CN205590679U - Marsh gas fermentation can - Google Patents

Abstract

The utility model discloses a marsh gas fermentation can, including fermentation tank shell, fermentation tank shell is equipped with the cone, the outside spiral of the fermentation tank shell spiral heating coil that has arranged, the feeding house steward is linked together with the material import, and the import department is equipped with the feed worm pump at the material, and fermentation tank shell top is equipped with a plurality of feeding branch pipe, and all feeding branch pipe are linked together with the feeding house steward respectively, open the cone bottom has discharging pipe and blow off pipe, and the discharging pipe is linked together with the circulating pipe, and the circulating pipe is linked together with the feeding house steward, and the cone bottom is linked together through blow off pipe and equalizing basin, matees the row's of installing mud screw pump at the blow off pipe, fermentation tank shell top is equipped with the outlet duct. The utility model discloses have and heat heat retaining spiral heating coil to fermentation tank shell inner chamber, provide good fermented temperature environment for the material fermentation, fermentation tank shell bottom is the cone structure, and mud is in the blow off pipe discharges the equalizing basin, and fermented complete material process circulating pipe is cyclic utilization once more.

Description

A kind of marsh-gas fermentation tank

Technical field

This utility model relates to large-sized biogas engineering field, particularly relates to a kind of new and effective biogas fermentation Tank.

Background technology

Methane engineering technology utilizes anaerobic fermentation that organic waste is converted into clean energy resource exactly, for circulation Expanding economy provides and provides powerful support for, the especially current generation, if the garbage warp with straw as representative Cross burning meeting major polluting atmosphere environment, have been subjected to various places and pay attention to.But the structure problem of fermentation tank The enforcement concrete to biogas engineering brings series of problems, as fermentation bed mud is difficult to discharge, needs every two years Emptying is cleaned, and shortens its service life；The facilities such as discharge pipe valve are exposed in natural environment, hold Perishable in bad repair；The material of one kind is designed with strict requirements to fermentation tank, needs when changing material Rectify and improve problems such as the most again building, attention and the solution to these problems, it is possible to for biogas work on a large scale Journey industry provides good development condition, improves fermentation efficiency and uses the cycle with tank body, cuts operating costs.

Utility model content

The purpose of this utility model is to overcome the easy accumulation of tank base in existing biogas production process Mud is difficult to discharge, it is difficult to adapt to various materials proportioning situation, and INSULATION DESIGN difficulty, energy consumption is excessive etc. asks Topic, it is provided that a kind of marsh-gas fermentation tank, has the spiral heating that fermentation tank housing cavity carries out heating and thermal insulation Coil pipe, provides good fermentation temperature environment for material fermentation；Fermentation tank housing bottom is cone structure, Complete material of being easy to not ferment separates with mud, and mud is discharged into regulating reservoir through the blow-off pipe of bottommost In, the complete material that do not ferments is transported to feed through circulation pipe and again recycles in house steward.

The purpose of this utility model is achieved through the following technical solutions:

A kind of marsh-gas fermentation tank, including fermentation tank housing, heating pipe, charging house steward, escape pipe, goes out Material pipe, regulating reservoir and cone, described fermentation tank enclosure interior has fermentation cavity, sending out of fermentation tank housing Ferment cavity middle and lower part is provided with cone, and the fermentation cavity of fermentation tank housing is divided into top fermentation cavity by cone With bottom fermentation cavity, bottom fermentation cavity is fermenter base inner chamber；Described fermentation tank hull outside spiral shell Rotation is placed with the spiral heating coil pipe that material in fermentation chamber body carries out heating and thermal insulation, fermentation tank hull outside It is additionally provided with the heating pipe being connected with spiral heating coil pipe；Described charging house steward is connected with material inlet Logical, the external feed system of material inlet, at material inlet, it is provided with feed worm pump, fermentation tank housing top Portion is provided with several feed-inputing branched pipes that fermentation cavitys are connected with top, all of feed-inputing branched pipe respectively with enter Material house steward is connected；Described cone base has discharge nozzle and blow-off pipe, described discharge nozzle and circulation pipe phase Connection, described circulation pipe is connected with charging house steward, and described cone base passes through blow-off pipe and regulating reservoir phase Connection, has spoil disposal screw pump at blow-off pipe Matching installation；Described fermentation tank case top is provided with to be sent out with top The escape pipe that ferment cavity is connected.

In order to this utility model is better achieved, this marsh-gas fermentation tank also includes heating boiler, described heating Water pipe is airtight with heating boiler to be connected.

Further technical scheme is as follows: this marsh-gas fermentation tank also includes sampling discharge nozzle, described discharge nozzle Including top discharge pipe and bottom discharge pipe, described blow-off pipe is communicated in the lower end of cone, top discharge pipe with The mouth of pipe that the mouth of pipe of cone connection connects with cone higher than bottom discharge pipe, the pipe that bottom discharge pipe connects with cone The mouth of pipe that mouth connects with cone higher than blow-off pipe；Described top discharge pipe is connected with bottom discharge Guan Junyu circulation pipe Logical, circulation pipe connects with the charging aperture of sampling discharge nozzle, and the discharging opening of sampling discharge nozzle is connected with regulating reservoir Logical, sampling discharge nozzle is provided with outlet valve.

As preferably, described top discharge pipe, bottom discharge pipe, blow-off pipe, spoil disposal screw pump, feed worm Pump and material inlet are respectively positioned in fermenter base inner chamber.

As preferably, described blow-off pipe is provided with blowoff valve.

This utility model compared with the prior art, has the following advantages and beneficial effect:

(1) this utility model is without stirring during fermentation reaction, relies on the vertical plug-flow of material gravity, Fermentation materials is layered in fermentation tank housing owing to time of delivery there are differences, and every layer of material is in different The stage of reaction；Upper materials promotes lower floor's material to enter cone cavity successively, and cone cavity can will not sent out Ferment material completely is transported to feed in house steward by circulation pipe and recycles, and cone cavity can also will be sent out The mud discharging that ferment produces is in regulating reservoir.

(2) this utility model subject range is strong, is adapted to the various materials of middle temperature or hot fermentation, It is readily adaptable for use in wet type fermentation or dry fermentation；Fermentation tank housing bottom is cone structure, it is possible to convenient The inner chamber of fermentation tank housing is carried out, extends the service life of fermentation tank housing.Further, above go out Material pipe, bottom discharge pipe, blow-off pipe, spoil disposal screw pump, feed worm pump and material inlet are respectively positioned on fermentation Inside tank shell, above-mentioned parts can be avoided to be addled, enhance its service life, and reduce behaviour Make difficulty.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Wherein, entitled corresponding to the reference in accompanying drawing:

1-escape pipe, 2-material liquid surface, 3-spiral heating coil pipe, 4-feeds house steward, 5-cone, 6- Circulation pipe, 7-samples discharge nozzle, 8-regulating reservoir, 9-top discharge pipe, 10-bottom discharge pipe, 11-blowdown Pipe, 12-spoil disposal screw pump, 13-feed worm pump, 14-material inlet, 15-heating pipe, 16-sends out Ferment pot bottom inner chamber, 17-fermentation tank housing, 18-feed-inputing branched pipe.

Detailed description of the invention

Below in conjunction with embodiment, this utility model is described in further detail:

Embodiment

As it is shown in figure 1, a kind of marsh-gas fermentation tank, including fermentation tank housing 17, heating pipe 15, enter Material house steward 4, escape pipe 1, discharge nozzle, regulating reservoir 8 and cone 5, fermentation tank housing 17 is internal to be had Fermentation cavity, the fermentation cavity middle and lower part of fermentation tank housing 17 is provided with cone 5, and cone 5 will be fermented ladle bowl The fermentation cavity of body 17 is divided into top fermentation cavity and bottom fermentation cavity, and fermentation cavity in bottom is for sending out Ferment pot bottom inner chamber 16；Fermentation tank housing 17 external helicoid is placed with and adds material in fermentation chamber body The spiral heating coil pipe 3 of heat insulation, outside being additionally provided with of fermentation tank housing 17 is connected with spiral heating coil pipe 3 Logical heating pipe 15；This marsh-gas fermentation tank also includes heating boiler, heating pipe 15 and heating boiler Airtight connection；Heating boiler provides required heat hot water for heating pipe 15, and heating pipe 15 is to spiral shell Rotation heating coil 3 is passed through heat hot water, and spiral heating coil pipe 3 coiled coil is outside fermentation tank housing 17 Portion, spiral heating coil pipe 3 carries out heating and thermal insulation to the material of top fermentation cavity.

As it is shown in figure 1, charging house steward 4 is connected with material inlet 14, material of the present utility model enters Mouthfuls 14 be positioned at fermentation tank housing 17 interiorly or exteriorly or top or bottom, outside material inlet 14 Connecing feed system, be provided with feed worm pump 13 at material inlet 14, fermentation tank housing 17 top is provided with Several feed-inputing branched pipes 18 that fermentation cavity is connected with top, all of feed-inputing branched pipe 18 respectively with enter Material house steward 4 is connected；Charging house steward 4 connects material inlet 14, and material inlet 14 passes through feed worm Pump 13 carries material to charging house steward 4, and charging house steward 4 is connected with each feed-inputing branched pipe 18 respectively, The cavity that ferments with the top of fermentation tank housing 17 respectively due to each feed-inputing branched pipe 18 army is connected, then Can realize carrying the purpose of material to fermentation tank housing 17 by each feed-inputing branched pipe 18.Cone 5 end Portion has discharge nozzle and blow-off pipe 11, and discharge nozzle is connected with circulation pipe 6, circulation pipe 6 and charging house steward 4 are connected, and the material completely that will not ferment bottom cone 5 is transported to circulation pipe 6 by discharge nozzle, follows Endless tube 6 material completely that will not ferment again is transported to feed in house steward 4, feed-inputing branched pipe 18, then passes through Feed-inputing branched pipe 18 circulation and stress is transported to top fermentation continuous participation of cavity relaying of fermentation tank housing 17 and sends out Ferment.It is connected with regulating reservoir 8 by blow-off pipe 11 bottom cone 5, has at blow-off pipe 11 Matching installation Spoil disposal screw pump 12；Blow-off pipe 11 discharges the fermentation mud completely in cone 5 inner chamber, blow-off pipe 11 The mud of discharge is transported in regulating reservoir 8 by spoil disposal screw pump 12.Fermentation tank housing 17 top is provided with The escape pipe 1 being connected with top fermentation cavity, is positioned at the material fermentation within fermentation tank housing 17 and produces Biogas or fuel gas (methane, ethane etc.) through escape pipe 1 be transported in external storage device storage Store away.

Fermentation tank housing 17 of the present utility model, from the beginning of middle part, forms the cone that inclination angle is 45 degree 5, cone 5 extends up to fermentation tank housing 17 bottom.Then fermentation tank housing 17 the latter half is continued Using sheet material is to wrap whole cone 5, forms complete cylindrical body outer wall (being fermentation tank housing 17), And bottom fermentation tank housing 17, cone 5 is supported unsettled.So, whole fermentation ladle bowl Body 17 is exteriorly a cylindrical structure, but bottom be one unsettled, cone 5 that is that supported, Piecemeal activity space (namely fermenter base inner chamber 16) is left in lower section.Fermenter base inner chamber 16 Inside it is provided with feed worm pump 13, blow-off pipe 11, spoil disposal screw pump 12, top discharge pipe 9, bottom discharge pipe 10, fermenter base inner chamber 16 arranges bigger regulating reservoir 8, regulating reservoir 8 is used for discharging material Or mud temporarily stores.Feed worm pump 13, blow-off pipe 11, spoil disposal screw pump 12, top discharge pipe 9, Bottom discharge pipe 10 is positioned at tank interior, reduces the said equipment oversize and damage because being exposed to the outside time. Heating system uses solar energy and biogas heating boiler, allows spiral heating coil pipe 3 be around in fermentation tank housing 17 Periphery, is used for the heating to fermentation tank housing 17, insulation.This marsh-gas fermentation tank uses top charging, It is provided with multiple feed-inputing branched pipe 18；This marsh-gas fermentation tank uses bottom discharging, can select to control after discharging It is to be directly discharged to regulating reservoir 8 by discharging probe tube 7, or accesses charging house steward by circulation pipe 6 In 4, play the effect of Matter Transfer.The material being newly added every day utilizes vertical gravitational force urges material downward Flowing, completes the process of charging-reaction-discharging.

As it is shown in figure 1, this marsh-gas fermentation tank also includes sampling discharge nozzle 7, discharge nozzle includes top discharge pipe 9 and bottom discharge pipe 10, blow-off pipe 11 is communicated in the lower end of cone 5, top discharge pipe 9 and cone 5 The mouth of pipe that the mouth of pipe of connection connects with cone 5 higher than bottom discharge pipe 10, bottom discharge pipe 10 is with cone 5 even The mouth of pipe that the logical mouth of pipe connects with cone 5 higher than blow-off pipe 11；Top discharge pipe 9 and bottom discharge pipe 10 are equal Being connected with circulation pipe 6, circulation pipe 6 connects with the charging aperture of sampling discharge nozzle 7, samples discharge nozzle 7 Discharging opening be connected with regulating reservoir 8, sampling discharge nozzle 7 on be provided with outlet valve；When opening outlet valve, In circulation pipe 6, the material of non-complete fermentation can be transported to sample in discharge nozzle 7, by sampling discharge nozzle 7 Sample out the material of conveying in circulation pipe 6 (material of non-complete fermentation to be entirely, may be entirely The mud of complete fermentation, it is also possible to the material of non-complete fermentation and mud mixture), then to this thing Matter is tested, to judge the composition of circulation pipe 6 circulation conveying material, if being entirely non-complete fermentation Material, then circulation pipe 6 continue conveying；If the entirely mud of complete fermentation, then circulation pipe 6 stops Only conveying；If the material of non-complete fermentation and mud mixture, then circulation pipe 6 also needs to continue defeated Send.

This utility model preferred top discharge pipe 9, bottom discharge pipe 10, blow-off pipe 11, spoil disposal screw pump 12, feed worm pump 13 and material inlet 14 are respectively positioned in fermenter base inner chamber 16, the most permissible Protection top discharge pipe 9, bottom discharge pipe 10, blow-off pipe 11, spoil disposal screw pump 12, feed worm pump 13 Exempt from material inlet 14 and be exposed in natural environment, harm such as grade in bad repair of addling can be avoided.

For the ease of the discharge of mud in control of sewage disposal pipe 11, blow-off pipe 11 is provided with blowoff valve, fixed Phase opens mud valve, can be discharged in regulating reservoir by the silt the like waste that produce in course of reaction Process.

Operation principle of the present utility model is as follows:

Due to the external feed system of material inlet 14, feed system ferments to material inlet 14 methane conveying Required material (this material is firstly the need of carrying out pretreatment and being sufficiently mixed), at material inlet 14 Transporting material to feed house steward 4 by feed worm pump 13, house steward 4 is at feed worm pump 13 in charging Transporting material in each feed-inputing branched pipe 18 under conveying effect, material is carried by each feed-inputing branched pipe 18 Top to fermentation tank housing 17 is fermented in cavity, and material is piled up, due to thing in top fermentation cavity Material fermentation can occur moisture, has material liquid surface 2 in top fermentation cavity, and material ferments on top cavity Middle accumulation also relies on the gravity of material in layer to drop in cone 5 inner chamber, at fermentation tank housing 17 Top fermentation chamber external body or top fermentation chamber external body and cone 5 lumen outer helical arrangement have Spiral heating coil pipe 3, heating boiler carries heat hot water to heating pipe 15, and heating pipe 15 will add Hot delivery is in spiral heating coil pipe 3, and spiral heating coil pipe 3 is within fermentation tank housing 17 Fermentation materials carries out heating and thermal insulation, provides good fermentation to produce the temperature ring needed for biogas for material fermentation Border, improves material fermentation and produces the efficiency of biogas.Material is piled up in top fermentation cavity and ferments, Under material gravity effect, the material being positioned at fermentation cavity top, top is in earlier fermentation, is positioned at cone In 5 inner chambers, material is substantially at latter stage of fermenting.The lower end of cone 5 has blow-off pipe 11, blow-off pipe The mud produced after the fermentation completely of 11 discharge cone 5 lower ends, blow-off pipe 11 is at spoil disposal screw pump 12 Under effect, mud discharging is stacked to regulating reservoir 8.Be positioned at top discharge pipe above blow-off pipe 11 9 and under Discharge nozzle 10 all will not ferment completely with cone 5 inner space, top discharge pipe 9 and bottom discharge pipe 10 Material is transported in circulation pipe 6, circulation pipe 6 will not ferment material completely be then transported to feed house steward In 4, the material that material enters with material inlet 14 completely that do not ferments is mixed together by charging house steward 4 again Being transported in each feed-inputing branched pipe 18, mixtures of materials is transported to the ladle bowl that ferments by each feed-inputing branched pipe 18 The top fermentation cavity relaying supervention ferment of body 17, it is achieved that can be to the circulation of the material completely of not fermenting Utilize, it is provided that the utilization rate of the energy.

Circulation pipe 6 of the present utility model connects with sampling discharge nozzle 7, sampling discharge nozzle 7 and regulating reservoir 8 It is connected, sampling discharge nozzle 7 is provided with outlet valve；When opening outlet valve, material meeting in circulation pipe 6 Being transported to sample in discharge nozzle 7, sampling out, by sampling discharge nozzle 7, the material carried in circulation pipe 6 (can The material of non-complete fermentation can be entirely, the mud of complete fermentation may be entirely, it is also possible to the most complete The material of fermentation and mud mixture), then this material is tested, it can be determined that circulation pipe 6 follows The component of ring conveying material, if being entirely the material of non-complete fermentation, then circulation pipe 6 continues conveying； If the entirely mud of complete fermentation, then circulation pipe 6 stops conveying；If the thing of non-complete fermentation Material and mud mixture, then circulation pipe 6 needs for continuing conveying.

Fermentation tank housing 17 top has the escape pipe 1 being connected with top fermentation cavity, is positioned at fermentation Biogas or fuel gas (methane, ethane etc.) that material fermentation within tank shell 17 produces can be upper Fermentation cavity in portion's is positioned on material liquid surface 2, is positioned at the biogas above material liquid surface 2 or combustible gas Body is transported in external storage device store through escape pipe 1.

Above-mentioned embodiment is a preferred embodiment of the present utility model, is not for limiting this The enforcement of utility model and interest field, all according to described in this utility model patent protection scope Content make equivalence change and approximation replace, all should fall in protection domain of the present utility model.

Claims (5)

1. a marsh-gas fermentation tank, it is characterized in that: include fermentation tank housing (17), heating pipe (15), charging house steward (4), escape pipe (1), discharge nozzle, regulating reservoir (8) and cone (5), described fermentation tank housing (17) is internal has fermentation cavity, the fermentation cavity middle and lower part of fermentation tank housing (17) is provided with cone (5), the fermentation cavity of fermentation tank housing (17) is divided into top fermentation cavity and bottom fermentation cavity by cone (5), and bottom fermentation cavity is fermenter base inner chamber (16)；Described fermentation tank housing (17) external helicoid is placed with the spiral heating coil pipe (3) that material in fermentation chamber body carries out heating and thermal insulation, and fermentation tank housing (17) is outside is additionally provided with the heating pipe (15) being connected with spiral heating coil pipe (3)；Described charging house steward (4) is connected with material inlet (14), material inlet (14) external feed system, it is provided with feed worm pump (13) at material inlet (14) place, fermentation tank housing (17) top is provided with several feed-inputing branched pipes (18) being connected with top fermentation cavity, and all of feed-inputing branched pipe (18) is connected with charging house steward (4) respectively；Described cone (5) bottom has discharge nozzle and blow-off pipe (11), described discharge nozzle is connected with circulation pipe (6), described circulation pipe (6) is connected with charging house steward (4), described cone (5) bottom is connected with regulating reservoir (8) by blow-off pipe (11), has spoil disposal screw pump (12) at blow-off pipe (11) Matching installation；Described fermentation tank housing (17) top is provided with the escape pipe (1) being connected with top fermentation cavity.

2. according to a kind of marsh-gas fermentation tank described in claim 1, it is characterised in that: also including heating boiler, described heating pipe (15) is airtight with heating boiler to be connected.

3. according to a kind of marsh-gas fermentation tank described in claim 2, it is characterized in that: also include sampling discharge nozzle (7), described discharge nozzle includes top discharge pipe (9) and bottom discharge pipe (10), described blow-off pipe (11) is communicated in the lower end of cone (5), the mouth of pipe that the mouth of pipe that top discharge pipe (9) connects with cone (5) connects with cone (5) higher than bottom discharge pipe (10), the mouth of pipe that the mouth of pipe that bottom discharge pipe (10) connects with cone (5) connects with cone (5) higher than blow-off pipe (11)；Described top discharge pipe (9) is all connected with circulation pipe (6) with bottom discharge pipe (10), circulation pipe (6) connects with the charging aperture of sampling discharge nozzle (7), the discharging opening of sampling discharge nozzle (7) is connected with regulating reservoir (8), is provided with outlet valve in sampling discharge nozzle (7).

4. according to a kind of marsh-gas fermentation tank described in claim 3, it is characterised in that: described top discharge pipe (9), bottom discharge pipe (10), blow-off pipe (11), spoil disposal screw pump (12), feed worm pump (13) and material inlet (14) are respectively positioned in fermenter base inner chamber (16).

5. according to a kind of marsh-gas fermentation tank described in claim 1 or 4, it is characterised in that: described blow-off pipe is provided with blowoff valve on (11).