CN113480126A - Sludge treatment equipment - Google Patents
Sludge treatment equipment Download PDFInfo
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- CN113480126A CN113480126A CN202110814558.3A CN202110814558A CN113480126A CN 113480126 A CN113480126 A CN 113480126A CN 202110814558 A CN202110814558 A CN 202110814558A CN 113480126 A CN113480126 A CN 113480126A
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- 239000010802 sludge Substances 0.000 title claims abstract description 153
- 238000003825 pressing Methods 0.000 claims abstract description 46
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000001035 drying Methods 0.000 claims abstract description 43
- 238000012546 transfer Methods 0.000 claims abstract description 13
- 230000006835 compression Effects 0.000 claims description 41
- 238000007906 compression Methods 0.000 claims description 41
- 239000000706 filtrate Substances 0.000 claims description 36
- 238000001914 filtration Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 6
- 238000009264 composting Methods 0.000 abstract description 4
- 239000012065 filter cake Substances 0.000 abstract description 2
- 208000005156 Dehydration Diseases 0.000 description 7
- 230000018044 dehydration Effects 0.000 description 7
- 238000006297 dehydration reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000011085 pressure filtration Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241001424392 Lucia limbaria Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 244000045947 parasite Species 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/13—Treatment of sludge; Devices therefor by de-watering, drying or thickening by heating
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses sludge treatment equipment, which belongs to the technical field of sludge treatment and comprises a filter pressing module, a sludge transferring assembly, a drying structure and a water condenser, wherein the top of the filter pressing module is provided with a feeding hole; the hot air pipe of the drying structure penetrates through the water condenser, so that the external environment is prevented from being polluted; the drying structure is arranged at a discharge port of the filter pressing module and is used for drying the sludge after filter pressing; the sludge cake outlet at the bottom of the filter pressing module is arranged above the conveying belt in the sludge transferring assembly. The invention uses the filter pressing module to pressurize and filter the sludge, then obtains sludge filter cakes meeting the requirements after the sludge is dried, and transfers the sludge cakes through the conveyor belt, thereby realizing the continuous treatment of the sludge. The invention can make the water content of the sludge break through the mechanical squeezing limit and finally reach the technical index of 50 percent, so that the sludge directly reaches the state of final treatment (incineration, landfill, composting and the like), the online continuous treatment of the sludge in a sewage plant can be realized, and the sludge transfer and subsequent treatment cost is greatly saved.
Description
Technical Field
The invention belongs to the technical field of sludge treatment, and particularly relates to sludge treatment equipment.
Background
Sludge can be classified into municipal domestic sludge and industrial wastewater sludge according to the source characteristics of sewage. The sludge yield of the municipal sludge is moderate, generally accounts for about 0.1 percent of the total volume of the water treated by the domestic sewage, but the total amount is large, the organic matter content is high, the water content is high and generally reaches 95 to 99 percent, even if the water content is still 60 to 80 percent after dehydration, a large amount of pathogenic bacteria and parasites exist, and the municipal sludge is easy to rot and smell and is extremely unstable. The industrial sludge contains different kinds of heavy metals, generally contains oil, has large viscosity and high water content which is generally up to 96-99%, still has 70-85% after mechanical dehydration, has larger volume and mass, small organic matter content and lower heat value.
Improper sludge treatment can cause serious pollution, although the sludge components in different industries are greatly different, the common point is that the water content is very high, and the water content is still 60-80% by using the current dehydration treatment mode.
The key point of sludge treatment is dehydration treatment, and final treatment (incineration, landfill, composting and the like) can be carried out only if the water content of the sludge reaches a certain level.
Currently, the following two dehydration methods are commonly used in the prior art:
1. plate and frame filter press: sludge is squeezed by pressure to realize sludge filtration and dehydration through a plurality of groups of pressing plates with filter screens. The disadvantages are as follows: continuous operation cannot be performed; and because the stressed area is too large, the local pressure is small, the dehydration effect is not good, the water content after filtration is still 60% -80%, and the treated sludge cannot be directly subjected to final treatment.
2. The stacked screw type filter press comprises: the sludge is pressurized at the lateral side and the end part of the screw rod by a rotating screw rod with a screw sheet and gradually reduced screw pitch, and the water is filtered by a cylinder with a filter screen wrapping the screw rod. The disadvantages are as follows: the dewatering effect is not good, the water content is still 60% -80% after filtration, and the treated sludge cannot be directly subjected to final treatment; online drying cannot be realized to reduce the water content; sludge cannot be treated on-line in sewage plants.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a sludge treatment device aiming at the defects of the prior art, which can realize the online treatment of sludge, and the treated sludge can directly enter the final treatment process.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a sludge treatment device comprises a filter pressing module for pressurizing and filtering sludge, a sludge transferring assembly for transferring sludge cakes, a drying structure for drying the sludge cakes and a water condenser for condensing sludge vapor, wherein the filter pressing module is arranged on a rack, and the top of the filter pressing module is provided with a feed inlet; the hot air pipe of the drying structure penetrates through the water condenser, and the drying structure is arranged at a discharge port of the filter pressing module and used for drying the sludge after filter pressing; and a sludge cake outlet at the bottom of the filter pressing module is arranged above the conveying belt in the sludge transfer assembly.
Preferably, the filter pressing module comprises a pressurizing gear set for pressurizing sludge and a compression filter block for compressing sludge and dehydrating, the pressurizing gear set and the compression filter block are both arranged in the shell, and the top of the shell is provided with a feed hopper; the top of the shell is provided with a feed inlet, the bottom of the shell is provided with a discharge outlet, the feed inlet of the compressed filter block is arranged below the discharge outlet of the booster gear set, and the side surface of the compressed filter block is provided with a filtrate discharge outlet; the drying structure is arranged at an outlet below the compression filter block.
Preferably, the booster gear set comprises two gear shafts driven by a motor and a pump body outside the two gear shafts, an inlet at the top of the pump body is communicated with the feed hopper, and a discharge hole corresponding to the junction of the two gear shafts is formed in the bottom of the pump body; the rotating directions of the two gear shafts are opposite, the lower parts of the meshing parts of the sleeved gears on the two gear shafts rotate inwards, and sludge is extruded at the lower sides of the two gear shafts and enters the compression filter blocks.
Preferably, a plurality of sludge through holes and filtrate through holes are formed in the compression filter block, the sludge through holes are tapered holes with large top and small bottom and are longitudinally arranged in a penetrating manner from top to bottom, the filtrate through holes and the sludge through holes are arranged in a staggered manner, the filtrate through holes are arranged horizontally or obliquely downwards, and the openings of the filtrate through holes face the outside of the compression filter block; a drainage pipeline is arranged on the side wall of the compression filter block and is communicated with an outlet of the filtrate through hole; the compressed filter block is made of air-permeable and liquid-permeable materials.
Preferably, the compression filter block is a water-permeable copper block; or the compression filter block is formed by overlapping filter screens layer by layer.
Preferably, the filter pressing modules are provided with a plurality of groups which are arranged in parallel up and down, and a discharge port of a compression filter block of the upper filter pressing module is connected with a feed port of a pressurizing gear set of the lower filter pressing module; the drying structure is a drying channel arranged between the upper and lower adjacent filter pressing modules, and the side wall of the drying channel is communicated with the hot air pipe.
Preferably, the rack is provided with an air heater, and an inlet and an outlet of the air heater are respectively connected with two ends of the drying channel through hot air pipes.
Preferably, still include the controller, the inside of feeder hopper is equipped with the level sensor who is used for detecting the sludge amount of pouring into in the feeder hopper, level sensor and motor all link to each other with the controller.
Preferably, a pressure sensor is arranged in the pump body and connected with the controller.
Preferably, the sludge transfer assembly comprises a conveyor belt, a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are driven by a power part, a plurality of striker plates are arranged on the surface of the conveyor belt at intervals, the driving wheel and the driven wheel are respectively arranged at two ends of the conveyor belt, the driving wheel is arranged on one side below the rack, and the driven wheel is arranged at a high position outside the rack; the middle part of conveyer belt still is equipped with intermediate wheel and leading wheel, the intermediate wheel sets up in the upper surface of the below part at conveyer belt middle part, the leading wheel be two, and set up respectively in the upper surface both sides of the top part of conveyer belt for transport the sludge cake to the eminence from the low place.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in: compared with the prior art, the invention performs pressurization filtration on the sludge through the filter pressing module, obtains sludge filter cakes meeting the requirements after the filtered sludge passes through the drying structure, and transfers the sludge cakes by using the conveyor belt of the sludge transfer component, thereby realizing the continuous treatment of the sludge; meanwhile, the hot air pipe of the drying structure penetrates through the water condenser to condense the sludge vapor into condensed water to be discharged, so that secondary pollution to the surrounding environment is avoided. The invention can make the water content of the sludge break through the mechanical squeezing limit and finally reach the technical index of 50 percent, so that the sludge directly reaches the state of final treatment (incineration, landfill, composting and the like), the online continuous treatment of the sludge in a sewage plant can be realized, and the sludge transfer and subsequent treatment cost is greatly saved.
Drawings
FIG. 1 is a schematic structural view of a sludge treatment apparatus according to an embodiment of the present invention;
FIG. 2 is a top view of the sludge treatment apparatus of FIG. 1;
FIG. 3 is a schematic diagram of the pressure filtration module of FIG. 1;
FIG. 4 is a cross-sectional view of a compressed filter block in an embodiment of the invention;
in the figure: 10-a filter pressing module, 1-a booster gear set, 100-a motor, 101-a gear and 102-a pump body; 2-compressing a filter block, 201-passing a sludge hole, and 202-passing a filtrate hole; 3-shell, 4-filtrate outlet, 5-drainage pipeline, 6-drying channel, 7-hot air pipe, 8-feed hopper and 9-frame; 11-a hot air blower; 12-a water condenser and 13-a water condensation pipe; 14-a discharge pipe, 15-a sludge cake outlet;
20-a sludge transfer component, 21-a conveyor belt, 22-a driving wheel, 23-a driven wheel, 24-a material baffle plate, 25-an intermediate wheel and 26-a guide wheel.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly and completely understood, the technical solutions in the embodiments of the present invention are described below with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the sludge treatment equipment provided by the embodiment of the invention comprises a filter pressing module 10 for pressurizing and filtering sludge, a sludge transfer assembly 20 for transferring sludge cakes, a drying structure for drying the sludge cakes and a water condenser 12 for condensing sludge vapor, wherein the filter pressing module 10 is arranged on a frame 9, and the top of the filter pressing module 10 is provided with a feeding hole; the hot air pipe 7 of the drying structure penetrates through the water condenser 12, and the drying structure is arranged at the discharge hole of the filter pressing module 10 and used for drying the sludge after filter pressing; the sludge cake outlet at the bottom of the filter pressing module 10 is arranged above the conveyor belt 21 in the sludge transfer component 20. Adopt this scheme can realize the online serialization of mud to handle, utilize filter pressing module and stoving structure to carry out pressure boost, filtration and stoving in proper order to mud, make mud moisture content reduce to the level that can direct final processing, practice thrift the treatment cost that mud was deposited, was transported greatly. Meanwhile, the hot air pipe penetrates through the water condenser, so that water vapor after sludge drying can be condensed into condensed water to be discharged, and secondary pollution to the surrounding environment is avoided.
In an embodiment of the present invention, as shown in fig. 3 and 4, the filter pressing module 10 includes a pressurizing gear set 1 for pressurizing sludge and a compression filter block 2 for compressing sludge and dewatering, the pressurizing gear set 1 and the compression filter block 2 are both disposed in a housing 3, and a feed hopper 8 is disposed at the top of the housing 3; a feed inlet is formed in the top of the shell 3, a discharge outlet is formed in the bottom of the shell, a feed inlet of the compression filter block 2 is arranged below a discharge outlet of the booster gear set 1, and a filtrate discharge outlet 4 is formed in the side surface of the compression filter block 2; the drying structure is arranged at an outlet below the compression filter block 2. The pressurizing gear group is utilized to pressurize the sludge and then extrude the sludge into the compression filter block, the compressed sludge can filter out moisture through the compression filter block and then is discharged through the filtrate outlet, and finally, the moisture in the sludge is further reduced through the drying structure, so that the sludge meets the final treatment requirement.
In one embodiment of the present invention, as shown in fig. 1-3, the boost gear set 1 includes two gear shafts 101 driven by a motor 100 and a pump body 102 outside thereof, the top inlet of the pump body 102 is communicated with the feeding hopper 8, and the bottom of the pump body 102 is provided with a discharge hole corresponding to the junction of the two gear shafts 101; the rotating directions of the two gear shafts 101 are opposite, the lower parts of the meshing parts of the sleeved gears on the two gear shafts 101 rotate inwards, and sludge is extruded at the lower sides of the two gear shafts and enters the compression filter block 2. The scheme utilizes the principle of a gear pump, so that the sludge can build compression pressure which can reach 20 Mp. The two gear shafts are driven by the power mechanism to rotate reversely, sludge falling from the feed port of the shell at the upper part can be dispersed to two sides and extruded to the compression filter block at the lower part of the gear, and the pressurized sludge can be extruded into the compression filter block at the lower part. Wherein, the suit gear quantity can set for according to actual need on the gear shaft, utilizes the processing output that multiunit gear can increase mud.
In an embodiment of the present invention, as shown in fig. 3, a plurality of sludge through holes 201 and filtrate through holes 202 are arranged inside the compressed filter block 2, the sludge through holes 201 are tapered holes with large top and small bottom, and are longitudinally arranged in a penetrating manner from top to bottom, the filtrate through holes 202 and the sludge through holes 201 are arranged in a staggered manner, the filtrate through holes 202 are arranged horizontally or obliquely downward, and the openings of the filtrate through holes face the outside of the compressed filter block 2; a drainage pipeline 5 is arranged on the side wall of the compression filter block 2, and the drainage pipeline 5 is communicated with an outlet of the filtrate through hole 202; the compression filter block 2 is made of air-permeable and liquid-permeable materials, the peripheral side wall of the compression filter block is wrapped in a shell (not shown in the figure), and a filtrate outlet on the side wall is converged by a filtrate channel and is discharged into a drainage pipeline outside the compression filter block. The mud via hole adopts the taper hole design in this scheme, can ensure that mud is impressed smoothly in the compression filter block, and mud receives top gear and taper hole side extrusion simultaneously. The sludge is dispersed and extruded into the sludge through holes, under the high-pressure driving of the gear set, water in the sludge enters the micropores in the compression filter blocks, finally is collected in the filtrate through holes, is discharged through the filtrate discharge port and is converged to the drainage pipeline for discharge.
During specific design, filtrate through holes can be designed into a plurality of rows from top to bottom, and filtrate discharge ports of the filtrate through holes are all communicated with the peripheral side walls of the compressed filter block; the multi-row filtrate through holes are arranged in a dispersed manner in the compression filter block, and the peripheral side walls are provided with one or more rows of filtrate discharge ports. Water in the sludge can uniformly flow into different filtrate through holes and is finally discharged from filtrate discharge ports at different positions on the side wall of the compression filter block; the sludge is discharged from the conical hole with larger gap, and solid-liquid separation is formed at the conical hole.
In addition, when the equipment runs for a period of time, the resistance of the compressed filter block is increased, and the filter block needs to be cleaned regularly. After the equipment stops operating, trade mud for washing liquid (running water), add at casing top feed inlet, can form water pressure under the drive of boost gear train equally, wash the pump body, compression filter block and drainage pipe, can ensure the filter effect of compression filter block.
In the specific manufacturing process, the compression filter block 2 is a water-permeable copper block. The manufacturing principle of the permeable copper block is the same as that of the cast brass bar air lock, and a structure body consisting of small copper balls is provided with a taper hole-shaped sludge through hole and filtrate through holes at the periphery in the machining process, so that the compressed sludge and filtrate are discharged. When the sludge with pressure passes through the compressed filter block, a gap exists between the copper balls, and water in the sludge is discharged along the gap between the top surface and the side surface of the taper hole under the action of pressure, is converged into the filtrate through hole, is finally discharged through the filtrate discharge port, and is converged and discharged through the drainage pipeline. Of course, the copper balls may be replaced with other materials.
In another embodiment of the present invention, the compressed filter block 2 is formed by stacking filter screen layers. The filter screen can be woven by adopting a stainless steel wire mesh, and the structure can also achieve the purposes of compressing sludge and dehydrating the sludge. The sludge enters the sludge through holes in the layer-by-layer filter screen under the extrusion of the gears, and the moisture in the sludge can be discharged into the filtrate through holes and discharged through the filtrate discharge port.
Further optimizing the technical scheme, as shown in fig. 1-3, the filter pressing modules 10 are provided with a plurality of groups and are arranged in parallel up and down, and the discharge hole of the compression filter block 2 of the upper filter pressing module 10 is connected with the feed hole of the pressurizing gear set 1 of the lower filter pressing module 10; the drying structure is a drying channel 6 arranged between the upper and lower adjacent filter pressing modules 10, and the side wall of the drying channel 6 is communicated with the hot air pipe 7. Wherein, the rack 9 is provided with an air heater 11, and the inlet and outlet of the air heater 11 are respectively connected with the two ends of the drying channel 6 through the hot air pipe 7. The inlet and outlet of the hot air blower are connected with the hot air pipe, and then the hot air pipe is butted at two ends of the drying channel, so that the closed circulation of hot air can be realized, and the environmental pollution is reduced. The multistage filtration of utilizing multiunit filter pressing module can realize mud pressure filtration and hot-blast stoving circulation, makes mud moisture content break through mechanical squeezing limit, finally reaches 50% technical index.
In one embodiment of the present invention, as shown in fig. 2, the condensed water pipe 13 of the water condenser 12 is communicated with the water discharge pipe 5. Finally, the condensed water pipe 13 and the water discharge pipe 5 are collected in the discharge pipe 14 and discharged. The water condenser can be used for cooling the water vapor after drying the sludge, so that the sludge vapor contained in the water vapor is condensed into condensed water which is collected in a discharge pipe and discharged.
As a preferred structure, still include the controller, the inside of feeder hopper 8 is equipped with the level sensor who is used for detecting its inside sludge amount, level sensor and motor 100 all link to each other with the controller is wired or wireless. The sludge amount injected into the feed hopper 8 is detected through the material level sensor, so that intelligent energy-saving control that the material is not started when no material exists and the material level is started after reaching a set value is realized. Meanwhile, a pressure sensor is arranged in the pump body 102 and connected with a controller, the pressure inside the pump body is monitored through the pressure sensor, and the functions of intelligent cleaning, speed regulation and alarming of equipment are achieved. By adopting the structure, unattended operation and intelligent control of the equipment can be realized.
In an embodiment of the present invention, as shown in fig. 1 and 2, the sludge transporting assembly 20 includes a conveyor belt 21, and a driving wheel 22 and a driven wheel 23 driven by a power unit, wherein a plurality of striker plates 24 are disposed on the surface of the conveyor belt 21 at intervals, the driving wheel 22 and the driven wheel 23 are respectively disposed at two ends of the conveyor belt 21, the driving wheel 22 is disposed at one side below the frame 9, and the driven wheel 23 is disposed at a high position outside the frame 9; the middle part of conveyer belt 21 still is equipped with intermediate wheel 25 and leading wheel 26, intermediate wheel 25 sets up in the upper surface of the below part at conveyer belt 21 middle part, leading wheel 26 is two, and sets up respectively in the upper surface both sides of the top part of conveyer belt 21 for transport the sludge cake to high position from the low, can pack the sludge cake into convenient the transportation in haulage vehicle's the loading and unloading fill.
Meanwhile, the air heater, the water condenser and the power component are all connected with the controller, and linkage can be achieved.
In conclusion, the invention has the advantages of simple and compact structure and good sludge dewatering effect, utilizes the multiple groups of filter pressing modules to carry out multistage compression filtration and hot air drying circulation on the sludge, ensures that the water content of the sludge breaks through the mechanical pressing limit and finally reaches 50 percent of technical index, can realize the on-line continuous treatment of the sludge in a sewage plant, saves the sludge transportation cost and greatly reduces the probability of secondary pollution of the sludge. The invention can realize that the water content of the sludge is less than or equal to 50 percent without using filler, so that the sludge directly reaches the state of final treatment (incineration, landfill, composting and the like), and the cost of sludge transfer and post-treatment is greatly saved.
The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (10)
1. A sludge treatment equipment is characterized in that: the sludge-drying device comprises a filter pressing module for pressurizing and filtering sludge, a sludge transferring assembly for transferring sludge cakes, a drying structure for drying the sludge cakes and a water condenser for condensing sludge vapor, wherein the filter pressing module is arranged on a rack, and a feeding hole is formed in the top of the filter pressing module; the hot air pipe of the drying structure penetrates through the water condenser, and the drying structure is arranged at a discharge port of the filter pressing module and used for drying the sludge after filter pressing; and a sludge cake outlet at the bottom of the filter pressing module is arranged above the conveying belt in the sludge transfer assembly.
2. The sludge treatment apparatus according to claim 1, wherein: the filter pressing module comprises a pressurizing gear set for pressurizing sludge and a compression filter block for compressing the sludge and dehydrating, the pressurizing gear set and the compression filter block are both arranged in the shell, and the top of the shell is provided with a feed hopper; the top of the shell is provided with a feed inlet, the bottom of the shell is provided with a discharge outlet, the feed inlet of the compressed filter block is arranged below the discharge outlet of the booster gear set, and the side surface of the compressed filter block is provided with a filtrate discharge outlet; the drying structure is arranged at an outlet below the compression filter block.
3. The sludge treatment apparatus according to claim 2, wherein: the pressurizing gear set comprises two gear shafts driven by a motor and a pump body outside the two gear shafts, an inlet at the top of the pump body is communicated with the feed hopper, and a discharge hole corresponding to the junction of the two gear shafts is formed in the bottom of the pump body; the rotating directions of the two gear shafts are opposite, the lower parts of the meshing parts of the sleeved gears on the two gear shafts rotate inwards, and sludge is extruded at the lower sides of the two gear shafts and enters the compression filter blocks.
4. The sludge treatment apparatus according to claim 2, wherein: the sludge through holes are tapered holes with large top and small bottom and are longitudinally arranged in a penetrating manner from top to bottom, the filtrate through holes and the sludge through holes are arranged in a staggered manner, and the filtrate through holes are arranged horizontally or obliquely downwards and have openings facing the outside of the compression filter block; a drainage pipeline is arranged on the side wall of the compression filter block and is communicated with an outlet of the filtrate through hole; the compressed filter block is made of air-permeable and liquid-permeable materials.
5. The sludge treatment apparatus according to claim 4, wherein: the compressed filter block is a water-permeable copper block; or the compression filter block is formed by overlapping filter screens layer by layer.
6. The sludge treatment apparatus according to claim 2, wherein: the filter pressing modules are arranged in parallel up and down, and a discharge hole of a compressed filter block of the upper filter pressing module is connected with a feed hole of a pressurizing gear set of the lower filter pressing module; the drying structure is a drying channel arranged between the upper and lower adjacent filter pressing modules, and the side wall of the drying channel is communicated with the hot air pipe.
7. The sludge treatment apparatus according to claim 6, wherein: the rack is provided with an air heater, and an inlet and an outlet of the air heater are respectively connected with two ends of the drying channel through hot air pipes.
8. The sludge treatment apparatus according to claim 3, wherein: still include the controller, the inside of feeder hopper is equipped with the level sensor who is used for detecting the sludge amount of pouring into in the feeder hopper, level sensor and motor all link to each other with the controller.
9. The sludge treatment apparatus according to claim 8, wherein: and a pressure sensor is arranged in the pump body and is connected with a controller.
10. The sludge treatment apparatus according to any one of claims 1 to 9, wherein: the sludge transfer assembly comprises a conveyor belt, a driving wheel and a driven wheel, wherein the driving wheel and the driven wheel are driven by a power part, a plurality of striker plates are arranged on the surface of the conveyor belt at intervals, the driving wheel and the driven wheel are respectively arranged at two ends of the conveyor belt, the driving wheel is arranged on one side below the rack, and the driven wheel is arranged at a high position outside the rack; the middle part of conveyer belt still is equipped with intermediate wheel and leading wheel, the intermediate wheel sets up in the upper surface of the below part at conveyer belt middle part, the leading wheel be two, and set up respectively in the upper surface both sides of the top part of conveyer belt for transport the sludge cake to the eminence from the low place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110814558.3A CN113480126A (en) | 2021-07-19 | 2021-07-19 | Sludge treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110814558.3A CN113480126A (en) | 2021-07-19 | 2021-07-19 | Sludge treatment equipment |
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| Publication Number | Publication Date |
|---|---|
| CN113480126A true CN113480126A (en) | 2021-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110814558.3A Pending CN113480126A (en) | 2021-07-19 | 2021-07-19 | Sludge treatment equipment |
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| CN (1) | CN113480126A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114014700A (en) * | 2021-12-02 | 2022-02-08 | 深圳市复绿生物环保科技有限公司 | Sludge treatment equipment, biological organic nutrient soil obtained from sludge and preparation method |
Citations (7)
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| CN114014700A (en) * | 2021-12-02 | 2022-02-08 | 深圳市复绿生物环保科技有限公司 | Sludge treatment equipment, biological organic nutrient soil obtained from sludge and preparation method |
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