of top net former of gradual dehydration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720896458.9U CN207210832U (en) | 2017-07-20 | 2017-07-20 | A kind of top net former of gradual dehydration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207210832U true CN207210832U (en) | 2018-04-10 |
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ID=61813825
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720896458.9U Expired - Fee Related CN207210832U (en) | 2017-07-20 | 2017-07-20 | A kind of top net former of gradual dehydration |
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| Country | Link |
|---|---|
| CN (1) | CN207210832U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354797A (en) * | 2017-07-20 | 2017-11-17 | 华南理工大学 | The top net former and its dewatering of a kind of gradual dehydration |
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2017
- 2017-07-20 CN CN201720896458.9U patent/CN207210832U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107354797A (en) * | 2017-07-20 | 2017-11-17 | 华南理工大学 | The top net former and its dewatering of a kind of gradual dehydration |
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