CN102002877B - Paper pulp concentrating machine - Google Patents
Paper pulp concentrating machine Download PDFInfo
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- CN102002877B CN102002877B CN2010105169198A CN201010516919A CN102002877B CN 102002877 B CN102002877 B CN 102002877B CN 2010105169198 A CN2010105169198 A CN 2010105169198A CN 201010516919 A CN201010516919 A CN 201010516919A CN 102002877 B CN102002877 B CN 102002877B
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- pulp
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Abstract
The invention discloses a paper pulp concentrating machine which is provided with a transmission device, a machine case, a filter screen cage and a spiral shaft. The paper pulp concentrating machine is mainly characterized in that the spiral shaft is in a cone shape with the larger upper part and the smaller lower part and is vertically arranged in the machine case, the machine case is in a cylindrical structure, and the filter screen cage is in a reverse cone shape, is arranged in the machine case, is combined with the spiral shaft and has the extruding concentrating effect. The paper pulp concentrating machine has the effect that pulp with the concentration about 3 percent extracted from a spraying pot is concentrated to 6 to 8 percent, and then, the pulp is then sent into a single-screw pulp extruding machine for extracting block liquid, so the goal of high-concentration black liquid concentration is realized.
Description
Technical field
The present invention relates to a kind of paper pulp concentrating machine, belong to pulping back liquor and extract corollary equipment, be used for paper pulp and carry densely, it is dense also to can be used for carrying of other similar material.
Background technology
Domestic black liquor of pulp making extraction process adopts many traditional vacuum pulp washing machine series connection to hang down dense extraction for a long time; The subject matter that exists is that extraction efficiency is low, black liquid consistency is low, the big temperature of thermal loss is low, the utilization of resources rate is low, and it is the problem that presses for solution that exploitation uses novel equipment to carry out the high dense extraction of black liquor.Under this condition; The new technology that adopts the single-screw press master to carry out the high dense extraction of black liquor has been succeedd and has been used and promote; But adopt this new technology need improve into slurry concentration; The conventional vacuum wash engine advance to starch normally 2-3% of concentration, the advancing to starch concentration and need reach 6-8% and could obtain desirable high dense extraction effect of single-screw press master.
Summary of the invention
For addressing this problem, the objective of the invention is: develop a kind of paper pulp concentrating machine.The effect of concentrating machine is the slurry that is about 3% to be carried dense to 6-8% from the concentration of extracting out in the spraying pot, sends into the single-screw press master again and extracts black liquor, thereby realize the purpose of the high dense extraction of black liquor.
The objective of the invention is to realize through following technical scheme:
A kind of paper pulp concentrating machine has transmission device, casing, filtration cylinder mould and helical axis.Helical axis is taper, and the low speed gyration is done in vertical installation.At first; Low underflow material gets into the slurry surge bunker from casing top; Flow into downwards and filter cylinder mould, under self-gravity action, carry out preliminary hydro-extraction, and under the effect of revolving spiral axle, advance downwards; Squeezing action through filtering cylinder mould and helical axis is further dewatered, and reaches the grout outlet discharge from the bottom after the desired concentration.Helical axis not only plays extrusion dehydration, plays the effect of stopping up of removing to filtering cylinder mould simultaneously.
The present invention cooperates the high black liquid novel technology for extracting and develops design, successfully is applied to first produce, and has obtained good result of use, for the high dense extraction process of black liquor has solved an outstanding equipment technology difficult problem, has filled up blank.
The structural principle parameter:
The speed of mainshaft: 20-120rpm (frequency control)
Engine power: 11-30KW
Structural shape: form by cone-type spiral axle, filtration cylinder mould, casing and transmission device.Helical axis is the low speed rotation body, vertical installation; The filtration cylinder mould is a back taper, the distribution fine mesh; Casing is a cylindrical shape; Stock inlet is arranged at casing top, and filtrate (liquid is arranged at the bottom.The slurry of carrying after dense is discharged from the cylinder mould lower pyramid mouth, can adjust the size of load through revolution speed of screw.
Technical characterstic:
1. solve the low problem that can't adapt to the high black liquid extraction of spraying pot pulp concentration; Directly pumping to concentrating machine to low-consistency stock with common stock pump gets final product; Novel structure is simple, and feeding is even continuously,, " bridging ", nothing obstruction insensitive to the foreign material such as ironware stone in the slurry.
2. concentrating machine adopts vertical inverted cone-shaped structure, through conducting oneself with dignity and pushing dual dehydration, significantly improves and puies forward dense efficient, can carry slurry dense to 6-8% rapidly from 2-3%.And screen pack had the block clearing effect, do not stick with paste net.
3. improve the extraction efficiency of single-screw press master greatly.Equipment operates steadily, and the site environment cleaning reduces the loss of black liquor and the reduction of black liquor temperature, realizes energy-saving and cost-reducing and cleaner production target.
Description of drawings
Fig. 1 is a front view of the present invention;
Fig. 2 is the vertical view of front view;
Among the figure:
1, transmission device; 2, bearing block; 3, surge bunker; 4, cone-type spiral axle; 5, filter cylinder mould; 6, filtrate chamber; 7, casing; 8, support plinth.
Each interface of following symbology:
N1, low underflow material import; N2, high consistency stock outlet; N3, filtrating outlet; N4, inspection socket; N5, liquid level and pressure gauge connection; N6, sewage draining exit.
The specific embodiment
Further illustrate content of the present invention below in conjunction with accompanying drawing and instantiation, but these embodiment do not limit protection scope of the present invention.
Like Fig. 1, shown in 2, the present invention mainly is made up of transmission device 1, bearing block 2, cone-type spiral axle 4, filtration cylinder mould 5 and casing 7.Casing is provided with top charging surge bunker 3 and bottom filtrate chamber 6 and various interface.The tapering of flight is confirmed according to volume compression ratio on the helical axis.It is chain that the present invention is provided with liquid level gauge, pressure sensor and variable-frequency motor, can carry out stepless speed regulation to main shaft according to output and concentration requirement.
During work: helical axis turns round towards the direction of setting with certain rotating speed; Need carry dense slurry and get into surge bunker from charging aperture; Flow into to filter cylinder mould subsequently and carry out, and under the extruding of flight and impetus, advance downwards and further extrusion dehydration, along with the continuous dehydration of slurry from the gravity dehydration; Concentration constantly increases, and grout outlet is discharged from the bottom at last.The filtrating of filtering gets into filtrate chamber, discharges through leakage fluid dram, puies forward dense process thereby accomplish whole slurry.
Claims (1)
1. a paper pulp concentrating machine is characterized in that: have transmission device, casing, helical axis and filtration cylinder mould; Casing is dismountable columnar structured, and helical axis is vertical assembling, and it is combined to filter cylinder mould and helical axis, is assemblied in the casing; Be provided with charging aperture and slurry surge bunker on casing top, the bottom is provided with filtrate chamber and filtrating outlet, and the bottom is a slurry outlet; Helical axis is up big and down small back taper, does gyration at a slow speed, and helical axis can carry out frequency control as required; The filtration cylinder mould is an inverted cone-shaped structure, is made up of filter and framework, distributes on the filter and filters aperture.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105169198A CN102002877B (en) | 2010-10-25 | 2010-10-25 | Paper pulp concentrating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105169198A CN102002877B (en) | 2010-10-25 | 2010-10-25 | Paper pulp concentrating machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102002877A CN102002877A (en) | 2011-04-06 |
| CN102002877B true CN102002877B (en) | 2012-10-31 |
Family
ID=43810565
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105169198A Active CN102002877B (en) | 2010-10-25 | 2010-10-25 | Paper pulp concentrating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102002877B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102493250A (en) * | 2011-12-06 | 2012-06-13 | 湖南骏泰浆纸有限责任公司 | Biomass waste residue squeezer |
| CN111569502A (en) * | 2020-06-11 | 2020-08-25 | 广东省资源综合利用研究所 | Spiral solid-liquid separation device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503106Y (en) * | 2001-08-29 | 2002-07-31 | 杨文堂 | Pulp black liquor extraction machine |
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2010
- 2010-10-25 CN CN2010105169198A patent/CN102002877B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503106Y (en) * | 2001-08-29 | 2002-07-31 | 杨文堂 | Pulp black liquor extraction machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102002877A (en) | 2011-04-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 414002 No. 1 Guangming Road, Yueyang, Hunan, Chenglingji Applicant after: Yueyang Forest & Paper Co., Ltd. Address before: 414002 No. 1 Guangming Road, Yueyang, Hunan, Chenglingji Applicant before: Yueyang Paper-making Industry Co., Ltd. |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhou Haidong Inventor after: Liang Wei Inventor before: Zhou Haidong Inventor before: Mao Guoxin |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: YUEYANG PAPER CO., LTD. TO: YUEYANG FOREST + PAPER CO., LTD. Free format text: CORRECT: INVENTOR; FROM: |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |