CN210367387U - System for biological modification preparation charcoal of mud - Google Patents
System for biological modification preparation charcoal of mud Download PDFInfo
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- CN210367387U CN210367387U CN201920525783.3U CN201920525783U CN210367387U CN 210367387 U CN210367387 U CN 210367387U CN 201920525783 U CN201920525783 U CN 201920525783U CN 210367387 U CN210367387 U CN 210367387U
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Abstract
The utility model provides a system for biological modification preparation charcoal of mud, it includes first biological modifier, the biological modifier of second, filter pressing device, broken prilling granulator and carbomorphism device, it combines the biological modified back mud internal structure characteristic of first biological modifier and second biological modifier through the special mode that adds agricultural discarded object in small, broken bits in a broken away in a pyrolysis and carbonization process with the mud after the biological modification, and the processing conditions preparation of the corresponding granulation equipment of control and carbomorphism equipment obtains the mud base living beings charcoal of a novel structure, it has the hole big, the porosity is high, advantages such as hole rule and specific gravity are light, can regard as biological charcoal base fertilizer, applications such as adsorbing material.
Description
Technical Field
The utility model relates to a sludge treatment technical field especially relates to a system for biological modified preparation charcoal of mud.
Background
The excess sludge is solid, semi-solid and liquid waste generated by sewage treatment by an activated sludge method, and is a necessary product of a sewage treatment plant, generally speaking, the volume of the excess sludge accounts for about 0.5-2% of the volume of the treated sewage, the water content of the sludge after dehydration in the prior art still reaches about 80%, so that huge capital investment and operation cost are required for properly treating the huge sludge, and the operation cost of sludge treatment accounts for about 25-50% of the total operation cost of the sewage treatment plant, therefore, the existing established sludge treatment facilities in China run normally, and most of the sludge is not subjected to any treatment and is transported outside, discarded at will and is simply filled or used in agricultural land.
However, the water content of the sludge of the municipal sewage plant is high, the difficulty of transportation and centralized treatment is high, more than 60% of heavy metals in the sewage can be transferred to the sludge, the heavy metals such As Cr, Ni, Cu, Zn, Pb, As, Cd, and the like, which are enriched in the sludge, can pollute soil and surface water when being improperly treated, and in addition, the sludge contains a large amount of organic matters, pathogenic microorganisms, and the like which are difficult to degrade, and the sludge is easy to decay and deteriorate after being stacked for a long time and generate foul gas, so how to safely and effectively treat the sludge, the problem of sludge enclosure is solved, and the sludge enclosure becomes a hotspot problem of environmental protection and sustainable.
Patent document CN201710186154.8 (hereinafter referred to as "reference 1") discloses a method for preparing a slow-release phosphate fertilizer using a sludge-based biochar, which includes subjecting conditioned sludge to hydrothermal carbonization to obtain biomass charcoal, and mixing the biomass charcoal with a phosphorus solution to obtain a slow-release phosphate fertilizer using biochar.
However, the following problems still exist in comparison document 1:
1. similar to the comparison document 1, the biomass charcoal formed by hydrothermal carbonization has a common structure and general performance parameters, and cannot be used as an additive of a high-quality carbon-based fertilizer;
2. in the conditioning process, the heavy metal in the sludge is not completely removed, and the subsequently manufactured biomass charcoal still contains heavy metal elements.
Patent document No. CN201710273579.2 (hereinafter referred to as reference 2) discloses a method for preparing sludge activated carbon, which comprises using sludge as a by-product of sewage treatment as a raw material, drying and crushing the sludge, performing a pyrolysis reaction to obtain sludge carbon powder, and adding an activating agent into the sludge carbon powder for activation to change the surface properties and pore structure distribution of the sludge carbon, thereby enhancing the adsorption capacity of the sludge carbon powder.
However, the following problems still exist with reference 2:
1. in the process of activating and changing the surface characteristics and pore structure distribution of the sludge coal by carbonizing the sludge obtained by pyrolysis and carbonization, a chemical activating agent needs to be added, the process is complicated, and the chemical activating agent destroys the structure of the sludge coal, so that the pore diameter is not uniform, and the adsorption effect is influenced.
Patent document No. CN201510527173.3 (hereinafter referred to as reference 3) discloses a method for preparing an adsorption carbon material from organic waste, which realizes joint resource utilization of various organic wastes by using excess sludge from an urban sewage treatment plant mainly containing protein and kitchen waste mainly containing carbohydrate; by adding a plurality of catalytic substances, the crystallinity of the adsorption carbon is optimized, and the adsorption performance of the adsorption carbon on dye is obviously improved.
However, the following problems still exist in comparison document 3:
1. in order to improve the crystallinity of the adsorption carbon, a plurality of catalytic substances are required to be added as activating agents in the process of pyrolysis and carbonization, and the activating agents are used in the process of changing the surface characteristics and the pore structure distribution of the prepared adsorption carbon, so that the regularity of the pore structure is damaged, the pore diameter is not uniform, and the adsorption effect is influenced.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a system of biological modified preparation charcoal of mud, mud after will biological modification combines the biological modified back mud internal structure characteristic of first biological modifier and second biological modifier through the special mode that adds the agricultural discarded object in small, broken bits in the middle of the pyrolysis carbomorphism process to the processing condition preparation of controlling corresponding granulation equipment and carbomorphism equipment obtains the mud base living beings charcoal of a novel structure, it has the hole big, the porosity is high, advantages such as hole rule and specific gravity are light, can regard as biological charcoal base fertilizer, application such as adsorbing material.
The technical solution of the utility model is as follows:
a system for preparing carbon by biological modification of sludge comprises:
the biological sludge treatment system comprises a first biological modifier, a second biological modifier and a third biological modifier, wherein the first biological modifier is provided with a first spiral conveying pipeline for spirally inputting fresh sludge;
the second biological modifier is communicated with the discharge hole of the first biological modifier through a conveying pipeline and receives the sludge treated by the first biological modifier;
the filter pressing device is communicated with a discharge hole of the second biological modifier and is used for filter pressing the sludge output by the second biological modifier to form filter residue and filtrate;
the crushing and granulating device is communicated with a slag outlet of the filter pressing device through a second spiral conveying pipeline, receives filter residues pressed and filtered by the filter pressing device, and is provided with a uniform granulating mechanism at a granulating hole of the granulating material barrel; and
and the carbonizing device is communicated with a discharge port of the crushing and granulating device, is provided with a feeding and spraying mechanism and receives the sludge particles formed by the crushing and granulating device.
As an improvement, a heating jacket is arranged outside the crushing and granulating device, and the heating jacket dries filter residues in the crushing and granulating device.
As an improvement, the heating jacket is communicated with a smoke port on the carbonization device and receives hot smoke discharged by the carbonization device.
As an improvement, the uniform granulation mechanism comprises:
the sealing assemblies are arranged around the outer wall of the granulating barrel, are arranged along the outer wall of the granulating barrel in a sliding manner, and block the granulating holes;
the blowing assemblies are arranged around the inner wall of the granulating barrel, are arranged along the inner wall of the granulating barrel in a sliding manner, and are used for ventilating the granulating holes; and
the linkage assembly is arranged between the sealing assembly and the air blowing assembly and drives the sealing assembly and the air blowing assembly to slide up and down in a staggered manner along the vertical direction.
As an improvement, the seal assembly comprises:
the sealing plate is an arc-shaped metal plate, is abutted against the outer wall of the granulation charging bucket and is in sealing fit with the granulation hole;
the guide shaft is vertically arranged on a bottom plate of the material receiving barrel outside the granulating material barrel, and the sealing plate is sleeved on the guide shaft in a sliding manner; and
and the compression spring is sleeved on the guide shaft and is abutted between the sealing plate and the bottom plate of the receiving barrel.
As an improvement, the air-blowing assembly includes:
the air nozzle is abutted against the inner wall of the granulating material barrel, the lower end part of the air nozzle is sleeved on the air inlet pipe and is in sliding sealing fit with the air inlet pipe, and the lower end part of the air nozzle is provided with a sliding block;
the rotating ring is sleeved on a screw rod of the crushing and granulating device, synchronously rotates along with the screw rod, is abutted against the sliding block and is provided with a convex part; and
the fixing ring is connected with the material receiving barrel and coaxially sleeved outside the rotating ring.
As an improvement, the linkage assembly comprises:
the driving rack is arranged at the bottom of the air nozzle;
the driven rack is arranged at the bottom of the sealing plate; and
and the linkage gear is arranged between the driving rack and the driven rack and is in meshing transmission with the driving rack and the driven rack respectively.
As an improvement, the feeding and spraying mechanism is arranged on the carbonization device and is close to a position communicated with a discharge hole of the crushing and granulating device.
The beneficial effects of the utility model reside in that:
(1) the utility model combines the internal structural characteristics of the biologically modified sludge of the first biological modifier and the second biological modifier in the pyrolysis carbonization process of the biologically modified sludge by adding fine agricultural wastes, and controls the processing conditions of the corresponding granulation equipment and carbonization equipment to prepare the sludge-based biomass charcoal with a novel structure, which has the advantages of large pores, high porosity, regular pores, light specific gravity and the like, and can be used as biological charcoal-based fertilizer, adsorption material and the like;
(2) the utility model discloses utilize seal assembly to seal the granulation hole in the granulation process, utilize the pressure in the granulator to compress the mud that gets into in the granulation hole, make the mud granule particle diameter of granulation out of granulation hole even, simultaneously, utilize the subassembly of blowing to carry out the jet-propelled granulation hole, make mud spout in the granulation hole, avoid the granulation hole to block up;
(3) the feeding and spraying mechanism is arranged at the feeding port of the carbonization device to spray agricultural wastes, so that the coking condition of sludge on the wall of the carbonization furnace is avoided; on the other hand, when the sludge enters the carbonization furnace, the sludge has certain water content and viscosity, so that the agricultural wastes and the sludge are fully bonded, and the sludge-based biomass charcoal with a novel structure, which is formed by combining high-purity biomass charcoal formed by pyrolysis and carbonization of the agricultural wastes and charcoal formed by pyrolysis and carbonization of the sludge, is prepared.
Generally speaking, the utility model discloses the technology is clear, and convenient operation possesses reduce cost condition by a wide margin, high economic benefits, and the facilitate promotion is used, is suitable for extensive application.
Drawings
The invention will be further explained with reference to the drawings:
FIG. 1 is a schematic view of the overall structure of the preparation system of the present invention;
FIG. 2 is a diagram showing the spraying effect of the finely-divided agricultural waste according to the present invention;
FIG. 3 is a schematic view of the sectional structure of the crushing and granulating apparatus of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is a schematic sectional view of the linkage assembly of the present invention;
FIG. 6 is a schematic structural view of the uniform granulation mechanism of the present invention;
fig. 7 is a schematic structural view of the sealing assembly of the present invention;
FIG. 8 is a schematic structural view of the blowing assembly of the present invention;
fig. 9 is a simulation schematic diagram of the sludge-based biomass charcoal with the structure of the utility model.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings.
Example 1:
as shown in fig. 1, fig. 2 and fig. 3, a system for preparing charcoal by biological modification of sludge comprises:
the biological sludge treatment system comprises a first biological reformer 1, wherein a first spiral conveying pipeline 11 for spirally inputting fresh sludge is arranged on the first biological reformer 1;
a second biological modifier 2, wherein the second biological modifier 2 is communicated with the discharge port 12 of the first biological modifier 1 through a conveying pipeline 21 and receives the sludge treated by the first biological modifier 1;
the filter pressing device 3 is communicated with the discharge hole 22 of the second biological modifier 2, and is used for filter pressing the sludge output by the second biological modifier 2 to form filter residue and filtrate;
the crushing and granulating device 4 is communicated with the slag outlet 31 of the filter pressing device 3 through a spiral conveying pipeline 41, receives filter residues pressed and filtered by the filter pressing device 3, and is provided with a uniform granulating mechanism 45 at a granulating hole 441 of a granulating material barrel 44; and
and the carbonizing device 5 is communicated with the discharge port 42 of the crushing and granulating device 4, is provided with a feeding and spraying mechanism 51, and receives the sludge particles formed by the crushing and granulating device 4.
The reaction temperature in the first biological reformer 1 is 20 to 35 ℃, and the reaction environment is an aerobic environment; the reaction temperature of the second biological modifier 2 is 10-35 ℃, and the reaction environment is aerobic.
Adding a first composite flora sludge inoculum into a first biological modifier 1 filled with fresh sludge according to 15-20% of the volume proportion of the fresh sludge, adding a microorganism modified nutrient according to the proportion of 5-7% of the dry matter mass of the sludge, and reacting for 1-2.5h at the temperature of 20-35 ℃ under aerobic conditions; then a second composite flora sludge inoculum is inoculated into a second biological modifier 2 according to 30-40% of the sludge volume proportion, a microorganism growth promoter is added according to the proportion of 2-4% of the sludge dry matter mass, the reaction is carried out for 7-15h under the aerobic condition at 10-35 ℃, the average volume size of the first composite flora and the average volume size of the second composite flora are respectively increased by 5-10 times than that of the protobacteria in the sludge, wherein the first composite flora is composed of bacillus subtilis, pseudomonas aeruginosa, white rot fungi and alteromonas, and the second composite flora is composed of thiobacillus ferrooxidans and thiobacillus thiooxidans;
in the reaction process, in the reaction stage of the first compound flora, the first compound flora provides a suitable production environment for the second compound flora while fully degrading soluble micromolecular organic matters and persistent organic pollutants in the sludge, replaces the raw thalli in the sludge, and increases the average volume size of the thalli in the sludge from 0.5-1 mu m3 to 3-5 mu m3 in the reaction stage; simultaneously, surface active substances capable of promoting sludge dehydration and the growth of the sludge inoculum of the second compound flora are generated; in the second reaction stage, the sludge is subjected to biodegradation, biological wall breaking, biological surface active substance modification, biological oxidation and biological acidification by the second composite flora sludge inoculum so that water in the sludge is released, and the average volume of thalli in the sludge is reduced from 3-5 microns 3 to 2-3 microns 3.
It is further explained that, the utility model discloses a biological modification stage makes the biological metabolism homogeneous dispersion of first compound fungus crowd and second compound fungus crowd in each part of mud, and in follow-up mud pyrolysis carbonization process, the even first compound fungus crowd of dispersion just also is more even with the hole that second compound fungus crowd formed in mud base biomass charcoal inside.
More specifically, the filter pressing device 3 is a diaphragm box filter press, the feeding time is 2 hours, the high-pressure water pressing is 1 hour, the feeding pressure is 0.8MPa, the diaphragm pressing force is 2.0MPa, and the water content of the dehydrated filter residue is 45-50%.
It is worth to be emphasized that the carbonization device 5 is a rotary carbonization furnace, the carbonization temperature is 550-2The porosity in unit volume is 70-85%, and the average pore diameter is 2-5 μm.
As shown in figure 2, a feeding spraying mechanism 51 is arranged at a feed inlet of the carbonization device 5 to spray agricultural wastes, so that the sludge on the wall of the carbonization furnace is prevented from coking; on the other hand, when the sludge enters the carbonization furnace, the sludge has certain water content and viscosity, so that the agricultural wastes are fully bonded with the sludge.
Here, it is emphatically explained that, because the pyrolysis carbonization temperature of agricultural waste is 300-.
As shown in fig. 9, it is further explained that the addition of the agricultural wastes enables the preparation of a sludge-based biomass charcoal with a novel structure in which a high-purity biomass charcoal formed by pyrolysis and carbonization of the agricultural wastes is combined with a charcoal formed by pyrolysis and carbonization of sludge, which has the advantages of light specific gravity, large pores, high porosity, and the like.
In addition, the utility model discloses in the preparation process of mud base living beings charcoal to do not add any polluted environment's chemical agent, what add is thallus and organic matter, and do not produce any harmful material to environmental pollution in mud.
As shown in fig. 3, as a preferred embodiment, the uniform granulation mechanism 45 includes:
a number of sealing assemblies 451, said sealing assemblies 451 being disposed around the outer wall of said prilling bucket 44, being slidably disposed along the outer wall of said prilling bucket 44, and blocking said prilling aperture 441;
a plurality of air blowing assemblies 452 disposed around the inner wall of the granulation tank 44, slidably disposed along the inner wall of the granulation tank 44, and ventilating the granulation holes 451; and
a linkage assembly 453, wherein the linkage assembly 453 is arranged between the sealing assembly 451 and the air blowing assembly 452, and drives the sealing assembly 451 and the air blowing assembly 452 to slide up and down in a staggered manner in the vertical direction.
As shown in fig. 6 and 7, the sealing assembly 451 includes:
the sealing plate 4511 is an arc-shaped metal plate, is abutted against the outer wall of the granulation material barrel 44, and is in sealing fit with the granulation hole 441;
the guide shaft 4512 is vertically arranged on a bottom plate of the material receiving barrel 46 outside the granulating material barrel 44, and the sealing plate 4511 is slidably sleeved on the guide shaft 4512; and
a compression spring 4513, wherein the compression spring 4513 is sleeved on the guide shaft 4512 and is abutted between the bottom plates of the material receiving barrel 46 and the sealing plate 4511.
As shown in fig. 8, further, the air blowing assembly 452 includes:
the air nozzle 4521 is abutted against the inner wall of the granulation barrel 44, the lower end part of the air nozzle 4521 is sleeved on the air inlet pipe 4522 and is in sliding sealing fit with the air inlet pipe 4522, and the lower end part of the air nozzle 4521 is provided with a sliding block 4523;
a rotating ring 4524, wherein the rotating ring 4524 is sleeved on the screw 47 of the crushing and granulating device 4, rotates synchronously with the screw 47, is abutted against the sliding block 4523, and is provided with a convex part 4525;
a fixing ring 4256, wherein the fixing ring 4526 is connected with the receiving barrel 46 and coaxially sleeved outside the rotating ring 4524.
As shown in fig. 4 and 5, the linkage assembly 453 further includes:
the driving rack 4531 is arranged at the bottom of the air nozzle 4521, and the driving rack 4531 is arranged at the bottom of the air nozzle 4521;
a driven rack 4532, the driven rack 4532 being provided at a bottom of the sealing plate 4511; and
and a linkage gear 4533, wherein the linkage gear 4533 is arranged between the driving rack 4531 and the driven rack 4532, and is in meshing transmission with the driving rack 4531 and the driven rack 4532 respectively.
The granulation hole 441 is sealed by the sealing plate 4511, so that the sludge is extruded by the rotation of the screw 47, the sludge is fully filled in the granulation hole 441, the sludge granules formed by the granulation hole 441 can keep the consistency of the granule size, and further, the consistency of the granule size of the formed biomass carbon in the subsequent carbonization process of the sludge granules is ensured, and the uniformity of the pores on the biomass carbon is further improved.
The working process is that the screw 47 rotates to make the sludge entering the granulating barrel 44 enter the granulating holes 441, at this time, the outside of the granulating barrel 44 is sealed by the sealing plate 4511, so that the sludge entering the granulating holes 441 is extruded by the screw of the screw 47 to fill the granulating holes 441, so that the particle size of the granules formed each time is kept consistent, then the screw 47 drives the rotating ring 4524 to rotate, the air nozzle 4521 is lifted by the bulge 4525 on the rotating ring 4524, the air nozzle 4521 is aligned with the granulating holes 441, meanwhile, the driving rack 4531 is lifted along with the air nozzle 4521 to rotate the linkage gear 4533, so that the driven rack 4532 moves downwards to drive the sealing plate 4511 to move downwards, so that the granulating holes 441 leak, the sludge granules in the granulating holes 441 are sprayed by the air flow sprayed by the air nozzle 4521, and the packaged sludge does not block the granulating holes 441.
The screw 47 is driven to rotate by a motor 48 provided at the top of the crushing and granulating apparatus 4.
In a preferred embodiment, a heating jacket 43 is provided outside the crushing and granulating device 4, and the heating jacket 43 dries the filter residue in the crushing and granulating device 4.
Further, the heating jacket 43 is communicated with a flue gas port 53 on the carbonization device 5, and receives high-temperature flue gas discharged from the carbonization device 5.
Furthermore, the average grain diameter of the sludge particles formed by the crushing and granulating device 4 is 1-3 mm.
It is noted that the heating jacket 43 is dried at 120-200 ℃ for 10-30mim, and the water content of the dried sludge particles is less than 30%.
Further explaining, the utility model discloses a drying at the granulation in-process, making the sludge drying, the appearance of fixed mud, later in the pyrolysis carbonization in-process, the temperature reaches 300 + 450 ℃, the carbonization of the inside first complex fungus crowd of mud and the carbonization of second complex fungus crowd to form regular, even hole, and the internal structure of mud base living beings charcoal is stable.
The working process is as follows:
about 10 tons of concentrated sludge containing 5% of solids is taken, and the organic matter content is measured to be 55%, and the pH value is 7.6. Adding the modified sludge into a first biological modifier 1 for modification, adding a first composite flora sludge inoculum into a biological modification reactor filled with fresh sludge according to 15-20% of the volume proportion of the fresh sludge, adding a microbial modified nutrient according to the proportion of 5-7% of the dry matter mass of the sludge, and reacting for 1-2.5 hours at the temperature of 20-35 ℃ under aerobic conditions; then, a second composite flora sludge inoculum is inoculated into a biological second biological modifier 2 according to 30-40% of the volume proportion of the sludge, a microorganism growth promoter is added according to the proportion of 2-4% of the mass of dry matter of the sludge, and the mixture reacts for 7-15 hours at the temperature of 10-35 ℃ under the aerobic condition; the sludge after biological modification is pressed for 1 hour by high pressure water through a filter pressing device 3 to form filter residue and filtrate, wherein the feeding time of the filter pressing device 3 is 2 hours, the feeding pressure is 0.8MPa, the diaphragm pressing force is 2.0MPa, the water content of a dewatered sludge cake is 47 percent, the filter residue obtained after filter pressing and dewatering is input into a crushing and granulating device 4 through a second spiral conveying pipeline 41, sludge particles with the average diameter of 1-3mm are obtained after physical crushing and granulation, in the granulating process, the sludge is synchronously dried, the drying temperature is 120-, under the conditions that the carbonization furnace is in an oxygen deficiency or anaerobic state, the carbonization temperature is 575-600 ℃, and the carbonization time is 0.5-1.25h, the sludge biochar is obtained; then the sludge biochar can be mixed with inorganic fertilizer to form carbon-based fertilizer which can also be used as raw material of adsorption material, meanwhile, the filtrate in the filter pressing device 3 is input into a sewage processor, heavy metal ions in the filtrate are adsorbed by ion exchange resin, and then the filtrate is discharged.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. A system for preparing carbon by biological modification of sludge is characterized by comprising:
the biological sludge treatment system comprises a first biological modifier (1), wherein a first spiral conveying pipeline (11) for spirally inputting fresh sludge is arranged on the first biological modifier (1);
the second biological modifier (2), the second biological modifier (2) is communicated with the discharge hole (12) of the first biological modifier (1) through a conveying pipeline (21), and receives the sludge treated by the first biological modifier (1);
the filter pressing device (3) is communicated with a discharge hole (22) of the second biological modifier (2), and is used for filter pressing the sludge output by the second biological modifier (2) to form filter residue and filtrate;
the crushing and granulating device (4), the crushing and granulating device (4) is communicated with a slag outlet (31) of the filter pressing device (3) through a second spiral conveying pipeline (41), the crushing and granulating device receives filter residues pressed and filtered by the filter pressing device (3), and a uniform granulating mechanism (45) is arranged at a granulating hole (441) of a granulating material barrel (44); and
the carbonization device (5) is communicated with a discharge hole (42) of the crushing and granulating device (4), a feeding and spraying mechanism (51) is arranged on the carbonization device (5), and the carbonization device (5) receives the sludge particles formed by the crushing and granulating device (4).
2. The system for preparing carbon through biological modification of sludge according to claim 1, characterized in that a heating jacket (43) is arranged outside the crushing and granulating device (4), and the heating jacket (43) dries filter residue in the crushing and granulating device (4).
3. The system for preparing carbon by biological modification of sludge as claimed in claim 2, wherein the heating jacket (43) is communicated with a flue gas port (53) on the carbonization device (5) and receives hot flue gas discharged from the carbonization device (5).
4. The system for preparing carbon by biological modification of sludge according to claim 1, wherein the uniform granulation mechanism (45) comprises:
a number of sealing assemblies (451), a number of said sealing assemblies (451) being arranged around the outer wall of said prilling bucket (44), being slidingly arranged along the outer wall of said prilling bucket (44), and blocking said prilling aperture (441);
a plurality of air blowing assemblies (452) disposed around an inner wall of the granulation tank (44), slidably disposed along the inner wall of the granulation tank (44), and which ventilate the granulation holes (441); and
the linkage assembly (453) is arranged between the sealing assembly (451) and the air blowing assembly (452), and the linkage assembly (453) drives the sealing assembly (451) and the air blowing assembly (452) to slide up and down in a staggered mode in the vertical direction.
5. The system for the biological modification of sludge to produce charcoal as claimed in claim 4, wherein the sealing assembly (451) comprises:
the sealing plate (4511) is an arc-shaped metal plate, is abutted against the outer wall of the granulating material barrel (44), and is in sealing fit with the granulating hole (441);
the guide shaft (4512), the guide shaft (4512) is vertically arranged on the bottom plate of the receiving barrel (46) outside the granulating barrel (44), and the sealing plate (4511) is slidably sleeved on the guide shaft (4512); and
and the compression spring (4513) is sleeved on the guide shaft (4512) and abutted between the sealing plate (4511) and the bottom plate of the receiving barrel (46).
6. The system for preparing carbon by biological modification of sludge as claimed in claim 5, wherein the air blowing assembly (452) comprises:
the air nozzle (4521) is abutted against the inner wall of the granulating material barrel (44), the lower end part of the air nozzle (4521) is sleeved on the air inlet pipe (4522) and is in sliding sealing fit with the air inlet pipe (4522), and the lower end part of the air nozzle (4521) is provided with a sliding block (4523);
the rotating ring (4524) is sleeved on a screw (47) of the crushing and granulating device (4), rotates synchronously with the screw (47), is abutted against the sliding block (4523), and is provided with a bulge (4525); and
the fixing ring (4526), the fixing ring (4526) is connected with the receiving barrel (46), and the fixing ring (4526) is coaxially sleeved outside the rotating ring (4524).
7. The system for the biological modification of sludge to produce charcoal as claimed in claim 6, wherein said linkage assembly (453) comprises:
the active rack (4531), the active rack (4531) is arranged at the bottom of the air nozzle (4521);
a driven rack (4532), the driven rack (4532) being provided at a bottom of the sealing plate (4511); and
the linkage gear (4533) is arranged between the driving rack (4531) and the driven rack (4532), and is in meshing transmission with the driving rack (4531) and the driven rack (4532).
8. The system for preparing carbon through biological modification of sludge according to claim 1, wherein the feeding and spraying mechanism (51) is arranged on the carbonization device (5) near a position communicated with the discharge hole (42) of the crushing and granulating device (4).
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|---|---|---|---|
| CN201920525783.3U CN210367387U (en) | 2019-04-18 | 2019-04-18 | System for biological modification preparation charcoal of mud |
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| CN201920525783.3U CN210367387U (en) | 2019-04-18 | 2019-04-18 | System for biological modification preparation charcoal of mud |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942163A (en) * | 2019-04-18 | 2019-06-28 | 长兴瑷晟环保科技有限公司 | A kind of modified method and system for preparing charcoal of sludge organism |
| CN111760550A (en) * | 2020-06-24 | 2020-10-13 | 生态环境部南京环境科学研究所 | Device and method for preparing porous active biochar adsorbing material |
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2019
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942163A (en) * | 2019-04-18 | 2019-06-28 | 长兴瑷晟环保科技有限公司 | A kind of modified method and system for preparing charcoal of sludge organism |
| CN109942163B (en) * | 2019-04-18 | 2024-04-02 | 长兴瑷晟环保科技有限公司 | Method and system for preparing carbon by biological modification of sludge |
| CN111760550A (en) * | 2020-06-24 | 2020-10-13 | 生态环境部南京环境科学研究所 | Device and method for preparing porous active biochar adsorbing material |
| CN111760550B (en) * | 2020-06-24 | 2022-04-08 | 生态环境部南京环境科学研究所 | Device and method for preparing porous active biochar adsorbing material |
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