CN101929087B - Efficient impurity removal process for bagasse - Google Patents
Efficient impurity removal process for bagasse Download PDFInfo
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- CN101929087B CN101929087B CN 200910144381 CN200910144381A CN101929087B CN 101929087 B CN101929087 B CN 101929087B CN 200910144381 CN200910144381 CN 200910144381 CN 200910144381 A CN200910144381 A CN 200910144381A CN 101929087 B CN101929087 B CN 101929087B
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- 241000609240 Ambelania acida Species 0.000 title claims abstract description 88
- 239000010905 bagasse Substances 0.000 title claims abstract description 88
- 239000012535 impurity Substances 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 28
- 230000008569 process Effects 0.000 title claims abstract description 22
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 230000018044 dehydration Effects 0.000 claims abstract description 18
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 18
- 238000005406 washing Methods 0.000 claims abstract description 14
- 229910052742 iron Inorganic materials 0.000 claims abstract description 11
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 59
- 239000002994 raw material Substances 0.000 claims description 12
- 238000003809 water extraction Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 9
- 239000010813 municipal solid waste Substances 0.000 claims description 9
- 238000010411 cooking Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 210000005056 cell body Anatomy 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005571 horizontal transmission Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052710 silicon Inorganic materials 0.000 abstract description 4
- 239000010703 silicon Substances 0.000 abstract description 4
- 229920001131 Pulp (paper) Polymers 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000003513 alkali Substances 0.000 abstract 1
- 238000004061 bleaching Methods 0.000 abstract 1
- 208000005156 Dehydration Diseases 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 11
- 239000000123 paper Substances 0.000 description 9
- 240000000111 Saccharum officinarum Species 0.000 description 7
- 235000007201 Saccharum officinarum Nutrition 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 7
- 239000000835 fiber Substances 0.000 description 7
- 239000004576 sand Substances 0.000 description 5
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000004575 stone Substances 0.000 description 4
- 239000008400 supply water Substances 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 235000013339 cereals Nutrition 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 229920002678 cellulose Polymers 0.000 description 2
- 239000001913 cellulose Substances 0.000 description 2
- 238000000855 fermentation Methods 0.000 description 2
- 230000004151 fermentation Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 244000082204 Phyllostachys viridis Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 240000000359 Triticum dicoccon Species 0.000 description 1
- 229920002522 Wood fibre Polymers 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 239000007844 bleaching agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 239000011111 cardboard Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000003306 harvesting Methods 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000004537 pulping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 239000002025 wood fiber Substances 0.000 description 1
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Abstract
The invention discloses an efficient impurity removal process for bagasse, which comprises the following steps of: (1) conveying the bagasse on a wet storage yard onto a chain plate conveyer; (2) conveying the bagasse onto a rubber belt conveyer with an electromagnetic iron remover through the chain plate conveyer; (3) conveying the bagasse to a drum impurity remover through the rubber belt conveyer; (4) conveying 4 to 5 percent bagasse to a hydraulic impurity remover; (5) conveying 2 to 3 percent bagasse to a tubular impurity remover through a bagasse pump, and removing heavy impurities again; (6) conveying the low-concentration bagasse to a bagasse bleacher for bleaching, displacing washing water and removing fine impurities; (7) conveying the bleached bagasse to an efficient spiral dehydrator for dehydrating; and (8) finally conveying the bagasse to a dehydrating return screw conveyor to perform auxiliary dehydration. The process has the advantages that: the total impurity removal rate can reach 12 to 18 percent; and the process achieves the effects of reducing alkali consumption, improving the washing effect of paper pulp, reducing silicon interference in the black liquor reclaiming process, improving the pulp forming quality and yield, prolonging the service life of equipment and the like.
Description
Technical field
The present invention relates to a kind of a kind of efficient impurity removal process for bagasse that adapts to horizontal continuous cooking device systems technique that the present invention relates to.
Background technology
Bagasse belongs to non-wood-fiber, in nature, can list the grass fiber category in, but it is different from general grass fiber, is the byproduct in sugar refinery, and the raw material resources that are a kind of high concentration are always acted as a fuel by sugar refinery and burn.Content of cellulose and the timber of bagasse are close, and fibre length is about 0.65～2.17mm, and width is 0.021～0.028mm.Although its fibre morphology less than timber and bamboo, then is slightly better than a farmland than the rice wheat straw fiber.The sugarcane fiber two ends are tip-shape, and the power that interweaves is better.Especially can supply in enormous quantities after pressing sugar, the amount of having is large, concentrate and than the characteristics of easily collecting, so be a kind of good paper making raw material.The bagasse bleach chemical pulp is mixed and is joined certain long fiber, high-grade culture paper using and paper for daily use that the various evenness of can manufacturing paper with pulp are good, such as copy paper, offset printing paper, sanitary tissue, napkin paper etc., the true qualities bagasse pulp is still produced the good raw material of corrugated paper and various cardboards.Bagasse does not need long-distance transport, namely can be used on the spot, is easy to build up the pulp and paper making of producing tens thousand of tons of economic scales per year.Sugarcane marrow content of cellulose is low in the bagasse, extract content---and particularly hot water extract and 1% NaOH and content of ashes are high.Reduce pulping yield that extract content then is conducive to improve raw material, reduce the consumption such as chemicals, increase economic efficiency.In the bagasse ash content, have 60～80%, silica, by processing except marrow, effectively reduce content of ashes---be the content of silicon.Reduce silicone content, will obtain the silicon that reduces alkaline consumption, improves the pulp washing effect, reduces in the black liquor recovery process and disturb texts.The sugarcane marrow is the principal element that affects the papery fragility, and by processing except marrow, the thick component in the bagasse has increased, and tiny component then significantly descends, thus Effective Raise the bagasse quality.The stone that heavy foreign material in the bagasse mix when mainly coming from sugarcane harvesting, stone and magnetic metal thing.In addition in equipment running process or the heavy foreign material that produce after breaking down of equipment, such as bolt, nut etc.Bagasse behind the loose heap of wet method is through sugar fermentation, volatilization etc., and through clear water spray maintenance moisture, so do not have too many silt and dust in the raw material, but because the bagasse shower water is replaced the acidic materials that little residual sugar fermentation produces, easily corrode on ground, stockyard, cement bonded sand is easily sneaked in the raw material, so the common sand content of Bagasse Material is larger.
Summary of the invention
Technical problem to be solved by this invention is: a kind of foreign material that can remove in the Bagasse Material are provided, comprise the efficient impurity removal process for bagasse of the tiny foreign material such as heavy foreign material, sugarcane marrow and sand grains.
In order to solve the problems of the technologies described above, the technical solution used in the present invention is: efficient impurity removal process for bagasse, and the bagasse on the stockyard that comprises the steps: 1. will to wet is transported to band with machinery and measures on the chain scraper conveyor of materials device; 2. bagasse is removed the magnetic foreign material on chain scraper conveyor is transported to rubber conveyer with electric magnetic iron remover; 3. bagasse is transported to the drum-type de-burring machine by rubber conveyer, removes heavily assorted; 4. bagasse enters hydraulic shaker under 4～5% concentration (mass percent), separates the tiny foreign material that are mixed in the raw material, and removes heavily assorted; 5. bagasse is transported in the tubular type trash separator by the bagasse pump under 2～3% concentration (mass percent), again removes heavy seeds; 6. bagasse enters the bagasse potcher and carries out rinsing under low consistency conditions, and displacement washing water, removes tiny foreign material; 7. the bagasse after rinsing enters the dehydration of high-efficiency helical Water Extraction Machinery; 8. bagasse enters the dehydration screw for returning material at last, assists dehydration, makes its mass dryness fraction reach the technological requirement of horizontal continuous cooking.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: the chain scraper conveyor of described step in 1. disposes the free water gathering-device, frequency control is selected in the horizontal transmission and the inclination discharging transmission that measure in the materials device, by output load is regulated, this chain scraper conveyor configuration free water gathering-device can adapt to the raw material with moisture≤55%.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: the electric magnetic iron remover of described step in 2. is to configure according to the rubber conveyer specification, and what adopt is without magnetic carrying roller, self-discharging type electric-magnetic iron remover, thereby prolongs the service life of electric magnetic iron remover.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: the drum-type de-burring machine removal of impurities concentration of described step in 3. is 4～5% (mass percents), at drum-type de-burring machine bottom band buffered water device, and water inlet employing formula pulse water-feeding, effectively reduce the raw material turnover rate, improve the raw material yield rate.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: the hydraulic shaker removal of impurities concentration of described step in 4. is 2～3% (percentage by weights), hydraulic shaker adopts impeller-type rotor, and polygon cell body, sieve diameter are 60～70mm, variable-frequency motor, the impurity removing rate is effectively controlled in frequency control, particularly except the marrow rate, guarantee pulp quality, Reduction of power consumption.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: the tubular type trash separator entrance side of described step in 5. has the passage that improves collecting effect by centrifugal force, heavy foreign material are collected at gravity and centrifugal force double acting, need not power, install and easy maintenance.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: be provided with the impeller-type stirrer that 3～4 reductors drive in the bagasse potcher of described step in 6., be provided with sieve plate below the agitator, sieve diameter is 4.8～5.5mm, the spacing of agitator and sieve plate is 10～15mm, bagasse potcher top is provided with the washings distributor, tapered portion cell body top in the bagasse potcher is provided with washings displacement outlet, tapered portion outlet configuration automatic impurity device in the bagasse potcher mainly separates the tiny foreign material such as sugarcane marrow, sand grains.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: the layout angle of the high-efficiency helical Water Extraction Machinery of described step in 7. is for tilting 20 °, the screen diameter is 4.5～4.8mm, spiral cylindrical and sieve plate gap in the high-efficiency helical Water Extraction Machinery are≤5mm, for the benefit of Bagasse Material dehydration, the mass dryness fraction of raising Bagasse Material.
In order to solve the problems of the technologies described above better, the further technical scheme that the present invention adopts is: the dehydration screw for returning material of described step in 8. is provided with sieve plate and drainage feeder in wet stock walking zone, screen diameter 4.5～4.8mm, after assisting dehydration, the raw material mass dryness fraction reaches the technological requirement of horizontal continuous cooking device systems.
Advantage of the present invention is: adopt efficient impurity removal process for bagasse of the present invention that bagasse is processed, always edulcoration rate can reach 12～18%, will obtain silicon interference, raising pulp quality and the yield rate, the extension device texts in service life that reduce in alkaline consumption, raising pulp washing effect, the minimizing black liquor recovery process.
Description of drawings
Fig. 1 is the flow chart of efficient impurity removal process for bagasse of the present invention.
Among the figure: 1, chain scraper conveyor, 2, rubber conveyer, 3, the drum-type de-burring machine, 31, chute, 4, hydraulic shaker, 5, the bagasse pump, 6, the tubular type trash separator, 7, the bagasse potcher, 71, chute, 8, the high-efficiency helical Water Extraction Machinery, 9, the dehydration screw for returning material, 10, circulating water chennel, 11, flushing pump, 12, supply-water pump, A, self-discharging type electric-magnetic iron remover, B1, sundries collector, B2, sundries collector, the B3 sundries collector, B4, sundries collector, C, automatic impurity device.
The specific embodiment
In order more clearly to set forth the present invention's " efficient impurity removal process for bagasse ", below in conjunction with Figure of description, be described in detail by embodiment.The present embodiment output is 180ADt/d alkaline process bagasse chemical pulp.
As shown in Figure 1,1. the bagasse (16.5BDt/d) of the loose heap of wet method is sent to band and measures on the chain scraper conveyor 1 of materials device by pushing away carrier aircraft, the dischargeable capacity of this chain scraper conveyor 1 is 60m
3, the operation coefficient of fullness is 0.7, and horizontal transmission speed 0～1.5m/s measures the transmission speed 0～12m/s of materials device, and speed realizes with frequency control; 2. bagasse enters rubber conveyer 2 after metering, and the model of rubber conveyer is B1200mm, belt speed 1.5m/s, and the magnetic metal foreign material in the bagasse are removed by self-discharging type electric-magnetic iron remover A in course of conveying; 3. bagasse is transported in the drum-type de-burring machine 3 by rubber conveyer 2, and the dischargeable capacity of drum-type de-burring machine 3 is 8m
3, the operation coefficient of fullness is 0.5, drum rotating speed 17rpm, working concentration 4～5% (mass percent), at drum-type de-burring machine 3 chute 31 is set and is used for discharging, drum-type de-burring machine 3 mainly is for removing the heavy foreign material such as stone, stone, weighing foreign material and fall into sundries collector B1 under Action of Gravity Field; 4. bagasse is fallen in the hydraulic shaker 4 through chute 31, and the dischargeable capacity of hydraulic shaker 4 is 60m
3, the operation coefficient of fullness is 0.7, rotor speed 153～170rpm, speed realizes with frequency control, can effectively control foreign material peeling strength (comprising except the marrow rate), working concentration 2～3% (mass percent) has hopper in the bottom of hydraulic shaker 4, hydraulic shaker 4 is by the motor-driven rotor, material forms vortex, by the friction in the material, and the tiny foreign material in the separation of material, as: sugarcane marrow, sand grains etc., heavy foreign material enter sundries collector B2 at centrifugal action in addition; 5. material is transported in the tubular type trash separator 6 by bagasse pump 5 subsequently, and bagasse pump 5 is transportation concentration 2～4% (mass percent), flow 330m
3/ h, lift 25m is without the blocking type pump.The specification of tubular type trash separator 6 is 0.35m
3Heavy foreign material are fallen into sundries collector B3 under gravity and centrifugal force double acting, tubular type trash separator 6 need not power, the last removal comes from heavy foreign material artificial or that equipment operation failure produces in the technique, so far, carry out the heavily assorted collection process of removing in the technique four times, separated foreign material of different nature; 6. material is after 6 removal of impurities of tubular type trash separator, and flow velocity slows down, then enters in the bagasse potcher 7, and the specification of bagasse potcher 7 is 4.5m
3, material rolling forward under impeller-type stirrer promotes is stirred, and forms the roller of mixture flow, and tiny foreign material are separated by rinsing and displacement washing water, and C presses the control program automatic-discharging by the automatic impurity device; 7. the chute 71 of material on being arranged on bagasse potcher 7 carries out in the high-efficiency helical Water Extraction Machinery 8 subsequently, the specification of high-efficiency helical Water Extraction Machinery 8 is φ 900 * 7000mm, the effective length of sieve plate is 7000mm, the material mass dryness fraction is brought up to 15～16% (mass percents) by 2～3% (mass percents) after these high-efficiency helical Water Extraction Machinery 8 dehydrations, the heavy foreign material of granule are fallen into sundries collector B4 under Action of Gravity Field, tiny foreign material are mingled in the washings and are separated, so far, carry out the tiny foreign material of secondary in the technique and removed collection process, separated foreign material of different nature; 8. last material enters in the dehydration screw for returning material 9, the specification of dehydration screw for returning material 9 is φ 800 * 8900mm, be provided with sieve plate and drainage feeder in wet stock walking zone, the material mass dryness fraction arrives 16～18% (mass percents) after assisting dehydration, satisfies the technological requirement of horizontal continuous cooking device systems.
Bagasse Material removal of impurities washings delivery technology requires: come recycle-water to enter circulating water chennel 10 by water treatment system, recycle-water turbidity≤800mg/l, be transported in drum-type de-burring machine 3 and the hydraulic shaker 4 by technological requirement by supply-water pump 12, the flow of supply-water pump 12 is 800m
3/ h, lift 16m is transported among sundries collector B1, sundries collector B2, sundries collector B3, sundries collector B4, the automatic impurity device C by technological requirement and in bagasse pump 5 inlet pipelines, the flow of flushing pump 11 is 150m by flushing pump 11
3/ h, lift 40m.
Annex 1: the main technical characteristics of above-described embodiment efficient impurity removal process for bagasse:
The title unit parameter
Process bagasse total amount BDt/h＞18
Material is always except marrow rate % 25～35 after purifying
The removal of impurities amount (comprises flush away and dissolving % 12～18
Thing)
Heavy foreign material discharge capacity % 3～5
Mass dryness fraction % 15～18 after the bagasse dehydration
Washings consumption t/ADMT≤8
Power consumption kW.h/ADMT≤50
Production time min 10～12
Annex 2: capital equipment installed capacity table in above-described embodiment efficient impurity removal process for bagasse:
Device name specification of equipment installed capacity (kW * number of devices)
Chain scraper conveyor 1 6,0m3 26 * 1
Rubber conveyer 2 B1200mm 15 * 1
Self-discharging type electric-magnetic iron remover A joins B1200mm adhesive tape (rectifier box)
Drum-type de-burring machine 3 8m3 15 * 1
Waterpower is washed assorted machine 4 6,0m3 200 * 1
Bagasse pump 5 450m3/h 75 * 2
Bagasse potcher 7 4.5m3 3 * 2
High-efficiency helical water-strainer 8 φ 900 * 7000mm 18.5 * 2
Dehydration screw for returning material 9 φ 800 * 8900mm 15 * 1
Supply-water pump 12 Q=800m3/h H=16m 55 * 1
Flushing pump 11 Q=150m3/h H=40m 18.5 * 1 (wherein 1 for subsequent use)
Add up to 537.5kW
Claims (3)
1. efficient impurity removal process for bagasse is characterized in that: the bagasse on the stockyard that comprises the steps: 1. will to wet is transported to band with machinery and measures on the chain scraper conveyor of materials device; 2. bagasse is removed the magnetic foreign material on chain scraper conveyor is transported to rubber conveyer with electric magnetic iron remover; 3. bagasse is transported to the drum-type de-burring machine by rubber conveyer, removes heavily assorted; 4. bagasse enters hydraulic shaker under 4～5% mass percent concentrations, separates the tiny foreign material that are mixed in the raw material, and removes heavily assorted; 5. bagasse is transported in the tubular type trash separator by the bagasse pump under 2～3% mass percent concentrations, again removes heavily assorted; 6. bagasse enters the bagasse potcher and carries out rinsing under low consistency conditions, and displacement washing water, removes tiny foreign material; 7. the bagasse after rinsing enters the dehydration of high-efficiency helical Water Extraction Machinery; 8. bagasse enters the dehydration screw for returning material at last, assist dehydration, make its mass dryness fraction reach the technological requirement of horizontal continuous cooking, the chain scraper conveyor of described step in 1. disposes the free water gathering-device, frequency control is selected in the horizontal transmission and the inclination discharging transmission that measure in the materials device, by output load is regulated, the electric magnetic iron remover of described step in 2. is to configure according to the rubber conveyer specification, and what adopt is without the magnetic carrying roller, self-discharging type electric-magnetic iron remover, the drum-type de-burring machine removal of impurities concentration of described step in 3. is 4～5% mass percents, at drum-type de-burring machine bottom band buffered water device, and the pulsed water inlet is adopted in water inlet, the hydraulic shaker removal of impurities concentration of described step in 4. is 2～3% mass percents, hydraulic shaker adopts impeller-type rotor, the polygon cell body, sieve diameter is 60～70mm, variable-frequency motor, the tubular type trash separator entrance side of described step in 5. has the passage that improves collecting effect by centrifugal force, be provided with the impeller-type stirrer that 3～4 reductors drive in the bagasse potcher of described step in 6., be provided with sieve plate below the agitator, sieve diameter is 4.8～5.5mm, the spacing of agitator and sieve plate is 10～15mm, bagasse potcher top is provided with the washings distributor, tapered portion cell body top in the bagasse potcher is provided with washings displacement outlet, the tapered portion outlet configuration automatic impurity device in the bagasse potcher.
2. described efficient impurity removal process for bagasse according to claim 1, it is characterized in that: the layout angle of the high-efficiency helical Water Extraction Machinery of described step in 7. is for tilting 20 °, the screen diameter is 4.5～4.8mm, and spiral cylindrical and sieve plate gap in the high-efficiency helical Water Extraction Machinery are≤5mm.
3. described efficient impurity removal process for bagasse according to claim 1 is characterized in that: the dehydration screw for returning material of described step in 8. is provided with sieve plate and drainage feeder, screen diameter 4.5～4.8mm in wet stock walking zone.
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| CN103061177B (en) * | 2011-10-18 | 2016-01-13 | 中国轻工业南宁设计工程有限公司 | The method and apparatus of the wet feed preparation before bagasse continuously cooking |
| CN104153231B (en) * | 2013-05-14 | 2016-03-23 | 孙建香 | Helical stir press master |
| CN106975652B (en) * | 2017-04-17 | 2020-01-10 | 北京建工环境修复股份有限公司 | Be used for prosthetic material loading of soil drip washing to make thick liquid and hierarchical recovery system |
| CN108824047A (en) * | 2018-06-07 | 2018-11-16 | 王建国 | A kind of teaching waste paper recycle device |
Citations (4)
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|---|---|---|---|---|
| EP1001076A1 (en) * | 1998-11-16 | 2000-05-17 | Wingard Technologies Limited | Process and plant for the production of paper pulp |
| CN1382866A (en) * | 2002-06-04 | 2002-12-04 | 华泰集团有限公司 | Efficient wet process for pretreating raw material |
| CN1715555A (en) * | 2004-07-01 | 2006-01-04 | 天津轻工业机械厂设计研究所 | Continuous boiling method and its device for semi chemical mechanical slurry of long bast fiber raw material |
| CN1834340A (en) * | 2005-03-18 | 2006-09-20 | 曾碚凯 | Separating method and system for waste paper and waste plastic mixture |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1987006506A1 (en) * | 1986-04-29 | 1987-11-05 | Beloit Corporation | High density separator |
| US20070210015A1 (en) * | 2004-04-16 | 2007-09-13 | Kadant Black Clawson Inc. | Dual Zone Wireless Pulp Washer |
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2009
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1001076A1 (en) * | 1998-11-16 | 2000-05-17 | Wingard Technologies Limited | Process and plant for the production of paper pulp |
| CN1382866A (en) * | 2002-06-04 | 2002-12-04 | 华泰集团有限公司 | Efficient wet process for pretreating raw material |
| CN1715555A (en) * | 2004-07-01 | 2006-01-04 | 天津轻工业机械厂设计研究所 | Continuous boiling method and its device for semi chemical mechanical slurry of long bast fiber raw material |
| CN1834340A (en) * | 2005-03-18 | 2006-09-20 | 曾碚凯 | Separating method and system for waste paper and waste plastic mixture |
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