CN213803759U

CN213803759U - Circulating biogas fermentation device

Info

Publication number: CN213803759U
Application number: CN202020929258.0U
Authority: CN
Inventors: 林东明
Original assignee: Qingdao Haiyue Membrane Structure Engineering Co ltd
Current assignee: Qingdao Haiyue Membrane Structure Engineering Co ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-07-27
Anticipated expiration: 2030-05-28

Abstract

The utility model discloses a circulating biogas fermentation device, the novel nipple rectifier comprises a cylindrical shel, barrel outer wall fixedly connected with support frame, fixedly connected with motor on the support frame, the output fixedly connected with transfer line of motor, the first bevel gear of terminal fixedly connected with of transfer line, the top is rotated and is connected with first transfer line in the barrel, be equipped with rabbling mechanism between first transfer line and the first bevel gear, be equipped with the filter mechanism who is located first bevel gear below in the barrel, the barrel bottom is equipped with first pumping mechanism, one side of barrel is equipped with the collecting box that is connected with first pumping mechanism. The utility model discloses, rational in infrastructure, it is opposite with lower floor's stirring rod direction of rotation through upper stirring rod, makes raw material mixing more even, can separation department residue, zymotic fluid and water purification through double-deck filter screen, controls the fermentation process through control zymotic fluid content, avoids danger.

Description

Circulating biogas fermentation device

Technical Field

The utility model relates to a biogas fermentation technical field especially relates to a circulating biogas fermentation device.

Background

Biogas: the combustible gas is generated by organic substances through microbial fermentation under the conditions of certain temperature, humidity and pH value in an anaerobic environment. The biogas contains various gas components, the main component is methane (CH4), and the process of generating the biogas by decomposing organic matters by biogas bacteria is called biogas fermentation.

The biogas used at present drives the fermentation liquor to rotate in a single direction through the rotation of the motor, so that the purpose of uniform stirring is achieved, but the method has low stirring efficiency and long time consumption, the raw materials are difficult to uniformly stir, and simultaneously, the difficulty in filtering residues, the fermentation liquor and water purification after the fermentation of the raw materials is high, and the fermentation process cannot be controlled, so that danger is easily caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the circulating biogas fermentation device that proposes, it makes raw material mixing more even through upper stirring rod and lower floor's stirring rod opposite direction of rotation, can separate department's residue, zymotic fluid and water purification through double-deck filter screen, controls the fermentation process through control zymotic fluid content, avoids danger.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a circulating biogas fermentation device comprises a barrel body, wherein the outer wall of the barrel body is fixedly connected with a support frame, the support frame is fixedly connected with a motor, the output end of the motor is fixedly connected with a transmission rod, the transmission rod penetrates through the barrel body and is rotationally connected with the barrel body, the tail end of the transmission rod is fixedly connected with a first bevel gear, the transmission rod is rotationally connected with a U-shaped frame, the upper end of the U-shaped frame is fixedly connected with a first fixing sleeve, the lower end of the U-shaped frame is fixedly connected with a second fixing sleeve, the inner top of the barrel body is rotationally connected with a first rotation rod, a stirring mechanism is arranged between the first rotation rod and the first bevel gear, a filtering mechanism positioned below the first bevel gear is arranged in the barrel body, the left end of the top of the barrel body is provided with a feed inlet, the right end of the top of the barrel body is provided with a vent valve, and the top of the barrel body is fixedly connected with a biogas channel, the bottom of the barrel is provided with a first pumping mechanism, one side of the barrel is provided with a collecting box connected with the first pumping mechanism, and the top of the collecting box is provided with a second pumping mechanism connected with the barrel.

Preferably, rabbling mechanism is including the second bevel gear on the fixed first dwang, first bevel gear and second bevel gear meshing, the cover is equipped with the second dwang on the first dwang, the second dwang rotates with the fixed cover of second to be connected, second dwang fixedly connected with third bevel gear, first bevel gear and third bevel gear meshing, two stirring rods of fixedly connected with on the second dwang, two stirring rods of fixedly connected with on the first dwang, two the equal fixedly connected with stirring board in the end of carrying on the back of the body of stirring rod.

Preferably, the filtering mechanism is arranged on the inner wall of the barrel body and is provided with four opposite grooves, a filtering net is arranged between each two opposite grooves, and springs are fixedly connected between the upper end and the lower end of each filtering net and the inner wall of each groove.

Preferably, the first pumping mechanism comprises a first water pump installed between the collection box and the barrel, the water inlet end of the first water pump is communicated with the barrel through a first water inlet pipe, the first water inlet pipe is located between the two filter screens, the water outlet of the first water pump is fixedly connected with a first water outlet pipe, and the first water outlet pipe penetrates through the collection box and is fixedly connected with the collection box.

Preferably, the second pumping mechanism comprises a second water pump fixed at the top of the collecting box, a water inlet of the second water pump is fixedly connected with a second water inlet pipe, the second water inlet pipe penetrates through the collecting box and is fixedly connected with the collecting box, a water outlet of the second water pump is fixedly connected with a second water outlet pipe, and the second water outlet pipe penetrates through the barrel and is fixedly connected with the barrel.

Preferably, the bottom of the cylinder body penetrates through a water purifying pipe, the water purifying pipe is fixedly connected with the cylinder body, and an electromagnetic valve is installed on the water purifying pipe.

Compared with the prior art, the utility model, its beneficial effect does:

1. the transmission rod, the first bevel gear, the second bevel gear and the third bevel gear are driven to rotate by the motor, so that the rotating directions of the upper stirring rod and the stirring plate are opposite to those of the lower stirring rod and the stirring plate, and the better fermentation effect of the mixing is higher.

2. In the stirring process, the liquid drives the filter screen to vibrate up and down, and the effects of separating purified water, fermentation liquor and waste residues can be achieved.

3. The fermentation process is controlled by controlling the content of the fermentation liquor in the cylinder body through the first pumping mechanism and the second pumping mechanism, so that the concentration of the gas in the methane tank can be reasonably controlled, and the methane can be safely produced.

In conclusion, the rotation directions of the upper-layer stirring rod and the lower-layer stirring rod are opposite, so that raw materials are stirred more uniformly, residues, fermentation liquor and purified water can be separated through the double-layer filter screen, the fermentation process is controlled by controlling the content of the fermentation liquor, and dangers are avoided.

Drawings

FIG. 1 is a cross-sectional view of a circulating methane fermentation device according to the present invention;

fig. 2 is an enlarged view of the mechanism at a in fig. 1.

In the figure: 1

cylinder

1, 2 support frames, 3 motor, 4 transmission rod, 5 first bevel gear, 6U-shaped frame, 7 first fixed sleeve, 8 second fixed sleeve, 9 second bevel gear, 10 third bevel gear, 11 first rotation rod, 12 second rotation rod, 13 stirring rod, 14 stirring plate, 15 filter screen, 16 spring, 17 biogas channel, 18 first water inlet pipe, 19 first water pump, 20 first water outlet pipe, 21 collection box, 22 second water inlet pipe, 23 second water pump, 24 second water outlet pipe, 25 purified water pipe, 26 feed inlet, 27 breather valve.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a circulating biogas fermentation device comprises a cylinder body 1, a support frame 2 is fixedly connected to the outer wall of the cylinder body 1, a motor 3 is fixedly connected to the support frame 2, a transmission rod 4 is fixedly connected to the output end of the motor 3, the transmission rod 4 penetrates through the cylinder body 1 and is rotatably connected with the cylinder body, a first bevel gear 5 is fixedly connected to the tail end of the transmission rod 4, the transmission rod 4 is rotatably connected with a U-shaped frame 6, a first fixing sleeve 7 is fixedly connected to the upper end of the U-shaped frame 6, a second fixing sleeve 8 is fixedly connected to the lower end of the U-shaped frame 6, and a first rotation rod 11 is rotatably connected to the inner top of the cylinder body 1.

Be equipped with rabbling mechanism between first dwang 11 and the first bevel gear 5, rabbling mechanism is including the second bevel gear 9 on the fixed first dwang 11, first bevel gear 5 and the meshing of second bevel gear 9, the cover is equipped with second dwang 12 on the first dwang 11, second dwang 12 rotates with the fixed cover 8 of second and is connected, second dwang 12 fixedly connected with third bevel gear 10, first bevel gear 5 and the meshing of third bevel gear 10, two stirring rod 13 of fixedly connected with on the second dwang 12, two stirring rod 13 of fixedly connected with on the first dwang 11, the equal fixedly connected with stirring board 14 of the back of the body end of two stirring rod 13, stirring rod 13 and stirring board 14 are opposite with stirring rod 13 and stirring board 14 direction of rotation below through the higher authority, make the better efficiency of fermenting of mixed effect higher.

The barrel 1 is internally provided with a filtering mechanism positioned below the first bevel gear 5, the filtering mechanism is arranged on the inner wall of the barrel 1 and is provided with four opposite grooves, a filtering net 15 is arranged between each two opposite grooves, springs 16 are fixedly connected between the upper end and the lower end of each filtering net 15 and the inner wall of each groove, and liquid drives the filtering nets 15 to vibrate up and down in the stirring process, so that the effects of separating purified water, fermentation liquor and waste residues can be achieved; the bottom of the cylinder body 1 is provided with a water purifying pipe 25 in a penetrating way, the water purifying pipe 25 is fixedly connected with the cylinder body 1, the water purifying pipe 25 is provided with an electromagnetic valve, and the water can be discharged through the water purifying pipe 25 and used for watering flowers, grass and the like.

Feed inlet 26 is installed to barrel 1 top left end, breather valve 27 is installed to barrel 1 top right-hand member, barrel 1 top fixedly connected with marsh gas passageway 17, barrel 1 bottom is equipped with first pumping mechanism, first pumping mechanism is including installing first water pump 19 between collecting box 21 and barrel 1, the end of intaking of first water pump 19 communicates each other with barrel 1 through first inlet tube 18, first inlet tube 18 is located between two filter screens 15, the first outlet pipe 20 of first water pump 19's delivery port fixedly connected with, first outlet pipe 20 runs through collecting box 21 and rather than fixed connection, can extract unnecessary zymotic fluid in the barrel 1 through first pumping mechanism, prevent that the fermentation from producing too much gas and causing danger.

One side of the cylinder 1 is provided with a collecting box 21 connected with the first pumping mechanism, the top of the collecting box 21 is provided with a second pumping mechanism connected with the cylinder 1, the second pumping mechanism comprises a second water pump 23 fixed on the top of the collecting box 21, a water inlet of the second water pump 23 is fixedly connected with a second water inlet pipe 22, the second water inlet pipe 22 penetrates through the collecting box 21 and is fixedly connected with the same, a water outlet of the second water pump 23 is fixedly connected with a second water outlet pipe 24, the second water outlet pipe 24 penetrates through the cylinder 1 and is fixedly connected with the same, the fermentation process is controlled by controlling the content of fermentation liquor in the cylinder 1 through the second pumping mechanism, the concentration of gas in the pool can be reasonably controlled, and the methane tank can produce gas safely.

In the utility model, the worker firstly opens the feed inlet 26, puts the raw material to be fermented into the barrel 1 through the feed inlet 26, then closes the feed inlet 26, keeps the sealing performance of the barrel 1, starts the motor 3, the output end of the motor 3 rotates to drive the transmission rod 4 to rotate, the transmission rod 4 rotates to drive the first bevel gear 5 to rotate, the first bevel gear 5 rotates to drive the second bevel gear 9 and the third bevel gear 10 which are meshed with the first bevel gear 9 to rotate, wherein the second bevel gear 9 rotates to drive the first rotating rod 11 to rotate, and then drives the next two stirring rods 13 to rotate, the next two stirring rods 13 rotate to drive the two stirring plates 14 to rotate, the third bevel gear 10 rotates to drive the second rotating rod 12 to rotate, and then drives the above two stirring rods 13 to rotate, the above two stirring rods 13 rotate to drive the two stirring plates 14 to rotate, the rotation directions of the upper stirring rod 13 and the stirring plate 14 are opposite to the rotation directions of the lower stirring rod 13 and the stirring plate 14, so that the mixing effect is better, and the fermentation efficiency is higher.

After fermentation is completed, in the stirring process, the stirring rod 13 and the stirring plate 14 drive liquid in the cylinder body 1 to rotate, and further drive two layers of filter screens 15 at the bottom of the cylinder body 1 to vibrate up and down under the action of the spring 16, so that the effects of separating purified water, fermentation liquor and waste residues can be achieved, the lowest layer is a water purification layer, the purified water pipe 25 can be used for discharging and watering flowers, grass and the like, the middle layer is a fermentation liquor area, and is connected with a first pumping mechanism, when the first water pump 19 is started, the fermentation liquor in the cylinder body 1 flows into the first water outlet pipe 20 from the first water inlet pipe 18 under the action of the first water pump 19, so that the fermentation liquor can be guided into the collection box 21 to be collected, then when the second water pump 23 is started, the fermentation liquor in the collection box 21 flows into the second water outlet pipe 24 from the second water inlet pipe 22 under the action of the second water pump 23 and is guided into the cylinder body 1 again to be recycled, and the fermentation process is controlled by controlling the content of the fermentation liquor in the cylinder body 1, not only can reasonably control the gas concentration in the methane tank, but also can ensure that the methane tank produces gas in a safe way, the waste residue on the top can be used for fertilizing, the finally produced methane is supplied to households for use through the methane channel 17, and if too much methane is produced in the fermentation process, the excessive methane can be discharged by opening the vent valve 27, so that the danger is avoided.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a circulating marsh gas fermentation device, includes barrel (1), its characterized in that, barrel (1) outer wall fixedly connected with support frame (2), fixedly connected with motor (3) on support frame (2), the output end fixedly connected with transfer line (4) of motor (3), transfer line (4) run through barrel (1) and rather than rotate and be connected, the end fixedly connected with first bevel gear (5) of transfer line (4), transfer line (4) rotate and are connected with U type frame (6), the upper end fixedly connected with first fixed cover (7) of U type frame (6), the lower extreme fixedly connected with second fixed cover (8) of U type frame (6), the top rotates and is connected with first transfer line (11) in barrel (1), be equipped with rabbling mechanism between first transfer line (11) and first bevel gear (5), the improved biogas digester is characterized in that a filtering mechanism located below the first bevel gear (5) is arranged in the barrel (1), a feed inlet (26) is installed at the left end of the top of the barrel (1), a vent valve (27) is installed at the right end of the top of the barrel (1), a biogas channel (17) is fixedly connected to the top of the barrel (1), a first pumping mechanism is arranged at the bottom of the barrel (1), a collecting box (21) connected with the first pumping mechanism is arranged on one side of the barrel (1), and a second pumping mechanism connected with the barrel (1) is arranged at the top of the collecting box (21).

2. A circulating biogas fermentation apparatus according to claim 1, wherein the stirring mechanism comprises a second bevel gear (9) fixed on a first rotating rod (11), the first bevel gear (5) is meshed with the second bevel gear (9), a second rotating rod (12) is sleeved on the first rotating rod (11), the second rotating rod (12) is rotatably connected with a second fixing sleeve (8), a third bevel gear (10) is fixedly connected with the second rotating rod (12), the first bevel gear (5) is meshed with the third bevel gear (10), two stirring rods (13) are fixedly connected with the second rotating rod (12), two stirring rods (13) are fixedly connected with the first rotating rod (11), and two stirring plates (14) are fixedly connected with the opposite ends of the stirring rods (13).

3. A circulating biogas fermentation apparatus according to claim 1, characterized in that the filtering mechanism is arranged on the inner wall of the cylinder (1) and has four opposite grooves, a filtering net (15) is arranged between two opposite grooves, and springs (16) are fixedly connected between the upper and lower ends of the two filtering nets (15) and the inner wall of the grooves.

4. A circulating biogas fermentation apparatus according to claim 1, characterized in that the first pumping mechanism comprises a first water pump (19) installed between the collection tank (21) and the barrel (1), the water inlet end of the first water pump (19) is communicated with the barrel (1) through a first water inlet pipe (18), the first water inlet pipe (18) is located between the two filter screens (15), the water outlet of the first water pump (19) is fixedly connected with a first water outlet pipe (20), and the first water outlet pipe (20) penetrates through the collection tank (21) and is fixedly connected with the same.

5. A circulating biogas fermentation apparatus according to claim 1, characterized in that the second pumping mechanism comprises a second water pump (23) fixed on the top of the collection tank (21), the water inlet of the second water pump (23) is fixedly connected with a second water inlet pipe (22), the second water inlet pipe (22) penetrates through the collection tank (21) and is fixedly connected therewith, the water outlet of the second water pump (23) is fixedly connected with a second water outlet pipe (24), and the second water outlet pipe (24) penetrates through the barrel (1) and is fixedly connected therewith.

6. A circulating biogas fermentation apparatus according to claim 1, characterized in that a water purifying pipe (25) is provided at the bottom of the tank (1), the water purifying pipe (25) is fixedly connected with the tank (1), and an electromagnetic valve is installed on the water purifying pipe (25).