CN105621834B - A kind of device for sludge disintegration - Google Patents
A kind of device for sludge disintegration Download PDFInfo
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- CN105621834B CN105621834B CN201610169849.0A CN201610169849A CN105621834B CN 105621834 B CN105621834 B CN 105621834B CN 201610169849 A CN201610169849 A CN 201610169849A CN 105621834 B CN105621834 B CN 105621834B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The present invention relates to a kind of devices for sludge disintegration, including:Subcritical reaction tank group, subcritical reaction tank group are used to carry out high-temperature pressurizing to primary sludge, so that primary sludge is entered subcritical state and cracked to obtain sludge lysate；Heating device, heating device are connected with subcritical reaction tank group, for providing heat for subcritical reaction tank group；Drying machine, drying machine are connected with subcritical reaction tank group, for drying sludge lysate, obtain sludge powder；Pyrolysis installation is fluidized, fluidisation pyrolysis installation is connected with drying machine, for sludge powder to be pyrolyzed, obtains powdered carbon.The present invention passes through setting subcritical reaction tank group and fluidisation pyrolysis installation, subcritical Pintsch process reaction can be first passed through to primary sludge, the sludge powder being dried to obtain is obtained into powdered carbon by fluidisation pyrolytic reaction again, making the biological cell of the overwhelming majority in primary sludge can rupture, long-chain organic molecule chain will be broken, keep the cracking of primary sludge more abundant, charred effect is good, and the time is short.
Description
Technical field
The present invention relates to sludge treatment field, more particularly to a kind of device for sludge disintegration.
Background technique
Existing sludge drying mechanism is directly thermally dried sludge when carrying out drying sludge, obtained drying
Sludge still contains many organic substances or pollutant, is discharged to outdoor and is likely to result in environmental pollution.
Summary of the invention
The technical problem to be solved by the present invention is to insufficient according to prior art, provided a kind of for sludge disintegration
Device.
The technical solution that the present invention solves above-mentioned technical problem is as follows：A kind of device for sludge disintegration, including:
Subcritical reaction tank group, the subcritical reaction tank group are used to carry out high-temperature pressurizing to primary sludge, make original dirt
Mud enters subcritical state and is cracked to obtain sludge lysate；
Heating device, the heating device are connected with the subcritical reaction tank group, for being the subcritical reaction tank
Group provides heat；
Drying machine, the drying machine are connected with the subcritical reaction tank group, for drying sludge lysate, obtain sludge
Powder；
Pyrolysis installation is fluidized, the fluidisation pyrolysis installation is connected with the drying machine, for the sludge powder to be carried out heat
Solution, obtains powdered carbon.
The beneficial effects of the invention are as follows：The present invention, can be to original by setting subcritical reaction tank group and fluidisation pyrolysis installation
Beginning sludge first passes through subcritical Pintsch process reaction, then the sludge powder being dried to obtain is obtained powdered carbon by fluidisation pyrolytic reaction,
Making the biological cell of the overwhelming majority in primary sludge can rupture, and intercellular Interstitial Water and absorption water are released, long-chain
Organic molecule chain will be broken, and keep the cracking of primary sludge more abundant, charred effect is good, and the time is short.
Based on the above technical solution, the present invention can also be improved as follows.
Further, the subcritical reaction tank group includes:
Preheating can group, more are provided in the preheating can group and returns mud pipes, are returned between mud pipe described in more and described time mud
Gap between pipe and the preheating can group inside sidewalls face is formed into mud channel；The both ends of the preheating can group offer respectively
First charging aperture and the first discharge port, the both ends of described time mud pipe offer second charging aperture and the second discharge port respectively, described
Second discharge port is connected with the drying machine；The primary sludge enters in preheating can group from the first charging aperture；
Heating tank group, the heating tank group are connected by pipeline with the heating device, high for carrying out to primary sludge
Temperature pressurization, makes primary sludge enter subcritical state and is cracked to obtain sludge lysate；Is offered in the heating tank group
Three feed inlets and third discharge port, the third feed inlet are connected by pipeline with first discharge port, and the third goes out
Material mouth is connected by pipeline with the second charging aperture.
Beneficial effect using above-mentioned further scheme is：By setting preheating can group and heating tank group, first to original dirt
Mud is preheated, then is heated to it, is improved the thermal cracking efficiency of primary sludge, has been saved the energy；By in preheating can
It is set into mud channel in group and returns mud pipe, is cracked by heating tank group and generates sludge lysate to the primary sludge entered in mud channel
It is preheated, energy conservation and environmental protection, heat utilization is abundant.
Further, the heating tank group includes multiple heating tanks by placed in series, in concatenated heating tank, is located at two
Third feed inlet and third discharge port are offered on the heating tank at end respectively；Release drum is installed on the heating tank, it is described
The third discharge outlet of heating tank is equipped with thermometer；
The heating device includes multiple heat conduction oil tanks and heat-conducting oil furnace；One is coated with outside each described heating tank
Heat conduction oil tank each heating tank and is coated on it there are gap between the heating tank and the heat conduction oil tank for being coated on its outer wall
Gap between the heat conduction oil tank of outer wall is interconnected；The heat-conducting oil furnace is connected by petroleum pipeline with the gap.
Beneficial effect using above-mentioned further scheme is：It is passed through by the gap between heat conduction oil tank and heat-conducting oil furnace
Conduction oil heats heat conduction oil tank, and the outer wall of entire heat conduction oil tank is enveloped, and heats full and uniform；It is unloaded by setting
Drum and thermometer are pressed, is conducive to monitor fluid state and mud extraction temperature in heating tank.
Further, further include:
First storage mud tank, the first storage mud tank includes the 4th feed inlet and the 4th discharge port, and the 4th feed inlet is logical
It crosses total sludge out pipe to be connected with second discharge port, the 4th discharge port is connected with the drying machine；
Cooler, the cooler are arranged on the pipeline between the first storage mud tank and second discharge port or set
It sets in the first storage mud tank；
The bottom of second storage mud tank, the second storage mud tank is equipped with plunger pump, the plunger pump by pipeline with it is described
First charging aperture is connected, and check valve is equipped on the pipeline of the plunger pump two sides, and the second storage mud tank passes through pipeline and institute
Plunger pump is stated to be connected.
Beneficial effect using above-mentioned further scheme is：By setting the first storage mud tank, can be split to by high temperature and pressure
The sludge of solution is collected；By the way that cooler is arranged, effective temperature-reducing processing can be carried out to sludge lysate.
The fluidisation pyrolysis installation includes:
Fluidized reactor, the fluidized reactor are connected with the drying machine, add for carrying out anaerobic fluidisation to sludge powder
Heat obtains powdered carbon；The upper end of the fluidized reactor offers the 5th discharge port；
The bottom of the fluidized reactor is arranged in heater, the heater, mentions for the fluidisation heating for sludge powder
Heating load；
Fluidized air blower, the fluidized air blower are connected by intake stack with the fluidized reactor.
Further, partition and baffle are provided in the fluidized reactor, the partition and baffle are parallel to each other and vertically
It is arranged in the lower section of the 5th discharge port, there are between first between the upper end of the partition and the upper wall of the fluidized reactor
Gap, there are the second gap, the lower end of the baffle and the fluidized reactions between lower end and the bottom wall of the fluidized reactor
There are third spaces between the bottom wall of device.
Beneficial effect using above-mentioned further scheme is：By setting baffle and partition, and opened on baffle and partition
If the first gap, the second gap and third space, after the wind speed of part lowers on fluidized reactor, the dirt that has not been carbonized
Mud powder is entered in the Vertical Channel between partition and baffle by the first gap, then flow back into fluidized reactor bottom continue plus
Heat carbonization, until carbonization is completed.
Further, the fluidisation pyrolysis installation further includes incubation cavity, and the heater is fixed on inside the incubation cavity
On bottom wall；The intake stack pass through the incubation cavity side wall and it is fixed thereto be connected, the intake stack is located at the stream
The one end for changing inside reactor is equipped with multiple gas nozzles, multiple gas nozzles be evenly arranged in the side wall of the fluidized reactor with
Between the partition；The top of the incubation cavity is equipped with exhaust pipe, is equipped with waste-heat recoverer on the exhaust pipe.
Beneficial effect using above-mentioned further scheme is：By the way that incubation cavity is arranged, the heat in fluidized reactor can avoid
Amount is lost, and is arranged between fluidized reactor side wall and partition, can will be flowed by the way that gas nozzle is arranged on intake stack, and by gas nozzle
The wind for changing blower is uniformly blown into fluidized reactor by gas nozzle, ensure that the fluid effect of sludge powder.
Further, the fluidisation pyrolysis installation further includes nitrogen gas generating device, the nitrogen gas generating device and the air inlet
Pipeline is connected.
Beneficial effect using above-mentioned further scheme is：It, can will be in fluidized reactor by the way that nitrogen gas generating device is arranged
Full of nitrogen environment.
Further, the fluidisation pyrolysis installation further includes cyclone separator, and the cyclone separator passes through discharge pipe
Road is connected with the fluidized air blower, and the cyclone separator is connected by ciculation fluidized pipeline with the discharge port.
Further, the cyclone separator includes：
Primary cyclone, the primary cyclone are connected by wind pipe with the discharge port；
High efficiency cyclonic dust collector, the high efficiency cyclonic dust collector upper end pass through ciculation fluidized pipeline and the fluidized air blower phase
Even；
Middle effect cyclone dust collectors, the middle effect cyclone dust collectors are arranged in the primary cyclone and the efficient rotary
Between wind deduster, the middle effect cyclone dust collectors are connected by pipeline with the ciculation fluidized pipeline, the middle effect whirlwind
The bottom of deduster is connected with the bottom of the primary cyclone.
Beneficial effect using above-mentioned further scheme is：By the way that cyclone separator is arranged, be conducive to the big charcoal of partial size
Ciculation fluidized heating of the powder in fluidized reactor, is conducive to effective carbonization of sludge powder.
Further, the fluidisation pyrolysis installation further includes gasifying agent adding set, the gasifying agent adding set with it is described
Waste-heat recoverer is connected；The gasifying agent adding set is equipped with nozzle, and the nozzle passes through the outer wall of the fluidized reactor
And for the gasifying agent in gasifying agent adding set to be sprayed into fluidized reactor.
Detailed description of the invention
Fig. 1 is the attachment structure schematic diagram of the subcritical reaction device of the present embodiment；
Fig. 2 is the attachment structure schematic diagram of the fluidisation pyrolysis installation of the present embodiment；
Fig. 3 is the subcritical reaction device of the present embodiment and the attachment structure schematic diagram of fluidisation pyrolysis installation；
Fig. 4 is the enlarged structure schematic diagram in the portion B in Fig. 1 and Fig. 3.
In attached drawing, parts list represented by the reference numerals are as follows：
1, subcritical reaction tank group；11, preheating can group；111, enter mud channel；112, mud pipe is returned；1121, high-pressure nozzle；
113, total sludge out pipe；114, preheating can；12, heating tank group；121, heating tank；122, release drum；123, thermometer；124, it presses
Power table；2, heating device；21, heat conduction oil tank；22, heat-conducting oil furnace；23, gap；3, the first storage mud tank；31, first gas is discharged
Mouthful；4, cooler；5, the second storage mud tank；51, plunger pump；52, check valve；53, second gas discharge outlet；A, preheating can is transversal
Face structure chart；6, pyrolysis installation is fluidized；61, fluidized reactor；611, partition；6111, the first gap；6112, the second gap；
612, baffle；6121, third space；613, the 5th discharge port；614, the 5th feed inlet；62, heater；63, fluidized air blower；
631, intake stack；632, ciculation fluidized pipeline；64, gas nozzle；65, nitrogen gas generating device；66, cyclone separator；661, just
Grade cyclone separator；662, middle effect cyclone dust collectors；663, efficient cyclone dust separator；664, wind pipe；67, gasifying agent
Adding set；671, nozzle；68, incubation cavity；681, exhaust pipe；69, waste-heat recoverer；7, drying machine.
Specific embodiment
The principle and features of the present invention will be described below with reference to the accompanying drawings, and the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the invention.
As Figure 1-Figure 4, a kind of device for sludge disintegration is present embodiments provided, including：
Subcritical reaction tank group 1, subcritical reaction tank group 1 are used to carry out high-temperature pressurizing to primary sludge, make primary sludge
It is cracked to obtain sludge lysate into subcritical state；
Heating device 2, heating device 2 are connected with subcritical reaction tank group 1, for providing heat for subcritical reaction tank group 1
Amount；
Drying machine 7, drying machine 7 are connected with subcritical reaction tank group 1, for drying sludge lysate, obtain sludge powder；
Pyrolysis installation 6 is fluidized, fluidisation pyrolysis installation 6 is connected with drying machine 7, for sludge powder to be pyrolyzed, obtains charcoal
Powder.
The course of work of the device for sludge disintegration of the present embodiment is：Primary sludge is first passed through into subcritical reaction tank
Group carries out subcritical pyroreaction, obtains sludge lysate, then Pintsch process liquid is dried to obtain sludge powder by drying machine, then
Sludge powder is subjected to high temperature and pressure by fluidisation pyrolysis installation and fluidizes pyrolytic reaction, obtains powdered carbon.The present embodiment is original by making
Sludge is cracked again after entering subcritical state, rupture the biological cell of the overwhelming majority in primary sludge can, iuntercellular
Interstitial Water and absorption water be released, long-chain organic molecule chain will be broken, and solid sludge is liquefied, and makes primary sludge
Cracking it is more abundant, and lytic effect is good, and process is simple.
As shown in figures 1 and 3, the subcritical reaction tank group 1 of the present embodiment includes：
Preheating can group 11, preheating can group 11 is for preheating primary sludge；
Heating tank group 12, heating tank group 12 are connected with preheating can group 11 and heating device 2 respectively by pipeline, for original
Beginning sludge carries out high-temperature pressurizing, so that primary sludge is entered subcritical state and is cracked to obtain sludge lysate.Heating tank and pre-
It is equipped with insulating layer on hot tank group outer wall, when can avoid preheating and heating, heat losses.
As shown in figures 1 and 3, preheating can group 11 is formed by multiple preheating cans 114 by placed in series, and the present embodiment uses
5 preheating cans.In Fig. 1, Fig. 3 and Fig. 4, A is the cross-sectional structure schematic diagram of each preheating can 114 of preheating can group 11；Preheating
It is provided with more in tank group 11 and returns mud pipe 112, more are returned between mud pipe 112 and returned mud pipe 112 and 11 inside sidewalls of preheating can group
Gap between face is formed into mud channel 111；The both ends of preheating can group 11 offer first charging aperture and the first discharge port respectively,
The both ends for returning mud pipe 112 offer second charging aperture and the second discharge port respectively, and the second discharge outlet is connected with high-pressure nozzle
1121, the second discharge port is connected with drying machine 7；Primary sludge enters in preheating can group 11 from first charging aperture.By preheating
It is set into mud channel in tank group and returns mud pipe, the original dirt for generating sludge lysate to entering in mud channel is cracked by heating tank group
Mud is preheated, energy conservation and environmental protection, and heat utilization is abundant.
In Fig. 1 and Fig. 3, third feed inlet and third discharge port are offered in heating tank group 12, third feed inlet passes through pipe
Road is connected with the first discharge port, and third discharge port is connected by pipeline with second charging aperture.
In Fig. 1 and Fig. 3, heating tank group 12 includes multiple heating tanks 121 by placed in series, and the present embodiment uses 5
Heating tank；In concatenated heating tank 121, third feed inlet and third discharging are offered respectively on the heating tank 121 at both ends
Mouthful；Release drum 122 is installed on heating tank 121, pressure gauge 124, the third of heating tank 121 are installed on release drum 122
Discharge outlet is equipped with thermometer 123；
In Fig. 1 and Fig. 3, heating device 2 includes multiple heat conduction oil tanks 21 and heat-conducting oil furnace 22；Outside each heating tank 121
It is coated with a heat conduction oil tank 21, it is each there are gap 23 between heating tank 121 and the heat conduction oil tank 21 for being coated on its outer wall
Gap 23 between heating tank 121 and the heat conduction oil tank 21 for being coated on its outer wall is interconnected；Heat-conducting oil furnace 22 passes through petroleum pipeline
It is connected with gap 23.Conduction oil is passed through by the gap between heat conduction oil tank and heat-conducting oil furnace to add to heat conduction oil tank
Heat envelopes the outer wall of entire heat conduction oil tank, heats full and uniform；By setting release drum and thermometer, be conducive to supervise
Survey the fluid state and mud extraction temperature in heating tank.
As shown in figures 1 and 3, the device for sludge disintegration of the present embodiment further includes the first storage mud tank 3, cooler 4
With the second storage mud tank 5, first gas discharge outlet 31, the 4th feed inlet and the 4th discharge port are offered on the first storage mud tank 3, the 4th
Feed inlet is connected by total sludge out pipe 113 with the second discharge port, and sludge lysate is discharged by the 4th discharge port；
Cooler 4 is arranged on the pipeline between the first storage mud tank 3 and the second discharge port or setting is in the first storage mud tank 3
It is interior；By the way that cooler is arranged, effective temperature-reducing processing can be carried out to sludge lysate；
Second storage mud tank 5 is connected by pipeline with first charging aperture, offers second gas discharge outlet on the second storage mud tank 5
53.The bottom of second storage mud tank 5 is equipped with plunger pump 51, and plunger pump 51 is connected by pipeline with first charging aperture, plunger pump 51
Check valve 52 is installed on the pipeline of two sides.Insulating layer is equipped on 11 outer wall of heating tank 121 and preheating can group.By second
It stores up mud pot bottom and plunger pump is set, and check valve is installed on the pipeline of plunger pump two sides, be conducive to the transmission of primary sludge, it is single
Setting to valve can effectively avoid sludge reflux.
The method that sludge disintegration is carried out using sludge disintegration device provided in this embodiment, specially：By moisture content 70%-
80% primary sludge carries out high-temperature pressurizing, so that primary sludge is entered subcritical state and is cracked to obtain sludge lysate.It is former
The cracking temperature of beginning sludge is 300 DEG C or more, and cracking pressure is 10MPa or more.
The cracking of primary sludge includes preheating and pyrolysis, and warm is the heat using sludge lysate to primary sludge
It is preheated；Pyrolysis is to the primary sludge progress high-temperature pressurizing after preheating；After pyrolyzing sludge liquid preheats primary sludge, temperature
It is down to 80 DEG C or less.
Enter in cooler after pyrolyzing sludge liquid preheating primary sludge and is cooled down and be discharged, pyrolyzing sludge liquid after cooling
Temperature be down to 50 DEG C or less.
The present embodiment makes the exhausted big portion in primary sludge by being cracked again after so that primary sludge is entered subcritical state
The biological cell divided can rupture, and intercellular Interstitial Water and absorption water are released, and long-chain organic molecule chain will be broken, Gu
The sludge of state is liquefied, and keeps the cracking of primary sludge more abundant, and lytic effect is good, and process is simple.
The course of work of the subcritical reaction device of the present embodiment is to first pass through screw pump primary sludge is pumped into the second storage
In mud tank, the primary sludge in mud tank is then stored up for second by plunger pump and enters mud channel by what pipeline was sent to preheating can group
In, the pipeline of plunger pump two sides is equipped with check valve, and the setting of check valve can avoid sludge reflux.The sludge entered in mud channel exists
After being preheated in preheating can, into being heated in heating tank, primary sludge is split under the high temperature and high pressure environment in heating tank
Solution is at sludge lysate, and sludge lysate is entered by time mud pipe preheats primary sludge in preheating can, sludge lysate has preheated
After primary sludge, self heat is down to 80 DEG C hereinafter, spray using the high-pressure nozzle for returning mud pipe, enters the by total sludge out pipe
In one storage mud tank.
As shown in Fig. 2, the fluidisation pyrolysis installation 6 of the present embodiment, including：
Fluidized reactor 61, fluidized reactor 61 are used to carry out sludge powder anaerobic fluidisation heating, obtain powdered carbon；Fluidisation is anti-
Device 61 is answered to be connected with drying machine 7；The upper end of fluidized reactor 61 offers the 5th discharge port 613, offers the 5th on side wall
Feed inlet 614；It is provided with partition 611 and baffle 612 in fluidized reactor 61, partition 611 and baffle 612 are parallel to each other and vertically
It is arranged in the lower section of the discharge port 613, there are the first gaps between the upper end of partition 611 and the upper wall of fluidized reactor 61
6111, there are the second gap 6112, the lower end of baffle 612 and fluidized reactors between lower end and the bottom wall of fluidized reactor 61
There are third spaces 6121 between 61 bottom wall；
Incubation cavity 68, heater 62 are fixed on the bottom wall inside incubation cavity 68；Intake stack 631 passes through incubation cavity 68
Side wall and it is fixed thereto be connected, intake stack 631 be located at one end inside fluidized reactor 61 be equipped with multiple gas nozzles 64, it is multiple
Gas nozzle 64 is evenly arranged between the side wall of fluidized reactor 61 and partition 611；The top of incubation cavity 68 is equipped with exhaust pipe
681, waste-heat recoverer 69 is installed on exhaust pipe 681；
Heater 62, heater 62 use infrared heater；Heater 62 is mounted on the bottom of fluidized reactor 61, uses
Heat is provided in the fluidisation heating for sludge powder；
Fluidized air blower 63, fluidized air blower 63 are connected by intake stack 631 with fluidized reactor 61；
Nitrogen gas generating device 65, nitrogen gas generating device 65 are connected with intake stack 631；
Gasifying agent adding set 67, gasifying agent adding set 67 are connected with waste-heat recoverer 69, gasifying agent adding set 67
It is equipped with nozzle 671, nozzle 671 passes through the outer wall of fluidized reactor 61 and is used for the gasifying agent in gasifying agent adding set 67
It sprays into fluidized reactor 61；The gasifying agent of the present embodiment is vapor, and waste-heat recoverer is used to mention for gasifying agent adding set
Heating load makes the water evaporation in gasifying agent adding set at vapor；
Cyclone separator 66, cyclone separator 66 is connected by wind pipe 664 with fluidized reactor 61, for making
Powdered carbon is separated, and the powdered carbon for keeping partial size big continues to fluidize pyrolysis in fluidized reactor, and the small powdered carbon of partial size is discharged with air-flow；
By the way that cyclone separator is arranged, is conducive to ciculation fluidized heating of the big powdered carbon of partial size in fluidized reactor, is conducive to dirt
Effective carbonization of mud powder.
The partition of the present embodiment can up and down adjustment, the width in adjustable first gap and the second gap；Fluidisation is anti-
After answering the wind speed of part on device to lower, the sludge powder not being carbonized is entered between partition and baffle by the first gap
In Vertical Channel, then flow back into fluidized reactor bottom continue heating carbonization, until carbonization complete；The present embodiment passes through setting
Sludge powder can be carried out fluidisation heating by fluidized reactor, fluidized air blower and heater, and carbonization time is short, and effect is good.
As shown in Fig. 2, the cyclone separator 66 of the present embodiment includes：
Primary cyclone 661, primary cyclone 661 pass through wind pipe 664 and 613 phase of the 5th discharge port
Even；
High efficiency cyclonic dust collector 663,663 upper end of high efficiency cyclonic dust collector pass through ciculation fluidized pipeline 632 and fluidized air blower
63 are connected；
Middle effect cyclone dust collectors 662, middle effect cyclone dust collectors 662 are arranged in primary cyclone 661 and efficient cyclone
Between deduster 663, middle effect cyclone dust collectors 662 are connected by pipeline with ciculation fluidized pipeline 632, middle effect cyclone dust collectors
662 bottom is connected with the bottom of primary cyclone 661.
The method of sludge fluidisation pyrolysis is carried out specifically, using fluidized wind using fluidisation pyrolysis installation provided in this embodiment
The sludge powder of moisture content 10%-20% in fluidized reactor is become fluidized state by machine, after then passing through heater to fluidisation
Sludge powder be pyrolyzed, obtain powdered carbon.
The fluidisation pyrolysis of sludge powder carries out in a nitrogen environment；While the fluidisation pyrolysis of sludge powder, it is added into sludge powder
Steam gasification agent mixes sludge powder uniformly with steam gasification agent, and the fluidisation pyrolysis temperature of sludge powder is 350 DEG C -550
℃。
The present embodiment sludge fluidisation pyrolysis installation the course of work be：It crushes to obtain the transmission of sludge powder pulverizer is passed through
Into fluidized reactor, nitrogen gas generating device is then opened, makes then to open fluidized wind full of nitrogen in entire fluidized reactor
Machine, the gas that fluidized air blower generates are entered in fluidized reactor by gas nozzle, make sludge powder in fluidized state, fluidized reactor bottom
The infrared burner in portion is opened, and is heated to the sludge powder in fluidized reactor, and heating temperature is 350 DEG C -550 DEG C, dirty
Mud powder is carbonized at high temperature, and the charcoal powder particles after carbonization enter primary cyclone, bulky grain warp by ciculation fluidized pipeline
When crossing the first gap, since wind speed lowers, it can enter in the gap between partition and baffle, since the bottom in the gap does not have
Gas nozzle is set, and the powdered carbon of bulky grain has just fallen on the bottom of fluidisation separator, has been carbonized again.And short grained powdered carbon just leads to
It crosses discharge port and enters air-out passage, and then enter in primary cyclone, into after primary cyclone, then sequentially enter
Intermediate cyclone dust collectors and advanced cyclone dust collectors carry out multi-level hierarchical；Intermediate cyclone dust collectors pass through pipeline and fluidized reaction
Device is connected, and for being dusted to fluidized reactor and ciculation fluidized pipeline, advanced cyclone dust collectors pass through ciculation fluidized pipeline
It is connected with fluidized air blower, for being dusted to fluidized air blower and entire ciculation fluidized pipeline.By cyclone separator
Bottom is exported equipped with powdered carbon, and the powdered carbon after separation is by powdered carbon outlet discharge.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all in spirit of the invention and
Within principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of device for sludge disintegration, it is characterised in that, including:
Subcritical reaction tank group (1), the subcritical reaction tank group (1) are used to carry out high-temperature pressurizing to primary sludge, make original
Sludge enters subcritical state and is cracked to obtain sludge lysate；
Heating device (2), the heating device (2) are connected with the subcritical reaction tank group (1), for being described subcritical anti-
Tank group (1) is answered to provide heat；
Drying machine (7), the drying machine (7) are connected with the subcritical reaction tank group (1), for drying sludge lysate, obtain
To sludge powder；
Fluidize pyrolysis installation (6), the fluidisation pyrolysis installation (6) is connected with the drying machine (7), be used for by the sludge powder into
Row pyrolysis, obtains powdered carbon；
The subcritical reaction tank group (1) includes:
Preheating can group (11), the preheating can group (11) is interior to be provided with more times mud pipe (112), goes back to mud pipe (112) described in more
Between and the gap between described time mud pipe (112) and the preheating can group (11) inside sidewalls face formed into mud channel (111)；
The both ends of the preheating can group (11) offer first charging aperture and the first discharge port, the both ends of described go back to mud pipe (112) respectively
Second charging aperture and the second discharge port are offered respectively, and second discharge port is connected with the drying machine (7)；The original dirt
Mud enters in preheating can group (11) from the first charging aperture；Preheating can group (11) outer wall is equipped with insulating layer；
Heating tank group (12), the heating tank group (12) are connected by pipeline with the heating device (2), for primary sludge
High-temperature pressurizing is carried out, so that primary sludge is entered subcritical state and is cracked to obtain sludge lysate；The heating tank group (12)
On offer third feed inlet and third discharge port, the third feed inlet is connected by pipeline with first discharge port,
The third discharge port is connected by pipeline with the second charging aperture.
2. a kind of device for sludge disintegration according to claim 1, it is characterised in that, the heating tank group (12) includes
Multiple heating tanks (121) by placed in series, in concatenated heating tank (121), on the heating tank (121) at both ends respectively
Offer third feed inlet and third discharge port；Release drum (122), the heating tank are installed on the heating tank (121)
(121) third discharge outlet is equipped with thermometer (123)；
The heating device (2) includes multiple heat conduction oil tanks (21) and heat-conducting oil furnace (22)；Each described heating tank (121) is outside
Be coated with a heat conduction oil tank (21), between the heating tank (121) and the heat conduction oil tank (21) for being coated on its outer wall there are
Gap (23), the gap (23) between each heating tank (121) and the heat conduction oil tank (21) for being coated on its outer wall are interconnected；Institute
Heat-conducting oil furnace (22) are stated to be connected by petroleum pipeline with the gap (23).
3. a kind of device for sludge disintegration according to claim 2, it is characterised in that, further include:
First storage mud tank (3), first storage mud tank (3) includes the 4th feed inlet and the 4th discharge port, the 4th feed inlet
It is connected by total sludge out pipe (113) with second discharge port, the 4th discharge port is connected with the drying machine (7)；
Cooler (4), pipeline of cooler (4) setting between first storage mud tank (3) and second discharge port
Upper or setting is in first storage mud tank (3)；
The bottom of second storage mud tank (5), second storage mud tank (5) is equipped with plunger pump (51), and the plunger pump (51) passes through
Pipeline is connected with the first charging aperture, is equipped with check valve (52) on the pipeline of plunger pump (51) two sides, described second
Storage mud tank (5) is connected by pipeline with the plunger pump (51).
4. a kind of device for sludge disintegration according to any one of the claim 1 to 3, it is characterised in that, the fluidisation heat
Solving device (6) includes:
Fluidized reactor (61), the fluidized reactor (61) are connected with the drying machine (7), for carrying out anaerobic to sludge powder
Fluidisation heating, obtains powdered carbon；The upper end of the fluidized reactor offers the 5th discharge port (613)；
Heater (62), the heater (62) are arranged in the bottom of the fluidized reactor (61), for the stream for sludge powder
Change heating and heat is provided；
Fluidized air blower (63), the fluidized air blower (63) are connected by intake stack (631) with the fluidized reactor (61).
5. a kind of device for sludge disintegration according to claim 4, it is characterised in that, in the fluidized reactor (61)
It is provided with partition (611) and baffle (612), the partition (611) and baffle (612) are parallel to each other and are arranged vertically at described
The lower section of five discharge ports (613), there are first between the upper end of the partition (611) and the upper wall of the fluidized reactor (61)
Gap (6111), there are the second gap (6112), the baffles between lower end and the bottom wall of the fluidized reactor (61)
(612) there are third space (6121) between the bottom wall of lower end and the fluidized reactor (61).
6. a kind of device for sludge disintegration according to claim 5, it is characterised in that, the fluidisation pyrolysis installation also wraps
It includes incubation cavity (68), the heater (62) is fixed on the internal bottom wall of the incubation cavity (68)；The intake stack (631)
Across the incubation cavity (68) side wall and it is fixed thereto be connected, the intake stack (631) is located at the fluidized reactor
(61) internal one end is equipped with multiple gas nozzles (64), and multiple gas nozzles (64) are evenly arranged in the fluidized reactor (61)
Side wall and the partition (611) between；The top of the incubation cavity (68) is equipped with exhaust pipe (681), the exhaust pipe
(681) waste-heat recoverer (69) are installed on.
7. a kind of device for sludge disintegration according to claim 6, it is characterised in that, the fluidisation pyrolysis installation also wraps
It includes nitrogen gas generating device (65), the nitrogen gas generating device (65) is connected with the intake stack (631).
8. a kind of device for sludge disintegration according to claim 7, it is characterised in that, the fluidisation pyrolysis installation also wraps
It includes cyclone separator (66), the cyclone separator (66) passes through wind pipe (664) and the fluidized air blower (63) phase
Even, the cyclone separator (66) is connected by ciculation fluidized pipeline (632) with the 5th discharge port (613).
9. a kind of device for sludge disintegration according to claim 8, it is characterised in that, the cyclone separator (66)
Including：
Primary cyclone (661), the primary cyclone (661) are gone out by wind pipe (664) with the described 5th
Material mouth (613) is connected；
High efficiency cyclonic dust collector (663), high efficiency cyclonic dust collector (663) upper end pass through ciculation fluidized pipeline (632) and institute
Fluidized air blower (63) are stated to be connected；
Middle effect cyclone dust collectors (662), the middle effect cyclone dust collectors (662) are arranged in the primary cyclone (661)
Between the high efficiency cyclonic dust collector (663), the middle effect cyclone dust collectors (662) pass through pipeline and the ciculation fluidized pipe
Road (632) is connected, the bottom of middle effect cyclone dust collectors (662) and the bottom phase of the primary cyclone (661)
Connection.
10. a kind of device for sludge disintegration according to claim 9, it is characterised in that, the fluidisation pyrolysis installation is also
Including gasifying agent adding set (67), the gasifying agent adding set (67) is connected with the waste-heat recoverer (69)；The gas
Agent adding set (67) is equipped with nozzle (671), and the nozzle (671) passes through the outer wall and use of the fluidized reactor (61)
It is sprayed into fluidized reactor (61) in by the gasifying agent in gasifying agent adding set (67).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610169849.0A CN105621834B (en) | 2016-03-23 | 2016-03-23 | A kind of device for sludge disintegration |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610169849.0A CN105621834B (en) | 2016-03-23 | 2016-03-23 | A kind of device for sludge disintegration |
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| CN105621834B true CN105621834B (en) | 2018-11-23 |
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| CN110316930A (en) * | 2019-08-01 | 2019-10-11 | 江苏创新环境工程有限公司 | The infrared pyrolysis device of low temperature electric in a kind of composite anti-explosion formula |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0117003A2 (en) * | 1983-02-18 | 1984-08-29 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Fluidised bed combustion apparatus |
| CN1515654A (en) * | 1997-12-18 | 2004-07-28 | 株式会社荏原制作所 | Fuel gasification system |
| CN101004262A (en) * | 2007-01-23 | 2007-07-25 | 南京师范大学 | Horizontal firing method for zonal fluid bed of fluid bed boiler, and zonal fluid bed in horizontal circulate |
| CN103396815A (en) * | 2013-08-05 | 2013-11-20 | 中国科学院城市环境研究所 | Method for preparing carbon materials by use of sludge |
| CN103450922A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Heavy oil thermal conversion and green coke gasification method and combined device |
| CN205398416U (en) * | 2016-03-23 | 2016-07-27 | 誉晟蓝天环境科技（北京）有限公司 | A device for mud decomposes |
-
2016
- 2016-03-23 CN CN201610169849.0A patent/CN105621834B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0117003A2 (en) * | 1983-02-18 | 1984-08-29 | Nederlandse Organisatie voor toegepast-natuurwetenschappelijk onderzoek TNO | Fluidised bed combustion apparatus |
| CN1515654A (en) * | 1997-12-18 | 2004-07-28 | 株式会社荏原制作所 | Fuel gasification system |
| CN101004262A (en) * | 2007-01-23 | 2007-07-25 | 南京师范大学 | Horizontal firing method for zonal fluid bed of fluid bed boiler, and zonal fluid bed in horizontal circulate |
| CN103450922A (en) * | 2012-05-28 | 2013-12-18 | 中国石油天然气股份有限公司 | Heavy oil thermal conversion and green coke gasification method and combined device |
| CN103396815A (en) * | 2013-08-05 | 2013-11-20 | 中国科学院城市环境研究所 | Method for preparing carbon materials by use of sludge |
| CN205398416U (en) * | 2016-03-23 | 2016-07-27 | 誉晟蓝天环境科技（北京）有限公司 | A device for mud decomposes |
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