CN104492535B - A kind of straw pulp making material conveying dilution spiral - Google Patents
A kind of straw pulp making material conveying dilution spiral Download PDFInfo
- Publication number
- CN104492535B CN104492535B CN201410796186.6A CN201410796186A CN104492535B CN 104492535 B CN104492535 B CN 104492535B CN 201410796186 A CN201410796186 A CN 201410796186A CN 104492535 B CN104492535 B CN 104492535B
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- CN
- China
- Prior art keywords
- rotating shaft
- tooth
- breaker roll
- helical blade
- material conveying
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- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/08—Screw or rotary spiral conveyors for fluent solid materials
- B65G33/14—Screw or rotary spiral conveyors for fluent solid materials comprising a screw or screws enclosed in a tubular housing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G33/00—Screw or rotary spiral conveyors
- B65G33/24—Details
- B65G33/26—Screws
- B65G33/265—Screws with a continuous helical surface
Abstract
The invention discloses a kind of straw pulp making material conveying dilution spiral, including delivery chute, described delivery chute is provided with charging aperture and discharging opening, described charging aperture is provided with charging cell body, it is rotatablely equipped with tooth-like breaker roll in described feed well body, described tooth-like breaker roll has two, arranged in parallel, the internally installed of described delivery chute has rotating shaft, described rotating shaft is provided with helical blade, and the blade pitgh of the helical blade of described rotating shaft the last period is gradually increased, the blade pitgh of the described helical blade of latter a section is equal；The top of described delivery chute is provided with cover plate, and described cover plate is provided with sparge pipe；Also including driving equipment, the described each ultromotivity of driving equipment connects described tooth-like breaker roll and described rotating shaft.The present invention not only meets the needs of conveying limit, slurry limit dilution in straw paper technology, and avoids slurry agglomerate in straw paper technology and enter the problem that subsequent step causes product quality very poor.
Description
Technical field
The present invention relates to paper making raw material and process equipment, be specifically related to a kind of conveyor screw, especially a kind of dilution spiral suitable in the conveying of straw pulp making material.
Background technology
At present, paper industry is generally adopted timber as main raw material, but it is accompanied by the further deterioration of environment, this employing log is just progressively substituted as the technique of raw material, in order to ensure the needs of paper industry to the full extent, engender now employing hair grass, cotton stalk, phragmites communis, corn stalk, the grass class such as Caulis et Folium Oryzae is as the technology of pulping raw material, not only provide new fiber source for paper industry, and achieve the utilization of refuse, change the situation that original above-mentioned material can only burn or go back field, achieve the comprehensive utilization of resource, there is splendid Social and economic benef@.
But, with regard to current research conditions, mainly have following several.
1, in document " adopting biotechnology, straw pulping and paper-making starts straw pulp green technology for making paper new era ", it is provided that a kind of method utilizing straw pulping and paper-making, as shown in Figure 4, in digestion process, over dry grass per ton produces black liquor 5.5m to concrete technology flow chart3, after shove, the COD content in black liquor is 40000mg/L, is converted to content of organics and is about 220kg.Although document proposing utilize biotechnology that black liquor is processed, but it is seen that, the mode of this employing steaming and decocting processes straw, and the black liquor amount caused is big, and is difficult to process.
2, in document " corn straw applied research in pulp and paper industry ", provide a kind of method that corn stalk skin adopts Caustic soda-anthraquinone slurrying, its concrete technology flow process is as shown in Figure 5, but, this method mainly adopts chemical reagent that straw is processed, it is conceivable that, the wastewater treatment in later stage is extremely complex, and adopt Chlorinated Bleaching, poisonous organic chloride can be produced, it is difficult to be applied to large-scale production.
Inventor is in the practice that this area is long-term, through a large amount of experiments repeatedly, determine a new technique, save steaming and decocting step, the stages such as grinding and bleaching are united two into one, simplifies technique process, it is simultaneously achieved fast low temperature softening, the waste water COD and the colourity that produce are substantially reduced, and pollutional load is greatly reduced, and waste water can fully recovering.
And in new technology, in order to convenient at paper industry, particularly can facilitating the pulping of raw material, above-mentioned raw material needs first to carry out pulverization process before manufacture, then by the raw material after pulverizing through cleaning, soften, be incubated, rub, react, grinding, shove, pulp washing, thicken, store up the steps such as slurry.
In above-mentioned processing step, the slurry after pulp washing is delivered in subsequent step, it is necessary to use conveyor screw, but, the particularity of slurry is produced for straw, traditional conveyor screw is difficult to meet requirement.This is because: 1, the slurry concentration of straw paper production is relatively larger, and agglomerate ratio is more serious after pulp washing, if simple is delivered in subsequent handling by the straw slurry of bulk, can be substantially reduced the efficiency of subsequent step, affect even the quality of final products；2, traditional conveyor screw can not realize the function of conveying limit, limit dilution.
Therefore, for the straw pulping process of inventor's research and development, a kind of specific conveyor screw of necessary design so that it is meet the demand of technique.
Summary of the invention
The technical problem to be solved is to provide a kind of straw pulp making material conveying dilution spiral, it disclosure satisfy that the requirement that straw pulp making material is carried, not only reduce slurry agglomerate, it is also possible in course of conveying, realize dilution, thus eliminating defect in above-mentioned background technology.
For solving above-mentioned technical problem, the technical scheme is that
A kind of straw pulp making material conveying dilution spiral, including delivery chute, described delivery chute is provided with charging aperture and discharging opening, being provided with charging cell body on described charging aperture, be rotatablely equipped with tooth-like breaker roll in described feed well body, described tooth-like breaker roll is provided with two, and it is arranged in parallel
The internally installed of described delivery chute has rotating shaft, and described rotating shaft is provided with helical blade, and the blade pitgh of the helical blade of described rotating shaft the last period is gradually increased, and the blade pitgh of the described helical blade of latter a section is equal；
The top of described delivery chute is provided with cover plate, and described cover plate is provided with sparge pipe；
Also including driving equipment, the described each ultromotivity of driving equipment connects described tooth-like breaker roll and described rotating shaft.
Herein, so-called " rotating shaft the last period " be with near charging aperture, contact rotating shaft one end of slurry at first for leading portion.
As the structure of a kind of optimization, described tooth-like breaker roll and described rotating shaft are parallel to each other.
As the structure of a kind of further optimization, the tooth-like breaker roll of said two relatively rotates under the effect of described driving equipment.Those skilled in the art should be not difficult to learn, it is possible to configures common gear drive to complete to meet said structure.
As the structure of a kind of further optimization, described tooth-like breaker roll is fixed with some shaft-like crushing teeths.
As the structure of a kind of further optimization, the crushing teeth arrangement interlaced with each other on the tooth-like breaker roll of said two.
Herein, in the interval between two row's crushing teeths of the crushing teeth that so-called " staggered " the row's crushing teeth referred on one of them tooth-like breaker roll is on the tooth-like breaker roll of another one.
As the structure of a kind of further optimization, on described rotating shaft, the blade pitgh of the first five helical blade is gradually increased, and the blade pitgh of helical blade is equal afterwards.
Those skilled in the art should it can be appreciated that " on rotating shaft the first five helical blade " be it is to say, adopt under the structure of this optimization, and the helical blade of the last period " rotating shaft " has five blades.
As the structure of a kind of optimization, the edge of each helical blade described offers 2-6 rectangle breach of symmetry, and is transversely provided with agitator on described rectangle breach.Adopting this structure, the present invention is when carrying slurry, it is possible to play limit conveying, limit is pulverized, the effect of limit dilution.
Described agitator is perpendicular with the direction of helical blade and rotation thereof, agitator can be welded on rectangle breach edge again, but, this programme adopts a kind of more optimal scheme: namely, when the rectangle breach processed on helical blade, directly rectangular block (cutting rectangle breach is formed) turnover, on one side, is formed this agitator.
As the structure of a kind of further optimization, the length-width ratio of described rectangle breach is 1:0.618 (i.e. golden section).
As the structure of a kind of optimization, described rotating shaft being additionally provided with stirrer gear, described stirrer gear is between described helical blade.
Owing to have employed technique scheme, the invention has the beneficial effects as follows:
The charging aperture of the present invention is provided with charging cell body, it is rotatablely equipped with tooth-like breaker roll in described feed well body, described tooth-like breaker roll has two, arranged in parallel, and inventor optimizes the structure of tooth-like breaker roll in practice, that is: tooth-like breaker roll relatively rotates under the effect of described driving equipment, and it is fixed with some shaft-like crushing teeths, the crushing teeth arrangement interlaced with each other on two tooth-like breaker rolls.Based on said structure, slurry can be broken up by the present invention fully, subsequently in delivery chute, it is to avoid in straw paper technology, slurry agglomerate enters the problem that subsequent step causes product quality very poor.
The top of the delivery chute of the present invention is provided with cover plate, cover plate is provided with sparge pipe, meanwhile, rotating shaft is provided with helical blade, and the blade pitgh of the described helical blade of described rotating shaft the last period is gradually increased, the blade pitgh of the described helical blade of latter a section is equal.Based on this structure, in the course of conveying of slurry, it is possible to use slurry is effectively diluted by sparge pipe, meet the needs of conveying limit, slurry limit dilution in straw paper technology.
The edge of helical blade of the present invention offers 2-6 rectangle breach of symmetry, and is provided with agitator.Adopting this structure, the present invention is when carrying slurry, it is possible to play limit conveying, limit is pulverized, the effect of limit dilution.
In a word, the present invention not only meets the needs of conveying limit, slurry limit dilution in straw paper technology, and avoids slurry agglomerate in straw paper technology and enter the problem that subsequent step causes product quality very poor.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram；
Fig. 2 is the structural representation of helical blade of the present invention；
Fig. 3 is the structural representation of the tooth-like breaker roll of the present invention；
Fig. 4 is the process flow diagram of first method in background technology；
Fig. 5 is the process flow diagram of second method in background technology.
In figure: 1. delivery chute, 2. charging aperture, 3. discharging opening, 4. charging cell body, 5. tooth-like breaker roll, 6. rotating shaft, 7. helical blade, 8. cover plate, 9. sparge pipe, 10. crushing teeth, 11. the first motor, 12. second motor, 13. rectangle breach, 14. agitators, 15. stirrer gears.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and effect and be easy to understand, below in conjunction with being specifically illustrating, the present invention is expanded on further.
Such as Fig. 1, shown in Fig. 2 and Fig. 3, a kind of straw pulp making material conveying dilution spiral, including delivery chute 1, described delivery chute 1 is provided with charging aperture 2 and discharging opening 3, described charging aperture 2 is provided with charging cell body 4, tooth-like breaker roll 5 it is rotatablely equipped with in described charging cell body 4, described tooth-like breaker roll 5 is provided with two, arranged in parallel, the internally installed of described delivery chute 1 has rotating shaft 6, described rotating shaft 6 is provided with helical blade 7, and the blade pitgh of the helical blade 7 of described rotating shaft 6 the last period is gradually increased, the blade pitgh of the described helical blade 7 of latter a section is equal；The top of described delivery chute 1 is provided with cover plate 8, described cover plate 8 is provided with outlet and stretches into the sparge pipe 9 of intracavity in described delivery chute 1；Also include driving equipment, the described each ultromotivity of driving equipment connects described tooth-like breaker roll 5 and described rotating shaft 6, those skilled in the art are understood that, driving equipment can adopt motor etc., such as, in the present invention, what drive rotating shaft 6 is the first motor 11, and what drive tooth-like breaker roll 5 is the second motor 12.
In the present embodiment, described tooth-like breaker roll 5 is arranged in parallel with described rotating shaft 6, described tooth-like breaker roll 5 relatively rotates under the effect of described driving equipment, it is configured with common gear drive to complete to meet said structure, described tooth-like breaker roll 5 is fixed with some shaft-like crushing teeths 10, crushing teeth 10 arrangement interlaced with each other on the tooth-like breaker roll of said two 5, so slurry can be broken up fully, subsequently in delivery chute, it is to avoid in straw paper technology, slurry agglomerate enters the problem that subsequent step causes product quality very poor.
In the present embodiment, described rotating shaft 6 is with the first five helical blade 7 for the last period, the blade pitgh of this first five helical blade 7 is gradually increased, the blade pitgh of helical blade is equal afterwards, i.e. a1 < a2 < a3 < a4 < a5=a6=a7 ..., so, in the course of conveying of slurry, can utilize sparge pipe 9 that slurry is effectively diluted, meet the needs of conveying limit, slurry limit dilution in straw paper technology.
In the present embodiment, the edge of described helical blade 7 offers 2-6 rectangle breach 13 of symmetry, and is provided with agitator 14.Adopt this structure, the present invention is when carrying slurry, can play limit conveying, limit is pulverized, the effect of limit dilution, the length-width ratio of described rectangle breach 13 is 1:0.618 (i.e. golden section), adopt golden section proportion, also it is the conclusion that draws in long-term practice of inventor, it is possible to ensure conveying, pulverize, the perfect adaptation of dilution three, reaches optimum efficiency.
In the present embodiment, described rotating shaft 6 being additionally provided with stirrer gear 15, described stirrer gear 15 is between described helical blade 7.
The present invention is not limited to above-mentioned detailed description of the invention, and all are conceived based on the technology of the present invention, and the done improvement in structure each falls among protection scope of the present invention.
Claims (9)
1. a straw pulp making material conveying dilution spiral, including delivery chute, described delivery chute is provided with charging aperture and discharging opening, it is characterized in that: described charging aperture is provided with charging cell body, it is rotatablely equipped with tooth-like breaker roll in described feed well body, described tooth-like breaker roll is provided with two, and arranged in parallel；The internally installed of described delivery chute has rotating shaft, and described rotating shaft is provided with helical blade, and the blade pitgh of the helical blade of described rotating shaft the last period is gradually increased, and the blade pitgh of the described helical blade of latter a section is equal；The top of described delivery chute is provided with cover plate, and described cover plate is provided with the sparge pipe stretching into described delivery chute inner chamber；
Also including driving equipment, the described each ultromotivity of driving equipment connects described tooth-like breaker roll and described rotating shaft.
2. a kind of straw pulp making material conveying dilution spiral as claimed in claim 1, it is characterised in that: described tooth-like breaker roll is arranged in parallel with described rotating shaft.
3. a kind of straw pulp making material conveying dilution spiral as claimed in claim 1, it is characterised in that: the tooth-like breaker roll of said two relatively rotates under the effect of described driving equipment.
4. a kind of straw pulp making material conveying dilution spiral as claimed in claim 3, it is characterised in that: described tooth-like breaker roll is fixed with some shaft-like crushing teeths.
5. a kind of straw pulp making material conveying dilution spiral as claimed in claim 4, it is characterised in that: the crushing teeth arrangement interlaced with each other on the tooth-like breaker roll of said two.
6. a kind of straw pulp making material conveying dilution spiral as claimed in claim 1, it is characterised in that: on described rotating shaft, the blade pitgh of the first five helical blade is gradually increased, and the blade pitgh of helical blade is equal afterwards.
7. a kind of straw pulp making material conveying dilution spiral as claimed in claim 6, it is characterised in that: the edge of described each helical blade offers 2-6 rectangle breach of symmetry, and is transversely provided with agitator on described rectangle breach.
8. a kind of straw pulp making material conveying dilution spiral as claimed in claim 7, it is characterised in that: the length-width ratio of described rectangle breach is 1:0.618.
9. a kind of straw pulp making material conveying dilution spiral as claimed in claim 1, it is characterised in that: being additionally provided with stirrer gear on described rotating shaft, described stirrer gear is between described helical blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410796186.6A CN104492535B (en) | 2014-12-18 | 2014-12-18 | A kind of straw pulp making material conveying dilution spiral |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410796186.6A CN104492535B (en) | 2014-12-18 | 2014-12-18 | A kind of straw pulp making material conveying dilution spiral |
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| CN104492535A CN104492535A (en) | 2015-04-08 |
| CN104492535B true CN104492535B (en) | 2016-07-20 |
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| WO2019177508A1 (en) * | 2018-03-12 | 2019-09-19 | Valmet Ab | Arrangement and method for transporting pulp from one process stage to a subsequent process stage |
| SE2330120A1 (en) * | 2023-03-13 | 2024-03-05 | Valmet Oy | Screw feeder |
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| CN105597899A (en) * | 2016-03-22 | 2016-05-25 | 邵鹏程 | Environment-friendly straw grinder |
| CN106418677A (en) * | 2016-11-27 | 2017-02-22 | 山东瑞博斯烟草有限公司 | Material refiner before regenerating tobacco pulp by papermaking method |
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Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4681361B2 (en) * | 2005-06-20 | 2011-05-11 | 三菱農機株式会社 | Grain conveyor |
| KR100834848B1 (en) * | 2006-12-28 | 2008-06-03 | 한국수자원공사 | Crushing equipment of cake type sludge |
| KR100876210B1 (en) * | 2007-02-20 | 2008-12-31 | 코리아그린 주식회사 | Self-Driven Forest Shredding Equipment |
| CN201087014Y (en) * | 2007-08-23 | 2008-07-16 | 山东山矿机械有限公司 | Screw type stalk conveying feeder |
| CN202657618U (en) * | 2012-05-28 | 2013-01-09 | 刘雨欣 | Novel closed type spiral conveyor |
| CN204365396U (en) * | 2014-12-18 | 2015-06-03 | 昌邑润德生态纤维有限公司 | A kind of straw pulp making material conveying dilution spiral |
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2014
- 2014-12-18 CN CN201410796186.6A patent/CN104492535B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019177508A1 (en) * | 2018-03-12 | 2019-09-19 | Valmet Ab | Arrangement and method for transporting pulp from one process stage to a subsequent process stage |
| SE2330120A1 (en) * | 2023-03-13 | 2024-03-05 | Valmet Oy | Screw feeder |
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| CN104492535A (en) | 2015-04-08 |
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