CN214991065U

CN214991065U - Municipal sludge recycling application treatment device

Info

Publication number: CN214991065U
Application number: CN202121228337.XU
Authority: CN
Inventors: 曹洪涛; 陈落远; 潘迪; 张磊
Original assignee: SHANDONG YIYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Current assignee: SHANDONG YIYUAN ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-03
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a municipal administration mud resourceful application processing apparatus belongs to sludge treatment technical field, municipal administration mud resourceful application processing apparatus is including storing up mud system, degree of depth conditioning system, filter-pressing system and fermentation system. The utility model discloses a municipal administration mud resourceful application processing apparatus obtains the mud below the moisture content 60% with the back filter-pressing of mud degree of depth recuperation, makes bio-organic fertilizer after fermentation through the fermentation system fermentation and carries out resource utilization, and whole process is simple, equipment investment cost is low, can realize the scale of mud and handle.

Description

Municipal sludge recycling application treatment device

Technical Field

The utility model relates to a sludge treatment technical field, concretely relates to municipal administration mud resourceful application processing apparatus.

Background

The sludge is a viscous substance produced in the sewage treatment process, takes aerobic microorganisms and anaerobic microorganisms as main bodies, and is mixed with a plurality of complex mixtures of silt, fiber, animal and plant residues, organic matters, metals, germs, ova, colloid and the like adsorbed on the residues in the original sewage. The sludge discharged from sewage treatment plants is generally a loose peptized paste with the water content of 95-99%, has the physicochemical characteristics of light specific gravity (less than or equal to 1g/cm3), large volume (tens of times of the volume of solid substances contained), strong thixotropy (difficult dehydration) and extremely easy putrefaction and malodor, and is not very beneficial to treatment and transportation. The action plan for preventing and treating water pollution, which is issued by State administration in 2015, requires that the harmless treatment rate of municipal sludge on the grade of land and above in China reaches more than 90% before 2020. In 2020, the State development and improvement Commission and the Ministry of residence and construction jointly issues 'implementation scheme of the Requirements for the Reinforcement and weakness of municipal wastewater treatment facilities', and clearly proposes to promote the harmless recycling treatment of sludge. In 2019, the dry sludge production amount of a Chinese municipal sewage treatment plant is about 1232 ten thousand tons, the dry sludge treatment amount is about 1182 thousand tons, the sludge amount is increased year by year, if reasonable treatment and disposal are not carried out, serious threats can be caused to the environment and human life, and the treatment and disposal of the sludge become a major technical problem faced by the municipal sewage treatment plant at present. Therefore, the sludge is subjected to effective dehydration treatment, the water content of the sludge is reduced, the volume of the sludge is greatly reduced, the subsequent stable sludge treatment process is facilitated to be smoothly carried out, the sludge treatment cost is reduced, and the harmless and recycling treatment of the sludge becomes the inevitable development trend of the sludge industry.

Municipal sewage plant sludge has the characteristics of: (1) the sludge yield is large, the scale of a sewage plant is large, and the sludge is centralized; (2) the organic matter content is low, and the silt content is high; (3) the sludge quality difference in different areas is large, the water content of the sludge in municipal sewage plants is 92-99.5%, the water content of the sludge needs to be reduced to a certain degree, then aerobic fermentation treatment is carried out, and finally recycling, reduction and harmlessness of the sludge are realized. In the traditional aerobic fermentation process, the water content of the sludge is reduced to about 80 percent, then moisture adjusting materials such as straws and sawdust are added to adjust the water content to about 60 percent, in the process, a large amount of moisture adjusting materials need to be added, the cost is high, the volume and the weight of the sludge are greatly increased, and the treatment cost of unit sludge is increased.

Disclosure of Invention

For solving the problem that exists among the prior art, the utility model discloses a municipal sludge resourceful application processing apparatus can carry out the effective processing to the municipal sludge of high water content, reduces the moisture content, makes it directly ferment to realize the resourceful application of municipal sludge after fermentation treatment.

The utility model adopts the technical proposal that: the municipal sludge recycling application treatment device comprises a sludge storage system, a deep conditioning system, a filter pressing system and a fermentation system; the sludge storage system comprises an intermittent gravity concentration tank and a sludge lifting pump, the deep conditioning system comprises a sludge deep conditioning tank, the filter pressing system comprises a screw pump, a diaphragm plate-and-frame filter press and a first belt conveyor, and the fermentation system comprises a fermentation tower and a second belt conveyor; the bottom of the intermittent gravity concentration tank is provided with a sludge outlet, and is connected with one end of a sludge lifting pump through a pipeline, and the other end of the sludge lifting pump is connected with a sludge inlet end of a sludge deep conditioning tank through a pipeline; the upper part of the sludge deep conditioning pool is fixedly provided with a first stirrer, the bottom of the sludge deep conditioning pool is provided with a sludge outlet, the sludge outlet is connected with one end of a screw pump through a pipeline, and the other end of the screw pump is connected with a sludge inlet pipe of a diaphragm plate-and-frame filter press through a pipeline; the first belt conveyor is positioned right below a mud falling hopper of the diaphragm plate-and-frame filter press, and the conveying tail end of the first belt conveyor is connected with a sludge distributor on the upper side of the fermentation tower; the bottom of the fermentation tower is provided with two discharge hoppers, the second belt conveyor is positioned below the two discharge hoppers, and the conveying tail end of the second belt conveyor is provided with a material collecting groove.

The sludge with high water content is precipitated and concentrated in the intermittent gravity concentration tank and then is sent into the sludge deep conditioning tank from the bottom by the sludge lifting pump, the sludge is deeply conditioned, then the sludge is sent into a diaphragm plate-and-frame filter press from the bottom by a screw pump to be subjected to filter pressing treatment, the filter-pressed sludge cake enters the fermentation tower from a sludge distributing opening by a first belt conveyor, the sludge falls from top to bottom by gravity, no additional mechanical drive is needed, meanwhile, the biological agent is added for aerobic fermentation, the generated biological organic fertilizer falls into a second belt conveyor through a discharge hopper and is transported out and packaged into a finished product, and the municipal sludge recycling application treatment is completed.

Further, the municipal sludge recycling application treatment device further comprises a wastewater adjusting tank, wherein the wastewater adjusting tank is respectively connected with an overflow port at the upper end of the intermittent gravity concentration tank and a water outlet of the diaphragm plate-and-frame filter press through pipelines. Supernatant in the intermittent gravity concentration tank can overflow into the wastewater adjusting tank through a pipeline in the sludge precipitation process, and sewage pressed by the diaphragm plate-and-frame filter press also enters into the wastewater adjusting tank through the pipeline for treatment.

Further, the deep conditioning system further comprises a sludge deep conditioner dosing tank, the sludge deep conditioner dosing tank is connected with the sludge deep conditioning pool through a pipeline, a metering dosing pump is arranged on a connecting pipeline between the sludge deep conditioner dosing tank and the sludge deep conditioning pool, and a second stirring machine is fixed at the top of the sludge deep conditioner dosing tank. And quantitatively adding the sludge deep conditioner into the sludge deep conditioning pool through a deep conditioner adding tank and a metering adding pump.

Furthermore, the deep conditioning system also comprises a sludge filter aid feeding groove, wherein an opening at the lower side of the sludge filter aid feeding groove is connected with the deep conditioning pool of sludge through an automatic weighing machine.

Furthermore, the fermentation tower is cylindrical, the interior of the fermentation tower is divided into a plurality of interlayer plates by the interlayer plates, and each interlayer plate is provided with a blanking port; the fermentation tower is characterized in that a mechanical rotating shaft is arranged on a central shaft of the fermentation tower, the mechanical rotating shaft penetrates through all the interlayer plates, a driving motor is arranged at the top end of the mechanical rotating shaft, and a plurality of stirring blades are arranged on the mechanical rotating shaft. The mud cake is smashed to the epaxial stirring paddle of driving motor drive machinery rotation and makes mud and biological agent misce bene and fully oxygenate for the material, the fermentation speed of mud is accelerated, improve the decomposition temperature, guarantee material decomposition and microorganism multiplication, still promote simultaneously that the material after the fermentation is accomplished to discharge from the blanking mouth on the interlayer board and get into next interlayer, the material relies on gravity to accomplish different fermentation stages through each interlayer in proper order, both saved manpower and materials and played the effect of taking off turning over the material again, environmental pollution has been reduced.

Furthermore, each interlayer plate is provided with 2 symmetrically arranged blanking ports, the lower side surface of each interlayer plate is respectively provided with a baffle plate in sliding connection at the two blanking ports, the lower side surface of each interlayer plate is provided with guide grooves at two sides of each blanking port, and the baffle plates are arranged in the guide grooves and can slide along the guide grooves; the blanking port is downwards protruded with a truncated cone-shaped convex edge with the bottom being internally contracted, and the baffle is tightly attached to the bottom surface of the convex edge; and an air cylinder is arranged on one side of the two blanking ports on the lower side plate surface of the interlayer plate and is connected with the two baffles through a connecting rod. The blanking port is sealed by the baffle, and the baffle is pushed and pulled by the cylinder to control the opening and closing of the blanking port.

Furthermore, the bottom end of one side outside the fermentation tower is provided with an air blower, and the air blower is communicated with all the interlayers through an air supply pipeline.

Furthermore, an exhaust fan is arranged at the upper end of the other side outside the fermentation tower and is communicated with all the interlayer through an exhaust pipeline. Pipelines of the air blower and the exhaust fan are connected with each interlayer, and the air blower and the exhaust fan are started according to requirements to control the requirements of the material fermentation process on oxygen and moisture.

Furthermore, a microbial inoculum charging opening is arranged at the top end of the fermentation tower. Adding a biological microbial inoculum into the sludge through a microbial inoculum charging port, and fermenting to prepare the biological organic fertilizer.

Compared with the prior art, the utility model discloses a municipal administration mud resourceful application processing apparatus's progress part lies in, at first, the utility model provides a store up mud system, degree of depth conditioning system, filter-pressing system and fermentation system and supplement each other, provide a new thinking for sludge treatment deals with. The sludge is deeply conditioned and then is subjected to filter pressing to obtain the sludge with the water content of below 60%, the sludge is fermented by a fermentation system to prepare the bio-organic fertilizer for resource utilization, the whole process is simple and easy to control, the equipment investment cost is low, and the large-scale treatment of the sludge can be realized.

Moreover, the deep sludge conditioning system and the plate-and-frame filter pressing system have synergistic effect, the sludge dewatering performance is strong, the volume reduction capacity is large, and the dewatered water is suitable for fermentation.

Meanwhile, a sludge filter aid dosing device and a sludge deep conditioner dosing device are arranged, the compression double electric layer effect, the adsorption electric neutralization effect, the sludge floc skeleton and sludge hydrophobic channel construction effect, the adsorption bridging effect and the net catching and sweeping effect of the sludge deep conditioner and the sludge filter aid are effectively integrated, the sludge cell walls are damaged, the sludge particle property is changed, the sludge dehydration performance is enhanced, the sludge is subjected to filter pressing by a diaphragm plate-and-frame filter press, the sludge reduction capacity is large, the sludge moisture content is reduced to 50-60%, moisture adjusting materials such as wheat straws and sawdust are not needed to be added, and the fertilizer can be directly prepared by fermentation.

The fermentation tower is reasonable in design, is designed into a cylindrical shape, and occupies a small area; the preparation method is provided with a microbial inoculum charging port, an air blower, an exhaust fan, mechanical stirring and a plurality of interlayers, so that the requirements on fermentation process conditions such as material distribution, stirring, ventilation, oxygen supply, moisture, temperature, microbial inoculum and the like are met, the material fermentation is rapid and sufficient, and the fermentation time is greatly saved.

Drawings

FIG. 1 is a schematic view of a municipal sludge recycling application treatment device

FIG. 2 is a schematic view of the underside of the interlayer plate

In the figure, 1 an intermittent gravity concentration tank, 2 a sludge deep conditioning tank, 3 a sludge filter aid feeding tank, 4 a sludge deep conditioning agent feeding tank, 5 a fermentation tower, 6 a wastewater adjusting tank, 7 a screw pump, 8 a diaphragm plate-and-frame filter press, 9 a sludge lifting pump, 10 a first belt conveyor, 11 a second belt conveyor, 21 a first stirrer, 31 an automatic weighing machine, 41 a second stirrer, 42 a metering dosing pump, 51 a sludge distributor, 52 a driving motor, 53 a mechanical rotating shaft, 54 a microbial inoculum feeding port, 55 an exhaust fan, 56 a discharge hopper, 57 a blower, 58 a interlayer plate, 59 stirring blades, 551 gas collecting ports, 571 air feeding ports, 581

discharging ports

582, 57 baffle plates, 583 cylinders, 584 connecting rods, 585 guide grooves and 585 guide grooves

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in figure 1, the utility model discloses a municipal sludge resource application processing apparatus's an embodiment, in this embodiment, municipal sludge resource application processing apparatus is including storing up mud system, degree of depth conditioning system, filter-pressing system, fermentation system and waste water equalizing basin 6. The sludge storage system comprises an intermittent gravity concentration tank 1 and a sludge lifting pump 9, the deep conditioning system comprises a deep sludge conditioning tank 2, a sludge filter aid feeding tank 3 and a deep sludge conditioner dosing tank 4, the filter pressing system comprises a screw pump 7, a diaphragm plate-and-frame filter press 8 and a first belt conveyor 10, and the fermentation system comprises a fermentation tower 5 and a second belt conveyor 11.

The top of the intermittent gravity concentration tank 1 is provided with an overflow port, the bottom of the intermittent gravity concentration tank is provided with a sludge outlet, the sludge outlet is connected with one end of a sludge lifting pump 9 through a pipeline, and the other end of the sludge lifting pump 9 is connected with the sludge inlet end of the sludge deep conditioning tank 2 through a pipeline.

The sludge deep conditioning pool 2 is provided with a first stirrer 21 along the axis, the upper end of the first stirrer 21 is fixed at the upper part of the sludge deep conditioning pool 2, the bottom of the sludge deep conditioning pool 2 is also provided with a sludge outlet, and the sludge outlet is connected with one end of a screw pump 7 through a pipeline. The deep sludge conditioner dosing tank 4 of the deep sludge conditioning system is connected with the deep sludge conditioning pool 2 through a pipeline, a metering dosing pump 42 is arranged on a connecting pipeline of the deep sludge conditioner dosing tank and the deep sludge conditioning pool, and a second stirring machine 41 is fixed at the top of the deep sludge conditioner dosing tank 4. The sludge deep conditioner is quantitatively added into the sludge deep conditioning pool 2 through a deep conditioner adding tank 4 and a metering medicine adding pump 42. The sludge filter aid feeding tank 3 is arranged above the sludge deep conditioning pool 2 through a support, and the lower side of the sludge filter aid feeding tank is provided with an opening and is connected with the sludge deep conditioning pool 2 through an automatic weighing machine 31.

The other end of the screw pump 7 is connected with a mud inlet pipe of the diaphragm plate-and-frame filter press 8 through a pipeline. The first belt conveyor 10 is arranged right below a mud bucket of the diaphragm plate-and-frame filter press 8 and is used for receiving sludge blocks dehydrated by the plate-and-frame filter press.

The conveying end of the first belt conveyor 10 is connected with a sludge distributor 51 at the upper end of the fermentation tower 5. The fermentation tower 5 is cylindrical, the top end of the fermentation tower is provided with a microbial inoculum charging port 54, and biological microbial inoculum is added into the sludge through the microbial inoculum charging port 54. The interior of the fermentation tower 5 is divided into a plurality of interlayers by a interlayer plate 58, and each interlayer plate 58 is provided with 2 symmetrically arranged blanking ports 581. The lower side plate surface of each layer of interlayer plate 58 is respectively provided with a baffle 582 in sliding connection at two blanking ports 581, the lower side surface of the interlayer plate 58 is provided with guide grooves 585 at two sides of each blanking port 581, the baffle 582 is arranged in the guide grooves 585 and can slide along the guide grooves 585 to open and close the blanking ports 581. The blanking port 581 is downwardly protruded with a truncated cone-shaped flange having a bottom slightly closed inward, and the baffle 582 is closely attached to the surface of the flange. An air cylinder 583 is arranged on one side of the blanking port on the lower side plate surface of the interlayer plate 58, the air cylinder 583 is connected with the two baffles 582 through a connecting rod 584, and the air cylinder 583 drives the two baffles 582 to move.

The fermentation tower 5 is provided with a mechanical rotating shaft 53 along the central axis, and the mechanical rotating shaft 53 penetrates through all the interlayer plates 58. The top end of the mechanical rotating shaft 53 is provided with a driving motor 52, and the mechanical rotating shaft 53 is provided with a plurality of stirring blades 59 corresponding to the interlayer.

The bottom end of one side outside the fermentation tower 5 is provided with a blower 57 which is simultaneously communicated with all the interlayers, and the air supply outlet 571 of the blower 57 in each interlayer is positioned at the joint of the interlayer plate 58 at the top of the layer and the inner wall of the fermentation tower 5; the upper end of the other side of the fermentation tower 5 is provided with an exhaust fan 55 which is simultaneously communicated with all the interlayers, and a gas collection port 551 of the exhaust fan 55 in each interlayer is also positioned at the top of the interlayer and is symmetrical to an air supply port 571.

The stirring paddle 59 on the driving motor 52 driving the mechanical rotating shaft 53 smashes the mud cake to enable the sludge and the biological agent to be uniformly mixed and fully oxygenate the material, the fermentation speed of the sludge is accelerated, the decomposition temperature is increased, the material decomposition and the microorganism proliferation are ensured, meanwhile, the material after the fermentation is completed is pushed to be discharged from the blanking port to enter the next interlayer, the material is subjected to gravity to complete different fermentation stages through each interlayer in sequence, the manpower and material resources are saved, the material overturning and raking effect is also played, and the environmental pollution is reduced. The pipelines of the air blower 57 and the exhaust fan 55 are connected with each interlayer, and the air blower 57 and the exhaust fan 55 are started according to the requirements to control the requirements on oxygen and moisture in the material fermentation process.

Two discharging hoppers 56 are arranged at the bottom of the fermentation tower 5, and the second belt conveyor 11 is arranged under the two discharging hoppers 56 at the bottom of the fermentation tower 5 and used for receiving the fermented sludge bacterial manure falling from the discharging hoppers and conveying the sludge bacterial manure to the collecting tank.

The wastewater adjusting tank 6 is respectively connected with an overflow port at the upper end of the intermittent gravity concentration tank 1 and a water outlet of the diaphragm plate-and-frame filter press 8 through pipelines. Supernatant in the sludge sedimentation process of the intermittent gravity concentration tank 1 can overflow into the wastewater adjusting tank 6 through a pipeline, and sewage pressed by the diaphragm plate-and-frame filter press 8 also enters into the wastewater adjusting tank 6 through a pipeline for treatment

The utility model discloses a during municipal administration mud resourceful application processing apparatus uses, throw the mud of high moisture content to the concentrated pond of intermittent type gravity 1 in, deposit, the back supernatant is discharged by the gap and gets into waste water equalizing basin 6 after the sediment is accomplished, mud is transported the mud degree of depth by bottom mud outlet through mud elevator pump 9 and is taked care of pond 2, throw by the mud filter aid and add groove 3 and throw the mud filter aid to the mud degree of depth through automatic weighing machine 31 in the pond 2, first mixer 21 stirs 2-5min makes it the stirring even, the mud filter aid can select for use fly ash, bentonite, in the attapulgite one or several kinds of compositions. Then, quantitatively adding the sludge deep conditioner into the sludge deep conditioning pool 2 through a metering and dosing pump 42 by a deep conditioner dosing tank 4, stirring for 5-10min by a first stirrer 21, wherein the sludge deep conditioner can be one or a combination of more of polyallylamine hydrochloride and dimethyl diallyl ammonium chloride/acrylamide copolymer. The conditioned sludge is pumped to a diaphragm plate-and-frame filter press 8 from a sludge outlet at the bottom through a screw pump 7, the wastewater generated in the filter pressing process of the diaphragm plate-and-frame filter press 8 enters a wastewater adjusting tank 6 through a water outlet, the filter-pressed sludge cake enters a fermentation tower 5 through a sludge distributing port 51 by a first belt conveyor 10 and falls down by gravity from top to bottom without additional mechanical drive, meanwhile, a biological microbial inoculum is added into a microbial inoculum charging port 54, a driving motor 52 is used for driving a stirring blade 59 on a mechanical rotating shaft 53 to crush the sludge cake, so that the sludge and the biological microbial inoculum are uniformly mixed and fully oxygenated, the fermentation speed of the sludge is accelerated, the decomposition temperature is increased, the material decomposition and microbial proliferation are ensured, meanwhile, the fermented material is pushed to be discharged from a discharging door and enter a next interlayer, the material passes through each interlayer sequentially by virtue of gravity to complete different fermentation stages, the manpower is saved, and the material skimming effect is also played, reduces the environmental pollution. When the fermentation tower is fed, the amount of sludge in each interlayer cannot exceed five sixths of the total capacity, and after fermentation is carried out in each interlayer for a set time, the baffle at the feeding port can be opened through the air cylinder, so that the sludge falls into the next interlayer to continue fermentation in the next stage.

In the fermentation process, the blower 57 and the exhaust fan 55 are started according to the requirements to control the requirements on oxygen and moisture in the material fermentation process. The prepared bio-organic fertilizer falls into the second belt conveyor 11 through the discharge hopper 56 and is transported out and packaged into a finished product, and the recycling application treatment of the municipal sludge is completed.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims and the description of the invention.

Claims

1. The municipal sludge recycling application treatment device is characterized by comprising a sludge storage system, a deep conditioning system, a filter pressing system and a fermentation system; the sludge storage system comprises an intermittent gravity concentration tank and a sludge lifting pump, the deep conditioning system comprises a sludge deep conditioning tank, the filter pressing system comprises a screw pump, a diaphragm plate-and-frame filter press and a first belt conveyor, and the fermentation system comprises a fermentation tower and a second belt conveyor; the bottom of the intermittent gravity concentration tank is provided with a sludge outlet, and is connected with one end of a sludge lifting pump through a pipeline, and the other end of the sludge lifting pump is connected with a sludge inlet end of a sludge deep conditioning tank through a pipeline; the upper part of the sludge deep conditioning pool is fixedly provided with a first stirrer, the bottom of the sludge deep conditioning pool is provided with a sludge outlet, the sludge outlet is connected with one end of a screw pump through a pipeline, the other end of the screw pump is connected with a sludge inlet pipe of a diaphragm plate-and-frame filter press through a pipeline, a first belt conveyor is positioned right below a sludge falling hopper of the diaphragm plate-and-frame filter press, and the conveying tail end of the first belt conveyor is connected with a sludge distributor on the upper side of a fermentation tower; the bottom of the fermentation tower is provided with two discharge hoppers, the second belt conveyor is positioned below the two discharge hoppers, and the conveying tail end of the second belt conveyor is provided with a material collecting groove.

2. The municipal sludge recycling application and treatment device according to claim 1, further comprising a wastewater adjusting tank, wherein the wastewater adjusting tank is respectively connected with an overflow port at the upper end of the intermittent gravity concentration tank and a water outlet of the membrane plate-and-frame filter press through pipelines.

3. The municipal sludge recycling application and treatment device according to claim 2, wherein the deep conditioning system further comprises a deep conditioning agent dosing tank, the deep conditioning agent dosing tank is connected with the deep conditioning tank through a pipeline, a metering dosing pump is arranged on a connecting pipeline between the deep conditioning tank and the deep conditioning tank, and a second stirrer is fixed to the top of the deep conditioning agent dosing tank.

4. The municipal sludge recycling application and treatment device according to claim 3, wherein the deep conditioning system further comprises a sludge filter aid feeding tank, and the sludge filter aid feeding tank is opened at the lower side and is connected with the deep conditioning tank through an automatic weighing machine.

5. The municipal sludge resource application and treatment device according to claim 4, wherein the fermentation tower is cylindrical, and is internally divided into a plurality of interlayers by interlayer plates, and each interlayer plate is provided with a blanking port; the fermentation tower is characterized in that a mechanical rotating shaft is arranged on a central shaft of the fermentation tower, the mechanical rotating shaft penetrates through all the interlayer plates, a driving motor is arranged at the top end of the mechanical rotating shaft, and a plurality of stirring blades are arranged on the mechanical rotating shaft.

6. The municipal sludge resource application and treatment device according to claim 5, wherein each interlayer plate is provided with 2 symmetrically arranged blanking ports, the lower side plate surface of each interlayer plate is provided with a baffle plate in sliding connection at the two blanking ports respectively, the lower side surface of each interlayer plate is provided with guide grooves at two sides of each blanking port, and the baffle plates are arranged in the guide grooves and can slide along the guide grooves; the blanking port is downwards protruded with a truncated cone-shaped convex edge with the bottom being internally contracted, and the baffle is tightly attached to the bottom surface of the convex edge; and an air cylinder is arranged on one side of the two blanking ports on the lower side plate surface of the interlayer plate and is connected with the two baffles through a connecting rod.

7. The municipal sludge recycling application and treatment device according to claim 6, wherein a blower is arranged at the bottom end of one side outside the fermentation tower and is communicated with all the interlayers through a blowing pipeline.

8. The municipal sludge recycling application and treatment device according to claim 7, wherein an exhaust fan is arranged at the upper end of the other side outside the fermentation tower and is communicated with all the interlayers through an exhaust pipeline.

9. The municipal sludge resource application and treatment device according to claim 8, wherein a microbial inoculum charging port is formed at the top end of the fermentation tower.