CN203700850U - Cotton linter KOH stewing and pulping system - Google Patents
Cotton linter KOH stewing and pulping system Download PDFInfo
- Publication number
- CN203700850U CN203700850U CN201420062005.2U CN201420062005U CN203700850U CN 203700850 U CN203700850 U CN 203700850U CN 201420062005 U CN201420062005 U CN 201420062005U CN 203700850 U CN203700850 U CN 203700850U
- Authority
- CN
- China
- Prior art keywords
- machine
- koh
- input
- pipeline
- inlet
- Prior art date
- 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.)
- Expired - Lifetime
Links
- 229920000742 Cotton Polymers 0.000 title claims abstract description 32
- 238000004537 pulping Methods 0.000 title claims abstract description 23
- 239000003513 alkali Substances 0.000 claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 30
- 238000004061 bleaching Methods 0.000 claims abstract description 25
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 22
- 239000010865 sewage Substances 0.000 claims abstract description 12
- 238000007599 discharging Methods 0.000 claims description 33
- 238000005406 washing Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 16
- 238000010411 cooking Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000835 fiber Substances 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 9
- 238000001556 precipitation Methods 0.000 claims description 7
- 238000001704 evaporation Methods 0.000 claims description 6
- 239000012153 distilled water Substances 0.000 claims description 5
- 239000000284 extract Substances 0.000 claims description 5
- 230000007935 neutral effect Effects 0.000 claims description 4
- 238000004821 distillation Methods 0.000 claims description 3
- 239000000706 filtrate Substances 0.000 claims description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 abstract description 95
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract description 43
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 abstract description 13
- 239000011591 potassium Substances 0.000 abstract description 13
- 229910052700 potassium Inorganic materials 0.000 abstract description 13
- 239000003895 organic fertilizer Substances 0.000 abstract description 9
- 239000000126 substance Substances 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 abstract description 3
- 239000002253 acid Substances 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 abstract description 2
- 239000003337 fertilizer Substances 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000002002 slurry Substances 0.000 description 5
- 238000009835 boiling Methods 0.000 description 4
- 230000000740 bleeding effect Effects 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 241000196324 Embryophyta Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000011109 contamination Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000036541 health Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000007670 refining Methods 0.000 description 2
- 239000010802 sludge Substances 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 241000209202 Bromus secalinus Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 description 1
- 150000004056 anthraquinones Chemical class 0.000 description 1
- 239000003183 carcinogenic agent Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 235000021050 feed intake Nutrition 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000012633 leachable Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000000505 pernicious effect Effects 0.000 description 1
- 150000004965 peroxy acids Chemical class 0.000 description 1
- 229940072033 potash Drugs 0.000 description 1
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
- 235000015320 potassium carbonate Nutrition 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000009898 sodium hypochlorite bleaching Methods 0.000 description 1
- 235000011149 sulphuric acid Nutrition 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- XOSXWYQMOYSSKB-LDKJGXKFSA-L water blue Chemical compound CC1=CC(/C(\C(C=C2)=CC=C2NC(C=C2)=CC=C2S([O-])(=O)=O)=C(\C=C2)/C=C/C\2=N\C(C=C2)=CC=C2S([O-])(=O)=O)=CC(S(O)(=O)=O)=C1N.[Na+].[Na+] XOSXWYQMOYSSKB-LDKJGXKFSA-L 0.000 description 1
Abstract
The utility model discloses a cotton linter KOH stewing and pulping system which comprises a cotton slitter, an induced draft fan, an impurity removing machine, an air supplying machine, a cyclone separator, a screw press, a first screw conveyor, a spherical boiler, a second screw conveyor, an alkali returning slot and a KOH alkali dosing slot, as well as a squeezer, a multi-effect evaporator, a belt-type material cleaning machine, a first finely-pulping tank, a finely-pulping machine, a second finely-pulping tank, an EX desander, a third finely-pulping tank, a catalyzing and bleaching machine, a fourth finely-pulping tank, a pulp machine, a rotary screen filter, a second neutralization tank, a first sewage settling tank, a second sewage settling tank, and a frame type press dehydrator. According to the utility model, the cotton linter KOH stewing and pulping is carried out by adopting KOH instead of the traditional NaOH, and black liquor generated after stewing is converted into an organic fertilizer containing potassium after being subjected to acid neutralization, so that harmful substances are converted into beneficial substances, and wastes are transformed into treasures; black liquor is converted into the organic fertilizer containing potassium to be reused in a farmland, so that the yield and income are increased.
Description
Technical field
The utility model relates to a kind of cotton linter KOH pulping by cooking system.
Background technology
In recent decades, China's cotton linter all adopts NaOH slurrying, and main cause is that NaOH is produced by electrolysis NaCI, NaCI aboundresources.Price is low, only has 1/2～1/3 of KOH price.NaOH pulp-making of cotton linter carries out rotary spherical digester pulping by cooking under the condition of high temperature (172～175 DEG C), high pressure (0.75～0.8Mpa), high-alkalinity (40-50g/L).
Boiling temperature is high, and fiber peeling reaction Shaoxing opera is strong, and the organic matter leachable of fiber is many, and the color of black liquor is dark, and COD is high, and pulping yield is low.The black liquor severe contamination producing in production process environment and water source.The improvement of black liquor, cheats factory and brings heavy burden, can not up to standardly be forced to stop production, change the line of production because of black liquor treatment in many paper mills, purified cotton factory, chemical fibre factory.
Summary of the invention
The purpose of this utility model is to have proposed a kind of cotton linter KOH pulping by cooking system.
In order to realize above object, the technical scheme that the utility model adopts is:
Cotton linter KOH pulping by cooking system, comprises that opener, air-introduced machine, de-burring machine, pressure fan, cyclone separator, pressafiner, the first conveying worm, rotary spherical digester, the second conveying worm, time alkali groove and KOH join alkali groove;
Opener is sent to de-burring machine by air-introduced machine by cotton, and de-burring machine is sent to cyclone separator by pressure fan by cotton;
Cyclone separator is provided with for the hole of air-discharging with for adding the hole of KOH alkali lye;
The discharging opening of cyclone separator connects the inlet of pressafiner, the discharging opening of pressafiner connects the inlet of the first conveying worm, the discharging opening of the first conveying worm connects the inlet of rotary spherical digester, and the discharging opening of rotary spherical digester connects the inlet of the second conveying worm;
The alkali lye that described KOH joins alkali groove is input to cyclone separator by the KOH alkali lye hole on cyclone separator;
The alkali lye of described pressafiner output is input to cyclone separator again by returning alkali groove;
Also comprise squeezer and multi-effect evaporator;
The discharging opening of the second conveying worm connects the inlet of squeezer;
The concentrated black liquid that described squeezer extracts is input in multi-effect evaporator by the first neutralization pond;
Also comprise belt material washing machine, the first fine pulp tub, jordan, the second fine pulp tub, EX desander, the 3rd fine pulp tub, catalytically bleaching machine, the 4th fine pulp tub and pulp machine;
The discharging opening of squeezer connects the inlet of belt material washing machine, and the discharging opening of belt material washing machine is connected to the first fine pulp tub by pipeline, and the first fine pulp tub is connected to the inlet of jordan by pipeline;
The discharging opening of jordan is connected in the second fine pulp tub by pipeline, the second fine pulp tub is connected to the inlet of EX desander by pipeline, the discharging opening of EX desander is connected to the 3rd fine pulp tub by pipeline, the 3rd fine pulp tub is connected to the inlet of catalytically bleaching machine by pipeline, the discharging opening of catalytically bleaching machine is connected in the 4th fine pulp tub by pipeline, and the 4th fine pulp tub is connected to the inlet of pulp machine by pipeline;
Also comprise garden net filtration machine;
Fiber after the sewage of belt material washing machine filters by garden net filtration machine is input in belt material washing machine again;
Also comprise the second neutralization pond, the first detention tank, the second detention tank and frame squeezing dewatering machine;
The filtrate of described garden net filtration machine is input to the second neutralization pond by pipeline, the second neutralization pond is connected with the second detention tank with the first detention tank respectively by pipeline, and the mud of the first detention tank and the second detention tank precipitation is input in frame squeezing dewatering machine.
More preferably technical scheme, also comprises the first black liquor threshing ground and the second black liquor threshing ground; Be input to the first black liquor threshing ground and the second black liquor threshing ground the neutral night of the first neutralization pond.
More preferably technical scheme, the distilled water that the evaporating liquid of described multi-effect evaporator produces by distillation tank is input to belt material washing machine, catalytically bleaching machine and pulp machine;
A precipitation sewage part for the first detention tank and the second detention tank is input to belt material washing machine, and a part is input to KOH and joins alkali groove;
The plain boiled water of catalytically bleaching machine and pulp machine output is input to the first fine pulp tub, the second fine pulp tub, belt material washing machine and KOH and joins alkali groove.
Compared with prior art, the utility model has the advantage of: adopt KOH to replace traditional NaOH and carry out cotton linter pulping by cooking, black liquor that boiling produces, through in peracid and after be converted into containing potassium organic fertilizer, change evil for beneficial, turn waste into wealth.Allow black liquor become containing potassium organic fertilizer, come back to farmland, increasing both production and income.
The black liquor of cotton linter KOH boiling is converted into containing potassium organic fertilizer and sells, and income will be higher than KOH buying price, has solved a difficult problem of administering black liquor.For many years, China farmland seriously lacks potash fertilizer, needs every year in a large number from Canada and Russian import.Black liquor being transformed into containing potassium organic fertilizer, being easily absorbed by plants, can significantly improve fertilizer efficiency, play benign ecological cycles effect, is the good method that solves the pollution control of cotton pulp factory.
Brief description of the drawings
Fig. 1 is the block diagram of the utility model cotton linter KOH pulping by cooking system.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Cotton linter KOH pulping by cooking system, comprises that opener, air-introduced machine, de-burring machine, pressure fan, cyclone separator, pressafiner, the first conveying worm, rotary spherical digester, the second conveying worm, time alkali groove and KOH join alkali groove; Opener is sent to de-burring machine by air-introduced machine by cotton, and de-burring machine is sent to cyclone separator by pressure fan by cotton; Cyclone separator is provided with for the hole of air-discharging with for adding the hole of KOH alkali lye; The discharging opening of cyclone separator connects the inlet of pressafiner, the discharging opening of pressafiner connects the inlet of the first conveying worm, the discharging opening of the first conveying worm connects the inlet of rotary spherical digester, and the discharging opening of rotary spherical digester connects the inlet of the second conveying worm;
The alkali lye that described KOH joins alkali groove is input to cyclone separator by the KOH alkali lye hole on cyclone separator; The alkali lye of described pressafiner output is input to cyclone separator again by returning alkali groove;
Also comprise squeezer and multi-effect evaporator;
The discharging opening of the second conveying worm connects the inlet of squeezer;
The concentrated black liquid that described squeezer extracts is input in multi-effect evaporator by the first neutralization pond;
Also comprise belt material washing machine, the first fine pulp tub, jordan, the second fine pulp tub, EX desander, the 3rd fine pulp tub, catalytically bleaching machine, the 4th fine pulp tub and pulp machine;
The discharging opening of squeezer connects the inlet of belt material washing machine, and the discharging opening of belt material washing machine is connected to the first fine pulp tub by pipeline, and the first fine pulp tub is connected to the inlet of jordan by pipeline;
The discharging opening of jordan is connected in the second fine pulp tub by pipeline, the second fine pulp tub is connected to the inlet of EX desander by pipeline, the discharging opening of EX desander is connected to the 3rd fine pulp tub by pipeline, the 3rd fine pulp tub is connected to the inlet of catalytically bleaching machine by pipeline, the discharging opening of catalytically bleaching machine is connected in the 4th fine pulp tub by pipeline, and the 4th fine pulp tub is connected to the inlet of pulp machine by pipeline;
Also comprise garden net filtration machine; Fiber after the sewage of belt material washing machine filters by garden net filtration machine is input in belt material washing machine again;
Also comprise the second neutralization pond, the first detention tank, the second detention tank and frame squeezing dewatering machine;
The filtrate of described garden net filtration machine is input to the second neutralization pond by pipeline, the second neutralization pond is connected with the second detention tank with the first detention tank respectively by pipeline, and the mud of the first detention tank and the second detention tank precipitation is input in frame squeezing dewatering machine.
Also comprise the first black liquor threshing ground and the second black liquor threshing ground; Be input to the first black liquor threshing ground and the second black liquor threshing ground the neutral night of the first neutralization pond.
The distilled water that the evaporating liquid of described multi-effect evaporator produces by distillation tank is input to belt material washing machine, catalytically bleaching machine and pulp machine;
A precipitation sewage part for the first detention tank and the second detention tank is input to belt material washing machine, and a part is input to KOH and joins alkali groove;
The plain boiled water of catalytically bleaching machine and pulp machine output is input to the first fine pulp tub, the second fine pulp tub, belt material washing machine and KOH and joins alkali groove.
In Fig. 1, KOH pulping process flow and NaOH slurrying pulping process flow are similar, main difference point is that NaOH slurrying black liquor of pulp making intractability is large, will be through flocculation, the operation processing such as aerobic, anaerobic biological, decolouring, COD wants < 100mg/L to discharge: adopt sodium hypochlorite bleaching, can produce chlorine and carcinogenic substance dioxin gas, dirty seven environment and affect health of human body.
The black liquor producing in KOH slurrying, only needs, with after acid neutralization, to be converted into containing potassium organic fertilizer, gets back to farmland, increasing both production and income.Bleaching adopts hydrogen peroxide catalysis cleaning and bleaching technique, does not produce pernicious gas, is of value to health of human body, free from environmental pollution.
KOH pulping process is applicable to chemical fiber cotton pulp, coin slurry, the cotton pulps such as purified cotton, existing taking chemical fiber pulp as example brief introduction as follows:
1, technological process brief introduction:
(1) select materials opener, removal of impurities:
Cotton linter can be removed the impurity such as cotton seed hulls, sandstone dust of 5-8% after opener, mechanical removal of impurities.
(2) preparation of KOH alkali lye: taking 25 cubic metres of rotary spherical digesters as example
Oven-dry weight feeds intake: 2800Kg alkali charge: 9% liquor ratio: 1:3.6 alkali is dense: 25.7 ± 1g/l anthraquinone consumption: 0.05%YY-02 bleeding agent: 0.2% joins the practical 10.08m3 of alkali number: 11m3() alkali liquid temperature >=90 DEG C
(3) dress pot:
1) drive pressafiner, the first conveying worm, return alkali groove pump
2) drive pressure fan, de-burring machine, air-introduced machine, opener;
3) open KOH and join feed intake dress pot of alkali groove alkali pump, in the dress pot that feeds intake, will make alkali lye infiltration evenly as far as possible, when cotton linter goal, taking without raw suede (not being dipped into the velveteen of alkali lye) as good.
4) heat up:
Intensification 80～120min, carries out little steam bleeding 2 times in temperature-rise period, get rid of false pressure in ball.
5) insulation:
Holding temperature: 165～172 DEG C, temperature retention time: 90～190min, insulation finishes to carry out large steam bleeding (Steam Recovery), kicks off to cover batch turning.
6) boiling slurry is delivered to squeezer through the second conveying worm, extracts concentrated black liquid.
2, containing the technological process of potassium organic fertilizer:
(1) concentrated black liquid that squeezer extracts, to the first neutralization pond, adds H2SO4, is transferred to PH=7 ± 0.5, and neutral black liquor is delivered to multiple-effect evaporation and carried out evaporation and concentration, is converted into selling containing potassium organic fertilizer of 20% left and right outward.
(2) under the condition that has black liquor threshing ground, (be similar to saltern), the black liquor after neutralization is in threshing ground evaporation and concentration, and the potassium fertilizer barrelling that contains after concentrating being sold outward.
(3) distilled water: the distilled water of multi-effect evaporator is used for joining alkali, refining, bleaching, papermaking.
3, light sewage disposal:
Belt material washing machine light sewage out, deliver to garden net filtration machine, collect the staple fibre running off, sewage after filter is delivered to the second neutralization pond, and the water after neutralization flows into respectively the first and second detention tanks, light water after precipitation, be used for joining alkali, wash material, in sewage, contain 1-3% containing potassium fertilizer, can and irrigate for greening, the organic sludge of sedimentation basin is sold outward and is done fertilizer or fuel.
4, catalytically bleaching:
Slurry after belt material washing machine is clean, prescinds and a small amount of brooming through jordan, then good slurry after desanding, delivers to bleaching machine and carries out hydrogen peroxide catalytically bleaching, whiteness >=80%ISO.The white slurry of bleaching after overpickling, washing delivered to pulp machine and copied into pulp paper and sell outward.The plain boiled water of bleaching, papermaking, for washing material, join alkali, refining, desanding.Plain boiled water is fully used, and significantly reduces running water consumption, water-saving and synergistic.
In a word, KOH pulp-making of cotton linter is taking pulp mill as main, and black liquor treatment, can be contracted out to fertilizer plant containing potassium fertilizer, makes in production and sales one package service, and hydrogen peroxide catalytically bleaching is contracted out to specialized company, contributes to improve the quality of products.Project contract undertaken abroad can fill performance fund and technical advantage, and benefits-sharing is created brilliance.Under the front topic of the environmental protection first element, we want Kingsoft Yin Shan, the clear water blue sky of Geng Yao motherland, and potassium hydroxide slurrying, black liquor is turned waste into wealth, and returns farmland, increasing both production and income: plain boiled water is fully used, a large amount of fresh-water-savings.Irrigate filling containing water in the organic light color of potassium for greening and farmland.Organic sludge does fertilizer or fuel.Potassium hydroxide slurrying has fundamentally solved black liquor severe contamination problem, and slurrying industry will obtain new development.
Claims (3)
1. cotton linter KOH pulping by cooking system, is characterized in that: comprise that opener, air-introduced machine, de-burring machine, pressure fan, cyclone separator, pressafiner, the first conveying worm, rotary spherical digester, the second conveying worm, time alkali groove and KOH join alkali groove;
Opener is sent to de-burring machine by air-introduced machine by cotton, and de-burring machine is sent to cyclone separator by pressure fan by cotton;
Cyclone separator is provided with for the hole of air-discharging with for adding the hole of KOH alkali lye;
The discharging opening of cyclone separator connects the inlet of pressafiner, the discharging opening of pressafiner connects the inlet of the first conveying worm, the discharging opening of the first conveying worm connects the inlet of rotary spherical digester, and the discharging opening of rotary spherical digester connects the inlet of the second conveying worm;
The alkali lye that described KOH joins alkali groove is input to cyclone separator by the KOH alkali lye hole on cyclone separator;
The alkali lye of described pressafiner output is input to cyclone separator again by returning alkali groove;
Also comprise squeezer and multi-effect evaporator;
The discharging opening of the second conveying worm connects the inlet of squeezer;
The concentrated black liquid that described squeezer extracts is input in multi-effect evaporator by the first neutralization pond;
Also comprise belt material washing machine, the first fine pulp tub, jordan, the second fine pulp tub, EX desander, the 3rd fine pulp tub, catalytically bleaching machine, the 4th fine pulp tub and pulp machine;
The discharging opening of squeezer connects the inlet of belt material washing machine, and the discharging opening of belt material washing machine is connected to the first fine pulp tub by pipeline, and the first fine pulp tub is connected to the inlet of jordan by pipeline;
The discharging opening of jordan is connected in the second fine pulp tub by pipeline, the second fine pulp tub is connected to the inlet of EX desander by pipeline, the discharging opening of EX desander is connected to the 3rd fine pulp tub by pipeline, the 3rd fine pulp tub is connected to the inlet of catalytically bleaching machine by pipeline, the discharging opening of catalytically bleaching machine is connected in the 4th fine pulp tub by pipeline, and the 4th fine pulp tub is connected to the inlet of pulp machine by pipeline;
Also comprise garden net filtration machine;
Fiber after the sewage of belt material washing machine filters by garden net filtration machine is input in belt material washing machine again;
Also comprise the second neutralization pond, the first detention tank, the second detention tank and frame squeezing dewatering machine;
The filtrate of described garden net filtration machine is input to the second neutralization pond by pipeline, the second neutralization pond is connected with the second detention tank with the first detention tank respectively by pipeline, and the mud of the first detention tank and the second detention tank precipitation is input in frame squeezing dewatering machine.
2. cotton linter KOH pulping by cooking system according to claim 1, is characterized in that: also comprise the first black liquor threshing ground and the second black liquor threshing ground; Be input to the first black liquor threshing ground and the second black liquor threshing ground the neutral night of the first neutralization pond.
3. cotton linter KOH pulping by cooking system according to claim 1 and 2, is characterized in that: the distilled water that the evaporating liquid of described multi-effect evaporator produces by distillation tank is input to belt material washing machine, catalytically bleaching machine and pulp machine;
A precipitation sewage part for the first detention tank and the second detention tank is input to belt material washing machine, and a part is input to KOH and joins alkali groove;
The plain boiled water of catalytically bleaching machine and pulp machine output is input to the first fine pulp tub, the second fine pulp tub, belt material washing machine and KOH and joins alkali groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062005.2U CN203700850U (en) | 2014-02-11 | 2014-02-11 | Cotton linter KOH stewing and pulping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420062005.2U CN203700850U (en) | 2014-02-11 | 2014-02-11 | Cotton linter KOH stewing and pulping system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203700850U true CN203700850U (en) | 2014-07-09 |
Family
ID=51051309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420062005.2U Expired - Lifetime CN203700850U (en) | 2014-02-11 | 2014-02-11 | Cotton linter KOH stewing and pulping system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203700850U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381743A (en) * | 2016-11-19 | 2017-02-08 | 王芹 | Fiber refining process |
| CN108425263A (en) * | 2018-05-14 | 2018-08-21 | 薛润林 | A kind of cotton linter alkali-compressed air pulping process and device |
-
2014
- 2014-02-11 CN CN201420062005.2U patent/CN203700850U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106381743A (en) * | 2016-11-19 | 2017-02-08 | 王芹 | Fiber refining process |
| CN106381743B (en) * | 2016-11-19 | 2018-02-16 | 王芹 | A kind of fiber process for refining |
| CN108425263A (en) * | 2018-05-14 | 2018-08-21 | 薛润林 | A kind of cotton linter alkali-compressed air pulping process and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105780568B (en) | Biological enzyme bating delignification combines mechanical legal system sizing process twice | |
| CA2792315C (en) | Circular utilization method in pulping and papermaking processes with straw | |
| CN102985610B (en) | Slurry processing method and the system of the cold alkali extraction of lower use is re-used at alkaline filtrate | |
| CN102817262B (en) | High-yield environment-friendly papermaking and pulping process method and system | |
| Salameh et al. | Energy saving in the process of bioethanol production from renewable paper mill sludge | |
| CN105672012B (en) | The method for extracting hemicellulose, cellulose and lignin simultaneously from biomass material | |
| CN101314924B (en) | Pulping paper-making process with zero discharge of sewage water | |
| CN102229630B (en) | Mechanical continuous extraction process for stevioside and continuous extraction unit | |
| CN105714590A (en) | Method for separating lignin and hemicellulose from papermaking black liquor and recycling alkali liquor | |
| CN103523945A (en) | Clean production method of plant fiber product | |
| CN102363930A (en) | Method for preparing active carbon during alkali recovery of papermaking black liquor | |
| CN101319471A (en) | Environment friendly energy-saving circulation type non-pollution pulping process and its system apparatus | |
| CN103510418A (en) | New process for black liquor free chemical preparation of pulp | |
| CN103938476B (en) | A kind of cotton linter soaks into pulping by cooking new method in advance | |
| CN1948611A (en) | Self coupled oxidation cleaning pulp making method | |
| CN102877350A (en) | Black liquor treatment method by lignin extraction and alkali recovery | |
| CN203700850U (en) | Cotton linter KOH stewing and pulping system | |
| CN101139804A (en) | Method for preparing environment-friendly paper pulp by utilizing biological enzyme and production technique thereof | |
| CN103343468A (en) | Clean production technology based on steam explosion slurrying | |
| CN110079444A (en) | A kind of Novel kitchen garbage anaerobic fermentation processing unit and method | |
| CN105293812A (en) | Sewage treatment method suitable for seaweed processing industry | |
| CN101245565B (en) | Zero discharge clean method for producing corn cane man-made fiber pulp, xylitol | |
| CN107151933B (en) | Integrated implementation-based preparation method of low-salt-solubility clean paper pulp | |
| CN206828868U (en) | A kind of combination unit for separating cellulose, lignin and carbohydrate | |
| CN202829740U (en) | Paper machine white water recycling and disposal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HEFEI YINSHAN COTTON + LINEN CO., LTD. Free format text: FORMER OWNER: XUE RUNLIN Effective date: 20140910 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 210042 NANJING, JIANGSU PROVINCE TO: 230011 HEFEI, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140910 Address after: 230011 No. 658 Changjiang East Road, Anhui, Hefei Patentee after: HEFEI YINSHAN COTTON & LINEN CO.,LTD. Address before: Longpan road Xuanwu District of Nanjing city in Jiangsu province 210042 No. 149 Building 2 Room 102 in Lake habitat Patentee before: Xue Runlin |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cotton linter KOH stewing and pulping system Effective date of registration: 20181019 Granted publication date: 20140709 Pledgee: Hefei Hengfeng Real Estate Development Co.,Ltd. Pledgor: HEFEI YINSHAN COTTON & LINEN CO.,LTD. Registration number: 2018340000567 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20190227 Granted publication date: 20140709 Pledgee: Hefei Hengfeng Real Estate Development Co.,Ltd. Pledgor: HEFEI YINSHAN COTTON & LINEN CO.,LTD. Registration number: 2018340000567 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cotton linter KOH stewing and pulping system Effective date of registration: 20190329 Granted publication date: 20140709 Pledgee: Hefei Hengfeng Real Estate Development Co.,Ltd. Pledgor: HEFEI YINSHAN COTTON & LINEN CO.,LTD. Registration number: 2019340000164 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220802 Granted publication date: 20140709 Pledgee: Hefei Hengfeng Real Estate Development Co.,Ltd. Pledgor: HEFEI YINSHAN COTTON & LINEN CO.,LTD. Registration number: 2019340000164 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |