CN210481184U - Biomass modification system for sludge dewatering - Google Patents
Biomass modification system for sludge dewatering Download PDFInfo
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- CN210481184U CN210481184U CN201921060873.6U CN201921060873U CN210481184U CN 210481184 U CN210481184 U CN 210481184U CN 201921060873 U CN201921060873 U CN 201921060873U CN 210481184 U CN210481184 U CN 210481184U
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Abstract
The biomass modification system for sludge dewatering comprises a rack, wherein the rack is sequentially provided with a crushing mechanism, a screening mechanism and a modification mechanism from top to bottom, and a blending mechanism positioned on one side of the rack is arranged below the modification mechanism; the bottom discharge port of the crushing mechanism is connected with the top feed port of the screening mechanism, the coarse material discharge port of the bottom of the screening mechanism is connected with the feed port of the top of the modifying mechanism, the fine material discharge port of the side part of the screening mechanism is connected with a collecting bin, and the discharge port of the bottom of the modifying mechanism is connected with the feed port of the top of the mixing mechanism. The utility model discloses modified treatment's living beings and mud mixing can reduce the sludge treatment cost, and simple process can improve the calorific value of sludge dewatering performance and mud cake, can rationally effectively utilize biomass resources.
Description
Technical Field
The utility model relates to a sludge treatment technical field, specific theory relates to a living beings modification system for sludge dewatering.
Background
At present, a treatment mode frequently used by a sewage treatment plant is to perform shallow layer treatment on sludge by using a plate-and-frame filter press, a centrifugal dehydrator or a belt filter press through physical modes such as extrusion or centrifugation, and the sludge treated by the process basically cannot meet increasingly strict sludge treatment standards in China.
Electroosmosis technology has been applied to a small range of sludge dewatering processes as an efficient sludge dewatering technology. However, the conventional electro-osmosis technology also has disadvantages that limit its application, such as: when only the electroosmosis technology is used for dehydration, the anode drying is easily caused, the sludge dehydration efficiency is reduced, and the water content of the dehydrated sludge cake can not meet the requirement; sludge dewatering agents are usually required to be added, the most commonly used sludge dewatering agent at present is Cationic Polyacrylamide (CPAM), although CPAM has a good sludge dewatering effect, the defect that the CPAM is used as a sludge dewatering agent in a large amount is increasingly shown, the CPAM is difficult to degrade under natural conditions and causes secondary pollution to the environment, and a large amount of organic solvents such as surfactants and the like used in the CPAM synthesis process also cause pollution to the environment and increase the sludge treatment cost.
The dehydrated sludge cake has low heat value and can not be directly used as fuel for combustion, the prior art mostly mixes the sludge cake with coal or other combustion promoters and then combusts, and the process is complex.
According to statistics of renewable energy long-term development planning in China, biomass resources in China are rich, but a reasonable and effective utilization way is lacked, so that not only is the resource waste caused, but also the environment is easily polluted.
In order to solve the above problems, people are always seeking an ideal technical solution.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a living beings system of modifying for sludge dewatering, the utility model discloses modified treatment's living beings and mud mixing can reduce the sludge treatment cost, and simple process can improve the calorific value of sludge dewatering performance and mud cake, can rationally effectively utilize biomass resources.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the biomass modification system for sludge dewatering comprises a rack, wherein the rack is sequentially provided with a crushing mechanism, a screening mechanism and a modification mechanism from top to bottom, and a blending mechanism positioned on one side of the rack is arranged below the modification mechanism; the bottom discharge port of the crushing mechanism is connected with the top feed port of the screening mechanism, the coarse material discharge port of the bottom of the screening mechanism is connected with the feed port of the top of the modifying mechanism, the fine material discharge port of the side part of the screening mechanism is connected with a collecting bin, and the discharge port of the bottom of the modifying mechanism is connected with the feed port of the top of the mixing mechanism.
The crushing mechanism comprises a feeding funnel, a crushing bin, a crushing cutter shaft and a crushing speed reducing motor, wherein the top and the bottom of the feeding funnel are open, the bottom of the feeding funnel is fixedly installed at the top of the crushing bin and communicated with the crushing bin, the crushing bin is fixedly installed on a rack, the crushing cutter shaft is horizontally arranged in the crushing bin along the front-back direction, two shaft ends of the crushing cutter shaft are rotatably installed on the front side wall and the rear side wall of the crushing bin, the crushing speed reducing motor is fixedly installed at the rear side of the crushing bin, a power shaft of the crushing speed reducing motor is in transmission connection with the crushing cutter shaft, a plurality of crushing blades are uniformly installed on the circumferential surface of the crushing cutter shaft along the front-back direction, the bottom of the right side wall of the crushing bin is connected with a circulating suction pipe, an upper end pipe orifice of the circulating;
the interior of the feeding funnel is of a multi-stage stepped structure with a large upper part and a small lower part.
The screening mechanism comprises a storage bin, a first screen, a second screen and an air blower, wherein the storage bin and a collection bin are horizontally and fixedly arranged on a rack below the crushing bin along the left-right direction, the top and the right side of the storage bin and the left side of the collection bin are both open, the bottom of the crushing bin is fixedly arranged at the top of the storage bin and communicated with the storage bin, the first screen is fixedly arranged at a blanking port at the bottom of the crushing bin, the joint of a circulating suction pipe and the right side wall of the crushing bin is positioned above the first screen, the left end of the collection bin is fixedly connected at the right end of the storage bin and communicated with the storage bin, the second screen is fixedly arranged at the right end port of the storage bin, the mesh number of the first screen is smaller than that of the second screen, a window is arranged at the left end of the storage bin, the air blower is arranged on the right side of the window, the central rotating shaft of, the bottom of the storage bin is obliquely arranged in a high-right-low mode, a first discharge port is formed in the right side portion of the bottom of the storage bin, a first closed cover is mounted on the first discharge port, a second discharge port is formed in the right side portion of the bottom of the collection bin, and a second closed cover is mounted on the second discharge port;
the storage silo is the semi-cylindrical structure, and first screen cloth is the rectangle structure, and the size of first screen cloth is the same with the up end mouth size of storage silo, and the second screen cloth is semi-circular structure, and the size of second screen cloth is the same with the right-hand member mouth size of storage silo.
The modification mechanism comprises a modification tank, a dryer, a first stirring shaft, a first stirring speed reducing motor and a moisture content determinator, wherein the modification tank is horizontally arranged along the left-right direction, the modification tank is fixedly arranged on a rack below the storage bin, a liquid filling opening is formed in the left side part of the top of the modification tank, a first feed opening which is correspondingly connected with a first discharge opening up and down is formed in the right side part of the top of the modification tank, the dryer is arranged at the bottom of the modification tank, the first stirring shaft is horizontally arranged in the modification tank along the left-right direction, two shaft ends of the first stirring shaft are rotatably arranged on the left side wall and the right side wall of the modification tank, the circumferential surface of the first stirring shaft is uniformly arranged on a plurality of first stirring blades along the left-right direction, the first stirring speed reducing motor is fixedly arranged on the right side of the modification tank, a power shaft of the first stirring, the size of each first stirring blade reduces from left to right in proper order, and the leakage fluid dram that has the function of opening and close is seted up to the left side wall bottom in modified pond, is provided with the one deck filter cloth on the leakage fluid dram, and the third discharge gate has been seted up to the bottom left side portion in modified pond, installs third closing cap on the third discharge gate, is provided with the moisture content probe in the modified pond, and the moisture content probe passes through the wire with the moisture content apparatus and is connected.
Mixing mechanism includes the mixing pond, second (mixing) shaft and second stirring gear motor, mud import and second feed inlet have been seted up at the top in mixing pond, the mixing pond sets up the left side below in the modified pond along the fore-and-aft direction level, the third discharge gate is located the second feed inlet directly over, the second (mixing) shaft sets up in the mixing pond along the fore-and-aft direction level, the diaxon end rotation of second (mixing) shaft is installed on the wall of the front and back both sides in mixing pond, second stirring gear motor fixed mounting is in the rear side in mixing pond, second stirring gear motor's power shaft and second (mixing) shaft transmission are connected, evenly install a plurality of second stirring vane along the fore-and-aft direction on the periphery of second (mixing).
By adopting the technical scheme, the working method of the biomass modification system for sludge dewatering comprises the following steps:
(1) and crushing the biomass: starting a crushing speed reduction motor and a suction fan, putting primarily treated biomass into a feeding hopper, wherein the biomass is wood chips, crop straws, peanut shells, rice chaff, bagasse, fruit shells, fruit pits, tree barks or tree branches, the biomass enters a crushing bin, the crushing speed reduction motor drives a crushing cutter shaft to rotate, the crushing cutter blade rotates to crush the biomass, part of crushed biomass has a particle size larger than the aperture of a first screen, the part of biomass is retained on the first screen, the suction fan sucks the part of biomass from the bottom of the crushing bin to a feeding port at the top of the feeding hopper through a circulating suction pipe, puts the part of biomass into the feeding hopper again, and then enters the crushing bin again to be crushed, and the process is repeated until the biomass is fully crushed and falls into a storage bin through the first screen;
(2) screening the crushed biomass: starting an air blower, wherein the particle size of the crushed biomass is smaller than the aperture of the first screen, and the crushed biomass falls into the storage bin through the first screen under the action of oscillation and gravity, and the air blower blows the biomass with the particle size smaller than the aperture of the second screen into the collection bin, so that the crushed biomass is secondarily screened by the second screen, and the biomass remained in the storage bin is the biomass meeting the particle size requirement;
(3) modifying the screened biomass with qualified particle size: after a certain amount of biomass with qualified particle size is accumulated in the storage bin, closing the crushing speed reduction motor, the suction fan and the blower, opening a first closed cover on a first discharge port at the bottom of the storage bin, dropping the biomass with qualified particle size into a modification tank through the first discharge port and a first feed port, adding a certain amount of modification solution into the modification tank through a liquid adding port, wherein the modification solution is hydrochloric acid, a sodium hydroxide solution, a ferric trichloride solution, a ferric nitrate solution, a ferric sulfate solution, a ferrous sulfate solution, an aluminum nitrate solution, an aluminum chloride solution or an aluminum oxide solution with certain concentration, soaking the biomass in the modification solution for 6-8 hours, then opening a liquid discharging port, discharging the modification solution through the liquid discharging port, and blocking and retaining the crushed biomass in the modification tank due to the fact that a layer of filter cloth is arranged on the liquid discharging;
(4) and drying the modified biomass: starting a dryer, a first stirring speed-reducing motor and a moisture content tester, heating and drying biomass in a modification tank by the dryer, driving a first stirring shaft to rotate by the first stirring speed-reducing motor, rotating and rolling the biomass by a first stirring blade to accelerate the drying of the modified biomass, measuring the moisture content of the modified biomass in real time by the moisture content tester, and closing the dryer and the moisture content tester when the moisture content is 60 +/-5%;
(5) the modified biomass and the sludge are uniformly mixed, and preparation is made for electroosmosis dehydration: then open the third discharge gate of modified bottom of the pool portion, modified living beings are from the modified pond of third discharge gate discharge under first stirring vane's rotation effect, modified living beings drop to the mixing pond through the second feed inlet in, mud enters into the mixing pond through the mud import, start second stirring gear motor, second stirring gear motor drives the second (mixing) shaft and rotates, the rotatory abundant mixing of living beings and mud that will modify of second stirring vane, mud after the mixing alright dewater through the electroosmosis device.
Compared with the prior art, the utility model has outstanding substantive characteristics and obvious progress, in particular to the utility model, the crushing mechanism can sufficiently crush biomass circulation, the crushed biomass drops into the storage bin through the first screen mesh, the blower blows the biomass with the grain diameter smaller than the mesh number of the second screen mesh into the collection bin, the small-grain diameter biomass in the collection bin can be directly used as livestock feed, fuel and the like, and the utilization efficiency of the biomass is effectively improved; the biomass retained in the storage bin is biomass meeting the requirement of particle size, then the biomass in the storage bin is discharged into a modification tank for modification treatment, the modified biomass is directly used as a sludge dehydrating agent to be uniformly mixed with sludge in a mixing tank without further treatment, the modified biomass has huge specific surface area and can absorb moisture in the sludge, sludge particles are adsorbed on the surface of the modified biomass, gaps among the sludge particles are enlarged, and therefore the dehydration performance of the sludge is improved, and oxygen-containing groups on the surface of the biomass can replace calcium and magnesium ions in sludge microbial cells to cause unbalance of chemical environment in cells, EPS is cracked, water molecules contained in polymers are released, and the water content of the sludge is further reduced; furthermore, the dehydrated sludge cake has higher heat value and can be used as fuel after simple treatment, thereby increasing the economic income of sewage treatment plants; therefore, the modified biomass replaces a sludge dehydrating agent to be uniformly mixed with the sludge, so that the cost of sludge dehydration is reduced, the secondary pollution of the sludge is avoided, the problem of environmental pollution caused by the biomass is solved, a reasonable and effective utilization way is provided for surplus biomass, the modified biomass has higher economic value, and the modified biomass is suitable for general popularization.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a plan view of the present invention.
Fig. 3 is a left side view of the present invention.
Fig. 4 is a schematic structural view of the crushing cutter shaft and the crushing blades of the present invention.
Fig. 5 is a schematic diagram of the position arrangement of the first and second screens of the present invention.
Fig. 6 is a top view of a first screen of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the drawings.
As shown in fig. 1-6, the biomass modification system for sludge dewatering comprises a frame 1, wherein the frame 1 is sequentially provided with a crushing mechanism, a screening mechanism and a modification mechanism from top to bottom, and a blending mechanism located on one side of the frame 1 is arranged below the modification mechanism; the bottom discharge port of the crushing mechanism is connected with the top feed inlet of the screening mechanism, the coarse material discharge port of the bottom of the screening mechanism is connected with the feed inlet of the top of the modification mechanism, the fine material discharge port of the side part of the screening mechanism is connected with the collection bin 12, and the discharge port of the bottom of the modification mechanism is connected with the feed inlet of the top of the blending mechanism.
The biomass subjected to primary treatment is fully crushed by the crushing mechanism and falls to the screening mechanism, the crushed biomass is screened by the screening mechanism, the biomass with qualified particle size enters the modification mechanism, solution for modification is added into the modification mechanism to modify the biomass, the modified biomass is discharged from the modification mechanism and enters the blending mechanism, sludge is added into the blending mechanism, and the blending mechanism fully mixes and stirs the sludge and the modified biomass.
The crushing mechanism comprises a feeding funnel 2, a crushing bin 3, a crushing cutter shaft 4 and a crushing speed reducing motor, wherein the top and the bottom of the feeding funnel 2 are open, the bottom of the feeding funnel 2 is fixedly arranged at the top of the crushing bin 3 and is communicated with the crushing bin 3, the crushing bin 3 is fixedly arranged on a frame 1, the crushing cutter shaft 4 is horizontally arranged in the crushing bin 3 along the front-back direction, two shaft ends of the crushing cutter shaft 4 are rotatably arranged on the front side wall and the rear side wall of the crushing bin 3, the crushing speed reducing motor is fixedly arranged at the rear side of the crushing bin 3, a power shaft of the crushing speed reducing motor is in transmission connection with the crushing cutter shaft 4, a plurality of crushing blades 5 are uniformly arranged on the circumferential surface of the crushing cutter shaft 4 along the front-back direction, the bottom of the right side wall of the crushing bin 3 is connected with a circulating suction pipe 6, the upper end, a suction fan 7 is arranged on the circulating suction pipe 6;
the interior of the feeding funnel 2 is of a multi-stage stepped structure with a large upper part and a small lower part.
The screening mechanism comprises a storage bin 8, a first screen 9, a second screen 10 and an air blower 11, wherein the storage bin 8 and a collection bin 12 are horizontally and fixedly arranged on a rack 1 below a crushing bin 3 along the left-right direction, the top and the right side of the storage bin 8 and the left side of the collection bin 12 are both open, the bottom of the crushing bin 3 is fixedly arranged at the top of the storage bin 8 and communicated with the storage bin 8, the first screen 9 is fixedly arranged at a bottom blanking port of the crushing bin 3, the joint of a circulating suction pipe 6 and the right side wall of the crushing bin 3 is positioned above the first screen 9, the left end of the collection bin 12 is fixedly connected at the right end of the storage bin 8 and communicated with the storage bin 8, the second screen 10 is fixedly arranged at the right port of the storage bin 8, the mesh number of the first screen 9 is smaller than that of the second screen 10, the left end of the collection bin 8 is provided with a window, and the air, a central rotating shaft of the air blower 11 is superposed with the central line of the second screen 10 and is horizontally arranged along the left-right direction, the bottom of the storage bin 8 is obliquely arranged in a left-high and right-low manner, a first discharge hole 13 is formed in the right side part of the bottom of the storage bin 8, and a first closing cover 26 is arranged on the first discharge hole 13; a second discharge hole 14 is formed in the right side of the bottom of the collection bin 12, and a second closing cover 27 is mounted on the second discharge hole 14;
the storage silo 8 is the half cylinder structure, and first screen cloth 9 is the rectangle structure, and the size of first screen cloth 9 is the same with the up end mouth size of storage silo 8, and second screen cloth 10 is the semi-circular structure, and the size of second screen cloth 10 is the same with the right-hand member mouth size of storage silo 8.
The modification mechanism comprises a modification tank 15, a dryer 16, a first stirring shaft 17, a first stirring speed reducing motor and a water content determinator, wherein the modification tank 15 is horizontally arranged along the left-right direction, the modification tank 15 is fixedly arranged on the machine frame 1 below the storage bin 8, the left side part of the top of the modification tank 15 is provided with a liquid filling opening 18, the right side part of the top of the modification tank 15 is provided with a first feeding opening which is vertically and correspondingly connected with a first discharging opening 13, the dryer 16 is arranged at the bottom of the modification tank 15, the first stirring shaft 17 is horizontally arranged in the modification tank 15 along the left-right direction, two shaft ends of the first stirring shaft 17 are rotatably arranged on the left side wall and the right side wall of the modification tank 15, the circumferential surface of the first stirring shaft 17 is uniformly arranged on a plurality of first stirring blades 19 along the left-right direction, the first stirring speed reducing motor is fixedly arranged at the right side of the modification tank, the bottom inner surface of the modification pond 15 is obliquely arranged from left to right, the size of each first stirring blade 19 is reduced from left to right in sequence, a liquid discharge port 20 with an opening and closing function is formed in the bottom of the left side wall of the modification pond 15, a layer of filter cloth is arranged on the liquid discharge port 20, a third discharge port 21 is formed in the left side of the bottom of the modification pond 15, a third closed cover 28 is installed on the third discharge port 21, a water content probe is arranged in the modification pond 15, and the water content probe is connected with a water content tester through a wire.
The mixing mechanism includes mixing tank 22, second (mixing) shaft 23 and second stirring gear motor 24, mud import and second feed inlet have been seted up at mixing tank 22's top, mixing tank 22 sets up in the left side below of modified pond 15 along the direction level of the front and back, third discharge gate 21 is located directly over the second feed inlet, second (mixing) shaft 23 sets up in mixing tank 22 along the direction level of the front and back, the diaxon end of second (mixing) shaft 23 rotates and installs on mixing tank 22's preceding back both sides wall, second stirring gear motor 24 fixed mounting is in mixing tank 22's rear side, second stirring gear motor 24's power shaft and second (mixing) shaft 23 transmission are connected, evenly install a plurality of second stirring vane 25 along the fore-and-aft direction on second (mixing) shaft 23's the periphery.
The crushing gear motor, the first stirring gear motor, the moisture content tester and the moisture content probe are all conventional components, which are not shown in the figure.
By adopting the technical scheme, the working method of the biomass modification system for sludge dewatering comprises the following steps:
(1) and crushing the biomass: starting a crushing speed reduction motor and a suction fan 7, putting primarily processed biomass into a feeding hopper 2, wherein the biomass is wood chips, crop straws, peanut shells, rice chaff, bagasse, fruit shells, fruit pits, tree barks or tree branches, the biomass enters a crushing bin 3, the crushing speed reduction motor drives a crushing cutter shaft 4 to rotate, a crushing blade 5 rotates to crush the biomass, part of crushed biomass has a particle size larger than that of a first screen 9, the part of biomass is retained on the first screen 9, the suction fan 7 sucks the part of biomass from the bottom of the crushing bin 3 to a feeding port at the top of the feeding hopper 2 through a circulating suction pipe 6, puts the part of biomass into the feeding hopper 2 again, and then enters the crushing bin 3 again to be crushed, and the process is circulated until the biomass is fully crushed and all falls into a storage bin 8 through the first screen 9;
(2) screening the crushed biomass: the particle size of the crushed biomass is smaller than the aperture of the first screen 9, and the crushed biomass falls into the storage bin 8 through the first screen 9 under the action of oscillation and gravity, the blower 11 is started, the blower 11 blows the biomass with the particle size smaller than the aperture of the second screen 10 into the collecting bin 12, and thus the crushed biomass is secondarily screened by the second screen 10, and the biomass remaining in the storage bin 8 is the biomass meeting the particle size requirement;
(3) modifying the screened biomass with qualified particle size: after a certain amount of biomass with qualified particle size is accumulated in the storage bin 8, the crushing speed reduction motor, the suction fan 7 and the blower 11 are closed, the first closed cover on the first discharge hole 13 at the bottom of the storage bin 8 is opened, the biomass with qualified particle size falls into the modification tank 15 through the first discharge hole 13 and the first feed hole, a certain amount of modification solution is added into the modification tank 15 through the liquid adding hole 18, the modification solution is hydrochloric acid, a sodium hydroxide solution, a ferric trichloride solution, a ferric nitrate solution, a ferric sulfate solution, a ferrous sulfate solution, an aluminum nitrate solution, an aluminum chloride solution or an aluminum oxide solution with certain concentration, for example, the modification solution is 0.04g/ml of ferric trichloride solution, the biomass is soaked in the modification solution for 6-8 hours, then the liquid discharge hole 20 is opened, the modification solution is discharged through the liquid discharge hole 20, and a layer of filter cloth is arranged on the liquid discharge, the crushed biomass is blocked and retained in the modification tank 15;
(4) and drying the modified biomass: starting a dryer 16, a first stirring speed-reducing motor and a moisture content tester, heating and drying the biomass in the modification tank 15 by the dryer 16, driving a first stirring shaft 17 to rotate by the first stirring speed-reducing motor, rotating and rolling the biomass by a first stirring blade 19 to accelerate the drying of the modified biomass, measuring the moisture content of the modified biomass in real time by the moisture content tester, and closing the dryer 16 and the moisture content tester when the moisture content is 60% +/-5%;
(5) the modified biomass and the sludge are uniformly mixed, and preparation is made for electroosmosis dehydration: then open the third discharge gate 21 of modified pond 15 bottom, modified living beings are from third discharge gate 21 discharge modified pond 15 under first stirring vane 19's rotation effect, modified living beings drop to mixing pond 22 through the second feed inlet in, mud enters into mixing pond 22 through the mud import, start second stirring gear motor 24, second stirring gear motor 24 drives second (mixing) shaft 23 and rotates, second stirring vane 25 is rotatory with the abundant mixing of modified living beings and mud, mud after the mixing alright dewater through the electroosmosis device.
The utility model discloses a rubbing crusher constructs can fully smash the biological cycle, and the living beings after smashing drop to storage silo 8 through first screen cloth 9 in, and air-blower 11 blows in the living beings that the particle size is less than second screen cloth 10 mesh number in collecting bin 12, and the small-particle size living beings in collecting bin 12 can directly be used as livestock fodder, fuel etc. has effectively improved the utilization efficiency of living beings; the biomass left in the storage bin 8 is biomass meeting the requirement of particle size, then the biomass in the storage bin 8 is discharged into the modification tank 15 for modification treatment, the modified biomass is not required to be further treated and is directly used as a sludge dehydrating agent to be uniformly mixed with sludge in the mixing tank 22, the modified biomass has a huge specific surface area and can absorb moisture in the sludge, sludge particles are adsorbed on the surface of the modified biomass, gaps among the sludge particles are increased, so that the dehydration performance of the sludge is improved, and oxygen-containing groups on the surface of the biomass can replace calcium and magnesium ions in sludge microbial cells to cause unbalance of chemical environment in cells, EPS is broken, water content of water molecules contained in polymers is released, and the water content of the sludge is further reduced; furthermore, the dehydrated sludge cake has higher heat value and can be used as fuel after simple treatment, thereby increasing the economic income of sewage treatment plants; therefore, the modified biomass replaces a sludge dehydrating agent to be uniformly mixed with the sludge, so that the cost of sludge dehydration is reduced, the secondary pollution of the sludge is avoided, the problem of environmental pollution caused by the biomass is solved, a reasonable and effective utilization way is provided for surplus biomass, the modified biomass has higher economic value, and the modified biomass is suitable for general popularization.
The above embodiments are only used for illustrating but not limiting the technical solution of the present invention, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that; the present invention may be modified or substituted with equivalents without departing from the spirit and scope of the invention, which should be construed as being limited only by the claims.
Claims (5)
1. A living beings modification system for sludge dewatering which characterized in that: the device comprises a rack, wherein the rack is sequentially provided with a crushing mechanism, a screening mechanism and a modification mechanism from top to bottom, and a blending mechanism positioned on one side of the rack is arranged below the modification mechanism; the bottom discharge port of the crushing mechanism is connected with the top feed port of the screening mechanism, the coarse material discharge port of the bottom of the screening mechanism is connected with the feed port of the top of the modifying mechanism, the fine material discharge port of the side part of the screening mechanism is connected with a collecting bin, and the discharge port of the bottom of the modifying mechanism is connected with the feed port of the top of the mixing mechanism.
2. The biomass modification system for sludge dewatering of claim 1, wherein: the crushing mechanism comprises a feeding funnel, a crushing bin, a crushing cutter shaft and a crushing speed reducing motor, wherein the top and the bottom of the feeding funnel are open, the bottom of the feeding funnel is fixedly installed at the top of the crushing bin and communicated with the crushing bin, the crushing bin is fixedly installed on a rack, the crushing cutter shaft is horizontally arranged in the crushing bin along the front-back direction, two shaft ends of the crushing cutter shaft are rotatably installed on the front side wall and the rear side wall of the crushing bin, the crushing speed reducing motor is fixedly installed at the rear side of the crushing bin, a power shaft of the crushing speed reducing motor is in transmission connection with the crushing cutter shaft, a plurality of crushing blades are uniformly installed on the circumferential surface of the crushing cutter shaft along the front-back direction, the bottom of the right side wall of the crushing bin is connected with a circulating suction pipe, an upper end pipe orifice of the circulating;
the interior of the feeding funnel is of a multi-stage stepped structure with a large upper part and a small lower part.
3. The biomass modification system for sludge dewatering of claim 2, wherein: the screening mechanism comprises a storage bin, a first screen, a second screen and an air blower, wherein the storage bin and a collection bin are horizontally and fixedly arranged on a rack below the crushing bin along the left-right direction, the top and the right side of the storage bin and the left side of the collection bin are both open, the bottom of the crushing bin is fixedly arranged at the top of the storage bin and communicated with the storage bin, the first screen is fixedly arranged at a blanking port at the bottom of the crushing bin, the joint of a circulating suction pipe and the right side wall of the crushing bin is positioned above the first screen, the left end of the collection bin is fixedly connected at the right end of the storage bin and communicated with the storage bin, the second screen is fixedly arranged at the right end port of the storage bin, the mesh number of the first screen is smaller than that of the second screen, a window is arranged at the left end of the storage bin, the air blower is arranged on the right side of the window, the central rotating shaft of, the bottom of the storage bin is obliquely arranged in a high-right and low-left mode, a first discharge hole is formed in the right side portion of the bottom of the storage bin, and a first closed cover is mounted on the first discharge hole; a second discharge hole is formed in the right side of the bottom of the collection bin, and a second closed cover is mounted on the second discharge hole;
the storage silo is the semi-cylindrical structure, and first screen cloth is the rectangle structure, and the size of first screen cloth is the same with the up end mouth size of storage silo, and the second screen cloth is semi-circular structure, and the size of second screen cloth is the same with the right-hand member mouth size of storage silo.
4. The biomass modification system for sludge dewatering of claim 3, wherein: the modification mechanism comprises a modification tank, a dryer, a first stirring shaft, a first stirring speed reducing motor and a moisture content determinator, wherein the modification tank is horizontally arranged along the left-right direction, the modification tank is fixedly arranged on a rack below the storage bin, a liquid filling opening is formed in the left side part of the top of the modification tank, a first feed opening which is correspondingly connected with a first discharge opening up and down is formed in the right side part of the top of the modification tank, the dryer is arranged at the bottom of the modification tank, the first stirring shaft is horizontally arranged in the modification tank along the left-right direction, two shaft ends of the first stirring shaft are rotatably arranged on the left side wall and the right side wall of the modification tank, the circumferential surface of the first stirring shaft is uniformly arranged on a plurality of first stirring blades along the left-right direction, the first stirring speed reducing motor is fixedly arranged on the right side of the modification tank, a power shaft of the first stirring, the size of each first stirring blade reduces from left to right in proper order, and the leakage fluid dram that has the function of opening and close is seted up to the left side wall bottom in modified pond, is provided with the one deck filter cloth on the leakage fluid dram, and the third discharge gate has been seted up to the bottom left side portion in modified pond, installs third closing cap on the third discharge gate, is provided with the moisture content probe in the modified pond, and the moisture content probe passes through the wire with the moisture content apparatus and is connected.
5. The biomass modification system for sludge dewatering of claim 4, wherein: mixing mechanism includes the mixing pond, second (mixing) shaft and second stirring gear motor, mud import and second feed inlet have been seted up at the top in mixing pond, the mixing pond sets up the left side below in the modified pond along the fore-and-aft direction level, the third discharge gate is located the second feed inlet directly over, the second (mixing) shaft sets up in the mixing pond along the fore-and-aft direction level, the diaxon end rotation of second (mixing) shaft is installed on the wall of the front and back both sides in mixing pond, second stirring gear motor fixed mounting is in the rear side in mixing pond, second stirring gear motor's power shaft and second (mixing) shaft transmission are connected, evenly install a plurality of second stirring vane along the fore-and-aft direction on the periphery of second (mixing).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921060873.6U CN210481184U (en) | 2019-07-09 | 2019-07-09 | Biomass modification system for sludge dewatering |
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| CN201921060873.6U CN210481184U (en) | 2019-07-09 | 2019-07-09 | Biomass modification system for sludge dewatering |
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| CN201921060873.6U Active CN210481184U (en) | 2019-07-09 | 2019-07-09 | Biomass modification system for sludge dewatering |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110342781A (en) * | 2019-07-09 | 2019-10-18 | 河南工程学院 | Biomass modified system and its working method for sludge dewatering |
| CN111689488A (en) * | 2020-06-22 | 2020-09-22 | 中国环境科学研究院 | Process and equipment for preparing biochar for sewage treatment |
| CN113582484A (en) * | 2021-10-08 | 2021-11-02 | 烟台佑利技术有限公司 | Sedimentation tank for rapidly separating and treating oily sludge |
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2019
- 2019-07-09 CN CN201921060873.6U patent/CN210481184U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110342781A (en) * | 2019-07-09 | 2019-10-18 | 河南工程学院 | Biomass modified system and its working method for sludge dewatering |
| CN110342781B (en) * | 2019-07-09 | 2024-01-26 | 河南工程学院 | Biomass modification system for sludge dewatering and working method thereof |
| CN111689488A (en) * | 2020-06-22 | 2020-09-22 | 中国环境科学研究院 | Process and equipment for preparing biochar for sewage treatment |
| CN113582484A (en) * | 2021-10-08 | 2021-11-02 | 烟台佑利技术有限公司 | Sedimentation tank for rapidly separating and treating oily sludge |
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