CN102072629A - Digestor for stewing solid material - Google Patents
Digestor for stewing solid material Download PDFInfo
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- CN102072629A CN102072629A CN 201110004082 CN201110004082A CN102072629A CN 102072629 A CN102072629 A CN 102072629A CN 201110004082 CN201110004082 CN 201110004082 CN 201110004082 A CN201110004082 A CN 201110004082A CN 102072629 A CN102072629 A CN 102072629A
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- solid material
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- tank body
- gas distribution
- distribution pipe
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Abstract
The invention relates to a digestor for stewing a solid material. The digestor for stewing the solid material comprises a tank body (1), a top convex sealing head (2), a solid material feeding port (3), a steam inlet (4), a bottom convex sealing head (5), a solid material discharging port (6), a water outlet (7), a first group of air distribution pipes (8) and an inverted-cone-shaped porous baffle plate (9), wherein the top convex sealing head (2) is arranged on the top of the tank body (1); the solid material feeding port (3) and the steam inlet (4) are arranged on the top convex sealing head (2); the bottom convex sealing head (5) is arranged at the bottom of the tank body (1); the solid material discharging port (6) and the water outlet (7) are arranged on the bottom convex sealing head (5); the first group of air distribution pipes (8) are arranged in the tank body (1) and are communicated with the steam inlet (4), so that steam can flow in the pipes; holes are formed on the pipe walls of the first group of air distribution pipes (8); the inverted-cone-shaped porous baffle plate (9) is arranged on the middle lower part in the tank body (1) and is used for blocking the solid material; and an included angle between the inverted-cone-shaped side wall of the inverted-cone-shaped porous baffle plate (9) and a horizontal line is more than a rest angle of the solid material.
Description
Invention field
The present invention relates to a kind of boiling vessel, more specifically, relate to the boiling vessel that solid material is carried out dehydration by evaporation.
Background technology
Patent CN1989227A discloses a kind of device that solid material is carried out boiling with steam, equipment but its complex structure, especially wherein make gas, liquid and solid equipment separated from one another will lean on the liquid separator of independent setting to carry out, this liquid separator comprises the porous turntable that is positioned at device inside or porous cone and antipriming pipe and the separating table that is positioned at bottom of device, wherein only antipriming pipe has played liquid-solid centrifugation, porous turntable and separating table have then seriously taken the inner space of device, and require porous turntable and separating table rotatable in this patent, then also need in device, be equipped with corresponding power-equipment and drive apparatus, and also to make these power-equipments and drive apparatus can tolerate the interior high temperature and high pressure of device, further make device complicated.In addition, in this patent, antipriming pipe only plays a role in the drainage, and the turnover of steam then will rely on along the device short transverse and be provided with a plurality of steam inlets and steam (vapor) outlet, and this also makes device complicated.
Still be necessary further to improve boiling vessel, so proposed the present invention.
Summary of the invention
The present invention relates to a kind of boiling vessel that solid material is carried out boiling, it comprises:
Tank body 1,
Be arranged on the top convex head 2 at tank body 1 top, which is provided with solid material charging aperture 3,
Be arranged on the described top convex head 2 or the steam inlet 4 on tank body 1 sidewall,
Be arranged on the bottom convex head 5 of tank body 1 bottom, which is provided with solid material discharging opening 6 and discharge outlet 7,
Place first group of gas distribution pipe 8 of tank body 1 inside, this first group of gas distribution pipe 8 is communicated with described steam inlet 4 so that steam flows in these pipes, and has the hole on the tube wall of this first group of gas distribution pipe 8, it is characterized in that,
Be provided with the back taper perforated baffle 9 that is used to block described solid material below in described tank body 1 inside, constitute water space 10 between this perforated baffle 9 and described bottom convex head 5 and the tank body 1, these perforated baffle 9 bottoms have the outlet (11) of discharging for solid material, and this outlet (11) communicates with described solid material discharging opening 6 or is positioned at described solid material discharging opening 6 tops.
The accompanying drawing summary
Fig. 1 is the schematic diagram of boiling vessel of the present invention.Wherein, left figure is the front view of boiling vessel of the present invention, and right figure is the sectional view in A-A cross section in the front view.
Accompanying drawing only is schematically, does not plan to limit the scope of the invention by any way.
Detailed Description Of The Invention
Boiling vessel of the present invention is used for solid material is carried out dehydration by evaporation.Described solid material is moisture solid matter, for example brown coal.All contain a large amount of moisture content in the natural brown coal.In preferred embodiments, described brown coal are the brown coal after excess temperature leaches greater than 30 ℃ water washing, and it also contains a large amount of moisture content, wishes to remove moisture content wherein.Described solid material is preferably bulk or graininess.
Describe the structure of boiling vessel of the present invention in detail with reference to Fig. 1.
Described tank body 1 can be any hollow container, and it can have any desirable shape.For example, described tank body can be cylindrical shell (cross section for circular, oval or other is irregularly shaped) or hollow prism (cross section is a polygon), is preferably cylindrical shell, because the cylindrical shell load performance is best.Described tank body 1 is used to hold some other parts of described solid material and described boiling vessel.
Be provided with top convex head 2 at the top of this tank body 1, which is provided with solid material charging aperture 3, on the described top convex head 2 or the sidewall of described tank body 1 be provided with steam inlet 4, be provided with in tank body 1 bottom the bottom convex head 5, which is provided with solid material discharging opening 6 and discharge outlet 7.These convex heads and described tank body are tightly connected.Described convex is any shape that bloats, so that pressure-bearing.In preferred embodiments, described convex is the part of sphere or ellipsoid.In a more preferred embodiment, described convex is hemispherical or semielliptical shape, because such shape load performance the best.Described solid material charging aperture 3 can be opened near the top or top of top convex head 2, its concrete form can be a pipeline, the one end is communicated to convex head inside, described top, its other end is connected to unshowned solid material supply equipment among Fig. 1, and the also preferred double as of this solid material charging aperture passes in and out the manhole of boiling vessel inside for the operator.Described steam inlet 4 can be on the optional position of described top convex head, perhaps be on the sidewall of tank body 1, its concrete form can be a pipeline, and the one end is communicated to convex head inside, described top, and its other end is connected to unshowned steam supply equipment among Fig. 1.Described solid material discharging opening 6 is opened near the top or top of bottom convex head 5, its concrete form can be a pipeline, the one end is communicated to convex head inside, described bottom, its other end opens wide or is connected to unshowned solid material collecting device among Fig. 1, also be provided preferably with drain 19 on the sidewall of this solid material discharging opening, its effect is to discharge the condensed water that accumulates in bottom convex head lowermost end.7 of described discharge outlet can be opened on the optional position of bottom convex head 5, preferably near the position of its lowermost end, so that fully discharge condensed water, its concrete form can be a pipeline, the one end is communicated to convex head inside, described bottom, and its other end opens wide or be connected to unshowned condensed water supply equipment among Fig. 1.
Described tank body 1 inside is placed with first group of gas distribution pipe 8, the pipeline shown in solid line among Fig. 1.This first group of gas distribution pipe 8 is communicated with described steam inlet 4 so that steam flows in these pipes, and has the hole on the tube wall of this first group of gas distribution pipe 8.The number of described first group of gas distribution pipe is at least one, is preferably many.Described first group of gas distribution pipe is preferably many pipes that are arranged in parallel with each other.Also preferred parallel is in the axis of described tank body for described first group of gas distribution pipe, but this not necessarily, and the axis certain angle that departs from tank body also is fine.Wherein between described steam inlet 4 and described first group of gas distribution pipe 8, be provided with first steam distributor (12), will be evenly distributed to from the steam of steam inlet in the every gas distribution pipe by this first steam distributor.This first steam distributor preferably is located at the position near the tank body top, but will and described top convex head top between leave certain distance.The tube wall of every gas distribution pipe all has a hole at least, preferably have many holes, the hole dimension in these holes is selected can prevent that solid material from entering to be as the criterion in the pipe in a large number, for example, described hole dimension is less than the minimum grain size of described solid material, to prevent that thoroughly the solid material in the tank body from entering in the pipe, the 1-2 of the minimum grain size that perhaps described hole dimension is described solid material doubly, because the bridging effect of solid material, also can only have seldom a part of solid material to enter in the pipe, be unlikely make a large amount of solid materials enter the pipe in and result in blockage.The lower end of described first group of gas distribution pipe is an opening, and this makes described first group of gas distribution pipe can also play the effect that the water in the solid material is excreted to digester bottom when playing the gas distribution effect.Described perforated baffle one segment distance is preferably left in the lower end of described first group of gas distribution pipe, and the benefit of doing like this is the steam of feeding is unlikely do not contact with solid material just directly just via drainage space and discharge outlet discharge.
Be provided with the back taper perforated baffle 9 that is used to block described solid material below in described tank body 1 inside, constitute water space 10 between this perforated baffle 9 and described bottom convex head 5 and the tank body 1, these perforated baffle 9 bottoms have the outlet (11) of discharging for solid material, and this outlet (11) communicates with described solid material discharging opening 6 or is positioned at described solid material discharging opening 6 tops.In preferred embodiments, the back taper sidewall of this perforated baffle 9 and horizontal angle are greater than the angle of repose of described solid material.In another preferred embodiment, hole on this perforated baffle 9 is less than the minimum grain size of described solid material, and the ultimate range between the peak of the back taper sidewall of this perforated baffle 9 and the inwall of described tank body 1 is less than the minimum grain size of described solid material, in case the solid material in the tank body 1 falls in the described water space 10 from the gap between this peak and tank body 1 inwall.This baffle plate it will be appreciated by those skilled in the art that described back taper perforated baffle needs not to be the back taper on the strict mathematical meaning, as long as can surround the top shape that opening is big and lower opening is little substantially.For example, allowing its left and right sides sidewall is being asymmetric on the front view or sidewall projection line on front view is not straight line but curve.Wherein said front view for example as shown in Figure 1.At described back taper perforated baffle is not under the situation of proper back taper, can require the tangent line at its sidewall each point place and the horizontal line angulation angle of repose greater than described solid material as required in preferred embodiments.The angle of repose of wherein said solid material is measured according to GB/T-18702-2002.Hole on this perforated baffle is used for the condensed water that digestion process produces is entered described water space, prevents that simultaneously solid material from entering described water space.In preferred embodiments, the outlet 11 that supplies the solid material discharge of described perforated baffle 9 bottoms and the distance between the described solid material discharging opening 6 are to three times of solid material maximum particle diameter, preferred two times, main purpose is that the solid material that allows water and leak the water space once in a while can be discharged water space 10.Boiling vessel of the present invention is when work, and described solid material preferably is loaded into the height near described first steam distributor or second steam distributor.
In a preferred embodiment of the invention, on described top convex head 2, also be provided with steam gateway 13 in addition, also be provided with second group of air feeding tube 14, pipeline as shown in phantom in Figure 1 in described tank body 1 inside.Between described steam gateway 13 and described second group of air feeding tube 14, be provided with second steam distributor 15, also have the hole on the tube wall of wherein said second group of gas distribution pipe (14).The number of described second group of gas distribution pipe is at least one, is preferably many.Described second group of gas distribution pipe is preferably many pipes that are arranged in parallel with each other.Also preferred parallel is in the axis of described tank body for described second group of gas distribution pipe, but this not necessarily, and the axis certain angle that departs from tank body also is fine.In preferred embodiments, described first group of gas distribution pipe 8 is parallel to each other and spaced apart with described second group of air feeding tube 14, and preferred equidistant intervals is arranged.When by described steam gateway from the boiling vessel outside to boiling vessel is inner when feeding steam, by second steam distributor (15) that is arranged between described steam gateway 13 and the described second group of gas distribution pipe 14 external steam is evenly distributed in the every gas distribution pipe, and then overflow so that solid material is heated in the hole from second group of gas distribution pipe.When needs by boiling vessel inside to boiling vessel outside drain steam when (being called vacuum flashing), collect the steam of boiling vessel inside by the hole on second group of gas distribution pipe, collected steam is pooled to described steam gateway 13 by second steam distributor, and then discharge boiling vessel, perhaps, in another kind of alternative embodiment, by second group of outside discharged steam of gas distribution pipe the time, also can make described discharge outlet 7 double as steam (vapor) outlets, the steam to be discharged that enter second group of gas distribution pipe this moment is discharged boiling vessel via water space 10 and discharge outlet 7 unobstructedly.This second steam distributor preferably is located at the position near the tank body top.The tube wall of every pipe of described second group of gas distribution pipe all has a hole at least, preferably have many holes, the hole dimension in these holes is selected can prevent that solid material from entering to be as the criterion in the pipe in a large number, for example, described hole dimension is less than the minimum grain size of described solid material, to prevent that thoroughly the solid material in the tank body from entering in the pipe, the 1-2 of the minimum grain size that perhaps described hole dimension is described solid material doubly, because the bridging effect of solid material, also can only have seldom a part of solid material to enter in the pipe, be unlikely make a large amount of solid materials enter the pipe in and result in blockage.The lower end of described second group of gas distribution pipe is an opening, and this makes described second group of gas distribution pipe also can play the effect that the water in the solid material is excreted to digester bottom.In preferred embodiments, the lower ending opening of described second group of gas distribution pipe (14) is communicated with hole on the described perforated baffle 9, so that directly water is entered in the described water space 10, and when described discharge outlet 7 is gone back the double as steam (vapor) outlet, also be convenient to make the steam to be discharged that enters second group of gas distribution pipe to discharge boiling vessel via water space 10 and discharge outlet 7 unobstructedly.The number of described second group of gas distribution pipe 14 can be less than or equal to the number in the hole on the described perforated baffle 9.Described second steam distributor also is arranged on the position near the tank body top, but will and the top of described top convex head between leave certain distance.In particularly preferred embodiments, make the minimum grain size of the hole dimension in second group of hole on the gas distribution pipe 14 less than described solid material, to prevent that thoroughly the solid material in the tank body from entering in the pipe, because under second group of gas distribution pipe 14 lower ending opening and situation that hole on the described perforated baffle 9 communicates, this can prevent effectively that any solid material from entering described water space 10.
In preferred embodiments, second group of gas distribution pipe 14 communicates with tank body 1 headroom by the adapter 18 that is arranged on the band pipe cap on second steam distributor 15, and described pipe cap stops solid material to enter second steam distributor 15.In preferred embodiments, on the convex head of described top, also be provided with safety valve, when the excessive situation of boiling vessel internal pressure occurring, can carry out release by this safety valve.
In preferred embodiments, by support 16 described first group of gas distribution pipe 8 and described second group of air feeding tube 14 are fixed in the tank body 1.Wherein fixed form can be selected arbitrarily.
In preferred embodiments, be provided with installation hole 20 in described tank body 1 central interior.This installation hole is used for entering installation and other maintenance operation that pipeline is carried out in boiling vessel inside for the operator.In this installation hole any pipeline can be set.But in order to improve the space utilization efficient of boiling vessel, in a more preferred embodiment, also be provided with some in first group of gas distribution pipe some and the second group of gas distribution pipe in the described installation hole, these pipes are fixed on the described support 16 removably.When needs overhaul, these pipelines of installing in the hole can be disassembled separately and extract out from described solid material charging aperture, then vacateed space for operator's work.
In preferred embodiments, on the position of any hope of described boiling vessel, can also be provided with instrumentation tap.
In preferred embodiments, also preferably be provided with material distributing cone 17 on described second steam distributor or first steam distributor, it is used to make the solid material that enters evenly to trickle down in boiling vessel.
But described steam gateway 13, described solid material charging aperture 3 or described discharge outlet 7 be the double as vacuum orifice also.
Each parts of described boiling vessel can adopt any suitable material to make.
Described first group of gas distribution pipe 8 and second group of gas distribution pipe 14 can be for having the pipeline of arbitrary section shape, and preferred cross-sections is circular.Its sectional dimension is as the criterion can make any solid particle that enters in managing fall and discharge gas distribution pipe from the gas distribution pipe bottom end opening along pipe unobstructedly.For example, be that caliber is preferably greater than the maximum particle diameter of solid material under the situation of circle in the cross section.In the cross section is under the non-circular situation, requires the maximum particle diameter of its minimum dimension greater than described solid material.
Advantage of the present invention is as follows:
Can realize coming with steam the function of drying solid material, and realize preferably the separation of steam, solid, liquid (being condensed water), namely, steam is imported and exported by steam and is discharged, condensed water separates with solid material by perforated baffle and discharges and the discharge of solid material process solid material discharging opening from discharge outlet, the discharge of these materials all is straightway, and does not interfere with each other each other.
Be provided with two groups of distributors, two groups of distributors all have cloth vapour, hydrophobic function, have simultaneously first group of distributor cloth vapour of use, second component cloth device collection vapour, steam discharge or hydrophobic. Especially can pass into superheated steam with first group of distributor, with second component cloth device steam discharge, realize the functions/drying to solid material. Collecting space 10 can be used as steam chest, exists in tank body in the situation of free water, by collecting space 10 steam discharges, more is conducive to free water is discharged.
Can realize the vacuum flashing dehydration of material;
Can keep the tank body temperature near saturated-steam temperature;
The resistance of the convection cell of equipment is littler;
Inner no rotatable part, so equipment is simple, cost is low, and is easy to maintenance.
Claims (16)
1. boiling vessel that solid material is carried out boiling, it comprises:
Tank body (1),
Be arranged on the top convex head (2) at tank body (1) top, which is provided with solid material charging aperture (3)
Be arranged on the described top convex head (2) or the steam inlet (4) on tank body (1) sidewall,
Be arranged on the bottom convex head (5) of tank body (1) bottom, which is provided with solid material discharging opening (6) and discharge outlet (7),
Place the inner first group of gas distribution pipe (8) of tank body (1), this first group of gas distribution pipe (8) is communicated with described steam inlet (4) so that steam flows in these pipes, and has the hole on the tube wall of this first group of gas distribution pipe (8),
It is characterized in that,
Be arranged on the back taper perforated baffle (9) that is used to block described solid material of the inner middle below of described tank body (1), constitute water space (10) between this perforated baffle (9) and described bottom convex head (5) and the tank body (1), this perforated baffle (9) bottom has the outlet (11) of discharging for solid material, and this outlet (11) communicates with described solid material discharging opening (6) or is positioned at described solid material discharging opening (6) top.
2. the boiling vessel of claim 1, the back taper sidewall of wherein said perforated baffle (9) and horizontal angle are greater than the angle of repose of described solid material.
3. the boiling vessel of claim 1, ultimate range between the inwall of the peak of the back taper sidewall of wherein said perforated baffle (9) and described tank body (1) is less than the minimum grain size of described solid material, and the hole on this perforated baffle (9) is less than the minimum grain size of described solid material.
4. the boiling vessel of claim 1 wherein is provided with first steam distributor (12) between described steam inlet (4) and described first group of gas distribution pipe (8).
5. the boiling vessel of claim 1, wherein on described top convex head (2), be provided with steam gateway (13) in addition, also be provided with second group of air feeding tube (14) in described tank body (1) inside, between described steam gateway (13) and described second group of air feeding tube (14), be provided with second steam distributor (15), also have the hole on the tube wall of wherein said second group of gas distribution pipe (14).
6. the boiling vessel of claim 5, wherein said first group of gas distribution pipe (8) are parallel to each other and arrange at interval with described second group of air feeding tube (14).
7. the boiling vessel of claim 5, the lower end of wherein said first group of gas distribution pipe (8) and described second group of air feeding tube (14) is an opening.
8. the boiling vessel of claim 5, the lower ending opening of wherein said second group of gas distribution pipe (14) is communicated with hole on the described perforated baffle (9), second group of gas distribution pipe (14) communicates with tank body (1) headroom by the adapter (18) that is arranged on the band pipe cap on second steam distributor (15), described pipe cap stops solid material to enter second steam distributor (15), and described perforated baffle (9) one segment distances are left in described first group of gas distribution pipe lower end.
9. the boiling vessel of claim 5 wherein is fixed on described first group of gas distribution pipe (8) and described second group of air feeding tube (14) in the tank body (1) by support (16).
10. the boiling vessel of claim 1, the outlet (11) of discharging for solid material of wherein said perforated baffle (9) bottom and the distance between the described solid material discharging opening (6) are to three times of solid material maximum particle diameter.
11. the boiling vessel of claim 1, the hole dimension in the hole on the hole on wherein said first group of air feeding tube (8) and the described second group of gas distribution pipe (14) is less than the minimum grain size of described solid material.
12. the boiling vessel of claim 1, wherein said convex are hemispherical or semielliptical shape.
13. the boiling vessel of claim 1 wherein is provided with in described tank body (1) central interior hole (20) is installed.
14. the boiling vessel of claim 13 also is provided with some in first group of gas distribution pipe some and the second group of gas distribution pipe in the wherein said installation hole (20), these pipes are fixed on the described support (16) removably.
15. the boiling vessel of claim 1 also is provided with material distributing cone (17) on wherein said first steam distributor (12) or second steam distributor (15).
16. the boiling vessel of claim 1, wherein said discharge outlet (7) double as steam (vapor) outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100040823A CN102072629B (en) | 2011-01-11 | 2011-01-11 | Digestor for stewing solid material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100040823A CN102072629B (en) | 2011-01-11 | 2011-01-11 | Digestor for stewing solid material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102072629A true CN102072629A (en) | 2011-05-25 |
| CN102072629B CN102072629B (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011100040823A Expired - Fee Related CN102072629B (en) | 2011-01-11 | 2011-01-11 | Digestor for stewing solid material |
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| Country | Link |
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| CN (1) | CN102072629B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991006617A1 (en) * | 1989-10-31 | 1991-05-16 | K-Fuel Partnership | Apparatus and process for steam treating carbonaceous material |
| CN1192771A (en) * | 1995-08-09 | 1998-09-09 | Kfx公司 | Method and apparatus for reducing by-products content in carbonaceous materials |
| US6249989B1 (en) * | 1997-03-05 | 2001-06-26 | Kfx Inc. | Method and apparatus for heat transfer |
| CN101126600A (en) * | 2007-06-26 | 2008-02-20 | 大唐国际化工技术研究院有限公司 | Dryer |
-
2011
- 2011-01-11 CN CN2011100040823A patent/CN102072629B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1991006617A1 (en) * | 1989-10-31 | 1991-05-16 | K-Fuel Partnership | Apparatus and process for steam treating carbonaceous material |
| CN1192771A (en) * | 1995-08-09 | 1998-09-09 | Kfx公司 | Method and apparatus for reducing by-products content in carbonaceous materials |
| US6249989B1 (en) * | 1997-03-05 | 2001-06-26 | Kfx Inc. | Method and apparatus for heat transfer |
| CN101126600A (en) * | 2007-06-26 | 2008-02-20 | 大唐国际化工技术研究院有限公司 | Dryer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102072629B (en) | 2012-11-21 |
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Address after: D, Xiao Lu 58A, 41 Stubbs Road, Hongkong, China Patentee after: Xu Bin Address before: 518000, Shenzhen, Guangdong, Luohu District Province spring road, Jia Jia garden, 15 A4 Patentee before: Xu Bin |
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Effective date of registration: 20160104 Address after: Virgin Islands of Tortola Patentee after: Print-Rite Construction Company Limited Address before: D, Xiao Lu 58A, 41 Stubbs Road, Hongkong, China Patentee before: Xu Bin |
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Granted publication date: 20121121 Termination date: 20200111 |