CN204803671U - Popped device of anhydrous slurrying - Google Patents
Popped device of anhydrous slurrying Download PDFInfo
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- CN204803671U CN204803671U CN201520036652.0U CN201520036652U CN204803671U CN 204803671 U CN204803671 U CN 204803671U CN 201520036652 U CN201520036652 U CN 201520036652U CN 204803671 U CN204803671 U CN 204803671U
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- slurrying
- anhydrous
- expanding apparatus
- thread rolling
- popped
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Abstract
The utility model relates to a popped device of anhydrous slurrying adopts mode that oxygen alkali is popped to obtain one kind and does not have a clean pulping process of energy -conserving water conservation that waste water, waste gas, waste residue discharged, and the method of the popped slurrying of oxygen alkali is that weak mechanical treatment's mode is taked to the rear end, has guaranteed fibre strength, has reduced the energy consumption, has realized high yield slurrying through oxygen alkali and the popped technique defiber that combines together, increase by one set of popped device after the thread rolling machine in current preparation facilities, including the developing machine, the thread rolling machine, the spiral hydroextractor, reaction storehouse and high enriched fiberizer, the raw materials is sent into the developing machine through the belt and is washd, raw materials process from the developing machine comes out is dewatered, the thread rolling, the reaction, it becomes paper pulp to grind the thick liquid post -treatment, be equipped with popped device between thread rolling machine and the reaction storehouse, this bulking device is impressed thick thick liquids and is makeed thick liquids spurt in the short time in the sealed tank body, carry again to the continuation reaction of popped reaction storehouse, make fibre quickly separating through foretell improvement, it is easy to tear, the production efficiency is raised.
Description
Technical field
The utility model relates to a kind of expanded mode of oxonium base that adopts and obtains a kind of energy-saving and water-saving cleaning pulping device without waste water,waste gas and industrial residue discharge, in particular to the anhydrous slurrying expanding apparatus of one.
Background technology
Slurrying is exactly originally isolated fiber by string and obtained the process of paper pulp.Pulping process is mainly divided into Mechanical Method, chemical method and chemical mechanical pulping, respectively obtained mechanical pulp, chemical pulp and chemimechanical pulp.In prior art, cause sub-wire deficiency because stressed size is difficult to control or destroys fiber; And strong mechanical friction effect can make a large amount of mechanical energy directly become heat energy and make power consumption greatly improve; Secondly huge axial force makes the cost of equipment high.
Such as publication number is the Chinese invention patent of CN101358434A, it discloses a kind of mechanical pulp-making method and mechanical pulping apparatus, utilize the working head of high-speed motion mutually to collide to give the great linear velocity of plant fiber material or directly collide with work tooth, the string of collision rift absorbed energy and sub-wire originally, the endergonic size of plant fiber material is directly proportional to the quality of the original component of single independence, to square being directly proportional of the linear velocity of this material component.Along with the decline of single component quality, it is constant or improve energy value gradually that linear velocity improves to maintain energy gradually.Raw material in this invention directly carries out sub-wire through work tooth collision rift, and the poor effect of its sub-wire causes bad impact to the flow process of postorder, finally makes the efficiency of slurrying greatly reduce.
Such as publication number is the Chinese invention patent of CN102677530A again, it discloses a kind of low-carbon (LC) papermaking process, low-carbon (LC) papermaking comprehensive utilization agricultural crop straw is produced sub-high pressure steam-electric power as energy source and power, is separated slurry and pollutant black liquor and bleaching effluent as raw material by slurrying, to be manufactured paper with pulp out various paper by slurry, prepare sodium lignin sulfonate by black liquor, prepare anhydrous calcium chloride by chlorine bleach sewage.This invention realizes low-carbon (LC) papermaking Ecological Industrial, recycling industries and clean production zero-emission by stalk comprehensive utilization.Because the power of this invention is from the energy provided after straw burning, a large amount of sulfur dioxide gas will certainly be given off during straw burning, to environment.
Such as Authorization Notice No. is the Chinese utility model patent of CN203790891A again, it discloses a kind of pulping device for papermaking, comprise charging aperture, material inlet valve, flowmeter, circulation pipe, motor, slurrying pond, agitator, radome fairing, the equipment such as conveying worm, wherein slurrying pond is main element, the upper left side in slurrying pond is connected with circulation pipe, the top in slurrying pond is flexibly connected and is provided with motor, motor is alternating current generator, driving shaft is disposed with agitator from top to bottom, radome fairing, the bottom in slurrying pond is inwardly provided with air sparger, the bottom in slurrying pond is provided with communicating pipe to side, the other end of communicating pipe is connected with holding vessel, overall structure is simple, easy for operation.This pulping device only adopts agitator to stir material, and can not ensure that material can by abundant sub-wire, its production efficiency is lower.
Utility model content
Based on the problems referred to above, the utility model provides a kind of anhydrous slurrying expanding apparatus, is intended to solve fiber separation in prior art comparatively slow, tears and be not easy, the problem that production efficiency is lower.
According to the anhydrous slurrying expanding apparatus of one of the present utility model, it comprises developing machine, thread rolling machine, spiral dewater, reaction warehouse and high-density paste mill, raw material is sent into developing machine through belt and is cleaned, become paper pulp from developing machine raw material out through dehydration, thread rolling, reaction, defibrination aft-loaded airfoil, between described thread rolling machine and reaction warehouse, be provided with expanding apparatus.The a set of expanding apparatus increased after thread rolling machine in existing slurrying flow process in this anhydrous slurrying expanding apparatus, expansion mechanism rubs with the hands thick in slurry indentation sealing tank body, then in tank body, oxygen and steam is passed into, when reaching certain pressure, make original internal organizational structure by Quick Oxidation, when reaching the temperature of setting, pressure and time, slurry spurts at short notice, become fluffy softness, be transported to expanded reaction warehouse again and continue reaction, slurry after fluffy softness is oxidized, subsequent reactions speed improves greatly, whole process DCS control system operation compared with prior art.Drawn by great many of experiments: the beneficial effects of the utility model shorten in the reaction time making slurry in reaction warehouse, and the reaction time is originally 60 minutes, and the present reaction time is 50 minutes, and yield in unit time improves 15%.
Preferably, described expanding apparatus comprises supporting leg and cylindrical shell, is uniformly distributed multiple oxygen spray pipe and steam jet in cylindrical shell.
In above-mentioned either a program preferably, described thread rolling machine is twin-screw thread rolling machine.
In above-mentioned either a program preferably, described thread rolling machine comprises feed hopper and casing, is provided with combination thread rolling helical axis in casing.
In above-mentioned either a program preferably, described combination thread rolling helical axis is two parallel and intermeshing helical axis, is driven after two helical axis are combined by shaft coupling by decelerator.
In above-mentioned either a program preferably, described reaction warehouse comprises support, conveyer belt and gas hood.
In above-mentioned either a program preferably, material toggling roller and distribute roll is provided with in described gas hood.
In above-mentioned either a program preferably, be provided with spiral between described developing machine and thread rolling machine and steam storehouse in advance, steam in advance in storehouse carry out boiling from being transported to spiral after developing machine lustration raw material is out dewatered by inclined helix dehydrator.
In above-mentioned either a program preferably, the slurry of described high-density paste mill is transported in hydrabrusher by discharging screw machine and carries out pulping.
In above-mentioned either a program preferably, described hydrabrusher is connected by pipeline with middle-density refiner, and middle-density refiner slurries are out admitted in steady pulp grinder to be stablized.
In above-mentioned either a program preferably, described steady pulp grinder is connected with Double-screen filter press by pipeline.
In above-mentioned either a program preferably, described Double-screen filter press comprises head box, frame and rack-mounted multiple roller composition, and roller is provided with upper filter screen and lower filter screen.
Accompanying drawing explanation
To describe according to preferred but nonrestrictive embodiment of the present utility model now, these and other features of the present utility model, aspect and advantage will become apparent when reading following detailed description in detail with reference to accompanying drawing, wherein:
Fig. 1 is the flow chart according to anhydrous slurrying expanding apparatus of the present utility model.
Fig. 2 is the structure diagram of flow chart shown in Fig. 1.
Fig. 3 is the process chart of expanding apparatus in Fig. 2.
Fig. 4 is the front view of expanding apparatus in Fig. 2.
Fig. 5 is the top view of expanding apparatus in Fig. 2.
Fig. 6 is the control sketch of expanding apparatus in Fig. 2.
Fig. 7 is the overall structure figure of thread rolling machine in Fig. 2.
Fig. 8 is A-A direction sectional view in Fig. 7.
Fig. 9 is B-B direction sectional view in Fig. 7.
Figure 10 is the overall structure schematic diagram of reaction warehouse in Fig. 2.
Detailed description of the invention
The following description is only exemplary and be not to limit the disclosure, application or purposes in essence.
As shown in Figure 1 and Figure 2, anhydrous slurrying expanding apparatus of the present utility model, it comprises developing machine 2, thread rolling machine 10, spiral dewater 3, reaction warehouse 30 and high-density paste mill 6, raw material is sent into developing machine 2 through belt 1 and is cleaned, become paper pulp from developing machine 2 raw material out through dehydration, thread rolling, reaction, defibrination aft-loaded airfoil, between described thread rolling machine 10 and reaction warehouse 30, be provided with expanding apparatus 20.The a set of expanding apparatus increased after thread rolling machine in existing slurrying flow process in this anhydrous slurrying expanding apparatus, expansion mechanism rubs with the hands thick in slurry indentation sealing tank body, then in tank body, oxygen and steam is passed into, when reaching certain pressure, make original internal organizational structure by Quick Oxidation, when reaching the temperature of setting, pressure and time, slurry spurts at short notice, become fluffy softness, be transported to expanded reaction warehouse again and continue reaction, slurry after fluffy softness is oxidized, subsequent reactions speed improves greatly, whole process DCS control system operation compared with prior art.Drawn by great many of experiments: the beneficial effects of the utility model shorten in the reaction time making slurry in reaction warehouse, and the reaction time is originally 60 minutes, and the present reaction time is 50 minutes, and yield in unit time improves 15%.
In the present embodiment, be provided with spiral between described developing machine 2 and thread rolling machine 10 and steam storehouse 4 in advance, steam in advance in storehouse 4 carry out boiling from being transported to spiral after developing machine 2 lustration raw material is out dewatered by inclined helix dehydrator 3.
In the present embodiment, the slurry of described high-density paste mill 6 is transported in hydrabrusher 7 by discharging screw machine 5 and carries out pulping.
In the present embodiment, described hydrabrusher 7 is connected by pipeline with middle-density refiner 6, and middle-density refiner 6 slurries are out admitted in steady pulp grinder 9 to be stablized.
In the present embodiment, described steady pulp grinder 9 is connected with Double-screen filter press 40 by pipeline.
In the present embodiment, described Double-screen filter press 40 comprises head box, frame and rack-mounted multiple roller composition, and roller is provided with upper filter screen and lower filter screen.
As shown in Figure 3, raw material through thread rolling machine 10 is transported in expanding apparatus 20 by conveying worm 5, material after thread rolling is forced feeding screw 51 and is sent in the tank body of expanding apparatus 20 after being delivered to the top of expanding apparatus 20 by conveying worm 5, this tank body transports oxygen from outside and steam carries out expanded to the material in expanding apparatus 20.Material after expanding apparatus 20 is fluffy is fallen in charging conduit 211, is next sent in reaction warehouse 30 by the conveying worm 5 tilted and reacts.
As shown in Figure 4, in the present embodiment, described expanding apparatus 20 comprises supporting leg 21 and cylindrical shell 22, is uniformly distributed multiple oxygen spray pipe 23 and steam jet 24 in cylindrical shell 22.
Supporting leg 21 is connected as this apparatus main body with tank body 22, and oxygen spray pipe 23 is communicated with annular steam inlet pipe with each three outsides stretching into cylindrical shell 22 of steam jet 24.Charging aperture a is established at the top of cylindrical shell 22, and bottom is provided with discharging opening b, and the lower end of discharging opening b is provided with blow-off valve 27, and the fluffy materials after expanded is spurted charging conduit 21 by blow-off valve 27; Temperature sensor 26 and pressure sensor 28 barrel of cylindrical shell 22 be equipped with, for monitoring the temperature and pressure in cylindrical shell 22.
Next consult shown in Fig. 5, outside oxygen and steam are input in cylindrical shell 22 respectively by the oxygen inlet c of oxygen spray pipe 23, the steam inlet d of steam jet 24, carry out expanded to the material in cylindrical shell 22.
As shown in Figure 6, pressure sensor 28 is provided with oxygen automatic valve 210, and temperature sensor 26 is provided with steam automatic valve 29, and the bottom of cylindrical shell 22 is provided with blow-off valve 27.
Force feeding screw 51 the slurry transferring after first thread rolling in expanding apparatus 20, steam automatic valve 29 and oxygen automatic valve 210 automatic valve are opened automatically simultaneously, oxygen from oxygen generating station inputs oxygen from three direction preliminary treatment tanks of oxygen inlet C, from steam delivering vapor from three direction preliminary treatment tanks of steam inlet d of steam pipe system, oxygen spray pipe 23 and steam jet 24 are drilled with some apertures and gas are fully sprayed enter within slurry.By temperature adjusting in preliminary treatment tank at 190-210 DEG C, pressure controlling is at 1.9-2.1MPa, and heat-insulation pressure keeping 30-200 second, liquid and oxygen and material are infiltrated at short notice, and the partial interior institutional framework of raw material is by Quick Oxidation.The operation of whole preprocessing process DCS control system: when reach the temperature of setting, pressure and the time time, oxygen automatic valve 210 and steam automatic valve 29 can be closed automatically, blow-off valve 27 is opened automatically, slurry is thanked from discharging opening b spray, then sent in the expanded reaction warehouse of anhydrous system by conveying worm 5 and react, by temperature sensor 26 and pressure sensor 28 signal accessed in DCS system in whole process and carry out Automated condtrol.
Next consult shown in Fig. 7-Fig. 9, enter through pretreated slurry and rub pulp grinder feed hopper 15 with the hands, by pressure feeding screw 27, slurry is sent in thread rolling machine 10, slurry is through the mechanism of thread rolling combined helical 18, torn, sub-wire and brooming, then deliver in expanding apparatus 20 through discharging opening 112.Thread rolling machine 10 is arranged on pedestal 110, and the power resources of this thread rolling machine 10 are in high-voltage motor 11, and the end of high-voltage motor is connected with decelerator 13 by shaft coupling 12, and the voltage after slowing down drives thread rolling combined helical axle 18 to rotate.Decelerator 13 is connected with combination thread rolling helical axis 18 by combination thread rolling screw coupling 113, and is provided with bearing between thread rolling screw coupling 113 and combination thread rolling helical axis 18, and this bearing again bearing block 14 supports.As shown in Figure 8, support 110 is also provided with dosing pump 111, in thread rolling machine 10, adds medicament by pipeline.
Force feeding screw device 6 to be combine thread rolling helical axis 18 by reductor motor through chain-driving to rotate, force to promote slurry and enter in thread rolling machine; Combination thread rolling helical axis 18 is two parallel and intermeshing helical axis, and they are driven by decelerator 13 and shaft coupling 113, synchronous rotary.Combination thread rolling helical axis 18 there are two kinds of spirals: a kind of is extrusion spiral, and another kind is reverse thread rolling spiral, changes its pitch, will change the Quality and yield of slurry.
Casing 9 adopts split type structure, and housing is equipped with slurry and imports and exports and liquid, steam injection mouth, liquid is injected in casing by dosing pump 111.
As shown in Figure 9, force the corresponding relation of feeding screw 27, combination thread rolling helical axis 8 and casing 19 parts, dosing pump 11 is to injection in casing.Combination thread rolling helical axis 18 is provided with three grades of extrusion spirals and three grades of reverse thread rolling spirals, and they are respectively in the drawings: one-level extrusion spiral 117, secondary extrusion spiral 118 and three grades of extrusion spirals 119; One-level thread rolling spiral 116, secondary thread rolling spiral 115 and three grades of thread rolling spirals 116.A1, a2, a3 represent extrusion spiral length at different levels respectively; B1, b2, b3 represent reverse thread rolling helix length at different levels respectively; The pitch that a represents the pitch of extrusion spiral, b represents reverse thread rolling spiral, by changing the numerical value of a and b, controls quality and the efficiency of thread rolling.The pitch of every grade is different in addition, and when the pitch of extrusion spiral is strengthened 5mm, slurry-outlet velocity just improves 10%, the thread rolling this is because the slurry after expanding treatment is easily decomposed.
Finally consult shown in Figure 10, in the present embodiment, described reaction warehouse 30 comprises support 34, conveyer belt 313 and gas hood 312, slurry sends into the charging aperture of reaction warehouse 30 by conveyer belt 313, by distribute roll 314, slurry is evenly distributed on conveyer belt 313, drive roll is driven by motor reducer, thus drives conveyer belt 313 to move with the speed of 0.2-0.3m/min, slurry keeps uniform temperature and time in the gas hood 312 of sealing, fully reacts with liquid.Complete when slurry runs to the tail end reaction time, by the material toggling roller 311 in exit being arranged on reaction warehouse 30 slurry dialled and fall apart and fall in discharging spiral. be sent to next procedure again.
Compared with prior art, the beneficial effect of this reaction warehouse is: the reaction time of slurry in reaction warehouse 30 is shortened, and slurry translational speed can add near 0.24m/min, and the reaction time is originally 60 minutes, and the present reaction time is 50 minutes.Yield in unit time improves 15%, and this effect mainly has benefited from the function of preceding working procedure expanding apparatus certainly, but the effect that this reaction warehouse plays is indispensable.
In anhydrous slurrying expanding apparatus of the present utility model, the expanded pulping process of oxonium base of expanding apparatus has following features:
1. environmental protection
Pulping and paper-making COD pollutant emission accounts for about 20% of China's industrial wastewater discharge total amount, is the maximum emission source of China industrial wastewater COD.Alkali recovery process is complicated, equipment investment is large, adopts the expanded pulping technique of oxonium base, does not produce cooking waste liquor, only have two drainage points in raw material pre-soaking and extrusion process, for the production of materials for wall after waste liquid circulation utilizes.Chlorine-free bleaching is adopted not have POPS persistence organic pollutant to produce.Akali sulphide is not used not have the generation of the foul smell such as hydrogen sulfide, mercaptan.The screenings of process obtains pulp product through regrinding, and solid waste resource recovery utilizes.
2. achieve grass as raw material high yield cooking
The employing oxonium base of the expanded slurrying of oxonium base and puffing technique combine defibrating, and the mode of weak mechanical treatment is taked in rear end, ensure that fibre strength, reduces energy consumption, achieves high yield cooking, is the breakthrough of grass as raw material pulping process.
3. concise in technology, is conducive to suiting measures to local conditions to found the factory
Adopt chemical pulping, equipment is huge, complex process.Adopt the expanded pulping technique of oxonium base, floor space is little, concise in technology.
Table one:
Table two:
Drawn by upper table contrast: chemical pulping process adds Na in digestion process
2s will certainly produce COD pollutant like this; To chlorine bleach be carried out after screening, POPS pollutant will certainly be produced like this; Also needed to carry out alkali collection before making pulpboard, the increase of production cost will certainly be caused.On the contrary, the utility model adopts the step of the expanded slurrying of oxonium base simple, and can not produce the discharge of COD and POPS pollutant.
Table three:
Can be drawn by table three: COD and BOD that the utility model adopts the expanded pulping process of oxonium base to produce
5be 0, and in chemical pulp method of the prior art, COD is 5.4kg/t, the COD in reducing rules method is 1.8kg/t; BOD in chemical pulp method
5for 1.5kg/t, the BOD in reducing rules method
5for 0.72kg/t.As can be seen here, the utility model adopts the method for the expanded pulping process of oxonium base to be better than chemical pulp method and reducing rules method.
Table four:
Drawn by table four: the consumption of the consumption of the utility model employing oxonium base expanded pulping process Raw, water, alkali, steam is all far smaller than chemical pulp method and reducing rules method in prior art.Although the electric consumption of the present utility model is slightly larger than chemical pulp method, the consumption of other material is far smaller than chemical pulp method, and therefore the expanded pulping process of oxonium base of the present utility model is totally still better than chemical pulp method and reducing rules method.
Table five:
| Title | The expanded slurrying of oxonium base | Chemical pulp | Reducing rules |
| Raw materials consumption | 100％ | 212％ | 111％ |
| Water consumption | 100％ | 3000％ | 1000％ |
| Alkali consumes | 100％ | 164％ | 181％ |
| Electric consumption | 100％ | 70％ | 240％ |
| COD discharges | 0 | 540 | 180 |
| BOD discharges | 0 | 150 | 72 |
| Cost compare | 100％ | 172％ | 132％ |
Drawn by table five: the consumption of the consumption of the utility model employing oxonium base expanded pulping process Raw, water, alkali, steam is all far smaller than chemical pulp method and reducing rules method in prior art.Although the electric consumption of the present utility model is slightly larger than chemical pulp method, the consumption of other material is far smaller than chemical pulp method.In addition, in the utility model, there is the discharge of COD, BOD, can not pollute.Therefore, the expanded pulping process of oxonium base of the present utility model is totally still better than chemical pulp method and reducing rules method.
Water-free environment-friendlyurinal pulping technique of the present utility model confirms to have good economic benefit, social benefit and ecological benefits through promoting.Estimate that the five-year slurrying production capacity reaches 3,000,000 tons; annual value of production more than 10,000,000,000 yuan can be realized; the relevant vertical industry such as equipment manufacturing, new material is driven to invest more than 30,000,000,000 yuan; our company's project plan about 3 years listing; carry out large-scale development by capital operation, international environmental protection industry leading enterprise will be become.
Although disclose in detail the utility model with reference to accompanying drawing, it should be understood that these descriptions are only exemplary, be not used for limiting application of the present utility model.Protection domain of the present utility model by appended claims, and can be included in when not departing from the utility model protection domain and spirit for various modification, remodeling and equivalents that the utility model is done.
Claims (9)
1. an anhydrous slurrying expanding apparatus, it comprises developing machine (2), thread rolling machine (10), spiral dewater (3), reaction warehouse (30) and high-density paste mill (6), raw material is sent into developing machine (2) through belt (1) and is cleaned, from developing machine (2) raw material out through dehydration, thread rolling, reaction, defibrination aft-loaded airfoil becomes paper pulp, it is characterized in that: between described thread rolling machine (10) and reaction warehouse (30), be provided with expanding apparatus (20), described expanding apparatus (20) comprises supporting leg (21) and cylindrical shell (22), multiple oxygen spray pipe (23) and steam jet (24) is uniformly distributed in cylindrical shell (22).
2. anhydrous slurrying expanding apparatus as claimed in claim 1, it is characterized in that, described oxygen spray pipe (23) and steam jet (24) are three, and the outside that oxygen spray pipe (23) stretches into cylindrical shell (22) with steam jet (24) is communicated with annular steam inlet pipe.
3. anhydrous slurrying expanding apparatus as claimed in claim 1 or 2, is characterized in that, the tube wall that described oxygen spray pipe (23) and steam jet (24) stretch into the position of cylindrical shell (22) is uniformly distributed multiple aperture.
4. anhydrous slurrying expanding apparatus as claimed in claim 1 or 2, is characterized in that, charging aperture (a) is established at the top of described cylindrical shell (22), and bottom is provided with discharging opening (b).
5. anhydrous slurrying expanding apparatus as claimed in claim 1 or 2, is characterized in that, the barrel of described cylindrical shell (22) is equipped with temperature sensor (26) and pressure sensor (28).
6. anhydrous slurrying expanding apparatus as claimed in claim 5, is characterized in that, described pressure sensor (28) is provided with oxygen automatic valve (210); Temperature sensor (26) is provided with steam automatic valve (29).
7. anhydrous slurrying expanding apparatus as claimed in claim 4, is characterized in that, the lower end of described discharging opening (b) is provided with blow-off valve (27).
8. anhydrous slurrying expanding apparatus as claimed in claim 7, is characterized in that, the lower end of described blow-off valve (27) is provided with charging conduit (21).
9. anhydrous slurrying expanding apparatus as claimed in claim 1 or 2, is characterized in that, the top of described cylindrical shell (22) is provided with forces feeding screw (51).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520036652.0U CN204803671U (en) | 2015-01-19 | 2015-01-19 | Popped device of anhydrous slurrying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520036652.0U CN204803671U (en) | 2015-01-19 | 2015-01-19 | Popped device of anhydrous slurrying |
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| CN204803671U true CN204803671U (en) | 2015-11-25 |
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| CN201520036652.0U Active CN204803671U (en) | 2015-01-19 | 2015-01-19 | Popped device of anhydrous slurrying |
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