CN104593220A - Device and technology for enhancing paper strength by use of bio-enzyme online efficient modified starch - Google Patents
Device and technology for enhancing paper strength by use of bio-enzyme online efficient modified starch Download PDFInfo
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- CN104593220A CN104593220A CN201510008487.2A CN201510008487A CN104593220A CN 104593220 A CN104593220 A CN 104593220A CN 201510008487 A CN201510008487 A CN 201510008487A CN 104593220 A CN104593220 A CN 104593220A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a device and a technology for enhancing paper strength by use of bio-enzyme online efficient modified starch. The device comprises a steam jet digester, a paste liquid flow reactor, a starch paste liquid online diluter and a storage tank which are communicated in sequence, wherein the steam jet digester is a pipeline type heater with a steam input port, a starch size input port and a digested starch paste output port; and the paste liquid flow reactor can perform a bio-enzyme conversion reaction on the starch. According to the device and technology provided by the invention, a pipeline type steam jet digester is adopted, and the starch is pasted accurately and quantitatively; the paste liquid flow reactor is adopted for homogenization; particularly, a brand new way of bio-enzyme reacting on starch is adopted, the color of the starch paste does not get darker, and the papermaking is not influenced by color; moreover, the modified starch is quantitatively supplied to pulp online in real time throughout the whole process, being more energy-saving; and the storage tank flexibly realizes accurate utilization of the starch paste, and the dosage is time-flexible.
Description
Technical field
The present invention relates to a kind of use improving starch, particularly relate to device and technique that the online high effective and modified starch of a kind of biological enzyme strengthens paper strength.
Background technology
Modified starch is essential in production of fluting base paper process and that consumption is maximum papermaking chemical product.Current domestic Corrugating Base Paper factory all adopts and buys related products to modified starch factory, then in paper mill by steam heating gelatinization (intermittent type) traditional application mode, this application mode production cost is high, and product easily causes environmental pollution.
Our company have employed traditional APS(ammonium persulphate) as the oxygenant of modification, the starch fluid colourity after oxidation is comparatively dark, waste water treatmentntrol difficult, and environmental influence is large, and the pH value of glue is strongly-acid, to the seriously corroded of equipment own.
Summary of the invention
Instant invention overcomes the deficiencies in the prior art, provide the online high effective and modified starch of a kind of biological enzyme to strengthen device and the technique of paper strength.
For achieving the above object, a kind of technical scheme that the present invention adopts is: the online high effective and modified starch of a kind of biological enzyme strengthens the device of paper strength, comprise: the vapo(u)r blasting pulp digester be communicated with successively, powder stick with paste liquid flow reactor, starch paste liquid on-line dilution device and storage tank, it is characterized in that, vapo(u)r blasting pulp digester is pipeline heater, have vapor inlet port, farinaceous size input aperture and cooking starch and stick with paste delivery port, described powder sticks with paste liquid flow reactor can carry out bioenzymatic conversion reaction to starch.
In a preferred embodiment of the present invention, described vapor inlet port, by pipeline and a steam supply equipment connection, this connecting tube arranges a steam regulating valve.
In a preferred embodiment of the present invention, described farinaceous size input aperture is connected with farinaceous size supply equipment by pipeline, and described pipeline arranges a spiral pump, is connected a under meter between spiral pump with farinaceous size input aperture.
In a preferred embodiment of the present invention, cooking starch is stuck with paste delivery port and the cooking starch paste after boiling is input to described powder paste liquid flow reactor by pipeline.
In a preferred embodiment of the present invention, powder is stuck with paste in liquid flow reactor and is provided with homogeneous pipe or laminar flow baffle plate, is provided with insulation outside reactor.
In a preferred embodiment of the present invention, starch paste liquid on-line dilution device carries out online concentration adjustment, reaction terminating technique to the homogeneous starch paste reacted.
The another kind of technical scheme that the present invention adopts is: a kind of technique making treated starch, is characterized in that, comprise the following steps:
(1) utilize high-temperature steam dynamic boiling pasted starch slurries, prepare starch paste;
(2) starch paste prepared is carried out homogeneous, carry out bioenzymatic conversion reaction simultaneously;
(3) on-line Control is carried out to the starch paste after homogeneous and bioenzymatic conversion.
In a preferred embodiment of the present invention, starch paste after homogeneous and bioenzymatic conversion is by the input paper pulp internal sizing of on-line Control direct quantitative and by the starch paste of redundance input storage tank, or the starch paste called in described storage tank is quantitatively input in paper pulp.
The invention solves the defect existed in background technology, the present invention adopts the vapo(u)r blasting pulp digester of duct type, accurate quantification gelatinization is carried out to starch, adopt powder to stick with paste liquid flow reactor and carry out homogeneous, particularly brand-new employing biological enzyme reacts starch, starch paste color can not deepen, papermaking time can not be subject to Color influences; Omnidistance online quantitatively instant provide applying glue treated starch for paper pulp, more energy-conservation, storage tank achieves the accurate utilization of starch paste flexibly, and usage quantity obtains time elasticity.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of the preferred embodiments of the present invention;
In figure: 1, vapo(u)r blasting pulp digester, 2, vapor inlet port, 3, steam supply equipment, 4, steam regulating valve, 5, farinaceous size input aperture, 6, farinaceous size supply equipment, 7, spiral pump, 8, under meter, 9, cooking starch sticks with paste delivery port, 10, powder sticks with paste liquid flow reactor, and 11, starch paste liquid on-line dilution device, 12, storage tank.
Embodiment
The present invention is further detailed explanation in conjunction with the accompanying drawings and embodiments now, and these accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
As shown in Figure 1, the online high effective and modified starch of a kind of biological enzyme strengthens the device of paper strength, comprise: the vapo(u)r blasting pulp digester 1 be communicated with successively, powder stick with paste liquid flow reactor 10, starch paste liquid on-line dilution device 11 and storage tank 12, vapo(u)r blasting pulp digester 1 is pipeline heater, have vapor inlet port 2, farinaceous size input aperture 5 and cooking starch and stick with paste delivery port 9, powder sticks with paste liquid flow reactor 10 can carry out bioenzymatic conversion reaction to starch.
Vapor inlet port 2 is connected with a steam supply equipment 3 by pipeline, and this connecting tube arranges a steam regulating valve 4.
Farinaceous size input aperture 5 is connected with farinaceous size supply equipment 6 by pipeline, and pipeline arranges a spiral pump 7, is connected a under meter 8 between spiral pump 7 with farinaceous size input aperture 5.
Cooking starch is stuck with paste delivery port 9 and the cooking starch paste after boiling is input to powder paste liquid flow reactor 10 by pipeline.
Powder is stuck with paste in liquid flow reactor 10 and is provided with homogeneous pipe or laminar flow baffle plate, is provided with insulation outside reactor.
Starch paste liquid on-line dilution device 11 carries out online concentration adjustment, reaction terminating technique to the homogeneous starch paste reacted.
Make a technique for treated starch, comprise the following steps:
(1) utilize high-temperature steam dynamic boiling pasted starch slurries, prepare starch paste;
(2) starch paste prepared is carried out homogeneous, carry out bioenzymatic conversion reaction simultaneously;
(3) on-line Control is carried out to the starch paste after homogeneous and bioenzymatic conversion.
Starch paste after homogeneous and bioenzymatic conversion is by the input paper pulp internal sizing of on-line Control direct quantitative and by the starch paste of redundance input storage tank 12, or the starch paste called in storage tank 12 is quantitatively input in paper pulp.
Of the present invention mainly for company's fluting board production top sizing treated starch application present situation and technical study, develop advanced fluting board size-press starch on-line continuous fluidization modification gordian technique and equip and cleaner production utilisation technology, this technology can obviously reduce paper cost on the one hand, save production energy consumption, obviously can promote paper quality and paper-making technique level on the other hand, promote paper industry technology upgrading.
The distinguishing feature of this technology is applied to by biological enzyme in the starch conversion technique of continuity liquefied, complete online in production scene, paper mill, and synchronously realize the application of paper machine, eliminate the middle-chain that modified starch is produced, thus reduce paper cost, significantly improve the quality of fluting board.
Core missions of the present invention are starch online pulp digester equipment and online modification technologies of enzyme converted starch that exploitation is applicable to production of fluting base paper demand, belong to large high-speed paper machine environment protection type paper chemical research field.Invention emphasis solves that existing pot type pulp digester volume is large, level of automation is low, it is high to consume energy and modified starch colourity is dark, equipment is perishable and the problem such as use cost is high.
Enzyme converted starch online boiling equipment is complete serialization application equipment, and it mainly comprises: (1) vapo(u)r blasting pulp digester 1, utilizes high-temperature steam that water-starch slurries are carried out moment boiling; (2) starch paste liquid flow reactor 10, while carrying out homogeneous to cooking starch paste, carries out the reaction of biological or chemical to starch; (3) starch paste liquid on-line dilution device 11, carries out the subsequent techniques such as online concentration adjustment, reaction terminating, enhanced reaction of modification to the homogeneous starch paste reacted, and then exports finished product starch paste; (4) storage tank 12, stores finished product starch paste; (5) housing, controls the technological action of above-mentioned each parts, comprises PLC and hand controller.The online boiling technology of enzyme converted starch of the present invention's research utilizes vapo(u)r blasting heating to carry out starch cook, greatly reduces pulp digester volume, reduces costs; Farinaceous size directly contacts with steam, and boil use at any time at any time, continuous seepage, thermal conversion rate is high, energy-conservation; Operation control is furnished with PLC control system, and level of automation is high; Adopt online modification technology situ production surface sizing starch, significantly reduce enterprise's material cost.(6) adopt biological enzyme as Starch Conversion auxiliary agent, instead of traditional APS(ammonium persulphate) as the use of oxygenant, thoroughly solve the problem that modified starch glue colourity is dark, reduce environmental pollution, meanwhile, improve glue pH value, greatly reduce the corrodibility to equipment.
1. physical properties of paper do liter, resistance to broken raising: 10%; Ring pressure improves: 10%;
2. the steam consumption 5% of starch saving per ton;
3. Starch Conversion cost declines from 0.254 yuan/ton, drops to 0.056 yuan/ton;
4. size-press starch consumption reduces, and drops to 15kg/t from 25kg/t.
Crucial technique unit is following link:
(1) vapo(u)r blasting pulp digester 1 is a kind of pipeline heater, there is vapor inlet port 2, farinaceous size input aperture 5 and cooking starch stick with paste delivery port 9, described vapor inlet port 2 is connected with a steam supply equipment 3 by pipeline, this connecting tube arranges a steam regulating valve 4, farinaceous size input aperture 5 is connected with farinaceous size supply equipment 6 by pipeline, this connecting tube arranges a spiral pump 7, a under meter 8 is connected between spiral pump 7 with farinaceous size input aperture 5, in vapo(u)r blasting pulp digester 1, farinaceous size is carried out boiling by high-temperature steam, cooking starch after cooking starch sticks with paste delivery port output boiling is stuck with paste.
(2) powder sticks with paste liquid flow reactor 10, while carrying out homogeneous to cooking starch paste, starch is carried out to the reaction of enzymatic conversion; Be provided with homogeneous pipe or laminar flow baffle plate in reactor, be provided with thermal insulation layer outside reactor, front and back are designed with cooking starch respectively and stick with paste input aperture and starch paste delivery port.Cooking starch is stuck with paste input aperture and export with vapo(u)r blasting pulp digester by pipeline and be connected, and inputs cooking starch paste.
(3) starch paste liquid on-line dilution device 11, to the homogeneous starch paste reacted carry out online concentration adjustment, reaction terminating, etc. subsequent technique, then export finished product starch paste;
(4) on-the-spot under meter, temperature transmitter, pressure unit, storage tank liquidometer, steam regulating valve, spiral pump, automatic valve, control panel etc. are connected with paper machine control room DCS.The operation of each technical process all realizes computerized integrating control.
Above according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, related personnel in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification sheets, must determine technical scope according to right.
Claims (8)
1. the device of the online high effective and modified starch enhancing paper strength of biological enzyme, comprise: the vapo(u)r blasting pulp digester be communicated with successively, powder stick with paste liquid flow reactor, starch paste liquid on-line dilution device and storage tank, it is characterized in that, vapo(u)r blasting pulp digester is pipeline heater, have vapor inlet port, farinaceous size input aperture and cooking starch and stick with paste delivery port, described powder sticks with paste liquid flow reactor can carry out bioenzymatic conversion reaction to starch.
2. the online high effective and modified starch of a kind of biological enzyme according to claim 1 strengthens the device of paper strength, it is characterized in that: described vapor inlet port, by pipeline and a steam supply equipment connection, this connecting tube arranges a steam regulating valve.
3. the online high effective and modified starch of a kind of biological enzyme according to claim 2 strengthens the device of paper strength, it is characterized in that: described farinaceous size input aperture is connected with farinaceous size supply equipment by pipeline, described pipeline arranges a spiral pump, between spiral pump with farinaceous size input aperture, is connected a under meter.
4. the online high effective and modified starch of a kind of biological enzyme according to claim 3 strengthens the device of paper strength, it is characterized in that: cooking starch is stuck with paste delivery port and the cooking starch paste after boiling is input to described powder paste liquid flow reactor by pipeline.
5. the online high effective and modified starch of a kind of biological enzyme according to claim 1 strengthens the device of paper strength, it is characterized in that: powder is stuck with paste in liquid flow reactor and is provided with homogeneous pipe or laminar flow baffle plate, is provided with insulation outside reactor.
6. the online high effective and modified starch of a kind of biological enzyme according to claim 1 strengthens the device of paper strength, it is characterized in that: starch paste liquid on-line dilution device carries out online concentration adjustment, reaction terminating technique to the homogeneous starch paste reacted.
7. utilize device described in claim 1 to make a technique for treated starch, it is characterized in that, comprise the following steps:
(1) utilize high-temperature steam dynamic boiling pasted starch slurries, prepare starch paste;
(2) starch paste prepared is carried out homogeneous, carry out bioenzymatic conversion reaction simultaneously;
(3) on-line Control is carried out to the starch paste after homogeneous and bioenzymatic conversion.
8. the online high effective and modified starch of a kind of biological enzyme according to claim 7 strengthens the technique of paper strength, it is characterized in that: the starch paste after homogeneous and bioenzymatic conversion is by the input paper pulp internal sizing of on-line Control direct quantitative and by the starch paste of redundance input storage tank, or the starch paste called in described storage tank is quantitatively input in paper pulp.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510008487.2A CN104593220A (en) | 2015-01-08 | 2015-01-08 | Device and technology for enhancing paper strength by use of bio-enzyme online efficient modified starch |
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| CN201510008487.2A CN104593220A (en) | 2015-01-08 | 2015-01-08 | Device and technology for enhancing paper strength by use of bio-enzyme online efficient modified starch |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429743A (en) * | 2008-12-17 | 2009-05-13 | 安徽山鹰纸业股份有限公司 | Production method of surface sizing agent, sizing agent and use thereof |
| CN101979763A (en) * | 2010-10-22 | 2011-02-23 | 东莞理文造纸厂有限公司 | Method for making papermaking starch glue |
| CN203602966U (en) * | 2013-11-22 | 2014-05-21 | 广东理文造纸有限公司 | Continuous starch adhesive applying system |
-
2015
- 2015-01-08 CN CN201510008487.2A patent/CN104593220A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101429743A (en) * | 2008-12-17 | 2009-05-13 | 安徽山鹰纸业股份有限公司 | Production method of surface sizing agent, sizing agent and use thereof |
| CN101979763A (en) * | 2010-10-22 | 2011-02-23 | 东莞理文造纸厂有限公司 | Method for making papermaking starch glue |
| CN203602966U (en) * | 2013-11-22 | 2014-05-21 | 广东理文造纸有限公司 | Continuous starch adhesive applying system |
Non-Patent Citations (2)
| Title |
|---|
| 郑丽萍等: "淀粉连续蒸煮技术在造纸中的应用", 《2005中国造纸化学品开发应用国际经济技术交流论文集》 * |
| 陈宝华: "施胶用酶转化淀粉连续蒸煮的应用", 《中华纸业》 * |
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