CN214142328U

CN214142328U - Anaerobic fermentation tank backflow stirring device

Info

Publication number: CN214142328U
Application number: CN202022853443.9U
Authority: CN
Inventors: 朱教宁; 李永平; 庞震鹏; 汤昀
Original assignee: Shanxi Agricultural University
Current assignee: Shanxi Agricultural University
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-09-07
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses an anaerobic fermentation tank backward flow agitating unit relates to agitating unit technical field, specifically is including a jar body, the top fixedly connected with agitator motor of the jar body, agitator motor's output shaft fixedly connected with (mixing) shaft, the outer fixed surface of (mixing) shaft is connected with the agitator, the backward flow delivery port has been seted up to the lower surface of the jar body, the below fixedly connected with backward flow outlet conduit of backward flow delivery port, the one end fixedly connected with backwash pump of backward flow outlet conduit, the delivery port fixedly connected with backward flow pipeline of backwash pump, the backward flow mouth has been seted up to the upper surface of the jar body, the one end and the backward flow mouth fixed connection of backward flow pipeline. This anaerobic fermentation tank backward flow agitating unit, through hydraulic stem, scraper ring and limit switch's setting, the scraper ring can reciprocate in the use, makes this anaerobic fermentation tank backward flow agitating unit possess the effect of the internal wall of clearance jar, avoids the raw materials to bond at the internal wall of jar.

Description

Anaerobic fermentation tank backflow stirring device

Technical Field

The utility model relates to a agitating unit technical field specifically is an anaerobic fermentation jar backward flow agitating unit.

Background

Temperature is one of the key factors influencing the anaerobic fermentation of organic substances, and the fluctuation of the temperature can reduce the gas production rate of an anaerobic fermentation system and even stop the gas production. When the anaerobic fermentation of organic substances is in a static state, a layering phenomenon can occur, so that anaerobic microorganisms are not fully contacted with raw materials, the temperature and the concentration of fermentation liquid are not uniform, fiber substances are encrusted, bonded and the like, and the raw materials are bonded on the inner wall of the tank body by the continuous operation of the fermentation tank, so that the gas production efficiency and the pollutant removal rate of the anaerobic fermentation are reduced. Through setting up the scraper, can regularly clear away the raw materials that bond on the jar body, and suitable mechanical stirring and feed liquid backward flow can effectively break the layering phenomenon of fermentation feed liquid, and the mass transfer heat transfer of balanced feed liquid breaks the crust, improves fermentation efficiency.

The existing anaerobic fermentation tank mainly has the following defects: the tank body is heated unevenly, the temperature is rapidly cooled and rapidly heated, the control is not easy, and the stability is poor, so the influence on the anaerobic fermentation gas production rate and the stability of a fermentation system is great; lack mechanical stirring and backflow agitating unit, lack the scraper, the fermentation raw materials is easy crusting, easily bonds at jar internal wall.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides an anaerobic fermentation tank backflow stirring device, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides an anaerobic fermentation tank backward flow agitating unit, which comprises a tank body, the top fixedly connected with agitator motor of the jar body, agitator motor's output shaft fixedly connected with (mixing) shaft, the outer fixed surface of (mixing) shaft is connected with the agitator, the backward flow delivery port has been seted up to the lower surface of the jar body, the below fixedly connected with backward flow outlet conduit of backward flow delivery port, the one end fixedly connected with backwash pump of backward flow outlet conduit, the backward flow mouth has been seted up to the upper surface of the jar body, the one end and the backward flow mouth fixed connection of backwash pipeline, the top fixedly connected with hydraulic stem of the jar body, the one end fixedly connected with scraper ring of hydraulic stem, the inside wall fixedly connected with temperature sensor of the jar body.

Optionally, a feed opening is arranged below the tank body, a discharge pipeline is fixedly connected below the feed opening, a valve is arranged on the outer surface of the discharge pipeline, a feed pipeline is fixedly connected to the upper surface of the tank body, a sealing cover is arranged above the feed pipeline, and a sealing ring is fixedly connected to the lower surface of the sealing cover.

Optionally, the tank body comprises an inner shell and an outer shell, the outer surface of the outer shell is fixedly connected with a heating water inlet pipeline and a heating water outlet pipeline, the inner side wall of the outer shell is fixedly connected with an electric heater, and the electric heater is electrically connected with the temperature sensor through a wire.

Optionally, the inner bottom wall of the tank body is fixedly connected with a bearing, and the inner surface of the bearing is fixedly connected with the outer surface of the stirring shaft.

Optionally, an observation window is fixedly connected to the outer surface of the tank body, and a transparent sealing plate is arranged on one side of the observation window.

Optionally, the bottom wall and the inner top wall in the tank body are both fixedly connected with a limit switch, and the limit switch is electrically connected with the hydraulic rod through a lead.

(III) advantageous effects

The utility model provides an anaerobic fermentation tank backflow stirring device possesses following beneficial effect:

1. this anaerobic fermentation tank backward flow agitating unit sets up through the cooperation of interior casing, shell body, temperature sensor, heating inlet channel and electric heater, can heat water at the in-process that uses to internal shell body thermally equivalent, thereby played the effect of internal shell body thermally equivalent, reached the purpose that keeps jar internal temperature stable.

2. This anaerobic fermentation tank backward flow agitating unit, through hydraulic stem, scraper ring and limit switch's setting, the scraper ring can reciprocate in the use, makes this anaerobic fermentation tank backward flow agitating unit possess the effect of the internal wall of clearance jar, avoids the raw materials to bond at the internal wall of jar.

3. This anaerobic fermentation jar backward flow agitating unit through the setting of (mixing) shaft, agitator motor and agitator, and the agitator can mix the feed liquid in the fermentation cylinder in the use, makes this anaerobic fermentation jar backward flow agitating unit possess and has broken cellulose class material crust, breaks the effect of feed liquid layering, has reached balanced fermentation feed liquid mass transfer heat transfer, improves fermentation efficiency's purpose.

4. This anaerobic fermentation tank backward flow agitating unit sets up through the cooperation of backward flow delivery port, backflow pipeline, backwash pump, backward flow outlet conduit, backward flow mouth, can take out the fermentation feed liquid from the bottom in the in-process of using, flows back to the jar body from the top to play the effect of water conservancy stirring to the fermentation feed liquid, reached balanced fermentation feed liquid mass transfer heat transfer, improved fermentation efficiency's purpose.

Drawings

FIG. 1 is a schematic view of the front perspective structure of the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a schematic front view of a cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a tank body; 101. an inner housing; 102. an outer housing; 2. a stirring motor; 3. a stirring shaft; 4. A stirrer; 5. a backflow water outlet pipeline; 6. a reflux pump; 7. a return line; 8. a return water outlet; 9. A return port; 10. a hydraulic lever; 11. a scraping ring; 12. a temperature sensor; 13. a discharge pipeline; 14. a feed conduit; 15. a sealing cover; 16. a seal ring; 17. heating the water inlet pipeline; 18. heating the water outlet pipeline; 19. an electric heater; 20. an observation window; 21. and a limit switch.

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 to 4, the present invention provides a technical solution: a backflow stirring device of an anaerobic fermentation tank comprises a tank body 1, a feed opening is arranged below the tank body 1, a discharge pipeline 13 is fixedly connected below the feed opening, a valve is arranged on the outer surface of the discharge pipeline 13, a feed pipeline 14 is fixedly connected on the upper surface of the tank body 1, a sealing cover 15 is arranged above the feed pipeline 14, a sealing ring 16 is fixedly connected on the lower surface of the sealing cover 15, a stirring motor 2 is fixedly connected above the tank body 1, a stirring shaft 3 is fixedly connected on an output shaft of the stirring motor 2, a bearing is fixedly connected on the inner bottom wall of the tank body 1, the inner surface of the bearing is fixedly connected with the outer surface of the stirring shaft 3, a stirrer 4 is fixedly connected on the outer surface of the stirring shaft 3, a backflow water outlet 8 is arranged on the lower surface of the tank body 1, a backflow water outlet pipeline 5 is fixedly connected below the backflow water outlet 8, and a backflow pump 6 is fixedly connected at one end of the backflow water outlet pipeline 5, a return pipe 7 is fixedly connected to a water outlet of the return pump 6, an observation window 20 is fixedly connected to the outer surface of the tank body 1, a transparent sealing plate is arranged on one side of the observation window 20, a return port 9 is arranged on the upper surface of the tank body 1, one end of the return pipe 7 is fixedly connected with the return port 9, a hydraulic rod 10 is fixedly connected to the upper part of the tank body 1, a scraping ring 11 is fixedly connected to one end of the hydraulic rod 10, the scraping ring 11 and a limit switch 21 are arranged, the scraping ring 11 can move up and down in the using process, so that the anaerobic fermentation tank backflow stirring device has the effect of cleaning the inner wall of the tank body 1, raw materials are prevented from being bonded on the inner wall of the tank body 1, a temperature sensor 12 is fixedly connected to the inner wall of the tank body 1, the tank body 1 comprises an inner shell 101 and an outer shell 102, and a heating water inlet pipe 17 and a heating water outlet pipe 18 are fixedly connected to the outer surface of the outer shell 102, inside wall fixedly connected with electric heater 19 of shell body 102, electric heater 19 is connected with temperature sensor 12 electricity through the wire, the equal fixed connection limit switch 21 of diapire and interior roof in the jar body 1, limit switch 21 is connected with hydraulic stem 10 electricity through the wire, through interior casing 101, shell body 102, temperature sensor 12, the cooperation setting of heating inlet channel 17 and electric heater 19, can heat water at the in-process that uses, and evenly heat inner casing 101, thereby the effect of evenly heating inner casing 101 has been played, the purpose of the temperature stability in the jar body 1 has been reached and has been kept.

When the material cleaning device is used, a material is put into the tank body 1 from the feeding pipeline 14, the sealing cover 15 is sealed tightly, water enters a cavity between the outer shell 102 and the inner shell 101 from the heating water inlet pipeline 17, then the stirring motor 2 rotates to drive the stirring shaft 3 to rotate, further the stirrer 4 is driven to rotate to stir the material in the tank body 1, when the temperature in the inner shell 101 is low, the temperature sensor 12 is triggered, the electric heater 19 starts to heat water, the heated water heats the inner shell 101, the inner shell 101 is uniformly heated, the temperature in the inner shell 101 is uniformly raised, the inside of the tank body 1 is observed through the observation window 20, when the inner wall of the inner shell 101 needs to be cleaned, the hydraulic rod 10 is started, the hydraulic rod 10 extends to drive the scraping ring 11 to move downwards, the scraping ring 11 cleans the material attached to the inner wall of the inner shell 101, and when the scraping ring 11 touches the limit switch 21 below, the hydraulic stem 10 shrink drives scraper ring 11 and rises, and when scraper ring 11 touched the limit switch 21 of top, hydraulic stem 10 stop work when needing the backward flow, started backwash pump 6, the liquid in the jar body 1 flowed out from backward flow delivery port 8, through backwash pump 6 and backflow pipeline 7, got into the jar body through backward flow mouth 9, realized the backward flow.

The utility model discloses a theory of operation and beneficial effect: this anaerobic fermentation tank backward flow agitating unit, through hydraulic stem 10, scrape the setting of material ring 11 and limit switch 21, scrape material ring 11 and can reciprocate in the use, make this anaerobic fermentation tank backward flow agitating unit have possessed the effect of the 1 inner wall of the clearance jar body, avoid the raw materials bonding at the 1 inner wall of the jar body, through interior casing 101, shell body 102, temperature sensor 12, the cooperation setting of heating inlet channel 17 and electric heater 19, in-process using can heat water, and the even heating of internal casing 101, thereby the effect of the even heating of internal casing 101 has been played, the purpose of the temperature stabilization in the jar body 1 has been kept.

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 an anaerobic fermentation jar backward flow agitating unit, includes jar body (1), its characterized in that: the stirring tank is characterized in that a stirring motor (2) is fixedly connected to the top of the tank body (1), a stirring shaft (3) is fixedly connected to an output shaft of the stirring motor (2), a stirrer (4) is fixedly connected to the outer surface of the stirring shaft (3), a backflow water outlet (8) is formed in the lower surface of the tank body (1), a backflow water outlet pipeline (5) is fixedly connected to the lower side of the backflow water outlet (8), a backflow pump (6) is fixedly connected to one end of the backflow water outlet pipeline (5), a backflow pipeline (7) is fixedly connected to a water outlet of the backflow pump (6), a backflow port (9) is formed in the upper surface of the tank body (1), one end of the backflow pipeline (7) is fixedly connected to the backflow port (9), a hydraulic rod (10) is fixedly connected to the top of the tank body (1), and a material scraping ring (11) is fixedly connected to one end of the hydraulic rod (10), the inner side wall of the tank body (1) is fixedly connected with a temperature sensor (12).

2. The anaerobic fermentation tank reflux stirring device of claim 1, which is characterized in that: the utility model discloses a sealing structure of a jar, including jar body (1), the below of jar body (1) is provided with the feed opening, the below fixedly connected with ejection of compact pipeline (13) of feed opening, the surface of ejection of compact pipeline (13) is provided with the valve, the last fixed surface of jar body (1) is connected with charge-in pipeline (14), the top of charge-in pipeline (14) is provided with sealed lid (15), the lower fixed surface of sealed lid (15) is connected with sealing washer (16).

3. The anaerobic fermentation tank reflux stirring device of claim 1, which is characterized in that: the tank body (1) comprises an inner shell (101) and an outer shell (102), the outer surface of the outer shell (102) is fixedly connected with a heating water inlet pipeline (17) and a heating water outlet pipeline (18), the inner side wall of the outer shell (102) is fixedly connected with an electric heater (19), and the electric heater (19) is electrically connected with a temperature sensor (12) through a wire.

4. The anaerobic fermentation tank reflux stirring device of claim 1, which is characterized in that: the inner bottom wall of the tank body (1) is fixedly connected with a bearing, and the inner surface of the bearing is fixedly connected with the outer surface of the stirring shaft (3).

5. The anaerobic fermentation tank reflux stirring device of claim 1, which is characterized in that: the outer surface of the tank body (1) is fixedly connected with an observation window (20), and one side of the observation window (20) is provided with a transparent sealing plate.

6. The anaerobic fermentation tank reflux stirring device of claim 1, which is characterized in that: the inner bottom wall and the inner top wall of the tank body (1) are fixedly connected with a limit switch (21), and the limit switch (21) is electrically connected with the hydraulic rod (10) through a lead.