CN109231756A - One kind being used for sludge desiccation processing equipment - Google Patents
One kind being used for sludge desiccation processing equipment Download PDFInfo
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- CN109231756A CN109231756A CN201811430663.1A CN201811430663A CN109231756A CN 109231756 A CN109231756 A CN 109231756A CN 201811430663 A CN201811430663 A CN 201811430663A CN 109231756 A CN109231756 A CN 109231756A
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- Prior art keywords
- sludge
- shell
- drying
- dehydration
- mesh
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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
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/033—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment comminuting or crushing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/04—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment drying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/001—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals for sludges or waste products from water treatment installations
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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
- C02F2303/00—Specific treatment goals
- C02F2303/10—Energy recovery
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2201/00—Pretreatment
- F23G2201/20—Dewatering by mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/12—Sludge, slurries or mixtures of liquids
Abstract
Sludge desiccation processing equipment is used for the invention discloses a kind of, comprising: sludge conveyer, sludge dehydration device, sludge drying device, waste-heat recovery device, emission-control equipment and automatic control device；Sludge is equipped with shaftless spiral shell auger conveyor through conveying device, and sludge is sent to dehydration device feed inlet；Sludge dehydration device is equipped with horizontal type shell, in the inner cavity of horizontal type shell, equipped with three groups of mesh belt dewatering deliveries, three groups of drainage collection devices, multiple cam vibrating mechanisms and blowdown conveying device, the sludge after dehydration device desiccation connects sludge drying device feed inlet by pipeline；Sludge drying device is equipped with upright shell, and three groups of sludge agitation drying units, twin shaft multitool crushing device and flue group are provided in upright shell.Exhaust gas in sludge dehydration device connects emission-control equipment by pipeline, and sludge dehydration device heat source connect sludge drying device in a manner of pipe with by waste-heat recovery device；Automatic control device is separately connected and controls each device.The invention has the advantages that sludge dewatering drying efficiency is high, desiccation is uniformly good, operation energy consumption is low, operates easy to maintenance.
Description
Technical field
The present invention relates to drying sludge processing equipments, more particularly to one kind to be used for sludge desiccation processing equipment.
Background technique
With the quickening of Urbanization in China, municipal sewage treatmentization is improved, and produces a large amount of sludge, sludge conduct
By-product in wastewater treatment process, water content are up to 95%~98%, and containing Polychlorinated biphenyls and heavy metal etc. it is various it is toxic, have
Evil substance, greatly threat people's lives and health.
Mainly have three ways, such as landfill, compost to the processing mode of sludge at present and burn, the sludge of landfill is soaked through rainwater
Steeping oneself-meeting makes poisonous and harmful substances permeate the ground layer, polluted underground water, and the sludge that is landfilled of landfill yard landfill regulation is aqueous
Must not measure and be higher than 60%, thus sludge is subjected to landfill disposal and is limited by more；Using composting mode to sludge at
Reason, compost foul smell is larger, greatly affected the environment of surrounding；Relative to Sludge landfill, compost treatment, sludge is burned
Processing has many advantages, such as that volume reduction, weight-loss ratio are high, processing speed is fast, innoxious thorough, be processing sludge effective practical technique it
One, and sludge is handled using burning mode, it is stable to burn the generation that the organic component in sludge can be all carbonized
Inorganic matter, the residue odorless sterile after burning is harmless, and volume can reduce 60%, and the residue after burning can be used to brickmaking, production
Cement additive etc., although most thorough, maximum volume reduction may be implemented in sludge incineration, but the water content of sludge is up to
95%~98%, it is higher that burning energy consumption is directly carried out to it, it is therefore desirable to drying and other treatment first be carried out to sludge.
Summary of the invention
The technical issues of solving needed for of the invention is: provide that a kind of sludge dewatering drying efficiency is high and drying sludge it is uniform
Good one kind is used for sludge desiccation processing equipment, promotes the treatment effeciency of sludge, saves energy consumption.
To solve the above problems, the technical solution adopted by the present invention is that: described one kind is used for sludge desiccation processing equipment,
It include: sludge conveyer, sludge dehydration device, sludge drying device, waste-heat recovery device, emission-control equipment and automatic control
Device processed；Through conveying device by sludge dehydration device feed inlet, the sludge after dehydration device desiccation is connected sludge by pipeline
Sludge drying device feed inlet, the waste vapour in sludge dehydration device connect emission-control equipment by pipeline with waste water, and sludge is de-
Water installations heat source connect sludge drying device in a manner of pipe with by waste-heat recovery device；Automatic control device is separately connected simultaneously
Control each device.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein sludge conveyer shell is equipped with:
It is placed in shell one end upper feed inlet, is placed in shell other end bottom discharge port；Enclosure interior is equipped with shaftless screw, hull outside
Equipped with reduction gearbox and driving motor, shaftless screw is connected with reduction gearbox output shaft.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein to be set on the shell of sludge dehydration device
Have: being placed in the dehydration feed inlet and exhaust gas discharge port of housing tip, be placed in the discharge port of horizontal type shell bottom end；Inside horizontal type shell
Be equipped with: three groups of mesh belt dewatering deliveries, three groups of drainage collection devices, each net belt conveying apparatus are set to shell by bracket
In inner cavity, each mesh belt dewatering delivery is driven by driving device respectively, is equipped with discharge port in housing bottom, and sludge is from de-
Water feed inlet is fallen on the mesh belt dewatering delivery of top layer after entering, and then passes sequentially through each mesh belt from top to bottom
From dehydration discharge port output after dewatering delivery dehydration；It is respectively corresponded in each mesh belt dewatering delivery and is provided with one group of filter
Water collecting device, the moisture in sludge come together in corresponding drainage collection device after permeating downwards by each mesh belt dewatering delivery
In；In the intracavity bottom of shell it is additionally provided with blowdown conveying device, is provided in housing bottom and is connected with the inner cavity of shell
Sewage draining exit, the band sewage sludge being scattered in shell can be exported by blowdown conveying device from sewage draining exit.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein to be set on the shell of sludge drying device
Have: being placed in the drying feed inlet and off-gas recovery mouth of housing tip, drying feed inlet is connected with dehydration discharge port；It is placed in shell
Dry discharge port in bottom；Drying enclosure interior is equipped with: three groups of sludge agitation drying units, main shaft are vertically arranged in shell, main
The upper end of axis is stretched out outside shell after sequentially passing through the through-hole on each group stirring and drying device from bottom to up from the through-hole of shell upper end,
The main shaft stretched out outside shell is connected with driving device, and sludge passes sequentially through each group dirt after entering from drying feed inlet from top to bottom
From drying discharge port output after mud stirring and drying device；It is set on the main shaft being located at below lowest level sludge agitation drying unit
Have: two groups of sludge crushing devices；It is equipped in the shell below sludge agitation drying unit: flue group, high-temperature gas energy
Entered in shell by flue group and flowed from bottom to top, sequentially passed through after each sludge agitation drying unit from flue gas discharge port
Discharge, flue gas discharge port are connect with waste-heat recovery device.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein the knot of every group of mesh belt dewatering delivery
Structure are as follows: drive sprocket axle and driven chain wheel shaft pass through first bearing seat supports respectively and are set on bracket, drive sprocket axle and from
Movable sprocket axis is located at the both ends of housing cavity, is respectively arranged with first drive chain in the front and rear sides of drive sprocket axle
Wheel is respectively arranged with first driven sprocket in the front and rear sides of driven chain wheel shaft, the front side edge of chain row is wound in be located at before
On the first drive sprocket and the first driven sprocket of side, the back side edge of chain row is wound in the first drive sprocket and the positioned at rear side
On one driven sprocket, the upper surface of chain row is the loading end for carrying sludge, and mesh belt is wound on chain row, and the moisture in sludge can lead to
Infiltration, drive sprocket axle are driven by dehydration driving device downwards by the mesh crossed on mesh belt and chain row.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein the structure of every group of drainage collection device
Are as follows: water accumulating disc is provided on bracket, water accumulating disc is located in the gap between the upper and lower surfaces of corresponding chain row, in ponding
Disc side is provided with several discharge outlet being connected with the inner cavity of water accumulating disc and spray head, and each spray head passes through water pipe and water source phase
Connection, each discharge outlet are connected with discharge pipe line respectively.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein if being provided in water accumulating disc bottom interval
Dry camshaft, each camshaft pass through second bearing seat supports respectively and are set to ponding pan bottom, be respectively set on each camshaft
There is cam, the following table face contact of the outer surface of each cam and the chain row for being wound with mesh belt is respectively arranged on each camshaft
First sprocket wheel, the first chain are wound on each first sprocket wheel, and the is provided on a certain camshaft being located at below drive sprocket
Two driven sprockets, are additionally provided with the second drive sprocket on drive sprocket axle, the second chain be wound in the second drive sprocket axle and
On second driven sprocket, each cam can push up upwardly the following table for the chain row for being wound with mesh belt under the driving of dehydration driving device
It rises or it is made to hang under gravity, so that the sludge adhered on mesh belt be kicked down.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein the structure of blowdown conveying device are as follows: row
Dirty screw rod both ends are set to the bottom of housing cavity by 3rd bearing seat supports, and blowdown screw rod is driven by spiro driving device；
It is respectively arranged with the guide plate being obliquely installed in the front side of blowdown screw rod and rear side, guide plate is able to guide band sewage sludge and collects
To blowdown screw rod；The sewage draining exit is made of sludge outlet and exhaust outlet, and sludge outlet is located at the discharge of blowdown screw rod
The lower section at end, exhaust outlet are connected with emission-control equipment, and dehydration and drying gas enters each to being located in inner cavity from housing bottom
Sludge on mesh belt dewatering delivery by exhaust outlet enters emission-control equipment after being dried.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein the knot of every group of sludge agitation drying unit
Structure are as follows: in the housing from being arranged at intervals with the umbrella shape mesh plate with mesh and the inverted umbrella mesh plate with mesh, umbrella shape mesh plate
Edge and the edge of inverted umbrella mesh plate be respectively fixedly disposed on housing cavity wall, umbrella shape mesh plate is located at inverted umbrella mesh
The top of plate is provided with several through holes up and down in umbrella shape mesh plate edge, and each through hole aperture is greater than umbrella shape net
Mesh aperture on orifice plate is provided with the upper through-hole passed through for main shaft, in the middle part of inverted umbrella mesh plate in the middle part of umbrella shape mesh plate
It is provided with the lower through-hole passed through for main shaft, when the interspersed setting of main shaft is in upper through-hole and lower through-hole, between main shaft and upper through-hole
Spacing is less than the aperture of each through hole, and the spacing between main shaft and lower through-hole is greater than mesh aperture on inverted umbrella mesh plate；In umbrella
It is fixedly installed upper scraping plate on main shaft above shape mesh plate, is scraped under being fixedly installed on the main shaft above inverted umbrella mesh plate
Plate, when the second driving device driving spindle rotates, sludge that upper scraping plate can will collect in the middle part of from umbrella shape mesh plate to each through hole
Stirring and drying is then fallen on inverted umbrella mesh plate edge from each through hole, lower scraping plate on the upper surface of umbrella shape mesh plate
Can by along the drying of sludge agitation that umbrella shape mesh plate edge collects to lower through-hole on the upper surface of inverted umbrella mesh plate, then from
Lower through-hole is fallen downwards.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein flue group includes the first fume pipe
Road group and the second flue group, the first flue group and the second flue group are symmetrically distributed in the two of housing cavity respectively
Side；First flue group is made of at least three first flues, and outside lateral bending is distinguished in the upper end of each first flue
Folding makes internal chamber wall of the exhanst gas outlet thereon towards shell；Second flue group is made of at least three second flues,
Bending makes internal chamber wall of the exhanst gas outlet thereon towards shell outward respectively for the upper end of each second flue.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein the sludge crushing device is twin shaft
Multitool feed-crushing device.
Further, above-mentioned a kind of for sludge desiccation processing equipment, the waste-heat recovery device is high-temperature steam
Recycle boiler.
Further, above-mentioned a kind of for sludge desiccation processing equipment, wherein the emission-control equipment is spray
Formula emission-control equipment.
The beneficial effects of the present invention are: (one) sludge to be processed passes sequentially through sludge conveyer, which uses nothing
Axis helical feed, screw processing is integrally formed using special process, bearing-free in delivery chute, it is ensured that sludge is delivered to out glibly
Material mouth is even into mesh belt dewatering delivery；(2) sludge enters in horizontal type shell inner cavity from feed inlet, is laid in each mesh belt
Drainage is carried out on dewatering delivery, while high-temperature gas enters in shell from first charging aperture, the dehydration of each mesh belt is defeated to being located at
The sludge on device is sent to be preheated, the partial moisture in sludge is collected to correspondence after permeating by each mesh belt dewatering delivery
In drainage collection device, partial moisture and high-temperature gas heat exchange are evaporated, and the dehydration for thus substantially increasing sludge in shell is dry
The uniformity of dry efficiency, drying sludge is good；(3) respectively arranged in each ponding pan bottom being located among upper and lower transporting reticulation belt
Several cams kick down the sludge adhered on mesh belt, prevent sludge from blocking the mesh of mesh belt, guarantee that the moisture in sludge can be smoothly
It is permeated downwards by the mesh on mesh belt；(4) it can will be dehydrated from each mesh belt in the blowdown conveying device of horizontal type shell bottom setting
Being discharged outside shell in conveying device and drainage collection device with sewage sludge and the sludge being scattered in shell, avoids the occurrence of band
Sewage sludge is piled up in the phenomenon that housing bottom；(5) it in the sludge agitation drying unit of drying shell setting, can be effectively reduced
The speed that sludge is fallen downwards, and the area that sludge is contacted with high-temperature gas can be substantially increased, thus enable sludge preferably with
High-temperature gas comes into full contact with drying, substantially increases the drying efficiency and uniformity of sludge；(6) in sludge agitation drying unit
The sludge crushing device of lower section setting, state that can be almost the same to size by sludge crushing after drying, swimmingly convenient for sludge
Into lower road burning facility, processing effect is improved；(7) outside in the upper end difference of two groups of flues of drying housing bottom
Lateral bending folding makes internal chamber wall of the exhanst gas outlet thereon towards shell, can be avoided the sludge for occurring falling downwards in this way and falls into each cigarette
In feed channel, to block each first flue and each second flue phenomenon, guarantee drying sludge tower each cigarette when working
Feed channel is unblocked, improves sludge drying effect；(8) by sludge conveyer, sludge dehydration device, sludge drying device
Low energy consumption, high-efficient for the sludge drying treatment system constituted with control system, greatly reduces processing cost and operating cost,
And it is easy to operate and maintain, conveniently.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram for sludge desiccation processing equipment of the present invention.
Fig. 2 is the structural schematic diagram of sludge conveyer in Fig. 1.
Fig. 3 is the structural schematic diagram of sludge dehydration device in Fig. 1.
Fig. 4 is the schematic diagram of internal structure of right view direction in Fig. 3.
Fig. 5 is the structural schematic diagram of sludge drying device in Fig. 1.
Specific embodiment
With reference to the accompanying drawing and preferred embodiment further details of the technical solution described in the present invention.
As shown in Figure 1, one kind described in the present embodiment is used for sludge desiccation processing equipment, comprising: sludge conveyer 1,
Sludge dehydration device 2, sludge drying device 3, waste-heat recovery device 4, emission-control equipment 5 and automatic control device 6；Sludge is defeated
Device 1 is sent to be equipped with sludge discharge hole 11, discharging connects sludge dehydration device 2 by pipeline；Sludge dehydration device 2 be equipped with sludge into
Material mouth 21, sludge discharge hole 22, exhaust gas inlet port 23, exhaust-gas treatment mouth 24, blowdown discharge port 25, wherein on sludge dehydration device
Feed inlet 21, discharge port 22, respectively pass through pipeline connect sludge conveyer 1 sludge discharge hole 11 and sludge drying device
3 sludge inlet 31, exhaust gas inlet port 23 on sludge dehydration device connect waste-heat recovery device 4 by pipeline, at exhaust gas
Mouth 24 and blowdown discharge port 25 is managed to lead to and emission-control equipment 5 respectively；Sludge drying device 3 is equipped with sludge inlet 31, sludge
The sludge inlet 21 of the connection sludge dehydration device 2 of feed inlet 31；Waste-heat recovery device 4 is that high-temperature steam recycles boiler, exhaust gas
Processing unit 5 is spraying waste gas treatment device；Automatic control device 6 is separately connected and controls above-mentioned each device.
As shown in Fig. 2, the sludge conveyer 1 in the present embodiment, comprising: support base 12, sealing U-shaped tank body 13 crouch in branch
It supports on seat 12, is equipped with shaftless screw body 14 in 13 inner cavity of tank body, shaftless screw body 14 connects feed drive device 15, dirt to be processed
Mud is driven by conveying decelerating motor 15, and sludge is conveyed discharge port 11 by shaftless screw body 14.
As shown in Figure 3 and Figure 4, the shell of sludge dehydration device 2 is round thermal-insulating type outer housing in the present embodiment, in shell
It is equipped with: being placed in the sludge inlet 21 and waste gas outlet 24 of housing tip, be placed in housing bottom sewage draining exit 22, exhaust gas inlet 23
And blowdown discharge port 25；The inside of the shell is equipped with: being provided with three groups of mesh belt dewatering deliveries 26 and right with it from top to bottom
Three groups of drainage collection devices 27 should be set, and each mesh belt dewatering delivery 26 is driven by a first driving device respectively, sludge
It falls on the mesh belt dewatering delivery 26 of top layer, then passes sequentially through from top to bottom each after the entrance of feed inlet 21
Exported after 26 drainage of mesh belt dewatering delivery from discharge port 22, the moisture content in sludge by each mesh belt dewatering delivery 26 to
It is come together in after lower infiltration in corresponding drainage collection device 27；It is defeated that blowdown is additionally provided in the bottom of the shell of sludge dehydration device 2
Device 28 is sent, the band sewage sludge being scattered in shell can be exported by blowdown conveying device 28 from sewage draining exit 22；In shell
Bottom of chamber portion is provided with guide rail 29, frame bottom is provided with several idler wheels 30 matched with guide rail 29, bracket can pass through each rolling
Wheel 29 moves on guide rail 30.
As shown in Figure 3 and Figure 4, every group of mesh belt dewatering delivery 26 is chain-arranged type mesh-belt conveying, mesh belt in the present embodiment
261 materials are stainless steel, and mesh belt 261 is mounted on installation frame 262, and three groups of mesh belt dewatering deliveries are ladder-like at being staggered,
The driving wheel 263 and driven wheel 264 of every group of mesh belt dewatering delivery are separately mounted on 261 installation frame 262 of mesh belt, chain row
Upper surface be carry sludge loading end, mesh belt 261 be wound in chain row on, the moisture in sludge can be by mesh belt 261
Mesh and crawler belt permeate downwards；Drive sprocket axle 265 is driven by driving device, the structure of the driving device are as follows: in bracket
On be provided with first reducing motors 266, the output shaft of first reducing motors 266 passes through transmission device and 265 phase of drive sprocket axle
Connection, transmission device use chain conveyer.
As shown in Figure 3 and Figure 4, in the present embodiment every group of drainage collection device 27 structure are as follows: product is provided on bracket
Water pond 271, water accumulating disc 271 are located in the gap between the upper and lower surfaces of corresponding chain row, are arranged in 271 side of water accumulating disc
The discharge outlet 273 and spray head for having several inner cavities with water accumulating disc 271 to be connected, each spray head are connected by water pipe with water source
It connects, each discharge outlet 273 is connected with discharge pipe line respectively.Several v-depressions being inwardly recessed are provided in water accumulating disc 271
272, each discharge outlet 273 is respectively arranged at 271 side of water accumulating disc being located at the slot bottom of corresponding v-depression 272, each spray head, each
Between the setting of discharge outlet 273 and each v-depression 272, the drainage being able to guide in water accumulating disc 271 and transmission mesh belt mesh and chain row
The sludge leaked in gap is collected to the slot bottom of each v-depression 272, and is discharged outside water accumulating disc 271 by discharge outlet 273.This implementation
271 bottom interval of water accumulating disc is provided with several camshafts in example, each camshaft passes through second bearing seat supports respectively and is set to
271 bottom of water accumulating disc, is respectively arranged with cam 274 on each camshaft, the outer surface of each cam 274 and is wound with mesh belt
The following table face contact of chain row, each cam 274 can will be wound under the driving of corresponding first reducing motors 266 by transmission mechanism
The following table of the chain row of mesh belt jacks up upwardly or it is made to hang under gravity, thus the sludge bullet that will adhere on mesh belt
It falls.
As shown in Figure 3 and Figure 4, the structure of blowdown conveying device described in the present embodiment 28 are as follows: 281 both ends of blowdown screw rod
The bottom of housing cavity is set to by bearing seat supports, blowdown screw rod 281 is by the blowdown decelerating motor to be arranged on shell
26, blowdown screw rod 281 is driven by decelerating motor 282, will be discharged with sewage sludge by sewage draining exit 25, and defeated by pipeline feeding sludge
Device 1 is sent to reprocess.
As shown in Figure 1 and Figure 5, sludge drying device described in the present embodiment, comprising: vertically arranged high-temperature-resistant thermal-insulation shell
Body 33 is provided with drying feed inlet 31 at the top of shell 33；Three groups of sludge agitations are provided with from top to bottom in shell 33 to dry
Equipment for drying 34, in the present embodiment, vertically arranged main shaft 35, the upper end of main shaft 35 sequentially pass through each group from bottom to up in shell 33
It is stretched out outside shell 33 after through-hole on stirring and drying device 34, stretches out the main shaft 35 outside shell 33 with setting in top decelerating motor
36 output shafts are connected by chain conveyer and drive driving.Sludge passes sequentially through each group sludge after the entrance of feed inlet 31 from top to bottom and stirs
It mixes after drying unit 34 from discharge port output；It is provided with being located at below lowest level sludge agitation drying unit 34 by sludge crushing
Device 37, the structure of crushing device described in the present embodiment are as follows: be twin shaft multitool feed-crushing device.It is dirty being located at lowest level
Flue group 38 is additionally provided in the inner cavity of the shell 33 of the lower section of mud stirring and drying device 34, high-temperature gas can pass through flue gas
Pipeline group 38 enters in the inner cavity of shell 33 and flows from bottom to top, sequentially passes through each sludge agitation drying unit 34 and dries sludge
Dry, remaining flue gas is exported from discharge port 32, and inputs waste-heat recovery device 4 by pipeline.
The structure of sludge agitation drying unit 34 described in the present embodiment are as follows: be arranged at intervals in the inner cavity of shell 33
Umbrella shape mesh plate 341 with mesh and the inverted umbrella mesh plate 342 with mesh, the edge and inverted umbrella net of umbrella shape mesh plate 341
The edge of orifice plate 342 is respectively fixedly disposed on the internal chamber wall of shell 33, is provided in 341 edge of umbrella shape mesh plate several big
Through-hole in 341 aperture of umbrella shape mesh plate, main shaft 35 is interspersed to be arranged on umbrella shape mesh plate 341 through-hole and inverted umbrella mesh plate
In 342 lower through-holes；It is fixedly installed upper scraping plate 343 on main shaft 35 above umbrella shape mesh plate 341, in inverted umbrella mesh plate
Lower scraping plate 344, when decelerating motor 36 driving spindle 35 in top rotates, upper scraping plate 343 are fixedly installed on the main shaft 35 of 342 tops
The sludge agitation at 341 middle part of umbrella shape mesh plate can be will fall off to dry on the upper surface of umbrella shape mesh plate 341, sludge is along umbrella shape
The upper surface of mesh plate 341 is collected to each through hole and from the edge that each through hole falls to inverted umbrella mesh plate 342, under scrape
Plate 344 can will fall off the sludge agitation drying at 342 edge of inverted umbrella mesh plate on the upper surface of inverted umbrella mesh plate 342,
Sludge collects to lower through-hole along the upper surface of inverted umbrella mesh plate 342 and falls downwards from lower through-hole.Described in the present embodiment
Flue group 38 includes the first flue group and the second flue group, and be respectively symmetrically distributed in the inner cavity of shell 33
Two sides.The pipeline structure that first flue group described in the present embodiment and the second flue group are set side by side by five respectively
At, and bend the internal chamber wall towards shell 33 outward respectively.In actual use, the discharge port of sludge drying device 3
It is connected with burner, the sludge fallen from sludge drying device 3, which is fallen into burner, to be burned, and the flue gas for burning generation is made
It, can be by the uniform flash baking of sludge for the high-temperature gas for entering 33 inner cavity of shell.
One kind described in the present embodiment is used for sludge desiccation processing equipment, in sludge dehydration device 2, sludge drying device
Observation panel and maintenance overhaul mouth are set on 3, in sludge dehydration device 2, sludge drying device waste-heat recovery device 4, exhaust-gas treatment
It is additionally provided with several temperature sensors, pressure sensor and safety valve on each shell of device 5, is divided by automatic control device 6
The parameter of above-mentioned each instrument is not connected and controlled, and controls whole device operating status.
Working principle of the present invention is as follows:
It is to be processed to be driven by conveying decelerating motor 15 in sludge conveyer 1, sludge is conveyed by shaftless screw body 14 and is discharged
Mouth 11, and 26 first of upper wire with dewatering delivery are fallen to by the feed inlet 21 that pipeline is sent into sludge dehydration device 2
Sludge upstream end, upper wire are transmitted under the driving of corresponding decelerating motor with dewatering delivery 26 by sludge to the first sludge
Output end, during transmission, the moisture content in sludge penetrate mesh belt 261 and chain in three groups of mesh belt dewatering deliveries respectively
Row's infiltration downwards, the drainage of infiltration comes together in the water accumulating disc 271 in three groups of mesh belt dewatering deliveries, at this time to sludge
Drainage operation three times is carried out, while can will be dirty under the exhaust gas effect that waste-heat recovery device 4 is input to 2 inner cavity of sludge dehydration device
Moisture evaporation in mud, to high water content sludge drying and dehydrating.Then it is exported from the sludge of lowest level mesh belt dewatering delivery 26
The sludge discharge hole 22 of output, drying feed inlet 31 is held to enter in 33 inner cavity of shell, sludge, which is fallen in 33 inner cavity of shell, to be arranged
Three groups of stirring and drying devices 34, pass sequentially through the upper scraping plate 343 and lower scraping plate 344 in three groups of stirring and drying devices 34, respectively
It will fall off the sludge agitation at 342 middle part of umbrella shape mesh plate 341 and inverted umbrella mesh plate to dry in the table of respective umbrella shape mesh plate
On face, then sludge is fallen downwards, from the second discharge port output after sludge crushing device 37.In sludge from sludge drying device
While 3 feed inlets 31 enter, high-temperature gas flows from bottom to top from through the entrance shell 33 of flue group 28, successively wears
Sludge is dried to after sludge heat exchange after crossing each sludge agitation drying unit 34, is discharged outside shell by exhaust outlet 32.
The invention has the advantages that (one) sludge to be processed is by sludge conveyer 1, it is integrally formed in tank body 13
Under shaftless screw body 14 conveys, sludge can be delivered to discharge port glibly, even into sludge dehydration device 2；(2) sludge
Feed inlet 21 is dehydrated by sludge dehydration device to enter in horizontal type shell inner cavity, it is evenly laid out in each mesh belt dewatering delivery 26
Upper carry out drainage, while high-temp waste gas enters in horizontal type shell inner cavity from exhaust gas inlet 23, fills to the dehydration conveying of each mesh belt is located at
The sludge set on 26 is preheated, and the partial moisture in sludge is collected to correspondence after permeating by each mesh belt dewatering delivery 26
In drainage collection device 27, partial moisture and high-temperature gas heat exchange are evaporated, and thus substantially increase the de- of sludge dehydration device
The uniformity of water drying efficiency, drying sludge is good；(3) the respectively arranged several cams 274 in each 271 bottom of water accumulating disc can be with
Chain is arranged the sludge adhered on the mesh belt on lower surface to kick down, prevents sludge from blocking the mesh of mesh belt, guarantees the moisture in sludge
The mesh that can be passed through on mesh belt permeates downwards；(4) it can be incited somebody to action in the blowdown conveying device 28 of horizontal type shell intracavity bottom setting
Leaked from each mesh belt dewatering delivery 26 and drainage collection device 27 with sewage sludge and be scattered in housing cavity
Shell is discharged in sludge, avoids the occurrence of the phenomenon that band sewage sludge is piled up in housing bottom；(5) in the setting of drying 33 inner cavity of shell
Sludge agitation drying unit can substantially reduce the speed that sludge is fallen downwards, and increase the face that sludge is contacted with high-temperature gas
Product, so that sludge be enable preferably to come into full contact with heat exchange with high-temperature gas, thus improve drying sludge tower drying efficiency and
The uniformity of drying sludge；(6) the sludge crushing device being arranged below sludge agitation drying unit, can be by sludge after drying
It is crushed to the almost the same state of size, lower road burning facility is swimmingly entered convenient for sludge, improves processing effect；(7) it is drying
Dry 33 intracavity bottom of shell setting bends two groups of flues towards the internal chamber wall of shell 33 outward respectively, can keep away in this way
The sludge for exempting to occur falling downwards is fallen into each flue, to block each flue phenomenon, guarantees drying sludge tower work
Each first flue and each second flue are unblocked when making, and improve sludge drying effect；(8) it is conveyed and is filled by sludge
Setting the sludge drying treatment system that 1, sludge dehydration device 2, sludge drying device 3 and control system 6 are constituted, low energy consumption, efficiency
Height, greatly reduces processing cost and operating cost, and easy to operate and maintain, conveniently.
Claims (13)
1. one kind is used for sludge desiccation processing equipment, it is characterised in that: include: sludge conveyer, sludge dehydration device, sludge
Drying unit, waste-heat recovery device, emission-control equipment and automatic control device；Sludge send sludge to dehydration through conveying device
Device feed inlet, the sludge after dehydration device desiccation connect sludge drying device feed inlet, sludge dehydration device by pipeline
In exhaust gas by pipeline connect emission-control equipment, sludge dehydration device heat source with by waste-heat recovery device in a manner of pipe
Connect sludge drying device；Automatic control device is separately connected and controls each device.
2. according to claim 1 a kind of for sludge desiccation processing equipment, it is characterised in that: sludge conveyer shell
It is equipped with: being placed in shell one end upper feed inlet, be placed in shell other end bottom discharge port；Enclosure interior is equipped with shaftless screw,
Hull outside is equipped with decelerating motor, and shaftless screw is connected with decelerating motor shaft.
3. according to claim 1 a kind of for sludge desiccation processing equipment, it is characterised in that: sludge dehydration device crouches
Sandwich type element is equipped with: being placed in the dehydration feed inlet and exhaust gas discharge port of housing tip, is placed in the discharge port of horizontal type shell bottom end；It is sleeping
Be equipped with inside sandwich type element: three groups of mesh belt dewatering deliveries, three groups of drainage collection devices, each net belt conveying apparatus are set up by branch
It is placed in the inner cavity of shell, each mesh belt dewatering delivery is driven by a driving device respectively, is equipped with discharging in housing bottom
Mouthful, sludge from dehydration feed inlet enter after fall on the mesh belt dewatering delivery of top layer, then from top to bottom according to
From dehydration discharge port output after the secondary dehydration by each mesh belt dewatering delivery；It is respectively corresponded in each mesh belt dewatering delivery
It is provided with one group of drainage collection device, the moisture in sludge comes together in correspondence after permeating downwards by each mesh belt dewatering delivery
In drainage collection device；It is additionally provided with blowdown conveying device in the intracavity bottom of shell, is provided with and shell in housing bottom
The sewage draining exit that inner cavity is connected, the band sewage sludge being scattered in shell can be exported by blowdown conveying device from sewage draining exit.
4. according to claim 1 a kind of for sludge desiccation processing equipment, it is characterised in that: sludge drying device is stood
Sandwich type element is equipped with: being placed in the drying feed inlet and off-gas recovery mouth of housing tip, drying feed inlet is connected with dehydration discharge port
It is logical；It is placed in housing bottom drying discharge port；Drying enclosure interior is equipped with: three groups of sludge agitation drying units, main shaft are vertically arranged
In shell, the upper end of main shaft sequentially passes through the through-hole after the through-hole on each group stirring and drying device from shell upper end from bottom to up
Stretch out shell outside, stretch out shell outside main shaft be connected with driving device, sludge from drying feed inlet entrance after from top to bottom according to
From drying discharge port output after the secondary sludge agitation drying unit by each group；It is being located at below lowest level sludge agitation drying unit
It is equipped with: sludge crushing device；Be equipped in the shell below sludge agitation drying unit: flue group, high-temperature gas can lead to
It crosses flue group and enters in shell and flow from bottom to top, arranged after sequentially passing through each sludge agitation drying unit from flue gas discharge port
Out, flue gas discharge port is connect with waste-heat recovery device.
5. according to claim 3 a kind of for sludge desiccation processing equipment, it is characterised in that: every group of mesh belt dehydration conveying
The structure of device are as follows: drive sprocket axle and driven chain wheel shaft pass through first bearing seat supports respectively and be set on bracket, drive chain
Wheel shaft and driven chain wheel shaft are located at the both ends of housing cavity, are respectively arranged with one in the front and rear sides of drive sprocket axle
One drive sprocket is respectively arranged with first driven sprocket, the front side edge winding of chain row in the front and rear sides of driven chain wheel shaft
In on the first drive sprocket and the first driven sprocket for being located at front side, the back side edge of chain row is wound in the first active positioned at rear side
On sprocket wheel and the first driven sprocket, the upper surface of chain row is the loading end for carrying sludge, and mesh belt is wound on chain row, in sludge
Moisture can infiltration, drive sprocket axle be driven by dehydration driving device downwards by mesh on mesh belt and chain row.
6. being used for sludge desiccation processing equipment according to one kind described in claim 3 or 5, it is characterised in that: every group of drainage is collected
The structure of device are as follows: water accumulating disc is provided on bracket, between water accumulating disc is located between the upper and lower surfaces of corresponding chain row
In gap, ponding disc side is provided with several discharge outlet being connected with the inner cavity of water accumulating disc and spray head, each spray head passes through water spray
Pipeline is connected with water source, and each discharge outlet is connected with discharge pipe line respectively.
7. a kind of according to claim 6 be used for sludge desiccation processing equipment, it is characterised in that: in water accumulating disc bottom interval
Several camshafts are provided with, each camshaft passes through second bearing seat supports respectively and is set to ponding pan bottom, on each camshaft
It is respectively arranged with cam, the following table face contact of the outer surface of each cam and the chain row for being wound with mesh belt is divided on each camshaft
It is not provided with the first sprocket wheel, the first chain is wound on each first sprocket wheel, on a certain camshaft being located at below drive sprocket
It is provided with the second driven sprocket, the second drive sprocket is additionally provided on drive sprocket axle, the second chain is wound in second actively
On sprocket shaft and the second driven sprocket, each cam can will be wound with the following table of the chain row of mesh belt under the driving of dehydration driving device
It jacks up upwardly or it is made to hang under gravity, so that the sludge adhered on mesh belt be kicked down.
8. described in accordance with the claim 3 a kind of for sludge desiccation processing equipment, it is characterised in that: the blowdown conveys dress
The structure set are as follows: blowdown screw rod both ends are set to the bottom of housing cavity by 3rd bearing seat supports, and blowdown screw rod is by screw rod
Driving device driving；It is respectively arranged with the guide plate being obliquely installed in the front side of blowdown screw rod and rear side, guide plate can draw
Conduction band sewage sludge is collected at blowdown screw rod；The sewage draining exit is made of sludge outlet and exhaust outlet, sludge outlet position
In the lower section of blowdown screw rod outlet side, exhaust outlet is connected with emission-control equipment, and dehydration and drying gas enters from housing bottom
Exhaust-gas treatment dress is entered by exhaust outlet after the sludge being located on each mesh belt dewatering delivery is dried in inner cavity
It sets.
9. a kind of according to claim 4 be used for sludge desiccation processing equipment, it is characterised in that: every group of sludge agitation drying
The structure of device are as follows: in the housing from being arranged at intervals with the umbrella shape mesh plate with mesh and the inverted umbrella mesh plate with mesh, umbrella
The edge of shape mesh plate and the edge of inverted umbrella mesh plate are respectively fixedly disposed on housing cavity wall, and umbrella shape mesh plate is located to fall
The top of umbrella shape mesh plate is provided with several through holes up and down in umbrella shape mesh plate edge, and each through hole aperture is big
Mesh aperture on umbrella shape mesh plate is provided with the upper through-hole passed through for main shaft, in inverted umbrella net in the middle part of umbrella shape mesh plate
The lower through-hole passed through for main shaft is provided in the middle part of orifice plate, when the interspersed setting of main shaft is in upper through-hole and lower through-hole, main shaft leads to upper
Spacing between hole is less than the aperture of each through hole, and the spacing between main shaft and lower through-hole is greater than mesh hole on inverted umbrella mesh plate
Diameter；It is fixedly installed upper scraping plate on the main shaft above umbrella shape mesh plate, fixation is set on the main shaft above inverted umbrella mesh plate
It is equipped with lower scraping plate, when the second driving device driving spindle rotates, upper scraping plate can will converge in the middle part of umbrella shape mesh plate to each through hole
The sludge agitation collected is dried on the upper surface of umbrella shape mesh plate, then falls to inverted umbrella mesh plate edge from each through hole
On, lower scraping plate can dry the sludge agitation collected along umbrella shape mesh plate edge to lower through-hole in the upper surface of inverted umbrella mesh plate
On, then fallen downwards from lower through-hole.
10. a kind of according to claim 9 be used for sludge desiccation processing equipment, it is characterised in that: the flue
Group includes the first flue group and the second flue group, and the first flue group and the second flue group are respectively symmetrically divided
It is distributed in the two sides of housing cavity；First flue group is made of at least three first flues, each first flue
Bending makes internal chamber wall of the exhanst gas outlet thereon towards shell outward respectively for upper end；Second flue group is by least three
Two flues are constituted, and bending outward makes exhanst gas outlet thereon towards in shell respectively for the upper end of each second flue
Cavity wall.
11. being used for sludge desiccation processing equipment according to one kind described in claim 1 or 4, it is characterised in that:
The sludge crushing device is twin shaft multitool feed-crushing device.
12. being used for sludge desiccation processing equipment according to one kind described in claim 1 or 4, it is characterised in that:
The waste-heat recovery device is that high-temperature steam recycles boiler.
13. being used for sludge desiccation processing equipment according to one kind described in claim 1 or 8, it is characterised in that:
The emission-control equipment is spraying waste gas treatment device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811430663.1A CN109231756A (en) | 2018-11-28 | 2018-11-28 | One kind being used for sludge desiccation processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811430663.1A CN109231756A (en) | 2018-11-28 | 2018-11-28 | One kind being used for sludge desiccation processing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109231756A true CN109231756A (en) | 2019-01-18 |
Family
ID=65074189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811430663.1A Pending CN109231756A (en) | 2018-11-28 | 2018-11-28 | One kind being used for sludge desiccation processing equipment |
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| Country | Link |
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| CN (1) | CN109231756A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626781A (en) * | 2019-01-25 | 2019-04-16 | 徐浩 | A kind of sludge multi-stage recuperation of heat desiccation apparatus |
| CN110054390A (en) * | 2019-06-06 | 2019-07-26 | 夏献云 | A kind of municipal sludge drying processing equipment |
| CN110551549A (en) * | 2019-09-10 | 2019-12-10 | 浙江富春江环保热电股份有限公司 | Device and method for preparing sludge-biomass particle fuel rod |
| CN111285588A (en) * | 2020-03-27 | 2020-06-16 | 李娟� | Low efficient sludge treatment equipment of energy consumption |
| CN111302595A (en) * | 2020-02-28 | 2020-06-19 | 吴迎莉 | Integrated treatment method for treating dredging sludge in river and lake |
| CN112777910A (en) * | 2020-12-18 | 2021-05-11 | 大力(武汉)环保科技有限公司 | Folded plate drying bed, sludge dryer based on folded plate drying bed and wastewater treatment method |
| CN113880387A (en) * | 2021-08-31 | 2022-01-04 | 宜兴市吉尼科技有限公司 | Sludge low-temperature drying system based on cold ablation |
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2018
- 2018-11-28 CN CN201811430663.1A patent/CN109231756A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109626781A (en) * | 2019-01-25 | 2019-04-16 | 徐浩 | A kind of sludge multi-stage recuperation of heat desiccation apparatus |
| CN110054390A (en) * | 2019-06-06 | 2019-07-26 | 夏献云 | A kind of municipal sludge drying processing equipment |
| CN110551549A (en) * | 2019-09-10 | 2019-12-10 | 浙江富春江环保热电股份有限公司 | Device and method for preparing sludge-biomass particle fuel rod |
| CN111302595A (en) * | 2020-02-28 | 2020-06-19 | 吴迎莉 | Integrated treatment method for treating dredging sludge in river and lake |
| CN111285588A (en) * | 2020-03-27 | 2020-06-16 | 李娟� | Low efficient sludge treatment equipment of energy consumption |
| CN111285588B (en) * | 2020-03-27 | 2021-07-13 | 苏州双福智能科技有限公司 | Low efficient sludge treatment equipment of energy consumption |
| CN112777910A (en) * | 2020-12-18 | 2021-05-11 | 大力(武汉)环保科技有限公司 | Folded plate drying bed, sludge dryer based on folded plate drying bed and wastewater treatment method |
| CN113880387A (en) * | 2021-08-31 | 2022-01-04 | 宜兴市吉尼科技有限公司 | Sludge low-temperature drying system based on cold ablation |
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Application publication date: 20190118 |