CN203429492U - Multistage single-screw continuous type steam explosion device for plant fiber - Google Patents
Multistage single-screw continuous type steam explosion device for plant fiber Download PDFInfo
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- CN203429492U CN203429492U CN201320516351.9U CN201320516351U CN203429492U CN 203429492 U CN203429492 U CN 203429492U CN 201320516351 U CN201320516351 U CN 201320516351U CN 203429492 U CN203429492 U CN 203429492U
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- machine barrel
- steam explosion
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Abstract
The utility model discloses a multistage single-screw continuous type steam explosion device for plant fiber. The multistage single-screw continuous type steam explosion device for the plant fiber is designed special for processing the plant fiber and is convenient to detach and capable of controlling the temperature in a segmented mode. The multistage single-screw continuous type steam explosion device is structurally composed of multiple sections of machine frames, multiple sections of machine cylinders, multiple sections of screws, a feeding device, electric motors, temperature control devices and the like. The feeding device is arranged on a platform above a machine body and conducts even and continuous feeding, the combined device can be adjusted according to the specific condition of materials due to the design of the structure including the multiple sections of machine frames, the multiple sections of machine cylinders and the multiple sections of screws, each section of explosion device can adjust and control parameters such as the temperature and the material moisture content alone, and therefore segmentation control can be achieved. The structural design that each machine cylinder is composed of an upper portion and a lower portion is adopted, and therefore the machine cylinders are convenient to install and detach, the screws can be conveniently replaced, and washing and maintaining can be conveniently conducted. Compared with the prior art, the steam explosion device has the advantages of being adjustable in grade number, capable of conducting segmented adjustment and control, easy to maintain, low in energy consumption, high in productivity, good in processing effect, high in material adaptability, low in labor intensity, beneficial to achievement of automated control and the like.
Description
Technical field
The utility model relates to the steam blasting device in a kind of biomass material preprocessing process, the particularly continuous steam explosion device of string.
Background technology
Along with resource and the energy day by day in short supply, people more and more pay attention to exploitation and the conversion of biomass resource.Current living beings are mainly used in the preparation of paper-making pulping, fermenting and producing alcohol, wood-based plate, fiberboard and wood plastic composite etc., yet the preconditioning technique of string is the key that realizes string recycling.Preconditioning technique for string mainly comprises physics preliminary treatment, the technology such as Chemical Pretreatment at present.In recent years, a kind of Novel physical-chemical pretreatment techniques---steam blasting technology is just causing researcher's attention with its advantage such as efficient, pollution-free, low-cost.At present demolition set is mainly divided into two kinds of batch (-type) and continous modes.Batch (-type) steam explosion method is produced discontinuous, length consuming time, and productivity ratio is low, cannot realize industrialization and produce continuously, Industry Promotion difficulty; The disposal ability that continous mode is processed is larger, and efficiency is higher, be suitable for large scale industry application, but this equipment is less, expensive.
Although the patented technology that has a lot of steam blasting devices current, majority can only be realized batch production.As CN201195813 patent provides a kind of vapour at intermittence quick-fried device, comprise steam generator, surge tank, receiving tank, during use, first maize straw, wheat straw etc. is put into steam-explosion jar, pass into the saturated vapor of certain temperature and pressure, after pressurize a period of time, to realize vapour quick-fried for quick pressure releasing.CN102151519A patent discloses a kind of steam explosion continuous production method and corollary apparatus thereof, and this device is feeded, led to steam, heat-insulation pressure keeping and spurt operation a plurality of steam-explosion jars successively.CN201756659U patent discloses the continuous steam explosion machine of stalk cellulose pure physical method molecular structure modified active, and this machine adopts and is no less than the high pressure of two and dodges quick-fried device and realize continuous steam explosion.These two kinds of steam blasting devices are all based on utilizing the quick-fried unit of a plurality of vapour to carry out derivative time above, intermittently realize overall serialization produce with part, and it is quick-fried that essence remains batch (-type) vapour.Similarly, CN102797188A patent has been announced a kind of numerical control continuous steam explosion machine, and it utilizes slip capping principle can within the time of Millisecond (0.00875s), complete the process of supersonic speed steam explosive-crushing, inreal realizes the even continuous demolition of material.
For different plant fiber materials, it needs steam blasting condition different, particularly xylophyta, its degree of lignification is high, and structure is more fine and close, and single treatment does not reach needs effect, need unit repeatedly or multiple devices series connection produce, batch production causes production loss large, and energy loss is many, and efficiency is low, energy consumption is large, production capacity is low, technological parameter is wayward, labour intensity is large, and automaticity is low, and cost is high.Some strings need to add modifier in processing procedure, but modifier and string material dispersion are inhomogeneous and can not infiltrate material particles inside and cause reaction effect not good, and kind, the content of different stage modifier and the condition of reacting required all may be different, and the temperature of blasting process, pressure etc. need to regulate.Resource and the energy are day by day in short supply at present, and developing reproducible biomass resource and saving energy and reduce the cost is trend of the times.How can make demolition set energy-saving and cost-reducing when guaranteeing high-quality and efficient demolition effect is an important topic in industry.
Utility model content
Many weak points that the utility model exists for prior art, a kind of multistage single screw rod continuous steam explosion device of string is disclosed, this steam blasting device is by multistage frame, multistage machine barrel, combination in series between multi stage screw, progression is adjustable, adopt this structural design, can realize continuous several times explosion with a continuous repeatedly explosion of machine, reduce energy and production loss, energy consumption is low, production capacity is high, and can regulate progression according to material actual conditions, wide adaptability to material, automaticity is high, labour intensity is low, thereby reduce costs.
In order to solve the problems of the technologies described above, the utility model has adopted following technical scheme:
Multistage single screw rod continuous steam explosion device of string, comprise at least 2 or 2 above single screw rod continuous type steam explosion unit of serial connection successively, described single screw rod continuous type steam explosion unit comprises frame, be fixed on machine barrel in frame, be horizontally placed on the hollow screw in machine barrel, that the discharging opening of described machine barrel is provided with is removable, with the mouth mould of taper hole, in described screw rod, cross the spline mandrel of a drive screw rotation, the left end of described spline mandrel is driven by belt and is connected with the first motor, and right-hand member is provided with bearing and bearing.
Further, described screw rod can be selected screw-type according to different material and treatment effect, and the axis of all screw rods is positioned on same level straight line, and the right-hand member of spline mandrel is provided with screw thread, and be connected with described screw thread for by screw-pressings at different levels, realize the nut of steady, reliable transmission.
Further, the tapered hole size of described mouthful of mould differs, and all has charge door on machine barrels at different levels.
Further, machine barrel is formed by connecting up and down by machine barrel top and machine barrel bottom.
Further, between machine barrel top and machine barrel bottom, by trip bolt, be connected, be bolted connection between machine barrel at different levels.
Further, described machine barrel front end is provided with for monitoring the temperature sensor of machine barrel front end temperature.
Further, described machine barrel top and machine barrel bottom all have the temperature control runner for machine barrel front end is heated up and lowered the temperature.
Multistage single screw rod continuous steam explosion device of the present utility model comprises multistage frame, multistage machine barrel, multi stage screw, drive unit, drawing-in device, waterworks, temperature regulating device etc., the design of described multistage frame, multistage machine barrel, multi stage screw series connection, between at different levels, by guider and bindiny mechanism, connect, can, by regulating progression to realize repeatedly explosion, obtain high-quality and efficient demolition effect.
The purpose of this utility model is for providing the multistage steam blaster of quick-detachment, the secondary section of multistage steam demolition set of the present utility model adopts modularized design, be convenient to the manufacture processing of multistage explosion unit, during use, arbitrarily combine, guider and bindiny mechanism connect, and are convenient to dismounting cleaning, maintenance etc.
The design of described multistage frame, multistage machine barrel, multi stage screw realizes continuous repeatedly steam blasting, has solved the problem that degree of lignification high xylophyta fiber onepull can not reach required effect.
Described machine barrel is comprised of upper and lower two-part structure, by attaching parts, be fixedly connected with, when the stifled machine of material, can rapidly machine barrel be taken apart, expose screw rod, cleaning material, and dismounting time is not affected by screw rod, when dismounting, weight alleviates much relatively, had both solved material and dismantle time-consuming problem when stifled machine, heavy problem of being inconvenient to dismantle while having solved again raw material demolition set to large scale development.
During actual use, the utility model first order explosion unit adopts feeder feeding, and secondary have a charge door, can simultaneously or successively add several materials or additive, and can be even with mixing of materials, and sufficient reacting, reaches the explosion pretreating effect needing.
Multistage single screw rod continuous steam explosion device of described string in use, according to the characteristic of material, is set machine barrel progression, screw rod shape, a mouthful mould size, makes material treatment effect reach best.
Multistage single screw rod continuous steam explosion device of string utilizes bolt rotary to promote material to advance, and relies on friction between string itself and screw rod to realize conveying, sealing, supercharging and the intensification of material.When material arrives the outlet of mouth mould, material is compacted, and temperature is because frictional heat is elevated to a certain degree.Because material itself contains a certain amount of moisture, when material releases continuously from slit die, instantaneous the disengaging of high-temperature high pressure water of material inside, produces huge force of explosion, thereby destroys the pencil institutional framework of string, realizes the dissociation of plant fiber cells.
Multistage single screw rod continuous steam explosion device of described string in use, the material that is full of pressure and steam in machine barrel by mouthful mould after release of pressure suddenly, superheated water rapidly vaporization sharply expands, produce " explosion " effect, can partly peel off fibrocyte intercellular layer and primary wall, realize fibrocellular dissociation.
Multistage single screw rod continuous steam explosion device of described string in use, the material spurting after first order explosion enters second level machine barrel, the material spurting after the explosion of the second level enters third level machine barrel, the third level spurts material after processing, and material is discharged through the discharging opening in third level frame.
Discharging opening on described third level explosion unit rack vertically downward.
Every grade of barrel of the present utility model can be according to material real-time monitoring material water ratio, the die temperature of every grade of barrel utilizes temperature sensor Real-Time Monitoring, by the logical medium of the temperature control runner in barrel, control and heat up and cooling, make material in machine barrel reach uniform temperature and higher pressure, thereby the temperature while controlling material explosion, the directed treatment effect of controlling string.Saturated-steam temperature and pressure are directly proportional, and will improve pressure, and temperature is also along with increasing, and this device at a certain temperature, can be brought up to needed pressure, reaches the object of steam explosion, overcomes the contradiction between pressure and temperature.
Material water ratio in described every grade of barrel can regulate and control separately.
The die temperature of described every grade of barrel is monitored separately.
Described medium is cooling medium or heat medium.
Described multi-stage screw, the screw rod of every one-level can be selected screw-type according to different material and treatment effect, and all screw rods are through spline mandrel.
Described spline mandrel in the end has screw thread on the splined shaft of one-level screw rod end, by nut, multi-stage screw is compressed, and realizes steady, reliable transmission.
The screw rod of described every one-level is positioned on same level straight line, and afterbody screw rod is provided with bearing near one end of discharging opening, and main shaft is provided with bearings near one end of belt pulley.
Every grade of explosion cell temperature of multistage single screw rod continuous steam explosion device of the utility model string, pressure, feed, discharging, adopt control able to programme (PLC) to realize dynamo-electric control automatically.
Multistage single screw rod continuous steam explosion device of string of the present utility model is simple in structure, and efficiency is high, superior product quality, and equipment utilization is safe and reliable, and energy consumption is low, easy to operate, can carry out automation, serialization large-scale industrial production.
Accompanying drawing explanation
Fig. 1 is the structural representation of multistage single screw rod continuous steam explosion device of string of the present utility model;
Fig. 2 is the cross-sectional view of mouthful mould.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as to restriction of the present utility model.
Embodiment
The structural representation of multistage single screw rod continuous steam explosion device that as shown in Figure 1, Fig. 1 is string of the present utility model.Multistage single screw rod continuous steam explosion device of string, its composition comprises: the first frame 1, the second frame 14, the 3rd frame 22, the first frame 1 and the second frame 14 are fixed by guider and retention mechanism, the second frame 14 and the 3rd frame 22 are fixed by guider and retention mechanism, be convenient to dismounting and assembling, can repack as required single-stage into, two-stage, three grades of steam blasting machines, the first motor 2 is arranged in the first frame 1, power transmits by belt 3, the second motor 4 and scroll feeder 5 are fixed in the first frame 1 by support, on barrel, have water inlet 6, in order to regulate material water ratio, scroll feeder 5 evenly adds to hopper 7 continuously by material, by hopper 7, enter machine barrel, machine barrel top 8 and machine barrel bottom 9 are bolted, be convenient to quick-detachment, clean, maintenance and maintenance, machine barrel base is fixed by bolts in the first frame 1, machine barrel top 8 front ends are also equipped with the first thermocouple 10, for Real-Time Monitoring temperature, machine barrel top 8 and machine barrel bottom 9 have the first temperature control runner 11, are used for machine barrel front end to heat up and cooling, bolt 12 is used for connecting two-stage machine barrel, while fastening port mould 18, on the machine barrel of the second level, having can closed hopper 13, conveniently add materials, when airtight, can reduce water vapour and heat loss, realize energy-conservation, second level barrel is arranged in the second frame 14, screw rod 15 front ends are that double helix is conducive to convey materials, rear end is that single-screw is conducive to compacting material, second level barrel zone temperature can regulate temperature by the second temperature control runner 16, the second thermocouple 17 is used for monitoring the temperature of mouthful mould 18, the second level is identical with third level barrel configuration, by splined shaft 19, multi-stage screw is coupled together, nut 20 is used for the multi-stage screw on splined shaft 19 fastening, bearing and bearing 21 play support splined shaft 19, third level body uses bolted in the 3rd frame 22.
As shown in Figure 2, the mouth mould 18 of barrels at different levels can be selected the combination of different size as required, as same diameter different length, equal length different-diameter or different-diameter different length, wherein D
0external diameter, the L of mouth mould
0for the length of mouth mould, and be particular value; α is that a mouthful mould Entrance Convergence angle, d are that a mouthful mould straight portion diameter, l are a mouthful mould straight portion length, and α, d and l are variable, according to use, need to make different mouth moulds.
Above-described embodiment of the present utility model is only for the utility model example is clearly described, and is not the restriction to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without also giving all embodiments.All any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of the utility model claim.
Claims (7)
1. multistage single screw rod continuous steam explosion device of string, it is characterized in that: comprise at least 2 or 2 above single screw rod continuous type steam explosion unit of serial connection successively, described single screw rod continuous type steam explosion unit comprises frame, be fixed on the machine barrel in frame, be horizontally placed on the hollow screw in machine barrel, the discharging opening of described machine barrel is provided with removable, mouth mould with taper hole, in described screw rod, cross the spline mandrel of a drive screw rotation, the left end of described spline mandrel is driven by belt and is connected with the first motor, right-hand member is provided with bearing and bearing.
2. multistage single screw rod continuous steam explosion device of string according to claim 1, it is characterized in that: described screw rod can be selected screw-type according to different material and treatment effect, the axis of all screw rods is positioned on same level straight line, the right-hand member of spline mandrel is provided with screw thread, and be connected with described screw thread for by screw-pressings at different levels, realize the nut of steady, reliable transmission.
3. according to multistage single screw rod continuous steam explosion device of the string described in claim 1～2 any one, it is characterized in that: the tapered hole size of described mouthful of mould differs, and all has charge door on machine barrels at different levels.
4. multistage single screw rod continuous steam explosion device of string according to claim 3, is characterized in that: machine barrel is formed by connecting up and down by machine barrel top and machine barrel bottom.
5. multistage single screw rod continuous steam explosion device of string according to claim 4, is characterized in that: between machine barrel top and machine barrel bottom, by trip bolt, be connected, be bolted connection between machine barrel at different levels.
6. multistage single screw rod continuous steam explosion device of string according to claim 5, is characterized in that: described machine barrel front end is provided with for monitoring the temperature sensor of machine barrel front end temperature.
7. multistage single screw rod continuous steam explosion device of string according to claim 6, is characterized in that: described machine barrel top and machine barrel bottom all have temperature control runner, is used for machine barrel front end to heat up and cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516351.9U CN203429492U (en) | 2013-08-23 | 2013-08-23 | Multistage single-screw continuous type steam explosion device for plant fiber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320516351.9U CN203429492U (en) | 2013-08-23 | 2013-08-23 | Multistage single-screw continuous type steam explosion device for plant fiber |
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| Publication Number | Publication Date |
|---|---|
| CN203429492U true CN203429492U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320516351.9U Expired - Fee Related CN203429492U (en) | 2013-08-23 | 2013-08-23 | Multistage single-screw continuous type steam explosion device for plant fiber |
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| CN (1) | CN203429492U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451985A (en) * | 2013-08-23 | 2013-12-18 | 华南理工大学 | Multistage single-screw continuous steam explosion device for plant fibers |
| CN111801447A (en) * | 2017-12-19 | 2020-10-20 | 大麻种植生产合作社 | Method for refining plant fiber by steam explosion |
-
2013
- 2013-08-23 CN CN201320516351.9U patent/CN203429492U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103451985A (en) * | 2013-08-23 | 2013-12-18 | 华南理工大学 | Multistage single-screw continuous steam explosion device for plant fibers |
| CN103451985B (en) * | 2013-08-23 | 2016-10-05 | 华南理工大学 | Multistage single screw rod continuous steam explosion device of Plant fiber |
| CN111801447A (en) * | 2017-12-19 | 2020-10-20 | 大麻种植生产合作社 | Method for refining plant fiber by steam explosion |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140212 Termination date: 20160823 |