CN103237881A - Biogas system - Google Patents

Abstract

The invention relates to a biogas system comprising a cylindrical digestion vessel having a bottom wall, a first circumferential wall and a top opening to define a digestion chamber filled with a digestive mixture, and a cover having a top side, a second circumferential wall and a bottom opening to define a gas storage chamber, wherein the cover is inserted in the digestion vessel via the top opening with the bottom opening directed towards the bottom wall to capture gas that is released inside the digestion chamber, wherein the digestion vessel comprises first elongated guides and the cover comprises second elongated guides, wherein the first elongated guides are at least partly inserted into the second elongated guides.

Description

Bionethanation system

Technical field

The present invention relates to bionethanation system.Bionethanation system comprises the digestion chamber be used to the digestion mixture that holds muck and plant, and this mixture partly is dissolved in the water in order to produce methane gas.Methane gas can be used for the purpose of family expenses or back yard industry.

Background technology

Existing small size bionethanation system comprises cylindrical plastic bucket and barrel-shaped lid, and described bucket has the open top on its whole width, and barrel-shaped lid is inserted in the bucket via open top.Described lid floats on digestion mixture, and its opening is down in order to catch most of methane gas.Lid is connected to air hose in order to methane gas is supplied to the family expenses burner.Methane gas is by the building stones pressurization that is held on the floating cover top.

The defective of existing small size bionethanation system is that floating cover causes the top heavier by building stones, and lid is tumbled in bucket to a certain extent thus.Lid discharges some gases of catching thus or is stuck, so air pressure reduces immediately.When the digestion mixture level of bucket inside be elevated to be enough to will lid a part when promoting by open top, cover tumble especially unfavorable.Unreasonable when adaptive with the tolerance of inside diameter of vessel when the tolerance of lid external diameter, also may be stuck.

An object of the present invention is to provide a kind of bionethanation system of reliable operation.

An object of the present invention is to provide a kind of bionethanation system, it keeps methane gas pressure roughly the same.

Summary of the invention

According to first aspect, the invention provides a kind of bionethanation system, it comprises cylindrical digestion vessel and lid, described digestion vessel has diapire, first perisporium and open top, in order to limit the digestion chamber of being filled by digestion mixture, and described lid has for the top side that limits the gas storage chamber, second perisporium and bottom opening, wherein said lid is inserted in the digestion vessel via open top, the bottom opening of wherein said lid towards described diapire in order to catch the inner gas that discharges in digestion chamber, wherein first perisporium preferably includes the first cylindrical wall section that merges in the first elongated guide portion, this first elongated guide portion inwardly gives prominence in the longitudinal direction extension of first perisporium and with respect to the first cylindrical wall section, and wherein preferably, second perisporium comprises the second cylindrical wall section that merges in the second elongated guide portion, this second elongated guide portion inwardly concaves in the longitudinal direction extension of first perisporium and with respect to the second cylindrical wall section, in order to the elongated insertion space that can lead to from the outside is provided, the wherein said first elongated guide portion is inserted in the second elongated guide portion at least in part.

The cooperation of first and second guide parts makes to cover during catching gas and only slides up and down in digestion vessel inside, reduces jammed possibility thus.This can guarantee the reliable operation of bionethanation system.

In one embodiment, digestion vessel has constant wall thickness along the first cylindrical wall section and first guide part.Because first guide part is inwardly outstanding with respect to the first cylindrical wall section, first perisporium is provided with the stiffener of incorporating in the location of constant wall thickness.

In an one embodiment, digestion vessel has constant wall thickness along first perisporium and diapire.Therefore, digestion vessel has constant wall thickness on the whole at it, so that the advantage of manufacture view to be provided.

In one embodiment, first guide part has semicircle or U-shaped cross-section, thereby each first guide part has two wall portion sections, and these two wall portion sections merge to directly in the first surrounding wall portion section that extend on this guide part next door.

In one embodiment, first perisporium comprises slurry portion section and is positioned at the gas entrapment portion section of slurry portion section top, wherein said first guide part comprises end wall along the section extension of gas entrapment portion and in its bottom, and this end wall is having a distance to extend with respect to diapire.First guide part along gas entrapment portion section extend in case during gas entrapment pilot cap.First guide part stop in a distance of distance diapire in case optimize the digestion chamber at slurry portion section place the size of (gas mainly produces at this).

In an one compact embodiment, bionethanation system comprises inlet tube, and end wall is extended and passed through in its inside at one of first guide part.First guide part provides some spaces when being embodied as hollow, and this space utilizes best by making inlet tube pass through first guide part.

In an one embodiment, inlet tube fully extends in the inboard of the first cylindrical wall section periphery, and inlet tube is incorporated in the digestion vessel fully thus.

In one embodiment, bionethanation system comprises the buccal funnel of going into that is connected to described inlet tube, wherein goes into buccal funnel and includes a mouthful opening, and this entrance opening extends in the outside of the first cylindrical wall section periphery at least in part.Reach the entrance opening easily from the outside, to fill digestion vessel with digestion mixture.

In the embodiment of a compactness, bionethanation system comprises outlet pipe, and end wall is extended and passed through in its inside at one of first guide part.First guide part provides some spaces when being embodied as hollow, and this space utilizes best by making outlet pipe pass through first guide part.

In an one embodiment, outlet pipe fully extends in the inboard of the first cylindrical wall section periphery, and outlet pipe is incorporated in the digestion vessel fully thus.

In one embodiment, bionethanation system comprises the discharging extension that is connected to outlet pipe, wherein said discharging extension comprises the discharging edge, and it extends in the outside of the first cylindrical wall section periphery at least in part, in order to can discharge unnecessary mixture in a controlled manner.

In one embodiment, end wall merges in the mouth of pipe, and this mouth of pipe extends towards diapire in the inside of digestion chamber, and wherein said inlet tube or outlet pipe are inserted in the described mouth of pipe.Fix the position of tubular stinger by this way.

In an one embodiment, the mouth of pipe comprises the connection section section at the side place towards described diapire, and this connection section section is provided with the indent crush rib, and wherein said crush rib engages with tubular stinger.The fixing of tubular stinger guaranteed in connection between the fastening mouth of pipe of above-mentioned crush rib and the tubular stinger thus.

In the embodiment of a combination, described inlet tube is opposite to outlet pipe in circumferential direction and extends.

In the embodiment of a combination, described inlet tube is compared with outlet pipe and is deeper extended in the slurry portion section, makes the new mixture that adds add at the lower level place of digestion vessel inside thus.

In the embodiment of a combination, the entrance opening is higher than discharging edge location, and the unnecessary mixture of Jia Ruing is discharged in a controlled manner thus, and even helps rinse-system.

In one embodiment, bionethanation system comprises the canvas reinforcement sleeve that extends around the first surrounding wall portion section of digestion vessel.

In one embodiment, lid has constant wall thickness along the second cylindrical wall section and second guide part.Because second guide part inwardly concaves in order to elongated insertion space is provided with respect to the first cylindrical wall section, second perisporium is provided with the stiffener of incorporating in the location of constant wall thickness.

In an one embodiment, lid has constant wall thickness along second perisporium and top side.Therefore, Gai Zaiqi has constant wall thickness on the whole, and the advantage of manufacture view is provided.

In one embodiment, second guide part has the cross section of semicircle or U-shaped, thereby each second guide part has two wall portion sections, and these two wall portion sections merge to the first surrounding wall portion section of directly extending on this guide part next door.

In one embodiment, the top side comprises straight substantially top wall portion section, and this medullary ray transverse to second perisporium of this top wall portion segment base extends, and wherein the top wall portion section merges in the cruciform stiffener of projection, and this cruciform stiffener is incorporated in second perisporium.

In an one embodiment, cruciform stiffener and top wall portion paragraph qualification spatial accommodation, wherein ballast carrier inserts or is limited in this spatial accommodation.Ballast carrier is held in place on tops well.The gas that the downward pressure that is applied by ballast carrier keeps catching is under certain pressure.

In an one embodiment, ballast carrier comprises lower protrusion portion, and this lower protrusion portion has the shape with the shape complementarity of spatial accommodation.This jut keeps ballast carrier to be inserted into, and the rest part of ballast carrier can be any suitable shape thus.

In one embodiment, ballast carrier is hollow body, and it has closed filling orifice so that filling liquid or sand.Hollow body can be filled at installed position, thereby keeps its hauled weight lighter.

In an embodiment who suitably makes by rotation-formed molding, hollow body has constant wall thickness.

In one embodiment, ballast carrier comprises solid cement or concrete or is made by solid cement or concrete.

Thereby in the embodiment that is easy to transport in light weight, digestion vessel and lid are made by thermoplastic resin, are preferably polyethylene.

According to second aspect, the invention provides a kind of method of making bionethanation system by the rotation-formed molding of thermoplastic resin, wherein bionethanation system comprises cylindrical digestion vessel and lid, described cylindrical digestion vessel has for the diapire that limits the digestion chamber, first perisporium and open top, and described lid has for the top side that limits the gas storage chamber, second perisporium and bottom opening, wherein said lid is inserted in the digestion vessel via open top, the bottom opening of wherein said lid is towards described diapire, in order to catch the inner gas that discharges in digestion chamber, wherein mold comprises the internal space of the sealing that forms the digestion vessel external shape, digestion vessel enters in the lid in its top continuity, wherein said method comprises: form the hollow body that comprises digestion vessel and lid in mold, discharge hollow body from mold, and make at least one otch in order to will cover from the digestion vessel separation, make lid to be inserted in the digestion vessel.

The method according to this invention, two cores of bionethanation system are biogas container and lid, they are by separating to make from same hollow body.By this way, all little manufacture deviations at the upside place of the downside of lid and digestion vessel (such as shrinking inequality or non-circular shape) can exist with same degree, after making otch, provide thus lid is inserted into optimum regime in the digestion vessel.

In an one embodiment, mold comprises the internal space of the sealing that forms the digestion vessel external shape, digestion vessel enters in the lid via additional bridgeware continuity on its top, wherein said additional bridgeware bridge joint digestion vessel and the diameter difference that covers at additional bridgeware place, wherein said method comprises: formation comprises digestion vessel in mold, the hollow body of additional bridgeware and lid, discharge hollow body from mold, make first otch in order to form bottom opening and will cover from additional bridgeware and separate, and make second otch so as to form open top and with digestion vessel from additional bridgeware separation.Remove bridgeware by two otch and guarantee that lid gently slides in the digestion vessel.

In one embodiment, mold comprises basic mold component and is inserted into insertion mould between the basic mold component, wherein the base portion of mold component formation digestion vessel, digestion vessel are to covering interior sequential portion and the top side of lid substantially, and wherein said insertion mould provides extra height for digestion vessel with covering.Insert in order to obtain the optional height of the Digestive tract of elongation inserting mould.Basic mold component is applicable to all height.By this way, when using identical basic mold component, can make the bionethanation system with optional height.

The all respects of describing in this manual and illustrating and feature can be used as possible individually.The aspect that these are independent, particularly aspect described in the appended dependent claims and feature can constitute the theme that patent is divided an application.

Description of drawings

To illustrate the present invention based on the exemplary embodiment shown in the accompanying drawing, wherein:

Fig. 1 illustrates the bionethanation system according to first embodiment of the invention;

Fig. 2 A and Fig. 2 B illustrate bottom and the top according to bionethanation system shown in Figure 1 respectively;

Fig. 3 A and 3B illustrate according to bionethanation system shown in Figure 1 and are in longitudinal cross-section in two outermost opposed work points of moving part;

Fig. 4 illustrates the longitudinal cross-section according to the alternative bionethanation system of second embodiment of the invention;

Fig. 5 A and 5B illustrate the top according to alternative bionethanation system shown in Figure 6;

Fig. 5 C illustrates the alternative top according to alternative bionethanation system shown in Figure 6;

Fig. 5 D and Fig. 5 E illustrate another the alternative top according to alternative bionethanation system shown in Figure 6;

Fig. 6 illustrates the manufacturing stage according to two parts of bionethanation system shown in Figure 1; And

Fig. 7 illustrates the manufacturing stage according to two other parts of bionethanation system shown in Figure 1.

Embodiment

Fig. 1 illustrates the bionethanation system 1 according to first embodiment of the invention.Fig. 2 A and 2B illustrate in greater detail some parts wherein.The inside of bionethanation system 1 is illustrated by Fig. 3 A and Fig. 3 B.

As shown in Fig. 1 and Fig. 2 A, bionethanation system 1 comprises the digestion vessel 10 of thin-walled, and it comprises perisporium 11 (having medullary ray A) and diapire 12, and both all have 4 millimeters constant wall thickness at any position.Cylindrical wall 11 limits digestion chambers 19, and can roughly be divided into bottom slurry portion section 13 and upper gas is caught portion's section 14.Digestion vessel 10 is made by the rotation-formed molding that will be explained below by thermoplastic resin (such as polyethylene).

At slurry portion section 13 places, perisporium 11 comprises the first cylindrical wall section 15, and it merges to altogether in two one group the indent strengthening rib 16 that four groups of longitudinal directions at container 10 extend.At the upside place, the first cylindrical wall section 15 and strengthening rib 16 merge in the circumferential strengthening rib 17 of evagination.

At gas entrapment portion section 14 places, perisporium 11 comprises the second cylindrical wall section 20, and it merges in first guide part 21 of four indents altogether that the longitudinal direction at container 10 extends.First guide part 21 has U-shaped cross-section, and evenly distributes along the circumference of container 10.At the downside place, each first guide part 21 merges in the straight end wall section 22 that is parallel to diapire 12 extensions.In top sides, the second wall portion section 20 merges in the circumferential strengthening rib 24 of evagination that limits circular vessel port 23.

Shown in the best among Fig. 3 A and Fig. 3 B, bionethanation system 1 comprises the inlet tube of being made by thermoplastic resin (such as polyvinyl chloride) 30.Inlet tube extends in one of first guide part 21, passes through end wall section 22 via unshowned waterproof sealing.The top part 31 of inlet tube 30 is fully extended in first guide part 21, and bottom part 32 extends in slurry portion section up to respect to diapire 12 certain distance apart, and the diameter of this distance and inlet tube 31 about equally.Inlet tube 30 is connected to by what thermoplastic resin (such as polyethylene) was made goes into buccal funnel 33.Go into buccal funnel 33 and have elongated funnel opening.Going into buccal funnel 33 extensions makes its funnel opening portion ground beyond the periphery of perisporium 11.

As shown in Fig. 3 A and Fig. 3 B, bionethanation system 1 comprises the outlet pipe of being made by thermoplastic resin (such as polyvinyl chloride) 35.Outlet pipe 35 extends in first guide part 21 of inlet tube 31 opposite sides.Outlet pipe 35 passes through end wall section 22 via unshowned waterproof sealing.Outlet pipe 35 fully extends in first guide part 21, and extends in the slurry portion section 13 only one section very short distance, and this distance just is enough to suitably seal.Outlet pipe 35 is connected to the doline discharging extension of being made by thermoplastic resin (such as polyethylene) 36.The discharging extension has elongated top side.Discharging extension 36 partly extends beyond the periphery of perisporium 11, and wherein extension is provided with lower discharging edge 37, and the outermost that overflowing when discharging to force betides discharging extension 36 extends edge.

Go into buccal funnel 33 and extend to height E with respect to diapire 12, the height B of its brake specific exhaust emission edge 37 lowermost portion exceeds several centimetres.By this way, digestion vessel 10 can be had the digestion mixture that is partially soluble in water that comprises muck and plant to fill via going into buccal funnel 33 in a suitable manner, wherein when the mixture highest level that reaches in height B, then too much mixture is discharged from via discharging extension 36.Slurry in the digestion vessel 10 partly is reduced in the slurry portion section 13.

At slurry portion section 13 places, digestion vessel 10 comprises and forms two pipe connections 38 mouth of pipe, that be positioned at two opposed cylindrical wall section 15 lower parts.Digestion vessel 10 can be directly connected to the lavatory by pipe connections 38, and the lavatory is installed in and is higher than the proper height that discharges extension and sentences and just use muck filling container 10.

As shown in fig. 1, perisporium 11 is strengthened sleeve 28 by close-fitting canvas and is caught portion's section 14 places in upper gas and strengthened, and strengthens sleeve 28 and is limited between the circumferential strengthening rib 17,24.Canvas sleeve 28 comprises the opening 27 and the opening 29 that is suitable for discharging extension 36 that is suitable for into buccal funnel 35.

As shown in Fig. 1 and Fig. 2 B, bionethanation system 1 comprises the lid 40 of thin-walled, and it all has 4 millimeters constant wall thickness at all sites.Lid 40 inserts in the digestion vessel 10 via vessel port 23.Lid 40 limits gas storage chamber 47, and this chamber is freely led to from following only.Lid 40 by thermoplastic resin (such as polyethylene) by as the rotation-formed molding that will describe in detail later make.

Lid 40 comprises cylindrical periphery wall portion section 41, and it merges to second guide part 42 that four longitudinal directions at lid 40 that inwardly point to extend.Second guide part 42 has the cross section of U-shaped, and distributes equably along the circumference of lid 40.The outside dimension of second guide part 42 is suitable for holding first guide part 21, and covering 40 thus can only freely slide in container 10 up and down, and does not have the rotation around its longitudinal axis A, and can or not tumble with respect to digestion vessel 10 lateral tilts.Lid 40 comprises the strengthening rib 43 of a plurality of indents, and its circumferential direction at lid 40 extends through surrounding wall portion section 41 and second guide part 42.

In its top sides, lid 40 is provided with cruciform stiffener 44, and it broadens towards its four ends, and its four ends merge in second guide part 42.In downward a little position, lid 40 comprises smooth roof 45, and it limits four spatial accommodations 46 together with cruciform stiffener 44, and described spatial accommodation 46 is used for four complementary concrete ballast pieces 50 that form of restriction.Cruciform stiffener 44 and concrete ballast piece 50 form together and cover 40 level and smooth protruding end face.Lid 40 comprises the hose connector 48 that gas storage chamber 47 is connected with flexible air hose 49.At its opposite side place, flexible pipe 49 is connected to the gas burner (not shown) of family expenses.Alternatively, the hollow body that in four spatial accommodations 46, holds four complementations.Hollow body can water or sand fill the weight that provides necessary.

Fig. 3 A illustrates and covers the 40 the highest possible positions with respect to digestion vessel 10.As shown in the figure, the whole height C that the height D of lid 40 surrounding wall portion section 41 equals digestion vessel 10 substantially deducts the difference of height B at the discharging edge 37 of discharging extension 36, and it determines the liquid highest level of digestion vessel 10 inside.Be full of methane gas and cover under 40 extreme cases that optimally float on the liquid at gas storage chamber 47, because oneself is discharged some addition the mixture of cause of discharging edge 37 height, even so, described second guide part 42 is engaged by first guide part 21 fully.The methane gas that the weight of concrete ballast piece 50 keeps catching is under the suitable constant pressure in order to be supplied to gas burner.Mixture maximum volume at the height B place is the twice of gas storage chamber 47 volumes.

Fig. 3 B illustrates and covers 40 extreme lower positions in digestion vessel 10 inside.In this position, lid 40 stably is located on the upper end of slurry part 13 strengthening rib 16.The height D of surrounding wall portion section 41 allows gas storage chamber 47 to be full of this mixture fully, is filled to its highest level place at height B place, and does not contain methane gas.

Fig. 4 illustrates the longitudinal cross-section according to alternative bionethanation system 101 inside of second embodiment of the invention.Fig. 5 A-5E illustrates the various upper member that can be used for according to the alternative bionethanation system 101 of Fig. 4.Or the parts that are close to identical alternative bionethanation system 101 identical with the corresponding component of bionethanation system 1 as shown in Fig. 1-3 are with identical Reference numeral indication.Alternative bionethanation system 101 is provided with canvas and strengthens sleeve 28, but the purpose in order to illustrate does not illustrate sleeve 28.Have only different parts that alternative Reference numeral is set, and discuss below.

As shown in Figure 4, alternative bionethanation system 101 is provided with inlet tube 30 and the outlet pipe 35 that is positioned in first guide part 21.The bottom 32 of inlet tube 30 and the bottom part 39 of outlet pipe 35 are passed through end wall section 22 via the entrance mouth of pipe 134 of indent and the outlet mouth of pipe 135 of indent, and wherein the entrance mouth of pipe 134 and the outlet mouth of pipe 135 are admitted the bottom 32 of inlet tube 30 and the bottom 39 of outlet pipe 35 respectively.In each first guide part 21, can form a plurality of strengthening rib 51 that extend along the whole length of first guide part, 21 longitudinal directions.

The mouth of pipe 134,135 comprises that downstairs merger arrives the accommodation section section 137 in the less connection section section 138.The upside of accommodation section section 137 outwards merges to along circumference to have in the end wall section 22 of substantially constant radius.Be provided with the crush rib 139 of extending and directly concaving vertically that distributes along interior week in the inside of connection section section 138.In indent edge, the diameter that crush rib 139 limits is more smaller than the bottom 32 of pipe 30,35,39 external diameter.In case after inserting, the bottom 32 of inlet tube 30 and the bottom 39 of outlet pipe 35 make the crush rib displacement, and are stuck in or are squeezed between them, thereby with respect to the mouth of pipe 134,135 basic fixed bottoms 32.Added resilience sealing member 136 partly insert accommodation section section 137 and sealed tube 30,35 and the mouth of pipe 134,135 between connection.The slurry of accumulation is enhanced leaktightness further.

As shown in Fig. 5 A, alternative bionethanation system 101 comprises and covers 140, and it is inserted in the container 10, and it is subjected to the guiding of first guide part 21, and it can only be free to slide in container 10 up and down like this.Lid 140 comprises the strengthening rib 43 of a plurality of indents, and its circumferential direction at lid 140 extends through surrounding wall portion section 41.In this alternative bionethanation system 101, second guide part 42 is smooth.Lid 140 is provided with cruciform stiffener 144, and it broadens towards its four ends, and its four ends merge in second guide part 42.In downward a little position, lid 140 comprises the roof 145 of substantially flat, and it limits four spatial accommodations 146 together with cruciform stiffener 144.Lid 140 is provided with overflow ducts 151 along its periphery, is used for discharging and is accumulated in and cover the interior throw out of 140 spatial accommodation 146.Flow to overflow ducts 151 in order to ensure throw out, smooth roof 145 has the less gradient towards the periphery inclination reduction of lid 140.

As shown in Fig. 4, Fig. 5 A-5E, alternative bionethanation system 101 can be provided with dissimilar being positioned over and cover hollow ballast carrier 150,250,350 on 140 tops.Hollow ballast carrier 150,250,350 is made by thermoplastic resin (such as polyethylene).As shown in Figure 5A and 5B, each hollow ballast carrier 150 of first type has the semicircle that covers only about half of lid 140, and wherein said hollow ballast carrier 150 is the whole lid 140 of basic covering together.Each hollow ballast carrier 150 extends at two spatial accommodations 146, and is provided with two projections 154, and this projection and spatial accommodation 146 complementally form, and are restricted in the spatial accommodation 146.By this way, hollow ballast carrier 150 can stable manner be positioned over and covers on 140.In this example, the major part of hollow ballast carrier 150 is extended with the outside above spatial accommodation 146, thereby has enlarged markedly the volume of hollow ballast carrier 150 with respect to the volume of spatial accommodation 146.

Hollow ballast carrier 150 is provided with first recess of aiming at respect to second guide part 42 153,157.When lid 140 slid through container 10 up or down, first recess 153,157 allowed first guide part 21 to pass through.In addition, each hollow ballast carrier 150 is provided with central second recess 158, and it is free movable that above-mentioned second recess 158 keeps covering 140 the hose connector 152 in centrally-located together, and in case place hollow ballast carrier 150, the hose connector 152 of then can leading to.

Hollow ballast carrier 150 comprises filling part section 155, and it has thread nozzle mouth 156, is assembled to the standard bottlecap with upright water bottle or PET bottle and covers on the mouth mouth 156.Mouth mouth 156 used water or sand are filled hollow ballast carrier 150, in order to necessary weight is provided.Because hollow ballast carrier 150 is above spatial accommodation 146 and the additional volumes in the outside, and be used for comparing according to the kentledge 50 of the bionethanation system 1 shown in Fig. 1-5, extra sand or water can be added on the hollow ballast carrier 150.Filling part section 155 extends to the rest part a little more than hollow ballast carrier 150, can be full of the whole space of hollow ballast carrier 150 like this before it begins to overflow by mouth mouth 156.In case be full of, mouth mouth 156 can be sealed easily by any suitable lid.

Fig. 5 C shows second type hollow ballast carrier 250, and it is the remodeling that carries out at as shown in Figure 5A and 5B hollow ballast carrier 150.The difference of this hollow ballast carrier 250 and as shown in Figure 5A and 5B first type hollow ballast carrier 150 is that this hollow ballast carrier 250 is provided with radially strengthening rib 259 and concentric strengthening rib 260 in the surface thereon.Strengthening rib 259,260 is strengthened hollow ballast carrier 250, in order to improve structural integrity.

Fig. 4, Fig. 5 D and 5E illustrate the hollow ballast carrier 350 of the third type, and it is the remodeling that carries out at as shown in Figure 5A and 5B hollow ballast carrier 150.The difference of this ballast carrier 350 and as shown in Figure 5A and 5B hollow ballast carrier 150 be each ballast carrier 350 only cover 140 1/4th.Each ballast carrier 350 is provided with a jut 154, and it can be placed in one of spatial accommodation 146.These four ballast carriers 350 are the whole lid 140 of basic covering together.Hollow ballast carrier 150 similar modes with Fig. 5 A and 5B, each hollow ballast carrier 350 is provided with first recess 353 aimed at second guide part 42,357 and second central indentation 358 of aiming at hose connector 152, and the radially extension filling part section 355 with thread nozzle mouth 156.The use of these hollow ballast carriers 350 can reduce the weight of each ballast carrier, thereby is easier to handle ballast carrier.Ballast carrier 350 also can arrange in the surface and ballast carrier 250 as shown in Fig. 5 C similarly radially strengthening rib 259 and concentric strengthening rib 260 thereon.

Fig. 6 illustrated according to bionethanation system 1 of the present invention, manufacturing stage of 101.Particularly, illustrate by mold combination manufacturing digestion vessel 10 and lid 40.Fig. 6 illustrates the part 60 of open revolution mold, and it has complete closed under closure state internal space forms digestion vessel 10, additional bridgeware 61 in succession and covers 40 complete external shape.Additional bridgeware 61 circumferentially extends and is positioned at the inboard of first guide part 21 and second guide part 42.

In manufacturing processed, mold is filled with the thermoplastic resin of accumulation, heats in order to melt the thermoplastic resin of piling up, and is turned round in the mode that oneself knows own around three rotations by the revolution mold.Additional bridgeware 61 forms digestion vessels 10 and covers interim connection between 40.Additional bridgeware 61 bridge joints cover the difference between 40 bottom external diameters and the digestion vessel 10 wideer top sides.After cooling, open the revolution mold, and discharge have constant wall thickness comprise digestion vessel 10, additional bridgeware 61 and cover 40 shown in hollow body.After the release, make first circumferential cut 62 (solid line) and second circumferential cut 63 (dotted line), then above-mentioned otch 62,63 forms respectively and covers 40 open downside and vessel port 23.By this way, any little manufacture deviation on the additional bridgeware 61 (such as shrinking inequality or non-circular shape) will be sentenced same degree at the upside of the downside of lid 40 and digestion vessel 10 and exist, and cover 40 thus and will always can be fitted in the container 10 and with respect to container 10 and slide.Perhaps, only make otch 61, one of 62.Alternatively, do not adopt extra bridgeware 61, only an otch just is enough to make that covering 40 is inserted in the digestion vessel 10.Alternatively, otch 61,62 is made by single instrument, and it has is enough to and will adds the cutting thickness that bridgeware 61 whole removing are removed.By revolution casting, digestion vessel 10 and cover 40 and all have 4 millimeters constant identical wall thickness at any position.Suitable constant wall thickness is in the scope of 3-6 millimeter.

As shown in Figure 6, the revolution mould portion of opening 60 is divided into basic mold component 64,66,68,70, is the insertion mould 65,67,69 that fluid connects therebetween. Basic mold component 64,66,68,70 and insert mould 65,67,69 and form bionethanation system 1 shown in Fig. 1-3B together.This bionethanation system 1 has 1500 liters volume of mixture usually at the height B place.Insert mould 65,67,69 when removing, when having only basic mold component 64,66,68,70 to link together, acquisition has the bionethanation system of other size, and it has the height C that reduces, but its mixture maximum volume that has in height B still is the twice of the gas storage chamber volume of lid.This bionethanation system with other size has 1000 liters volume of mixture at the height B place.By providing other one group to insert mould 65,67,69, the volume of mixture at the height B place can be 700 liters, and keeps the above-mentioned relation in the volume.

Fig. 7 illustrates bionethanation system 1, another manufacturing stage of 101.Particularly, illustrate by mold combination manufacturing to go into buccal funnel 33 and discharge extension 36.Fig. 5 illustrates one and half ones 80 that the revolution mold is opened at its plane of symmetry place.The revolution mold has complete closed under its closure state internal space, this internal space are formed into buccal funnel 33 and discharging extension 36, go into the complete external shape that buccal funnel and discharging extension combine in its longest upper edge.In manufacturing processed, mold is filled with the thermoplastic resin of accumulation and the thermoplastic resin that heating is piled up with fusing, and is turned round around three rotations mode that oneself knows with itself by the revolution mold.After cooling, open the revolution mold, and discharge the hollow body that includes buccal funnel 33 and discharging extension 36 with constant wall thickness.After the release, make circumferential cut 81 in order to be formed into buccal funnel 33 and discharging extension 36.Additional cut will provide the lowermost portion at discharging edge 37.

Make the bionethanation system of the manufacturing processed permission manufacturing different size of above-mentioned bionethanation system with the revolution mold.

Should be understood that top description is the operation that preferred embodiment is described, but not be intended to limit the scope of the invention.From top argumentation, multiple remodeling is clearly visible for those skilled in the art, and it also will be contained by the spirit and scope of the present invention.

Claims (30)

1. bionethanation system, it comprises cylindrical digestion vessel and lid, described digestion vessel has diapire, first perisporium and open top, in order to limit the digestion chamber of being filled by digestion mixture, and described lid has for the top side that limits the gas storage chamber, second perisporium and bottom opening, wherein said lid is inserted in the digestion vessel via open top, the bottom opening of wherein said lid is towards described diapire, in order to catch the gas that discharges in the digestion chamber, wherein first perisporium comprises the first cylindrical wall section that merges in the first elongated guide portion, this first elongated guide portion inwardly gives prominence in the longitudinal direction extension of first perisporium and with respect to the first cylindrical wall section, and wherein, second perisporium comprises the second cylindrical wall section that merges in the second elongated guide portion, this second elongated guide portion inwardly concaves in the longitudinal direction extension of first perisporium and with respect to the second cylindrical wall section, in order to the elongated insertion space that can lead to from the outside is provided, the wherein said first elongated guide portion is inserted in the second elongated guide portion at least in part.

2. bionethanation system according to claim 1, wherein digestion vessel is along the constant wall thickness of the first cylindrical wall section and first guide part.

3. bionethanation system according to claim 2, wherein digestion vessel is along the constant wall thickness of first perisporium and diapire.

4. according to the described bionethanation system of arbitrary aforementioned claim, wherein first guide part has semicircle or U-shaped cross-section.

5. according to the described bionethanation system of arbitrary aforementioned claim, wherein first perisporium comprises slurry portion section and the gas entrapment portion section that is positioned at slurry portion section top, wherein said first guide part comprises end wall along the section extension of gas entrapment portion and in its bottom, and this end wall is having a distance to extend with respect to diapire.

6. bionethanation system according to claim 5, wherein said bionethanation system comprises inlet tube, this inlet tube extends and passes through end wall in the inside of one of first guide part.

7. bionethanation system according to claim 6, wherein inlet tube fully extends in the inboard of the first cylindrical wall section periphery.

8. according to claim 6 or 7 described bionethanation systems, comprise the buccal funnel of going into that is connected to described inlet tube, wherein go into buccal funnel and include a mouthful opening that this entrance opening extends in the outside of the first cylindrical wall section periphery at least in part.

9. according to each described bionethanation system of claim 5-8, comprise outlet pipe, this outlet pipe extends and passes through end wall in the inside of one of first guide part.

10. bionethanation system according to claim 9, wherein outlet pipe fully extends in the inboard of the first cylindrical wall section periphery.

11. according to claim 9 or 10 described bionethanation systems, comprise the discharging extension that is connected to outlet pipe, wherein said discharging extension comprises the discharging edge, this discharging edge extends in the outside of the periphery of the first cylindrical wall section at least in part.

12. according to claim 6 or 9 described bionethanation systems, wherein end wall is incorporated in the mouth of pipe, this mouth of pipe extends towards diapire in the inside of digestion chamber, and wherein said inlet tube and/or outlet pipe are inserted in the described mouth of pipe.

13. bionethanation system according to claim 12, wherein the mouth of pipe comprises the connection section section at the side place towards described diapire, and this connection section section is provided with the crush rib of indent, wherein said crush rib and the pipe joint that inserts.

14. according to claim 6 and 9 described bionethanation systems, wherein said inlet tube is opposite to outlet pipe in circumferential direction and extends.

15. according to claim 6 and 9 described bionethanation systems, wherein said inlet tube is compared with outlet pipe and is deeper extended in the slurry portion section.

16. according to Claim 8 with 11 described bionethanation systems, wherein the entrance opening is higher than location, discharging edge.

17. according to the described bionethanation system of arbitrary aforementioned claim, comprise the canvas reinforcement sleeve that extends around the first surrounding wall portion section of digestion vessel.

18. according to the described bionethanation system of arbitrary aforementioned claim, its middle cover is along the constant wall thickness of the second cylindrical wall section and second guide part.

19. bionethanation system according to claim 16, its middle cover is along the constant wall thickness of second perisporium and top side.

20. according to the described bionethanation system of arbitrary aforementioned claim, wherein second guide part has semicircle or U-shaped cross-section.

21. according to the described bionethanation system of arbitrary aforementioned claim, wherein the top side comprises straight substantially top wall portion section, this medullary ray transverse to second perisporium of this top wall portion segment base extends, and wherein the top wall portion section merges in the cruciform stiffener of projection, and the cruciform stiffener is incorporated in second perisporium.

22. bionethanation system according to claim 21, wherein cruciform stiffener and top wall portion paragraph qualification spatial accommodation, wherein ballast carrier inserts or is limited in this spatial accommodation.

23. bionethanation system according to claim 22, wherein ballast carrier comprises lower protrusion portion, the shape of this lower protrusion portion and the shape complementarity of spatial accommodation.

24. according to claim 22 or 23 described bionethanation systems, wherein ballast carrier is hollow body, this hollow body has and can seal so that the filling orifice of filling liquid or sand.

25. bionethanation system according to claim 24, wherein hollow body has constant wall thickness.

26. according to each described bionethanation system of claim 22-26, it is characterized in that ballast carrier comprises solid cement or concrete, or made by solid cement or concrete.

27. according to the described bionethanation system of arbitrary aforementioned claim, wherein digestion vessel and lid are made by thermoplastic resin, are preferably polyethylene.

28. make the method for bionethanation system by the rotation-formed molding of thermoplastic resin, wherein bionethanation system comprises cylindrical digestion vessel and lid, described digestion vessel has for the diapire that limits the digestion chamber, first perisporium and open top, and described lid has for the top side that limits the gas storage chamber, second perisporium and bottom opening, wherein said lid is inserted in the digestion vessel via open top, the bottom opening of wherein said lid towards described diapire in order to catch the inner gas that discharges in digestion chamber, wherein mold comprises the internal space of the sealing that forms the digestion vessel external shape, digestion vessel enters in the lid in its top continuity, wherein said method comprises: form the hollow body that comprises digestion vessel and lid in mold, discharge hollow body from mold, and make at least one otch in order to will cover from the digestion vessel separation, make lid to be inserted in the digestion vessel.

29. method according to claim 28, wherein mold comprises the internal space of the sealing that forms the digestion vessel external shape, digestion vessel enters in the lid via additional bridgeware continuity on its top, wherein said additional bridgeware bridge joint digestion vessel and the diameter difference that covers at additional bridgeware place, wherein said method comprises: formation comprises digestion vessel in mold, the hollow body of additional bridgeware and lid, discharge hollow body from mold, make first otch in order to form bottom opening and will cover from additional bridgeware and separate, and make second otch so as to form open top and with digestion vessel from additional bridgeware separation.

30. according to claim 28 or 29 described methods, wherein mold comprises basic mold component and is inserted into insertion mould between the basic mold component, wherein the base portion of mold component formation digestion vessel, digestion vessel arrive the interior sequential portion of lid and the top side of lid substantially, and wherein said insertion mould provides extra height for digestion vessel with covering.

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