CN210313951U - Sludge fermentation device - Google Patents

Abstract

The utility model relates to a sludge treatment technical field, more specifically relates to a sludge fermentation device, include: the fermentation box is suspended in the air, an opening is formed in the bottom of the fermentation box, and a plurality of bearing plates which are obliquely arranged relative to the vertical direction of the fermentation box are arranged in the fermentation box; the aeration system comprises an air supply system and a pipeline system, wherein the pipeline system comprises an aeration main pipe and an aeration pipe which are communicated with each other, the aeration pipe is arranged at the bottom of the bearing plate, and a plurality of air outlets are arranged on the aeration pipe at intervals; the mud discharging mechanism is arranged at an opening at the bottom of the fermentation box and comprises a plurality of rotating shafts and a rotating shaft driving mechanism which are parallel to each other and are uniformly arranged on a horizontal plane, comb-shaped baffles are arranged on the rotating shafts, and the rotating shaft driving mechanism controls the rotating shafts to rotate so as to drive the comb teeth to close or open the baffles. The utility model provides a sludge fermentation device can effectively ferment a large amount of mud, improves the treatment effeciency, has good application prospect.

Description

Sludge fermentation device

Technical Field

The utility model relates to a sludge treatment technical field, more specifically relates to a sludge fermentation device.

Background

Along with the development of national socioeconomic and improvement of urbanization level, the discharge amount of urban sewage is continuously increased, the treatment rate of the sewage is improved year by year, the sludge is the main solid waste in the urban sewage treatment process, and organic matters, nutrient substances and other pollutants in the sludge are basically transferred into the sludge through microorganisms or physical and chemical actions. It is estimated that the sludge yield (80% water content) in China exceeds 6000 million tons in 2015. The sludge has complex components, is a polymer consisting of zoogloea formed by a plurality of microorganisms and organic matters and inorganic matters adsorbed by the zoogloea, and contains a large amount of water, refractory organic matters, heavy metals, salts, pathogenic microorganisms, parasitic ova and the like. The content of organic matters, nitrogen, phosphorus and other nutrient elements in the sludge is high, and if the sludge enters a water body environment, the sludge causes great environmental pollution and is also a great resource waste.

If the excess sludge is not properly disposed, immeasurable serious consequences can be caused to the surrounding environment. The safe and effective treatment and disposal of the sludge are necessary requirements for the sustainable development of China. Different from anaerobic digestion, the aerobic fermentation of the sludge has the advantages of short fermentation period, low operation cost and less release of malodorous gas, and the land utilization of the sludge after the high-temperature aerobic fermentation becomes one of the main treatment modes of municipal sludge in China.

The existing sludge treatment equipment is limited by the weight of sludge, and the existing fermentation box for aerobic fermentation of sludge is limited by structural strength and has the problem of smaller volume or larger occupied area, so that the sludge treatment in a larger scale is not convenient to carry out. In addition, the industry is still in a development stage, the automation degree is low, and large-scale automatic processing equipment is lacked. Therefore, an apparatus capable of improving sludge treatment efficiency is demanded by the industry.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome at least one defect of prior art, provide a sludge fermentation device, can effectively ferment a large amount of mud.

In order to solve the technical problem, the utility model discloses a technical scheme is:

provided is a sludge fermentation device, comprising a fermentation tank, an aeration system for aerating sludge and a sludge discharge mechanism for discharging sludge in the fermentation tank, wherein: the fermentation box is suspended in the air, the bottom of the fermentation box is provided with an opening, and a plurality of bearing plates which are obliquely arranged relative to the vertical direction of the fermentation box are arranged in the fermentation box; the aeration system comprises an air supply system and a pipeline system, the pipeline system comprises an aeration main pipe and an aeration pipe which are mutually communicated, the aeration pipe is arranged at the bottom of the bearing plate, and a plurality of air outlets are arranged on the aeration pipe at intervals; the sludge discharge mechanism is arranged at an opening at the bottom of the fermentation box and comprises a plurality of rotating shafts and a rotating shaft driving mechanism which are parallel to each other and are uniformly arranged on a horizontal plane, a comb-shaped baffle is arranged on the rotating shaft, and the rotating shaft driving mechanism controls the rotating shaft to rotate so as to drive the comb-shaped baffle to be closed or opened.

The utility model can effectively improve the bearing capacity of the fermentation box body on one hand by installing the bearing plate in the fermentation box to assist in bearing through the sludge fermentation device; on the other hand, the aeration pipe is arranged under the bearing plate, so that the aeration efficiency of the aeration system can be effectively improved. The design that the bottom of the box body is opened and the sludge placing mechanism is additionally arranged can be used for dumping the treated sludge under the condition that the side box body is not required to be turned over, the space required by the arrangement of the fermentation device is effectively reduced, and the potential safety hazard caused by dumping the sludge is also effectively reduced.

Furthermore, the bearing plates are at least provided with two layers, and each layer of the bearing plates is arranged in parallel relative to the horizontal plane; the bearing plates in each layer are provided with a plurality of bearing plates, and the inclination directions and the inclination angles of the bearing plates in the same layer are consistent; the inclination angles of the bearing plates of the two adjacent layers are consistent, and the inclination directions are opposite. The bearing plate is arranged in the fermentation box, so that the maximum bearing capacity of the fermentation box can be improved under the condition that the bottom area is not increased; the bearing plate which is obliquely arranged can effectively share the pressure of the sludge on the bottom of the tank, thereby enhancing the structural strength of the tank body; when the mud is reinforced toward the fermentation box internal tilt, mud at first strikes on the bearing plate of the top layer, because the bearing plate slope sets up, mud landing is to the bearing plate of lower floor again, because mud does not all can receive the resistance of bearing plate through one deck bearing plate, and reduces the speed of mud whereabouts, shares the pressure that mud caused the bottom of the case, avoids mud directly to drop to the bottom of the case, produces huge impact.

Furthermore, the bottom of each bearing plate is provided with at least one aeration pipe, and each exhaust port is connected with an aeration head; the aeration main pipe is arranged on the side wall of the outer side of the fermentation box. All set up the aeration pipe under each bearing plate, set up a plurality of gas vents on the aeration pipe and be connected with the aeration head, can realize the jet-propelled of each position in the box like this, make the fermentation even. The aeration pipe is one deck layer locate in the fermentation case, with the corresponding setting of bearing plate, sets up a house steward outside the fermentation case, aeration main promptly, and each aeration pipe is connected in aeration main respectively again, can reduce the quantity of pipeline like this, also can make the calandria neat.

Furthermore, the rotating shaft driving mechanism comprises a rotating shaft synchronizing mechanism, a rotating mechanism and a vibrating mechanism, wherein the rotating shaft synchronizing mechanism is connected with all the rotating shafts and enables the rotating shafts to rotate synchronously, the rotating mechanism is used for controlling the rotating shafts to rotate, and the vibrating mechanism is used for controlling the rotating shafts to vibrate along the circumferential direction.

Furthermore, broach dress baffle includes a plurality of align to grid's fender mud pole, fender mud pole length is not more than adjacent interval between the pivot.

The mud discharging mechanism improves the integral structural strength during discharging in a mode of distributing the pressure of the mud to the bottom through multiple rotating shafts through the design of multiple rotating shafts and multiple openings. When the incasement clout is more and close the opening, drive the rotatory comb-teeth-shaped structure compression mud that makes of pivot through slewing mechanism to cooperation vibration mechanism makes partial mud flow from the broach clearance, closes the opening under the condition that need not upwards return pressure mud, and after the opening is closed, can not continue to flow from the broach because of the adhesion force of mud self, the completion opening is closed.

Further, the air supply system comprises an air compressor, an air storage tank and a heat exchanger, the air compressor is connected with the air storage tank through a pipeline, the air storage tank is connected with the air inlet end of the heat exchanger through a pipeline, and the air outlet end of the heat exchanger is connected with the pipeline system. The air compressor compresses and stores air into the air storage tank, the air outlet end of the air storage tank is connected with the heat exchanger, the compressed air enters the heat exchange tube in the heat exchanger, and the compressed air is heated through the heat exchanger; the heated compressed air is conveyed to the aeration pipes of the fermentation tanks, and the sludge in the fermentation tanks is sprayed by the aeration heads.

Preferably, the pipeline system is connected with at least one fermentation box.

Preferably, the sludge fermentation device is still including fixed locating the flat mud device of fermenting case top, flat mud device includes straight reciprocating drive device, guide rail and frame, the frame with guide rail sliding connection, be equipped with a plurality of scraper blades on the frame, straight reciprocating drive device with connected to the frame and drive the frame carries out straight reciprocating motion. When the fermentation material is piled up in the middle part of the fermentation box to form a mountain shape, the scraper on the frame pushes the fermentation material in the middle part to two sides, so that the fermentation material in the fermentation box is uniformly distributed, and finally, the upper end surface of the whole fermentation material is kept flat, thereby avoiding the influence on the service life of the fermentation box due to uneven pressure in the fermentation box.

Preferably, sludge fermentation device is still including the rice husk feed arrangement who locates the fermentation case top, rice husk feed arrangement is including the storage silo and the blanking fill that communicate each other, the blanking fill export be equipped with auger delivery ware, auger delivery ware include a driving motor, feeding pivot and spiral plate, a driving motor be connected with the feeding pivot, spiral plate including setting up in the feeding pivot to forward spiral plate and the reverse spiral plate that both sides pushed away material.

Preferably, the sludge fermentation device further comprises a vibrating sludge-feeding device arranged on the ground below the fermentation box, and the vibrating sludge-feeding device comprises a sludge-feeding disc, a vibrating machine, a swing frame and a fixed support; the mud running disc is rotationally connected with the swinging frame, and the swinging frame controls the mud running disc to incline or be parallel relative to a horizontal plane; the vibrating machine controls the mud moving disc to vibrate.

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

the utility model provides a sludge fermentation device, wherein the bearing plate is arranged in the fermentation box, which can effectively share the pressure of the sludge on the bottom of the box, thereby enhancing the structural strength of the box body; aeration pipe and aeration head set up the bottom at each loading board, can prevent that the material directly from striking aeration pipe and aeration head when reinforced, and cause the damage. The mud discharging mechanism improves the integral structural strength during discharging in a mode of distributing the pressure of the mud to the bottom through multiple rotating shafts through the design of multiple rotating shafts and multiple openings. When the incasement clout is more and close the opening, can make comb-tooth-shaped structure compression mud through the pivot rotation to the cooperation vibration makes partial mud flow from the broach clearance, and the opening that closes under the condition that need not upwards return pressure mud, after the opening is closed, can not continue to flow from the broach because of the adhesion force of mud self, accomplishes the opening closure. The mud flattening device can flatten the fermented material piled up into the mountain shape, and the space of the fermentation box can be fully utilized, so that the internal pressure of the fermentation box is prevented from being uneven. The rice hull feeding device can disperse rice hull materials, fully mixes sludge and rice hulls, and enables aerobic fermentation to be more sufficient and uniform.

Drawings

FIG. 1 is a schematic view of a sludge fermentation apparatus in example 1.

FIG. 2 is a schematic view showing the installation of an aeration pipe and an aeration head in the fermentation tank in example 1.

FIG. 3 is a schematic view showing the installation of a bearing plate in the fermenter according to example 1.

FIG. 4 is a schematic view showing the installation of the air compressor, the air tank and the heat exchanger in example 1.

FIG. 5 is a schematic view showing the installation of the breather tank and the branch pipe in example 1.

FIG. 6 is a schematic view showing the installation of aeration main pipes in two adjacent rows of fermentation boxes in example 1.

Fig. 7 is a schematic structural view of the mud discharging mechanism in embodiment 1.

Fig. 8 is a partial structural schematic view of the mud discharging mechanism in embodiment 1.

Fig. 9 is a partial structural schematic view of the mud discharging mechanism in embodiment 1.

Fig. 10 is a partial sectional view of the rotating mechanism and the vibrating mechanism in embodiment 1.

FIG. 11 is a schematic view showing the structure of the drive shaft in embodiment 1.

Fig. 12 is a schematic structural view of a driven shaft in embodiment 1.

FIG. 13 is an axial sectional view of the rotating shaft in example 1.

Fig. 14 is a top view of the whole structure of the mud leveling device in the embodiment 2.

Fig. 15 is a front view of the whole structure of the mud leveling device in the embodiment 2.

Fig. 16 is a partially enlarged view of fig. 15A.

Fig. 17 is a schematic view showing the overall structure of a rice husk feeding device in example 3.

Fig. 18 is a left side view of fig. 17.

Fig. 19 is a schematic structural view of the screw conveyor in embodiment 3.

FIG. 20 is a schematic view showing the structure of the screw conveyor according to embodiment 4.

Fig. 21 shows a vibrating mud-moving device in example 5.

Detailed Description

The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar parts; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.

Example 1

Fig. 1 to 13 show a first embodiment of a sludge fermentation apparatus according to the present invention. The sludge fermentation device comprises a fermentation box 4a, an aeration system for aerating sludge and a sludge discharge mechanism b for discharging sludge in the fermentation box, wherein: the bottom of the fermentation box 4a is suspended, and a plurality of bearing plates 7a which are obliquely arranged relative to the vertical direction of the fermentation box 4a are arranged in the fermentation box 4 a; the aeration system comprises an air supply system and a pipeline system, the pipeline system comprises an aeration main pipe 8a and an aeration pipe 5a which are communicated with each other, the aeration pipe is arranged at the bottom of the bearing plate 7a, and a plurality of air outlets are arranged on the aeration pipe at intervals; put mud mechanism b and locate 8a bottom openings of fermenting case, including many parallel horizontal planes evenly set up and pivot 1b, the pivot actuating mechanism that is parallel to each other, be equipped with comb teeth shape baffle on the pivot 1b, thereby pivot actuating mechanism control pivot rotates and drives the broach dress baffle and close or open. The rotating shaft driving mechanism comprises a rotating shaft synchronizing mechanism, a rotating mechanism and a vibrating mechanism, wherein the rotating shaft synchronizing mechanism is connected with all rotating shafts to enable the rotating shafts to rotate synchronously, the rotating mechanism is used for controlling the rotating shafts to rotate, and the vibrating mechanism is used for controlling the rotating shafts to vibrate along the circumferential direction.

As shown in fig. 2 to 4, the air supply system includes an air compressor 1a, an air storage tank 2a and a heat exchanger 3a, the air compressor 1a is connected with the air storage tank 2a through a pipeline, the air storage tank 2a is connected with the air inlet end of the heat exchanger 3a through a pipeline, and the air outlet end of the heat exchanger 3a is connected with a pipeline system. The air compressor 1a is connected with the air storage tank 2a through a pipeline, the air storage tank 2a is connected with the air inlet end of the heat exchanger 3a through a pipeline, and the air outlet end of the heat exchanger 3a is connected with the aeration pipe 5a through a pipeline; a plurality of bearing plates 7a which are obliquely arranged relative to the vertical direction of the fermentation box 4a are arranged in the fermentation box 4a, an aeration pipe 5a is arranged at the bottom of the bearing plates 7a, and an aeration head 6a is connected with an air outlet of the aeration pipe 5 a. The air compressor 1a compresses and stores air into an air storage tank 2a, an air outlet end of the air storage tank 2a is connected with a heat exchanger 3a, the compressed air enters a heat exchange tube in the heat exchanger 3a, and the compressed air is heated through the heat exchanger 3 a; the heated compressed air is conveyed to the aeration pipes 5a of the fermentation boxes, and the sludge in the fermentation boxes 4a is sprayed through the aeration heads 6 a; the utility model discloses in, aeration pipe 5a sets up the bottom of bearing plate 7a in fermenting case 4a, pours into fermenting case 4a when mud from the roof like this, and mud striking is on bearing plate 7a, and can not directly strike on aeration head 6a and aeration pipe 5a, and the effectual aeration head 6a that has protected prevents that it from receiving the striking of mud for damaging.

As shown in fig. 3, the bearing plate 7a has at least two layers, and each layer of bearing plate 7a is arranged in parallel relative to the horizontal plane; the bearing plates 7a of each layer are provided with a plurality of bearing plates, and the inclination directions and the inclination angles of the bearing plates 7a of the same layer are consistent; the inclination angles of the bearing plates 7a of two adjacent layers are consistent, and the inclination directions are opposite. The bearing plate 7a is arranged in the fermentation box 4a, so that the maximum bearing capacity of the fermentation box 4a can be improved under the condition that the base area is not increased; the bearing plate 7a which is obliquely arranged can effectively share the pressure of the sludge on the bottom of the fermentation box, so that the structural strength of the fermentation box 4a is enhanced; when pouring the mud when reinforced toward fermentation case 4a internal tilting, mud is at first strikeed on the bearing plate 7a of the top layer, because bearing plate 7a slope sets up, mud landing is to the bearing plate 7a of next floor again, because mud does not all can receive bearing plate 7 a's resistance through one deck bearing plate 7a, and reduces the speed of mud whereabouts, shares the pressure that mud caused the bottom of the case, avoids mud directly to drop to the bottom of the case, produces huge impact.

Wherein, each bearing plate 7a is equipped with an aeration pipe 5a below at least, and aeration pipe 5a is last to be equipped with a plurality of gas vents at interval, and each gas vent all is connected with aeration head 6 a. An aeration pipe 5a is arranged under each bearing plate 7a, and a plurality of air outlets are arranged on the aeration pipe 5a and connected with an aeration head 6a, so that air injection at each position in the fermentation box can be realized, and the fermentation is uniform.

As shown in fig. 4, control valves 11a are provided on the pipeline connecting the air compressor 1a and the air tank 2a, the pipeline connecting the air tank 2a and the heat exchanger 3a, and the pipeline connecting the heat exchanger 3a and the aeration pipe 5 a. All set up control flap 11a between each equipment, on the one hand the control of being convenient for, on the other hand, when one of them equipment need overhaul when changing, can in time close the valve, stop compressed air's transport.

Wherein, the gas storage tank 2a and each pipeline are provided with a pressure gauge 12 a. The pressure gauge 12a is arranged, so that the pressure in the gas storage tank 2a and the pipeline can be observed in real time, and safety accidents caused by insufficient air injection due to too small pressure or too large pressure are avoided.

8 fermentation case 4a are equipped with, and 8 fermentation case 4a are two rows of interval symmetry and set up, and air compressor machine 1a, gas holder 2a and heat exchanger 3a locate one of them one end tip department of fermentation case 4 a. Thus, the tube discharging is convenient, and the operation of operators and the monitoring of the fermentation condition are convenient.

As shown in FIG. 6, an aeration main pipe 8a is provided outside each fermentation tank 4a, the aeration main pipe 8a is provided on the side wall of the fermentation tank 4a opposite to the other row of fermentation tanks 4a, and the aeration pipe 5a in each fermentation tank 4a is connected to the aeration main pipe 8 a. The aeration pipes 5a are arranged in the fermentation box 4a layer by layer and are arranged corresponding to the bearing plate 7a, a main pipe, namely an aeration main pipe 8a, is arranged outside the fermentation box 4a, and each aeration pipe 5a is connected with the aeration main pipe 8a respectively, so that the using amount of pipelines can be reduced, and the pipe arrangement can be tidy.

As shown in fig. 5, an aeration tank 9a is connected to the air outlet end of the heat exchanger 3a, a plurality of branch pipes 10a are provided on the aeration tank 9a, and each branch pipe 10a is connected to one aeration main pipe 8 a. The heated compressed air is temporarily stored in an air ventilation tank 9a, the air ventilation tank 9a is connected with a plurality of branch pipes 10a, each branch pipe 10a is connected with an aeration main pipe 8a of the fermentation tank 4a, and the compressed air is divided through the branch pipes 10 a. A pressure gauge 12a and a control valve 11a are also provided in the branch pipe 10 a.

Wherein the branch pipe 10a is positioned between the two rows of fermentation boxes 4 a. The branch pipes 10a are arranged between the two rows of fermentation boxes 4a, so that the using amount of pipelines can be reduced, and the cost is saved; in addition, the calandria can be tidy and beautiful.

As shown in fig. 7 to 13, the mud discharging mechanism includes: a frame including a rectangular frame; a plurality of rotating shafts 1b arranged in parallel with the same edge of the frame are uniformly arranged and rotatably arranged on the frame through bearings, a plurality of long mud blocking rods 11b arranged in parallel with the rotating shafts 1 in the same radial direction are arranged on the rotating shafts 1b, and the long mud blocking rods 11b are uniformly arranged along the axial direction of the rotating shafts 1b to form a comb-tooth-shaped structure; the rotating mechanism 2b is used for controlling the rotating shaft 1 to rotate along the circumferential direction and comprises a rotation driving mechanism 21b and a rotating shaft synchronizing mechanism 22b connected with the rotating shaft 1 b; the oscillating mechanism 3b for controlling the oscillation of the rotating shaft 1b in the circumferential direction includes an oscillating drive device 31b and a cam mechanism 32 b.

The mud discharging mechanism improves the integral structural strength during discharging in a mode of distributing the pressure of the mud on the bottom through the multiple rotating shafts 1b through the design of multiple openings of the multiple rotating shafts 1 b. When the incasement clout is more and close the opening, drive the rotatory comb-tooth-shaped structure compression mud that makes of pivot 1b through slewing mechanism 2b to cooperation vibration mechanism 3b makes partial mud flow from the broach clearance, closes the opening under the condition that need not up return pressure to mud, and after the opening closure, can not continue to flow from the broach because of the adhesion force of mud self, the completion opening is closed. The utility model relates to a rationally, simple structure is applicable to putting the mud operation of large-scale fermenting case.

As shown in fig. 7 to 12, the rotating shaft synchronizing mechanism 22b includes a synchronizing rod 221b axially disposed perpendicular to the rotating shaft 1b, the synchronizing rod 221b is provided with a plurality of synchronizing swing arms 222b axially and rotatably connected to the synchronizing rod 221b, the synchronizing swing arms 222b are in one-to-one correspondence with the rotating shaft 1b, and each synchronizing swing arm 222b is fixedly connected to the corresponding rotating shaft 1 b. In order to avoid the influence of sludge on the synchronizing mechanism, the rotating shaft synchronizing mechanism 22b is arranged on one side of the tail end of the rotating shaft 1b, which is positioned outside the frame.

As shown in fig. 8, 11 and 12, the rotating shaft 1b is divided into a driving shaft 1.1b and a driven shaft 1.2b, the shaft end of the driving shaft 1.1b is connected with a rotating mechanism 2b and a vibrating mechanism 3b, the rotating shafts 1b outside the driving shaft 1.1b are driven shafts 1.2b, the rotating mechanism 2b controls the driving shaft 1.1b to rotate, and the driven shaft 1.2b is driven to rotate by a rotating shaft synchronizing mechanism 22 b. The driving shaft 1.1b is arranged in the middle of the frame, which is beneficial to ensuring that the stress of the rotating shaft synchronous mechanism 22b is more balanced.

As shown in fig. 8 to 10, the rotation driving mechanism 21b includes a rotating disk 211b rotatably coupled to the driving shaft 1.1b, and a rotation motor 212b for controlling the rotation of the rotating disk 211 b; the vibration driving device 31b is fixedly arranged on the rotating disc 211 b; the cam part of the cam mechanism 32b is fixedly connected with the output end of the vibration driving device 31b, and the driven part is fixedly connected with the shaft end of the driving shaft 1.1 b. The rotating motor 212b drives the rotating disk 211b to rotate, thereby driving the vibration mechanism 3b to rotate together with the driving shaft 1.1 b.

The cam mechanism 32b includes an eccentric 321b, a first rocker arm 322b and a second rocker arm 323b, the eccentric 321b is fixed at the output end of the vibration driving device 31b, a rotating pair of the eccentric 321b is rotatably connected with one end of the first rocker arm 322b, the other end of the first rocker arm 322b is rotatably connected with one end of the second rocker arm 323b, and the other end of the second rocker arm 323b is fixedly connected with the shaft end of the driving shaft 1.1 b. The eccentric 321b, the first rocker arm 322b and the second rocker arm 323b cooperate to perform eccentric rotation, so that the driveshaft 1.1b performs reciprocating vibration with respect to the rotary disk 211 b.

In addition, the rotating motor 212b and the vibration driving device 31b are speed reducing motors or speed reducer assemblies with directly connected motors.

As shown in fig. 11 to 13, the length of the long mud bar 11b is smaller than the length of the interval between the adjacent rotating shafts 1 b. The rotating shaft 1b is provided with a plurality of short mud blocking rods 12b, the short mud blocking rods 12b are parallel to the long mud blocking rods 11b and are arranged on the other side of the rotating shaft 1b, and a short mud blocking rod 12b is arranged on the reverse extension line of the symmetry axis between any two adjacent long mud blocking rods 11 b. The length of the short mud guard rods 12b is smaller than that of the long mud guard rods 11b, and the diameter of the short mud guard rods 12b is smaller than the length of the space between the adjacent long mud guard rods 11 b. The short mud blocking rods 12b form a reverse comb structure and are arranged in a staggered mode with the long mud blocking rods 11b of the adjacent rotating shafts. When the mud discharging operation is closed, the long mud blocking rod 11b and the short mud blocking rod 12b are matched to carry out loading, the contact area of the sludge and the gap of the comb tooth structure is reduced, and the outflow of the sludge is reduced.

Example 2

Referring to fig. 14 to 16, a second embodiment of the present invention is similar to embodiment 1, except that in this embodiment, the sludge fermentation apparatus further includes a sludge leveling device c fixed above the fermentation tank 4 a. As shown in fig. 14 to 16, the sludge leveling device c comprises a guide rail 2c, a frame 1c and a linear reciprocating driving device, the device is installed at the upper end opening of the fermentation tank, the linear reciprocating driving device is connected with the frame 1c, two linear guide rails 2c are symmetrically arranged at two sides of the frame 1c respectively, a chute is arranged in the guide rail 2c, support plates 16c are arranged at two sides of the frame 1 respectively, the support plates 16c are inclined upwards by 45-65 degrees relative to the plane of the frame 1c, the frame 1c and the guide rails 2c are separated by the support plates 16c to form a gap, and the guide rails 2c are directly installed at the end opening of the fermentation tank, so that the frame 1c and the side wall of the fermentation tank form a gap, and the frame 1c is prevented from touching the side wall of the fermentation tank during the. The end face of the supporting plate 16c is provided with the plurality of wheel shafts 4c, the wheel shafts 4c are arranged in the sliding grooves, the sliding grooves play a role in guiding and limiting, and the sliding grooves limit the movement of the wheel shafts 4c in the vertical direction and the horizontal direction, so that the wheel shafts 4c can only slide along the direction of the sliding grooves, the wheel shafts 4c are ensured not to derail, and the use is safe and stable.

Wherein, in this embodiment, frame 1c comprises diaphragm 12c and riser 11c, a plurality of diaphragm 12c and riser 11c mutually perpendicular set up and form a plurality of rectangle square 14c, a plurality of rectangle square 14c amalgamation form latticed structure, reinforcing plate 13c has been set up at frame 1 c's end, straight line reciprocating drive device and reinforcing plate 13c mid-portion are connected, can increase frame 1c bulk strength through reinforcing plate 13c, in the drive of straight line reciprocating drive device, reinforcing plate 13c direct atress, with the thrust dispersion, it causes frame 1c to warp to avoid straight line reciprocating drive device directly to promote diaphragm 12c and riser 11c, and straight line reciprocating drive device's effect force point is located reinforcing plate 13c middle part, make the promotion more steady and stable.

In the device, at least one scraper 15c is arranged in each square 14c, wherein in the embodiment, one scraper 15c perpendicular to the plane of the frame 1c is arranged in each square 14c, and the scraper 15c is welded on the inner angle of the square 14c, so that the welding area can be increased, and the fixing strength of the square can be improved.

Because this frame 1c is latticed structure, consequently when empting the fermentation material and entering into the fermenting case, the fermentation material can pass through latticed structure and directly enter into to the fermenting case inside, can not receive blockking of frame 1c, and the fermentation material also can not cause great impact force to frame 1 when empting the entering simultaneously, consequently can start this device simultaneously empting the fermentation material, can not cause the influence.

In the embodiment, a linear reciprocating driving device comprises a motor, a speed reducer 33c, a crank 32c and a connecting rod 31c, wherein the motor is connected with the speed reducer 33c, the crank 32c is connected with the speed reducer 33c, and two ends of the connecting rod 31c are respectively connected with the crank 32c and the frame 1c in a rotating mode. The torque is improved through the speed reducer, the rotating speed is reduced, so that sufficient power is guaranteed to push the fermentation materials, and the linear reciprocating driving device is simple in structure, low in production cost and convenient to maintain.

In addition, because the fermentation material has high humidity, the guide rail 2c, the frame 1c and the scraper 15c are all provided with antirust coatings so as to prolong the service life of the device.

This device is installed at the top end opening part of fermenting case, cover the opening of whole fermenting case, the fermentation material is leading-in when to the fermenting case, the motor synchronous start, the motor is as power supply drive frame 1c and carries out straight reciprocating motion along guide rail 2c direction on, the fermentation material is emptyd to the fermenting case in through frame 1c, when the fermentation material piles up at the fermenting case middle part and forms the chevron, scraper blade 15c on frame 1c pushes the fermentation material at middle part to both sides, make the fermentation material evenly distributed in the fermenting case, finally make the up end of whole fermentation material keep level, avoid fermenting case internal pressure inequality, influence fermenting case life.

Example 3

Fig. 17 to 19 show a third embodiment of the present invention, which is similar to embodiment 1, except that in this embodiment, the sludge fermentation apparatus further includes a rice hull feeding device disposed above the fermentation tank 4 a. As shown in fig. 17 to 19, the rice hull feeding device comprises a storage bin 1d and a blanking hopper 3d, wherein the storage bin 1d is connected with the blanking hopper 3d through a conveying mechanism, the conveying mechanism comprises a first conveying mechanism 21d and a second conveying mechanism 22d, the first conveying mechanism 21d and the second conveying mechanism 22d are identical in structure and are screw conveyors, the conveying mechanism comprises a conveying cylinder, a second driving motor 221d and a rotating shaft, the rotating shaft is arranged in the conveying cylinder, a rotating blade is welded on the rotating shaft, and the second driving motor 221d is connected with the rotating shaft to drive the rotating shaft to rotate. A conveying inlet 222d and a conveying outlet 223d are respectively arranged on two sides of the conveying cylinder, wherein the conveying inlet 222d is arranged on the upper end surface of the conveying cylinder, the conveying outlet 223d is arranged on the lower end surface of the conveying cylinder, the conveying outlet 223d of the first conveying mechanism 21d is communicated with the conveying inlet 222d of the second conveying mechanism 22d, and the installation angle between the first conveying mechanism 21d and the second conveying mechanism 22d can be adjusted according to the actual installation position. The conveying inlet 222d of the first conveying mechanism 21d is communicated with the storage bin 1d, the conveying outlet 223d of the second conveying mechanism 22d is communicated with the charging barrel 45d of the blanking hopper 3d, the rotating blades and the inner wall of the conveying barrel form a plurality of conveying chambers, rice husk materials enter the conveying chambers and are pushed to rotate by rotating the rotating shafts, and the rice husk materials are pushed to the conveying outlet 223d from the conveying inlet 222 d. In the device, each conveying cavity is independent and not communicated with each other, so that rice hull materials can be conveyed into the next-stage mechanism only when the conveying mechanism works, and the rice hull materials cannot be conveyed to the next stage when the machine is stopped, and the maintenance is convenient. In the embodiment, the storage bin 1d is an inverted trapezoid funnel, and an open port is arranged on the upper end surface of the storage bin 1d for pouring rice husk.

In this embodiment, blanking fill 3d is trapezoidal funnel, and trapezoidal funnel's up end and second conveying mechanism 22 d's delivery outlet 223d intercommunication, rice husk material delivery outlet 223d fall into the middle part to trapezoidal funnel, and trapezoidal funnel can cross the storage space of increase blanking fill 3d, and the area of increase ejection of compact makes mud and the increase of rice husk material mixing area. An auger 4d is provided at the outlet of the drop hopper 3d, and the auger 4d is detachably mounted at the outlet of the drop hopper 3 d. In the use, can change the screw conveyer 4d of adjusting different specifications according to practical application to realize the adjustment of different discharge rate, because screw conveyer 4d can be dismantled, make things convenient for maintenance more in addition. Wherein, auger delivery ware 4d includes feed cylinder 45d, a driving motor 41d, feeding pivot 46d and spiral plate 44d, feed cylinder 45 upper end is equipped with feed inlet 42d, feed cylinder 45d lower extreme is equipped with discharge gate 43d, feed inlet 42d communicates with the export of blanking fill 3d, spiral plate 44d is including forward spiral plate and reverse spiral plate, forward spiral plate and reverse spiral plate set up respectively in feeding pivot 46d central both sides, the work of forward spiral plate and reverse spiral plate pushes away the material opposite direction. A material cavity 441d is formed between two adjacent spiral plates 44d, and the opposite material cavities 441d are respectively communicated with the feeding hole 42d and the discharging hole 43 d. In the present apparatus, when the screw conveyor 4d is not started, it can be used as a shut-off valve, the material cavity 441d formed by the screw plate 44d separates the feeding hole 42d from the discharging hole 43d, and when the screw plate 44d rotates to any angle, the feeding hole 42d and the discharging hole 43d are not communicated with each other. When the screw conveyor 4d is started, when the cavity rotates to a position communicated with the feeding cavity 441d, rice hull materials in the feeding cavity 441d are filled in the corresponding material cavity 441d, the feeding rotating shaft 46d drives the screw plate 44d to rotate, the rice hull materials in the material cavity 441d are conveyed to the discharging hole 43d from the feeding hole 42d, and when the material cavity 441d filled with the rice hull materials moves to be communicated with the discharging hole 43d, the rice hull materials slide out from the discharging hole 43d under the action of gravity, so that discharging is achieved. In the present device, each chamber is the same size, and therefore can discharge quantitatively. In the device, in order to ensure the discharging speed, the conveying speed is adjusted to 60-80 kg/min.

As shown in fig. 19, at least 4 spiral plates 44d are provided, and the adjacent spiral plates 44d are arranged at equal angles, wherein in the present embodiment, the number of the spiral plates 44d is 4, the angle between the adjacent spiral plates 44d is 90 °, the discharge port 43d is arranged at the lower end of the charging barrel 45d, and the included angle between the discharge port 43d and the horizontal plane is 60 °.

In this device, a large amount of rice hulls are stored in storage silo 1, when adding rice hull material in needs toward mud, the rice hull material falls on spiral shell 44d, pivot 46d drives spiral shell 44d and rotates, the work of forward spiral shell and reverse spiral shell pushes away opposite direction, when rice hull material falls into blanking hopper 3d from storage silo 1, rice hull material can pile up the middle part at blanking hopper 3d, consequently when auger delivery ware 4d starts, forward spiral shell and reverse spiral shell are respectively with rice hull material propelling movement to blanking hopper 3 d's both sides and accomplish the work of ejection of compact simultaneously, consequently, rice hull material can be even when the blanking cover the exit region of whole blanking hopper 3d, make mud can mix with the rice hull material fully, can make the aerobic fermentation abundant, improve the mixability of rice hull material and mud.

Example 4

As shown in fig. 20, the fourth embodiment of the present invention is similar to embodiment 3, and the difference is that, in this embodiment, the spiral plates 44d are provided with 3 spiral plates, the included angle between each adjacent spiral plate 44d is 120 °, and the discharge port 43d is installed on the same straight line with the feed port 42d, a chamber is formed between the adjacent spiral plates 44d, in this embodiment, when the spiral plates 44d rotate to any angle, the same chamber is not communicated with the feed port 42d and the discharge port 43d at the same time, so that the feed port 42d and the discharge port 43d are not directly communicated, and the function of the valve is achieved.

Example 5

As shown in fig. 21, a fifth embodiment of the present invention is similar to embodiment 1, except that in this embodiment, the sludge fermentation apparatus further includes a vibrating sludge-moving device e disposed on the ground below the fermentation tank 4a, and the vibrating sludge-moving device e includes a sludge-moving tray 1e, a vibrator 2e, a swing frame 3e and a fixed support 4 e; the mud running disc 1e is rotationally connected with a swinging frame 3e, and the swinging frame 3e controls the mud running disc 1e to incline or be parallel relative to a horizontal plane; the vibrator 2e controls the mud-moving plate to vibrate.

After the sludge is discharged by the sludge discharge mechanism, the sludge moving disc 1e of the vibrating sludge moving device e can receive the sludge, and the swing frame 3e controls the sludge moving disc 1e to incline, so that the sludge is dumped; meanwhile, the vibrating machine 2e controls the mud moving disc 1e to vibrate, so that the adhesive force of the mud on the mud moving disc 1e can be effectively reduced, and the mud can be poured more easily.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A sludge fermentation device, which is characterized by comprising a fermentation box, an aeration system for aerating sludge and a sludge discharging mechanism for discharging sludge in the fermentation box, wherein:

the fermentation box is suspended in the air, the bottom of the fermentation box is provided with an opening, and a plurality of bearing plates which are obliquely arranged relative to the vertical direction of the fermentation box are arranged in the fermentation box;

the aeration system comprises an air supply system and a pipeline system, the pipeline system comprises an aeration main pipe and an aeration pipe which are mutually communicated, the aeration pipe is arranged at the bottom of the bearing plate, and a plurality of air outlets are arranged on the aeration pipe at intervals;

the sludge discharge mechanism is arranged at an opening at the bottom of the fermentation box and comprises a plurality of rotating shafts and a rotating shaft driving mechanism which are parallel to each other and are uniformly arranged on a horizontal plane, a comb-shaped baffle is arranged on the rotating shaft, and the rotating shaft driving mechanism controls the rotating shaft to rotate so as to drive the comb-shaped baffle to be closed or opened.

2. The sludge fermentation device of claim 1, wherein the bearing plate has at least two layers, each layer of the bearing plate is arranged in parallel with respect to the horizontal plane; the bearing plates in each layer are provided with a plurality of bearing plates, and the inclination directions and the inclination angles of the bearing plates in the same layer are consistent; the inclination angles of the bearing plates of the two adjacent layers are consistent, and the inclination directions are opposite.

3. The sludge fermentation apparatus of claim 2, wherein at least one aeration pipe is provided at the bottom of each bearing plate, and an aeration head is connected to each air outlet; the aeration main pipe is arranged on the side wall of the outer side of the fermentation box.

4. The sludge fermentation apparatus of claim 1, wherein the rotation shaft driving mechanism comprises a rotation shaft synchronizing mechanism for connecting all the rotation shafts to rotate synchronously, a rotating mechanism for controlling the rotation shafts to rotate, and a vibrating mechanism for controlling the rotation shafts to vibrate in the circumferential direction.

5. The sludge fermentation device of claim 1, wherein the comb-shaped baffle comprises a plurality of evenly arranged mud blocking rods, and the length of the mud blocking rods is not more than the distance between the adjacent rotating shafts.

6. The sludge fermentation device of claim 1, wherein the gas supply system comprises an air compressor, a gas storage tank and a heat exchanger, the air compressor is connected with the gas storage tank through a pipeline, the gas storage tank is connected with the gas inlet end of the heat exchanger through a pipeline, and the gas outlet end of the heat exchanger is connected with the pipeline system.

7. The sludge fermentation apparatus of claim 6 wherein the piping system connects no less than one of the fermentation tanks.

8. The sludge fermentation device according to any one of claims 1 to 7, further comprising a sludge leveling device fixedly arranged above the fermentation box, wherein the sludge leveling device comprises a linear reciprocating driving device, a guide rail and a frame, the frame is slidably connected with the guide rail, the frame is provided with a plurality of scraping plates, and the linear reciprocating driving device is connected with the frame and drives the frame to perform linear reciprocating motion.

9. The sludge fermentation device as claimed in any one of claims 1 to 7, further comprising a rice hull feeding device arranged above the fermentation box, wherein the rice hull feeding device comprises a storage bin and a blanking hopper which are communicated with each other, and an outlet of the blanking hopper is provided with a rotary discharge valve.

10. The sludge fermentation device according to any one of claims 1 to 7, further comprising a vibrating sludge-moving device disposed on the ground below the fermentation tank, wherein the vibrating sludge-moving device comprises a sludge-moving disc, a vibrator, a swing frame and a fixed support; the mud running disc is rotationally connected with the swinging frame, and the swinging frame controls the mud running disc to incline or be parallel relative to a horizontal plane; the vibrating machine controls the mud moving disc to vibrate.

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