CN103003410A

CN103003410A - Biogas system

Info

Publication number: CN103003410A
Application number: CN201180032803XA
Authority: CN
Inventors: 塞缪尔·卡斯特罗; 米瑞克·卡斯特罗
Original assignee: SIMGAS BV
Current assignee: SIMGAS BV
Priority date: 2010-06-30
Filing date: 2011-06-30
Publication date: 2013-03-27
Anticipated expiration: 2031-06-30
Also published as: AP3498A; AP2013006688A0; WO2012002813A1; CN103003410B; NL2005004C2

Abstract

The invention relates to a biogas system comprising an elongated tank forming an elongated internal digester chamber, wherein in its longitudinal direction the tank comprises in series a front end section, multiple intermediate sections and a back section that bound the digestion chamber, wherein the front end section, the intermediate sections and the back section comprises flanges that are coupled against each other.

Description

Bionethanation system

Technical field

The present invention relates to bionethanation system.Bionethanation system comprises the digestion chamber, is used for holding the mixture (being called raw material) of fertilizer and other biological degradable thing, and this mixture partly is dissolved in the water, to produce methane gas.Methane gas can be used for family or back yard industry purpose.

Background technology

Known bionethanation system is made up by fragment of brick and forms.Because the encapsulation methane gas must have airtight fragment of brick dome, need to there be skilled bricklayer in the construction site, even and skilled bricklayer also need several weeks just can build up a bionethanation system, before making up, need heavy fragment of brick is fed to the construction site.Need to design respectively the fragment of brick bionethanation system for each size and each place.In case in place, its size just is fixed up.

The bionethanation system that can provide with efficient manner is provided.

The object of the present invention is to provide can be by the bionethanation system of roustabout's assembling.

The object of the present invention is to provide the bionethanation system that to expand easily.

Summary of the invention

The invention provides bionethanation system, the tank that comprises the elongation of the digestion chamber, inside that forms elongation, wherein on its longitudinal direction, this tank sequentially comprises the fore-end that crosses this digestion chamber, a plurality of middle portion and rear portion, and wherein fore-end, middle portion and rear portion comprise the flange that couples mutually.

Can provide as the part of separating according to bionethanation system of the present invention, described part is assembled by flange is coupled to each other subsequently together.This can finish by the roustabout.

In one embodiment, described middle portion comprises a plurality of interludes, they be arranged on continuously this tank longitudinal axis around, wherein at junction end place, described interlude comprises the flange that couples mutually.Described middle portion can be in the building site by formation that its flange is coupled to each other.Described interlude can be transported to the assembling building site with compact way.

In the above-described embodiment, described tank can be expanded its length by the middle portion that necessary amount is provided.

In one embodiment, described interlude comprises deformable sealed strip, and itself and described flange integrally form, and wherein said deformable is extended obliquely from described flange, and its far-end is towards described digestion chamber.This deformable sealed strip is directed from flange towards the digestion chamber, and the relative flange that couples in abutting connection with needs with its far-end.Raw material in the digestion chamber can pass through coupling between the flange, until sealed strip, and thus its accumulation and be further closed and couple gap possible between the flange.

In one embodiment, bionethanation system is included in the propagation chamber of tank first half top, and this tank first half separates with described digestion chamber and only is connected with described digestion chamber fluid via exit passageway.Propagation chamber can store the sub-fraction mixture, and it is discharged from the digestion chamber via exit passageway owing to the generation of methane gas.The amount of discharge section can remain on the methane gas that produces under the certain pressure.

In one embodiment, propagation chamber is at upper side opening, thus by the level of mixture in the visual attention propagation chamber, can easily obtain the level of the methane gas that produces.

In one embodiment, in the horizontal direction, the upside of opening is larger than described exit passageway.

In one embodiment, propagation chamber crosses by the circle wall of vertically extending from described tank.This circle wall can provide with the tank that needs are assembled on it.

In one embodiment, described circle wall comprises the upper limb that freely extends, and it crosses the upside of the opening of described propagation chamber.

In one embodiment, described circle wall comprises the wall section, and described wall section is coupled to each other, and wherein the transition between described wall section preferably conforms to transition between described middle portion.Described wall section can easily be expanded with middle portion.

In one embodiment, described tank comprises the upper wall of the downside of the upside that crosses described digestion chamber and propagation chamber, and wherein said exit passageway extends downwardly in the described digestion chamber from described upper wall.The downside of exit passageway determines the maximum height of the methane gas body in the digestion chamber thus.Prevent that so too much mixture from discharging towards propagation chamber, prevent also that thus the gaseous tension of methane gas from exceeding the specification value of gas apparatus, described gas apparatus reclaims methane from the digestion chamber.

In one embodiment, in vertical direction, the described flange at the junction end place of described middle portion all extend in described exit passageway bottom under, flood in the raw material continuously thereby couple flange.Thus, guaranteed the above-mentioned sealing function of the raw material between the flange.

In one embodiment, described tank comprises the upper wall of the upside that crosses described digestion chamber, and extends downwardly into access road in the described digestion chamber from described upper wall, and wherein said access road is spaced apart with described exit passageway on the longitudinal direction of described tank.Inlet is so that methane gas can be enclosed in the inside, digestion chamber, and simultaneously more raw material still can be inserted in the digestion chamber.

In one embodiment, described exit passageway separates with described propagation chamber, and wherein said exit passageway preferably extends upward by the circle wall that is positioned at described propagation chamber the inside.

In one embodiment, on downward direction, described access road deeper extends to the inside of described digestion chamber than described exit passageway, and unnecessary methane gas will only be overflowed via exit passageway thus, thereby keeps inlet zone without methane gas.

In constructive powerful embodiment, the tank of described centre partly forms the cylindrical circumferential wall of described tank.

In optional embodiment, described tank comprises the tank first half and tank Lower Half, it has horizontally extending flange, described flange is coupled to each other, the wherein said tank first half sequentially comprises sinciput section, a plurality of middle top sections and rear top section, and it has vertically extending flange, and described flange is coupled to each other, wherein said tank Lower Half comprises continuous section of the front end, section of a plurality of middle ends and posterior basal segment, and it has flange extending vertically and that be coupled to each other.

In one embodiment, described middle top section and section of the middle end are identically formed, and these sections can be made with efficient manner thus.

In one embodiment, described part comprises the continuous insertion chamber along described flange, and the insertion chamber of the wherein said flange that couples is straight each other relatively to be arranged, and wherein common elastic sealing element is inserted in the relative insertion chamber.Insert and flange that the elastic sealing element of sealing couples along the length sealing, thereby so that the methane gas of mixture and generation (at least to a great extent) keep being enclosed in the digestion chamber.

In one embodiment, described part is included in the wall part between the described flange, and the U-shaped that is used for sealing between described wall part and its flange inserts section, wherein said wall part is connected to the back side that described U-shaped inserts section, and described flange forms the continuous section that described U-shaped inserts a leg of section.U-shaped inserts section and forms clearly vision indication for the desired location of sealing, thereby guarantees that sealing can place in the expection mode.

In one embodiment, described elastic sealing element comprises the base band of elongation, and it has the sealing wing along this base band length, and the described wing extends from the side of base band.

Especially, described base band and the sealing wing are configured to the arrow of outside finger in cross section.The expection direction of insertion of described arrow indicator seal.

In one embodiment, described flange couples by a plurality of coupling devices, described coupling device distributes equably along described flange, wherein said coupling device comprises and couples pin, this couples pin has coupling and couples axle from what described coupling extended, wherein said flange comprises the hole of many group alignment, and the described axle that couples inserts in the described hole.

In one embodiment, described coupling device comprises the wedge shape part with two wedge legs, between two wedge legs, holding the described axle that couples, and wherein said wedge leg and couple axle and comprise a series of lock-in edge that tilt with respect to the longitudinal axis of described axle.By promoting the wedge shape part towards described axle, can couple axle and further enter between the wedge leg and tighten coupling device by making.The lock-in edge of a series of inclinations against each other provide the wedge shape part transverse to the sliding motion that couples the axle longitudinal direction to coupling in the conversion that tightens motion that couples on the longitudinal direction of axle towards the wedge shape part.

In one embodiment, described lock-in edge barb ground is shaped, so that described axle can be contained between the described wedge leg, and stops disengaging.Like this, coupling device can be by the locking phase mutual effect between lock shaft and the wedge shape part one-step installation.

When coupling has the shape of projection and is configured to when the wedge shape part tightens when setovering than even shape, the flange that is coupled to each other can be setovered towards each other.

In a preferred embodiment, described part or section or coupling device are made by plastics (preferably HDPE).

If possible, described in the specification sheets and shown in different aspect and feature can use separately.Aspect described in the aspect that these are independent, especially the application's the dependent claims and feature can be used as the theme of divisional patent application.

Description of drawings

The present invention will illustrate based on example embodiment shown in the drawings, wherein:

Fig. 1 surveys view according to the axle that waits of modularization tank for sewage gas of the present invention;

Fig. 2 surveys view according to the axle that waits of the tank for sewage gas of Fig. 1, and its middle and upper part is removed;

Fig. 3 surveys view according to the axle that waits of the tank for sewage gas of Fig. 2, and the some of them sidepiece is removed;

Figure 4 and 5 are the side-views according to the tank for sewage gas of Fig. 1, and it is used for different example purposes;

Fig. 6 is the rear view according to the tank for sewage gas of Fig. 1;

Fig. 7 A and 7B are tank for sewage gas at the first cross-sectional view that couples of position shown in Figure 2 and wait axle survey view;

Fig. 8 is that tank for sewage gas is at the second cross-sectional view that couples of position shown in Figure 2;

Fig. 9 A is in position shown in Figure 3, the cross-sectional view of two wall sections and sealing;

Fig. 9 B surveys view according to the axle that waits of the sealing member of Fig. 9 A;

Figure 10 is in position shown in Figure 2, the cross-sectional view of the wall of tank for sewage gas;

Figure 11 A surveys view according to the axle that waits of the second modularization tank for sewage gas of the present invention;

Figure 11 B is the exploded view according to the modularization tank for sewage gas of Figure 11 A;

Figure 12 is the longitdinal cross-section diagram according to the tank for sewage gas of Figure 11 A, and it is used for different example purposes;

Figure 13 is the cross-sectional view according to the modularization tank for sewage gas of XII-XII line among Figure 11 A;

Figure 14 A is the detail view according to the modularization tank for sewage gas of the round XIII among Figure 13;

Figure 14 B is the exploded view according to the modularization tank for sewage gas of Figure 14 A;

Figure 15 A surveys view for the axle that waits of the 3rd coupling device of tank for sewage gas;

Figure 15 B is the exploded view that couples according to Figure 15 A;

Figure 16 is the detail view according to the modularization tank for sewage gas of the round XV among Figure 11 A;

Figure 17 is the cross-sectional view according to the modularization tank for sewage gas of XVI-XVI line among Figure 16; And

Figure 18 be for the 4th of the alternative tank for sewage gas of the modularization tank for sewage gas of Fig. 1 or Figure 11 A couple etc. axle survey view.

Embodiment

Fig. 1,4 and 6 expressions are according to the first modularization tank for sewage gas 1 of the present invention.The tank for sewage gas 1 of elongation is used for the mixture (being called raw material) of digestion fertilizer and biologically degradable matter, and it is partly dissolved in the water, under low pressure to produce methane.

Tank for sewage gas 1 comprises that

end section

40,41,42 and posterior basal segment 30 in the middle of the section of the front end 20, three, sinciput section 50, three center top divide 70,71,72 and rear top sections 60, and they couple along its limit, to cross airtight digestion chamber 2.Tank for sewage gas 1 also is included in two

vertical side walls

80,82, vertical front wall 81 and the rear vertical wall 83 on the

top section

50,70,71,72,60, and with the propagation chamber 3 that crosses opening, it has overflow port 84 atop above digestion chamber 2.Rear top section 60 has access road 5, and it extends to the vertical shaft 90 on propagation chamber 3 sides.Sinciput section 50 has exit passageway 4, and it is communicated with between digestion chamber 2 and propagation chamber 3.Described section will discuss in more detail hereinafter, wherein with reference to the horizontal symmetrical face U of tank for sewage gas 1 outer shape, vertical vertical symmetry plane V and horizontal vertical symmetry plane W.

Section of the front end 20, posterior basal segment 30, sinciput section 50 and rear top section 60 have identical outer shape, and hereinafter with reference sinciput section 50 is described.

Sinciput section 50 comprises the top wall portion 59 that is parallel to horizontal symmetrical face U extension, straight front wall section 51 and two straight sidewall sections 53 of elongation, they form together the case shape and strengthen structure, second subquadrate straight front wall section 52, its centre from the front wall section 52 of elongation outwards erects, the front wall section 54 of two projections, it extends between the front wall section 51 of square front wall section 52 and elongation, with the sidewall sections 55 of two projections, it is below straight sidewall sections 53.

Sinciput section 50 also comprises the first flange 56, it extends in horizontal symmetrical face U along straight front wall section 51 and

concave wall part

54,55, the second flange 57, it extends along the sidewall 55 of projection and straight sidewall 53, with the 3rd flange 58, it extends along straight roof 59, both is parallel to horizontal vertical symmetry plane W.

Section of the

middle end

40,41,42 and middle

top section

70,71,72 are of similar shape, and it is described with reference to the top of second among the figure 3 section 81.

The second top section 81 comprises straight rectangular top wall 73 and two subquadrate straight sidewalls 74 of outwards giving prominence to from roof 73.The second top section 80 also comprises the first flange 75, and its downside along sidewall 74 in horizontal symmetrical face U extends the second flange 76, extend its side along sidewall 74, with the 3rd flange 77, extend its side along roof 73, both is parallel to horizontal vertical symmetry plane W.Along the short angle side of roof 73, top section 81 comprises vertical insertion section 78, and

vertical side wall

80,82 is inserted into wherein.

Fig. 9 A at length represents the second flange 57 of section of the front end 20 and the second flange 76 of the first central bottom 40, they by identical the first coupling device 100 keep mutually against, described the first coupling device illustrates in greater detail in Fig. 7 A.Described coupling device 100 evenly distributes along all flanges, with keep described flange and thus described section on their whole length tightly against each other.

Shown in Fig. 9 A, end section 40 all has U-shaped section 11 in the middle of the section of the front end 20 and first, and its outside at tank for sewage gas 1 is connected to each

wall part

53,74 on each

flange

57,76, and is connected on the end flange 12 in the inboard of tank for sewage gas 1.U-shaped section 11 crosses elongation, continuous insertion chamber 10 along flange, and wherein elastic elongation sealing member 14 has been inserted into.Sealing member 14 before inserting is shown specifically in Fig. 9 B.Sealing member 14 comprises flexible base band 15, and it inserts chamber 10 for each and has sagittate flank 16, elongated flank 17 and hollow flank 18 on the both sides of base band 15.Base band 15 and

flank

16,17,18 are extruded and are formed by rubber (preferably nitrile rubber (NBR)) (being total to), and form the arrow head that points to inserting chamber 10 bottom direction.

So far, the shape of each section is symmetrical about plane of symmetry U, W, V.

The first coupling device 100 is included in circular hole 101 and the annular projection 102 on the second flange 76 of end section 40 in the middle of first in the second flange 57 of section of the front end 20, it is limited in the circular hole 101 as male and female connects, impels in an extremely simple manner and keeps

flange

57,76 mutually to align.In projection 102 the insides less hole 103 is arranged, it has lock-in edge 104.Coupling device 100 also comprises plastic latch rationed marketing 110, and it is shown specifically in Fig. 7 B.Stop pin 110 comprises the axle 112 of elongation and wider circular tack 111.Axle 112 comprises bevelled anterior 113, two recesses 114 of following elongated hole 115 on either side, and this elongated hole is divided into two elasticity, half one 116 with axle 112, and described elasticity half one has a plurality of lock-in edge 117 in the outside.Lock-in edge 104,117 be designed to so that stop pin 110 in the F direction is inserted into than aperture 103 after permanent locking immediately, this locking is merely able to by further pushing away on direction F or drawing and further fastening.

Fig. 8 represents optional the second coupling device 200.Coupling device 200 is included in identical circular hole 101 and the annular projection 102 on the second flange 76 of end section 40 in the middle of first in the second flange 57 of section of the front end 20, it is limited in the circular hole 101 as male and female connects, impels in an extremely simple manner and maintenance is alignd flange 57,76 mutually.In projection 102 the insides less hole 203 is arranged.Coupling device 200 also comprises plastic latch rationed marketing 210, and it has the axle 212 of elongation and wider circular tack 211.Axle 212 comprises bevelled anterior 213, two recesses 214 of following elongated hole 215 on either side, and this elongated hole is divided into two elasticity, half one 216 with axle 212, and described elasticity half one has a plurality of lock-in edge 217 in the outside.The second coupling device also comprises annular leaf spring or cup spring 220, and it has hole 218, and this hole has lock-in edge 204.Lock-in edge 204,217 be designed to so that stop pin 210 in the F direction is inserted into than aperture 103 after permanent locking immediately, this locking is merely able to by further pushing away on direction F or drawing and further fastening, the outer side of drawing by tup 300 for example, this tup is supported on the cup spring 217, with this cup spring 220 of setovering.

For every

section

20,30,40,41,42,50,60,70,71,72, projection 102 and hole 103 distribute along flange like this, so that on vertically extending flange, hole 103 changes in the projection 102, maybe opposite when by vertical vertical symmetry plane V, and for the horizontal-extending flange, when the opposite side considered at vertical vertical symmetry plane V, hole 103 and projection 102 are toward each other.Like this,

interlude

40,41,42,70,71,72 all still is of similar shape so that shown in Figure 3 such as any mid-way of being used for tank for sewage gas 1 of same interlude, the upset of A direction or on the B direction around its vertical axis revolution.In an identical manner, section 20 of the front end and posterior basal segment 30 still are of similar shape, with by transferring interchangeable last time around its vertical axis in C direction shown in Figure 3.

Sinciput section 50 also comprises rectangle outlet well 65 uniquely, and it exports 4 from roof 59 to downward-extension to define.Outlet well 65 has lower outlet edge 66, and it is parallel to the first flange 56 and extends above it.Rear top section 60 comprises rectangle entrance well 67 uniquely, to define entrance 5.Entry well 67 has lower inlet edge 68, and it is parallel to the first flange 56 and extends above it.In vertical direction, lower outlet edge 68 extend to lower inlet edge 66 below, exceed about 10 centimetres.Compare with outlet edge 66, the cross section of ingress edge 68 is less, falls in the digestion chamber 2 with the fragment that prevents raw material, no longer can take out at outlet 4 places.Sinciput section 50 and rear top section 60 all have

vertical insertion section

91,95, and wherein vertical front wall 81 and rear vertical wall 83 have been inserted into.

Section

20,30,40,41,42,50,60,70,71,72 is made by the HDPE of injection molding sealing nitrogen.The cross section of wall section is shown in Figure 10.The wall section therein heart surrounds nitrogen bubble, surrounds less nitrogen bubble at the place, both sides at center.The solid outer side of wall section does not have bubble.The bubble that surrounds provides the thermal isolation of digestion chamber 2.

The methanogenesis process of 2 the insides is explained with reference to figure 5 below in the digestion chamber.Digestion chamber 2 is by inserting the mixture of water and raw material via entry well 67 and filling fully, and at the highest level E place of some centimetres of distance domes, this dome forms by upper wall portion 59,73.Mixture begins to produce methane gas, and it is overflowed from mixture and keeps being trapped among in the digestion chamber 2, to press down the level of mixture.Minimum level D determines that by the height of the lower rim 66 of outlet well 65 because when level reaches lower rim 66, gas will be overflowed via outlet.In level decline process, the residue of mixture pushes in the propagation chamber 3 via outlet 5.The quality of the mixture of discharging is so that the methane gas that surrounds remains under the pressure, and this pressure is enough to methane gas is urged in the pipe 700, and this pipe is connected on the top side of digestion chamber 2.Overflow port 84 guarantees that mixture is discharged in a controlled manner when propagation chamber reaches its maximum horizontal.

The minimum level D of the mixture in the digestion chamber 2 occupy digestion chamber 2 cubic capacity 75%.Also namely, the cumulative volume of the methane gas of storage can be digestion chamber 2 cubic capacity 25%.Equally, the maximum volume of propagation chamber 3 be digestion chamber 2 volume 25%.Whole tank for sewage gas 1 can be only by increasing or removing some

identical interludes

40,70 and increase in proportion or reduce.Like this, above-mentioned plot ratio will keep identical.For this reason,

vertical side wall

80,82 is formed by interconnected sidewall sections, and the transition between this interconnection and top 50,70,71,72,60 conforms to.Interlude leading portion and back segment self can be stacking and nested, so that tank for sewage gas 1 can arrive with the packed and transported of compactness the place of its assembling and use.

Figure 11 A, 11B, 12 and 13 expressions are according to the second modularization tank for sewage gas 301 of the present invention.Tank for sewage gas 301 is assembled by each section, and its form will be described below.Section is made by injection molding HDPE, has on the whole substantially invariable wall thickness at them.As shown in figure 12, section crosses straight columniform digestion chamber 302 and propagation chamber 303, its with have identical function about Fig. 1, the first tank for sewage gas 1 described part of 4 and 6, adopt above-mentioned identical methanogenesis process.

Described section discusses in more detail below, wherein with reference to the horizontal symmetrical face U of the profile of optional tank for sewage gas 301, vertically vertical symmetry plane V and horizontal vertical symmetry plane W.

Figure 11 B represents with exploded view, tank for sewage gas 301 comprises section of the semicircle front end 320 and semicircle sinciput section 350, and they form the circular front end lid 351 of digestion chamber 302 together, and semicircular rear top section 360, it forms the rounded back end lid 361 of digestion chamber 302 together, shown in Figure 11 A.Section of the front end 320, posterior basal segment 330, sinciput section 350 and rear top section 360 are of similar shape, and it is described with reference to sinciput section 350 hereinafter.Sinciput section 350 comprises the wall section 352 of wedge shape, projection, and it is extended to and radially strengthens in rib 353, the first flange 356 in horizontal symmetrical face U and 352 semicircle circumference extends surfacewise the second flange 357.Sinciput section 350 has the recessed connection 354 for waste pipe.

Shown in Figure 11 B, 343,344,345 and three middle tops of section, 340,341,342, three the second middle ends of end section section 370,371,372 in the middle of optional tank for sewage gas 301 has three first.End section 340,341,342 and the second section of the middle end 343,344,345 are of similar shape in the middle of first, and it is described with reference to the first section of the middle end 340 of front below.End section 340 comprises arcuate wall 373 in the middle of first, and as shown in figure 13, it has described the rounded section of 105 degree of digestion chamber 302.End section 340 has the first radially extending flange 375 in the middle of first, its downside along arcuate wall 373 in vertical vertical symmetry plane V extends, the second radially extending flange 376, its upside along arcuate wall 373 extends, be parallel to vertical equity plane of symmetry U, with the 3rd radially extending flange 377, its arcuate side along arcuate wall 373 is extended, and is parallel to horizontal vertical symmetry plane W.In arcuate wall 373, form circumference and strengthen rib 501.

Shown in Figure 11 B and 13, in the middle of three top section 370,371,372 each include arcuate wall 502, it has described 150 degree cross sections of cylindrical digestion chamber 302.Top section 370-372 has the first radially extending flange 503 in the middle of each, extend its first lower end along arcuate wall 379, be parallel to horizontal symmetrical face U, the second radially extending flange 504, extend its second lower end along arcuate wall 502, is parallel to vertical equity plane of symmetry U, and the 3rd radially extending flange 505, its arcuate side along arcuate wall 502 is extended, and is parallel to horizontal vertical symmetry plane W.In arcuate wall 502, form circumference and strengthen rib 506.

Top section 371 has exit passageway 304 in the middle of first, and it is communicated with between digestion chamber 302 and propagation chamber 303.The 3rd top section 373 has access road 305.As shown in the first tank for sewage gas 1, to compare with exit passageway 304, access road 305 deeper extends in the digestion chamber 303.

Shown in Figure 11 B, tank for sewage gas 301 comprises a plurality of identical shaped vertical wall sections 380.Two vertical wall sections 380 are arranged near the front end end cover 351, to form vertical front wall 381.Two vertical wall sections 380 are arranged near the rear end cap 361, to form rear vertical wall 383.Between vertical front wall 380 and rear vertical wall 383, in the middle of being arranged on, six vertical wall sections 380 push up on every side of section 370,371,372, to form respectively two vertical side walls 385,386.Antetheca 381, rear wall 383 and sidewall 385,386 define the propagation chamber 303 of opening together.Four vertical wall sections 380 form tetragon perpendicular hole 390, and it vertically extends access road 305 by propagation chamber 303.Vertical wall section 380 comprises the flange along excircle, to couple mutually described section 380.Flange in the bottom side is connected on the supporting flang 378 that extends from top section 370,371,372.When tank for sewage gas 301 extends by extra interlude, can increase extra vertical wall section 380 correspondingly to scale up or to extend propagation chamber 303.

Shown in Figure 16 and 17, middle end section 340-345 and middle top section 370-372 have the U-shaped section 311 of thin-walled, and it is positioned at from the transition position of arcuate wall to the three flanges.The open end-face of U-shaped section 311 is to adjacent segment, front end end cover 351 or rear end cap 361.Front end end cover 351 and rear end cap 361 have such U-shaped section 311 along its circumference.U-shaped section 311 defines elongation, continuous insertion chamber 310 along flange, and it keeps elasticity, elongation under assembled state sealing member 314 is similar to shown in Fig. 9 B like that.The sealing member 314 of elongation is sealed between the interlude and the outside vertical connection between interlude and the end cap 351,361.

Figure 16 at length represent two adjacent in the middle of two the first flanges 503 of top section 371,372, shown in the middle of the top section be arranged on two adjacent sections of the middle end 341,342 two the second flanges 376 above.Flange 503,376 has hole aligned with each other 403, thereby so that middle top section and centre end section can be held against mutually by the 3rd identical coupling device 400.Figure 14 A, 15A and 15B represent in the 3rd coupling device 400, one the second flange 376 that relates to end section 341 in the middle of first coupling to the first flange 503 of one of the centre section of top 371.The 3rd coupling device 400 illustrates in greater detail in Figure 15 A and 15B.

The 3rd coupling device 400 is made of plastics, for example HDPE or firmer plastics, and comprise stop pin 410 and wedge shape part 430, this wedge shape part locks onto on the stop pin 410 at locking direction G.Stop pin 410 has the axle 412 of rectangle elongation, near, its dimensioning is used for being slidingly matched by the hole 403 of the alignment of the interconnected adjacent ribs of needs, with in the projection at an end place of axle 412 411, its dimensioning is used for abutting against the enhancing rib around the hole 403.From the beginning 411 when observing, and axle 412 comprises leader 413, middle portion 414 and foot 415 subsequently.Narrow middle portion 414 has recessed side 418, and it is parallel to locking direction G and extends.On the direction transverse to locking direction G, the width dimensions of the gap ratio leader 413 of recessed side 418 is little.Foot 415 has the width that is similar to leader 413.Leader 413 in case direction of insertion H be inserted into hole 403 interior after, then near the inwall in hole 403, with respect to its alignment stop pin 410.Middle portion 414 and foot 415 extend through hole 403 and are passing from hole 403 with 411 relative flange side.

Stop pin 410 has dentation the first lock-in edge 416 in the recessed side 418 of narrow middle portion 414.The first lock-in edge 416 is extended at the longitudinal direction of the axis of elongation 412, is parallel to direction of insertion H and transverse to locking direction G.The barb that vertically edge 416 forms towards locking direction G.Foot 415 comprises dentation the second lock-in edge 417, and it stretches out from two recessed sides 418.The second lock-in edge 417 subsequently tilts at locking direction G, facing to direction of insertion H.The first lock-in edge 416 is incorporated into the second lock-in edge 417.The barb that the second lock-in edge 417 forms towards locking direction G, and facing to direction of insertion H inclination.

Wedge shape part 430 comprises the first wedge leg 431 and the second wedge leg 432 that is parallel to each other.At one end, it is interconnection that wedge leg 431,432 passes through bridge section 433, to form the U-shaped body 434 that wherein has spatial accommodation 439, is used for receiving stop pin 410.In opposed facing side, wedge leg 431,432 has dentation the 3rd lock-in edge 435, and its direction of insertion H that is parallel to stop pin 410 extends.The 3rd lock-in edge 435 form facing to locking direction G towards barb.U-shaped body 434 have for the smooth top surface 436 of an adjacency of the interconnected flange of needs, it is facing to 411 of stop pin 410.At place, the side of U-shaped body 434, this side is back to the interconnected flange of needs, and wedge leg 431,432 has inclined surface 437, and described inclined surface dwindles gradually on locking direction G or assembles towards smooth top surface 436.Have dentation the 4th lock-in edge 438 along inclined surface 437, its be formed on respect on the reverse direction of locking direction G towards barb.

For the flange of two adjacent segment coupling optional tank for sewage gas 301, at first stop pin 410 is in direction of insertion H is inserted into an aligned hole 403 of adjacent ribs.Make 411 to contact with enhancing rib around the hole 403.By stop pin 410 narrow middle portion 414 and foot 415, it 403 stretches out facing to 411 the other end from the hole, wedge shape part 430 can locking direction G be placed on stop pin 410 around, it is wedged between ledge surface and the foot 415 thus.

Shown in Figure 14 A, the first lock-in edge 416 of stop pin 410 and the second lock-in edge 419 mesh with the 3rd lock-in edge 435 of wedge shape part 430 reversings and the 4th lock-in edge 438 of reversing respectively.As the result of engagement, wedge shape part 430 is merely able to advance at locking direction G, and motion is in the opposite direction then stoped by lock-in edge 416,419,435,438 barb shape.By further the promotion or pulling wedge shape part 430 on locking direction G, the lock-in edge 416,419,435 of engagement, 438 mutual sour jujubes are combined, and wedge shape part 430 further is wedged between foot 415 and hole 403 ledge surface on every side.Because wedge leg 431,432 wedge shape part shape, be positioned at a thickness of the wedge of 411 vertical lower 434 along with wedge shape part 430 on locking direction G motion and increase, further pulling foot 415 on direction of insertion H thus, and tighten 411 and foot 415 between the coupling of flange.Like this, projection 411 is biased to more smooth shape from its convex shape.

As shown in Figure 14B, the first flange 503 of the second flange 376 of section of the middle end 344 and middle top section 371 has respectively the first deformable seal bar 510 and the second deformable seal bar 511, and it is parallel to vertical equity plane of symmetry U and extends.Deformable seal bar 510,511 is 302 angularly outstanding from their each flanges 376,503 surface towards the digestion chamber.Tightening in the process of coupling device 400, flange 376,503 is spurred towards each other, makes thus sealed strip 510,511 be deformed into form shown in Figure 14 A.Sealed strip 510,511 forms two sealing members between flange 376,503, it prevents that methane gas from passing through horizontally extending connection 302 interior effusions from the digestion chamber between described section.Because it is enough high that the level of the raw material in the digestion chamber 302 keeps, to keep sealed strip 510,511 forever to bury in raw material, sealed strip 510,511 sealing effectiveness further increase, thereby so that raw material from against sealed strip 510, digestion chamber's 302 interior accumulations of 511.

The 3rd coupling device 400 evenly distributes along all flanges, with keep flange and thus described section on their whole length, lean on tightly mutually each other.By a plurality of the 3rd coupling devices 400, end section 340,341,342, the second section of the middle end 343,344,345 and middle top section 370,371,372 are assembled in the middle of first, forming annulus sections in the middle of three, it is formed on around the cylindrical digestion chamber 302 successively, the circle wall between front end end cover 351 and the rear end cap 361.Vertical wall section 380 is can also be alternatively interconnection by adopting coupling device shown in Fig. 7 A, 7B or 8.

Figure 18 represents the 4th, optional coupling device 600, and it can be used in the optional tank for sewage gas of the modularization tank for sewage gas of Fig. 1 or Figure 11 A, to couple any described section.The 4th coupling device 600 comprises plastic latch rationed marketing 610, and it has the circular shaft 612 of elongation and wider circular tack 611.Axle 612 comprises the blind hole 615 of bevelled anterior 613, elongation, and it is divided into two elasticity, half one 616 with axle 612, and it has a plurality of circumference lock-in edge 617 in the outside.

With Fig. 1,4 and 6 tank for sewage gas 1 similar mode, optional tank for sewage gas 301 comprises many identical shaped sections, so that can a same section overturn for any other suitable position of optional tank for sewage gas 301.And, can increase additional interlude to form the ring section of extending, it extends digestion chamber 302 in the vertical.

Be understandable that, comprise that above-mentioned explanation is for the operation of the example preferred embodiment for the present invention but does not limit scope of the present invention.From above-mentioned discussion as can be known, many distortion are obvious to those skilled in the art, and it comprises within the spirit and scope of the present invention.

Claims

1. bionethanation system comprises it is characterized in that the tank of the elongation that forms the elongated internal digestion chamber, on its longitudinal direction, this tank sequentially comprises the fore-end that crosses this digestion chamber, a plurality of middle portion and rear portion, and wherein, fore-end, middle portion and rear portion comprise the flange that couples mutually.

2. bionethanation system according to claim 1 is characterized in that, described middle portion comprises a plurality of interludes, they be arranged on continuously this tank longitudinal axis around, wherein at junction end place, described interlude comprises the flange that couples mutually.

3. bionethanation system according to claim 2 is characterized in that, described interlude comprises and the integrally formed deformable seal bar of described flange that wherein said deformable seal bar extends obliquely from described flange, and its far-end is towards described digestion chamber.

4. according at the described bionethanation system of front arbitrary claim, be included in the propagation chamber of tank first half top, it separates with described digestion chamber and is connected with described digestion chamber fluid via exit passageway.

5. bionethanation system according to claim 4 is characterized in that, described propagation chamber is at upper side opening.

6. bionethanation system according to claim 5 is characterized in that, in the horizontal direction, the upside of described opening is larger than described exit passageway.

7. each described bionethanation system is characterized in that according to claim 4-6, and described propagation chamber crosses by the circle wall of vertically extending from described tank.

8. according to claim 5 or 7 described bionethanation systems, it is characterized in that described circle wall comprises the upper limb that freely extends, upper limb crosses the upside of described propagation chamber opening.

9. according to claim 7 or 8 described bionethanation systems, it is characterized in that described circle wall comprises the wall section, described wall section is coupled to each other.

10. bionethanation system according to claim 9 is characterized in that, transition and the transition phase between described middle portion between described wall section are overlapping.

11. each described bionethanation system is characterized in that according to claim 4-10, described tank comprises the upper wall that crosses described digestion chamber upside and propagation chamber's downside, and wherein said exit passageway extends downwardly in the described digestion chamber from described upper wall.

12. with 12 described bionethanation systems, it is characterized in that according to claim 2, in vertical direction, all flanges at described middle portion junction end place extend to described exit passageway bottom under.

13. each described bionethanation system according to claim 4-12, it is characterized in that, described tank comprises the upper wall that crosses described digestion chamber upside, with the access road that extends downwardly into from described upper wall in the described digestion chamber, wherein spaced apart at the above access road of longitudinal direction and the described exit passageway of described tank.

14. according to claim 4 or 13 described bionethanation systems, it is characterized in that described exit passageway separates with described propagation chamber.

15. bionethanation system according to claim 14 is characterized in that, described exit passageway extends upward by the circle wall that is positioned at described propagation chamber the inside.

16. according to claim 4 or 13 described bionethanation systems, it is characterized in that, on downward direction, compare described access road with described exit passageway and deeper extend to the inside, described digestion chamber.

17. according at the described bionethanation system of front arbitrary claim, it is characterized in that described tundish partly form the cylindrical circumferential wall of described tank.

18. according at the described bionethanation system of front arbitrary claim, it is characterized in that, described tank comprises the tank first half and tank Lower Half, and it has horizontally extending flange, and described flange is coupled to each other, the wherein said tank first half sequentially comprises sinciput section, a plurality of middle top sections and rear top section, it has vertically extending flange, and described flange is coupled to each other, and wherein said tank Lower Half sequentially comprises section of the front end, section of a plurality of middle ends and posterior basal segment, it has vertically extending flange, and described flange is coupled to each other.

19. bionethanation system according to claim 18 is characterized in that, described middle top section and section of the middle end are identically formed.

20. according at the described bionethanation system of front arbitrary claim, it is characterized in that, described part comprises the insert continually chamber along described flange, the wherein said each other straight relatively setting of insertion chamber that couples flange, and wherein common elastic sealing element is inserted in the relative insertion chamber.

21. bionethanation system according to claim 20, it is characterized in that, described part is included in the wall part between the described flange, and the U-shaped that is used for described sealing between described wall part and its flange inserts section, wherein said wall part is connected to the back side that described U-shaped inserts section, and described flange forms the continuous section that described U-shaped inserts a leg of section.

22. according to claim 20 or 21 described bionethanation systems, it is characterized in that described elastic sealing element comprises the base band of elongation, it has the sealing wing along this base band length, and the described wing extends from the side of base band.

23. bionethanation system according to claim 22 is characterized in that, described base band and the sealing wing are configured to the arrow head that points to the outside in cross section.

24. according at the described bionethanation system of front arbitrary claim, it is characterized in that, described flange couples by a plurality of coupling devices, described coupling device distributes equably along described flange, wherein said coupling device comprises and couples pin, this couples pin has coupling and couples axle from what described coupling extended, and wherein said flange comprises the in groups hole of alignment, and the described axle that couples inserts in the described hole.

25. bionethanation system according to claim 24, it is characterized in that, described coupling device comprises the wedge shape part with two wedge legs, between two wedge legs, to hold the described axle that couples, wherein said wedge leg and couple axle and comprise a series of lock-in edge, described lock-in edge tilts with respect to the longitudinal axis of described axle.

26. bionethanation system according to claim 25 is characterized in that, described lock-in edge barb ground is shaped, so that described axle can be contained between the described wedge leg, and stops disengaging.

27. each described bionethanation system is characterized in that according to claim 24-26, described coupling has the shape of projection, and is configured to when described wedge shape part tightens towards setovering than even shape.

28. each described bionethanation system is characterized in that according to claim 24-27, described coupling device is made of plastics, and is preferably made by HDPE.

29., it is characterized in that described part or section are made of plastics, and are preferably made by HDPE according at the described bionethanation system of front arbitrary claim.