CN107827334A - A kind of sludge at low temperature heat drying equipment - Google Patents
A kind of sludge at low temperature heat drying equipment Download PDFInfo
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- CN107827334A CN107827334A CN201711284814.2A CN201711284814A CN107827334A CN 107827334 A CN107827334 A CN 107827334A CN 201711284814 A CN201711284814 A CN 201711284814A CN 107827334 A CN107827334 A CN 107827334A
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- cylinder shell
- disk
- sludge
- mud
- air
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- 239000010802 sludge Substances 0.000 title claims abstract description 66
- 238000001035 drying Methods 0.000 title claims abstract description 60
- 238000004064 recycling Methods 0.000 claims abstract description 10
- 230000001172 regenerating effect Effects 0.000 claims description 37
- 239000000463 material Substances 0.000 claims description 31
- 238000009413 insulation Methods 0.000 claims description 27
- 238000009834 vaporization Methods 0.000 claims description 15
- 230000008016 vaporization Effects 0.000 claims description 15
- 238000009833 condensation Methods 0.000 claims description 14
- 230000005494 condensation Effects 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 12
- 238000007599 discharging Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000003507 refrigerant Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009885 systemic effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000010564 aerobic fermentation Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 241000894007 species Species 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of sludge at low temperature heat drying equipment, including vertical heat-insulated cylindrical type drier, vertical heat-insulated cylindrical type drier includes the first Cylinder Shell, feeder and motor are provided with the top of first Cylinder Shell, first Cylinder Shell is internally provided with the rotating shaft being coaxially disposed with the first Cylinder Shell, the upper end of rotating shaft and the motor axis connection of motor, at least one blender is provided with first cylindrical shell body, described blender is included along the first rotating disk that direction is set gradually from top to bottom, first mud-supporting disk, second rotating disk and the second mud-supporting disk, bottom in first cylindrical shell body is provided with air-spreading disk, air-spreading disk side is provided with the blast pipe of connection air-inlet cavity, blast pipe passes the side wall of the first Cylinder Shell and connects dry air blower.The beneficial effects of the invention are as follows：Not only increase the efficiency of sludge drying, while also abundant recycling heat energy, further reach energy-saving purpose, also with floor space it is small the advantages of.
Description
Technical field
The present invention relates to sludge drying technique field, particularly a kind of sludge at low temperature heat drying equipment.
Background technology
According to statistics, by 2010, China's town domestic sewage total emission volumn is about 38,000,000,000 t, dewatered sludge year yield about
9000000 tons.How municipal sludge progress minimizing, innoxious, stabilisation, recycling treatment are become to shoulder heavy responsibilities.Municipal administration
Sludge refers to solid waste caused by city domestic sewage processing procedure, and not only quantity is more for it, and composition is also complicated, viscosity
Height, more determine the degree of difficulty of sludge treatment technique containing heavy metal substance and multiple-microorganism etc., these features.
Desiccation is the important step of the final recycling of sludge.Drying technique common at present mainly includes：Traditional sludge is done
Change, sludge organism desiccation, solar energy sludge drying and sludge heat drying.Traditional sludge desiccation refers to that sludge, which is deposited in outdoor, to be built
If special drying bed, desiccation is carried out to sludge by gravity-flow ventilation and Action of Gravity Field, this mode not only grow by drying time, effect
Rate is low, and is easily influenceed by weather and weather, causes sludge drying processing not thorough.Sludge organism desiccation is a kind of new
The sludge drying technique of type, it is primarily referred to as biological caused by organic matter using being explained during microorganism high-temperature aerobic fermentation
Can, plus certain control measure, and coordinate forced ventilation, promote the evaporative removal of moisture in sludge, so as to realize that sludge is done
Change.Solar energy sludge drying refers to a kind of technology that sludge is dried as thermal source by the use of solar energy, its have operation into
This low advantage, but sludge drying efficiency is low, and floor space is big, is had a great influence by weather and weather.Sludge heat drying is most normal
A kind of desiccation mode seen.It is primarily referred to as, by external heat source, evaporating the moisture in sludge, so as to dewatered sludge.This technology
Not only the small minimizing of floor space is obvious.Many differences are divided into according to heat transfer type apparatus-form drying equipment feeding manner etc.
The drying technique of species, different sludge drying techniques can be selected according to sludge characteristics and actual constituent.
Sludge heat drying is still the major technique of dewatered sludge in market.Sludge heat drying treatment effeciency how is improved, is had
Effect reduces operating cost, and the utilization rate for improving thermal source is to restrict several factors of the technology.Patent CN104743762A is disclosed
A kind of sludge drier.It mainly includes desiccation axle group and the housing being arranged on outside axle group.Rotating shaft is driven to turn by motor
It is dynamic, and then realize sludge drying.Patent CN105016597A discloses a kind of sludge heat drying device, and it is horizontal that it mainly includes frame
The dry mud acceptance division of the main cylinder of desiccation etc..It mainly realizes the purpose of sludge drying by heat smoke.Patent
CN102180578A discloses a kind of sludge drying and incineration system sludge drying machine and sludge drying method.The patent is also mainly
Sludge drying is realized by the method for heat drying.The shortcomings that drying sludge efficiency is low be present in above method.
The content of the invention
The shortcomings that it is an object of the invention to overcome prior art, there is provided a kind of drying efficiency is high, fully recycles heat
The sludge at low temperature heat drying equipment of energy.
The purpose of the present invention is achieved through the following technical solutions：A kind of sludge at low temperature heat drying equipment, including it is vertical every
Hot cylindrical type drier, described vertical heat-insulated cylindrical type drier include the first Cylinder Shell, the first Cylinder Shell
Top is provided with feeder and motor, and the first Cylinder Shell is internally provided with what is be coaxially disposed with the first Cylinder Shell
Rotating shaft, the upper end of rotating shaft and the motor axis connection of motor, the bottom of the first Cylinder Shell are provided with discharging opening, the first cylinder
The top of the side wall of shell body is provided with gas outlet, and at least one blender is provided with the first cylindrical shell body, and described is mixed
Glassware is included along the first rotating disk, the first mud-supporting disk, the second rotating disk and the second mud-supporting disk that direction is set gradually from top to bottom, described
The first rotating disk include being fixedly installed in fixed disc in rotating shaft, the periphery of fixed disc be provided with it is multiple radially extend,
The first blade being uniformly distributed circumferentially, the outward flange of the first described mud-supporting disk pass through multiple connections being uniformly distributed circumferentially
Part is fixedly connected on the inwall of the first Cylinder Shell, and the resigning passed through for rotating shaft is provided with the center of the first mud-supporting disk
Hole, the first blade are stirred to the material on the first mud-supporting disk and make material out of the first mud-supporting disk and the first cylindrical shell body
Dropped downwards between wall, the second described rotating disk is fixedly installed in rotating shaft and radially extended, be circumferentially uniform including multiple
Second blade of distribution, the periphery of described multiple second blades are installed with annular stirring circle, and annular stirring is enclosed cylindrical
The stirrer gear for stirring material is laid with side face, the outward flange of the second described mud-supporting disk is fixedly installed in the first cylindrical type
On the inwall of housing, be provided with the middle part of the second mud-supporting disk passed through for rotating shaft and for material fall material-dropping hole, the second blade and
Stirrer gear is stirred to the material on the second mud-supporting disk, and the bottom in the first described cylindrical shell body is provided with air-spreading disk,
The resigning hole for passing through for rotating shaft and being fallen for material is provided with the middle part of air-spreading disk, air-spreading disk is internally provided with air-inlet cavity, cloth
The upper surface of gas disk is uniformly laid with the venthole of multiple connection air-inlet cavities, and air-spreading disk side is provided with the air intake of connection air-inlet cavity
Pipe, blast pipe pass the side wall of the first Cylinder Shell and connect dry air blower.
The sludge material entered from feeder falls on the first mud-supporting disk and stirred by the first rotating disk, and fixed disc not only rises
To being fixedly installed in rotating shaft to provide installation foundation for the first blade, meanwhile, it also has at the first mud-supporting disk center of capping
The effect of resigning hole, so as to avoid sludge from directly being dropped from the resigning hole, improve drying efficiency.Thing on first mud-supporting disk
Material is fallen to downwards on the second mud-supporting disk under the stirring of the first rotating disk between the first mud-supporting disk and the first Cylinder Shell inwall,
And the material on the second mud-supporting disk is stirred by the second blade and stirrer gear, then under the material-dropping hole of the second mud-supporting disk
Fall, material is during being stirred and falling, with being blasted by drying air blower, being entered by the dry-heat air after air-spreading disk gas distribution
Row heat exchange, reach dry purpose, be sufficiently stirred, dried material is discharged from discharging opening.
Preferably, described feeder bottom is flat component, sludge is evenly arranged in into rotating disk top.
When being provided with two or more blenders in the first cylindrical shell body, described two or more blenders edge is hung down
Nogata is to setting gradually.
Preferably, the upper surface of the second described mud-supporting disk is back taper face of the middle part to lower recess.It is further preferred that
The second described blade from the direction in the outside portion in center along being inclined upwardly, to enable the second blade parallel to the second mud-supporting disk
Upper surface.
Described sludge at low temperature heat drying equipment also includes recycling device for heat, described recycling device for heat
Including coaxial package the second Cylinder Shell outside the first Cylinder Shell, due to the first Cylinder Shell and the second cylinder
Shell body is the closed cylindrical container in both ends, and closed chamber is formed between the first Cylinder Shell and the second Cylinder Shell
Body, described airtight cavity is interior to set five thermal insulation boards being arranged in vertical, and described five thermal insulation boards will be described closed
Cavity is circumferentially divided into blower room, the first regenerative chamber, vaporization chamber, the second regenerative chamber and condensation chamber successively, positioned at air blower
Through hole is not provided with thermal insulation board between room and the first regenerative chamber, through hole is provided with remaining four thermal insulation board, described is dry
Dry air blower is arranged in blower room, the first regenerator of setting in the first regenerative chamber, setting evaporator in vaporization chamber, second time
Second regenerator is set in hot cell, condenser is set in condensation chamber, gas outlet is located in the first regenerative chamber.So as to which air-flow is first
Circulated in cylindrical shell body between the first Cylinder Shell and the second Cylinder Shell, take full advantage of heat energy, avoid
The loss of heat energy.Specifically, damp-heat air is discharged to the first regenerative chamber from exhaust outlet, subsequently into vaporization chamber, enters afterwards
Second regenerative chamber, finally enters condensation chamber.Further, the second described Cylinder Shell is provided with the cold of cooling condensate discharge
Condensate outlet, to discharge excessive moisture.Hot run test enters blower room from condensation chamber, so as to by drying air blower that heat is dry
Wind is discharged into drier, and whole hot air circulation power is by dry air blower.
Further, the outlet of the entrance connection compressor of described condenser, the outlet of the condenser is handed over by heat
The entrance of parallel operation and expansion valve connects, and the outlet of expansion valve and the entrance of evaporator connect, and the outlet of the evaporator passes through heat
Exchanger is connected with the compressor, forms refrigerant circulation.Connected between first regenerator and the second regenerator by circulation pipe
Connect, so that by the heat-conducting medium in the first regenerator, the second regenerator and circulation pipe, by the first regenerator in the first regenerative chamber
The heat of systemic hot and humid gas passes to the drying cryogenic gas in the second regenerative chamber by the second regenerator, low to drying
Wet body is preheated, and so as to reclaim the heat of the hot and humid gas of discharge, improves heat utilization rate.
It is further preferred that the first described regenerator is arranged at the logical of the thermal insulation board between the first regenerative chamber and vaporization chamber
In hole, described evaporator is arranged in the through hole of the thermal insulation board between vaporization chamber and the second regenerative chamber, the second described backheat
Device is arranged in the through hole of the thermal insulation board between the second regenerative chamber and condensation chamber.
Preferably, the first described Cylinder Shell and the second Cylinder Shell are all provided with using heat-insulated material or outer surface
It is equipped with heat insulation structural.
Preferably, described compressor is arranged in blower room, so as to which heat caused by compressor operating is passed through into gas
Stream blasts vertical heat-insulated cylindrical type drier, further improves heat utilization rate.
The present invention has advantages below：
The vertical drier structure of the present invention, the structure design of blender and can the multistage mixer structure set, equal energy
Enough effectively improve drying sludge efficiency.
The setting of the gas pipe of the present invention improves hot blast utilization ratio.
The recycling device for heat of the present invention improves energy utilization rate, and the whole year-on-year treating capacity of sludge dryer is suitable
Equipment, there is the small advantage of floor space.
To sum up, the present invention not only increases the efficiency of sludge drying, while also abundant recycling heat energy, further reaches
Energy-saving purpose, also with floor space it is small the advantages of.
Brief description of the drawings
Fig. 1 is the perspective cross-sectional structural representation of the present invention.
Fig. 2 is the cross section structure diagram of the present invention.
Fig. 3 is the structural representation of the first rotating disk of the present invention.
Fig. 4 is the structural representation of the second rotating disk of the present invention.
Fig. 5 is the structural representation of the air-spreading disk of the present invention.
Fig. 6 is the volume rendering structural representation that the airtight cavity of the present invention is separated by thermal insulation board.
Fig. 7 is the perspective structure perspective diagram that the airtight cavity of the present invention is separated by thermal insulation board.
In figure, 1- motor, 2- feeders, 3- rotating shafts, the rotating disks of 4- first, the mud-supporting disks of 5- first, the rotating disks of 6- second, 7-
Two mud-supporting disks, 8- air-spreading disks, 9- drying air blowers, 10- discharging openings, the Cylinder Shells of 11- first, the Cylinder Shells of 12- second,
13- gas outlets, 14- fixed discs, the blades of 15- first, 16- connectors, the blades of 17- second, 18- annular stirring circles, 19- outlets
Hole, 20- blast pipes, 21- thermal insulation boards, 22- blower rooms, the regenerative chambers of 23- first, 24- vaporization chambers, the regenerative chambers of 25- second, 26-
Condensation chamber, 27- condensed water discharge outlets.
Embodiment
The present invention will be further described below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 2, a kind of sludge at low temperature heat drying equipment, including vertical heat-insulated cylindrical type drier, it is described
Vertical heat-insulated cylindrical type drier includes the first Cylinder Shell 11, and the top of the first Cylinder Shell 11 is provided with feeder 2
With motor 1, the first Cylinder Shell 11 is internally provided with the rotating shaft 3 being coaxially disposed with the first Cylinder Shell 11, rotating shaft 3
Upper end and motor 1 motor axis connection, the bottom of the first Cylinder Shell 11 is provided with discharging opening 10, the first cylindrical shell
The top of the side wall of body 11 is provided with gas outlet 13, and at least one blender is provided with the first Cylinder Shell 11, described
Blender is included along the first rotating disk 4, the first mud-supporting disk 5, the second rotating disk 6 and the second mud-supporting disk that direction is set gradually from top to bottom
7, as shown in figure 3, the first described rotating disk 4 includes the fixed disc 14 being fixedly installed in rotating shaft 3, the periphery of fixed disc 14
Multiple the first blades 15 for radially extending, being uniformly distributed circumferentially are provided with, the outward flange of the first described mud-supporting disk 5 passes through
Multiple connectors 16 being uniformly distributed circumferentially are fixedly connected on the inwall of the first Cylinder Shell 11, the first mud-supporting disk 5
The resigning hole passed through for rotating shaft 3 is provided with center, the first blade 15 is stirred to the material on the first mud-supporting disk 5 and makes thing
Material drops downwards between the first mud-supporting disk 5 and the inwall of the first Cylinder Shell 11, as shown in figure 4, the second described rotating disk 6 wraps
Include multiple the second blades 17 for being fixedly installed in rotating shaft 3 and radially extending, be uniformly distributed circumferentially, described multiple second
The periphery of blade 17 is installed with annular stirring circle 18, is laid with the outer circumference surface of annular stirring circle 18 for stirring material
Stirrer gear, the outward flange of the second described mud-supporting disk 7 is fixedly installed on the inwall of the first Cylinder Shell 11, the second support mud
The middle part of disk 7 is provided with the material-dropping hole for passing through for rotating shaft 3 and being fallen for material, and the second blade 17 and stirrer gear are to the second mud-supporting disk
Material on 7 is stirred, and the bottom in the first described Cylinder Shell 11 is provided with air-spreading disk 8, as shown in figure 5, gas distribution
The middle part of disk 8 is provided with the resigning hole for passing through for rotating shaft 3 and being fallen for material, and air-spreading disk 8 is internally provided with air-inlet cavity, gas distribution
The upper surface of disk 8 is uniformly laid with the venthole 19 of multiple connection air-inlet cavities, and the side of air-spreading disk 8 is provided with entering for connection air-inlet cavity
Airduct 20, blast pipe 20 pass the side wall of the first Cylinder Shell 11 and connect dry air blower 9.
The sludge material entered from feeder 2 falls on the first mud-supporting disk 5 and stirred by the first rotating disk 4, fixed disc 14
Not only act as and be fixedly installed in rotating shaft 3 to provide installation foundation for the first blade 15, meanwhile, it also has the first support mud of capping
The effect of resigning hole, so as to avoid sludge from directly being dropped from the resigning hole, improves drying efficiency at the center of disk 5.First support
Material on mud pan 5 drops downwards under the stirring of the first rotating disk 4 between the first mud-supporting disk 5 and the inwall of the first Cylinder Shell 11
The material on the second mud-supporting disk 7 is stirred to the second mud-supporting disk 7, and by the second blade 17 and stirrer gear, then from
The material-dropping hole of two mud-supporting disks 7 falls, and material is during being stirred and falling, with being blasted, by gas distribution by drying air blower 9
Dry-heat air after the gas distribution of disk 8 carries out heat exchange, reaches dry purpose, is sufficiently stirred, dried material is from discharging opening 10
Discharge.
Preferably, the described bottom of feeder 2 is flat component, sludge is evenly arranged in into rotating disk top.
When being provided with two or more blenders in the first Cylinder Shell 11, described two or more blender edges
Vertical direction is set gradually.
Preferably, the upper surface of the second described mud-supporting disk 7 is back taper face of the middle part to lower recess.Further preferably
, the second described blade 17 is inclined upwardly along from the direction in the outside portion in center, to enable the second blade 17 parallel to
The upper surface of two mud-supporting disks 7.
Described sludge at low temperature heat drying equipment also includes recycling device for heat, described recycling device for heat
Including coaxial package the second Cylinder Shell 12 outside the first Cylinder Shell 11, due to the first Cylinder Shell 11 and
Two Cylinder Shells 12 are the closed cylindrical container in both ends, between the first Cylinder Shell 11 and the second Cylinder Shell 12
Airtight cavity is formed, five thermal insulation boards 21 being arranged in vertical are set in described airtight cavity, as shown in Figure 6, Figure 7,
The airtight cavity is circumferentially divided into blower room 22, the first regenerative chamber 23, evaporation by five described thermal insulation boards 21 successively
Room 24, the second regenerative chamber 25 and condensation chamber 26, do not set on the thermal insulation board 21 between regenerative chamber 23, blower room 22 and first
Through hole to be put, through hole is provided with remaining four thermal insulation board 21, described drying air blower 9 is arranged in blower room 22, the
First regenerator is set in one regenerative chamber 23, evaporator is set in vaporization chamber 24, second regenerator is set in the second regenerative chamber 25,
Condenser is set in condensation chamber 26, and gas outlet 13 is located in the first regenerative chamber 23.So as to which air-flow is in the first Cylinder Shell 11
And first circulate between Cylinder Shell 11 and the second Cylinder Shell 12, heat energy is taken full advantage of, avoids heat energy
Loss.Specifically, damp-heat air is discharged to the first regenerative chamber 23 from exhaust outlet, subsequently into vaporization chamber 24, afterwards into second
Regenerative chamber 25, finally enter condensation chamber 26.Further, the second described Cylinder Shell is provided with the cold of cooling condensate discharge
Condensate outlet 27, to discharge excessive moisture.Hot run test enters blower room 22 from condensation chamber 26, so as to by drying air blower
Hot run test is discharged into drier by 9, and whole hot air circulation power is by dry air blower 9.
Further, the outlet of the entrance connection compressor of described condenser, the outlet of the condenser is handed over by heat
The entrance of parallel operation and expansion valve connects, and the outlet of expansion valve and the entrance of evaporator connect, and the outlet of the evaporator passes through heat
Exchanger is connected with the compressor, forms refrigerant circulation.Connected between first regenerator and the second regenerator by circulation pipe
Connect, so that by the heat-conducting medium in the first regenerator, the second regenerator and circulation pipe, by the first regenerator in the first regenerative chamber
The heat of systemic hot and humid gas passes to the drying cryogenic gas in the second regenerative chamber by the second regenerator, low to drying
Wet body is preheated, and so as to reclaim the heat of the hot and humid gas of discharge, improves heat utilization rate.
It is further preferred that the first described regenerator is arranged at the thermal insulation board between the first regenerative chamber 23 and vaporization chamber 24
In 21 through hole, described evaporator is arranged in the through hole of the thermal insulation board 21 between the regenerative chamber 25 of vaporization chamber 24 and second, institute
The second regenerator stated is arranged in the through hole of the thermal insulation board 21 between the second regenerative chamber 25 and condensation chamber 26.
The position being formed at due to condensed water where evaporator, thus condensed water discharge outlet 27 be arranged at vaporization chamber 24 and/or
In the side wall of second regenerative chamber 25.
Preferably, described compressor is arranged in blower room 22, so as to which heat caused by compressor operating be passed through
Air-flow blasts vertical heat-insulated cylindrical type drier, further improves heat utilization rate.
Preferable the first described Cylinder Shell 11 and the second Cylinder Shell 12 use heat-insulated material or outer surface
It is provided with heat insulation structural.
Claims (9)
- A kind of 1. sludge at low temperature heat drying equipment, it is characterised in that：Including vertical heat-insulated cylindrical type drier, it is described it is vertical every Hot cylindrical type drier includes the first Cylinder Shell (11), and feeder (2) is provided with the top of the first Cylinder Shell (11) With motor (1), the first Cylinder Shell (11) is internally provided with the rotating shaft being coaxially disposed with the first Cylinder Shell (11) (3), the upper end of rotating shaft (3) and the motor axis connection of motor (1), the bottom of the first Cylinder Shell (11) is provided with discharging opening (10), the top of the side wall of the first Cylinder Shell (11) is provided with gas outlet (13), is set in the first Cylinder Shell (11) There is at least one blender, described blender includes edge the first rotating disk (4) that direction is set gradually from top to bottom, the first support mud Disk (5), the second rotating disk (6) and the second mud-supporting disk (7), described the first rotating disk (4) include being fixedly installed in consolidating in rotating shaft (3) Fixed disk (14), the periphery of fixed disc (14) are provided with multiple the first blades for radially extending, being uniformly distributed circumferentially (15), the outward flange of described the first mud-supporting disk (5) is fixedly connected on by multiple connectors (16) being uniformly distributed circumferentially On the inwall of first Cylinder Shell (11), the resigning hole passed through for rotating shaft (3) is provided with the center of the first mud-supporting disk (5), First blade (15) is stirred to the material on the first mud-supporting disk (5) and makes material from the first mud-supporting disk (5) and the first cylinder Dropped downwards between shell body (11) inwall, described the second rotating disk (6) includes multiple be fixedly installed in rotating shaft (3) and along footpath To the second blade (17) for extending, being uniformly distributed circumferentially, the periphery of described multiple second blades (17) is installed with ring Shape stirring circle (18), is laid with stirrer gear for stirring material on the outer circumference surface of annular stirring circle (18), and described second The outward flange of mud-supporting disk (7) is fixedly installed on the inwall of the first Cylinder Shell (11), and the middle part of the second mud-supporting disk (7) is set There is the material-dropping hole for passing through for rotating shaft (3) and being fallen for material, the second blade (17) and stirrer gear are to the thing on the second mud-supporting disk (7) Material is stirred, and the bottom in described the first Cylinder Shell (11) is provided with air-spreading disk (8), and air-spreading disk is set in the middle part of (8) The resigning hole for passing through for rotating shaft (3) and being fallen for material is equipped with, air-spreading disk (8) is internally provided with air-inlet cavity, air-spreading disk (8) Upper surface is uniformly laid with the venthole (19) of multiple connection air-inlet cavities, and air-spreading disk (8) side is provided with entering for connection air-inlet cavity Airduct (20), blast pipe (20) pass the side wall of the first Cylinder Shell (11) and connect dry air blower (9).
- A kind of 2. sludge at low temperature heat drying equipment according to claim 1, it is characterised in that：First Cylinder Shell (11) Two or more blenders are inside provided with, described two or more blenders are vertically set gradually.
- A kind of 3. sludge at low temperature heat drying equipment according to claim 1, it is characterised in that：The second described mud-supporting disk (7) upper surface is back taper face of the middle part to lower recess, described the second blade (17) along from the direction in the outside portion in center to Upper inclination.
- A kind of 4. sludge at low temperature heat drying equipment according to claim 3, it is characterised in that：Described the second blade (17) Edge is inclined upwardly from the direction in the outside portion in center.
- A kind of 5. sludge at low temperature heat drying equipment according to claim 1, it is characterised in that：Also include recycle heat to utilize Device, described recycling device for heat include coaxial package in the second outside cylindrical shell of the first Cylinder Shell (11) Body (12), airtight cavity, described airtight cavity are formed between the first Cylinder Shell (11) and the second Cylinder Shell (12) It is interior setting five thermal insulation boards (21) being arranged in vertical, described five thermal insulation boards (21) by the airtight cavity circumferentially Blower room (22), the first regenerative chamber (23), vaporization chamber (24), the second regenerative chamber (25) and condensation chamber (26) are divided into successively, Through hole is not provided with thermal insulation board (21) between blower room (22) and the first regenerative chamber (23), remaining four thermal insulation board (21) through hole is provided with, described drying air blower (9) is arranged in blower room (22), is set in the first regenerative chamber (23) The first regenerator is put, evaporator is set in vaporization chamber (24), the second regenerator, condensation chamber (26) are set in the second regenerative chamber (25) Interior setting condenser, gas outlet (13) are located in the first regenerative chamber (23).
- A kind of 6. sludge at low temperature heat drying equipment according to claim 5, it is characterised in that：The entrance of described condenser The outlet of compressor is connected, the outlet of the condenser is connected by the entrance of heat exchanger and expansion valve, the outlet of expansion valve Be connected with the entrance of evaporator, the outlet of the evaporator is connected by heat exchanger with the compressor, the first regenerator with Connected between second regenerator by circulation pipe.
- A kind of 7. sludge at low temperature heat drying equipment according to claim 1, it is characterised in that：First Cylinder Shell (11) Heat insulation structural is provided with using heat-insulated material or outer surface with the second Cylinder Shell (12).
- A kind of 8. sludge at low temperature heat drying equipment according to claim 5 or 6, it is characterised in that：The first described backheat Device is arranged in the through hole of the thermal insulation board (21) between the first regenerative chamber (23) and vaporization chamber (24), and described evaporator is arranged at In the through hole of thermal insulation board (21) between vaporization chamber (24) and the second regenerative chamber (25), the second described regenerator is arranged at second In the through hole of thermal insulation board (21) between regenerative chamber (25) and condensation chamber (26).
- A kind of 9. sludge at low temperature heat drying equipment according to claim 6, it is characterised in that：Described compressor is arranged at In blower room (22).
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| CN112078045A (en) * | 2020-08-25 | 2020-12-15 | 浙江百力塑业有限公司 | Stirring device for injection molding machine |
| CN112568310A (en) * | 2020-12-08 | 2021-03-30 | 九江鸿立食品有限公司 | Ginger preserved fruit production device |
| CN114436397A (en) * | 2022-01-14 | 2022-05-06 | 南京大学 | A processing apparatus for high concentration organic, difficult biochemical waste water |
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| CN114436397A (en) * | 2022-01-14 | 2022-05-06 | 南京大学 | A processing apparatus for high concentration organic, difficult biochemical waste water |
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| CN107827334B (en) | 2023-11-17 |
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