CN206069860U - Continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment - Google Patents

Abstract

This utility model discloses a kind of continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment, the equipment includes mixing regulating reservoir, wet type anaerobic ferment devices, dry-type anaerobic fermentation device and fermentation residue dehydration drawing mechanism, it is sequentially connected in series by pipeline between them, dry-type anaerobic fermentation device bottom is provided with the V-arrangement filtrate receiver that wall is porous filter plate, it is dry-type anaerobic fermentation area above which, lower section is filtrate storehouse, in filtrate storehouse, detached biogas slurry returns mixing regulating reservoir by pipeline, and the bottom land biogas residue of V-arrangement filtrate receiver is discharged via fermentation residue dehydration drawing mechanism；The equipment improves reactor for treatment ability and volume yield rate, solve a difficult problem for high solid or dry type reactor input and output material, realize biogas slurry zero-emission, without the need for biogas slurry backflow spray operation, fermentation residue dehydration can make fermentation residue moisture content be reduced to 65% 75%, it is easy to follow-up link to utilize, enormously simplify engineering operation operation link.

Description

Continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment

Technical field

The present invention relates to organic waste treatment and regenerative resource development technique field, particularly a kind of continuous type wet is done Two-stage dynamic anaerobic fermentation equipment.

Background technology

Anaerobic fermentation technology can be divided into two kinds of wet type fermentation, high concentration or dry fermentation according to fermentation materials dry substance concentration Mode.Traditional wet fermentation technology, refers to and mixes the Organic substances such as straw and human and animal excreta, industrial wastewater, in the work of anaerobe Form methane with.As straw easily occurs the problems such as serious floating crust, layering in wet type fermentation, avoid mostly adding Enter the substrate of the proportions such as straw relatively light and difficult degradation.High gravity fermentation technology is with solid organic castoff as raw material（Total solid Content is more than 10%）Anaerobic fermentation is carried out, its major advantage compared with wet fermentation is using water wisely, save management methane-generating pit institute In the man-hour for needing, it is higher etc. that pond holds factor of created gase.But the poor fluidity of high solid content material, mass-and heat-transfer are difficult so that dry type anaerobism Fermentation technique has higher requirement to pre-processing device, conveying equipment, mixing plant etc..

At present for high concentration or dry-type anaerobic fermentation apparatus for feeding, because seal request is high, conventional has vacuum pump, hydraulic pressure Solid pump or piston pump, though these pumps can be buied from the market, as such special equipment technology only has the fewer companies palm Hold, therefore price is often costly.And for discharging equipment, as solid material flowing property is poor, charging/discharging device is sealed Requirement is very high, therefore engineer applied is mostly batch fermentation at present, i.e. " charging-sealing-aerogenesis-stop the supple of gas or steam-discharge " fermentation pattern, this The mode of kind certainly will cause the contradiction that intermittent fermentation gas are continuously generated and continuously supplied with raw material, and adopt loader or digging Pick machine discharges, there are problems that working performance is low, intensity big, severe operational environment and, therefore develop continuous Or semi continuous efficient ferment apparatus and technique, the big advantage of high gas-solids reactors offal treatment ability is played significantly,

Additionally, in high gravity fermentation device after organic materials fermentation ends, moisture content generally up to more than 75%, this thing The fermentation residue of reason state is difficult to use in following resourceization utilization.The fermentation materials for generally cleaning out batch at present pass through wet-milling Broken post blend other dry adjuvants carry out compost treatment, increase link so as to increase project treatment cost.Therefore, develop adaptation High gravity fermentation material input and output material, and have the anaerobic ferment devices and process of continuous dehydration discharging functions concurrently, with very Good commercial application prospect.

As marsh gas fermentation processes are related to the multi-stage combination effect of various anaerobic fermentation microorganisms, therefore multistage fermentation technology Because being capable of achieving function division, with fermenting speed is fast, degradation rate is high and shortens the clear superiorities such as fermentation period, in recent years increasingly Paid attention to by domestic and international experts and scholars and biogas engineering application.Cheng etc.（Bioresour Technol, 2012, 114 : 327-33）Be combined the technical study for carrying out that straw produces biogas using CSTR and UASB, and methane production reaches 200.9mL/g, while obtaining 67.1% energy recovery rate.

Publication number CN103667025 A disclose a kind of dry-and-wet combined anaerobic ferment process, mainly by high gravity fermentation Raw material is pumped in dry type anaerobic reactor using plunger, and the low concentration fermentation residues in wet type fermentation tank for it is highly concentrated Degree raw material mixed fermentation；Publication number CN104355707 A disclose a kind of dry and wet simultaneous digestion and process fowl and animal excrement with straw Method, predominantly wet type anaerobic digestion+dry type aerobic fermentation+dry anaerobic digestion, while carrying out percolate backflow.Above patent The dry-and-wet combined and dry and wet joint are not implemented dry type and are directly connected with wet type installation for fermenting, and material is interconnected.

And publication number CN101973682 A disclose a kind of dry-wet-coupled anaerobic fermentation technical method, detest wet type biphase The biogas residue and biogas liquid generated in aerobe fermentation method sends into dry-type anaerobic fermentation method, carries out nature solid-liquid separation to biogas residue and biogas liquid；It is public The number of opening CN104745369 A disclose a kind of united two-stage anaerobic fermentation methane production technique of wet method-dry method, and what is will crushed consolidates Body garbage is mixed in full wet type reactor with inoculum carries out wet method anaerobic fermentation, hydraulic detention time 5-20 days, fermentation Feed liquid is delivered to bottom afterwards having in the dry method fermentation reactor of percolating device carries out dry method solid fermentation.Additionally, applicant The side that a kind of scale wood fiber raw material anaerobic fermentation produces biogas is disclosed in the patent documentation of publication number CN104357488 Method, will lignocellulose raw material be crushed to below 5cm, add inoculum to size mixing, add carry out in continuous stirring formula reactor it is wet Formula anaerobic fermentation, is then dehydrated the daily biogas residue discharged to biogas residue moisture content 75%- 85% immediately, then dehydration biogas residue is added Into semicontinuous charging high solid anaerobic reactor.

But document disclosed above only relates to for fermentation materials dry fermentation be proceeded to from wet type fermentation, but be not directed to dry type Fermentation biogas slurry reuse to wet type is fermented feed system, and is also not directed to dry fermentation reactor how input and output material problem, only stops Stayed in conceptual design or laboratory research stage, there is not yet from equip needed for the clear and definite links of fermentation technology process angle with And the relevant report how to realize.

The content of the invention

The purpose of the present invention is the characteristics of being often presented low after front height for organic waste anaerobic biotransformation speed, is tied Close that current biogas engineering generally existing volume yield rate is low, anaerobic reactor disposal ability is low, one-time investment is higher, biogas slurry Dissolve or the problems such as process problem is projected, give full play to wet type anaerobic fermentation and high solid or dry-type anaerobic fermentation each advantage, mutually For supplement, cooperate, be both capable of achieving different type organic materials mixed feeding, also solve high solid or dry type reactor and be difficult to A difficult problem for charging, without the need for biogas slurry self-loopa operation, and can continuously or semi-continuously discharge solid residue, with residue dehydration Function, is capable of achieving biogas slurry zero-emission or few discharge, so that the technique is more wide in range to waste materials subject range, can answer For the biogas engineering of different scales, what the present invention was realized in：

A kind of continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment, including mixing regulating reservoir, closed installation for fermenting, fermentation Residue is dehydrated drawing mechanism, it is characterised in that described closed installation for fermenting includes that wet type anaerobic ferment devices and dry type are detested Aerobe fermentation device, charging aperture are respectively positioned on their top, and outfan is located at their bottom, is equipped with biogas defeated at the top of them Go out pipeline, the level height of dry-type anaerobic fermentation device charging aperture is less than the 1/15- of liquid level in wet type anaerobic ferment devices 1/20, control valve is provided between wet type anaerobic ferment devices outfan and dry-type anaerobic fermentation device charging aperture；Mixing regulating reservoir, Wet type anaerobic ferment devices and dry-type anaerobic fermentation device are sequentially connected in series by pipeline, and dry-type anaerobic fermentation device bottom is provided with footpath To V-arrangement filtrate receiver, the wall of V-arrangement filtrate receiver is porous filter plate, and the top of V-arrangement filtrate receiver is dry-type anaerobic fermentation area, lower section For filtrate storehouse, fermentation residue dehydration drawing mechanism is located at the bottom land of V-arrangement filtrate receiver；The level height in filtrate storehouse is adjusted higher than mixing At the top of pond, in filtrate storehouse, detached biogas slurry returns mixing regulating reservoir by pipeline, and the bottom land biogas residue of V-arrangement filtrate receiver is residual via fermenting Slag dehydration drawing mechanism is discharged.

Preferably, in continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment of the present invention, wet type anaerobic ferment devices Exported after the process of marsh gas purifying purifying plant again after converging with the biogas output pipe of dry fermentation device；The biogas is net Changing purifier units includes dehydration device, desulfurizer and purifying plant, and the desulfurizer can adopt dry desulfurization, wet desulphurization With bioanalysises desulfurization；The purifying plant can adopt pressure swing adsorption method, WATER-WASHING METHOD and membrane separation process.

Preferably, in continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment of the present invention, described fermentation residue takes off Water drawing mechanism is level through the screw auger pusher component of dry fermentation device, pitch along residue discharge direction spacing by It is tapered little, make into the fermentation materials volume between packing auger blade constantly to reduce, so as to realize fermentation residue dehydrations；Spiral is twisted V-arrangement filtrate receiver is below imperial pusher component, dry fermentation shelf jar external body is double with auger diameter identical by an internal diameter Layer straight tube composition, and level is embedded is connected with tank body, the middle straight tube of double-deck straight tube is antipriming pipe, aperture 2-3mm, pitch of holes 0.5-1cm, outer layer straight tube bottom are connected with porous filter plate, and screw auger pusher motor terminal power transmission shaft is embedded by bearing The seal receptacle of tank body, and being connected with shaft sealing part and motor outside tank body, slag notch side is by being connected with transmission main shaft Bearing and support member composition.

Preferably, in continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment of the present invention, regulating reservoir and wet type are mixed Feed pump is provided between anaerobic ferment devices, the material after mixing regulating reservoir mixing will pump into wet type along pipeline by feed pump to be detested Aerobe fermentation device；Described mixing regulating reservoir, wet type anaerobic ferment devices and dry-type anaerobic fermentation device are equipped with containing paddle The agitating device of piece, agitating device are stirred using top center, can arrange layer 2-4 stirring vane according to tank body height, and blade is long Degree is slightly less than tank diameter, and wherein the superiors' blade and horizontal liquid level is 45 ° of angles, and blade installation site is equal to or slightly higher than Liquid level, to ensure to abolish top layer scum silica frost；Stirring vane can be vane type, or spring, stir radiation scope smaller In tank diameter, each layer blade or spring multi-directionally are arranged；Wherein, dry-type anaerobic fermentation device stirs shaft length with apart from natural pond Slag drawing mechanism auger top 1cm is advisable, and shaft topmost stirring vane is cloth blade, and lowermost end setting is perpendicular to stirring One group of stirring vane of axle, is easy to supply auger discharging in drawing mechanism.

In the present invention, the tank body of the wet type anaerobic ferment devices and dry-type anaerobic fermentation device can be concrete, steel System or enamel assembling, or vertical or horizontal；Feed arrangement is provided with charging aperture, i.e., using screw pump, submersible sewage pump or dirt The equipment such as dredge pump will mix the good product pump of regulating reservoir mixture and send in wet type anaerobic fermentation tank body；Charging aperture is arranged on tank body Portion, and discharging opening is arranged on tank base, forms " upper entering and lower leaving " type type of flow, in concrete operations, charging aperture can arrange one It is individual or multiple；The discharging opening of tank base is provided towards discharge outlet in 5-10 ° of inclination angle, is easy to fermented feed liquid to collect and is arranged Go out.

The present invention passes through to mix with anaerobic fermentation inoculum through differential pretreated different type organic materials, Wet type anaerobic fermentation unit is pumped into using submersible sewage pump, after one section of fermentation period, control valve is opened, fermented feed liquid is dry from flowing into Formula anaerobic fermentation unit, realizes material solid-liquid separation and individually ferments by the porous filter plate for being arranged at bottom, treat anaerobic fermentation In tank, material is filled and after some cycles that ferment, and is opened drawing mechanism, by fermenter base residue continuous dehydration and is discharged fermentation Outside tank, and more biogas slurries are then stored in fermenter base biogas slurry storehouse, and opening biogas slurry outlet valve makes biogas slurry gravity flow entrance size mixing Pond, the combined inoculation for the new material of next group are sized mixing process, now into subsequent cycle.

Compared with prior art, the device suitable treatment multivariate organic waste that the present invention is provided, at utmost can carry High reactor for treatment ability and volume yield rate, reduce cost of investment；Solve high solid or dry type reactor and be difficult to what is fed A difficult problem, and novelty designs the continuous discharging device for having dehydrating function concurrently, realizes biogas slurry zero-emission, flows back without the need for biogas slurry Spray operation, and it is anti-come the high solid or dry type of drip washing using the feed liquid discharged in wet type fermentation tank by intermittently or serially feeding manner The old material in device is answered, material mass transfer effect is improved, prevents local acidifying problem, fermentation residue dehydration from can make fermentation residue moisture content 65%-75% is reduced to, is easy to follow-up link to utilize.Whole technical process only needs a feed riser operation, remaining link according to By depth displacement gravity flow effect into next link, engineering operation operation link is enormously simplify, so that engineering operation is easy And save engineering capital expenditure.

Description of the drawings

Fig. 1 is the structural representation that continuous way wet-and-dry two-stage dynamic anaerobic fermentation prepares biological flue gas equipment.

Fig. 2 is the sectional view of dry-type anaerobic fermentation device in Fig. 1.

Fig. 3 is A-A direction views in Fig. 2.

Fig. 4 is fermentation residue dehydration drawing mechanism structural representation.

Fig. 5 is that continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment prepares biological flue gas process chart.

In figure, 1- feeding platforms；2- feeds swash plate；3- mixing regulating reservoirs；4- agitating devices；5- feed pumps；6- enters Pipe material；7- charging apertures；8- wet type anaerobic ferment devices；9- biogas outfans；10- stirring vanes；11- outfans； Feed liquid pipeline between 12- wet-and-dry two-stage fermentation units；13- dry-type anaerobic fermentation devices；14- cloth blades；15- is stirred Blade；16- fermentation residues are dehydrated drawing mechanism；17- porous filtering pipes；18- biogas residues are exported；19- filtrates storehouse；20- biogas slurries Outlet；21- biogas slurry reuse pipelines；22- biogas output channels；23- marsh gas purifying purifying plants；24- motor；25- axles Seal member；The big bearings of 26-；27- packing auger blades；28- support bars；The little bearings of 29-；30- outer layer straight tubes；31- porous is filtered Plate；32- charging apertures.

Specific embodiment

Accompanying drawing discloses the concrete structure of the embodiment of the present invention without limitation, below in conjunction with the accompanying drawings the present embodiment is made into One step is described.

As shown in figure 1, a kind of continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment, including mixing regulating reservoir 3, closed send out Ferment device and fermentation residue dehydration drawing mechanism 16, are provided with charging swash plate 2 and feeding platform 1 outside mixing regulating reservoir 3；Described Closed installation for fermenting includes wet type anaerobic ferment devices 8 and dry-type anaerobic fermentation device 13, and charging aperture 7 is sent out positioned at wet type anaerobism The top of ferment device 8, charging aperture 32 are located at the top of dry-type anaerobic fermentation device 13, and outfan 11 is filled positioned at wet type anaerobic fermentation Put 8 bottom, outfan 18（Biogas residue is exported）Positioned at the bottom of dry-type anaerobic fermentation device 13,

The top of wet type anaerobic ferment devices 8 and dry-type anaerobic fermentation device 13 is equipped with biogas outfan 9 and biogas is defeated Go out pipeline 22；The level height of 13 charging aperture 32 of dry-type anaerobic fermentation device is less than liquid level in wet type anaerobic ferment devices 8 1/15-1/20, be provided with control between 13 charging aperture 32 of 8 outfan 11 of wet type anaerobic ferment devices and dry-type anaerobic fermentation device Valve；Mixing regulating reservoir 3, wet type anaerobic ferment devices 8 and dry-type anaerobic fermentation device 13 are sequentially connected in series by pipeline, and mixing is adjusted Feed pipe 6, wet type anaerobic ferment devices 8 and dry-type anaerobic fermentation device 13 are provided between pond 3 and wet type anaerobic ferment devices 8 Between be provided with feed liquid pipeline 12 between wet-and-dry two-stage fermentation unit, set on the feed liquid pipeline 12 between wet-and-dry two-stage fermentation unit There is control valve.

As shown in Figure 2,3,（Schematic cross-sections of the Fig. 2 for dry-type anaerobic fermentation device 13, Fig. 3 be in Fig. 2 A-A to regarding Figure）, 13 bottom of dry-type anaerobic fermentation device is provided with the V-arrangement filtrate receiver of radial direction, and the wall of V-arrangement filtrate receiver is porous filter plate 31（Hole Footpath 2-3mm, pitch of holes 0.5-1cm）；The top of V-arrangement filtrate receiver be dry-type anaerobic fermentation area, lower section be filtrate storehouse 19, filtrate storehouse Top of 19 level height higher than mixing regulating reservoir 3, in filtrate storehouse 19, detached biogas slurry is returned along biogas slurry by biogas slurry outlet 20 Mixing regulating reservoir 3 is returned with pipeline 21；Fermentation residue dehydration drawing mechanism 16 is located at the bottom land of V-arrangement filtrate receiver；V-arrangement filtrate receiver with Fermentation residue dehydration drawing mechanism 16 is vertical, with horizontal direction perpendicular to the diameter of drawing mechanism and the joint of tank wall for Initial point, from starting point to drawing mechanism in auger diameter points of tangency be distal point；Natural pond after the bottom land dehydration of V-arrangement filtrate receiver Slag is dehydrated drawing mechanism 16 by fermentation residue and is discharged by biogas residue outlet 18.

Fig. 4 is the structural representation that fermentation residue is dehydrated drawing mechanism 16（Refer to patent ZL201620010813.3）, such as Shown in Fig. 4, in the present embodiment, fermentation residue dehydration drawing mechanism 16 is that level is twisted through the spiral of dry-type anaerobic fermentation device 13 Imperial pusher, is V-arrangement filtrate receiver, by an internal diameter outside 13 tank body of dry fermentation device below screw auger pusher Be embedded in and 16 tank body phase of drawing mechanism be dehydrated with fermentation residue with 27 diameter identical of packing auger blade bilayer straight tube composition, and level Even, the middle straight tube of double-deck straight tube is antipriming pipe, and aperture 2-3mm, pitch of holes 0.5-1cm, 30 bottom of outer layer straight tube are filtered with porous Plate 17 is connected, and screw auger pusher motor terminal power transmission shaft is embedded in the seal receptacle of tank body, and and tank body by big bearing 26 Outer shaft sealing part 25 and motor 24 connect, and biogas residue is exported 18 sides by the little bearing 29 being connected with transmission main shaft and propped up Strut 28 is constituted；In screw auger pusher described in embodiment, 27 spacing of packing auger blade exports 18 sides along motor to biogas residue To tapering into, make into the fermentation materials volume between packing auger blade 27 constantly to reduce, so as to realize fermentation residue dehydrations.

In the present embodiment, it is equipped with mixing regulating reservoir 3, wet type anaerobic ferment devices 8 and dry-type anaerobic fermentation device 13 Containing stirring vane（10,15）Agitating device 4, agitating device 4 using top center stir, according to tank body height 2-4 can be set Layer stirring vane（10,15）, length of blade is slightly less than tank diameter, and wherein the superiors' blade and horizontal liquid level are 45 ° of angles, and Blade installation site is equal to or slightly higher than liquid level, to ensure to abolish top layer scum silica frost；Stirring vane（10,15）Can be vane type, Can also be spring, stirring radiation scope is slightly less than tank diameter, each layer blade or spring multi-directionally arrangement；Wherein, do Formula anaerobic ferment devices 13 stir shaft length to be advisable apart from 16 auger top 1cm of biogas residue drawing mechanism, its shaft topmost Stirring vane be cloth blade 14, lowermost end arrange perpendicular to shaft one group of stirring vane 15, be easy to supply drawing mechanism Middle auger discharging.

In the present embodiment, the biogas output pipe 22 of wet type anaerobic ferment devices 8 and dry fermentation device 13 converge after Jing Cross after marsh gas purifying purifying plant 23 is processed and export again；The marsh gas purifying purifying plant 23 includes dehydration device, desulfurizer And purifying plant, the desulfurizer can adopt dry desulfurization, wet desulphurization and bioanalysises desulfurization；The purifying plant can be adopted Pressure swing adsorption method, WATER-WASHING METHOD and membrane separation process.

In the present invention, the tank body of the wet type anaerobic ferment devices 8 and dry-type anaerobic fermentation device 13 can be concrete, Steel or enamel assembling, or vertical or horizontal；Feed arrangement is provided with charging aperture 7, i.e., by feed pump 5（Screw pump, The equipment such as submersible sewage pump or sludge pump）Mixing 3 mixture of regulating reservoir good product pump is sent in wet type anaerobic fermentation equipment 8；Charging Mouthfuls 7 are arranged on tank body top, and discharging opening（11,18）Tank base is arranged on, " upper entering and lower leaving " type type of flow is formed, specifically In operation, charging aperture 7 can arrange one or more；The discharging opening of tank base is provided towards discharge outlet in 5-10 ° of inclination angle, It is easy to fermented feed liquid to collect to be discharged.

Fig. 5 is that continuous way wet-and-dry two-stage dynamic anaerobic fermentation equipment prepares biological flue gas technological process described in Application Example Figure, as shown in figure 5, in specific implementation process, first by the organic materials through different pretreatments（Lignocellulose solid Garbage, high-moisture percentage plant residue, changing food waste, human and animal excreta and other organic wastes）According to fermented feed liquid dry Matter concentration requirement and the complementary requirement of raw material（Raw material when mixing can by high nitrogen material and high-carbon material, high solid material and high moisture material, Easily decomposing materials and difficult degradation material are collocated with each other mixing so that fermented feed liquid characteristic reaches optimal fermentation and requires）, by charging Platform 1 is put in mixing regulating reservoir 3 in the lump along charging swash plate 2, adds anaerobic fermentation inoculum, then opens dry type anaerobism The biogas slurry outlet valve 20 of installation for fermenting 13, makes the biogas slurry in dry-type anaerobic fermentation device 13 flow into along biogas slurry reuse pipeline 21 mixed Close in regulating reservoir 3, adjust material and size mixing concentration, open agitating device 4 and stir, it is standby；Feed pump 5 is recycled by material edge Feed pipe 6 is pumped in wet type anaerobic ferment devices 8 by charging aperture 7, carries out wet type anaerobic fermentation, and intermittent stirring material, The biogas that fermentation is produced leads to marsh gas purifying purifying plant 23 along biogas output pipe 22 by biogas outfan 9；

Wet type anaerobic fermentation for a period of time after, open the control valve on feed liquid pipeline 12, wet type anaerobic ferment devices 8 are produced Material by feed liquid pipeline 12 from flowing in dry-type anaerobic fermentation device 13（By arranging wet type and dry fermentation tank difference in height Realize）, biogas slurry separates inflow filtrate storehouse 19 by the porous filter plate 17 of V-arrangement filtrate trough wall surface, and leftover materials are in dry-type anaerobic fermentation Area is fermented, and the biogas for producing that ferments leads to marsh gas purifying purifying plant along biogas output pipe 22 by biogas outfan 9 23；

After fermentation ends, fermentation residue dehydration drawing mechanism 16 is opened, motor 23 is opened, is started screw auger pusher structure Part, biogas residue are dehydrated along packing auger blade and are discharged by biogas residue outlet 18, can be used as fertilizer；Tapping process continues detached Biogas slurry then enters filtrate storehouse 19 through the perforated strainer 17 of V-arrangement filtrate cell wall, and preparation inflow mixed fermentation pond 3 enters to be followed next time Ring.

This utility model can also have other various embodiments, in the case of without departing substantially from spirit of the invention and its essence, ripe Know those skilled in the art and various corresponding changes and deformation, but these corresponding changes and deformation can be made according to the present invention The protection domain of appended claims of the invention should all be belonged to.

Claims (4)

1. a kind of dynamic anaerobic fermentation equipment of continuous way wet-and-dry two-stage, including mixing regulating reservoir, closed installation for fermenting and fermentation Residue is dehydrated drawing mechanism, it is characterised in that described closed installation for fermenting includes that wet type anaerobic ferment devices and dry type are detested Aerobe fermentation device, charging aperture are respectively positioned on their top, and outfan is located at their bottom, is equipped with biogas defeated at the top of them Go out pipeline, the level height of dry-type anaerobic fermentation device charging aperture is less than the 1/15- of liquid level in wet type anaerobic ferment devices 1/20, control valve is provided between wet type anaerobic ferment devices outfan and dry-type anaerobic fermentation device charging aperture；Mixing regulating reservoir, Wet type anaerobic ferment devices and dry-type anaerobic fermentation device are sequentially connected in series by pipeline, and dry-type anaerobic fermentation device bottom is provided with footpath To V-arrangement filtrate receiver, the wall of V-arrangement filtrate receiver is porous filter plate, and the top of V-arrangement filtrate receiver is dry-type anaerobic fermentation area, lower section For filtrate storehouse, fermentation residue dehydration drawing mechanism is located at the bottom land of V-arrangement filtrate receiver；The level height in filtrate storehouse is adjusted higher than mixing At the top of pond, in filtrate storehouse, detached biogas slurry returns mixing regulating reservoir by pipeline, and the bottom land biogas residue of V-arrangement filtrate receiver is residual via fermenting Slag dehydration drawing mechanism is discharged.

2. continuous way wet-and-dry two-stage according to claim 1 dynamic anaerobic fermentation equipment, it is characterised in that wet type anaerobism is sent out The biogas output pipe of ferment device and dry fermentation device is exported after converging after the process of marsh gas purifying purifying plant again.

3. continuous way wet-and-dry two-stage according to claim 1 dynamic anaerobic fermentation equipment, it is characterised in that described fermentation Residue is dehydrated drawing mechanism for screw auger pusher component, and spacing of the pitch along residue discharging direction is gradually reduced.

4. the dynamic anaerobic fermentation equipment of continuous way wet-and-dry two-stage according to one of claim 1-3, it is characterised in that mixing Feed pump is provided between regulating reservoir and wet type anaerobic ferment devices；Described mixing regulating reservoir, wet type anaerobic ferment devices and dry Formula anaerobic ferment devices are equipped with the agitating device containing layer 2-4 stirring vane, wherein, the top stirring of dry-type anaerobic fermentation device Blade is cloth blade.