CN108793670B - Sludge treatment system and working method thereof - Google Patents
Sludge treatment system and working method thereof Download PDFInfo
- Publication number
- CN108793670B CN108793670B CN201810619369.9A CN201810619369A CN108793670B CN 108793670 B CN108793670 B CN 108793670B CN 201810619369 A CN201810619369 A CN 201810619369A CN 108793670 B CN108793670 B CN 108793670B
- Authority
- CN
- China
- Prior art keywords
- sludge
- air
- filtering
- tank
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000010802 sludge Substances 0.000 title claims abstract description 286
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000001914 filtration Methods 0.000 claims abstract description 90
- 238000007605 air drying Methods 0.000 claims abstract description 38
- 239000012535 impurity Substances 0.000 claims abstract description 32
- 238000011084 recovery Methods 0.000 claims abstract description 14
- 238000010790 dilution Methods 0.000 claims abstract description 13
- 239000012895 dilution Substances 0.000 claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 68
- 239000002245 particle Substances 0.000 claims description 49
- 241000196324 Embryophyta Species 0.000 claims description 45
- 239000007787 solid Substances 0.000 claims description 45
- 238000010438 heat treatment Methods 0.000 claims description 27
- 238000007865 diluting Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 16
- 238000003756 stirring Methods 0.000 claims description 15
- 239000002689 soil Substances 0.000 claims description 10
- 238000004321 preservation Methods 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 238000010992 reflux Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000005086 pumping Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000000725 suspension Substances 0.000 claims 1
- 238000001035 drying Methods 0.000 description 7
- 230000007547 defect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 206010024796 Logorrhoea Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
- B01D29/58—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection arranged concentrically or coaxially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a sludge treatment system and a working method thereof, and the sludge treatment system comprises an original sludge storage tank, a first spiral conveyor, a sludge dilution stirrer, a sludge filtration and seepage tank, a second spiral conveyor and a sludge air-drying box, wherein the original sludge storage tank is used for storing original sludge, the first spiral conveyor can convey the original sludge at the bottom of the original sludge storage tank to the sludge dilution stirrer, the side surface of the sludge filtration and seepage tank is provided with an impurity recovery box communicated with the interior of the sludge filtration and seepage tank, the sludge filtration and seepage tank is provided with an impurity pushing mechanism capable of pushing impurities filtered by the sludge filtration and seepage tank into the impurity recovery box, and the second spiral conveyor can convey the sludge filtered and seeped in the sludge filtration and seepage tank to the sludge air-drying box. The sludge treatment system and the working method thereof provided by the invention can systematically filter and air-dry the sludge, the working method is reasonable, and the sludge treatment is more thorough.
Description
Technical Field
The invention belongs to the technical field of sludge treatment, and particularly relates to a sludge treatment system and a working method thereof.
Background
Sludge treatment is a pollution-free process of concentrating, regulating, dehydrating, stabilizing, drying or incinerating sludge. However, the current devices or systems for sludge treatment have the following drawbacks:
firstly, sludge is not diluted and stirred, and the collected original sludge is uneven in hardness and is easy to influence the subsequent sludge treatment;
secondly, the river sludge does not have an impurity filtering function or is not filtered thoroughly, and the river sludge contains impurities such as weeds, solid particles and the like and needs to be filtered one by one;
and thirdly, sludge drying generally adopts self-evaporation facilities such as a sludge drying bed (bed) and the like, but the drying efficiency is low, or adopts steam, smoke and hot oil heat source drying equipment, but the environmental pollution is easily caused, and the investment cost is increased.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the sludge treatment system and the working method thereof, which can effectively overcome the three defects in the background art, and have more thorough sludge treatment and convenient large-scale popularization.
The technical scheme is as follows: in order to achieve the purpose, the sludge treatment system comprises an original sludge storage tank, a first screw conveyor, a sludge dilution stirrer, a sludge filtration and seepage tank, a second screw conveyor and a sludge air drying box, wherein the original sludge storage tank is provided with a first screw conveyor; the raw sludge storage tank is used for storing raw sludge and is formed by pouring cement concrete outside a steel bar framework; the first spiral conveyer is positioned between the original sludge storage tank and the sludge dilution stirrer and can convey the original sludge at the bottom of the original sludge storage tank to the sludge dilution stirrer; the sludge filtration seepage pool is positioned at the sludge output end of the sludge dilution stirring machine, an impurity recovery box communicated with the inside of the sludge filtration seepage pool is arranged on the side surface of the sludge filtration seepage pool, and the sludge filtration seepage pool is provided with an impurity pushing mechanism capable of pushing the impurities filtered by the sludge filtration seepage pool into the impurity recovery box; the second screw conveyer is positioned between the sludge filtering and water permeating tank and the sludge air drying box, and can convey sludge filtered and permeated in the sludge filtering and water permeating tank to the sludge air drying box.
Further, mud air-dry case includes box and mud adheres to the tower, mud air-dry case has mud and air-dries the cavity, mud adheres to the tower and hangs the setting in mud air-dry cavity through the multidirectional supporting spring subassembly.
Furthermore, the box body is cylindrical, the top of the box body is provided with an inverted cone-shaped feeding cover communicated with the sludge air drying chamber, the bottom of the box body is provided with an inverted cone-shaped discharging cover communicated with the sludge air drying chamber, and a discharging port of the inverted cone-shaped discharging cover is provided with a transmission device; the side surface of the box body is of a three-layer structure consisting of an outer box wall, a middle box wall and an inner box wall, a hot air gathering chamber is formed between the outer box wall and the middle box wall, a vacuum heat preservation chamber is formed between the middle box wall and the inner box wall, and a sludge air drying chamber is formed by the inner wall of the inner box wall and the inner walls of the upper box and the lower box of the box body;
the hot air gathering chamber is connected with a heating furnace through a hot air guide pipe communicated with the hot air gathering chamber, an air suction pump is arranged on the hot air guide pipe, the hot air guide pipe is communicated with a heating pipe which is arranged in the heating furnace and is in a curve shape or a spiral shape, and an air inlet of the heating pipe extends to the outside of the heating furnace;
a plurality of transverse conical air guide pieces are arranged in the vacuum heat preservation cavity, and the hot air gathering cavity is communicated with the sludge air drying cavity through the plurality of conical air guide pieces; the plurality of conical air guide pieces are distributed in a linear array manner in the vertical direction in the vacuum heat-insulation cavity, are distributed in a circumferential array manner in the horizontal plane, and the air guide cavity of the transverse conical air guide piece is gradually narrowed from the air inlet cavity opening to the air outlet cavity opening.
Further, the sludge attachment tower comprises a tower-shaped sludge attachment shell and a vertical support rod which supports the sludge attachment shell and is arranged at the vertical central axis of the sludge attachment shell, a conical body is arranged at the top end of the sludge attachment shell, the upper end of the vertical support rod is fixedly connected with the conical body, and a first flat plate is arranged at the lower end of the vertical support rod;
an annular sludge falling ring communicated with the interior of the inverted cone-shaped discharging cover is arranged at the bottom of a lower box of the box body positioned in the sludge air-drying chamber, and the lower edge of the sludge attaching shell is positioned right above the annular sludge falling ring;
a bottom plate formed by arranging an annular sludge falling ring is fixedly connected with the lower bottom of the box body through a plurality of circumferentially distributed connecting rods, a vibration motor is arranged on the bottom plate, and a second flat plate is arranged on the vibration motor;
the multidirectional supporting spring assembly comprises a plurality of horizontal supporting springs and a plurality of vertical supporting springs, one end of each horizontal supporting spring is fixedly connected with the conical body, the other end of each horizontal supporting spring is fixedly connected with the inner wall of the inner box wall, one end of each vertical supporting spring is fixedly connected with the first flat plate, and the other end of each vertical supporting spring is fixedly connected with the second flat plate.
Furthermore, the sludge attachment shell is formed by regularly connecting a plurality of inclined connecting plates, a plurality of outwards convex arc-shaped plates and a plurality of inwards concave arc-shaped plates, and the outwards convex arc-shaped plates and the inwards concave arc-shaped plates are alternately arranged through the inclined connecting plates.
Furthermore, a weed filtering layer, a solid particle filtering layer and a water seepage layer are arranged in the sludge filtering seepage pool from top to bottom, the sludge filtering seepage pool is divided into a weed filtering pool, a solid particle filtering pool, a sludge temporary storage pool and a water storage pool by the three, the weed filtering pool and the solid particle filtering pool are both communicated with an impurity recovery box, the conveying starting end of the second screw conveyor is connected with the inner bottom of the sludge temporary storage pool, and a water circulating conveying device capable of conveying water in the water storage pool to the sludge diluting stirrer is arranged on the side surface of the water storage pool;
impurity ejecting mechanism includes the motor, through two screw rods of belt drive connection and weeds ejector plate and solid particle ejector plate on two screw rods of difference threaded connection, the end of screw rod is provided with travel switch, weeds ejector plate is located the weeds filtering ponds, solid particle ejector plate is located the solid particle filtering ponds, the motor can drive two screw rods synchronous rotation to it will respectively to drive weeds ejector plate and solid particle ejector plate synchronous motion weeds in the weeds filtering ponds and solid particle in the solid particle filtering ponds pushes away in the impurity recycling bin.
Furthermore, the water seepage layer is formed by laying filter cloth on the upper surface of the filter plate; the water circulation conveying device comprises a water return pipe and a reflux pump arranged on the water return pipe, wherein one end of the water return pipe is communicated with the inner bottom of the water storage pool, and the other end of the water return pipe extends to a sludge input end of the sludge dilution stirring machine.
A working method of a sludge treatment system comprises the following specific steps:
the method comprises the following steps: adding a proper amount of clear water into the sludge filtering and seepage tank to be stored into a water storage tank, wherein the water surface does not exceed the lower layer surface of a seepage layer, and the sludge in the sludge temporary storage tank is ensured not to be contacted;
step two: starting a first spiral conveyor, conveying a proper amount of original sludge into a sludge diluting stirrer, starting a reflux pump, pumping a proper amount of clear water into the sludge diluting stirrer, and then starting the sludge diluting stirrer to dilute and stir the sludge;
step three: after sludge is diluted and stirred uniformly, pouring the diluted sludge into a sludge filtering and water seepage tank, carrying out weed filtering, solid particle filtering and water seepage on the sludge, and storing the filtered and water-seeped sludge in a temporary sludge storage tank;
step four: starting a motor, synchronously moving a weed pushing plate and a solid particle pushing plate to push weeds in a weed filtering pool and solid particles in a solid particle filtering pool into an impurity recovery box respectively, and then resetting the weed pushing plate and the solid particle pushing plate;
step five: starting a second screw conveyor, slowly conveying the sludge in the sludge temporary storage tank to the inverted cone-shaped feeding cover, then enabling the sludge to fall onto the sludge attachment shell from the inverted cone-shaped feeding cover and begin to diffuse, and closing the second screw conveyor after the sludge is diffused to a sludge attachment surface of the whole sludge attachment shell;
step six: starting a heating furnace to heat the heating pipe, then starting an air suction pump to form air into air to be sucked into the heating pipe for heating, then diffusing the hot air into the hot air gathering chamber through the hot air guide pipe, blowing the air to the sludge attachment shell from the air guide chamber of the transverse conical air guide piece, and air-drying the sludge attached to the sludge attachment shell;
step seven: mud adheres to and forms the clod that adheres to the casing shape similar with mud after air-drying on the casing, at this moment, opens vibrating motor, shakes garrulous the clod and forms the soil grain, and the soil grain falls into back taper ejection of compact cover afterwards and is carried on dropping to transmission device from its export.
Has the advantages that: the sludge treatment system and the working method thereof have the following beneficial effects:
(1) the original sludge can be stirred and diluted, so that the subsequent sludge treatment can be performed orderly;
(2) the filter has a filtering function, effectively removes impurities such as weeds, solid particles and the like in the sludge, and can reasonably collect the impurities;
(3) the sludge is reasonably and effectively dried by adopting hot air, so that the sludge drying device is more environment-friendly compared with the conventional sludge incineration or other sludge drying measures, the investment cost of sludge treatment is saved, the working method is reasonable, and the large-scale popularization is facilitated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic structural view of a sludge filtration seepage tank;
FIG. 3 is a schematic structural view of a sludge air-drying box;
FIG. 4 is a cross-sectional view of a sludge air-drying box;
FIG. 5 is a schematic view of a sludge adhesion tower.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
Referring to the attached figure 1, a sludge treatment system comprises an original sludge storage tank 1, a first screw conveyor 2, a sludge dilution stirrer 3, a sludge filtration seepage tank 4, a second screw conveyor 8 and a sludge air drying tank 9; the raw sludge storage tank 1 is used for storing raw sludge and is formed by pouring cement concrete outside a steel bar framework; the first screw conveyer 2 is positioned between the original sludge storage tank 1 and the sludge dilution stirrer 3, and can convey the original sludge at the bottom of the original sludge storage tank 1 to the sludge dilution stirrer 3; the sludge filtration seepage tank 4 is positioned at the sludge output end of the sludge diluting and stirring machine 3, the side surface of the sludge filtration seepage tank 4 is provided with an impurity recovery box 5 communicated with the inside of the sludge filtration seepage tank 4, and the sludge filtration seepage tank 4 is provided with an impurity pushing mechanism capable of pushing the impurities filtered by the sludge filtration seepage tank into the impurity recovery box 5; the second screw conveyer 8 is positioned between the sludge filtration seepage pool 4 and the sludge air-drying box 9, and can convey the sludge in the sludge filtration seepage pool 4 after filtration and water seepage to the sludge air-drying box 9.
Mud air-dry case 9 includes box 30 and mud and adheres to tower 38, mud air-dry case 9 has mud and air-dries cavity 39, mud adheres to tower 38 and air-dries the cavity 39 in mud through the unsettled setting of multidirectional supporting spring subassembly, and unsettled mud adheres to tower 38 and can provide more flow space for mud air-dries the hot-blast in cavity 39, simultaneously, can vibrate the breakage, shake the falling through the mode of vibration that the mud piece that has air-dried on it is fine.
The box body 30 is cylindrical, the top of the box body is provided with an inverted cone-shaped feeding cover 31 communicated with the sludge air-drying chamber 39, the bottom of the box body is provided with an inverted cone-shaped discharging cover 32 communicated with the sludge air-drying chamber 39, and a discharging hole of the inverted cone-shaped discharging cover 32 is provided with a transmission device 14; the side surface of the box body 30 is of a three-layer structure consisting of an outer box wall 33, a middle box wall 34 and an inner box wall 35, a hot air gathering chamber 36 is formed between the outer box wall 33 and the middle box wall 34, the hot air gathering chamber 36 gathers hot air temporarily and then diffuses the hot air, the speed of the air blown out from each conical air guide 50 is ensured to be uniform, a vacuum heat preservation chamber 37 is formed between the middle box wall 34 and the inner box wall 35, the heat preservation effect is well realized, the sludge air drying efficiency is improved, and the inner wall of the inner box wall 35 and the inner walls of the upper box and the lower box of the box body 30 form a sludge air drying chamber 39 together;
the hot air gathering chamber 36 is connected with the heating furnace 13 through a hot air guide pipe 10 communicated with the hot air gathering chamber, an air suction pump 11 is arranged on the hot air guide pipe 10, the hot air guide pipe 10 is communicated with a heating pipe 12 which is arranged in the heating furnace 13 and is in a curve shape or a spiral shape, and an air inlet of the heating pipe 12 extends to the outside of the heating furnace 13.
A plurality of transverse conical air guide pieces 50 are arranged in the vacuum heat-insulating chamber 37, and the hot air gathering chamber 36 is communicated with the sludge air-drying chamber 39 through the plurality of conical air guide pieces 50; a plurality of toper wind-guiding piece 50 is linear array in vacuum insulation cavity 37 in the vertical direction and distributes, is circumference array in the horizontal plane and distributes, and toper wind-guiding piece 50 position distributes rationally, guarantees mud air-dried homogeneity, and horizontal toper wind-guiding piece 50's wind water conservancy diversion chamber narrows from air inlet chamber mouth to air outlet chamber mouth gradually, can effectively improve the speed that blows off of wind like this, has increased the mobility of mud air-dry cavity 39 interior hot-blast.
The sludge adhesion tower 38 comprises a tower-shaped sludge adhesion shell 60 and a vertical support rod 61 for supporting the sludge adhesion shell 60 and arranging the sludge adhesion shell 60 at the vertical central axis position, the sludge adhesion shell 60 is light in weight, the manufacturing cost is saved, meanwhile, the flowing space of hot air in the sludge air drying chamber 39 is increased, a conical body 64 is arranged at the top end of the sludge adhesion shell 60, the upper end of the vertical support rod 61 is fixedly connected with the conical body 64, a first flat plate 47 is arranged at the lower end of the vertical support rod 61, and the conical body 64 can play a good dispersing role in sludge from the inverted cone-shaped feeding cover 31, so that the sludge is filled in the sludge adhesion surface of the whole sludge adhesion shell 60 as much as possible.
An annular sludge falling ring 40 communicated with the interior of the inverted cone-shaped discharging cover 32 is arranged at the bottom of the lower box of the box body 30 positioned in the sludge air-drying chamber 39, and the lower edge of the sludge attaching shell 60 is positioned right above the annular sludge falling ring 40;
a bottom plate 41 formed by arranging an annular sludge falling ring 40 is fixedly connected with the lower bottom of the box body 30 through a plurality of circumferentially distributed connecting rods 42, a vibration motor 46 is arranged on the bottom plate 41, and a second flat plate 45 is arranged on the vibration motor 46;
multidirectional supporting spring subassembly includes a plurality of horizontal supporting spring 43 and a plurality of vertical supporting spring 44, horizontal supporting spring 43 one end and cone 64 fixed connection, the inner wall fixed connection of the other end and interior tank wall 35, vertical supporting spring 44 one end and first flat 47 fixed connection, the other end and second flat 45 fixed connection, under vibrating motor 46 open mode, horizontal supporting spring 43 and vertical supporting spring 44 have effectively improved the vibration volatility of mud adhesion tower 38, and simultaneously, the horizontal supporting spring 43 of setting also helps improving the overall stability of mud adhesion tower 38.
Mud adheres to casing 60 and comprises the connection of a plurality of slope connecting plates 62, a plurality of outside convex arc 61 and a plurality of inside concave arc 63 rules, and convex arc 61 sets up through slope connecting plates 62 with inside concave arc 63 in turn, and mud adheres to casing 60 structural design very ingenious, can increase the mud and adhere to the face, has improved sludge treatment's overall efficiency.
A weed filtering layer 17, a solid particle filtering layer 18 and a water seepage layer 19 are arranged in the sludge filtering and water seepage tank 4 from top to bottom, the sludge filtering and water seepage tank 4 is divided into a weed filtering tank 20, a solid particle filtering tank 21, a sludge temporary storage tank 22 and a water storage tank 23 by the weed filtering tank 20 and the solid particle filtering tank 21, the weed filtering tank 20 and the solid particle filtering tank 21 are both communicated with an impurity recovery box 5, the conveying starting end of the second spiral conveyor 8 is connected with the inner bottom of the sludge temporary storage tank 22, and a water circulating conveying device capable of conveying water in the water storage tank 23 into the sludge diluting and stirring machine 3 is arranged on the side surface of the water storage tank 23;
impurity ejecting mechanism includes motor 27, two screw rods 26 and weeds ejector plate 24 and solid particle ejector plate 25 of difference threaded connection on two screw rods 26 through the belt drive connection, the end of screw rod 26 is provided with travel switch 15, weeds ejector plate 24 is located weeds filtering ponds 20, solid particle ejector plate 25 is located solid particle filtering ponds 21, motor 27 can drive two screw rods 26 synchronous rotation to it will respectively to drive weeds ejector plate 24 and solid particle ejector plate 25 synchronous motion weeds in the weeds filtering ponds 20 and solid particle in the solid particle filtering ponds 21 pushes away in impurity recycling box 5.
The water seepage layer 19 is formed by laying filter cloth on the upper surface of the filter plate; the water circulation conveying device comprises a water return pipe 6 and a reflux pump 7 arranged on the water return pipe 6, wherein one end of the water return pipe 6 is communicated with the inner bottom of the water storage tank 23, and the other end of the water return pipe extends to the sludge input end of the sludge diluting and stirring machine 3.
A working method of a sludge treatment system comprises the following specific steps:
the method comprises the following steps: adding a proper amount of clear water into the sludge filtering and seepage tank 4 to be stored in a water storage tank 23, wherein the water surface does not exceed the lower layer surface of a seepage layer 19, and the sludge in the sludge temporary storage tank 22 is ensured not to be contacted;
step two: starting the first screw conveyor 2, conveying a proper amount of original sludge into the sludge diluting and stirring machine 3, starting the reflux pump 7, pumping a proper amount of clear water into the sludge diluting and stirring machine 3, and then starting the sludge diluting and stirring machine 3 to dilute and stir the sludge;
step three: after the sludge is diluted and stirred uniformly, the diluted sludge is poured into a sludge filtration and seepage tank 4 for weed filtration, solid particle filtration and seepage of the sludge, and the filtered and seeped sludge is stored in a temporary sludge storage tank 22;
step four: starting the motor 27, synchronously moving the weed pushing plate 24 and the solid particle pushing plate 25 to push weeds in the weed filtering tank 20 and solid particles in the solid particle filtering tank 21 into the impurity recovery box 5 respectively, and then resetting the weed pushing plate 24 and the solid particle pushing plate 25;
step five: starting the second screw conveyor 8, slowly conveying the sludge in the sludge temporary storage tank 22 to the inverted cone-shaped feeding cover 31, then dropping the sludge onto the sludge attachment shell 60 from the inverted cone-shaped feeding cover 31 and starting to diffuse, and closing the second screw conveyor 8 after the sludge is diffused to the sludge attachment surface of the whole sludge attachment shell 60;
step six: starting the heating furnace 13 to heat the heating pipe 12, then starting the air suction pump 11 to form air into air to be sucked into the heating pipe 12 for heating, then diffusing the hot air into the hot air gathering chamber 36 through the hot air guide pipe 10, blowing the air to the sludge attachment shell 60 from the air guide chamber of the transverse conical air guide piece 50, and air-drying the sludge attached to the sludge attachment shell;
step seven: the sludge attached to the sludge attaching shell 60 is air-dried to form soil blocks similar to the sludge attaching shell 60 in shape, at the moment, the vibration motor 46 is started to vibrate the soil blocks to form soil particles, and the soil particles fall into the inverted cone-shaped discharging cover 32 and fall from the outlet of the inverted cone-shaped discharging cover onto the conveying device 14 to be conveyed.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (5)
1. A sludge treatment system is characterized in that: comprises an original sludge storage pool (1), a first screw conveyor (2), a sludge diluting and stirring machine (3), a sludge filtering and percolating pool (4), a second screw conveyor (8) and a sludge air-drying box (9); the raw sludge storage tank (1) is used for storing raw sludge and is formed by pouring cement concrete outside a steel bar framework; the first screw conveyer (2) is positioned between the original sludge storage tank (1) and the sludge dilution stirrer (3), and can convey the original sludge at the bottom of the original sludge storage tank (1) to the sludge dilution stirrer (3); the sludge filtering and percolating water tank (4) is positioned at the sludge output end of the sludge diluting and stirring machine (3), an impurity recovery box (5) communicated with the inside of the sludge filtering and percolating water tank (4) is arranged on the side surface of the sludge filtering and percolating water tank (4), and the sludge filtering and percolating water tank (4) is provided with an impurity pushing mechanism capable of pushing impurities filtered by the sludge filtering and percolating water tank into the impurity recovery box (5); the second screw conveyor (8) is positioned between the sludge filtering and seeping water tank (4) and the sludge air-drying box (9), and can convey the filtered and seeped sludge in the sludge filtering and seeping water tank (4) to the sludge air-drying box (9);
the sludge air-drying box (9) comprises a box body (30) and a sludge attachment tower (38), the sludge air-drying box (9) is provided with a sludge air-drying chamber (39), and the sludge attachment tower (38) is arranged in the sludge air-drying chamber (39) in a suspension manner through a multidirectional supporting spring assembly;
the box body (30) is cylindrical, the top of the box body is provided with an inverted cone-shaped feeding cover (31) communicated with the sludge air-drying chamber (39), the bottom of the box body is provided with an inverted cone-shaped discharging cover (32) communicated with the sludge air-drying chamber (39), and a discharging hole of the inverted cone-shaped discharging cover (32) is provided with a transmission device (14); the side surface of the box body (30) is of a three-layer structure consisting of an outer box wall (33), a middle box wall (34) and an inner box wall (35), a hot air gathering chamber (36) is formed between the outer box wall (33) and the middle box wall (34), a vacuum heat preservation chamber (37) is formed between the middle box wall (34) and the inner box wall (35), and the inner wall of the inner box wall (35) and the inner walls of the upper box and the lower box of the box body (30) form a sludge air drying chamber (39);
the hot air gathering chamber (36) is connected with a heating furnace (13) through a hot air guide pipe (10) communicated with the hot air gathering chamber, an air suction pump (11) is arranged on the hot air guide pipe (10), the hot air guide pipe (10) is communicated with a heating pipe (12) which is arranged in the heating furnace (13) and is in a curve shape or a spiral shape, and an air inlet of the heating pipe (12) extends to the outside of the heating furnace (13);
a plurality of transverse conical air guide pieces (50) are arranged in the vacuum heat-insulating chamber (37), and the hot air gathering chamber (36) is communicated with the sludge air-drying chamber (39) through the plurality of conical air guide pieces (50); the plurality of conical air guide pieces (50) are distributed in a linear array in the vertical direction in the vacuum heat-preservation cavity (37) and in a circumferential array in the horizontal plane, and the air guide cavities of the transverse conical air guide pieces (50) are gradually narrowed from the air inlet cavity opening to the air outlet cavity opening;
the sludge attaching tower (38) comprises a tower-shaped sludge attaching shell (60) and a vertical support rod (61) which supports the sludge attaching shell (60) and is arranged at the vertical central axis position of the sludge attaching shell, a conical body (64) is arranged at the top end of the sludge attaching shell (60), the upper end of the vertical support rod (61) is fixedly connected with the conical body (64), and a first flat plate (47) is arranged at the lower end of the vertical support rod (61);
an annular sludge falling ring (40) communicated with the interior of the inverted cone-shaped discharging cover (32) is arranged at the bottom of the lower box body (30) positioned in the sludge air-drying chamber (39), and the lower edge of the sludge attaching shell (60) is positioned right above the annular sludge falling ring (40);
a bottom plate (41) formed by arranging an annular sludge falling ring (40) is fixedly connected with the lower bottom of the box body (30) through a plurality of circumferentially distributed connecting rods (42), a vibration motor (46) is arranged on the bottom plate (41), and a second flat plate (45) is arranged on the vibration motor (46);
the multidirectional supporting spring assembly comprises a plurality of horizontal supporting springs (43) and a plurality of vertical supporting springs (44), one end of each horizontal supporting spring (43) is fixedly connected with the corresponding conical body (64), the other end of each horizontal supporting spring is fixedly connected with the inner wall of the corresponding inner box wall (35), one end of each vertical supporting spring (44) is fixedly connected with the corresponding first flat plate (47), and the other end of each vertical supporting spring is fixedly connected with the corresponding second flat plate (45).
2. The sludge treatment system of claim 1, wherein: the sludge attaching shell (60) is formed by regularly connecting a plurality of inclined connecting plates (62), a plurality of outwards convex arc-shaped plates (61) and a plurality of inwards concave arc-shaped plates (63), and the outwards convex arc-shaped plates (61) and the inwards concave arc-shaped plates (63) are alternately arranged through the inclined connecting plates (62).
3. A sludge treatment system as claimed in claim 2, wherein: a weed filtering layer (17), a solid particle filtering layer (18) and a water seepage layer (19) are arranged in the sludge filtering and water seepage tank (4) from top to bottom, the sludge filtering and water seepage tank (4) is divided into a weed filtering tank (20), a solid particle filtering tank (21), a sludge temporary storage tank (22) and a water storage tank (23) by the weed filtering tank (20) and the solid particle filtering tank (21) which are all communicated with an impurity recovery box (5), the conveying starting end of the second spiral conveyor (8) is connected with the inner bottom of the sludge temporary storage tank (22), and a water circulating conveying device capable of conveying water in the water storage tank to the sludge diluting and stirring machine (3) is arranged on the side surface of the water storage tank (23);
impurity ejecting mechanism includes motor (27), two screw rods (26) that connect through the belt drive and weeds ejector plate (24) and solid particle ejector plate (25) of difference threaded connection on two screw rods (26), the end of screw rod (26) is provided with travel switch (15), weeds ejector plate (24) are located weeds filtering ponds (20), solid particle ejector plate (25) are located solid particle filtering ponds (21), motor (27) can drive two screw rods (26) synchronous rotation to drive weeds ejector plate (24) and solid particle ejector plate (25) synchronous motion respectively with weeds in weeds filtering ponds (20) and the solid particle in solid particle filtering ponds (21) pushes away in impurity collection box (5).
4. A sludge treatment system as claimed in claim 3, wherein: the water seepage layer (19) is formed by laying filter cloth on the upper surface of the filter plate; the water circulation conveying device comprises a water return pipe (6) and a return pump (7) arranged on the water return pipe (6), one end of the water return pipe (6) is communicated with the inner bottom of the water storage tank (23), and the other end of the water return pipe extends to the sludge input end of the sludge dilution stirring machine (3).
5. The method for operating a sludge treatment system according to claim 4, wherein: the method comprises the following specific steps:
the method comprises the following steps: adding a proper amount of clear water into the sludge filtering and seepage tank (4) to be stored into a water storage tank (23), wherein the water surface does not exceed the lower layer surface of a seepage layer (19), so that the sludge in the sludge temporary storage tank (22) is ensured not to be contacted;
step two: starting a first screw conveyor (2), conveying a proper amount of original sludge into a sludge diluting stirrer (3), starting a reflux pump (7), pumping a proper amount of clear water into the sludge diluting stirrer (3), and then starting the sludge diluting stirrer (3) to dilute and stir the sludge;
step three: after sludge is diluted and stirred uniformly, the diluted sludge is poured into a sludge filtration and seepage pool (4) for weed filtration, solid particle filtration and seepage of the sludge, and the filtered and seeped sludge is stored in a temporary sludge storage pool (22);
step four: starting a motor (27), synchronously moving a weed pushing plate (24) and a solid particle pushing plate (25) to respectively push weeds in a weed filtering tank (20) and solid particles in a solid particle filtering tank (21) into an impurity recovery box (5), and then resetting the weed pushing plate (24) and the solid particle pushing plate (25);
step five: starting a second screw conveyor (8), slowly conveying the sludge in the sludge temporary storage tank (22) to an inverted conical feeding cover (31), then dropping the sludge from the inverted conical feeding cover (31) onto a sludge attachment shell (60) and beginning to diffuse, and closing the second screw conveyor (8) after the sludge is diffused to a sludge attachment surface of the whole sludge attachment shell (60);
step six: starting a heating furnace (13) to heat a heating pipe (12), then starting an air suction pump (11) to suck outside air into the heating pipe (12) for heating, then diffusing hot air into a hot air gathering chamber (36) through a hot air guide pipe (10), blowing the hot air to a sludge attaching shell (60) from an air guide cavity of a transverse conical air guide piece (50), and air-drying sludge attached to the sludge attaching shell;
step seven: the sludge attached to the sludge attaching shell (60) is air-dried to form soil blocks similar to the sludge attaching shell (60) in shape, at the moment, the vibration motor (46) is started to vibrate the soil blocks to form soil particles, and the soil particles fall into the inverted cone-shaped discharging cover (32) and fall from the outlet of the inverted cone-shaped discharging cover to the conveying device (14) to be conveyed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619369.9A CN108793670B (en) | 2018-06-15 | 2018-06-15 | Sludge treatment system and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810619369.9A CN108793670B (en) | 2018-06-15 | 2018-06-15 | Sludge treatment system and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108793670A CN108793670A (en) | 2018-11-13 |
| CN108793670B true CN108793670B (en) | 2021-05-28 |
Family
ID=64086477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810619369.9A Active CN108793670B (en) | 2018-06-15 | 2018-06-15 | Sludge treatment system and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108793670B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109619052B (en) * | 2018-12-06 | 2022-05-10 | 辰溪县凤凰山生态农业开发有限公司 | Loach processing equipment with mud-water separation function |
| CN111170613A (en) * | 2020-01-15 | 2020-05-19 | 重庆工业职业技术学院 | Quick dewatering machine for breeding excrement |
| CN114804554A (en) * | 2022-04-01 | 2022-07-29 | 安徽理工大学 | Waste slurry curing device and slurry curing method |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06210300A (en) * | 1993-01-20 | 1994-08-02 | Tsutomu Moriya | Dehydration by electric permeation and device therefor |
| CN1948193A (en) * | 2006-10-30 | 2007-04-18 | 天津大学 | Electric field synergistic mud dewatering method and its device |
| KR100997077B1 (en) * | 2007-11-06 | 2010-11-29 | 김윤하 | Recycling apparatus and method using organic waste |
| CN204097303U (en) * | 2014-09-04 | 2015-01-14 | 南阳鑫子源石油石化技术装备有限公司 | Scraper rotary drum pressure mud machine |
| CN205917159U (en) * | 2016-08-24 | 2017-02-01 | 宁波鑫涌环保技术有限公司 | Fluidized bed mud mummification equipment |
| KR101816693B1 (en) * | 2017-03-02 | 2018-02-21 | 이종욱 | Screw press dehydration system |
| CN207270801U (en) * | 2017-09-11 | 2018-04-27 | 济南大学 | A kind of filter cake dumping device of sludge plate-frame filter press |
| CN207451787U (en) * | 2017-09-30 | 2018-06-05 | 自贡市大安区庙坝镇肉牛养殖协会 | A kind of sewage purifying and treating device used for aquiculture |
| CN108043055B (en) * | 2017-12-11 | 2020-09-11 | 江西省萍乡市南坑高压电瓷厂 | A mud atomization drying equipment for electroceramic production |
-
2018
- 2018-06-15 CN CN201810619369.9A patent/CN108793670B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108793670A (en) | 2018-11-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108793670B (en) | Sludge treatment system and working method thereof | |
| CN204848626U (en) | Cowshed excrement and urine recovery processing device | |
| CN207958104U (en) | A kind of equipment for separating liquid from solid of livestock and poultry feces | |
| CN107883713B (en) | A kind of dynamic energy-saving tea leaves dewatering device | |
| CN108862815A (en) | Dry-wet separation sewage treatment device | |
| CN111871050A (en) | Sewage filtering treatment equipment | |
| CN102389130B (en) | Clam cooking and shell-meat separating integrated apparatus | |
| CN208732842U (en) | A kind of separating dry space from moist space sewage-treatment plant | |
| CN204640856U (en) | Squash type pig farm blowdown waste liquid equipment for separating liquid from solid | |
| CN210292636U (en) | Medicine intermediate raw material drying device | |
| CN206715571U (en) | A kind of wood-based plate cyclone separator exhaust gas processing device | |
| CN206783507U (en) | A kind of excrement material dewaterer | |
| CN209669038U (en) | Rabbit excrement automatic conveying device | |
| CN104973746B (en) | A kind of thickened sludge dewaterer | |
| CN105010220A (en) | Water treatment method for circualting water land-based aquaculture | |
| CN216890484U (en) | Fishery circulating water treatment system | |
| CN205170440U (en) | Sludge recovery device in sewage | |
| CN212895653U (en) | Production system for mica slurry chemical preparation method | |
| CN211141701U (en) | Corrugated paper pulp processing system | |
| CN106477844A (en) | A kind of excrement material dewaterer | |
| CN107152863B (en) | A kind of exclusion device, drying bed and impurity-removing method | |
| CN110523699A (en) | The technique and equipment of RDF purification in a kind of composting | |
| CN221109176U (en) | Quinoa washing equipment | |
| CN218755367U (en) | Sludge treatment dewatering device | |
| CN217025735U (en) | Vertical carousel copper-containing sludge drying device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210513 Address after: Room 504, 1623 Hualong Road, Licheng District, Jinan City, Shandong Province Applicant after: SHANDONG YONGNENG ENERGY-CONSERVING & ECO-FRIENDLY SERVICES HOLDING Corp. Address before: 226000 science and Technology Innovation Park, Chongchuan District, Chongchuan District, Nantong City, Jiangsu Province Applicant before: Cui Yunhua |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |