CN220166037U

CN220166037U - Anaerobic digestion tank

Info

Publication number: CN220166037U
Application number: CN202321516966.1U
Authority: CN
Inventors: 蒋小钰; 刘付君; 王学斌; 骆晓蕊; 郭清吉; 李华; 王星
Original assignee: Sichuan Development Hengneng Environmental Technology Co ltd
Current assignee: Sichuan Development Hengneng Environmental Technology Co ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2023-12-12
Anticipated expiration: 2033-06-14

Abstract

The utility model relates to the technical field of excrement treatment equipment and discloses an anaerobic digestion tank which comprises a tank body, a loading hopper fixedly communicated with the top of the tank body, a vibration screening assembly arranged in the loading hopper and a knocking assembly arranged on one side of the tank body, wherein the vibration screening assembly comprises a screen obliquely arranged in the loading hopper, a rotating shaft rotationally connected below the screen, eccentric wheels I fixedly sleeved outside two sides of the rotating shaft, connecting blocks fixedly arranged on two sides of the bottom of the screen and contacted with the eccentric wheels I, telescopic rods fixedly arranged between four corners of the bottom of the screen and the inner wall of the loading hopper and springs I sleeved outside the telescopic rods.

Description

Anaerobic digestion tank

Technical Field

The utility model relates to the technical field of fecal sewage treatment equipment, in particular to an anaerobic digestion tank.

Background

Anaerobic digestion technology is one of the most important biomass energy utilization technologies, and can change solid organic matters into soluble organic matters, then convert the energy stored in waste into methane for combustion or power generation, so that the recovery of resources and energy sources is realized, and a special anaerobic digestion tank is needed when the waste is treated.

In the chinese patent of utility model with publication number CN218115243U, an anaerobic fermentation stirrer for poultry manure is disclosed, which can screen out impurities in manure mixed solution by a screening device, so that the impurity content in an anaerobic reaction tank is reduced, thereby reducing the maintenance cost of equipment, and aiming at the related art, the inventor considers that the following defects exist:

the device is when in actual use, owing to lack integral type impurity discharge structure for pile up impurity on screening board can be more and more, thereby the sieve mesh of screening board is stopped up easily, and then leads to the screening filter effect to the excrement is dirty to reduce, in order to prevent above-mentioned condition, just needs the operation personnel to clear away the impurity on the screening board regularly, not only troublesome, but also can influence the normal use of device, for this we provide an anaerobic digestion tank.

Disclosure of Invention

In order to solve the problems that in the background art, due to the lack of an integrated impurity discharging structure, more and more impurities are accumulated on a screening plate, so that the screening holes of the screening plate are easy to be blocked, and further the screening and filtering effects on the feces are reduced, the utility model provides an anaerobic digestion tank.

The utility model is realized by adopting the following technical scheme: an anaerobic digestion tank comprises a tank body, a hopper fixedly communicated with the top of the tank body, a vibration screening component arranged inside the hopper and a knocking component arranged on one side of the tank body.

The vibration screening assembly comprises a screen mesh obliquely arranged inside the charging hopper, a rotating shaft rotationally connected below the screen mesh, an eccentric wheel I fixedly sleeved outside two sides of the rotating shaft, connecting blocks fixedly mounted on two sides of the bottom of the screen mesh and contacted with the eccentric wheel I, telescopic rods fixedly mounted between four corners of the bottom of the screen mesh and the inner wall of the charging hopper, and a spring I sleeved outside the telescopic rods.

The knocking assembly comprises a double-shaft motor fixedly arranged at the top of the tank body, a transmission shaft rotationally connected to one side of the tank body, a bevel gear I fixedly connected with the tail end of one end rotor of the double-shaft motor and the top end of the transmission shaft and meshed with each other, an eccentric wheel II fixedly sleeved on the outer side of the bottom of the transmission shaft, a bracket fixedly arranged at one side of the tank body, a fixing plate arranged on the inner side of the bracket, a connecting plate arranged outside the bracket, four groups of connecting columns used for connecting the fixing plate and the connecting plate and in sliding connection with the bracket, a spring II sleeved outside the connecting columns and an impact block fixedly arranged outside the fixing plate.

As the further improvement of above-mentioned scheme, the inside rotation of jar body is connected with the (mixing) shaft, the equal coaxial fixedly connected with bevel gear two of top and the one end of pivot is connected with between the bevel gear two, the equal fixed cover in the outside of upper portion of (mixing) shaft and the terminal outside of the other end rotor of biax motor is equipped with bevel gear three and is connected between the bevel gear three, and the be convenient for drive when beating the subassembly operation, can also drive the (mixing) shaft and rotate and stir the excrement and drive vibration screening subassembly and operate.

As the further improvement of above-mentioned scheme, the fixed intercommunication in one side of loading hopper has impurity discharge channel, is convenient for in time discharge the impurity that will filter out, prevents to pile up and influence the filter effect because of the impurity.

As the further improvement of above-mentioned scheme, the outside of striking piece is arc structural design and can laminate mutually with the outside of jar body, can increase the area of contact of striking piece and jar body, prevents that the jar body from taking place deformation when striking.

As a further improvement of the scheme, heating pipes are arranged in the tank wall of the tank body at equal intervals, so that the tank body can be heated to maintain the temperature required by anaerobic reaction.

As a further improvement of the scheme, the top of the tank body is fixedly communicated with an exhaust pipe, the bottom of the tank body is of a funnel-shaped structural design and is fixedly communicated with an exhaust pipe, the exhaust pipe is convenient for discharging methane, and the exhaust pipe is convenient for completely discharging the excrement in the tank body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the stirring shaft is driven to rotate by the double-shaft motor to stir the excrement in the tank body, the rotating shaft is driven to rotate by utilizing the meshing action between the bevel gears II, the eccentric wheel I is driven to rotate by the rotation of the rotating shaft, so that the screen can be regularly jacked up, the screen can vibrate vertically under the cooperation of the telescopic action of the telescopic rod and the elastic action of the spring I, the screening effect on the excrement is improved, the screen holes are prevented from being blocked due to impurity accumulation, and the filtered impurities can roll down along the inclined screen, thereby effectively improving the practicability of the device and reducing the maintenance cost of equipment.

2. According to the utility model, the stirring shaft is driven to rotate by the double-shaft motor to stir the excrement in the tank body, the transmission shaft can be driven to rotate by utilizing the meshing effect between the bevel gears I, the eccentric wheel II is driven to rotate by the rotation of the transmission shaft, the connecting plate can be regularly pushed, the impact block can be driven to regularly impact the tank body by utilizing the sliding fit of the connecting column and the bracket and the elastic fit of the spring II, so that the excrement attached to the inner wall of the tank body falls off, the residue of the excrement in the tank body is reduced, and the maintenance cost of equipment is further reduced.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic view of a vibratory screening assembly of the present utility model in a longitudinal cross-sectional perspective;

fig. 3 is an enlarged schematic view of the structure at a in fig. 1.

Main symbol description:

1. a tank body; 2. a hopper; 3. a vibratory screening assembly; 4. a striking assembly; 5. a stirring shaft; 6. bevel gears II; 7. bevel gears III; 8. an impurity discharge passage; 31. a screen; 32. a rotating shaft; 33. an eccentric wheel I; 34. a telescopic rod; 35. a first spring; 41. a transmission shaft; 42. bevel gears I; 43. an eccentric wheel II; 44. a connecting plate; 45. a connecting column; 46. a second spring; 47. and (5) impacting the block.

Description of the embodiments

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Examples

Please combine fig. 1-3, an anaerobic digestion tank of this embodiment, including a tank body 1, the loading hopper 2 of fixed intercommunication at tank body 1 top, set up at the inside vibration screening subassembly 3 of loading hopper 2 and set up the subassembly 4 of beating in tank body 1 one side, the fixed intercommunication of one side of loading hopper 2 has impurity discharge channel 8, be convenient for in time discharge the impurity that filters out, prevent to influence the filter effect because of impurity piles up, the inside equidistance of tank wall of tank body 1 is provided with the heating pipe, can heat tank body 1, in order to maintain the required temperature of anaerobic reaction, the fixed intercommunication in top of tank body 1 has the blast pipe, the bottom of tank body 1 is hopper-shaped structural design and fixed intercommunication have the discharge pipe, the blast pipe of setting is convenient for discharge marsh gas, the discharge pipe of setting is convenient for discharge the dirty complete of excrement with the inside tank body 1.

The vibration screening assembly 3 comprises a screen 31 obliquely arranged in the hopper 2, a rotating shaft 32 rotatably connected below the screen 31, first eccentric wheels 33 fixedly sleeved outside two sides of the rotating shaft 32, connecting blocks fixedly arranged on two sides of the bottom of the screen 31 and contacted with the first eccentric wheels 33, telescopic rods 34 fixedly arranged between four corners of the bottom of the screen 31 and the inner wall of the hopper 2, and first springs 35 sleeved outside the telescopic rods 34.

The knocking component 4 comprises a double-shaft motor fixedly arranged at the top of the tank body 1, a transmission shaft 41 rotationally connected to one side of the tank body 1, a first bevel gear 42 fixedly connected with the tail end of one end rotor of the double-shaft motor and the top end of the transmission shaft 41 and meshed with each other, a second eccentric wheel 43 fixedly sleeved on the outer side of the bottom of the transmission shaft 41, a bracket fixedly arranged at one side of the tank body 1, a fixing plate arranged on the inner side surface of the bracket, a connecting plate 44 arranged outside the bracket, four groups of connecting columns 45 used for connecting the fixing plate and the connecting plate 44 and in sliding connection with the bracket, a second spring 46 sleeved outside the connecting column 45 and a striking block 47 fixedly arranged outside the fixing plate, wherein the outer part of the striking block 47 is of an arc-shaped structure design and can be attached to the outer part of the tank body 1, the contact area of the striking block 47 and the tank body 1 can be increased, and deformation of the tank body 1 is prevented during striking.

The implementation principle of the anaerobic digestion tank in the embodiment of the utility model is as follows: firstly, add the dirty inside to jar body 1 with the excrement through loading hopper 2, the screen cloth 31 of setting can filter its inside impurity, then start biax motor, utilize meshing effect between bevel gear three 7 to make can drive (mixing) shaft 5 rotation, (mixing) shaft 5 rotates, can stir the dirty inside excrement of jar body 1, make it can fully mix with the bacterium, in order to improve reaction rate, and utilize the meshing effect between bevel gear two 6, make can drive pivot 32 rotation, pivot 32 rotates and drives eccentric wheel one 33 rotation, make can regularly jack-up screen cloth 31, and under the flexible action of telescopic link 34 and the elastic action cooperation of spring one 35, thereby can make screen cloth 31 carry out vertical vibration, and then improve the filter effect to the dirty middle impurity of excrement, and simultaneously, utilize the meshing effect between bevel gear one 42, make can drive transmission shaft 41 rotation, make it rotate to drive eccentric wheel two 43, make can regularly promote connecting plate 44, and utilize the sliding fit of spliced pole 45 and support and the elastic fit of spring two 46, make the dirty body of excrement of the jar body 1 of the striking that can be opened, and finally, the dirty pipe 1 of the inside is discharged out of the dirty body is opened to the dirty body of the messenger, the exhaust pipe 1 of the body is opened to the regular has been made.

Examples

The further improvement of this embodiment on the basis of embodiment 1 is that: the inside rotation of jar body 1 is connected with (mixing) shaft 5, and the equal coaxial fixedly connected with bevel gear two 6 of the top of (mixing) shaft 5 and the one end of pivot 32 just mesh between the bevel gear two 6 and be connected, and the outside all fixed cover of the other end rotor end outside of (mixing) shaft 5 and biax motor is equipped with bevel gear three 7 and meshes between the bevel gear three 7 and is connected, is convenient for drive and strikes the operation of subassembly 4, can also drive (mixing) shaft 5 rotation and stir the excrement and carry out the operation to drive vibration screening subassembly 3.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The anaerobic digestion tank is characterized by comprising a tank body (1), a charging hopper (2) fixedly communicated with the top of the tank body (1), a vibrating screening component (3) arranged in the charging hopper (2) and a knocking component (4) arranged on one side of the tank body (1);

the vibration screening assembly (3) comprises a screen (31) obliquely arranged in the feeding hopper (2), a rotating shaft (32) rotatably connected below the screen (31), first eccentric wheels (33) fixedly sleeved outside two sides of the rotating shaft (32), connecting blocks fixedly arranged on two sides of the bottom of the screen (31) and contacted with the first eccentric wheels (33), telescopic rods (34) fixedly arranged between four corners of the bottom of the screen (31) and the inner wall of the feeding hopper (2) and first springs (35) sleeved outside the telescopic rods (34);

the knocking assembly (4) comprises a double-shaft motor fixedly arranged at the top of the tank body (1), a transmission shaft (41) rotationally connected to one side of the tank body (1), a bevel gear I (42) fixedly connected with the tail end of a rotor at one end of the double-shaft motor and the top end of the transmission shaft (41) and meshed with each other, an eccentric wheel II (43) fixedly sleeved on the outer side of the bottom of the transmission shaft (41), a support fixedly arranged on one side of the tank body (1), a fixing plate arranged on the inner side of the support, a connecting plate (44) arranged on the outer side of the support, four groups of connecting columns (45) used for connecting the fixing plate and the connecting plate (44) and in sliding connection with the support, a spring II (46) sleeved on the outer side of the connecting columns (45) and a striking block (47) fixedly arranged on the outer side of the fixing plate.

2. An anaerobic digestion tank according to claim 1, wherein the inside of the tank body (1) is rotatably connected with a stirring shaft (5), the top of the stirring shaft (5) and one end of the rotating shaft (32) are coaxially and fixedly connected with a bevel gear II (6) and engaged with the bevel gear II (6), and a bevel gear III (7) and engaged with the bevel gear III (7) are fixedly sleeved on the outer side of the upper part of the stirring shaft (5) and the outer side of the tail end of the other end rotor of the double-shaft motor.

3. An anaerobic digestion tank according to claim 1, characterized in that one side of the hopper (2) is fixedly connected with an impurity discharge channel (8).

4. An anaerobic digestion tank according to claim 1, characterized in that the outer part of the impact block (47) is of arc-shaped design and can be fitted to the outer part of the tank body (1).

5. An anaerobic digestion tank according to claim 1, characterized in that heating pipes are arranged equidistantly inside the tank wall of the tank body (1).

6. An anaerobic digestion tank according to claim 1, wherein the top of the tank body (1) is fixedly connected with an exhaust pipe, and the bottom of the tank body (1) is of a funnel-shaped structure design and is fixedly connected with a discharge pipe.