CN203393145U - Methane continuous fermentation device - Google Patents

Abstract

The utility model discloses a methane continuous fermentation device, and belongs to the technical field of methane fermentation equipment, aiming to overcome the problems that an existing methane fermentation device is unreasonable in structure, dead angles exist in part of a fermentation tank, and the gas production rate per unit is low. A tank-type charge device and a charge pump are connected in parallel and are connected with a material conveying pipe; the material conveying pie is provided with and connected with a plurality of charge branch pipes communicated to the interior of a fermentation tank; the fermentation tank is internally provided with a plurality of temperature monitoring meters, a plurality of potential of hydrogen monitoring meters and a heating coil; a solar water heater and a hot water boiler are connected with a stirring burdening tank in parallel; the bottom of the fermentation tank is provided with a plurality of residue material discharge branch pipes connected with a residue material discharge pipe in parallel, and the residue material discharge pipe is provided with an externally connected scrubbing pipe; a gas conveying pipe of the fermentation tank is sequentially connected with an anti-explosion dehydration tank, a gas conveying pump, a dehydration tank, a desulfurizing tank, a methane purification separator, a gas storage tank, and a secondary anti-explosion dehydration tank, and then is respectively connected with a user pipe network and an automobile fueling station storage tank. The methane continuous fermentation device is simple and practical in structure, and is suitable for large and medium-sized methane fermentation production systems.

Description

Continuous methane fermentation device

Technical field

The utility model belongs to a kind of biogas fermentation device in biogas fermentation equipment technical field.

Background technology

Growing along with biogas industry, also more and more higher to the technical requirements of methane production fermenting device.In known technology, existing biogas fermentation device is mainly by marsh-gas fermentation tank, raw material cabin, Mix and dosing pond, hot water boiler, feeding pump, carrier pipe, slag charge storage pond, pneumatic tube, gas-holder etc. connect to form, mostly fermentor tank is the single pipe charging adopting, single pipe discharging ask the formula fermentation unit of having a rest, after charging, carry out fermentation gas, after setting-up time, material slag is all gone out to tank, fermentation so repeatedly, but limit by the structure of its fermentor tank and complete assembly thereof, its syndeton is unreasonable, fermentor tank charging, discharging is inhomogeneous, while easily causing the interior part of fermentor tank to have dead angle even long, be detained material, the volume of fermentor tank is not fully utilized, cause unit volume factor of created gase low, and dehydration, desulfurization is not thorough, to use, make troubles.

Summary of the invention

In order to overcome the deficiency of prior art, solve existing biogas fermentation device unreasonable structure, there are dead angle, problem that unit volume factor of created gase is low in part in fermentor tank.The purpose of this utility model is to provide a kind of simple and practical, and the fermentation raw material that can make fermentor tank enter is uniformly dispersed, and discharge is abundant, unit volume product biogas amount is high, and desulfurization dewatering is thorough, be suitable for producing continuously biogas, new-type biogas fermentation device safe and convenient to use.

The technical scheme in the invention for solving the above technical problem is:

A device, it is provided with: fermentor tank, raw material cabin, Mix and dosing pond, hot water boiler, feeding pump, carrier pipe, slag charge pond, pneumatic tube, gasing pump, explosion-proof water knockout, water knockout, digester, methane purification separator, gas-holder, pot type loader, Vehicle Fueling Station storage tank, solar water heater, the air-supply duct of pot type loader is communicated with gas-holder, feed-pipe is connected in Mix and dosing pond, the discharging of discharging connecting leg and feeding pump is taken over to be in parallel and is connected carrier pipe, and the top that carrier pipe is connected to fermentor tank is fitted with 1-20 root charging take-off pipe and is communicated in fermentor tank, is equiped with respectively several temperature monitoring tables in the tank body of fermentor tank, several potential of hydrogen monitoring forms and heating coil, the hydraulic pipe of solar water heater and the hot water boiler Mix and dosing pond that is connected in parallel, is equipped with 1-20 root deslagging material arm and is connected on slag charge vent pipe at the pot bottom of fermentor tank, and slag charge vent pipe one end connects slag charge pond, the other end is communicated with Mix and dosing pond, and on slag charge vent pipe, is equiped with the external flush pipe of belt switch valve, and thunder arrester is equipped with at the top of fermentor tank, safety valve and pneumatic tube, pneumatic tube first connects after explosion-proof water knockout, then is connected in series successively water knockout by connected gasing pump, digester, methane purification separator, gas-holder, gas-holder connects respectively user's pipe network and Vehicle Fueling Station storage tank after by the explosion-proof water knockout of pneumatic tube connecting secondary.

Above-mentioned a kind of Continuous methane fermentation device, is equiped with material loading viewing window on the middle part body of described carrier pipe.

Above-mentioned a kind of Continuous methane fermentation device, described digester is two digesters that connect side by side.

Above-mentioned a kind of Continuous methane fermentation device, described heating coil is any of hot water heating coil pipe and electrically heated coil pipe, and other adaptive type heating coil, hot water heating coil pipe connects the hydraulic pipe of solar water heater and hot water boiler.

When the utility model is used, by design requirements, be attached to desired location, switch on power, or again the connection industrial control computers such as the stirrer in the heating coil of fermentor tank, temperature monitoring table, several potential of hydrogen monitoring forms, feeding pump, Mix and dosing pond, gasing pump are shown respectively and controlled.Because drawing materials on ground, fermentation raw material adopts various agricultural crop straws, or the mixed ingredients such as feces of livestock and poultry, stalk, industrial or agricultural organic waste.During first feeding in raw material, add biogas fermentation containing bacterium inoculum, enter Mix and dosing pond and raw material stirring even, there are again hot water boiler or solar water heater to supply with and add hot water, by feeding pump or pot type loader, through carrier pipe and feed-inputing branched pipe, be input to fermentor tank, in tank, control feed temperature under 30～60 ℃ of conditions, carry out fermentation and biogas production.Biogas that fermentor tank produces is transported to explosion-proof water knockout by top pneumatic tube and carries out explosion-proof dehydration, again by after gasing pump pressurization and second dehydration, through digester, carry out desulfurization, enter methane purification separator successively, contained carbonic acid gas is proposed and carry for agricultural or industrial production, methane gas after purification is delivered to gas-holder, and the flammable biogas (methane gas) of gas-holder is transported to user's pipe network again or/and Vehicle Fueling Station storage tank after explosion-proof water knockout; Slag charge after aerogenesis by fermentation in fermentor tank, slag charge vent pipe by fermentor tank bottom deslagging material arm through being communicated with is discharged to slag charge pond and is in charge of part slag charge is fed back to Mix and dosing pond as containing bacterium inoculum by slag charge, delivers to fertilizer source mill and manufacture pollution free organic fertilizer after the slag charge in slag charge pond is concentrated.In the process of fermentation unit normal gas producing operation, regularly by the ferment external flush pipe of tank base connection of unlatchings, regularly to wash away, the local dead angle in elimination fermentor tank, to guarantee that fermentation system moves safely and efficiently.

Because the utility model design has adopted technique scheme, effectively solved existing biogas fermentation device unreasonable structure, in fermentor tank, there are dead angle, problem that unit volume factor of created gase is low in part.Also through testing result on trial for several times, show, it compared with prior art, have simple and practically, the fermentation raw material that can make fermentor tank enter is uniformly dispersed, and discharge is abundant, unit volume product biogas amount is high, the advantages such as desulfurization dewatering is thorough, is suitable for producing continuously biogas, safe and convenient to use, be applicable to large and medium-sized biogas fermentation production system, be for biogas use is in industrial production Yong Qi, rural area and residential quarters, cities and towns central gas supply etc.

Accompanying drawing explanation

Below in conjunction with drawings and Examples, the utility model is described in further detail.

Fig. 1 is the structure diagram of the utility model embodiment.

Fig. 2 is that in Fig. 1, A is partly the structure for amplifying sketch of material loading viewing window 29.

In accompanying drawing, each label is: 1 raw material cabin; 2 Mix and dosing ponds; 3 feeding pumps; 4 boilers; 5 carrier pipes; 6 charging take-off pipes; 7 thunder arresters; 8 pneumatic tubes; 9 safety valve; 10 temperature monitoring tables; 11 potential of hydrogen monitoring forms; 12 heating coils; 13 slag charge vent pipes; 14 explosion-proof water knockouts; 15 external flush pipes; 16 solar water heaters; 17 gasing pumps; 18 water knockouts; 19 digesters; 20 methane purification separators; 21 gas-holder; 22 2 explosion-proof water knockouts; 23 user's pipe networks; 24 slag charge ponds; 25 fermentor tanks; 26 Vehicle Fueling Station storage tanks; 27 biogas transfer limes; 28 pot type loaders; 29 material loading viewing windows.

Embodiment

Embodiment as shown in Figure 1, the utility model is provided with: fermentor tank 25, raw material cabin 1, Mix and dosing pond 2, boiler 4, feeding pump 3, carrier pipe 5, slag charge pond 24, pneumatic tube 8, gasing pump 17, explosion-proof water knockout 14, digester 19, methane purification separator 20, gas-holder 21, refueling tank 26, pot type loader 28 and solar water heater 16, the air-supply duct of pot type loader 28 is communicated with gas-holder 21, feed-pipe is connected in Mix and dosing pond 2, discharging connecting leg is taken over to be in parallel with the discharging of feeding pump 3 and is connected carrier pipe 5, the charging take-off pipe 6 that the napex that carrier pipe 5 is connected to fermentor tank 25 is fitted with 4 Gen Guan export department component location guide taper shunting caps is communicated in fermentor tank 25, and fermentor tank 25 is in tank body, to be equiped with respectively 6 temperature monitoring tables 10, 5 potential of hydrogen monitoring forms 11 and hot water heating coil pipe 12, hot water heating coil pipe 12 connects hot water boiler 4 and solar water heater 30, the hydraulic pipe of hot water boiler 4 and the solar water heater 16 Mix and dosing pond 2 that is connected in parallel, pot bottom at fermentor tank 25 is equipped with 5 deslagging material arms and is connected on slag charge vent pipe 13, and slag charge vent pipe 13 one end connect slag charge pond 24, the other end is equipped with slag charge is in charge of connection Mix and dosing pond 2, and on slag charge vent pipe 13, is equiped with the external flush pipe 15 of belt switch valve, and the napex of fermentor tank 25 is equipped with thunder arrester 7, safety valve 9 and pneumatic tube 8, pneumatic tube 8 first connects after explosion-proof water knockout 14, then is connected in series successively water knockout 18 by connected gasing pump 17, digester 19, methane purification separator 20, gas-holder 21, gas-holder 21 connects respectively user's pipe network 23 and refueling divides tank 26 by the explosion-proof water knockout 22 of pneumatic tube connecting secondary is rear, and digester 19 is two digesters that connect side by side.

Referring to accompanying drawing 2 embodiment, on the middle part body of carrier pipe 5 of the present utility model, be equiped with material loading viewing window 29.

Claims (4)

1. a Continuous methane fermentation device, it is provided with fermentor tank (25), raw material cabin (1), Mix and dosing pond (2), hot water boiler (4), feeding pump (3), carrier pipe (5), slag charge pond (24), pneumatic tube (8), gasing pump (17), explosion-proof water knockout (14), digester (19), methane purification separator (20), gas-holder (21), is characterized in that, is also provided with pot type loader (28), Vehicle Fueling Station storage tank (26), solar water heater (16), the air-supply duct of pot type loader (28) is communicated with gas-holder (21), feed-pipe is connected in Mix and dosing pond (2), discharging connecting leg is taken over to be in parallel with the discharging of feeding pump (3) and is connected carrier pipe (5), the napex that carrier pipe (5) is connected to fermentor tank (25) is fitted with 1-20 root charging take-off pipe and is communicated in fermentor tank (25), and fermentor tank (25) is in tank body, to be equiped with respectively several temperature monitoring tables (10), several potential of hydrogen monitoring forms (11) and heating coil (12), the hydraulic pipe of solar water heater (16) and hot water boiler (4) the Mix and dosing pond (2) that is connected in parallel, the pot bottom of fermentor tank (25) is equipped with 1-20 root deslagging material arm and is connected in slag charge vent pipe (13) upper, and slag charge vent pipe (13) one end connects slag charge pond, the other end is communicated with Mix and dosing pond (2), and on slag charge vent pipe (13), is equiped with the external flush pipe (15) of belt switch valve, and thunder arrester (7) is equipped with at the top of fermentor tank, safety valve (9) and pneumatic tube (8), pneumatic tube (8) first connects after explosion-proof water knockout (14), then is connected in series successively water knockout (18) by connected gasing pump (17), digester (19), methane purification separator (20), gas-holder (21), gas-holder (21) connects respectively user's pipe network (23) and Vehicle Fueling Station storage tank (26) after by the explosion-proof water knockout of pneumatic tube connecting secondary (22).

2. a kind of Continuous methane fermentation device according to claim 1, is characterized in that, is equiped with material loading viewing window (29) on the middle part body of carrier pipe (5).

3. a kind of Continuous methane fermentation device according to claim 1, is characterized in that, digester (19) is two digesters that connect side by side.

4. a kind of Continuous methane fermentation device according to claim 1, it is characterized in that, heating coil (12) is any of hot water heating coil pipe and electrically heated coil pipe, and hot water heating coil pipe connects the hydraulic pipe of solar water heater (16) and hot water boiler (4).

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