CN205874434U - Dry -method anaerobic fermentation device - Google Patents

Abstract

The utility model discloses a dry -method anaerobic fermentation device, which comprises a tank body, the feed inlet, the slag notch, biogas outlet with ooze the filtrate (liquid, at internal vertical equidistant 2 the above mutually independent agitators of installing of jar, be close to the corner department slope of oozing the filtrate (liquid and install the filter bottom the jar body, be provided with the circulation hot -water line on the inner wall of the jar body, the export of circulation hot -water line has the heat exchanger through the tube coupling, the heat exchanger is linked together through the import of pipeline with the circulation hot -water line, biogas outlet is connected with the marsh gas boiler through the induction -pipe, the steam outlet of marsh gas boiler top portion passes through the pipeline and links to each other with the heat exchanger. The utility model discloses not only can be even with material mixing in the shorter time, great improvement the gas production, can keep whole fermentation process's constancy of temperature moreover at any time, structure simple structure, reasonable in design have, low in cost, the running cost is low, ferment effect is good, efficient, the operation management's of being convenient for advantage, easily uses widely.

Description

A kind of dry-process anaerobic fermentation device

Technical field

This utility model belongs to fruit/vegetable waste processing technology field, is specifically related to a kind of dry-process anaerobic fermentation device.

Background technology

At present, in a lot of fruit and vegerable wholesale markets, food market, fruit and vegerable concentrate the place of production, green house of vegetables etc., all can produce every day The rubbish such as substantial amounts of abandoned vegetable, fruit, what the existence of these rubbish was serious pollutes environment, causes the waste of resource.? In existing technology, in order to avoid the waste of resource, it is achieved resource recycling, be typically all the garbage warp of fruit and vegerable Cross the operations such as pulverizing, dehydration, anaerobic fermentation, desulfurization and produce fertilizer later.Dry anaerobic fermentation is the focus of Recent study, Compared with conventional wet method anaerobic fermentation fermentation, have organic loading and factor of created gase is high, floor space is little, small investment, energy consumption are low, The simple advantage of tunning after-treatment system.But, material dry-process anaerobic fermentation device is typically the middle temperature at 30～35 DEG C Run under hot conditions with 50～60 DEG C, during its fermentation, usually require that the temperature fluctuation of anaerobic fermentation system not Exceed at ± 2～3 DEG C, if the temperature of fermentation is wayward, the effect of fermentation can be had a strong impact on.In existing technology, dry Method installation for fermenting is substantially and carries out on the basis of wet-fermentation tank, during using, due to dry method fermentation containing solid Rate is high, and viscosity is big, during fermentation, easily occurs that stirring difficulty is big, and material is heated the phenomenon of conductivity of heat difference so that reaction Being difficult to keep certain temperature during fermentation, have a strong impact on the speed of anaerobic fermentation, the efficiency of fermentation is low, and factor of created gase is low, gives birth to simultaneously The technical process produced is relative complex, is not easy to production management so that dry method fermentation technology receives in popularization and application greatly Limit.Therefore, develop a kind of design science, rational in infrastructure, material treating capacity is big, ferment effect good, factor of created gase is high, stirring Uniformly, the conduct heat dry-process anaerobic fermentation device of management stable, easy to spread, convenient to operate of heating is desirability.

Summary of the invention

The purpose of this utility model is to provide a kind of design science, rational in infrastructure, material treating capacity big, ferment effect Good, factor of created gase high, stir, the dry-process anaerobic fermentation device of management stable, easy to spread, convenient to operate of conducting heat of heating.

The purpose of this utility model is achieved in that and includes tank body, charging aperture, slag notch, methane outlet and percolate Outlet, tank body is the casing of rectangle structure, and in tank body, longitudinal direction is the most equally spaced is provided with more than 2 separate stirrings Device, each agitator setting height(from bottom) in tank body is equal, and agitator includes buncher, shaft coupling, power transmission shaft and stirring paddle, passes Moving axis is fixed on the sidewall of tank body by bearing, and buncher is connected with power transmission shaft by shaft coupling, and stirring paddle includes mutually The radius being disposed on power transmission shaft not wait the first stirring paddle and the second stirring paddle, and adjacent drive axle on first stirring Oar and the interlaced layout of the second stirring paddle, the corner exported near percolate in tank base is tiltedly installed with screen plate, Slag notch is arranged on the tank skin bottom screen plate, is provided with circulating hot water pipe on the inwall of tank body, and circulating hot water pipe goes out Mouth is connected by pipeline heat exchanger, and heat exchanger is connected with the import of circulating hot water pipe by pipeline, and methane outlet is by sending Trachea connects methane boiler, and the steam (vapor) outlet at methane boiler top is connected with heat exchanger by pipeline.

This utility model uses the alr mode arranged side by side of multiple agitators, it is achieved that to high viscosity, without flowable materials High-efficiency stirring, on the one hand adequately achieves axial, horizontal being sufficiently mixed of material, promotes the speed of material fermentation, effectively Ensure that the treating capacity of material, the opposing party can be uniform by material stirring within the shorter time, reduces the energy consumption of agitator, has The material uniformity improving dry anaerobic fermentation of effect, is greatly improved gas production, simultaneously by with the joining of circulating hot water pipe Close and use, the problem that temperature heat transfer difference can be solved thoroughly, it is heated evenly in whole fermentation tank can not only be made, temperature controls essence Degree height, can keep the temperature constant of whole sweat at any time, but also can the most reasonably regulate fermentation temperature Arranging value, the adaptability of effective intensifier, this utility model has a simple in construction, reasonable in design, cheap, run into This is the lowest, ferment effect good, efficiency is high, the advantage of management convenient to operate, and can effectively strengthen that fermentation in sweat runs can By property and economy, it is easy to promote the use of.

Accompanying drawing explanation

Fig. 1 is overall structure schematic diagram of the present utility model；

Fig. 2 is the A-A view of Fig. 1；

In figure: 1-tank body, 2-heat-insulation layer, 3-agitator, 31-power transmission shaft, 32-the first stirring paddle, 33-the second stirring paddle, 34-shaft coupling, 35-buncher, 4-charging aperture, 5-return main, 6-Pressure gauge, 7-circulating hot water pipe, 8-refluxes arm, 9-relief valve, 10-methane outlet, 11-snorkel, 12-heat exchanger, 13-methane boiler, 14-sample tap, 15-percolate exports, 16-screen plate, 17-slag notch, 18-temperature sensor, 19-support bar.

Detailed description of the invention

Below in conjunction with the accompanying drawings this utility model is further described, but never in any form to this utility model in addition Limit, any change made based on this utility model training centre or improvement, belong to protection domain of the present utility model.

As shown in Fig. 1～2, this utility model includes tank body 1, charging aperture 4, slag notch 17, methane outlet 10 and percolate Outlet 15, tank body 1 is the casing of rectangle structure, and in tank body 1, longitudinal direction is the most equally spaced is provided with more than 2 separate stirring Mixing device 3, each agitator 3 setting height(from bottom) in tank body 1 is equal, and agitator 3 includes buncher 35, shaft coupling 34, power transmission shaft 31 and stirring paddle, power transmission shaft 31 is fixed on the sidewall of tank body 1 by bearing, and buncher 35 is by shaft coupling 34 and power transmission shaft 31 connect, and stirring paddle includes the first stirring paddle 32 and the second stirring paddle that the spaced radius being arranged on power transmission shaft 31 does not waits The first stirring paddle 32 and the second interlaced layout of stirring paddle 33 on 33, and adjacent drive axle 31, near oozing bottom tank body 1 The corner of filtrate (liquid 15 is tiltedly installed with screen plate 16, and slag notch 17 is arranged on the tank skin bottom screen plate 16, at tank Being provided with circulating hot water pipe 7 on the inwall of body 1, the outlet of circulating hot water pipe 7 is connected by pipeline heat exchanger 12, heat exchanger 12 Being connected by the import of pipeline with circulating hot water pipe 7, described methane outlet 10 is connected by snorkel 11 methane boiler 13, The steam (vapor) outlet at methane boiler 13 top is connected with heat exchanger 12 by pipeline.

In use, the fruit/vegetable waste after being first dehydrated is after charging aperture 4 is sent to tank body 1 to this utility model, simultaneously Open the buncher 35 of each agitator 3, allow agitator 3 material in tank body 1 sufficiently be stirred simultaneously, by control Buncher 35 processed, can realize the intermittent stirring to material or continuous stirring, allow material can mix homogeneously, reach to react completely Purpose, in order to ensure material temperature constant in course of reaction, utilize circulating hot water pipe 7 to realize the heating to material, Meanwhile, the heat being capable of between circulating hot water pipe 7 by heat exchanger 12 1 aspect arranged is exchanged, it is ensured that the thing of supply The thermal temperature of material is uniform, on the other hand, has effectively saved the energy, has sufficiently achieved the recycling of resource, work as thing Material after sufficient anaerobic fermentation, utilizes the stirring thrust of agitator 3, i.e. can pass through by the residue after fermentation in tank body 1 Outside cinder notch 17 drain tank, a small amount of percolate produced in course of reaction is then exported by percolate after screen plate 16 filters 15 discharge, and the biogas that fermentation produces is discharged from methane outlet 10, and one is used for and heat exchanger 12 after methane boiler 13 burns Realizing heat exchange, the biogas of the overwhelming majority is then used for various household electricities after methane outlet 10 is discharged.

Further, in order to ensure the use safety in sweat, described tank body 1 is provided with relief valve 9, temperature biography Sensor 18 and Pressure gauge 6, described relief valve 9, temperature sensor 18, Pressure gauge 6 are all connected with controller, are corresponding in order to utilize Control program, it is achieved the Automatic Control to installation for fermenting.

Further, described percolate outlet 15 on be additionally provided with return-flow system, described return-flow system include reflux pump and Return main 5, return main 5 is provided with backflow that is identical with agitator 3 quantity and that insert in tank body 1 from tank body 1 top and props up Pipe 8, the end vertical of backflow arm 8 is provided with the sparge pipe of water spray downwards, and is additionally provided with sample tap on return main 5 14, the fermentation concentration of the allotment material that the return-flow system of setting can be suitable, further promote the speed of fermentation, improve aerogenesis Rate.

Further, the direction, radial direction side of described power transmission shaft 31 being provided with support bar 19, one end of support bar 19 is fixed On tank body 1 inwall, the other end is connected with power transmission shaft 31 by bearing, arranges support bar 19 partly in order to increase tank body 1 Rigidity, it is ensured that the intensity of use, the opposing party is to ensure that the stability in agitator 3 whipping process.

For the ease of observing the machine operation in tank body 1, described tank body 1 is provided with 1～2 observation window.

Further, described tank body 1 is outside equipped with 80～200mm thick heat-insulation layers 2, is to keep tank body as far as possible Fermentation temperature in 1 is constant, in order to preferably control, minimum, to save production cost as far as possible by energy consumption.

Claims (6)

1. a dry-process anaerobic fermentation device, including tank body (1), charging aperture (4), slag notch (17), methane outlet (10) with ooze Filtrate (liquid (15), it is characterised in that: described tank body (1) is the casing of rectangle structure, the most equally spaced in tank body (1) Being provided with more than 2 separate agitators (3), each agitator (3) setting height(from bottom) in tank body (1) is equal, described in stir Mixing device (3) and include buncher (35), shaft coupling (34), power transmission shaft (31) and stirring paddle, power transmission shaft (31) is fixed by bearing On the sidewall of tank body (1), buncher (35) is connected with power transmission shaft (31) by shaft coupling (34), and described stirring paddle includes phase It is disposed on the first stirring paddle (32) and the second stirring paddle (33) that the radius on power transmission shaft (31) does not waits, and adjacent drive mutually The first stirring paddle (32) on axle (31) and the second stirring paddle (33) interlaced layout, in tank body (1) bottom near percolate The corner of outlet (15) is tiltedly installed with screen plate (16), and slag notch (17) is arranged on the tank skin of screen plate (16) bottom, Being provided with circulating hot water pipe (7) on the inwall of tank body (1), the outlet of circulating hot water pipe (7) is connected by pipeline heat exchanger (12), heat exchanger (12) is connected by the import of pipeline with circulating hot water pipe (7), and described methane outlet (10) passes through snorkel (11) connection has methane boiler (13), and the steam (vapor) outlet at methane boiler (13) top is connected with heat exchanger (12) by pipeline.

A kind of dry-process anaerobic fermentation device the most according to claim 1, it is characterised in that: described tank body is provided with on (1) Relief valve (9), temperature sensor (18) and Pressure gauge (6), described relief valve (9), temperature sensor (18), Pressure gauge (6) are all It is connected with controller.

A kind of dry-process anaerobic fermentation device the most according to claim 1, it is characterised in that: on described percolate outlet (15) Being additionally provided with return-flow system, described return-flow system includes reflux pump and return main (5), return main (5) is provided with and stirs Mixing device (3) quantity identical and insert the backflow arm (8) in tank body (1) from tank body (1) top, hangs down in the end of backflow arm (8) The sparge pipe of water spray downwards is directly installed, and on return main (5), is additionally provided with sample tap (14).

A kind of dry-process anaerobic fermentation device the most according to claim 1, it is characterised in that: the radial direction of described power transmission shaft (31) Being provided with support bar (19) on Fang Fangxiang, one end of support bar (19) is fixed on tank body (1) inwall, the other end by bearing with Power transmission shaft (31) is connected.

A kind of dry-process anaerobic fermentation device the most according to claim 1, it is characterised in that: described tank body is provided with 1 on (1) ～2 observation windows.

A kind of dry-process anaerobic fermentation device the most according to claim 1, it is characterised in that: described tank body (1) is outside equipped with 80～200mm thick heat-insulation layers 2.