CN202099647U - Steam explosion device with double-cylinder structure - Google Patents
Steam explosion device with double-cylinder structure Download PDFInfo
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- CN202099647U CN202099647U CN2011201667442U CN201120166744U CN202099647U CN 202099647 U CN202099647 U CN 202099647U CN 2011201667442 U CN2011201667442 U CN 2011201667442U CN 201120166744 U CN201120166744 U CN 201120166744U CN 202099647 U CN202099647 U CN 202099647U
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Abstract
The utility model provides a steam explosion device with a double-cylinder structure. The steam explosion device is characterized by comprising an explosion cylinder (1) and a steam storage cylinder (2), wherein the steam storage cylinder (2) is sheathed on the explosion cylinder (1), a wall of the explosion cylinder (1) is provided with a nozzle (3) which is communicated with an inner cavity of the steam storage cylinder (2) and an inner cavity of the explosion cylinder (1), a material inlet (4) is positioned on an upper seal head of the explosion cylinder (1), a quick opening valve (5) is arranged on a lower seal head of the explosion cylinder (1), the explosion cylinder (1) is internally provided with an inverted cone-shaped hopper (6) with a grid hole (9), the inner cavity of the explosion cylinder (1) is divided into a material cavity (7) and a sundry cavity (8) by the inverted cone-shaped hopper (6), the material cavity (7) is communicated with the sundry cavity (8) by the grid hole (9), and the quick opening valve (5) is respectively provided with a steam inlet and a material outlet. The steam explosion device is simple in structure, the material blowing speed can be effectively improved, the 'steam explosion' on physics concept can be realized, the treatment quality of biomass by a steam explosion technology can be effectively improved, and simultaneously the production efficiency can be improved.
Description
Technical field
The utility model relates to a kind of plant roots and stems treating apparatus, especially a kind of demolition set that utilizes the explosion principle to destroy the plant roots and stems fibre structure, specifically a kind of steam blasting device of twin-tub structure.
Background technology
As everyone knows, the prior steam blasting technique starts from nineteen twenty-six, is grown up by W.H.Mason, so be called the Masonite method.This technology mainly is used in pulp production the earliest, adopts high-temperature steam that living beings are carried out boiling, and the living beings of through a quick opening valve thermophilic digestion being crossed are then spurted in follow-up (normal pressure) receiving system.Subsequently, on this technology basis, people have carried out a large amount of research and improvement to steam explosion pulping, have produced Stake and Kokta method and some other important blasting technology, like Iotech and Siropulper.
Because prior steam blasting technique technology is in the process that living beings are spurted, blowdown time changes with the volume and the planform (like the draw ratio of hydrostatic column) of boiling container, generally in several seconds to tens minute.If when the physical concept of explosion is weighed, this prior steam blasting method can not be referred to as explosion, spurts technology and should be referred to as steam heat.
The so-called heat technology of spurting typically refers to the process that is released into the normal pressure receiving vessel through the material of HTHP boiling through the quick release valve door.In this process; Because material is successively through the quick release valve door; So discharging the burst pressure of material reduces with the priority through valve successively; The more important thing is can not be with quick-fried form abrupt release by the energy of quick-fried biomass material organization internal steam, but gradually a dispose procedure in the biomass material tissue.Discover that biomass material is under the pressure field effect, the process that steam is accomplished osmotic pressure through the living beings surface micropore is very fast, promptly the inside and outside equilibrium time very short, most of biomass material all can be accomplished in 1s such as maize straw, rice straw etc.If the speed of abrupt pressure reduction is equal to or greater than osmotic pressure speed (being that the quick-fried time of vapour is more than or equal to the osmotic pressure time); The steam that infiltrates in the living beings just has time enough to come out through the micropore slow release; Most steam is not done expansion work to living beings, can not realize that then the vapour on the physical significance is quick-fried.This steam heat spurts technology, though that production efficiency compares is higher, to the component of biomass material effectively separate and treatment effect limited.
At present, the steam blasting equipment that has adopted blast chamber (cylinder) principle design on a kind of structure is arranged, its explosion velocity is that this equipment can carry out the effective separate study of component to biomass material by design in 0.00875 second.But this equipment is owing to structure and technical restriction, and efficient is low, equipment manufacturing cost is high, therefore, has limited its utilization in suitability for industrialized production.
Summary of the invention
The purpose of the utility model is that the efficient that exists to existing blasting gear is low, and complex structure, the problem that cost is high design a kind of simple in structurely, and cost is low, the steam blasting device of twin-tub structure easy for operation.
The technical scheme of the utility model is:
A kind of steam blasting device of twin-tub structure; It is characterized in that it comprises explosion cylinder 1 and storage cylinder 2, storage cylinder 2 is sleeved on the explosion cylinder 1, and the casing wall of explosion cylinder 1 is provided with the nozzle 3 that is communicated with storage cylinder 2 inner chambers and explosion cylinder 1 inner chamber; The upper cover of explosion cylinder 1 is provided with charging aperture 4; The low head of explosion cylinder 1 is provided with quick opening valve 5, in the set inside of explosion cylinder 1 the back taper funnel 6 that has grid hole 9 is arranged, and back taper funnel 6 is divided into material cavity 7 and 8 two chambeies, foreign material chamber with the inner chamber of explosion cylinder 1; Material cavity 7 is communicated with through described grid hole 9 with foreign material chamber 8, and quick opening valve 5 is respectively equipped with air intake and discharging opening.
Described nozzle 3 is arranged near explosion cylinder 1 upper position place.
Described nozzle 3 diameters are 1～20mm.
The injection direction of described nozzle 3 is downward, and the inclination angle of its axial line and the explosion inside wall of cylinder is 15 °～90 °.
Described explosion cylinder 1 is provided with inner casing 10, and the lower end of described inner casing 10 is arranged in back taper funnel 6, and the casing wall of inner casing 10 is provided with the air admission hole 11 that voltage supply power gas gets into, and is provided with the gap that voltage supply power gas passes through between said inner casing 10 and the explosion cylinder 1.
The beneficial effect of the utility model:
1. relative prior steam blasting technique can realize real physical notional " steam blasting ", effectively improves the processing quality of utilization steam blasting technology to living beings;
2. the steam blasting of blast chamber (cylinder, cage) formula is technological relatively, has removed structure and technical restriction, can effectively raise the efficiency;
3. simple in structure, equipment manufacturing cost is low;
4. can in the suitability for industrialized production of biomass energy, the separation of biomass material component, paper-making pulping, tobacco processing, feed processing and other fields, extensively use;
5. the utility model can make explosion more thorough through the effect of air reservoir, has remedied the deficiency of traditional demolition set, helps simultaneously the material emptying in the explosion cylinder.
Description of drawings
Fig. 1 is the structural representation of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further described.
As shown in Figure 1.
A kind of steam blasting device of twin-tub structure, it comprises explosion cylinder 1 and storage cylinder 2, storage cylinder 2 is sleeved on the explosion cylinder 1 through welding; The diameter of storage cylinder 2 is greater than the diameter of explosion cylinder 1, and highly then less than the height of explosion cylinder 1, the casing wall of explosion cylinder 1 is provided with the nozzle 3 that is communicated with storage cylinder 2 inner chambers and explosion cylinder 1 inner chamber; Nozzle 3 should preferably be positioned at the upper position place of explosion cylinder 1 along explosion cylinder 1 circumference, and the diameter of nozzle 3 is advisable with 1～20mm and preferably is the inclined hole shape; The injection direction that is nozzle 3 is downward, and the inclination angle of its axial line and explosion cylinder 1 inwall is 15 °～90 °, and the upper cover of explosion cylinder 1 is provided with charging aperture 4; The low head of explosion cylinder 1 is provided with quick opening valve 5; Set inside at explosion cylinder 1 has the back taper funnel 6 that has grid hole 9, and the purpose that grid hole 9 is set is to be convenient to steam get in the funnel, can make material impurity and steam condensate (SC) leak down to get in the foreign material chamber 8 again simultaneously; As shown in Figure 1; Under the effect of back taper funnel 6, the inner chamber of explosion cylinder 1 is divided into material cavity 7 and 8 two chambeies, foreign material chamber, and material cavity 7 is communicated with through described grid hole 9 with foreign material chamber 8; Quick opening valve 5 is respectively equipped with air intake and discharging opening; When needs pressurize, through quick opening valve 5 steam is sent into and closed air intake in the explosion cylinder 1 then, through quick opening valve 5 discharging opening is opened rapidly again when pressurize finishes explosion, quick opening valve 5 can be controlled through computer.In order to improve changing effect; Also can inner casing 10 be set during practical implementation at explosion cylinder 1; The lower end of described inner casing 10 is arranged in back taper funnel 6, and the casing wall of inner casing 10 is provided with the air admission hole 11 that voltage supply power gas gets into, and is provided with the gap that voltage supply power gas passes through between said inner casing 10 and the explosion cylinder 1.
The course of work of the utility model is following:
Steam blasting device adds material in the explosion cylinder 1 by charging aperture 4 through artificial or machinery when handling biomass material, and water vapour or compressed air feed pressurization in the explosion cylinder 1 via the steam inlet on the quick opening valve 5.In to explosion cylinder 1, also storage cylinder 2 is filled vapour and pressurization in the pressurization, along with increasing of explosion cylinder 1 internal pressure, the pressure in the storage cylinder 2 also increases thereupon.According to the Engineering Thermodynamics principle, when explosion cylinder 1 internal pressure reached operating pressure, in explosion cylinder 1 internal pressure and the storage cylinder 2, loine pressure equates that system is in poised state, this was the vapour process of filling of storing cylinder 2.
When the operating pressure that reaches setting is carried out pressurize, the phase I of steam blasting process that Here it is---vapour phase infiltration (boiling) stage.In the vapour phase infiltration stage, hemicellulose and lignin are partly degraded in the living beings; Simultaneously, the softening and part degraded of the lignin of compound middle lamella has reduced the adhesion strength of fiber, and has produced class acid degradation, thermal degradation and the physical rupture of cellulose chain.Spurt mouthful (quick opening valve 5) when opening fast when pressurize finishes cavity charge containers, get into second stage---the explosion stage of steam blasting process.In the explosion stage, the explosion cylinder spurts outspoken speed to be opened, and at this moment, high steam and material in the explosion cylinder spurt at a high speed in the atmospheric pressure state, produces the explosion reaction, accomplishes the living beings explosion treatment.The steam discharge of storing cylinder then is to spurt the moment that outspoken speed is opened from explosion cylinder 1, and gases promote material and quicken to spray from spurting mouth, and material remaining in the steam blasting cylinder is discharged clean in nozzle 3 is regurgitated the explosion cylinder in the air reservoir 2.
This shows; Under predetermined operating pressure condition; According to the capacity of explosion cylinder, confirming that suitable explosion cylinder spurts under outspoken fast unfolding mode and the situation of spurting mouthful basal area (can calculate or realize with reference to relevant handbook through routine), employing has the steam blasting jar structure of storing cylinder; And select the associated arguments of the nozzle that reasonably storage cylinder volume, storage cylinder be communicated with the explosion cylinder interior; High steam and material in the explosion cylinder are spurted in the atmospheric pressure state with ultrasonic speed, produce the explosion reaction, improve the quality that steam blasting is handled.
The concrete operations of the utility model are the same with burst pressure jar commonly used; At first material is joined in the explosion cylinder 1 from charging aperture 4; Charging aperture is used the seal cover good seal, feed steam through the air intake on the quick opening valve 5 then, steam runs into back taper funnel 6 and is obstructed; Can only enter into uniformly in the explosion cylinder 1 through the grid hole 9 that is provided with on it again, make the material thermally equivalent of wherein compacting.
Also storage cylinder 2 is filled vapour and pressurization when in to explosion cylinder 1, feeding steam and pressurization; Along with increasing of jar internal pressure; Pressure in the storage cylinder 2 also increases thereupon; When explosion cylinder 1 internal pressure reaches operating pressure, in explosion cylinder 1 internal pressure and the storage cylinder 2, loine pressure equates that system is in poised state.Dwell time finishes, and is opened fast by the quick opening valve 5 of computer control, and at this moment, high steam and material in the explosion cylinder 1 spurt at a high speed in the atmospheric pressure state, produces the explosion reaction.Spurt the moment that outspoken speed is opened at explosion cylinder 1, gas promotes the material acceleration and sprays from spurting mouth, and material remaining in the steam blasting cylinder is discharged totally, completion biomass steam explosion treatment in nozzle 3 is regurgitated the explosion cylinder in the air reservoir 2.
The utility model does not relate to all identical with the prior art prior art that maybe can adopt of part to be realized.
Claims (5)
1. the steam blasting device of a twin-tub structure; It is characterized in that it comprises explosion cylinder (1) and storage cylinder (2); Storage cylinder (2) is sleeved on explosion cylinder (1); The casing wall of explosion cylinder (1) is provided with the nozzle (3) that is communicated with storage cylinder (2) inner chamber and explosion cylinder (1) inner chamber, and the upper cover of explosion cylinder (1) is provided with charging aperture (4), and the low head of explosion cylinder (1) is provided with quick opening valve (5); Set inside at explosion cylinder (1) has the back taper funnel (6) that has grid hole (9); Back taper funnel (6) is divided into (8) two chambeies of material cavity (7) and foreign material chamber with the inner chamber of explosion cylinder (1), and material cavity (7) and foreign material chamber (8) are communicated with through described grid hole (9), and quick opening valve (5) is respectively equipped with air intake and discharging opening.
2. the steam blasting device of twin-tub structure according to claim 1 is characterized in that described nozzle (3) is arranged near explosion cylinder (1) upper position place.
3. the steam blasting device of twin-tub structure according to claim 1 is characterized in that described nozzle (3) diameter is 1～20mm.
4. the steam blasting device of twin-tub structure according to claim 1 is characterized in that the injection direction of described nozzle (3) is downward, and the inclination angle of its axial line and the explosion inside wall of cylinder is 15 °～90 °.
5. the steam blasting device of twin-tub structure according to claim 1; It is characterized in that described explosion cylinder (1) is provided with inner casing (10); The lower end of described inner casing (10) is arranged in back taper funnel (6); The casing wall of inner casing (10) is provided with the air admission hole (11) that voltage supply power gas gets into, and is provided with the gap that voltage supply power gas passes through between said inner casing (10) and the explosion cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201667442U CN202099647U (en) | 2011-05-24 | 2011-05-24 | Steam explosion device with double-cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201667442U CN202099647U (en) | 2011-05-24 | 2011-05-24 | Steam explosion device with double-cylinder structure |
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| Publication Number | Publication Date |
|---|---|
| CN202099647U true CN202099647U (en) | 2012-01-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201667442U Expired - Fee Related CN202099647U (en) | 2011-05-24 | 2011-05-24 | Steam explosion device with double-cylinder structure |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261005A (en) * | 2011-05-24 | 2011-11-30 | 南京农业大学 | Steam explosion device with double cylinders |
| CN103583994A (en) * | 2013-11-06 | 2014-02-19 | 河南科技学院 | Whole-grain corn flakes cured by adopting steam explosion and production method thereof |
| CN106592308A (en) * | 2017-01-05 | 2017-04-26 | 新疆弘瑞达纤维有限公司 | Gas explosion processor |
-
2011
- 2011-05-24 CN CN2011201667442U patent/CN202099647U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261005A (en) * | 2011-05-24 | 2011-11-30 | 南京农业大学 | Steam explosion device with double cylinders |
| CN102261005B (en) * | 2011-05-24 | 2013-05-15 | 南京农业大学 | Steam explosion device with double cylinders |
| CN103583994A (en) * | 2013-11-06 | 2014-02-19 | 河南科技学院 | Whole-grain corn flakes cured by adopting steam explosion and production method thereof |
| CN106592308A (en) * | 2017-01-05 | 2017-04-26 | 新疆弘瑞达纤维有限公司 | Gas explosion processor |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20130524 |